Anthurium is sick. What causes Anthurium? Why did Anthurium become small leaves and growth stopped

Anthurium is a guest of a distant country with a different climate and requirements for living conditions. Pampered by a long warm period with fairly bright lighting, a light composition of the substrate, and sufficient air humidity, under new conditions, exotics often become the target of diseases and pests. Outwardly, the disease most often manifests itself on the leaves. Therefore, it is very important to correctly determine what got anthurium sick, how to treat leaf diseases. The descriptions, photos and drawings below will help you determine the cause and find the right solution when treating your pet.

What are the diseases of Anthurium and the causes of their occurrence

Violation of sanitary standards

The root cause of the occurrence of diseases is the attitude of the owner to the acquired houseplant. A flower needs time to adapt to new conditions. The plant needs individual monitoring to exclude the presence of infection.

To keep your flowers healthy, it is necessary to isolate all newly acquired indoor plants for 2 weeks from other crops, keep them in quarantine conditions. During this period, healthy plants adapt, continue their growth and development. Patients will show external signs of the disease.

Disease groups

Diseases of indoor plants are divided into 2 groups: non-infectious and infectious.

Noncommunicable diseases are the result of a violation of the content of the flower in conditions that do not meet its requirements. Such diseases do not affect other plants. When the source of the disease is eliminated, they recover without causing damage to other crops.

infectious diseasesand I cause pathogenic infections that necessarily affect other plants. Changing hosts, pathogenic fungi, bacteria and viruses multiply rapidly and in a short time can destroy almost all nearby plants.

Elimination of non-communicable diseases

Non-communicable diseases include: violation of environmental requirements - draft, low temperature, dry air, improperly selected substrate, top dressing, watering, natural aging of the plant.

Problem: Leaves curl all over the plant.

The appearance of the leaves speaks of problems

Cause and solution of the problem:

Improper care of anthurium;

Violated environmental requirements. The plant is located in a draft. Not enough lighting or too bright scorching lighting. Maybe the air is dry, and watering is plentiful. When the requirements are normalized, the flower recovers.

Problem: Anthurium leaves began to turn yellow.

Leaves turn yellow

Cause and remedy

• If the lower leaves gradually turn yellow.

The natural aging of the plant is manifested. It is enough to carefully cut off the old leaves with a disinfected tool. The plant needs rejuvenation. Yellowing leaves can cause disease.

The second cause of yellowing of the leaves are diseases: chlorosis, gray rot

• In a young plant, the leaves turn yellow throughout the plant.

Possibly too bright lighting. It is enough to shade the plant or rearrange it in a less lit place.

yellowing leaves on anthurium

• The green color turns pale, the leaves become yellowish.

Lack of lighting. In the autumn-winter period, additional illumination is necessary.

The leaves of the plant turn pale from lack of light.

Problem: Anthurium leaves dry out

Drying anthurium leaves

Cause and remedy

• Violation of temperature and humidity conditions.

– A draft is a possible cause. Move the plant to another place or eliminate the cause of the draft.

– There may be dry air in the room. It is necessary to install humidifiers, systematically humidify the air without getting drops of moisture on the flowers.

– Insufficient watering. If the soil is dry to the depth of the phalanx of a finger, watering is necessary. In the future, normalize the watering of the plant.

Problem: spots of different colors and diameters appeared on the leaves of the anthurium.

Brown, yellow spots. From an excess of light, anthurium leaves get burned.

Cause and remedy

• Evidence of sunburn. Relocation or shading required. It appears as brown spots randomly located on leaf blades. Move to another place and create the optimal temperature regime.

Problem: young leaves are too large with an unusual pale green color. Leaves take on different colors.

Cause and remedy

• An overabundance of fertilizers, especially nitrogen.
• Violation of the amount and ratio of nutrients in the soil.

Additional watering is needed to flush out excess fertilizer. Adding agrovermiculite to the substrate. Reduce doses or temporarily eliminate top dressing. If the rules for feeding are not violated, a lack of trace elements is likely. Carry out top dressing with a half dose of microelements (buy in a store).

Problem: the tips of the leaves dry out throughout the plant, sometimes the leaf turns completely black.

Cause and remedy

• Perhaps the humidity of the air and soil is greatly reduced;
• roots lack pot space;
• little oxygen is supplied to the roots;
• the soil is overly fertilized, contains an increased amount of calcium.

If the humidity is normalized, but the tips continue to dry, sometimes gradually capturing the entire leaf blade, it is necessary to transplant the anthurium into a new, properly prepared substrate, reduce the doses and reduce the number of top dressings.

Problem: the inflorescence dries and blackens.

Cause and remedy

• The natural flowering period ends;
• Too bright lighting, possible sunburn;
• The flowers got water when spraying;
• The humidity regime of air and soil is disturbed.

Cut off diseased inflorescences with a bract. Shade the plant. Normalize the humidity regime. In the pallet, expanded clay or pebbles should be kept constantly wet. Exclude when spraying and watering the ingress of water on the inflorescence and the bedspread.

Problem: Anthurium leaves lose turgor, wither, but do not fall off.

Cause and remedy

• Too frequent and abundant watering;
• Damage to the root system by fungal rot.

The plant must be urgently transplanted into another disinfected pot or other flower container. Change the soil completely. Rinse the roots in warm water with a weak solution of potassium permanganate. Cut off diseased roots. Dry for 20-30 minutes. Treat with root and land, observing all the rules.

Infectious diseases of anthurium

If all the violations made during the care of the anthurium were corrected, but the flower continues to hurt, and nearby plants began to fall ill, this is clearly an infectious lesion.

Of the infectious diseases, Arturium is most often affected, with most diseases transmitted through the external environment:

• stem and root rot;
• leaf rust;
• anthracnose (powdery mildew present and false);
• fusarium wilt;
• septoria, etc.

When treating houseplants, it is safest to use biofungicides. They do not harm the health of humans, animals and birds. They can be used in tank mixes with bioinsecticides (against pests). Treat plants with a disease at least 2 times a month. For prevention, treatments are carried out once a month, less often if the plants look absolutely healthy.

Stem and root rot

The plant as a whole quickly fades. Depressed dark spots appear on the surface of the roots and near the basal part of the stem, covered with a white or gray dense coating. This plaque is the mycelium of the fungus, which forms asci with spores (small black dots are visible) that infect other plants. The stem is watery, rotten when touched.

Dense gray mold appears on leaves and even (in advanced cases) on inflorescences. Typical for young plants recently transplanted into new containers with fresh substrate.

Causes and treatment

The mycelium of the fungus, growing in the soil, is introduced into the root system. Infection occurs during transplantation into infected, poorly disinfected soil, poorly prepared planting capacity. The cause of the disease may be abundant watering with poor drainage, lack of ventilation.

For treatment, remove the plant from the pot. Replace thoroughly decontaminated substrate and planting container. Examine the plant, cut off all the affected roots and leaves. Wash the roots in potassium permanganate, treat according to the recommendations with biofungicides:

• root;
• planriz;
• phytodoctor;
• phytocide;
• gaupsin.

You can spray the above-ground mass with the same preparations or use biofungicides in tank mixtures:

• trichodermin;
• phytosporin-M;
• hamair;
• Alirin and others.

leaf rust

The causative agent is a group of rust fungi that have the ability to remain viable for a long time on infected plant debris.

rust on anthurium

External manifestation of the disease

Loose orange thickenings are visible on leaf blades and stems. The brown-rusty shade determined the name of the disease. With a strong infection, the leaves and the entire plant dry out and fall off in the shortest possible time.

Causes and treatment

Transfer of spores from other infected plants. The content of plants in conditions of violation of the temperature and humidity regime. Too frequent and abundant spraying. Lack of ventilation. The plant can bend to one side due to damage to the stem.

• To prevent fungal diseases, anthurium leaves are wiped with a 1% solution of Bordeaux mixture on both sides.
• Sick leaves and shoots are torn off and burned.
• For treatment, the same biological products are used as for protection against rot. The diseased plant is sprayed 2 times a month.

You can use chemical fungicides Topaz, Ordan, Acrobat. Be careful. The drugs are poisonous. Spraying should be carried out in a separate room in compliance with personal sanitary protection measures.

Powdery mildew in anthurium

The causative agents of anthracnose or powdery mildew (false and real) are a group of peronospore fungi. The spores of the fungus have an increased ability to survive on plant debris in harsh environmental conditions.

External manifestation of the disease

With a local lesion, a white-grayish pubescence appears on the lower, and then on the upper sides of the leaf, like a slight coating. With severe damage, the plant acquires a chlorotic appearance. The external structure of the plant is disturbed (leaves become smaller, internodes are shortened).

Causes and treatment

The main reason is the increased humidity of the air and the violation of the temperature regime (higher or lower than optimal). When keeping the plant in conditions of low temperatures, refuse spraying. Air humidity and high temperatures can be reduced by ventilation without cooling drafts.

For treatment, wiping the leaf blades with a 1% solution of Bordeaux liquid or a solution of systemic contact chemical fungicides - Acrobat, Topaz, etc. is used.

It is safer to use biofungicides for spraying and incorporation into the soil during irrigation:

• gaupsin;
• trichodermin;
• planriza;
• gamaira;
• pentophage;
• bactophyta;
• pseudobacterin.

The use of biofungicides will provide maximum effect when applied as directed.

Fusarium and Septoria

Fusarium and Septoria wilts infect plants upon contact with infected soil and with air currents saturated with spores. Fungal spores have an increased resistance to high temperatures and some chemicals, which makes it difficult to prevent diseases.

Anthurium - diseases (septoria, chlorosis)

Fusarium damage to a flower Male happiness

Causes and treatment

Failure to comply with the phyto-sanitary regime when buying new plants. Violation of the requirements for plant transplantation. Do not allow the soil coma to dry out with abundant watering.

• Of the chemicals used to treat plants and soil, Vitaros, Fundazol, Acrobat, etc.
• Of the biofungicides, the same tank mixtures are used as for other fungicidal lesions of anthurium.

Dear readers! You got acquainted with the external manifestations of the main non-infectious and infectious diseases of anthurium. Non-communicable diseases, with the normalization of basic environmental requirements and proper care, are curable. Infectious diseases, spreading many times faster, affect nearby growing plants. These are mainly fungal infections, each of which has its own characteristics. With proper diagnosis and protective measures, plants can be saved. But, if the lesion is extensive, it is better to destroy the plant.

The anthurium plant comes from the southern latitudes, therefore it needs special conditions of detention. Its natural habitat is tropical rain forests. He feels great in greenhouses, but home conditions are often unsuitable, and then the flower starts to hurt. Outwardly, this is expressed in the fact that the leaves begin to turn yellow, dry, spots appear on them, the anthurium does not bloom and grows slowly. Sometimes the plant is affected by infections and pests. The cause of anthurium disease is not always easy to determine, and sometimes there are several of them at once.

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Proper care of anthurium at home

Among indoor plants, anthurium is considered quite whimsical. The necessary conditions for keeping anthurium at home are as follows:

• light, loose, slightly acidic soil, freely passing water and air;
• temperature in summer 20-25°C, in winter - not lower than 16;
• constant high air humidity (not lower than 75%);
• bright diffused light without direct sunlight (such conditions are provided when the anthurium is located on the east or west window or at some distance from the south);
• moderate but sufficient watering with soft warm water;
• absence of drafts.

In the conditions of a city apartment, the anthurium needs additional air humidification, soil acidification, regular top dressing, sometimes heating and careful protection from drafts and sudden changes in temperature. Anthurium does not tolerate stagnant water in the soil, this leads to rotting of the roots and the spread of infections. Therefore, he definitely needs a layer of drainage. The water from the pan is drained after watering.

Failure to comply with any of these conditions can lead to a deterioration in the appearance of the plant, disease and even death. What exactly the anthurium suffers from is determined by the appearance of the plant, while comparing the conditions of its maintenance with the required ones.

Problems Caused by Incorrect Content

The causes of anthurium diseases are most often associated with improper conditions of maintenance and care, less often with the attack of pests. Unsuitable conditions lead to the fact that the leaves of anthurium turn yellow, wither, spots appear on them. This not only spoils the appearance, but can also lead to the defeat of anthurium by fungi, bacteria and microbes. Then it will take not just restoration, but the immediate destruction of uninvited guests and the treatment of the flower.

The gradual death of the lower leaves of anthurium should not be considered as a problem or disease. If new healthy leaves appear, the plant grows well and blooms, the reason for wilting is natural aging.

If individual leaves turn yellow and fall off on a healthy anthurium, this does not always indicate a disease.



The leaves on the flower turn yellow, wither, dry

The reasons why the appearance of the plant deteriorates are varied. You can identify them by the nature and speed of propagation of the defect. Anthurium leaves may turn yellow and dry for several reasons at once (insufficient or excessive watering, cold, drafts or low air humidity).

External signs	Cause	Solutions
The leaves turn yellow evenly, the stems are pale and elongated, the plant grows weakly and does not bloom.	lack of lighting	Artificial supplementary lighting so that the daylight hours are at least 12 hours
The leaves turn yellow, the anthurium does not bloom and grows slowly	General nutritional deficiencies	Complex regular feeding
Leaves grow deformed, irregular in shape, dry out	Dry air and soil	Increasing the intensity of watering, humidifying the air
Leaves turn yellow, entirely or in uneven spots, while the veins remain green (chlorosis)	Lack of iron and magnesium in the soil	Top dressing with mineral complex fertilizers
The leaves turn yellow at the tips and along the edges, a dried edge appears	Low temperature, drafts	Moving the anthurium to a suitable place, additional protection from the cold with a warming planter
The tips of the leaves turn yellow, then turn brown	Insufficient air humidity	Air humidification
Blackened leaf tips	Watering with hard water with an excess of calcium	Changing the source of water for irrigation or softening it
The stem rots	Excessive deepening of the plant during the next transplant or excessive watering	Transplanting a plant, reducing watering

In urban apartments, tap water is too hard, this is not suitable for watering anthurium. You can determine the hardness of water using a special indicator (the indicator should be at a pH level of 5.5–6.5) or by household methods. The water is unacceptably hard, if after washing glassware and sanitary ware remains cloudy, lime deposits and flakes regularly accumulate in the kettle.

Uneven yellowing of anthurium leaves indicates a lack of mineral supplements.

Water is softened in several ways. The best option is to pass it through a special filter softener. But even without buying special equipment, the problem can be solved with improvised means:

1. 1. Add a small amount of acid (citric, acetic) to tap water.
2. 2. Freeze water in the refrigerator. A transparent bottle of water is placed in the freezer for several hours. You need to get it when part of the water turns into ice. Unfrozen water is drained, it collects a large amount of salts, and thawed water is used for irrigation.
3. 3. Settle water in a large container, use only the top layer for irrigation. The method is suitable for moderately hard water.
4. 4. Add chopped needles or bark of coniferous trees to the anthurium soil. This simultaneously acidifies the soil and makes it more permeable, which is very beneficial for the plant.
5. 5. Water the anthurium with distilled, melted or rain water. In the latter case, disinfection is desirable, since spores of pest fungi or bacteria can enter the soil when watering.

Air humidity can be increased by regular spraying of plants, wiping the leaves with a damp sponge. To maintain a humid environment, a humidifier, a decorative fountain, or just an open container of water is placed on the windowsill next to the anthurium. The container itself with anthurium can be placed on a wide pallet filled with pebbles, decorative stones or moss. This design not only moisturizes the air, but also decorates the window sill. But it is important to ensure that the water in the pan does not rise above the bottom of the plant pot - this will lead to waterlogging of the soil and rotting of the roots. Humidification is especially important during the heating season, when the heat rising from the battery creates a dry microclimate.



Spots appear on the leaves

Yellow speckled spots appear on anthurium leaves due to watering errors.

It happens that the leaves of anthurium turn yellow and do not dry completely, spots of various colors, sizes and shapes appear on them. Their appearance will help determine the reason why the flower suffers:

1. 1. Black and dark brown spots - excessive watering or excessive accumulation of moisture on the leaves.
2. 2. Pale, light points and spots - watering with hard water, excessive watering.
3. 3. Brown dry spots, holes on the leaves - hypothermia of the root system due to cold air, drafts, watering with cold water.
4. 4. Yellow dry spots, dried patches, twisted leaves - sunburn. It is easy to determine: spots appear only in places where bright sunlight has hit, especially if there was moisture on them. In this case, water droplets work like a magnifying glass - the sun's rays act more intensely.
5. 5. Black or dark dots that increase to a spot, and then spread to the entire sheet - low temperature.
6. 6. Yellow, brown spots on leaves with clear boundaries that increase in size and appear on neighboring leaves - infectious diseases such as anthracnose or septoria.

It is important to recognize in time whether defects are caused by improper care or infection. In the first case, the improvement of conditions will immediately change the situation: the spots will stop increasing in size, although the damaged areas will not recover. In case of an infectious disease, a change of scenery will not be effective, it is urgent to isolate the diseased plant and begin its treatment.

Root system diseases

Signs of trouble in the root system of anthurium do not appear immediately. But sooner or later they are reflected in the appearance of the plant. The flower becomes sluggish, the leaves turn yellow and die, the neck turns brown, mold may appear in the pot. If there is reason to suspect that the root system is out of order, the plant is taken out of the pot and carefully checked for its condition. The roots of a healthy anthurium are thick, even along the entire length, light beige in color. Rot, an unpleasant smell, darkening or drying of the roots, growths on them - all this indicates a disease.

Anthurium roots may suffer due to improper plant maintenance. Errors include improper watering, unsuitable soil and too low a temperature. For anthurium, both insufficient and excessive watering is harmful. If the flower suffers from a lack of moisture, the roots begin to dry and die off, they can no longer nourish the aerial part of the plant, and the anthurium begins to wither. Cold is especially dangerous for anthurium, combined with stagnation of water in the container. In a flooded plant, the roots begin to rot, infectious diseases occur, such as late blight and root rot.

The root system of anthurium suffers from unsuitable soil. If the earth is too heavy, does not allow air to pass through, the roots begin to rot. The soil should be loose, dry well, and a drainage layer must be made at the bottom.

If the cause of anthurium disease is in the root system, it is cleaned of soil, washed thoroughly and dried. Then the damaged areas are cut off, the sections are sprinkled with crushed coal and the plant is planted in a container with light soil. For better recovery, the roots are powdered with Kornevin. The first two weeks after transplantation, the flower is not fed, and spraying with immunostimulants ("Epin", "Zircon") will come in handy. At this stage, the elimination of the consequences of incorrect content ends. If the roots are severely affected by rot, then treatment with fungicides in several stages will be required.

Fungal diseases of anthurium, methods of their treatment

If the conditions of keeping anthurium are far from natural, the plant's immunity drops, it becomes susceptible to damage by microbes, bacteria and spores of harmful fungi. Plants can also get sick with good care, when a large number of harmful microorganisms enter the soil, with which the plant simply cannot cope on its own. Many of them develop well in a humid, warm and slightly acidic environment, which is exactly what Anthurium needs. Pathogens die in alkaline, calcareous soil, and it is contraindicated for anthurium. Therefore, the defeat of this plant by infections is far from a rare nuisance.

Any plant recently brought into the house must be kept in quarantine for about two weeks, away from other flowers, and preferably even in a separate room. If it has been infected with an infection or pests, this will help protect the rest of the flowers from diseases.

Home anthurium most often suffers from anthracnose, septoria, fusarium, rust and powdery mildew. These diseases are quickly reflected in the appearance of the flower. As soon as the first signs appear, the plant must be urgently isolated so that the infection does not spread to the neighbors on the windowsill, and begin treatment. If a neglected disease cannot be defeated, the plant is thrown away, and the pot is disinfected.

Infectious diseases to which anthurium is sensitive often damage wild and garden plants. If a flower spends the summer outdoors outside the city, it is important to ensure that the surrounding plants are healthy. For prevention, it is desirable to regularly treat anthurium with fungicides.

Anthracnose

Anthracnose - infection of a plant with spores of the fungi Kabatiella, Colletotrichum and Gloeosporium. They spread through the air, are brought into the house with other plants or soil. Insect pests also act as carriers of this group of fungi. The fungus itself begins to actively develop in a humid environment and can easily infect other house flowers. The main risk factors for infection for domestic anthurium are: temperature above 25 ° C, too much humidity, lack of nutrients, low acidity of the soil.

With this disease, black or dark dots appear on the leaves of the anthurium, which multiply and grow into spots, first yellow, and then brown. The leaf becomes thinner and becomes brittle, dries and dies. The infection spreads rapidly, spreading to neighboring leaves. If the disease is not treated, the plant will die.

A sign of anthracnose is the appearance of focal spots with a black dot in the middle.

At the first sign of anthracnose, the plant must be isolated, all affected leaves removed, the flower washed under a tap and transplanted into soil etched with potassium permanganate. After that, you can start processing fungicides. The most effective of them are those containing copper oxychloride or copper sulfate. Suitable finished preparations are Bordeaux mixture, Previkur, Fitosporin, Acrobat MC, Fundazol and the like.

The treatment is done in two or three stages with an interval of 7-9 days, depending on the drug used. It is important to follow the manufacturer's instructions, as a single exposure may not work - the spores will survive, and under favorable circumstances, the fungus will begin to develop again. Thus, the destruction of the fungus will take from two weeks to a month. At this time, the air temperature is maintained no higher than 20 ° C, watering and spraying of anthurium are reduced - mushrooms will die faster in a dry and cool environment.

The pot of the infected plant is disinfected. The spores of the fungus die at high temperatures, so the clay pot is calcined in the oven, and the plastic ones are thrown away; they will not withstand high temperatures. But freezing as a disinfectant does not make sense, fungal spores can withstand sub-zero temperatures for a long time.

Septoria

An external sign of septoria is the appearance of spots on the leaves with a yellow border.

Septoria is caused by fungi of the genus Septoria. It spreads mainly through other plants or is brought into the house along with the soil.

External signs of septoria in anthurium are the appearance on the leaves of brown, brown, grayish spots with a yellow border. The spots increase in size, begin to spread to neighboring leaves. The disease develops especially actively at high humidity and room temperature.

Since septoria, like anthracnose, is a fungal infection, the treatment will be similar. The plant is isolated, the affected areas are removed and treated in several steps with a copper-containing fungicide.

Fusarium

Fusarium is also called Fusarium or dry rot. Its pathogens are fungi of the genus Fusarium. The spores are dispersed by the wind, and for quite a long time they are able to withstand the absence of moisture and low temperatures. They can get into home anthurium from other plants, through the soil, when watering, if rainwater is used for it without disinfection. The spread of the fungus is facilitated by high temperatures, stagnation of moisture in the ground and close proximity to infected plants.

Outwardly, the signs of fusarium do not appear immediately. The fungus develops underground and primarily affects the root system. The roots darken, reddish-brown spots with a bloom appear on them, they begin to rot. Further, the vessels of anthurium are affected, moisture and nutrients gradually cease to flow to the leaves. If the disease develops, the leaves of the anthurium begin to evenly turn yellow and fall off, the plant becomes lethargic. The base of the stem darkens, it can no longer support the entire mass of foliage, and the plant leans to the side. Near the ground on the stem, you can see a grayish coating.

The fight against fusarium combines spraying the aerial part of the plant with a fungicide and treating the root system. For processing, drugs such as Fitosporin-M, Vitaros, Baktofit, Trichodermin, and other compounds containing copper compounds are suitable. The earth is disinfected with a solution of potassium permanganate and boric acid. Alkaline formulations are not suitable for fighting anthurium disease. If the roots of the plant can no longer be saved, you can try to save the upper part of the plant by cutting and rooting it.

Rust

Rust is a disease caused by the fungus Puccinia anthirrhini. With it, spots appear on the underside of the leaf, then thickenings, rusty-colored pads form, in which spores ripen and crumble from there in the form of a powder. From above, the leaf is covered with yellow and brown spots, dries up and dies. Provokes the development of the disease low temperature and excessive humidity.

The first manifestations of rust are dark patchy spots on the underside of the anthurium leaf.

A diseased plant is treated with fungicides, the most suitable of which are Topaz, Ordan. It is advisable to burn damaged leaves - the disease is actively transmitted through plant debris.

Downy mildew (downy mildew)

Downy mildew manifests itself as yellow and brown dry spots on the upper side of the leaf. The leaf is deformed, wrinkled, eventually dries up and dies. On the underside, patches of gray plaque form, which constantly grow. The disease passes to the stem, it cracks and becomes covered with spots, the plant is bent. The infection spreads through other plants, most house flowers are very susceptible to it. Its causative agent is fungi from the class Oomycetes. Risk factors for anthurium - high humidity in a cold environment, a sharp change in temperature. This often occurs in autumn and spring when hot days alternate with cold nights.

A good prevention of fungal diseases of anthurium is the reduction of spraying during the cold season. In winter, the air is moistened delicately, trying to avoid an excess of moisture. It is better to put an open container of water next to the flower.

The infected plant is immediately isolated and treated. Against downy mildew, the Vectra and Topaz preparations have proven themselves well. Spraying the leaves with a weak solution of antibiotics (penicillin or streptomycin) will have an additional effect.

Anthurium pests

Pests appear on the flower from the outside - from other plants, sometimes an already infected anthurium is brought into the house, simply without external signs of damage. Unlike fungal diseases, insect pests are much easier to detect. Anthurium is most often affected by such pests:

The appearance of pests on anthurium is visible to the naked eye.

Pest control begins with their removal. Insects are removed with a brush, toothbrush or cotton swab. The shield is carefully picked up with a needle so as not to damage the plant. Anthurium is thoroughly washed with soapy water, to which you can add chopped onion or garlic. The solution should not be a strong concentration - an alkaline environment is unfavorable for anthurium. Sometimes this washing is enough. But sometimes pests go unnoticed or have time to lay eggs. To consolidate the result, insecticide preparations are used or folk remedies are used.

Modern industrial insecticides have a wide spectrum of activity and are used against many types of insect pests. These drugs include Aktara, Fitoverm, Biotlin and others. When working with chemicals use rubber gloves - all insecticides are poisonous and can irritate the skin. After a day, the plant is washed with clean water. One treatment may not be enough, after a week the trunk and leaves of the anthurium are examined for signs of vital activity of pests. If there is suspicion, it is better to repeat the treatment. All this time, the sick anthurium is kept in quarantine so as not to infect other house plants.

As folk remedies in pest control, rubbing the plant with alcohol, calendula tincture, tobacco infusion or garlic decoction is used. The principle of operation is the same as with purchased insecticides. In this case, you should not take precautions so carefully, but the result may not be as effective.

To reduce the risk of diseases, you must comply with the conditions for keeping anthurium. But it's important not to overdo it. Too high temperature and high humidity will not only weaken the plant, but will also contribute to the development of fungal or bacterial diseases.

Healthy and well-groomed indoor flowers always please with their appearance, but even minor mistakes in caring for plants can lead to the development of fungal and other diseases. In this article, we will try to understand in detail where anthurium diseases come from.

Often, improper care can provoke diseases of a houseplant.

Anthurium is a houseplant of the Aroid family, a close relative of monstera, dieffenbachia, spathiphyllum and zamiokulkas. In room culture, Anthurium Andre and Scherzer are grown more often than other species.

Usually these spectacular plants grow well, they adapt perfectly to the conditions of the rooms, but sometimes, for no apparent reason, the plants begin to hurt. It is impossible to say that this is nonsense - after all, anthuriums, deprived of their usual living conditions, are stressed, like other indoor plants, so it is very important to strictly observe the requirements of agricultural technology when growing home flowers.

Under what conditions does anthurium feel great?

Lighting

The flamingo flower requires bright diffused lighting, so the plant does not feel the best on the southern and northern windows. The bright sun burns the leaves, it is too dark on the northern windowsill for the formation of buds.

Temperature

In summer, the suitable temperature for anthuriums is from +20 to +28C. With the onset of autumn, flowers are kept at a lower temperature. During this period, about + 15-16 ° C is enough for plants, and for Scherzer's anthurium, a cooler maintenance regime is established - flower buds are laid only when the room temperature drops to + 12-16 ° C.

From mid-January, the temperature of the plant content is gradually increased, bringing it up to + 20-22C.

Air humidity

Leaf tips can dry out for many reasons.

Anthuriums are inhabitants of the tropics, so they are accustomed to high humidity. In room conditions, plants are adversely affected by dry air and drafts. Plants require additional care: daily spraying with warm soft water, placing aerial roots in moistened moss, bathing in the shower, humidifying the air in the room where exotics grow.

In winter, when the central heating is on, the air in the rooms becomes very dry. To make anthuriums feel good, it is worth supplying radiators with air humidifiers. Pots with indoor anthuriums can be placed on a large pallet with wet expanded clay. It is useful to moisten the air around the flowers several times a day from a spray bottle, trying not to get water on the flowers.

Watering

Anthurium loves high humidity, but disappears very quickly if the soil in the pot is waterlogged. Between waterings, it is useful to dry the substrate by about ½ of the volume of the pot. Water for irrigation is well defended, it is even better to water the anthurium with water from the filter. During the formation of flower buds, watering is reduced.

top dressing

Anthuriums - flower diseases are associated with improper care. An overdose of fertilizers is one of the possible mistakes of flower growers who have forgotten that the plant does not tolerate a high concentration of minerals.

Fertilize the plant during the period of active growth about 1 time per month, while the nutrient solution for feeding is prepared in half the concentration. It is best to use special fertilizers for Aroid plants to feed plants.

The soil

Too heavy soil in an anthurium pot can also cause plant disease. The ideal soil for planting anthuriums should have a slightly acidic reaction (pH 5-6). The soil should not cake and compact - in such a substrate, the roots are strongly compressed. The best soil composition for growing anthurium:

• Peat - 2 hours
• Finely chopped sphagnum moss - 2 tsp
• Leafy earth - 1 tsp.
• Pine bark or coconut fiber - 1 tsp.

Unbalanced soil and other errors in the maintenance of anthurium can cause stress and disease of the plant.

How to determine the cause

Yellow and dry spots on the leaves are a sign of a developing disease.

It is conditionally possible to divide the diseases of indoor anthuriums in this way:

1. Failure to comply with agricultural practices for the content of the flower.
2. Diseases caused by infections.
3. Damage caused by insects.

Let's consider each item in more detail.

Non-compliance with the rules of agricultural technology

Leaves turn yellow and dry on plants that are kept in improper conditions.

These non-communicable diseases can greatly undermine the health of a houseplant, and they arise only from improper care.

1. Flowers do not appear for a long time - thus, the plant signals problems in care. In order for the buds to appear on the anthurium, the plant must be kept at a temperature of at least 18C, in the complete absence of drafts, and the flower must also be protected from scorching sunlight. The soil should easily pass water, a drainage layer is required in the pot. Treatment: adjust the conditions of detention, feed the plant with mineral fertilizers.
2. Dry leaves - due to insufficient watering and low room temperature, the leaves can really dry out. Plants must be periodically examined to find out the causes of diseases, sometimes such symptoms are characteristic of the manifestation of infections, which requires some treatment. Treatment for noninfectious causes: streamline pet care.
3. Chlorosis - yellowing of anthurium leaves indicates unbalanced watering with hard chlorinated water, untimely (or excessive) fertilization, draft, lack of drainage, long-term maintenance of a pot with a plant in a pan with water. Treatment: normalize the mode of keeping the flower in room conditions.
4. The appearance of dry spots on the leaves - this is possible with the content of anthurium on a sunny window. Burns on the leaves of the flower are not treated.
5. Smallpox vegetable is characterized by the appearance of swollen areas on the leaves, the disease begins with the wrong content of the plant (strong cooling, a significant drop in temperature, high humidity). Treatment: streamline care.
6. Enation - with this little-studied disease, deformation of the leaves of anthurium occurs. Treatment: normalize plant care.

Diseases caused by infections

Infectious diseases are the most dangerous.

Septoria

The disease is caused by the fungus Septoria, which spreads rapidly in warm and humid environments. Brown spots with a characteristic yellow rim appear on the leaves of the flower. Gradually, the leaf dries up, and the spores infect other parts of the plant.

Treatment: treatment with copper-containing fungicides. The soil is treated with Abiga-Peak.

Anthracosis

It is characterized by the appearance on the leaves of anthurium of dried brown spots with black dots (spores), the diameter of which can be from 2 to 12 mm. The disease progresses at high humidity and temperatures from +23 to 27C, these are just the conditions that are vital for an indoor flower. The disease is caused by the fungus Colletotrichum orbiculare.

Treatment: Anthurium treatment with Previkur, Fitosporin, Abiga-Peak, Acrobat MC, Fundazol, Ridomil Gold MC, Skor, be sure to follow the instructions for use. Feed with phosphorus-potassium fertilizers.

Fusarium wilt

The leaves on the plant turn yellow and wither en masse, a white-pink coating appears on the root neck. When watering, the infection of parts of the plant only increases. The spread of infection is facilitated by high temperature and humidity.

Treatment: repeated treatments with fungicides.

Rust

On the underside of the leaves, characteristic rusty rashes appear, the upper part of the leaf brightens in the area of ​​​​infection. The spots quickly merge, covering the entire leaf, which eventually dries out.

powdery mildew

At the flower, the leaves turn yellow and become smaller, the internodes become shorter, and on the underside of the leaf blade, spores are clearly visible, similar to a powdery coating. The leaves soon dry up and fall off.

Treatment: application of systemic fungicides.

Bronzing virus

Carried by thrips. Symptoms of the manifestation of the disease: partial discoloration of the leaves, the appearance of wrinkles and small holes on the leaf blades.

Anthurium diseases caused by viruses are not treated, the plant is destroyed.

Damage caused by insects

This is what the shield looks like.

Pests that can settle on the leaves and stems of a flower are very weakening indoor anthurium: scale insects, spider mites and mealybugs. By sucking the juices of the plant, these pests can provoke the development of diseases on a weakened flower.

Treatment: application of systemic insecticides.

Anthurium is a beautiful tropical plant that can be a great decoration for any home. For all its external attractiveness, this flower is quite capricious, and a violation of the rules of care can cause yellowing of the leaves or the occurrence of viral and fungal diseases.

In order to prevent the development of anthurium diseases, you need to learn how to correctly identify pathologies and treat them. This article will help you with this: it describes in detail the main diseases of the flower, as well as tips to help cure the plant.

Diseases of the leaves of the Anthurium flower

A healthy anthurium is amazingly beautiful. But under certain conditions, its appearance can change dramatically. A change in the color or structure of the leaves can provoke improper care, exposure to pests or pathogens.

All the reasons that can provoke yellowing, blackening or drying out are usually divided into infectious and non-infectious. The first occurs when the plant is affected by fungi or viruses. The second group of factors is provoked by the owner himself, who could inadvertently violate the rules for caring for a flower.

Since the determination of the method of treatment directly depends on the establishment of the cause of the disease, we will consider each group of factors in more detail.

Noncommunicable diseases

Improper care most often causes leaf diseases in anthurium. Since this flower is found in nature in the tropics, at home it should be provided with conditions similar to the tropical climate.

In addition, in case of violation of agricultural technology, the plant weakens as a whole, and becomes more susceptible to pests and diseases. Therefore, before starting treatment, the culture care schedule should be reviewed. It is possible that it was the non-compliance with the basic recommendations for growing that caused the pathology (Figure 1).

temperature violation

Anthurium is very sensitive to temperature conditions, and if it is not observed, above-ground plants may begin to turn yellow. It is important to remember that in the summer, + 20 + 28 degrees is considered a comfortable temperature for a flower. In winter, this figure is reduced to + 15 + 16.

Figure 1. Yellowing of the leaves in case of violation of the temperature regime, dry air, aging of the culture and improperly selected substrate

Any significant deviation from these indicators can not only provoke yellowing of the leaves, but also cause a lack of flowering. In addition, you should not put the pot with anthurium in a draft, as this culture is very sensitive to cold air currents. Yellowing can also appear in summer if the plant is exposed to direct sunlight for a long time. This process is called leaf burn, and to eliminate it, it is enough to rearrange the flower to another place where the sunlight will be diffused. If this cannot be done, it is enough to lightly shade the plant.

dry air

As mentioned above, under natural conditions, anthurium grows in the tropics, so high humidity is considered habitual for it.

Note: In winter, when the heaters are turned on, the air in the room becomes too dry for the anthurium, and its leaves may begin to turn yellow.

To provide the plant with the required level of humidity, it is necessary not only to develop an optimal irrigation schedule, but also to regularly spray the leaves with settled water at room temperature. In addition, from time to time it is necessary to arrange a warm shower for the plant, and if the roots of the culture begin to protrude above the soil surface, they must be covered with wet sphagnum moss.

plant age

Yellowing of the leaves can also be provoked by an absolutely natural cause - the aging of the plant. In this case, the lower tiers of the leaves of the culture begin to gradually turn yellow and die. This is a completely natural phenomenon of leaf cover renewal, which does not require any treatment.

However, if you notice that not only the lower, but also the upper leaves turn yellow, or uncharacteristic spots and stripes appear on them, you should take action, since such a process is provoked by a fungal or viral disease.

The wrong substrate

Improperly selected soil for growing anthurium can also cause yellowing of the leaves. No matter how strange it may sound, but too fertile soil is not very suitable for anthurium. Quality soil for a flower should be loose and light.

But most often, leaf problems are not caused by the composition of the substrate, but by its density and lack of drainage. In this case, moisture begins to stagnate at the roots. They gradually begin to rot and do not provide the leaves with the necessary amount of nutrients. As a result, they turn yellow, and if measures are not taken in time, the plant may die.

A good substrate for anthurium should consist of hardwood, peat and sand, and a drainage layer must be laid on the bottom of the pot to remove moisture. Without these conditions, every watering will pose a risk to the crop.

Infectious diseases

This group of diseases is provoked by viruses or fungi, but is inextricably linked with the previous paragraphs. The fact is that if the anthurium is not properly cared for and the plant is weakened, it will be more susceptible to the effects of diseases or pests.

Consider the symptoms of the most common infectious diseases of anthurium so that you can independently determine possible problems with the flower.

Septoria

This disease is of fungal origin, and fungal spores spread very quickly in heat and moisture. If it is too hot in the room where the anthurium grows, and the plant itself is watered too intensively, after a while the first signs of fungal pathology may appear on the leaves - brown spots with a specific brown rim (Figure 2).

Figure 2. Signs of septoria

The affected leaf gradually dries up, but the spores of the fungus continue to spread through the air and can infect not only the anthurium itself, but also other plants in the house. To cope with the disease, you need to remove and burn all affected parts of the plant. Next, the aerial parts of the culture are treated with fungicides containing copper. The soil should also be cultivated. For this, the drug Abiga-Peak is used.

Rust

This is one of the most common diseases that occurs not only on indoor flowers, but also on plants that are grown in open ground.

Figure 3. Symptoms of rust on leaves

A characteristic symptom of the disease is a characteristic rusty coating on the lower part of the leaves (Figure 3). The upper part begins to gradually lighten and turn yellow. Over time, the rusty spots completely merge and the leaves dry out. You need to start saving the flower after the first symptoms are detected. In this case, it is necessary to spray the flower with systemic fungicides, after removing the affected parts.

powdery mildew

This disease is also provoked by a fungus and occurs if the room is too hot, and moisture stagnates in a pot with anthurium. It is noteworthy that powdery mildew can spread rapidly, so the fight against it should begin after the first signs are detected.

Distinguishing powdery mildew from other diseases is quite simple: a characteristic powdery coating appears on the leaves. At the same time, the leaf plates themselves begin to deform, decrease in size and gradually dry out.

As with other fungal diseases, powdery mildew should be treated with systemic fungicides. However, it should be borne in mind that this disease develops very quickly, so treatment cannot be postponed.

Virus bronze

Unlike previous diseases, which are most often triggered by improper growing conditions for anthurium, the bronze virus is carried by thrips pests.

This disease also has characteristic symptoms: the leaves begin to gradually discolor, become covered with wrinkles and small holes. You should not wait until the symptoms become more pronounced before starting treatment. Unfortunately, there are no effective methods to combat the bronze virus, so the affected plant must be destroyed along with the soil as soon as possible so that it does not become a source of infection for other crops in the house.

Anthracnose

This disease also applies to fungal infections. It is manifested by the formation of brown spots with black dots on the leaves, which contain spores of the fungus (Figure 4).

Figure 4. Plant damage by anthracnose

It is noteworthy that the fungus develops at high humidity and a temperature of + 23 + 27 degrees, which is comfortable for anthurium. Therefore, when growing such a flower, you need to carefully monitor that moisture does not stagnate in the soil.

To eliminate the disease, it is necessary to carry out a therapeutic treatment with fungicides, strictly observing the dosage indicated in the instructions, and then carry out an extraordinary top dressing with potassium-phosphorus fertilizers.

Fusarium wilt

This disease is accompanied by massive yellowing and wilting of the leaves (Figure 5). Another characteristic feature is the formation of a white-pink bloom on the root collar. As with other anthurium diseases, increased temperature and humidity contribute to the spread of pathology.

Figure 5. Signs of Fusarium wilt

To eliminate Fusarium wilt, fungicide treatment should be carried out, and spraying is carried out several times at two-week intervals in order to completely destroy the pathogen.

Insect harm

Anthurium can become a victim of pests, and in most cases it is inhabited by insects common to indoor crops. These include thrips, scale insects, aphids and spider mites.

The danger of pests is not only that they feed on the sap of the plant and spoil its appearance, but also that such an impact significantly weakens the culture, making it more susceptible to diseases.

The video discusses the main factors that can cause yellowing of the leaves, as well as the main ways to solve this problem.