2024 Author: Beatrice Philips | [email protected]. Last modified: 2023-12-16 05:33
It has long been known about the miraculous properties of aloe. This plant has anti-inflammatory, hemostatic, bactericidal properties. It is not difficult to grow aloe on the windowsill, it is a rather picky culture, however, errors in the content can lead to unpleasant consequences for the plant or even to its death. Diseases or pests can be the cause.
Symptoms
Most often, deterioration is associated with decay. Most diseases affect the roots of the plant, the root system begins to rot, and at an early stage the process is invisible.
If the grower has a suspicion of the formation of a putrefactive process, it is necessary to remove the culture from the pot and examine the roots.
Also, a symptom of the onset of the disease is the cessation of growth or its slowdown. Old leaves dry out, the trunk also dries up, the lower leaves crumble. In the zone of the root collar, the plant becomes so thin that it may even break.
Sometimes it happens that the general condition of the agave is quite healthy, but, looking closely, you can see that the lower leaves have become soft, loose, they rot and gradually wither. Often a strong, unpleasant odor can be emitted from the pot. All these signs indicate that the plant is affected by putrefactive processes caused by diseases or pests.
Causes
The causes of diseases and deterioration of the condition of the flower may be the wrong conditions of detention. The culture belongs to succulents, that is, in nature, this plant develops in hot climates in sandy light soils. And therefore, a common gardener mistake leading to rot is excessive watering.
With abundant watering, the soil spreads, and after drying, the soil sets and becomes hard . By virtue of its peculiarity, this plant breathes not only with the ground part, but also with the underground, that is, carbon dioxide continuously enters the ground. All these processes form soil acidification, nutrients are transformed into forms that aloe cannot assimilate. Together, waterlogging and acidity of the soil lead to the occurrence of root diseases.
Another reason for decay processes can be a cramped container in which an agave is planted. An adult specimen weaves its roots into a tight ring. Frequent watering provokes dampness inside the earthen coma, and oxygen is not supplied at the same time.
The flower grower, on the other hand, visually notices only the dried surface of the soil and continues to moisturize the plant. This stress causes the aloe to rot.
The situation becomes even worse if hypothermia is added to the overflow . This problem occurs most often in winter and autumn. At this time, cold air blows through the window cracks, the soil quickly freezes. The same consequences are possible due to watering the agave with cold water.
Disease-causing bacteria can develop due to improper feeding. For example, many growers tend to feed a withering specimen with fertilizers.
A diseased plant cannot be fertilized; this only enhances the development of harmful microorganisms. Manure and bird droppings are especially negative for aloe.
Diseases
The most common diseases for this crop are root and dry rot. Any excess moisture leads to rotting in the area of the root collar, since this part of the plant is rather fragile.
In an agave affected by root rot, the leaves begin to fade, they become soft , as if watery, covered with yellowness, dry and fall off. At an early stage of the disease, aloe can be reanimated. To do this, you need to get a diseased specimen from the pot, eliminate rotten root processes, treat the entire root system with a fungicide and plant in new soil. The transplanted plant does not need watering for the next three weeks.
When the disease is detected at a late stage, the flower cannot be saved, it dies.
Another insidious ailment that often affects the agave is dry rot . This fungus develops inside the plant, so it is also difficult to identify externally. Gradually, the culture begins to dry, wither, the leaves become thinner, their structure is deformed, the tips begin to turn yellow, as a result, they dry out completely. The disease can be prevented by prophylactic fungicide treatment.
Pests
The spider mite is one of the most common insects that prefer to feast on aloe juice. This is a small individual, the size of which is not more than 1 mm, that is, the pest is not visually noticeable. However, the presence of a mite can be judged by the formation of a light cobweb and by the change in the color of the leaves. If you do not notice the spread of the tick in time, then soon it will fill the entire plant, and then many individuals can be seen on the inside of the leaf. Gradually, the aloe dies under the influence of the invasion of ticks.
A florist should be alerted by the dullness of the color of the leaves, gradually developing into yellowness, and then into redness . Over time, the leaves will dry out. First of all, the agave should be put in a different place if other indoor plants are blooming next to it, since the spider mite quickly spreads to other crops. Conventional remedies are not able to rid the aloe of the tick; this will require more powerful compounds - acaricides.
To prevent the appearance of this pest, it is recommended to periodically treat the plant with alcohol or spray it with garlic infusion. Especially carefully it is necessary to disinfect the lower leaves, since it is here that individuals prefer to hide. In addition, spider mites like to settle in dry soil conditions, and therefore try to avoid a lack of moisture in the soil.
Another common pest is the scabbard or false shield . These are very small insects, however visible to the naked eye. They are brown plaques that you can pick up with your fingernail. Under the influence of the scale insect, the healthy appearance of the leaves disappears, they begin to dry out, over time, red-brown spots appear on them. The plant loses its ability to photosynthesize.
Having settled on a plant, the insect forms a vacuum, where it sucks in the pulp and juice of aloe. The hole that appears after the presence of the scale insect is filled with poison, which becomes an obstacle to the formation of photosynthesis. It is important to transplant the plant affected by the pest into a new container in time, and discard the old pot or disinfect it very carefully.
In the flower departments, many drugs are sold that save you from the scabbard . In addition, folk remedies will help to overcome the pest. As in the previous case, you can treat the plant with garlic infusion or alcohol wipes. Another popular recipe is made from machine oil and soap solution. These two substances are combined in equal proportions, the agave is processed and wrapped in a film for several hours.
If necessary, the procedure can be repeated after a week.
The third enemy of aloe is the mealybug . You can determine the lesion by a waxy bloom, in which the leaves seem to turn pale. If you do not remove the worm in a timely manner, then gradually the plant can rot. Moreover, it is quite simple to fight this insect. You can wipe each leaf with a solution of alcohol or vinegar and put the pot in a shaded area, but not in the dark, otherwise the agave will die due to lack of lighting. To prevent the appearance of the worm, it is important to keep the soil and air dry. Stems and leaves must be periodically treated with a damp cloth.
Prevention measures
The correct content of aloe at home is the best preventive measure against diseases and pests. It is important to regularly spray the culture, prevent the flower from freezing, and observe good lighting. The soil must contain minerals. Proper care helps to strengthen the immune system, due to which the plant is independently able to resist ailments.
In addition, it is important to thoroughly rinse and disinfect containers after other plants, especially after infested ones. Some pathogens can live on the walls of the pot for years in anticipation of a new blooming victim.
Inspect the leaves regularly for any suspicious spots. If you suspect the formation of rot, do not be too lazy to remove the flower and examine its roots.
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