Avocado can be called capricious plantbecause it is subject to different diseases.
It can be damaged not only by diseases, but also by pests.
To avoid problems, you need to be able to recognize their cause and know some ways to get rid of them.
Avocado diseases
Common Avocado Disease - leaf fall. If they fall from the bottom, the problem most often lies in the rotting of the roots or the overmoistening of the soil.
In this case, before falling off, the leaves are often mildewed or blackened. We must try to reduce the humidity of the land in which the plant is located.
One more reason - powdery mildew. This disease is a fungus. The plant is covered with snow-white and mildew-like bloom. First, the lower leaves turn yellow and fall off, and the new ones grow deformed. Then the plant gradually dies.
Mealy dew appears from disregarding the rules of watering, that is, when waterlogging and insufficient watering. There is a high risk of the disease appearing if the avocado is located on the balcony during the rainy season under conditions of cool weather.
Do not forget that the disease is easily transmitted from any infected plant.
Here's what to do. with powdery mildew:
- replace the top layer of the earth;
- prune damaged leaves;
- spray leaves and stem with medicinal preparation (manganese, soda-soap, mustard solution, etc.).
Falling leaves usually caused by their dryness. Even if good watering is provided, but the tops still turn yellow and fall off, the reason lies in insufficient watering. Moreover, it is necessary to water not only the ground itself, but also the entire surface of the plant. Do not forget to wash the leaves and trunk.
Sometimes leaf color seems lifeless. The leaves do not drastically change the color, but only lose it. The problem is the lack of light. Take care of good natural light.
The main causes of drying
Why does avocado dry leaf tips? Usually, leaves are first dried. This is very dangerous for avocados, because gradually it can die.
What if the avocado leaves dry? Provocateurs dryness - low humidity and improper watering. To eliminate the dryness of the air, you should thoroughly ventilate the room. This is best done when the weather is wet.
Do not forget move the plant during airing. He is undesirable to experience the influence of wind and temperature changes.
Yet another way to increase humidity - take the usual container with water and place it near the pot.
Avocados are not always easy to extract moisture from the air, so you can ease the task. For this wipe both the leaves and the barrel with wet matter.
How do temperatures affect the plant?
A plant can get sick even with improperly selected temperature conditions.
If you do not spoil avocado warm, the leaves will shrink. They roll up, but it is unlikely to turn yellow. Perhaps their color will become darker. This position of the leaves is a sign of the "dying" state of avocado. With cold growth slows down, and the life of the plant gradually fades away.
Even if the leaves are already folded, you can still save the avocado. To do this, you need to adjust the temperature in the room so that it turns out to be optimal (at least fifteen degrees). You should not try to heat the plant as much as possible, because it will suffer greatly from a sharp drop. Increase the temperature better gradually.
In no case do not place thermal devices near the avocado. Even if you warm the room with their help, keep them away from the plant.
Temperatures too high also not the best way to affect avocados. Especially if the air is dry. Heat - provocateur yellowing of leaves and their dryness. From it, they become tougher and smaller in size, that is, shrink.
The best resuscitation method - gradual decrease in temperature and moderate watering. Do not attempt to flood the ground if the temperature is not lowered - you will achieve the opposite effect.
Pests
Avocados are often attacked by two pests - shield and spider mite. The action is the same.
After they fall on the leaves and the trunk, the parasites actively proliferate and provoke yellowing and shedding of leaves. This is extremely dangerous, because the infected plant dies quickly.
With dry air, parasites reproduce easily. Be sure to humidify the air before pest control.
Do not forget that parasites easily pass from one plant to another, both with the help of air and human hands. Therefore, try to isolate diseased plants from healthy ones.
In order to destroy the guard effective soap solution. It is necessary to dissolve tar soap in water and clean the leaves with a mixture.
To combat spider mite Avermecatins are required. Such drugs include Vermitek and Actofit.
What needs attention
Many of these diseases are extremely rapidly progressing. therefore pay due attention to the plantto avoid ill effects.
The sooner a problem is identified, the better the measures taken will help.
