Unfortunately, such an unpleasant disease as powdery mildew is quite common in many plant species - both indoor flowers and those that grow in the open ground. Among the rooms most often suffer from such plants as violets , gerberas, calanchae, cissus, begonia , cineraria.
The causes of powdery mildew on indoor plants
First of all, the fault is the stagnant moist air in the room and the sudden temperature fluctuations. The spread of the disease is also carried out with the contact of the sick and healthy plants, during irrigation, with the flow of air, and also when carrying by insects.
The cause of the disease can be excessive use of nitrogen fertilizers, as well as a lack of calcium in combination with high temperature and humidity in the room. At the same time, abundant watering is not at all an occasion for the development of powdery mildew.
Causes disease of the fungus Sphaerothecara nnosa. It has many varieties that affect a variety of plants, including shrubs and trees.
How to deal with powdery mildew on indoor plants?
The very first thing you need to do when you find characteristic white spots on the leaves and flowers of plants, to ensure the correct microclimate in the room, to avoid sudden temperature changes, at the first signs of illness, cut off the affected shoots.
The diseased plant must be treated with one of the following solutions:
- manganese-acid - 2.5 grams of manganese per 10 liters of water;
- calcined soda with soap - 50 grams of soda, 40 grams of soap per 10 liters of water;
- tincture of garlic - 15 grams of chopped garlic to insist in 1 liter of water during the day;
- preparations based on sulfur or medically spraying a diseased plant;
- preparations Topaz, Dectra, Skor, etc .;
- a mixture of antibiotics - tarramycin, penicillin and streptomycin in equal parts.
How to get rid of powdery mildew on indoor plants at home? You can prepare a soda solution, for this 1 tsp. Soda should be dissolved in 1 liter of water, add a few drops of usual liquid soap and sprinkle it with the plant. But first try out this remedy on several pieces of paper to make sure of the harmlessness of such treatment. Spray should be 1 time a week until all signs of the disease disappear. However, remember that the treatment of powdery mildew on indoor plants with folk remedies is effective only in cases when the disease has not yet spread much and the degree of damage is minimal. If you see that the flowers are badly hit, you will need to use "heavy artillery" - fungicides (Hom, Topaz, Vectra, Skor, Tiovit).
In this case it is extremely important to handle, strictly following the instructions and observing all the precautions specified in the instructions to the preparations. All of them are bred in a lot of water, so you can separate one ampoule into several applications.
Prevention of powdery mildew
Means of prevention stem from the causes of the development of the disease. If it is said that,
Also, in order to prevent the development of the disease, periodically change the soil, disinfect it, and cut through the leaves of the plants. If there are small lesions, they should be urgently removed along with the buds or leaves, avoid spraying such a plant and getting water on its leaves.
There is nothing difficult in the treatment and prevention of powdery mildew, the main thing is to consistently and regularly carry out all the necessary procedures until the plant is cured and will not continue to bring it to such a state.