Vegetables, decorative, fruit plants and flowers are affected by powdery mildew. This is the most common fungal disease, when it is detected, it is necessary to immediately take measures to eliminate it. The main symptom of this disease, which is called “powdery mildew”, is a white coating appearing on the leaves of the plant, as if the leaves were dusted with flour. With improper care of the culture, namely excessive or insufficient moisture, poor loosening of the soil, excessive introduction of nitrogen fertilizers into the ground. Leaves, stems, flowers and buds of roses can be covered with plaque.
Means for eliminating the disease:
A solution of household soap
The simplest method of prevention and treatment is to treat rose bushes with a solution based on household soap and soda, dissolve 0.5 pieces of grated household soap and 25 grams of soda ash in 5 liters of hot water. Spray the bushes 3 times with a break in a week.
The main condition before using the product is to remove diseased leaves, pale buds and branches, only then carefully process the plant.
Copper sulfate copes well with fungal disease on roses. Dilute copper sulfate (5 g) in hot water (250 ml). Next, pour this solution into a five-liter bucket of water, stir and start spraying. To make the solution stick better to the surface of the plants, add 100 ml of liquid soap to it.
Fungicides are drugs that fight fungal diseases such as powdery mildew and late blight. It can be used at any stage of the disease.
Infusion of wood ash
This is a very popular tool among gardeners and gardeners, it is considered No. 1. It is used to feed, treat and drive away harmful insects. To treat rose bushes from powdery mildew, prepare the following solution: mix 1 kg of wood ash in 10 liters of boiling water. Prepare it in advance, because it will take 7 days to infuse. Then strain and use. It works very gently, so treat disease-damaged bushes every other day during the week.