The indicator of powdery mildew is the presence of a white plaque with brown spots on the stems and leaves of the plant. The plaque is a mycelium. It lives and develops using the plants. Dark spots are her spores. Inflorescences affected by powdery mildew do not form ovaries, plants’ winter resistance decreases, their growth stops, they darken and gradually die.
How do you deal with the disease if it has already infected your plants?
There are several ways to get rid of the disease:
Cut the damaged shoots with leaves. Burn everything that’s been cut immediately.
Treat the plants with a special solution. There is fungicide medication against powdery mildew, but biological treatments also do the job well. They contain live bacterias, which safely prevent the reproduction of harmful fungi. Once you have selected the product, treat the plants by following the instructions on the packaging.
The best way to deal with it is preventive medicine
It’s important to process fruit and berry bushes and trees regularly. The best time for this is dry and windless weather. Here are the key recipes:
Cinder. Pour 10 liters of boiling water into 3 kg of cinder. Leave it for 24 hours. Filter and spray 3 times with frequency of 1 day.
Ammonium nitrate. Spray 50 g of the product into 10 liters of water. Use it after the blooming.
Baking soda. Combine 1 pill of acetylsalicylic acid, 1 tbsp. of soda, 1 tbsp. of vegetable oil and 1 tbsp. of any detergent with 5 liters of water. Spray once a week, throughout the whole season.
Great mullein. Pour the water into the fertilizer at a ratio of 1:3 and leave it for 3 days. Add this infusion to the water at a ratio of 1:3 and filter. Treat before and after blooming and before the leaves begin to fall.
Mustard powder. Mix 2 tbsp. of mustard in 100g of warm water. Then pour this mass into 10 liters of regular water. Spray once every couple of weeks.
Weed infusion. Any weed or mowed grass will do. Cut the grass and fill half a bucket with it. Add some hot water and cover it up. Place in a warm place for a week and stir occasionally. Filter the infusion.
Use it twice a month.
All these recipes do a great job, don’t be lazy to use them. This way the powdery mildew won’t be able to damage your plants. And remember that this disease spreads most actively on bushes and trees in old, neglected gardens.