Powdery mildew manifests itself from spring to autumn by developing a white fuzz on the leaves of your flowers and vegetables. How to fight against this fungus which causes great damage, once the daily heat, cool nights and humidity have set in?
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Use garden plants to controlpowdery mildew. In the form of manure or decoctions, they will act as a preventive and curative against these fungi pathogens which can invade plants.
What preventive actions can be taken to avoid the installation of powdery mildew?
Put the odds on your side by taking a few precautions to prevent powdery mildew from taking hold in your garden or on your balcony:
- during the sessionswateringdo not wet the foliage;
- plant some roses in the different areas of the garden because they are often affected before other plants;
- when planting, keep reasonable distances between plants in order to let theair pass ;
- after planting, install a straw bed to retain moisture;
- in a greenhouse or frame, ventilate regularly so as not to keep a confined space;
- choose varieties said to be resistant to powdery mildew;
- as soon as powdery mildew appears, burn the affected parts to prevent the spread of mushroom.
Namely: the roses, the vinethem zucchinithem cucumbersthem dahliasthem tomatoes and many other plants are sensitive to these powdery mildew attacks.
What natural treatments to apply against powdery mildew?
Whether preventive or curative, prepare magic potions in the form of manure to fight against powdery mildew. Here are some treatments to know:
It would have recognized preventive effects. In a container plasticlet macerate 100 grams ofgarlic that you will have crushed beforehand, in a liter of water. After a good hour, put the mixture in a saucepan and boil the preparation. Let it cool then filter the pieces before putting it in an airtight bottle. On the day of treatment, dilute this decoction to 20% and spray the diseased parts. Keep the preparation only one season.
You can also make an oily maceration ofgarlic cold with 1 liter of vegetable oil, a clove of crushed garlic and a tablespoon of soap liquid black soap type. Leave the preparation for 72 hours, filter it, add the soap and use it in the evening, diluted to 5% (5 cl in 1 L of water) in a sprayer. Keep this oil for several years.
It has virtues antifungals. Use it both preventively and curatively. In a sprayer, mix half a liter of milk with 5 liters of water. Apply this mixture, diluting it to 10%, once a week to fight against powdery mildew.
It acts before and during the appearance of this microscopic fungus. Buy the ready-to-use preparation in a garden center or make it yourself by harvesting stems of horsetail from June until August. For this, mix 100 grams of chopped fresh leaves with 1 liter of water. Let everything macerate for 24 hours. Boil the preparation for 30 to 40 minutes and let cool. Filter and spray the 5% diluted decoction every two weeks. Store the preparation in an airtight bottle.
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