Powdery mildew (or powdery mildew) can be recognized by the mealy white felt that covers the leaves and sometimes the stems or flowers. The infected leaves eventually curl and take on a blister-shaped appearance. And when this fungal disease settles on the foliage of fruit trees, it soon becomes difficult to dislodge it … The pathogenic spores are then spread with wind, water and rain, as well as contact between the foliage. And without realizing it, the gardener using contaminated garden tools can also spread it from plant to plant. Here are some natural tips for preventing and treating powdery mildew.
Which plants are most affected?
By closely monitoring vulnerable plants, gardeners can better control the spread of this fungus. The sooner you apply your natural mildew tips, the better you can protect your plants.
Trees and shrubs: Any fruit tree (apple, peach, gooseberry, pear, vine, quince, hawthorn…), maple, rose or oak.
Vegetable plants: Strawberries, maize, leeks, melons, gherkins, carrots, radishes, aubergines, potatoes, cucurbits, cucumber, endive and beet.
Natural Gardening Tips to Prevent and Control Powdery Mildew
-Clean up the plantings well. This will limit contamination between cultures.
-Avoid watering the leaves, especially in very hot weather. It is only necessary to water the base of the plants. Water preferably in the morning, because it is cooler than in the evening.
– In addition, avoid nitrogen-rich fertilizers.
– Look for plant species that are not very susceptible to mold.
-Provide good air circulation in the branches of fruit trees.
– Guard his plants. With cool night or morning dew followed by mild daytime temperatures, the chance of spreading is high.
During the infection:
-Remove the affected leaves immediately. Be careful not to shake the spores everywhere while cutting.
-Do not dispose of these leaves, branches or affected parts with the compost. Burning them is the only effective solution.
-Be reactive: act from the first symptoms.
Tips and natural recipes against powdery mildew
Use your milk well
Cow’s or sheep’s milk is fat and has fungal properties, which help to get rid of the fungus. To do this, dilute one dose in nine doses of rainwater. Then spray your solution on the infected leaves in dry, windless weather. If possible, do not do this in full sun. Then repeat the treatment every two weeks.
Advice : Take semi-skimmed milk. This way you don’t have the rancid smell of whole milk.
A homemade decoction
Weeds in the garden are a great help. For your rose bush, a decoction of horsetail stems can make all the difference. As for the apple tree, he will appreciate a decoction with nettle roots! Just let them dry after harvest. Then mix them with water (100 g per liter). Then bring everything to a boil for 20 minutes. Remove from heat, cover, let cool and finally filter. Dilute the decoction to 20% before treatment.
A bicarbonate treatment
Mix 1 teaspoon of baking soda with 1 liter of water. Then top up with 3 teaspoons of olive oil. Here it is, it’s done! Be sure to follow the recipe carefully to avoid burning the leaves. All you have to do is treat the affected parts of your plants with this solution. Repeat one application per week.
A garlic solution
Garlic essential oil is very powerful against fungi. Dilute 20 drops in a small amount of black soap. Then dilute a spoonful of clay in 1 liter of rainwater at room temperature. Finally, add the black soap to the garlic. All you have to do is spray some! Another option is to use a decoction of garlic to spray on the infected foliage.
The last word:
Cryptogamous diseases related to parasitic fungi (mildew, peach leaf curl, scab, etc.) do not give rest to plants in the garden or vegetable garden. The temptation is then great to spray a medicinal fungicide rich in chemicals. However, there is no shortage of alternative natural solutions to combat diseases and parasites. We hope this article on natural anti-mildew tips proved it for you! To eradicate it, therefore, it is not alone questionable Bordeaux mixture with copper sulphate and sulfur treatment!