Powdery mildew on plants

How is powdery mildew formed?

The Cause of powdery mildew is the colonization of the plant with so-called sac fungi. Powdery mildew is also considered a fair-weather fungus. Most often, in warm, dry weather, the fungus gets onto the leaves from wind or spray from watering. On the surface, the fungi form a mycelium with sucking appendages. This sucks the nutrients and moisture out of the leaves.

How harmful is powdery mildew?

powdery mildew damages all parts of the plant. By depriving it of nutrients and moisture, the damage can lead to the death of the plant. In the vegetable garden, for example, powdery mildew can greatly reduce the cucumber harvest. It is therefore important to combat the fungal disease as early as possible.

How can I combat powdery mildew?

For the control of powdery mildew is the Removal of the affected parts of the plant urgently required. In addition, there are several proven ones home remedies. These are mainly based on a natural fungicidal effect, as with garlic. Alternatively, changing the pH with acids or bases such as lactic acid or baking soda can have the same effect. The plants usually have to be treated several times. Put additional resistant varieties in the vegetable garden.