Neem Oil Powdery Mildew Squash
Squash with powdery mildew.
Neem oil powdery mildew squash. In the case of cucurbits there are three different fungal species responsible for causing powdery mildew. I would offer this thought up about neem oil use for prevention of powdery mildew think of it more of a fungistat then fungicide. Powdery mildew is almost impossible to rid from garden crops as spore floats and is not killed unless treated with good fungicide and contacts all spores. However there is a different species of powdery mildew that attacks each different veggie.
The picture on the left shows a peony beginning to develop powdery mildew. One of the most observable uses is in the control of powdery mildew on plants such as peonies zucchinis and cucumbers. The spaghetti squash plants 10 feet away got obvious powdery mildew and the same treatment got rid of it right away. Oddly it doesn t seem to affect the production significantly.
In addition to squash plants it may afflict any number of veggies including. Spray infected squash plants with the neem oil solution every seven days until you see. There are a number of studies that show its effectiveness for various insect and disease problems. Neem oil works only on contact so thoroughly spray the foliage including the undersides of leaves and stems.
Neem oil is recommended as an organic insecticide and fungicide.