Tomatoe, Zucchini And Capsicum Diseases

Question

Hello, I’m new to gardening and although I managed to grow with some phenomenal results to start with, I now have what appears to be diseases but I don’t know what or how to treat them. Tomato, zucchini and capsicum all grow in different gardens and unsure if same or different diseases. I’m not sure how to treat these.

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Answer 1

The white powdery diseases are powdery mildew. These articles should help:

https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-diseases.htm (click on the links in the article to get more information)

https://www.gardeningknowhow.com/edible/vegetables/zucchini/zucchini-squash-diseases.htm

https://www.gardeningknowhow.com/edible/vegetables/zucchini/solutions-for-common-problems-growing-zucchini.htm

https://www.gardeningknowhow.com/edible/vegetables/pepper/common-pepper-plant-problems.htm