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Keyword Search Results for:
Blight

2 Found

Question: 1294-3615
Last year I used a lot of manure. This year I have a gray blight on my tomatoes, eggplant and cukes. Can I eat the veggies? Bill, Long Island, NY

Mort's Answer:
You have a fungus that could have incubated in the manure. Fungi are also wind blown. It does not affect the fruit although the plants will be less vigorous. Wash the veggies before using. Take off the affected leaves. When the plants are through producing, gather the entire plants and dispose of them. Do not put them in the compost pile. This late fall put down either gypsum or lime and sulphur. I would advise using another spot for a year for those hot weather veggies.

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Question: 588-3111
I researched on the internet what the common method was to mitigate early blights. As you know early blight is a fungus and so fungicides were recommended. Some camps said daconil, others said copper concentrate, still others said neem oil and sodium bicarb. So I used them all. The result was a very bad "burn". I sprayed strawberries, blueberries, squash, cukes, canteloupe, pole beans and the tomatoes. All of them had negative reactions, the worst being the strawberries, blueberries, pole beans and the tomato plants. I do not think I have killed them, but I have injured many leaves. Will they come back? Did this alter the pH? I also sprayed the honeysuckle hoping to kill it but no dice. Adam

Mort's Answer:
If they survive they will be the hardiest plants you could have, as evidenced by the honeysuckle. Blights are caused by a multiple of diseases including fungi. Most often irregular watering on tomatoes in particular will cause a blight to start on tomatoes. Your cure has been more harmful than the disease. Blights can be outrun by most plants. Your only choice now is to wait and see.

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