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Browse by Author: Paul Shoemaker
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Ginseng Disease Control - Phytophthora and Alternaria

By: Jeanine Davis, Paul Shoemaker Horticulture Information Leaflets

Phytophthora leaf blight and root rot is a devastating disease which causes a leaf blight and root rot on ginseng. The disease is caused by a fungus, Phytophthora cactorum, which produces spores that are spread by wind, rain, splashing water, and surface water runoff. Root rot is the most serious form of the disease. Therefore, if foliar symptoms are present, preventing spread of the disease from foliage to roots is essential.

Blossom-End Rot of Tomato, Pepper, and Watermelon

By: Charles Averre, Paul Shoemaker Vegetable Disease Information

This factsheets discusses the symptoms, causes and control of blossom-end rot in tomatoes, peppers, and watermelon.