Club Root A serious problem in home gardens is that clubroot disease can be managed using these proven, organic methods. Affecting most brass crops (such as cabbage, broccoli, cauliflower, etc.), clubroot is a serious plant disease in North American home gardens. It is caused by the soil-borne fungus Plasmodiumophora brassica, which infects plants that are easily infected by root hairs. Diseased roots swell, deform, deformed (clubbed) often crack and rot. As a result, plants have difficulty absorbing water and nutrients properly. During the daytime heat, the plants often grow poorly and wither; Plants are often revived on cold nights. The outer leaves turn yellow, purple, or brown. The club will reduce root yield and cause total crop failure. Fungal spores can be spread by air, water and garden tools. Disease development can occur at different stages but is preferred due to high humidity, low soil pH, and soil temperature between 64 and 77˚F. Seeds can live in soil for...
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