Fungi associated with strawberry root rot in Illinois |
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Authors: | S Nemec |
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Institution: | 1. Crops Research Service, Agricultural Research Service, U.S. Department of Agriculture, 62901, Carbondale, Illinois
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Abstract: | A qualitative and quantitative study of the fungi associated with apparently healthy and root rot-diseased strawberry main roots was made during a 1-year period. Eighty-one genera were isolated from lesions and stele segments of diseased roots, and tips and segments 5–6 cm from the tip of apparently healthy roots. A diverse mycoflora was isolated from each segment of the root. However, each segment had a typical dominant mycoflora, indicating that a changing mycoflora is associated with the root as it passes from a healthy to a diseased condition.Pythium spp. andRhizoctonia Spp. accounted for 25.09 and 5.67 percent, respectively, of the isolates from Surecrop lesions, and 4.96 and 25.92 percent, respectively, of the isolates from Cyclone lesions. |
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