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植物根结线虫病是林木根部的一类重要病害。据笔者在海南岛的初步调查,即发现有33科69种森林植物感染此病。罹病苗木的根部通常出现结节,其形态类似于
Plant root-knot nematode disease is an important type of disease in roots of trees. According to the author’s preliminary investigation in Hainan Island, 33 families and 69 kinds of forest plants were found to be infected with the disease. The root of diseased seedlings usually shows nodules similar in shape