4.芸豆黑斑病

(1)病原:Alternariabrassicae(Berk.)Sacc.var.phaseoliBrun.(芸薹链格孢芸豆变种),A.fasciculata(CookeetEll.)JonesetGrout(簇生链格孢),A.tenuissima(Fr.)Wiltsh(细极链格孢),均属半知菌亚门真菌。芸豆黑斑病初期症状芸豆黑斑病中期症状芸豆黑斑病典型症状芸豆黑 ......（本文共 459 字 , 6 张图）     [阅读本文] >>