Three inoculation methodssoil-infested with V.dahliae grown on wheat bran and corn meal, soil infested with microsclerotia nad root dipped in a spore suspensio were compared in greenhouse for their effectiveness in infection and development of Verticillium wilt of cotton. Disease progress was more rapid and induced symptoms were more severe following root dipping method. The entire test for the root dipping method took only 35-45 days whereas the other two methods took 75 days. For the root-dipping method, the disease was more severe at the inoculum density fo 10 sup 5 nad 10 sub 6 conidia/ml than at 10 sup 4 conidia/ml.
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机译：比较了三种在小麦麸皮和玉米粉上长满土壤的V.dahliae感染土壤，在温室中接种了浸有孢子悬浮液的土壤中掺入了微核盘菌和裸露菌的土壤的三种接种方法，它们对棉花黄萎病的感染和生长的有效性。根浸法后病情发展较快，诱发症状更为严重。整个浸根方法测试仅需35-45天，而其他两种方法则需75天。对于根浸法，该疾病在接种密度为10 sup 5和10 sub 6分生孢子/ ml时比在10 sup 4分生孢子/ ml时更为严重。
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