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由于品种的更换和耕作制度的变化,青枯型玉米茎基腐病(俗称青枯病)成为我国南北玉米产区一种新发展的重要病害。当玉米进入乳熟期,根和茎基部开始腐烂、叶片出现青灰色干枯的早死现象、对产量损失大。此病病原菌比较复杂,尽
Due to the change of cultivars and the change of tillage system, the stem-base rot of corn-scalded corn (commonly known as bacterial wilt) has become a newly developed important disease in maize producing areas in north and south China. When corn enters milky maturity, the base of roots and stems begin to decay, and the leaves appear blue-gray dry early mortality phenomenon, which has a great loss of yield. The pathogen is more complicated, do