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玉米大斑病 ( Exserohilum turcicum)是世界各玉米产区的重要病害之一 ,常造成极其严重的经济损失。Yoka等早在 1975年就曾报道 ,玉米大斑病菌在活体外培养可以产生果胶甲酯酶等酶类物质 ,并可产生热稳定的对玉米具致毒作用的致病毒素 ( HT-毒素 )。Peptiprez等 ( 1984 )报道玉
Exserohilum turcicum is one of the most important diseases in every corn producing area in the world and often causes extremely serious economic losses. As early as 1975, Yoka et al. Reported that S. turcz prepared in vitro and could produce enzymes such as pectin methylesterase and produced thermostable toxins that are toxic to corn (HT-toxins ). Peptiprez et al. (1984) reported jade