不同玉米品种对弯孢霉叶斑病的抗病性研究

试验对20个玉米品种进行抗病性研究,并对其产量损失进行了估计。结果表明,不同玉米品种对弯孢霉叶斑病存在着一定的抗病性差异,中感品种为鲁单981,病情指数为16.10,其余的品种皆为中抗。除此之外,还分析了影响玉米弯孢霉叶斑病发生的因素,其发病程度除受品种抗病性等因素的影响外,主要取决于8月中、下旬的温度、湿度、降雨量和光照时数。

Resistance Research of Different Corn Varieties to Corn Curvalaria Leaf Spot(CCLS)

This experiment proceeded resistanse research and the yield lose estimation to 20 corn rarities.The results suggested that the different corn varieties exist the certainly difference of resistance-ccls.among them,Ludan 981 was affected middlingly,it's index of the disease was 16.10.The rest was all for the middle resistance.In addition,still analyzed the occurring factors that effected the Corn Curvalaria Leaf Spot.The seriousness of the disease was mostly effected by the temperature,humid,rainfall and light hours on the middle,last ten days in the August besides the resistanse of variety.