【摘要】 文中对相对湿度、阵雨对大斑病流行的影响进行了定量研究,提出了相对湿度与病斑产孢量、降雨量与叶面孢子冲刷率之间关系的两个回归计算式;还报道了关于间歇性降雨造成的萌动孢子再度干燥对孢子萌发率和附着孢形成率的影响等研究结果。更多还原

【Abstract】 The effect of relative humidity and rain on the epidemic of maize northern leaf blight was studied quantitatively.Two regression equations for the relationship between relative humidity and sporulation capacity of lesion, and the relationship rainfall and the rats of washed spores from leaf surface were built.The effect of intermittent rainfall on the germination of siores on the leaf suriace and the formation of appro-sorium waS also reported.更多还原