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玉米丝黑穗病[Sphacelofhecareiliana(KühnClint)]是河北省承德市玉米的常见病害,1984年开始推广综合防治技术,使该病得到控制。2000年以来,随着大量种植感病品种和大面积多年连作,玉米丝黑穗病又迅速回升并有明显加重趋势。为了探明发病严重原因,寻找经济、有效的防治对策,笔
Sphacelofhecareiliana (KühnClint) is a common disease of maize in Chengde City of Hebei Province. In 1984, comprehensive prevention and control technology was introduced to control the disease. Since 2000, with a large number of cultivated susceptible varieties and large areas for many years continuous cropping, maize smut quickly rebounded and a significant increase in the trend. In order to find out the serious cause of the disease, looking for economic and effective prevention and control measures, pen