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河南省地处黄河中下游,地表形态复杂,跨越亚热带湿润气候区和暖温带半湿润气候区,常年小麦播种面积366.7万~466.7万hm2,是我国最大的冬麦区。小麦白粉病在70年代后期成为本省常发病害,监测和防治小麦白粉病是本省小麦生产季节的重要任务。现就河南省小麦
Henan is located in the middle and lower reaches of the Yellow River, the surface morphology is complex, across the subtropical humid climate zone and warm temperate semi-humid climate zone, annual perennial wheat sown area of 3667000 ~ 4667000 hm2, is China’s largest winter wheat area. Wheat powdery mildew has become a common disease in the province in the late 1970s. Monitoring and control of wheat powdery mildew is an important task for the wheat production season in the province. Now Henan Province wheat