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危害小麦的病虫种类主要有小麦白粉病、小麦赤霉病、小麦纹枯病、条锈病、麦叶蜂、小麦红蜘蛛、麦蚜和小麦吸浆虫等。由于暖冬和春气温偏高,今年小麦分蘖增多,部分麦田群体偏大,利于小麦病虫害的发生。小麦返青比常年早3 d左右,目前小麦已进入拔节期,比常年提前7 d左右,预计各种病虫害发生也会比常年提前5~7 d。针
Wheat pests and diseases are mainly wheat powdery mildew, wheat scab, wheat sheath blight, stripe rust, wheat leaf bee, wheat spider mite, wheat aphid and wheat midge and so on. Due to the warm winter and spring temperatures are high, this year increased tillering of wheat, part of the larger wheat fields, which will help the occurrence of wheat pests and diseases. Wheat regreening about 3 d earlier than usual, the current wheat has entered the jointing period, about 7 days ahead of normal perennial, the occurrence of various pests and diseases are expected to be 5 to 7 days earlier than usual. needle