日前,记者从山东省植物保护总站获悉,受气候、墒情等因素影响,今年小麦病虫草害出现新的特点。一是虫源基数偏高。由于冬季、早春的持续干旱,麦蚜、麦蜘蛛、部分地区稻茬麦田灰飞虱等越冬基数偏高于常年。 Recently, the reporter learned from the plant protection station in Shandong Province, by the climate, soil moisture and other factors, this year’s wheat pests and diseases appear new features. First, the high base of insects. Due to the continuous drought in winter and early spring, the number of overwintering perennials such as wheat aphids, wheat spiders and rice planthoppers in some areas were higher than normal.