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近年来,随着耕作制度的改变、种植品种的多样化、种子调运以及气候异常多变等多种综合因素的影响,河南省长垣县以小麦纹枯病、全蚀病、根腐病等为主的多种播种期病害发生面积不断扩大,严重影响着小麦的产量和品质。播种期是预防多种小麦病害发生的有利时期,搞好麦播期病害综合防治,不但可直接有效控制出苗期病害为害,而且能有效地延缓小麦生长中后期多种病害发生期,降低发生程度,减轻后期防治压力,是确保小麦稳产的一项重要措施。
In recent years, with the change of tillage system, diversification of planting varieties, seed transportation and abnormal climate change and other comprehensive factors, Henan Province, Changyuan County, wheat sheath blight, eclipse, root rot etc. Mainly in a variety of sowing disease area continues to expand, seriously affecting the yield and quality of wheat. Sowing period is a favorable period to prevent the occurrence of a variety of wheat diseases, do a good job of comprehensive prevention and control of wheat sowing diseases, not only can effectively control the disease at the seedling stage, but also can effectively delay the occurrence of a variety of diseases during the late wheat growth and reduce the occurrence , To reduce the pressure on post-prevention and control is an important measure to ensure stable production of wheat.