几种药肥组合防治元胡霜霉病田间药效试验研究

Study on Field Efficacy of Several Mixtures of Fungicides and Fertilizer against Corydalis Downy Mildew Disease

元胡霜霉病是元胡生产中主要病害,"杀菌剂+叶面肥"组合配方防效优于使用单一杀菌剂。通过开展不同药肥组合防治元胡霜霉病试验研究,筛选出32.5%苯甲·嘧菌酯悬浮剂、60%唑醚·代森联水分散粒剂,与霍尚澳优果蔬专用12元素液体肥同时使用,对元胡霜霉病防效好、能有效延长元胡生育期、提高元胡产量,可在生产中大面积推广应用。

Corydalis downy mildew is the main disease occurring during corydalis production, and the control efficacy of the mixtures of fungicide foliar fertilizer is superior to that of fungicide alone. In this paper, the field efficacy of several mixtures of fungicides liquid fertilizer against corydalis downy mildew were studied, and finally the mixture of difenonazole ＋ azoxystrobin SC32. 5% with 12-element liquid fertilizer and pyraclostrobin ＋ metiram 60% SC with 12-element liquid fertilizer were selected for large scale application, which provided good performance in controlling corydalis downy mildew, prolonging corydalis growth and promoting corydalis yield.