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1989年我省小麦白粉病大流行,一般损失5—10%,严重的(高感品种)损失高达30％。众所周知,防治该病的重要途径是抗病品种的应用,但目前高产优质抗病型品种远远不足。本试验旨在寻找高效杀菌剂,指导生产,挽救某些感病品种。一、材料与方法试验设5个处理:①25％敌力脱乳油(瑞士汽巴嘉基公司产品)25毫升/亩;②YN-3胶悬剂(天津南开大学元素所新研制样品)375毫升/亩;③20％粉锈宁乳剂(江苏建湖农药厂产品)30毫升/亩;④40％多菌灵胶悬剂(江苏吴县农药厂产品)100毫升/亩;⑤喷清水(对照)。每亩均对水75公斤
In 1989, wheat powdery mildew in our province was a pandemic, the general loss of 5-10%, serious (high susceptibility varieties) loss of up to 30%. As we all know, an important way to control the disease is the application of disease-resistant varieties, but at present, the varieties of high yield, high quality and disease resistance are far from enough. This experiment aims to find efficient fungicide, guide the production, save some susceptible varieties. First, the material and methods The experiment set up five treatments: ① 25% of the enemy de-cream (Swiss Ciba-based company products) 25 ml / mu; ②YN-3 plastic suspension (Tianjin Institute of Nankai University, the newly developed sample) 375 ml / Mu; ③ 20% of the powder rust Ning emulsion (Jiangsu Jianhu Pesticide Factory products) 30 ml / mu; ④ 40% carbendazim suspension (Jiangsu Wuxian Pesticide Factory products) 100 ml / mu; ⑤ spray water (control). Each kilogram of water on the 75 kg