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跳甲是甜菜苗期的主要害虫,特别是在春旱年份,发生更为严重。为了控制跳甲危害,提高甜菜保苗率,我们进行了35%呋喃丹种衣剂拌种试验。现将试验结果报道如下。1 材料与方法 35%呋喃丹种衣剂由黑龙江省植保公司提供,供试甜菜品种为甜研303。试验地设在本校标本园中,前茬为大豆茬。播种前对甜菜种球进行研磨。拌种方法是:将35%呋喃丹种衣剂与水按1:7的比例稀释,在播
Beetle is a major pest of sugar beet seedlings, especially in the spring drought years, more serious. In order to control the harm of the hopper and improve the seedling maintenance rate of the sugar beet, we carried out 35% carbachol seed dressing test. The test results are reported below. 1 Materials and methods 35% of carbofuran seed coating provided by the Heilongjiang Province Plant Protection Company, for the test beet variety sweet research 303. Experimental site located in our school specimens, the former crop of soybean stubble. Beet seeds are ground before sowing. Seed dressing method is: the 35% carbofuran seed coating and water diluted 1: 7 ratio, broadcast