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本文首次详述了枣尺蠖为害榆树的生活习性及特性。采用塑料膜围干防效达90%;40%氧化乐果原液涂干防效达92%;3%呋喃丹和铁灭克灌根(株施量分别为50、15g)防效为98.8%和97.2%;150×10~(-6)的灭幼脲1号林间喷雾防效达98.2%。
This article for the first time details the life habits and characteristics of Ulva pertusa. 90% omethoate was used as the plastic film and 92% omethoate was applied as a coating solution. The control efficacy of 3% carbofuran and iron mefloxacin (50 and 15g respectively) was 98.8% And 97.2%, respectively. The control effect of mefenpyr-1 in the area of 150 × 10 ~ (-6) was 98.2%.