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近几年,甜菜夜蛾在青岛地区大发生,受害较重的作物有各类蔬菜、棉花、大豆、花生等。农民普遍反映该虫难于防治。对此,我们进行了田间小区药效试验。一、试验基本情况 (一)供试药剂 2.5%高渗氯氰菊酯乳油(山东菏泽曹达农药厂),5%高效氯氰菊酯乳油(天津农药厂),20%双杀乳剂(济南金科生化有限公司)。 (二)供试品种夏绿大白菜(香港产)。 (三)试验设计试验地点在青岛市即墨华山镇皋埠村,大白菜于6月下旬定植。栽培条件与当地生产田一致。小区面积50m~2,随机区组排列,重复4次。6个处理,共24个小区。用西班牙产背负式手动
In recent years, beet armyworm occurred in Qingdao, heavier crops have all kinds of vegetables, cotton, soybeans, peanuts and so on. Peasants generally reflect the worm difficult to control. In this regard, we conducted a field trial of field efficacy. First, the basic situation of the test (A) for the test agent 2.5% Hyperbetal cypermethrin (Shandong Heze Caoda Pesticide Factory), 5% beta-cypermethrin (Tianjin Pesticide Factory), 20% double emulsion (Jinan Jinke Biochemical Co., Ltd.) . (B) test varieties summer green Chinese cabbage (Hong Kong-made). (III) Experimental Design The test site is located in Gaobu Village, Huashan Town, Jimo City, Qingdao City. Chinese cabbage is planted in late June. Cultivation conditions consistent with the local production. Residential area of 50m ~ 2, random block arrangement, repeat 4 times. 6 processing, a total of 24 district. Made in Spain piggyback manual