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稻纵卷叶螟是丹徒区水稻生产上的主要害虫,近两年来,五(3)代、六(4)代均表现为大发生至特大发生,防治压力大,一些农户盲目使用高毒、高残留、未经登记的农药和增加农药用量来防治,给稻米质量和生态环境带来了一定的负面影响。为进一步提高农产品质量,降低化学农药使用量,保护生态环境,2004年丹徒区植保站对卷螟立克、苦参碱两种生物药剂进行了防治五(3)代稻纵卷叶螟药效试验。1材料与方法1.1供试药剂①2%卷螟立克EC(上海农乐生物制品有限公司生产);②0.5%苦参碱AS(南通神雨绿色药业有限公司生产);③90%杀虫单WP(安徽华星
The rice leaf roller is the main pest in paddy production in Dantu District. In the recent two years, the occurrence occurred in five (3) and six (4) generations from large to large occurrence, with great pressure on prevention and treatment. Some farmers blindly used high toxicity , High residues, unregistered pesticides and pesticides to increase the amount of pesticides to prevent and control, to the quality of rice and the ecological environment has brought some negative impact. In order to further improve the quality of agricultural products, reduce the use of chemical pesticides and protect the ecological environment, in 2004 Dantu Plant Protection Station on the Holothuricide, matrine two kinds of biological agents were controlled five (3) on behalf of rice leafroller Effect test. 1 Materials and Methods 1.1 Test agents ① 2% Coleoptera EC (Shanghai Nongle Biological Products Co., Ltd. production); ② 0.5% matrine AS (Nantong God rain Green Pharmaceutical Co., Ltd. production); ③ 90% insecticide Single WP (Anhui Huaxing