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当前位置: 首页 > 文章 > 用杀虫双大粒剂防治水稻二化螟和三化螟的研究 昆虫学报 1988,31 (4) 371-378
Position: Home > Articles > CONTROL OF RICE STEM BORERS WITH A NOVEL INSECTICIDE FORMULATION ——DIMEHYPO JUMBO Acta Entomologica Sinica 1988,31 (4) 371-378

用杀虫双大粒剂防治水稻二化螟和三化螟的研究

作  者：
朱文达;屠予钦
单  位：
湖北省农科院植保所;中国农科院植保所
关键词：
水稻螟虫;杀虫双;大粒剂
摘  要：
本文报告一种防治水稻螟虫的杀虫双新剂型和使用效果。含有效成份5％的杀虫双大粒剂,每公斤含2000粒左右,在每亩1—1.25公斤的用量下,药效显著优于六六六、呋喃丹及杀虫脒等残留和高毒性农药。处理一亩田只需数分钟。在七个县和四个农场共266440亩稻田的示范试验中,防治效果达84.5—100％。杀虫双在田水中扩散迅速,24小时内即可扩散分布到全田。持效期较长,可达两周之久。但在蝗虫已蛀入稻茎后施用大粒剂,有效施药期只有3—4天。本文对杀虫双大粒剂的使用技术进行了经济效益、社会效益和生态效益方面的评价。
译  名：
CONTROL OF RICE STEM BORERS WITH A NOVEL INSECTICIDE FORMULATION ——DIMEHYPO JUMBO
作  者：
ZHU WEN-DA(Institute of Flam Protection, Hubei Academy of Agricultural Sciences, Wuhan)TU YU-QIN (Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing)
关键词：
dimehypo——big granule——rice stem borer
摘  要：
A novel formulation of insecticide and application method for the control of Chilo sup-pressalis (Walker) and Tryporysa incertulus (Walker) is presented and compared with conventional methods. Dimehypo, S, S-(2-(dimethylamino)-l,3-propanediyl) disodium thiosulfa-te, is an insectidide now developed in China and has been formulated as big grannies (dime-hypo jumbo) containing 5% a.i. and in size of about 2000 granules per kilogram. Under an application rate of 15 io 18.5 kilograms per hectare, dimehypo jumbo would provide high efficacy in stem borer control, better than BHC, carbofurati and chlorodimeform which are condemned as being persistent or insecticide.: with high mammalian toxicity. Large scale field tral on 17,763 hectares of paddy fields have been conducted at seveu counties and three statefarms in Hubet Province in 1985, and high effectiveness of borer control reaches 84.5......100%. At economical rates the effectiveness could be kept as long as two weeks, but the granules must be applied within 3-4 days after the majority of the larvae having borel into the rice stems. The economic, ecological and social benefits of this new method are here evaluated.

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