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当前位置: 首页 > 文章 > 丙草胺防治直播稻田杂草稻的技术研究 植物保护 2015,41 (2) 205-209
Position: Home > Articles > Control technology of pretilachlor for weedy rice in direct-seeded rice Plant Protection 2015,41 (2) 205-209

丙草胺防治直播稻田杂草稻的技术研究

作  者：
张彬;张自常;金燕;徐江艳;董立尧
单  位：
南京农业大学植物保护学院;上海市青浦区农业技术推广服务中心;江苏省农业科学院植物保护研究所
关键词：
解草啶;丙草胺;浸种;杂草稻;栽培稻
摘  要：
为了探寻对栽培稻安全的杂草稻防除技术,采用整株测定法研究了丙草胺对杂草稻的毒力及解草啶减轻丙草胺对栽培稻药害的应用技术,并通过田间试验检验了这一技术的安全性。结果表明:丙草胺在450g/hm2时,可显著抑制杂草稻和栽培稻的生长;采用30mg/L解草啶浸种48h,可显著减轻丙草胺对栽培稻的药害,随着丙草胺施药量的增加,解草啶的保护作用逐渐减弱。田间试验结果说明:用30mg/L解草啶浸种栽培稻48h,丙草胺的施药剂量在450~675g/hm2时对栽培稻安全;当丙草胺剂量为900g/hm2时,栽培稻产量显著下降。
译  名：
Control technology of pretilachlor for weedy rice in direct-seeded rice
作  者：
Zhang Bin;Zhang Zichang;Jin Yan;Xu Jiangyan;Dong Liyao;College of Plant Protection,Nanjing Agricultural University,Key Laboratory of Integrated Pest Management on Crops in East China,Ministry of Agriculture;Institute of Plant Protection,Jiangsu Academy of Agricultural Sciences;Qingpu Agricultural Technology Extension Center of Shanghai;
关键词：
fenclorim;;pretilachlor;;soaking;;weedy rice;;cultivated rice
摘  要：
To explore technology of controlling weedy rice with safe for cultivated rice,the toxicity of pretilachlor on weedy rice and the application technology of fenclorim reducing the phytotoxicity of pretilachlor on cultivated rice were conducted.The results indicated that the growth of weedy rice and cultivated rice both were inhibited significantly by 450 g/hm2 pretilachlor.The injury of pretilachlor to rice was reduced obviously when the seeds were pre-soaked by fenclorim at 30 mg/L for 48 h.However,the protective capability of fenclorim became weak with increasing the dose of pretilachlor.The field trial demonstrated that the range dose of pretilachlor at 450-675 g/hm2 was safe to cultivated rice.However,when the dose of pretilachlor was at 900 g/hm2,the yield of cultivated rice decreased obviously.

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