[1]张建萍,朱晓群,唐伟,等.33%嗪吡嘧磺隆水分散粒剂在机直播稻“播喷同步”机械除草新技术中的应用[J].黑龙江农业科学,2018,(07):54-57.[doi:10.11942/j.issn1002-2767.2018.07.0054]
　ZHANG Jian-ping,ZHU Xiao-qun,TANG Wei,et al.Application of 33% Metazosulfuron WG with a New Weed Mechanical Control Measure of Synchronous Seeding and Spraying Herbicides by Rice Direct Seeding Machine[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(07):54-57.[doi:10.11942/j.issn1002-2767.2018.07.0054]
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33%嗪吡嘧磺隆水分散粒剂在机直播稻“播喷同步”机械除草新技术中的应用

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2018年07期 页码: 54-57 栏目: 出版日期: 2018-07-10
Title:
Application of 33% Metazosulfuron WG with a New Weed Mechanical Control Measure of Synchronous Seeding
and Spraying Herbicides by Rice Direct Seeding Machine
作者:
张建萍1; 朱晓群2; 唐伟1; 于晓玥1; 陆永良1
1.中国水稻研究所 水稻生物学国家重点实验室，浙江 杭州 310006；2.海盐县农业技术推广中心，浙江 嘉兴 314300
Author(s):
ZHANG Jian-ping1; ZHU Xiao-qun2; TANG Wei1; YU Xiao-yue1; LU Yong-liang1
1.State Key Laboratory of Rice Biology,China National Rice Research Institute，Hangzhou,310006,China; 2.Agricultural Technology Extension Center of Haiyan County，Jiaxing 314300,China
关键词:
水稻机械化生产; 除草剂; 出苗率; 杂草防效; 安达星
Keywords:
mechanized rice production;  herbicides;  seedling emergence rate;  weed control efficiency;  metazosulfuron
DOI:
10.11942/j.issn1002-2767.2018.07.0054
文献标志码:
A
摘要:
为解决机直播水稻田草害重、防治难的问题，研究了33%嗪吡嘧磺隆水分散粒剂在机直播田“播喷同步”机械除草新技术中的应用效果。结果表明：机械施药20 d后，33%嗪吡嘧磺隆水分散粒剂有效成分84.2或99.0 g?hm-2处理对水稻出苗没有影响，与未施药对照比出苗率为96.2%。施药48 d后，99.0 g?hm-2处理，对稗草、阔叶草和莎草植株的密度和鲜重防效达98%以上，降低除草剂剂量15%后，对杂草防效没有显著降低，仍为优良水平。表明33%嗪吡嘧磺隆水分散粒剂采用机直播稻“播喷同步”机械除草技术在水稻生产中应用前景良好。
Abstract:
In order to solve the problem of weed damage and difficult control in direct seeding rice fields,33% metazosulfuron WG was applied with a new weed control measure of synchronous seeding and spraying herbicides.The results showed that there was no negative influence on the rice seedling emergence rate after 20 d in mechanical herbicide application.The rice seedling emergence rate was respectively 96.2% at 20 days after treatment of 84.2 or 99.0 g?hm-2 metazosulfuron WG，when it was compared with untreated control.The weed control efficiency of Echinochloa crus-galli,Cyperus difformis and broad-leaf weed were up to 98% at 48 d by 99.0 g?hm-2 metazosulfuron WG.There was no significant decrease of weed plant density and fresh weight control efficiency after 15% herbicide dosage was dropped.It suggested that there was a better control for weed when 33% metazosulfuron WG was applied with the weed mechanical control measure of synchronous seeding and spraying herbicides by rice direct seeding machine.

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备注/Memo

收稿日期：2018-03-21基金项目：国家重点研发计划资助项目（2017YFD0201305-4）；科技部重点研发专项资助项目（2016YFD0200801）；国家水稻产业技术体系资助项目(CARS-01)；中国农业科学院科技创新工程病虫草害防控技术创新团队资助项目。第一作者简介：张建萍（1973-），女，博士，副研究员，从事杂草防治研究。E-mail：nkzhang_jp@163.com。通讯作者：陆永良（1964-），男，硕士，副研究员，从事杂草防治研究。E-mail：luyongliang@caas.cn。

更新日期/Last Update: 2018-10-31