47%异隆·丙·氯吡可湿性粉剂对沭阳县水稻田杂草防效及安全性评价  

Efficacy and Selectivity of Halosulfuron-methyl·Pretilachlor·Isoproturon 47% WP in Paddy Fields in Shuyang County

作　　者：王飞兵 陈士祥 石旭旭 贺建荣 王红春[4] WANG Fei-bing;CHEN Shi-xiang;SHI Xu-xu;HE Jian-rong;WANG Hong-chun(Plant Protective Station of Shuyang County,Shuyang 223600,China;Agricultural Technology Extension Center of Shuyang County,Shuyang 223600,China;Jiangsu Agricultural Means of Production Group Agrochemical,Nanjing 211100,China;Institute of Plant Protection,Jiangsu Academy of Agricultural Sciences,Nanjing 210014,China)

机构地区：[1]江苏省沭阳县植物保护站,江苏沭阳223600 [2]江苏省沭阳县农业技术推广中心,江苏沭阳223600 [3]江苏省农业生产资料集团农用化学有限公司,江苏南京211100 [4]江苏省农业科学院植物保护研究所,江苏南京210014

出　　处：《杂草学报》2018年第2期57-62,共6页Journal of Weed Science

基　　金：国家重点研发计划(编号:2016YFD0200503-4)

摘　　要：为筛选施用适期宽、适应性广、安全高效的除草剂新品种,通过大田示范验证47%异隆·丙·氯吡可湿性粉剂在江苏省沭阳县水稻旱直播田、机插秧田、手插秧田适期适量施用对杂草的防效及对水稻的安全性。结果表明,47%异隆·丙·氯吡可湿性粉剂在旱直播水稻播后苗前或立针期以2 100 g/hm^2喷雾处理、在机插秧水稻移栽3 d前以1 050 g/hm^2粗喷雾法处理结合移栽7 d后以1 050 g/hm^2毒肥法处理、在手插秧水稻移栽6 d后以1 050 g/hm^2毒土法处理对江苏省沭阳县稻田稗属杂草、马唐、千金子、丁香蓼、异型莎草等杂草的株防效和鲜质量防效均高于91%,且对水稻安全。Field experiments were carried out to investigate the efficacy and selectivity of halosulfuron-methyl·pretilachlor·isoproturon 47%wettable powder(WP)in dry direct-seeded rice field,mechanized transplanting rice field,and artificial transplanted rice fields in Shuyang County of Jiangsu Province.The formulated mixture was safe to the rice when sprayed at 2100 g/hm 2 before seedling and during vertical needle period after dry direct-seeding of rice at 1 050 g/hm 2 before and after mechanized transplanting,and at 1 050 g/hm 2 after artificial transplanting in paddy fields.The foliage-control effect and the fresh-weight control effect of the mixture were above 90%,including for Echinochloa spp.,Leptochloa chinensis,Digitaria sanguinalis,Ludwigia prostrata,and Cyperus spp.

关 键 词：47%异隆·丙·氯吡可湿性粉剂 水稻旱直播田 水稻机插秧田 水稻手插秧田 杂草防效 安全性 

分 类 号：S451[农业科学—植物保护]