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水稻旱直播田全程草害化除技术

Chemical Technology Solutions of the Weed Control During the Whole Growth Period of Dry Direct-Seeded Rice

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以47%氯吡·丙·异可湿性粉剂、20%二氯喹啉草酮悬浮剂2种新除草剂为主,探讨水稻旱直播田全程草害防控技术方案。结果表明,水稻旱直播田47%氯吡·丙·异可湿性粉剂1650 g/hm2水稻播后苗前喷雾处理结合20%二氯喹啉草酮悬浮剂3000 g/hm2+15%乙氧磺隆可湿性粉剂90 g/hm2+10%氰氟草酯乳油1500 g/hm2或20%二氯喹啉草酮悬浮剂3000 g/hm2+75%氯吡嘧磺隆水分散粒剂45 g/hm2+10%氰氟草酯乳油1500 g/hm2水稻4~5叶期喷雾处理,20%二氯喹啉草酮悬浮剂3000 mL/hm2水稻播后苗前喷雾处理结合水稻4~5叶期10%氰氟草酯乳油1800 g/hm2+40%双草醚悬浮剂37.5 g/hm2+75%氯吡嘧磺隆水分散粒剂45 g/hm2喷雾处理对水稻旱直播田杂草综合防效达95%以上,且对水稻安全。
Herbicides for weed control during the entire growth period of dry direct-seeded rice were assessed in a field study.A miture of 47%halosulfuron-methyl · pretilachlor · isoproturon WP (1 650 g/hm2 ) was sprayed at a pre-emergence and then 20%quintrione SC (3 000 g/hm2 ) mixed with 15%ethoxysulfuron WP (90 g/hm2 ) and 10%cy-halofop-butyl EC (1 500 g/hm2 ) or 20% quintrione SC (3 000 g/hm2 ) mixed with 75%halosulfuron-methyl WDG (45g/hm2 ) and 10%cyhalofop-butyl EC (1 500 g/hm2 ) was applied at 4~5 leaf stages of rice.All the above treat-ments provided over 95%weed control efficacy and were safe to rice.

dry direct-seeded rice20%quintrione SC47%halosulfuron-methyl · pretilachlor · isoproturon WPweed controlsafety

李小艳、孙宇、贺建荣、汪亚雄、王红春、娄远来

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南京农业大学植物保护学院,江苏南京210095

江苏省农业科学院植物保护研究所,江苏南京210014

南京农业大学生命科学学院,江苏南京210095

水稻旱直播 20%二氯喹琳草酮 47%氯吡· 丙· 异可湿性粉剂 全程草害防控 安全性

江苏省农业三新工程

SXGC2015293

2015

杂草学报
江苏省杂草研究会 江苏省农业科学院植物保护研究所

杂草学报

CSTPCD
影响因子:0.993
ISSN:1003-935X
年,卷(期):2015.33(4)
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