]*>","")" /> Analysis on Controlling Weed in Cotton Field Covered by Mulching Film with 48; Trifluralin EC in Xinjiang

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Analysis on Controlling Weed in Cotton Field Covered by Mulching Film with 48; Trifluralin EC in Xinjiang

QIANG Song;WEI Jian-hua;JIA Yu-hua;MA Dong-mei;Ayinuer   

  • Received:2006-06-25 Revised:2006-06-25 Online:2006-06-25 Published:2006-06-25

48;氟乐灵EC防除新疆地膜棉田杂草效果研究

羌松;魏建华;贾玉华;马东梅;阿依努尔   

  1. 新疆农业大学农学院,新疆乌鲁木齐,830052;昌吉州植保植检站,新疆昌吉,832000

摘要: 研究表明,地膜棉田膜内杂草较膜外杂草种群数量多,生长量大,北疆地区早春气温偏低,膜内温度增高的灭草作用有限,除草剂播种前土壤处理是有效控制地膜内杂草的优良措施.地膜棉田播前施用48;氟乐灵EC 1 125~1 687.5 mL/hm2 可有效控制狗尾草、稗草、反枝苋、灰藜等杂草,药后第45 d对膜内杂草株防效和鲜重防效分别达94.7;~98.6;和 93.9;~98.3;,对膜外杂草株防效和鲜重防效分别达78.0;~86.5;和83.7;,对地膜内杂草的防效优于对地膜外杂草的效果,对棉花较为安全.