方峰, 周洁成, 梁元耀, 叶一强, 赖开平, 孙果宋, 宁红. 2011: 73%2甲4氯钠·莠灭净·敌草隆WP防除蔗田杂草药效试验. 南方农业学报, 42(10): 1225-1228. DOI: 10.3969/j.issn.2095-1191.2011.10.013
引用本文: 方峰, 周洁成, 梁元耀, 叶一强, 赖开平, 孙果宋, 宁红. 2011: 73%2甲4氯钠·莠灭净·敌草隆WP防除蔗田杂草药效试验. 南方农业学报, 42(10): 1225-1228. DOI: 10.3969/j.issn.2095-1191.2011.10.013
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FANG Feng, ZHOU Jie-cheng, LIANG Yuan-yao, YE Yi-qiang, LAI Kai-ping, SUN Guo-song, NING Hong. 2011: Effects of 73% mixed MCPA-Na, ametryn and diuron WP on controlling weeds in sugarcane field. Journal of Southern Agriculture, 42(10): 1225-1228. DOI: 10.3969/j.issn.2095-1191.2011.10.013
Citation: FANG Feng, ZHOU Jie-cheng, LIANG Yuan-yao, YE Yi-qiang, LAI Kai-ping, SUN Guo-song, NING Hong. 2011: Effects of 73% mixed MCPA-Na, ametryn and diuron WP on controlling weeds in sugarcane field. Journal of Southern Agriculture, 42(10): 1225-1228. DOI: 10.3969/j.issn.2095-1191.2011.10.013
shu

73%2甲4氯钠·莠灭净·敌草隆WP防除蔗田杂草药效试验

Effects of 73% mixed MCPA-Na, ametryn and diuron WP on controlling weeds in sugarcane field

    摘要
  • 摘要: 目的测定73%2甲4氯钠·莠灭净·敌草隆WP对甘蔗田杂草的防除效果,确定其最佳用药量.方法设73%2甲4氯钠·莠灭净·敌草隆WP 876、1314、1752、2628 a.i.g/ha和56%2甲4氯钠SP 840 a.i.g/ha、80%莠灭净WP1440 a.i.g/ha、80%敌草隆WP 1440 a.i.g/ha,以及清水对照,药后20、40d调查药剂对杂草的防效.结果药后20、40 d,73%2甲4氯钠·莠灭净·敌草隆WP对杂草的总体株防效、鲜重防效均超过90.00%,在876~2628 a.i.g/ha剂量下均可有效防除大多数蔗田单、双子叶杂草,防效优于56%2甲4氯钠SP 、80%莠灭净WP和80%敌草隆WP单剂.结论73%2甲4氯钠·莠灭净·敌草隆WP可有效防除大多数蔗田杂草,且对甘蔗安全,推荐用量为1314~1752 a.i.g/ha.

     

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