扑草净与噁草酮混配的联合作用测定及混用配方筛选

Jilin Agricultural Sciences(2015)

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Abstract
本文用孙云沛方法测定了扑草净与噁草酮混配的联合毒力作用,利用盆栽试验的方式,以球茎繁殖的野慈姑为靶标,采用二因素五水平正交旋转组合设计的方法筛选了二者混用的最佳配方.结果表明:扑草净与噁草酮混用具有增效作用,对球茎繁殖野慈姑1:0.9配比具有明显增效作用;最佳用量范围为:扑草净(361.05 ~ 440.325 g a.i./hm2)+噁草酮(340.7 ~ 393.5 g a.i./hm2);扑草净与噁草酮混用对球茎繁殖野慈姑防效的最佳配方为:扑草净(440.325 g a.i./hm2)+噁草酮(393.5 g a.i./hm2),对野慈姑的防效为82.33%;二者任意配比混用均无拮抗作用.
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Key words
mixed formula,oxadiazon,combined effect,prometryn
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