25%噁草酮·西草净乳油防除水稻田杂草试验效果  

Control Efficacy of Oxadiazon·Simetryn 25% EC on the Weeds in Transplant Rice Field

作　　者：林丽 李真 

机构地区：[1]丹东市农药总厂,辽宁丹东118009

出　　处：《农药》2017年第12期926-927,共2页Agrochemicals

摘　　要：[目的]明确25%噁草酮·西草净EC对移栽水稻田田间杂草的防除效果及安全性。[方法]插秧前4~6 d,瓶洒法施药,测定不同剂量对移栽水稻田田间杂草的防治效果及对水稻的安全性。[结果]综合15、30 d调查结果,各处理对水稻田间杂草的平均株防效和鲜质量防效均达84%以上。[结论]25%噁草酮·西草净EC 693.75~825.00 g a.i./hm2用于防除移栽水稻田田间杂草,效果好且对水稻安全。[Aims] The aim was to investigate the control efficacy of oxadiazon·simetryn 25% EC on weed in transplant rice field and the safety on rice. [Methods] The control efficacy of different doesages of oxadiazon·simetryn 25% EC on weed in transplant rice field and the safety on rice were studied by the method of spraying at 4-6 d before the transplanting. [Results] The average plant control efficacies and fresh mass control efficacies at 15 and 30 d after treatment were all above 84%. [Conclusions] The oxadiazon ·simetryn 25% EC with the recommended dosage of693.75-825.00 g a.i./ha had good control efficacy on transplant rice field and good safety on rice.

关 键 词：噁草酮 西草净 水稻移栽田 杂草 防除效果 

分 类 号：S451.21[农业科学—植物保护]