论文部分内容阅读
为了探讨防除水稻移栽田杂草的有效药剂,对氟酮磺草胺200g.L-1悬浮剂在寒地水稻移栽田的除草效果以及安全性进行了研究。结果表明:氟酮磺草胺200g.L-1悬浮剂在水稻移栽后1d土壤处理施药,对水稻生长安全,可有效防除水稻移栽田一年生禾本科、阔叶及莎草科杂草,施药后45d总株防效大于94%,总鲜重防效大于96%,适宜用量以有效成分24～30g.hm-2为宜。
In order to explore the effective control of weeds in transplanting paddy fields, the effect and safety of flucetulaselan 200g.L-1 as a suspending agent in transplanting paddy field in cold area were studied. The results showed that the floxulam 200g.L-1 was applied to the soil one day after transplanting, which was safe for rice growth and could effectively control annual gramineous, broadleaf and sedge weeds , 45 d after the application of the total plant control effect is greater than 94%, the total fresh weight control effect is greater than 96%, the appropriate amount of active ingredients 24 ~ 30g.hm-2 is appropriate.