论文部分内容阅读
以复配制剂30%氯氟吡氧乙酸·烟嘧磺隆·莠去津可分散油悬浮剂为供试药剂,以对应的3种单剂为对照,进行田间施药试验,测定供试药剂处理对玉米田杂草的防除效果。在玉米苗后3~4叶期、杂草2~3叶期使用30%氯氟·烟·莠分散油悬浮剂茎叶喷雾,药后15、35 d调查,制剂用量82.5、100、165 m L/667m2处理对玉米田反枝苋、藜和狗尾草的株防效和鲜重防效均在95%以上,可有效防除上述杂草,且对夏玉米安全,并有一定增产效果。
The compound formulations of 30% flurbiprofen acetic acid / Nicosulfuron / Atrazine dispersible oil suspension agent for the test agent, the corresponding three kinds of single agent as a control, field application test to determine the test agent Control of corn field weed control effect. Spraying stems and leaves of 30% chlorofluoro tobacco smoke and soil dispersible oil dispersions in 2-3 leaf stages of maize seedlings were sprayed at the 3rd to 4th leaf stage of maize and the dosage was 82.5,100,165 m L / 667m2 treatment on the corn field Amaranthus retroflexus, pigweed and Setaria viridis control efficacy and fresh weight control efficiency of more than 95%, which can effectively control the weeds, and summer maize safety, and have a certain yield.