摘要
为了探索50eel唑啉草酯防除冬大麦田荫草最佳用量和时期，采用50e,m唑啉草酯EC（爱秀）900～2400mL／hm：4个用量进行小区试验，防除冬大麦田荫草。结果表明最佳施药时间为葫草3-4叶期，大麦4～5叶期，此时施药防除效果最好，4个用量防效均达到97％以上。50g／L唑啉草酯zc（爱秀）对麦田藕草具有较好的防治效果，显著优于对照药剂69g／L精嗯唑禾草灵Ew（大彪马）及人工除草。在大麦4～5叶期，藕草3~4叶期时施药，当用量达到900-1200mL／hm^2，防效可达到97％以上。50g／L唑啉草酯EC（爱秀）用于冬大麦田蘸草防除没有观察到对田间节肢动物的不良影响，对大麦安全，没有产生药窖。
The study aim was to explore the optimal dose and application time of pinoxaden in the control of Phalaris arundinacea in barley field. In the plot experiments, four doses （from 900 to 2400 mL/hm^2） of pinoxaden （50 g/L） EC was applied for the control of P. arundinacea in barley field. The optimal application time of pinoxaden was 3-4 leaf stage of P. arundinacea and 4-5 leaf stage of barley. In this stage of P. arundinacea, the control efficacy of four doses was all more than 97%. The 50 g/L pinoxaden exhibited excellent efficacy to P. arundinacea, and the efficacy was better than that of the 69 g/L fenoxaprop-p-ethyl and manual weeding. In 4-5 leaf stage of barley and 3-4 leaf stage of P. arundinacea, when the pinoxaden was applied at the dose from 900 to 1200 mL/hm^2, the efficacy for controlling P. arundinacea could be more than 97%. There was no harmful effect to other arthropods in field, and it was safe to barley.
出处
《中国农学通报》
2015年第17期86-89,共4页
Chinese Agricultural Science Bulletin
关键词
唑啉草酯
精噁唑禾草灵
大麦
藕草
pinoxaden
fenoxaprop-p-ethyl
barley
Phalaris arundinacea
