摘要
采用根部施药防治青桐木虱,是一种行之有效的施药方法,具有操作简便、防治效果高、对环境污染小的特点。树干直径10 cm左右的青桐树,用10%吡虫啉可湿性粉剂4-8 g.株^-1,根际施药或根冠施药,对青桐木虱的防治效果良好,药后5 d相对防效均达90%以上,且持效期较长。
Adopting roots chemical to prevent Thysanogyna limbata Enderlein is an effective method.It is simple,high-effect and little pollution to the environment.The trunk diameter about 10 cm of Firmiana simplex,which could use imidacloprid 10% WP 4～8 g per strain,rhizosphere application or root cap application were effective in controlling Thysanogyna limbata Enderlein.5 days after application relative efficacy could reach 90%,and duration could be longer.
出处
《黑龙江农业科学》
2009年第6期79-80,共2页
Heilongjiang Agricultural Sciences
关键词
青桐木虱
吡虫啉
根际施药
根冠施药
Thysanogyna limbata Enderlein
imidacloprid
rhizosphere application
root cap application
