摘要
研究结果表明:0.3%印楝素与20%三唑磷混配剂-楝唑乳油对稻纵卷叶螟、三化螟具有防效高、速效性持效性好的特点 ;印楝素和阿维菌素混合有一定的防效和持效性,但速效性差 ;印楝素单用速效性差、防效低,但持效性较好;在水稻露穗5%时喷施楝唑乳油2625ml/ hm2,15d后对四代稻纵卷叶螟的防效达95%、20d后对三代三化螟的防效达100%。
The studied result indicate that the compound of azadirachtin emulsion(0.3%) and triazophos(20%) has not only high control efficiency but also preferable quickly available and lasting available to rice leaf roller, paddy Borer. Compared other kinds of pesticides, its control efficiency is more significant. The compound (2625ml/ ha) of azadirachtin emulsion and triazophos was sprayed at the beginning(5%)rice breach. The control efficiency is 95% to the forth generation rice leaf roller after 15 days and 100% to the third generation paddy Borer after 20 days without chemical injury to rice.
出处
《农药》
CAS
北大核心
2004年第10期472-473,共2页
Agrochemicals
关键词
印楝素
混配剂
稻纵卷叶螟
三化螟
防治效果
azadirachtin emulsion, compound, rice leaf roller, paddy Borer, control efficiency
