摘要
选用石菖蒲4种溶剂提取物与化学防护剂2.5%溴氰菊酯乳油按有效成分的不同比例进行混配,测定各混配剂对玉米象成虫的联合毒力。结果表明:4种提取物与溴氰菊酯混配均有增效作用,最佳配比分别为无水乙醇提取物∶溴氰菊酯=300∶1,丙酮提取物∶溴氰菊酯=150∶1,乙酸乙酯提取物∶溴氰菊酯=300∶1,石油醚提取物∶溴氰菊酯=150∶1;对玉米象的共毒系数分别为771.24、900.17、398.39和541.48。
The joint action of the mixtures of Acorus gramineus Soland. extracts and deltamethrin were studied on Sitophilus zeamais Motschulsky. The results showed that when the ratio of ethanol extract to Deltamethrin was 300 ： 1, the ratio of acetone extract to Deltamethrin was 150 ： 1, the ratio of ethyl acetate extract to Deltamethrin was 300 ： 1 and the ratio of petroleum ether extract to Deltamethrin was 150 ： 1, the co-toxicity coefficient （CTC） of mixtures were the maximum. The CTC were 771.24, 900. 17, 398. 39 and 541.48,resoectivelv.
出处
《华中农业大学学报》
CAS
CSCD
北大核心
2007年第1期46-48,共3页
Journal of Huazhong Agricultural University
基金
国家科技部"十五"重点科技攻关项目(2004BA523B03-02)资助
关键词
石菖蒲
溴氰菊酯
混配剂
共毒系数
Acorus gramineus Soland.
deltamethrin
mixture
co-toxicity coefficient
