摘要
采用5%噻虫嗪水乳剂防治稻飞虱田间药效试验。结果表明,5%噻虫嗪水乳剂有效成份用量为15.00、11.25、7.50 g/hm2对稻飞虱的防治效果均显著优于对照药剂25%噻虫嗪水分散粒剂有效成份用量7.5 g/hm2,药后第1天防效高达90.34%,药后第3天防效高达95.03%,药后第7天防效高达92.43%,且在试验作物上未见药害发生。
The rice planthopper was treated with 5% Thiamethoxam Concentrate Emulsion in the field, and the results showed this agricultural chemical when applied to control rice planthopper at the effective composition content of 15g/hm, 11.25g/hm, 7.Sg/hm all had a highly control efficiency than the control pesticides 25% Thiamethoxam water dispersible granule of 7.5g/hm, the control effects were as high as 90.34%, 95.03 %, 92.43% at The first, third and seventh days after spraying, no damages to the treated litchi trees were found caused.
出处
《热带农业科学》
2011年第6期18-20,共3页
Chinese Journal of Tropical Agriculture
关键词
稻飞虱
5%噻虫嗪水乳剂
防治
rice planthopper
5% Thiamethoxam concentrate emulsion
control
