不同药剂对稻水象甲成虫和幼虫的防治效果

Control Effects of Different Pesticides on Adult and Larva of Lissorhoptrus oryzophilus

为了筛选出高效、安全的药剂供生产上应用,用10%醚菊酯悬浮剂、氰氟虫腙悬浮剂、阿维.氟酰胺悬浮剂、5%氯虫苯甲酰胺悬浮剂、20%阿维.杀虫单微乳剂和20%丁硫克百威(好年冬)乳油进行稻水象甲成虫、幼虫的防治试验。结果表明:6种药剂都有良好的防治效果,其中以5%氯虫苯甲酰胺悬浮剂和阿维.氟酰胺悬浮剂效果最好,药后15d成虫虫口减退率分别达95.21%和95.08%,成虫防治效果分别达96.23%和96.12%;幼虫虫口减退率分别为88.89%和87.30%,幼虫防治效果分别为92.91%和91.90%。其他药剂可作为防治稻水象甲较为有效的农药配合使用。

10% ethofenprox SC, metaflumizone SC, Acitretin flutolanil SC, 5G Chlorantraniliprole SC, 20% Acitretin Monosultap microemulsion and 20% Carbosulfan EC were tested to study the control effects on adult and larva of L. oryzophilus and to select the efficient and safety pesticides for rice production. The results showed that all tested pesticides had the good control effects on adult and larva of L. oryzophilus but 5% Chlorantraniliprole SC and Acitretin flutolanil SC had the best control effect among six tested pesticides. The adult population decrease rate, adult control effect, larva population decrease rate and larva control effect of 5% Chlorantraniliprole SC and Acitretin flutolanil SC were 95. 21% and 95. 08G, 95. 21% and 95. 08%, 88. 89% and 87. 30%, 92. 91% and 91. 90% after 15 d respectively. Other pesticides can be used to control L. oryzolhilus in rice production either.