水稻稻飞虱飞机防治试验初报
Biological Disaster Science(2014)
Abstract
通过田间试验研究解放9型农用飞机喷洒吡蚜酮水分散粒剂和吡蚜酮·醚菊酯悬浮剂对水稻稻飞虱的防治效果.结果表明,飞机喷药雾滴分布均匀,穿透性强,水稻上部叶片平均药滴覆盖密度17.9个/cm2,中部叶片平均为13.5个/cm2.药效调查结果表明,飞机喷洒吡蚜酮水分散粒剂和吡蚜酮·醚菊酯悬浮剂对水稻稻飞虱防治效果好,药后1d虫口减退率达83.06%,药后5d达92.97%以上,药后7d为96.0%.综合该结果,飞机施药适用于水稻稻飞虱的大面积防治.
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