摘要
在西昌为害蚕豆的斑潜蝇主要有南美斑潜蝇[Liremyza huidobrensis(Blanchard)]和美洲斑潜蝇(L.satiuae Blanchard),据近几年调查资料表明,田间植株受害率可达95%,单株叶片被害率可达72%(以叶面积计)。斑潜蝇发生为害已严重影响本区蚕豆生产。本试验结果表明,用20%绿宝素乳油3000倍液2.5%的功夫乳油6000倍液以及用20%绿宝素乳油3000倍液与2.5%的功夫乳油6000倍液轮流交替使用均有较好的防效。
Blanehards which damage broadbean in Xichang are Liremyza huidobrensis blan- chard and L.Satildasc blanchard.Their damages have seriously influenced the broadbean production in this area.Our experiment result has shown that these damages can be con- trolled by Lubaoshuruyou and Lambda-cyhalothrin.
