烟草甲对20种植物材料及其提取物的选择反应

Selection responses of Lasioderma serricorne adults to 20 plant materials and their corresponding extracts

在室内测定了烟草甲对20种植物材料及其提取物的选择反应.结果表明,成虫对千里香粉、辛夷粉和红花椒粉等调味料及其提取物的趋性最强,最高反应指数分别达60.00%,37.78%,37.78%和44.44%,37.78%,35.56%.芥子粉、八角粉和川姜粉及其提取物表现出一定的驱避作用.

Selection response of Lasioderma serricorne adults to 20 plant materials and their corresponding extracts were detected in laboratory. The results of selection response bioassay showed that the adults were significantly attracted to powder and their extracts of plant spices, Murraya paniculata, Flos magnoliae and Zanthoxylum bungeanum,the highest response index were 60.00% ,37.78% ,37.78% and 44.44% ,37.78% ,35.56% respectively. The powder and their extracts of Brassica nigr, lUicium verum and Zingiber otticinalis had certain repellent effect.