作　　者： ; ;

机构地区： 江西农业大学农学院

出　　处： 《江西植保》 2000年第1期1-4,共4页

摘　　要： 经蒌蒿提取物处理的菜青虫 Pierisrapae L. 5龄幼虫 ,2 4 h内发生的取食活动和取食间间隔的次数减少 ,平均每次取食活动和取食间隔的时间延长 ;在每次取食活动中 ,用于取食的时间明显减少 ,取食量降低。 Effect of materials extracted from Artemisia selengensis on the feeding behavior of the fifth instar larvae of Pieris rapae L. was studied. The results showed that the temporal feeding patterns of the fifth instar larvae which were treated with materials extracted from Artemisia selengensis were different from those untreated through continual observation for 24 h in the laboratory. The mean length and the net time spent on feeding in a meal, the inter-feeding gap and the intra-feeding gap length, the meanl quantity, the boult numbers and the numbers of the two types of gaps of the larvae treated with meterials extracted from Artemisia selengensis were significantly different from those untreated.

关 键 词： 菜青虫 拒食剂 幼虫 取食行为 萎蒿提取物 取食活动次数 取食内间隔次数

领　　域： [农业科学] [农业科学] [农业科学] [农业科学]