瑞香狼毒和坡柳提取物对小菜粉蝶幼虫的拒食活性测定  

Antifeading Activity Determination of Stellera chamaejasme and Dodonaea viscosa Extracts to Pieris rapae Larvae

作　　者：杨美林[1] 周天雄[1] 顾芳[1] 

机构地区：[1]云南农业大学植物保护学院,云南昆明650201

出　　处：《云南农业大学学报》2003年第4期354-357,共4页Journal of Yunnan Agricultural University

摘　　要：瑞香狼毒乙醇提取物对小菜粉蝶4龄幼虫24h选择拒食作用的拒食中浓度(AFC50)为219.6mg/L;完全拒食作用的AFC50为1246.4mg/L;坡柳乙醇提取物对小菜粉蝶4龄幼虫24h选择拒食作用的AFC50为691.6mg/L,完全拒食作用的AFC50为398.0mg/L.To the fourth instar larvae of Pieris rapae, the Median Antifeeding Concentration (AFC50) of selective antifeeding activity in 24?h for ethanol extracts from Stellera chamaejasma and Dodonaea viscosa was 219.6?mg/L and 691.6?mg/L,while their AFC50 of complete antifeeding activity was 1?246.4?mg/L and 398.0?mg/L respectively.

关 键 词：瑞香狼毒提取物 坡柳提取物 小菜粉蝶 幼虫 拒食活性 拒食中浓度 拒食剂 驱避剂 杀虫剂 

分 类 号：S482.3[农业科学—农药学]