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当前位置: 首页 > 文章 > 鸦胆子提取物对菜青虫幼虫取食和生长发育的影响 农药 2006,45 (3) 56-58
Position: Home > Articles > Effect of Brucea javanica extracts on feeding and growth and development of Pieris rapae Larvae Agrochemicals 2006,45 (3) 56-58

鸦胆子提取物对菜青虫幼虫取食和生长发育的影响

作  者：
曾涛;黎柳峰;韦德卫;陈海珊;刘演
单  位：
广西农业科学院植物保护研究所;广西壮族自治区中国科学院广西桂林植物研究所
关键词：
鸦胆子;植物提取物;菜青虫;拒食作用;生长发育抑制作用
摘  要：
测定了鸦胆子沉淀部分(I)、氯仿、乙酸乙酯、正丁醇和水抽提物对菜青虫4龄幼虫的拒食、抑制生长发育和毒杀活性。结果表明,在10mg/ml浓度下,处理24h,除了水提取物活性较低外,沉淀部分(I)、氯仿、乙酸乙酯、正丁醇抽提物对菜青虫4龄幼虫的拒食率和生长抑制率均在80%以上。处理48h,除鸦胆子氯仿抽提物对菜青虫4龄幼虫的拒食活性仍然保持高活性,拒食率达95.50%外,沉淀部分(I)、乙酸乙酯、正丁醇抽提物活性的拒食率和生长抑制率有所降低,均在60%￣75%之间。处理5d后,氯仿和乙酸乙酯抽提物的幼虫死亡率均为100%,化蛹率均为0,而水提取物与对照一样。
译  名：
Effect of Brucea javanica extracts on feeding and growth and development of Pieris rapae Larvae
作  者：
ZENG Tao1, LI Liu-feng1, WEI De-wei1, CHEN Hai-shan2, LIU Yan2(1.Guangxi Academy of Agricultural Science, Nanning 530007, Guangxi, China; 2. Guangxi Institude of Botany, Guangxi ZhuangzuAutonomous Region and Academia Sinica, Guilin 541006, Guangxi, China )
关键词：
Brucea javanica; plant extracts; Pieris rapae; antifeeding effect; inhibition of growth and development
摘  要：
Antifeeding, inhibition of growth and development, and insecticidal toxicity on 4th instar larvae of Pierisrapae were determined for precipitate fraction 1, chloroform, ethylacetate, n-butyl alcohol, and water extracts ofBrucea javanica. Treatment for 24 h with a 10 mg/ml concentration provided >80% antifeeding and growth inhibitionfor fraction 1, chloroform, ethylacetate, and n-butyl alcohol extracts, with the water extract showing the lowestbiological activity. After 48 h of treatment, the chloroform extract provided a strong antifeeding activity of 95.50%,while antifeeding and growth inhibition activity of the other extracts were reduced and were between 60 and 75%. After5 d of treatment, the larval death rate and pupation rate of the chloroform and ethylacetate extracts were 100 and 0%,respectively, while larval death rate and pupation rate of the water extracts were equivalent to the untreated check.

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