滑桃树种子的美登素类对小菜蛾的拒食作用  

ANTIFEEDANT EFFECT OF MAYTANSINOIDS FROM THE SEEDS OF TREWIA NUDIFLORA ON INSECT PESTS

作　　者：柯治国[1] 南玉生[1] 卢令娴[1] 李炳钧[1] 

机构地区：[1]中国科学院武汉植物研究所,中国科学院昆明植物研究所

出　　处：《武汉植物学研究》1994年第2期181-184,共4页Journal of Wuhan Botanical Research

摘　　要：从云南省西双版纳的滑桃树（ＴｒｅｗｉａｎｕｄｉｆｌｏｒａＬ．）种子中分离得到的特利回升（Ｔｒｅｗｉａｓｉｎｅ）、特利奴定（Ｔｒｅｎｕｄｉｎｅ）和特利福洛林（Ｔｒｅｆｌｏｒｉｎｅ）等３个美登素化合物对小菜蛾（Ｐｌｕｔｅｌｌａｘｙｌｏｓｔｅｌｌａ）有强烈的拒食作用，５０ｐｐｍ拒食效果分别为７１．５％、８６．７１％、８７．３７％；特利奴定１０ｐｐｍ对小菜蛾的拒食效果为５７．７％；滑桃树种子的０．５％乙醇抽提物的拒食效果为６８．５％。Maytansinoids including Trewiasine,Trenudine and Treflorine isolated from the seeds of Trewia nudiflora L.have strong antifeedant effect on Plutella xylostella(Linnaeus).71.5%, 86.71% and 87.37% of the antifeedant efficiency were obtained by using 50ppm of them,respectively.10ppm Trenudine has 57.71% antifeedant efficiency on Plutella xylostella and 0.5% alcohol extracts has 68.5% effect.

关 键 词：滑桃树 美登素类 化合物 小菜蛾 

分 类 号：Q949.753.5[生物学—植物学]