【摘要】 毛白杨树皮内含物对光肩星天牛抗性的探讨王蕤，巨关升，秦锡祥（中国林业科学研究院林业研究所北京１０００９１）关键词杨树，抗性，酚酸，酚甙光启星天牛（ＡｎｏｐｌｏｐｈｏｒａｓｌａｂｒｉｐｅｎｎｉｓＭｏｔｓｈ．）对杨树危害严重，受害的树种多，涉及的地域广，...更多还原

【Abstract】 To study the resistance of the chemicals which are contained in the bark of Populus tomentosa Cars.To Anoplophora glabripennis Motsh,the quantity of amino acid,suger,phenolic acid and phenolic gluconside were examined in comparition with P.alba L.It has been found that some phenolic acid and phenolic gluconside are related to the insect resistance of Populus.Populin is worth being further studied for its insect resistance. Besides,the resistance of white poplar and others were discussed here.更多还原