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甘薯茎线虫病(Dity lenchus destructor)在我国北方薯区发生最重,一般危害薯块可减产1～5成,严重的绝产。我们于1981～1991年对我单位现存的国内外主要甘薯品种资源进行了抗茎线虫病鉴定,旨在筛选抗源,以供育种利用。
Sweet potato stem nematode disease (Dity lenchus destructor) occurred in the northern part of China’s potato area, the general hazards of potato blocks can be reduced by 1 to 5 percent, a serious abortion. In 1981-1991, we identified the anti-stem nematodes from the existing resources of our country’s major sweetpotato varieties at home and abroad to screen for resistance sources for breeding use.