Beaufort,a tolerant cultivar could decrease the density of nematodes and the eggs in the soil as well,but the nematode disease of the cucumber was severe compared with the control.

• 抗性砧木Beaufort也能显著地降低土中根结线虫和卵的密度,但下茬黄瓜根结线虫的危害与对照相比没有显著差异。