两个感病亲本和四个抗病亲本及它们正反交第一代的棉种粗提液对兔血红细胞的凝集力测定,结果表明:凝集力与抗枯萎病性存在相关现象。凝集力的强弱反映出棉花杂种第一代抗枯萎病能力介于两亲之间并偏向母本。 Two susceptible parents and four parents of the disease-resistant parents and their first generation of cotton seed crude extract of rabbit red blood cells agglutination determination, the results show that: the cohesion and resistance to Fusarium nature of the phenomenon. The strength of cohesion reflected that the first generation of cotton hybrids had the ability of resistance to Fusarium wilt among the parents and biased towards the female parent.