Abstract This paper carried out principal components and cluster analysis of 8 main fruit characters from119 bottle gourd germplasm resources.The results showed that Shannon-Weaver diversity information index was between 0.394 8 - 2.063 6.There were wide genetic diversities in 8 fruit characters,among them fruit shape,peel color and single fruit weight had the most abundant genetic diversities.The results of principal components analysis showed that the first,second,third and fourth principal component contribution rates were 37.24%,23.33%,14.71% and 9.44%,respectively and their cumulative contribution rate reached 84.72%.The results of cluster analysis indicated that 119 materials of bottle gourd germplasm resources could be divided into 2 groups,including 62 and 57 germplasm resources,respectively.The first group had better quality and appearance,and could be used as basic material for breeding of bottle gourd.
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