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本文报道了以不同品种为亲本的36个杂交组合的早实性等8个状状的遗传规律。结果表明,早实性,果实成熟期,果重,果形,果肉色泽和石粒细胞属于数量性状遗传,杂种有广泛而连续的分离,表明梨在杂交和实生繁殖下经济性状衰退和趋中变异的普遍现象;果实皮色和抗锈病性属于质量性状遗传,控制皮色遗传的基因除R和H外,还受其它辅助基因的影响,抗病受显性基因所控制,但控制该性状的基因不只一对。证实西洋梨品种是抗性基因纯合体,而杂种西洋梨品种为杂合体。
In this paper, we report the genetic regularity of 8 characters such as early maturity of 36 hybrid combinations with different varieties as their parents. The results showed that early maturity, fruit maturity, fruit weight, fruit shape, flesh color and gravel cells were inheritance of quantitative traits, and hybrids had extensive and continuous segregation, indicating that the economic traits of hybrid pear Variation of the common phenomenon; fruit skin color and rust resistance belong to the quality of genetic inheritance, genetic control of skin color in addition to R and H gene, but also by other helper genes, disease resistance dominant genes control, but the trait More than one pair of genes. Pear cultivars were confirmed to be homozygous for the resistance gene, while the hybrid Pear varieties were heterozygous.