【摘要】 以两个华系品种渝1.57A为测验种,分别与14个日系种测交,然后测定各杂交型式的配合力,同时计算中1×日1,中1×日2、中2×日1、中2×日2四个杂交型式的平均成绩来估算杂交组合的生产性能,与实测值综合判断品种组合的生产性能,从中选出优良组合进行鉴定。结果,按选育种目标要求从中选出了一个综合性状优良的组合,同时测算和观察出了一些某项性状特别优良组合作为进一步筛选鉴定的杂交组合。更多还原

【Abstract】 Two silkworm varieties of Chinese race,Yu 1 and 57A as the testing varieties, crossed with 14 Japanese race silkworm varieties respectively and tested the combining ability of different combining types,then to calculate the average rearing achievement of the different combining types,C1×J1 ,C1×J2,C2×J1 and C2×J2,which compared with the combining ability to evaluate the production ability of different types and select the excellent combinations.A comprehensive excellent combining type was selected according to breeding target.Furthermore, some combining types with excellent performance in certain aspect were found for further identification.更多还原