西方蜜蜂(Apis mellifera)不同蜂种及其杂交组合采粉力研究

A Study on the Pollen Collecting Ability of a Few Races of Apis mellifera and their Crossbreeds

“浙农大 1号”意蜂 (A .m .ligusticaEa)分别与喀尼鄂拉蜂 (A .m .carnica)、卡尔巴阡蜂 (A .m .carpati ca)、高加索蜂 (A .m .caucasica)、乌克兰蜂 (A .m .acervorum)、东北黑蜂 (A .m .spp .)进行正反杂交组配。在山东玉米花期 ,考察这 6个西方蜜蜂蜂种及 10个正反杂交组合的 95个试验蜂群的蜂花粉生产性能 ,分析杂交一代的杂种优势。结果表明 ,K是 6个纯种中蜂花粉产量最高的蜂种 ,Ea位居第二 ,Ea×D是所有纯种和杂交组合中蜂花粉产量最高的蜂种 ,是培育蜂花粉高产组合的蜂种。杂交组合Ea×D和W×Ea的蜂花粉生产性能具有明显的杂种优势 ,其杂种优势率分别达到 49.5 %和 2 1.1%,其他

Purebreds of 'ZND No.1' Italian bee (A. m. ligustica Ea), A. m. carnica, A. m. carpatica, A. m. caucasica, A. m. acervorum, A. m. spp. and their 10 crossbreeds were used in an experiment to investigate their productivity of pollen. The pollen producing ability of 95 experimental colonies were determined during the flowering period of corn in Shandong Province and the heteroses of crossbreeds were also analyzed. The results indicated that the purebred K had the highest production of pollen in the purebreds. Ea×D and W×Ea had positive heterosis-effects of pollen production and the rates of heterosis-effects were 49.5% and 21.1% respectively. There were negative heterosis-effects in the other crossbreeds except Ea×D and W×Ea.