本文利用与水稻不同属的菰及美国广亲和爪哇稻(Jefferson)为育种材料,通过花粉管通道法及籼粳亚远缘杂交再复交,对构建的一批水稻优异资源及培育出的水稻新品种进行特征特性、产量、米质及抗性评价,并提出今后水稻育种的思路。 In this paper, we use the different species of rice and American Jefferson as breeding materials, through pollen tube pathway and indica / japonica hybridization, and then reconstruct a batch of rice excellent resources and cultivated rice The new varieties were characterized by characteristics, yield, quality and resistance evaluation, and put forward the idea of ​​future rice breeding.