【摘要】 本文介绍了水稻杂种优势利用中两用核不育系选育，籼粳亚种间配组，以及广亲和性研究和细胞质雄性不育的分子遗传学研究，基因工程研究中的基因转移，ＲＦＬＰ和基因文库构建；细胞工程研究中的原生质休培养体细胞无性系变异，突变体筛选，籼稻花药培养，和愈伤组织低温保存等方面的新发展。更多还原

【Abstract】 The thesis has introduced the latest advances in selection of dual-purpose genie male sterile lines, combination making between indica and japonica varieties, the study of wide compatibility and moleiuular genetic research of CMS in the exploration of rice heterosis; gene transfer and RFLP and gene library construction in the gene engineering of rice; and protoplast culture, somaclonal variation, selection of variants in vitro, anther culture. of indica rice and preservation of callus under low temperature in rice cell engineering as well.更多还原