文档介绍：浅谈水稻杂交制种技术院系名称: 商丘职业技术学院专业名称: 种子生产与经营年级班别: 2008 级种子植保班姓名: 张树松指导老师: 王俊振 2011 年 4月 16日商丘职院大专毕业论文目录《 1》、题目…………………………………………………第一页《 2》、目录…………………………………………………第二页《 3》、中文摘要及英文摘要………………………………第三页《4 》、杂交水稻制种技术……………………第四页《 6》、总结…………………………………………………第八页《 7》、参考文献……………………………………………第八页。浅谈水稻杂交制种技术张树松(商丘职业技术学院生物工程系河南商丘 476000 ) 摘要: 水稻作为我国主要粮食作物直接关系着人民最基本的生活问题,提高水稻产量是我国经济建设的重中之重。我国于 1973 年实现杂交水稻三系配套后,杂交水稻在我国稻作区推广种植得到迅速发展,现在全国每年种植杂交水稻面积亿公顷,约占全国水稻面积的 50% ,产量占 60% ,为我国粮食生产任做出了巨大贡献。关键词: 雄性不育系(A) 雄性不育恢复系(R) 雄性不育保持系 Hybrid rice seed production techniques Zhangshu Song (Shangqiu vocational technical college biological engineering of shangqiu 476000) Abstract: As Chinas major food crops of rice a direct bearing on peoples basic living problems and improve the rice yield is the top priority of our economic construction. China in 1973, supporting the realization of three-line hybrid rice, the hybrid rice area planted in rice in China have developed rapidly, and now planted every year an area of ? ? millionhectares of hybrid rice, accounting for about 50% of rice area, yield 60%,to any of China grain production has made great cont