我省是怎样抓好杂交水稻种子质量的

• 作 者: 胡少奇
• 机 构: 湖南省种子管理站 长沙 410005
• 出 处: 种子世界
• 发表日期: 1997年12期
• 关键词: 杂交水稻种子 亲本种子 增产优势 杂交一代 种子生产 种植总面积 常规稻 原种生产 田间检验 提纯复壮

湖南省种植水稻每年在6000万亩以上,常年推广杂交稻3800～4000万亩,占水稻种植总面积60%以上。因此,杂交稻种子质量的好坏直接关系到我省粮食的增产增收,关系到农民的切身利益和社会的安定。杂交水稻在我省配套、试种和推广20多年来,成功与否,关键在于种子的质量,杂交一代种子的增产优势取决于亲本种子的纯度。当一个杂交水稻品种(组合)一旦经审定通过,允许推广后,其亲本种子的提纯复壮工作应紧跟上去,而生产杂交一代种子的不育系必须摆在提纯工作的首位,其次是保持系、恢复系,注

Hunan annually grows more than 60 million mu of paddy rice and 3800-40 million mu of hybrid rice annually, accounting for more than 60% of the total paddy planting area. Therefore, the quality of hybrid rice seed is directly related to the increase of grain yield in our province, relates to the vital interests of farmers and social stability. The key to the success or failure of hybrid rice matching, testing and popularizing in our province for more than 20 years is the quality of the seeds. The superiority of yield of the hybrid seed depends on the purity of the parental seed. Once a hybrid rice variety (combination) has been approved for approval, allowing the popularization and rejuvenation of its parental seed should be followed up, and the sterile line of hybrid generation of seed must be placed in the top of the purification work, followed by the maintenance of the Department , Restore system, note