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根据BT型早熟中粳不育系爱知香A的特征特性,总结了利用“混合株行分半冷藏法”提纯亲本,全程质量监控防杂保纯;合理安排花期,稀播、多栽、“超前搁田”,合理基蘖肥加重施保花肥,防病治虫保健栽培以创建双强群体和合理的穗粒结构;巧用“九二○”调花,弹拨穗层打散母本穗型改善受粉姿态,垂直行向行走竹竿抢赶花粉来提高异交结实率等高产繁殖技术和经验。
According to the characteristics of BT type early maturing middle-aged Japonica CMS line Aizhixiang A, the method of “mixed-line semi-freezing method” was used to purify the parent, Ahead of the rest field “, a reasonable base tiller fertilizer Shi Shi Baohuafei, disease prevention and insect pest health cultivation to create Shuangqiang groups and reasonable grain structure; clever use” 920 " Improve powdery attitude, vertical walking bamboo to grab pollen to improve the outcrossing rate and other high yield breeding techniques and experience.