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针对两系法杂交水稻生产中迫切需要解决光温敏不育系不育起点温度漂变的问题,结合多年两系法杂交水稻育种经验和光温敏核不育系C815S原种生产实践,提出了水稻光温敏核不育系株系育性鉴定保纯法原种生产技术,阐述了单株选择、田块选择和季节安排、大田栽培管理、育性鉴定、冷水串灌、再生繁殖、收种等关键技术措施。
In order to solve the problem of the temperature drift of the photo-thermo-sensitive genic male sterile (CMS) line in the two-line hybrid rice production, combining with the years of experience in breeding two-line hybrid rice and the production of the photo-thermo sensitive genic male sterile line C815S, Rice Photo-thermo-sensitive Genic Male Sterile Line Fertility Identification Purebred original production technology, elaborated single plant selection, field selection and seasonal arrangement, field cultivation and management, fertility identification, cold water string irrigation, regeneration, harvest Seed and other key technical measures.