欢迎访问《中国农学通报》,

中国农学通报 ›› 2003, Vol. 19 ›› Issue (1): 91-91.

所属专题: 水稻

• 目次 • 上一篇    下一篇

贵州粳稻育种选育目标初探

余本勋 张时龙   

  • 出版日期:2003-02-25 发布日期:2003-02-25

APPROACH of JAPANCA RICE BREEDING SEED SELECTION AIM on GUIZHOU

YU Ben-xun ZHANG Shi-long   

  • Online:2003-02-25 Published:2003-02-25

摘要: 利用1987~1993、1998~2001年贵州省粳稻区域试验资料,通过对高产品种全生育期、株高、有效穗、穗粒数、结实率、千粒重等指标进行综合分析,以此确定贵州粳稻育种最佳选育目标,为指导贵州粳稻育种提供参考和借鉴。结果表明:贵州粳稻育种综合选育目标为全生育期165~170d,株高95~105cm,公顷有效穗270.1~350万,每穗总粒数100~140粒,结实率80%以上,千粒重25~27g。

关键词: 盐分, 盐分, 有机质, 相关性分析, 不同种植作物土壤, 伽师县

Abstract: by integrated analyse growth period, spacing high, effective ear, grain weight, seed rate, ect, aim high crop breed, so that ascertain japanca rice breeding seed best selection aim, and direct Guizhou japanca rice breeding seed afford reference, exploit Guizhou province japanca rice area experiment data. The result indicate that Guizhou japanca rice breed seed’s aim: growth period 165~170d,spacing high 95~105cm, effective ear 0.2701~0.350 million/hm2, each ear grain 100~140, seed rate 80% upward, and kilo grain weight 25~27 gram.