摘要:
天优2075是用强恢复系福恢2075与三系不育系天丰A配组而成的三系中籼杂交水稻新品种。该品种具有群体整齐、熟期转色好、丰产、稳产性好、制种产量高等特点。2013年通过国家农作物品种审定委员会审定。福恢2075是2003年春季在海南用恢复系制8做母本,与航1号杂交,2003年秋季用其F1做父本与蜀恢527杂交,后代在稻瘟病重发区自然诱发筛选,经多年多点加代定向培育而成。本文介绍了该品种的选育过程、特征特性等。
Abstract:
The variety of hybrid rice,Tianyou 2075 was developed between crossing the high quality 3-line male sterile Tianfeng A and the restorer line,Fuhui 2075.The hybrid rice variety,Tianyou 2075 exhibited some good characteristics including uniformity population,good color exchange during mycelium ripening,high-yield,stable yiled,ecological adaptabilities and high seed yield.The variety was certified by National Crop Variety Evaluation Committe in 2013.The restore line,Fuhui 2075 was bred by crossing Zhi 8as the female parent with Hang 1in Sanya,Hainan in the Spring,2003.The F1 derived from the combination was crossed with the male parent,Shuhui527 in the Fall,2003.Then its progenies were repeatedly cultivated in the rice-blast-infected filed to ensure cultivar stability.The bred procedures and some characteristics of the variety Tianyou 2075 were described in the paper.
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