抗瘟、高产杂交稻新品种广优2643的选育与应用

Breeding and Application of New Hybrid Rice Combination Guangyou 2643 with Resistant Blast and High-yielding

广优2643系福建省三明市农业科学研究所利用自育的三系不育系广抗13A与恢复系明恢2643配组育成的籼型杂交稻品种,具有丰产性好、抗稻瘟病等特点。2009年通过国家农作物品种审定和福建省农作物品种区域性(龙岩)审定。介绍了广优2643的选育经过、主要特征特性、栽培和制种技术要点。

Guangyou 2643, a new hybrid rice combination, was developed by Fujian Sanming Institute of Agricultural Sciences, which was crossed with the own breeding parents -- a CMS line Guangkang 13 A and a restorer line Minghui 2643. It was characterized by high yield and resistant blast. It was released by state and Fujian Longyan in 2009. We introduced its breeding process, main characteristics, key cultivation and hybrid seed production techniques.