优质高产抗病杂交稻天优290的选育

Breeding of indica hybrid rice Tianyou 290 with fine grain quality,high yielding and resistance to blast

天优290是广东省农科院水稻研究所利用不育系天丰A与优质恢复系广恢290配组育成的优质高产抗病早晚兼用型杂交稻新组合。该组合具有品质优、丰产性突出、高抗稻瘟病、生育期适中、制种产量高等优点,2005年3月通过了广东省农作物品种审定。

Tianyou 290, developed from the crcvss of sterility Tianfeng A and restorer Guanghui 290 by the Rice Research Institute of Guangdong Academy of Agricultural Sciences, is a new indica hybrid rice combination for early or late cropping season. It had characteristics of fine grain quality, high yield, resistance to rice blast, suitable maturity, wide adaptability and high seed production. It was registered and released for commercial use in Guangdong province in March,2005.