籼型三系杂交晚稻中熟组合荣优华占的选育

Breeding of three-line indica hybrid late rice cooked combination of the Rong excellent Chinese accounting

荣优华占是以荣丰A为母本与华占配组而成的籼型三系杂交稻新组合。2010~2011年参加江西省晚稻区试,2年平均产量7 560.15 kg/hm2,比对照天优998增产3.59%。2010~2011年生产试验,2年平均产量7 447.9 kg/hm2,比对照天优华占平均增产2.57%。全生育期平均125.9 d。2012年4月通过江西省农作物品种审定。介绍了该组合的选育过程、特征特性及栽培技术要点。

Rong-hua was a three-line indica hybrid rice combination with Rongfeng as the female parent and Huazhan. It was participated in regional test of late rice in Jiangxi province, 2-year average yield was 7 560.15 kg/hm2, increasing 3.59% compared with the control Tianyou 998 in 2010--2011. 2-year average yield of 7 447.9 kg/hm2 in the 2010--2011 production test, increasing 2.57% compared with the control Tianyou Huazhan. average Whole growth period of it was 125.9 d. This variety was approved by Jiangxi province Crop Variety Approval Committee in April 2012. The article described the breeding, test characteristics and cultivation techniques points of this combination.