【摘要】 为了提高广东省水稻产业的品质与产量,让优质稻品种优质与高产趋于高水平统一,以高产品种齐粒丝苗为母本,特优质中间材料丰艮占为父本,采用杂交育种的手段,经过系普选育、辅以病区和接种遴选稻瘟病和白叶枯病抗性等育种技术,育成感温型优质常规水稻新品种齐丰占,于2009年通过广东省农作物品种审定。区域试验结果表明,齐丰占于2006、2007两年平均每667 m2产量分别为365.19、360.62 kg,比对照种粤香占减产5.22%和6.81%,米质特优,达国标、省标优质1级。据统计,2009-2012年广东省的种植面积累计超过4万hm2。该品种适宜广东稻区粤北以南的稻作区早、晚造种植。更多还原

【Abstract】 In order to combine and advance quality and yield for Guangdong rice industry,a new variety Qifengzhan was approved by Guangdong approval committee of crop variety in February 2009.It was crossed by Qilisimiao and Fenggenzhan as female and male parents,and was bred by pedigree breeding system and by means of selection of resistance to rice blast and rice bacterial blight with pyramiding breeding approaches in combination with artificial inoculation and stringent phenotypic selections.The results of regional trial(2006-2007) showed that the average yield of Qifengzhan,was 365.19 kg/667m2 and 360.62 kg/667m2,lower than the control Yuexiangzhan,and the results of quality identification showed that the quality of Qifengzhan was excellent.Qifengzhan was suited to plant on south of the Northern Guangdong for early season and late season.更多还原