【摘要】 金优990是安顺市农业科学院水稻研究所用安恢990与金23A配组育成的高产早熟三系杂交水稻新组合,经贵州省2011—2012年2年区域试验鉴定,金优990平均单产9 886.8kg/hm2,比对照香早优2017增产8.4%;生产试验平均单产7 763.7kg/hm2,比对照香早优2017平均增产6.73%。稻瘟病抗性鉴定为中感,抗冷性鉴定为强,明显优于对照香早优2017。2014年7月通过贵州省农作物品种审定委员会审定(黔审稻2014009号),适宜贵州中、高海拔稻区种植。更多还原

【Abstract】 Jinyou 990 is a new triple hybrid rice combination with early maturity and high yield derived from the cross between Anhui 990 and Jin 23 A by Rice Researcher Institute of Anshun Academy of Agricultural Sciences.The mean yield of Jinyou 990 was 9 886.8kg/hm2,8.4% higher than the control Xiangzaoyou 2017 in the regional test evaluation in Guizhou during 2011-2012.In production test evaluation,the mean yield was 7 763.7kg/hm2,6.73% higher than the control Xiangzaoyou.Identification of the resistance to rice blast was moderate susceptibility,the cold resistance identification was strong,which was better than Xiangzaoyou 2017.Jinyou 990,which was suitable for planting in high and middle attitude areas in Guizhou,was examined and approved through Guizhou Crops Variety Examination and Approval Committee in July,2014.更多还原