Jieyou 8 is a new three-line indica hybrid rice combination from restorer line Jiehui 1 and the CMS line J8A. The combination has the characteristics of strong disease resistance,excellent rice quality, good integrated traits,wide adaptability,tidy plant, stability and high and stable yield. In the 2005-2006 regional test of Chongqing, its average yield was 8 598. 15 kg/hmz ,and the yield was 6. 79% higher than II you 838CCK). It was approved by the Chongqing Crop Variety Approval in 2007( Yu 2007004 Rice Trial) and was introduced by the Guizhou Crop Variety Approval in 2008 (Qian 2008011 Rice Trial). The combination can be planted as medium rice in rice regions and the same ecological areas with an elevation of less than 800 m.%杰优8号是用高异交率优质不育系J8A与自育恢复系J恢1号配制的新组合,该组合具有抗病性强、米质较优、综合性状好、适应性广、植株整齐、性状稳定、高产稳产等特性,2005-2006年2年区试平均产量8598.15 kg/hm2,较对照Ⅱ优838增产6.79％.2007年通过重庆市农作物品种审定委员会审定(渝审稻2007004号),2008年通过贵州省引种认定(黔引稻2008011号).该组合适宜于海拔800m以下的稻区作一季稻栽培种植.
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