粳稻光敏二系杂交水稻“云光８号”是用湖北光敏核不育“Ｎ５０８８ｓ”ד云恢１１号”配组选育而成。１９９４、１９９５年在姚安县海拔１８８７ｍ地区结合多蘖壮秧、少本稀植、测土施肥等措施进行数公顷连片示范，每公顷单产皆超过１２０００ｋｇ。１９９５年七组对比试验，“云光８号”比主栽常规种增产１３５％。 Japonica rice hybrid rice “Yun-Guang 8” is a light-sensitive nuclear sterile Hubei “N5088s” × “Yunhui 11” with breeding. In 1994 and 1995, a few hectares of contiguous demonstration were set up in the area of ​​Yao 1887m at an altitude of 1887m with few tillers, sparse planting and soil testing and fertilization. The yield per hectare was more than 12000kg. In 1995, seven groups of comparative experiments, “Yun Guang 8” than the main varieties of conventional production increased 13  5%.