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八优 8号是浙江省农科院作物所与诸暨市种子公司合作育成的粳型杂交水稻新组合 ,2 0 0 2年 3月通过浙江省农作物品种审定委员会审定。表现产量高而稳 ,一般 7 5 0～ 8 2 5t hm2 ,最高达 10 71t hm2 。生育期适中 ,适宜于浙江省晚粳稻地区作双季晚稻或单季晚稻栽培。抗病性好 ,中抗稻瘟病 ,对白叶枯病、细菌性条斑病和稻飞虱的抗性与当前的主栽品种秀水 6 3相仿。其栽培要点为 :适时播种 ;合理密植 ,科学施肥 ;加强病害防治 ,适期收获。
Bayi 8 is a new japonica hybrid rice combination developed by Zhejiang Academy of Agricultural Sciences Crops Institute and Zhuji Seed Company. In March 2002, it was approved by Zhejiang Province Crop Variety Approval Committee. High yield and stable performance, usually 75 ~ 825t hm2, up to 1071t hm2. Moderate growth period, suitable for late japonica rice area in Zhejiang Province as double season late rice or single season late rice cultivation. Resistance to disease is good, moderate blast resistance, resistance to bacterial blight, bacterial leaf streak and planthopper resistance with the current main cultivar Xiushui 6 3 similar. The cultivation points are: timely sowing; reasonable close planting, scientific fertilization; strengthen disease prevention and control, the appropriate harvest.