粳杂8优161系上海农科院用8204Ａ/Ｒ161育成的粳杂新组合,桐乡市自1995年起扩种,表现优势、抗性强,产量高、米质好,增产增效显著。1997年与1998年实种面积分别达到800ｈｍ2与1320ｈｍ2,两年调查平均产量每公顷为9381ｋｇ与9366ｋｇ,比当地主栽品种增产10%左右,最高田块产量达10 Japonica hybrid rice 8 You 161 is a new japonica hybrid combination bred by the Shanghai Academy of Agricultural Sciences with 8204A / R161. Tongxiang has expanded its production since 1995, demonstrating its advantages of strong resistance, high yield, good quality of rice and significant increase of yield and efficiency. In 1997 and 1998, the actual plant area reached 800hm2 and 1320hm2, respectively. The average annual output of the survey in two years was 9381kg and 9366kg, an increase of about 10% over that of the main cultivated land and the highest yield of 10