The results showed that there were positive correlations between the yield and HI, grain weight per plant, number of grains per panicle, seed seting percentage,grain density.

• 结果表明:产量与收获指数、单株粒重、每穗实粒数、结实率、着粒密度,收获指数与着粒密度、单位面积颖花生产力成正相关;