沿江双季稻北缘区机插早稻的超高产群体特征

朱铁忠,柯健,姚波,陈婷婷,何海兵,尤翠翠,朱德泉,武立权

Super-High Yield Characteristics of Mechanically Transplanting Double- Cropping Early Rice in the Northern Margin Area of Yangtze River

ZHU TieZhong,KE Jian,YAO Bo,CHEN TingTing,HE HaiBing,YOU CuiCui,ZHU DeQuan,WU LiQuan

表1 水稻主要农学参数的方差分析

Table 1 Analysis of variance of main agronomic parameters of rice

变异来源 Source 实际产量 Actual yield 日产量 Daily yield 收获指数 Harvest index 成熟期干物质积累量 Dry matter accumulation at maturity stage 抽穗期叶面积指数 Leaf area index at heading stage 年份 Year (Y) 22.03** 11.8** 1.2ns 0.1ns 0.2ns 品种 Variety (V) 37.73** 106.6** 1.1ns 22.7** 33.2** 年份 × 品种 Y×V 1.02ns 1.4ns 1.0ns 1.2ns 1.3ns