不同播种量对临麦4号产量和干物质积累及分配的影响

吕广德, 殷复伟, 孙盈盈, 钱兆国, 徐加利, 李宁, 薛丽娜, 吴科

Effects of Different Seeding Rates on Yield, Dry Matter Accumulation and Distribution of Linmai 4

Guangde Lü, Fuwei Yin, Yingying Sun, Zhaoguo Qian, Jiali Xu, Ning Li, Lina Xue, Ke Wu

表2 不同播种量对临麦4号产量结构和收获指数的影响

Table 2 Effects of different seeding rates on yield structure and harvest index of Linmai 4

年份 Year 播种量 Seeding rate (kg/hm2) 基本苗 Basic seedling (×104/hm2) 穗数 Number of spike (×104/hm2) 穗粒数 Kernels per spike 千粒重 1000-grain weight (g) 产量 Yield (kg/hm2) 收获指数 Harvest index (%) 2015-2016 75 145.05e 459.0c 48.9a 49.13a 8 704.98bc 53.76b 150 282.15d 494.8bc 45.4b 48.46b 9 326.22a 56.67a 225 422.55c 561.6ab 42.5c 47.30c 8 727.71b 54.08b 300 611.55b 586.8a 42.3d 45.28d 8 674.68bc 53.48b 375 699.00a 594.7a 38.3e 45.10e 8 341.33c 53.10b 2016-2017 75 118.95e 452.5d 48.4a 45.29a 8 660.75bc 54.44b 150 211.50d 483.0c 45.6b 44.30b 9 406.82a 56.98a 225 378.00c 518.9b 43.4c 41.32c 8 933.78b 55.58ab 300 512.55b 571.9a 40.9d 39.42d 8 600.43cd 54.17b 375 643.05a 581.2a 32.8e 38.22e 8 349.62d 54.11b