同化物积累与分配对冬小麦小花发育成粒的影响及密度调控效应

柳东亮, 王雅群, 黄琴, 王鹏月, 张鸿雁, 房琴, 李瑞奇

Effects of Accumulation and Distribution of Assimilates on Floret Development and Grain Set of Winter Wheat and the Regulatory Effect of Density

Liu Dongliang, Wang Yaqun, Huang Qin, Wang Pengyue, Zhang Hongyan, Fang Qin, Li Ruiqi

表2 不同密度处理下冬小麦的单株茎干物质积累量

Table 2 Stem dry matter accumulation per plant of winter wheat under different density treatments mg

蘖位 Tiller position 处理 Treatment 生长时期Growth period W6.5 W7.5 W8.5 W9.5 W10 O D180 480.58a 747.47a 787.47a 999.83a 1054.00a D300 449.76a 625.00b 700.40b 870.70b 923.30b D420 368.58b 520.20c 688.56b 857.13b 927.90b D540 378.16b 536.06c 667.30b 709.20c 816.87c Ⅰ D180 346.24a 552.33a 625.21a 797.30a 937.63a D300 353.15a 440.60b 491.97b 693.30b 812.59b D420 246.00b 341.67c 476.78b 583.86c 798.26b D540 202.89b 313.04c 472.11b 549.05c 732.00c Ⅱ D180 353.69a 483.63a 574.98a 769.06a 911.97a D300 309.67b 414.52a 474.14b 597.63b 731.18b D420 187.81c 286.50b 453.00b 548.58b 715.17b D540 164.77c 267.98b 446.13b 519.93b 692.50b