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1 不同密度处理下冬小麦的单株穗干物质积累量

Table 1 Spike 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 16.62a 102.90a 140.00a 273.70a 334.70a D300 14.33ab 76.20b 102.33b 238.30b 292.93b D420 10.33b 51.00c 93.52b 225.50b 283.73b D540 9.94b 48.58c 90.80b 165.50c 236.97c Ⅰ D180 10.56a 75.77a 95.50a 211.97a 299.60a D300 10.32a 35.55b 57.37b 183.20b 231.88b D420 4.58b 22.25c 43.77c 124.81c 227.13b D540 3.42b 21.15c 42.76c 110.59c 197.82c Ⅱ D180 9.16a 49.77a 83.66a 203.58a 276.76a D300 6.77b 32.94b 46.10b 156.38b 208.43b D420 3.10c 19.33c 39.17c 116.33c 184.81bc D540 1.11d 17.61c 37.93c 109.12c 166.75c