灌浆期干旱胁迫对不同小麦品种的生理性状与根系生长的影响

薛鑫雨, 詹文博, 陈新宜, 周瑞祥, 王永霞, 薛瑞丽, 李华, 汪月霞, 李艳

Effects of Drought Stress during Grain Filling Period on Physiological and Root Characteristics of Different Wheat Cultivars

Xue Xinyu, Zhan Wenbo, Chen Xinyi, Zhou Ruixiang, Wang Yongxia, Xue Ruili, Li Hua, Wang Yuexia, Li Yan

表3 干旱胁迫对不同品种小麦生物量、千粒重、产量、穗粒数的影响

Table 3 Effects of drought stress on biomass, 1000-grain weight, yield and grain number per spike of different wheat varieties

处理 Treatment 品种 Variety 根干重（g/株） Root dry weight (g/plant) 茎干重（g/株） Stem dry weight (g/plant) 根冠比 Root-shoot ratio 千粒重 1000-grain weight (g) 穗粒数 Grain number per spike 产量 Yield (kg/hm2) 对照CK 郑麦1860 9.01±0.97a 50.01±6.01a 0.18±0.02ab 50.45±0.93a 50±4b 8208.0±50.1a 百农207 8.15±0.99a 50.09±5.10a 0.16±0.01b 42.11±0.62c 58±3a 8068.5±62.3b 周麦18 6.79±0.68bc 45.26±4.20ab 0.15±0.01b 47.84±0.86b 44±3d 7702.3±71.4c 干旱组D 郑麦1860 8.74±0.70ab 41.60±3.10ab 0.21±0.02ab 42.09±0.81c 47±3c 6847.9±43.6d 百农207 7.85±0.71ab 35.70±2.00c 0.22±0.01a 34.02±0.72e 51±2b 6518.4±72.3e 周麦18 5.10±0.57c 30.50±2.80d 0.17±0.01b 38.28±0.95d 38±3e 6163.1±78.8f