水分胁迫对不同小麦幼苗期生长的影响及抗旱品种筛选

傅晓艺, 王红光, 刘志连, 李东晓, 何明琦, 李瑞奇

Effects of Water Stress on Growth of Different Wheat Varieties at Seedling Stage and Selection of Drought Resistant Varieties

Fu Xiaoyi, Wang Hongguang, Liu Zhilian, Li Dongxiao, He Mingqi, Li Ruiqi

表2 不同抗旱性小麦干物质积累对干旱胁迫的响应

Table 2 Response of dry matter accumulating to drought stress in different drought-resistant wheat varieties

品种 Variety CK2 15% PEG 6000 单株茎干重 Shoot dry weight per plant (g) 单株根干重 Root dry weight per plant (g) 根冠比 Root-shoot ratio 单株茎干重 Shoot dry weight per plant (g) 单株根干重 Root dry weight per plant (g) 根冠比 Root-shoot ratio 济麦22 JM22 0.85±0.02ghi 0.41±0.02efg 0.48 0.55±0.01d 0.35±0.01def 0.64 石新828 SX828 0.87±0.02gh 0.45±0.01def 0.52 0.60±0.01d 0.31±0.01fg 0.52 河农825 HN825 0.96±0.03ef 0.47±0.02cd 0.49 0.55±0.01d 0.34±0.02ef 0.62 石麦26 SM26 1.20±0.02a 0.59±0.01a 0.49 0.88±0.03ab 0.45±0.02ab 0.51 衡4399 H4399 1.00±0.01de 0.47±0.01cd 0.47 0.69±0.03c 0.36±0.02de 0.52 衡0628 H0628 1.21±0.04a 0.53±0.02b 0.44 0.84±0.02b 0.41±0.02bc 0.49 冀麦418 JM418 1.12±0.04b 0.56±0.01ab 0.50 0.92±0.01a 0.46±0.01a 0.50 藁优5766 GY5766 0.74±0.02j 0.33±0.02h 0.45 0.56±0.02d 0.27±0.01g 0.48 尧麦16 YM16 1.07±0.03bcd 0.60±0.02a 0.56 0.93±0.02a 0.45±0.01ab 0.48 晋麦47 JM47 1.09±0.02bc 0.51±0.02bc 0.47 0.88±0.02ab 0.39±0.01cd 0.44 科农1006 KN1006 0.81±0.02hij 0.39±0.02g 0.48 0.69±0.02c 0.34±0.01ef 0.49 石麦22 SM22 0.92±0.02fg 0.51±0.02bc 0.55 0.74±0.02c 0.41±0.01bc 0.55 冀麦325 JM325 0.79±0.02ij 0.46±0.02cde 0.58 0.72±0.03c 0.35±0.01def 0.49 藁优2018 GY2018 1.02±0.02cde 0.40±0.01fg 0.39 0.73±0.01c 0.36±0.02de 0.49