西藏3份垂穗披碱草耐旱性评价

周晶, 孙侃, 周忠义, 王传旗, 苗彦军

Evaluation of Drought Tolerance of Three Elymus nutans in Tibet

Zhou Jing, Sun Kan, Zhou Zhongyi, Wang Chuanqi, Miao Yanjun

表5 干旱胁迫对幼苗细胞膜损伤程度的影响

Table 5 Effects of drought stress on cell membrane damage degree of seedlings

材料 Material 指标 Index 干旱胁迫天数Drought stress days 0d 7d 14d 21d Ⅰ号No.Ⅰ REC (μS/cm) 9.67±2.41bB 34.83±5.69aA 42.01±6.37aA 50.22±5.48aA MDA (nmol/g) 3.49±1.16cB 20.95±3.24bAB 35.33±4.31aA 36.32±4.65aA Ⅱ号No.Ⅱ REC (μS/cm) 13.00±2.40cB 31.00±3.35bAB 49.81±5.79aA 62.70±6.39aA MDA (nmol/g) 5.57±1.06bB 30.69±3.84aA 39.28±4.13aA 43.30±5.39aA 巴青垂穗披碱草 REC (μS/cm) 6.40±2.73cB 23.67±4.38bAB 38.28±5.09aA 47.79±5.24aA E.nutans G. cv. Baqing MDA (nmol/g) 2.46±0.71cB 18.61±2.14bAB 23.67±3.69abA 27.96±2.95aA