盐胁迫对膜荚黄芪种子萌发的影响

戈珍梅,刘治国,赵露,张晓宇,刘桂霞

Effects of Salt Stress on Seeds Germination of Astragalus membranaceus

Zhenmei Ge,Zhiguo Liu,Lu Zhao,Xiaoyu Zhang,Guixia Liu

表2 盐胁迫对膜荚黄芪种子的危害程度和其耐盐性

Table 2 Harmfulness and salt tolerance of A. membranaceus seeds under salt stress

盐分 Salinity 浓度(%) Concentration 耐盐指数 Salt tolerance index 盐碱害指数(%) Saline-alkali damage index 耐盐碱程度 Saline-alkali tolerance 耐盐碱等级 Saline-alkali tolerance grade 0.3 41.97 14.00±0.02Ca 高耐 1 Na2CO3 0.6 32.84 32.33±0.01Ba 耐 2 0.9 25.14 48.33±0.03Aa 中耐 3 0.3 55.16 -13.00±0.03Cb 高耐 1 NaCl 0.6 37.15 24.00±0.01Bb 耐 2 0.9 29.91 39.00±0.02Ab 耐 2 0.3 44.37 9.33±0.02Ca 高耐 1 复盐Compound salt 0.6 39.83 18.33±0.01Bc 高耐 1 0.9 31.58 35.00±0.02Ab 耐 2