谷子萌发期耐盐种质筛选及其保护酶系统对盐胁迫的响应

秦岭,张艳亭,陈二影,杨延兵,黎飞飞,管延安

Screening for Germplasms Tolerant to Salt at Germination Stage and Response of Protective Enzymes to Salt Stress in Foxtail Millet

Ling QIN,YanTing ZHANG,ErYing CHEN,YanBing YANG,FeiFei LI,YanAn GUAN

表1 萌发期盐胁迫下谷子各性状的变化范围及变异系数

Table 1 Coefficient and variation of each character of different millet varieties under salt stress

指标 Index 变化范围 Variation range 平均值 Mean 变异系数 Coefficient of variance 相对发芽势 Relative germination potential(%) 0.00—74.57 14.24 100.27 相对发芽率 Relative germination rate(%) 3.81—93.77 36.15 56.96 相对胚芽长 Relative coleoptile length(%) 8.66—59.48 24.45 36.33 相对胚根长 Relative radical root length(%) 4.52—33.62 9.83 47.64 相对根芽比 Relative radical root / coleoptiles(%) 19.83—105.46 41.67 35.88 相对盐害率 Relative salt damage rate(%) 6.33—96.19 63.85 32.25