不同钙浓度对宽叶雀稗幼苗的生长和抗性生理的影响
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赵鑫,王文娟,王普昶,黄莉娟,赵丽丽
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Effects of different calcium concentrations on growth and physiology of Paspalum wettsteinii seedlings
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ZHAO Xin,WANG Wen-Juan,WANG Pu-Chang,HUANG Li-Juan,ZHAO Li-Li
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表3 不同CaCl2浓度对宽叶雀稗幼苗叶绿素含量的影响(平均值±标准误差)
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Table 3 Effects of different CaCl2 concentrations on the chlorophyll content of Paspalum wettsteinii seedlings (mean ± SE)
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叶绿素
Chlorophyll (chl)
(mg·g-1) | CaCl2浓度
CaCl2 concentrations
(mmol·L-1) | 时间处理 Time treatment (d) |
|---|
| 7 | 14 | 21 | 28 |
|---|
| Chl a (mg·g-1) | 0 | 3.81 ± 0.34Aa | 4.41 ± 0.19Aab | 3.65 ± 0.32Aa | 2.43 ± 0.06Aabc | | 5 | 4.38 ± 0.34ABa | 4.57 ± 0.20Aab | 3.75 ± 0.13ABa | 2.74 ± 0.31Bab | | 25 | 5.23 ± 0.15Aa | 5.00 ± 0.19Aa | 4.34 ± 0.11Aa | 3.20 ± 0.19Aa | | 50 | 4.08 ± 0.16Aa | 4.03 ± 0.13Aab | 2.89 ± 0.12ABab | 2.47 ± 0.13Bab | | 100 | 3.46 ± 0.13Aa | 3.33 ± 0.11Aab | 2.48 ± 0.08Aab | 2.20 ± 0.07Abc | | 200 | 2.26 ± 0.04Aa | 2.06 ± 0.14Ab | 1.94 ± 0.24Ab | 1.72 ± 0.11Ac | | Chl b (mg·g-1) | 0 | 1.06 ± 0.08Aab | 1.24 ± 0.03Aa | 1.41 ± 0.06Aab | 1.26 ± 0.04Aa | | 5 | 1.33 ± 0.05Aa | 1.71 ± 0.09Aa | 2.05 ± 0.07Aa | 1.67 ± 0.02Aa | | 25 | 1.19 ± 0.06Aa | 1.57 ± 0.03Aa | 1.75 ± 0.03Aab | 1.59 ± 0.02Aa | | 50 | 1.12 ± 0.10Aab | 1.31 ± 0.06Aa | 1.74 ± 0.02Aab | 1.45 ± 0.06Aa | | 100 | 0.87 ± 0.06Aab | 1.20 ± 0.06Aa | 1.38 ± 0.09Ab | 1.23 ± 0.12Aa | | 200 | 0.65 ± 0.04Bb | 1.13 ± 0.09Aa | 1.20 ± 0.06Ab | 0.84 ± 0.13ABa | | Chl a+b (mg·g-1) | 0 | 4.74 ± 0.47Aabc | 5.92 ± 0.15Aab | 6.48 ± 0.24Aab | 5.00 ± 0.30Aab | | 5 | 5.95 ± 0.09Aa | 7.09 ± 0.08Aa | 7.85 ± 0.31Aa | 6.51 ± 0.17Aa | | 25 | 5.44 ± 0.17Aab | 6.23 ± 0.37Aab | 7.23 ± 0.17Aab | 5.77 ± 0.32Aab | | 50 | 4.65 ± 0.17Aabc | 5.55 ± 0.35Aab | 6.19 ± 0.59Aab | 5.04 ± 0.33Aab | | 100 | 3.69 ± 0.38Bbc | 5.05 ± 0.46Abc | 5.37 ± 0.18Aab | 4.74 ± 0.15Ab | | 200 | 3.08 ± 0.65Bc | 3.78 ± 0.77ABc | 4.24 ± 0.18Ab | 3.15 ± 0.15Bc |
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