外源生长调节物质对甜高粱种子萌发过程中盐分胁迫的缓解效应及其生理机制
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朱广龙,宋成钰,于林林,陈许兵,智文芳,刘家玮,焦秀荣,周桂生
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Alleviation Effects of Exogenous Growth Regulators on Seed Germination of Sweet Sorghum under Salt Stress and Its Physiological Basis
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Guang-Long ZHU,Cheng-Yu SONG,Lin-Lin YU,Xu-Bing CHEN,Wen-Fang ZHI,Jia-Wei LIU,Xiu-Rong JIAO,Gui-Sheng ZHOU
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表10 盐分胁迫下不同生长调节物质对甜高粱种子离子含量的影响
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Table 10 Effect of different types of exogenous growth regulator on ions content of sweet sorghum under salt stress
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盐分浓度 Salt concentration (mmol L-1) | 生长调节物质 Exogenous growth regulator | 离子含量 Ions content (mg g-1) | Na+ | K+ | Ca2+ | Mg2+ | 0 | 0 | 2.85 a | 1.96 c | 0.15 d | 0.50 c | | KT | 2.57 b | 1.99 c | 0.18 b | 0.62 a | | GA3 | 2.56 b | 2.03 b | 0.18 b | 0.53 b | | SA | 2.22 c | 2.08 b | 0.16 c | 0.53 b | | GABA | 2.09 d | 2.13 a | 0.20 a | 0.54 b | | 平均值Mean | 2.55 | 2.04 | 0.17 | 0.54 | 50 | 0 | 3.70 a | 1.88 c | 0.12 c | 0.47 d | | KT | 3.47 b | 1.96 b | 0.14 b | 0.55 a | | GA3 | 3.36 c | 1.99 ab | 0.14 b | 0.49 c | | SA | 3.24 d | 2.04 a | 0.14 b | 0.51 bc | | GABA | 3.12 e | 2.03 a | 0.16 a | 0.52 b | | 平均值Mean | 3.38 | 1.98 | 0.14 | 0.51 | 100 | 0 | 4.75 a | 1.87 c | 0.11 c | 0.46 d | | KT | 4.61 b | 1.97 ab | 0.12 b | 0.52 a | | GA3 | 4.50 c | 2.00 a | 0.13 a | 0.48 b | | SA | 4.34 d | 1.93 b | 0.12 b | 0.47 c | | GABA | 4.23 e | 1.96 ab | 0.12 b | 0.47 c | | 平均值Mean | 4.49 | 1.95 | 0.12 | 0.48 | 150 | 0 | 5.83 a | 1.80 d | 0.09 d | 0.43 c | | KT | 5.47 c | 1.85 c | 0.10 c | 0.47 a | | GA3 | 5.21 d | 1.95 a | 0.12 a | 0.45 b | | SA | 5.65 b | 1.89 b | 0.10 c | 0.45 b | | GABA | 5.17 d | 1.93 ab | 0.11 b | 0.46 ab | | 平均值Mean | 5.47 | 1.88 | 0.10 | 0.45 |
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