UV-B胁迫下Ca 2+对颠茄生理特性与次生代谢产物的调控研究
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卢克欢,刘兴,杨怡,廖志华,吴能表
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Effect of Exogenous Ca 2+ on Physiological Characteristics and Secondary Metabolites accumulation of Atropa belladonna L. Seedlings under UV-B Stress
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Ke-Huan LU,Xing LIU,Yi YANG,Zhi-Hua LIAO,Neng-Biao WU
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表3 UV-B胁迫下不同浓度Ca2+对颠茄硝态氮、游离氨基酸和可溶性蛋白含量的影响
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Table 3 Effects of Ca2+ on nitrate nitrogen, free amino acids, and soluble proteins content of Atropa belladonna L. under UV-B stress
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指标
Indicator | 处理组
Group | 处理时间 Treatment time | | 4 d | 8 d | 12 d | 硝态氮
Nitrate nitrogen
(μg g-1 FW) | T0 | 539.543±19.299 b | 545.976±29.480 a | 526.677±29.480 a | | T1 | 693.935±38.598 d | 874.059±58.959 c | 1112.080±40.174 d | | T2 | 610.306±40.174 c | 803.296±29.480 c | 944.822±57.897 c | | T3 | 462.347±19.299 a | 726.100±48.568 b | 874.059±62.038 c | | T4 | 507.378±48.568 ab | 597.440±38.598 a | 783.997±29.480 b | | T5 | 494.512±29.480 ab | 681.069±44.569 b | 861.193±48.568 bc | 游离氨基酸
Free amino acids
(mg g-1 FW) | T0 | 352.269±32.459 e | 329.930±15.145 d | 332.723±14.323 d | | T1 | 225.763±38.646 b | 177.929±25.124 a | 134.465±19.857 a | | T2 | 287.559±33.889 cd | 185.213±25.860 a | 161.661±18.992 ab | | T3 | 313.176±25.550 de | 255.872±30.828 bc | 241.789±24.322 c | | T4 | 251.137±33.889 bc | 286.224±22.980 cd | 264.856±17.015 c | | T5 | 166.153±29.940 a | 221.635±35.763 ab | 194.076±16.096 b | 指标
Indicator | 处理组
Group | 处理时间 Treatment time | | 4 d | 8 d | 12 d | 可溶性蛋白
Soluble proteins
(mg g-1 FW) | T0 | 5.879±0.309 a | 5.681±0.364 ab | 5.570±0.398 c | | T1 | 6.458±0.401 a | 4.953±0.548 a | 3.725±0.430 a | | T2 | 7.901±0.653 bc | 5.736±0.432 ab | 5.264±0.649 bc | | T3 | 9.087±0.399 c | 7.415±0.572 c | 6.953±0.391 d | | T4 | 6.859±0.491 ab | 7.496±0.749 c | 4.358±1.058 ab | | T5 | 5.861±1.526 a | 6.535±1.007 bc | 3.887±0.456 a |
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