Chin J Plant Ecol ›› 2010, Vol. 34 ›› Issue (9): 1117-1124.DOI: 10.3773/j.issn.1005-264x.2010.09.012
• Research Communications • Previous Articles
JIN Qing1, JIANG Hong1,2,*(), YU Shu-Quan1, YIN Xiu-Min1
Received:
2009-11-12
Accepted:
2010-01-22
Online:
2010-11-12
Published:
2010-10-08
Contact:
JIANG Hong
JIN Qing, JIANG Hong, YU Shu-Quan, YIN Xiu-Min. Effects of acid rain stress on gas exchange and chlorophyll fluorescence of Castanopsis sclerophylla seedlings[J]. Chin J Plant Ecol, 2010, 34(9): 1117-1124.
Fig. 1 Annual variation of chlorophyll relative content on Castanopsis sclerophylla seedlings under different acid rain treatments (mean ± SE). Bars with different letters are significantly different at p = 0.05 level.
Fig. 2 Photosynthesis-light response curves of Castanopsis sclerophylla seedlings under different acid rain treatments. A, B, C, D, E, F, the photosynthesis-response curves of Castanopsis sclerophylla seedlings under different acid rain treatments in April 2007, July 2007, October 2007, April 2008, July 2008 and October 2008. Pn, photosynthetic rate; PPFD, photosynthetic photon quanta flux density.
Fig. 3 Annual variation of stomatal conductance (Gs) on Castanopsis sclerophylla seedlings under different acid rain treatments (mean ± SE). Notes see Fig. 1.
Fig. 4 Annual variation of maximal photochemical efficiency of photosystem II (Fv/Fm) (A) and potential activity of photosystem II (Fv/F0) (B) on Castanopsis sclerophylla seedlings under different acid rain treatments (mean ± SE).
时间 Date | 处理 Treatment | 光补偿点 LCP (μmol·m-2·s-1) | 光饱和点 LSP (μmol·m-2·s-1) | 最大净光合速率Amax (μmol·m-2·s-1) | 表观光合量子效率AQY (μmol·m-2·s-1) | 暗呼吸速率 Rd (μmol·m-2·s-1) |
---|---|---|---|---|---|---|
200704 | pH 2.5 | 9.8 ± 0.31b | 129 ± 5.2b | 4.79 ± 0.23a | 0.049 4 ± 0.001 4a | -0.77 ± 0.06a |
pH 4.0 | 15.6 ± 0.53a | 157 ± 6.7b | 6.70 ± 0.57a | 0.036 1 ± 0.002 9b | -1.26 ± 0.12b | |
pH 5.6 | 20.6 ± 0.71a | 248 ± 12.5a | 5.86 ± 0.49a | 0.046 2 ± 0.003 8a | -1.23 ± 0.11b | |
200707 | pH 2.5 | 25.5 ± 0.18a | 182 ± 13.5c | 9.65 ± 0.24a | 0.056 3 ± 0.003 4a | -1.41 ± 0.11a |
pH 4.0 | 31.9 ± 3.30a | 261 ± 22.8b | 12.3 ± 1.43a | 0.053 4 ± 0.002 3a | -1.68 ± 0.25a | |
pH 5.6 | 28.7 ± 0.58a | 370 ± 17.3a | 13.8 ± 1.71a | 0.045 4 ± 0.005 4a | -1.61 ± 0.26a | |
200710 | pH 2.5 | 16.1 ± 1.50b | 112 ± 10.7a | 5.87 ± 0.18b | 0.065 3 ± 0.007 0a | -0.56 ± 0.06a |
pH 4.0 | 27.7 ± 1.54ab | 146 ± 13.8a | 7.91 ± 0.54a | 0.056 0 ± 0.004 6b | -0.89 ± 011ab | |
pH 5.6 | 32.7 ± 3.97a | 148 ± 10.5a | 8.52 ± 0.33a | 0.067 0 ± 0.003 1a | -1.39 ± 0.12b | |
200804 | pH 2.5 | 7.7 ± 0.11b | 129 ± 2.5a | 6.52 ± 0.64a | 0.061 7 ± 0.005 0a | -0.43 ± 0.01a |
pH 4.0 | 13.4 ± 0.17a | 143 ± 12.8a | 8.22 ± 0.10a | 0.058 3 ± 0.001 1a | -0.47 ± 0.04ab | |
pH 5.6 | 14.5 ± 0.51a | 160 ± 14.0a | 7.05 ± 0.90a | 0.044 7 ± 0.003 6b | -0.68 ± 0.02b | |
200807 | pH 2.5 | 13.6 ± 0.81b | 158 ± 17.3b | 6.88 ± 0.86b | 0.050 5 ± 0.005 6a | -0.63 ± 0.06a |
pH 4.0 | 26.6 ± 1.15a | 238 ± 13.8a | 7.94 ± 0.40ab | 0.038 6 ± 0.003 4a | -0.99 ± 0.12ab | |
pH 5.6 | 26.7 ± 2.48a | 248 ± 12.3a | 11.1 ± 0.71a | 0.050 6 ±0.001 7a | -1.34 ± 0.10b | |
200810 | pH 2.5 | 17.0 ± 1.31b | 174 ± 15.5b | 5.69 ± 0.42b | 0.037 0 ± 0.003 5b | -0.61 ± 0.06a |
pH 4.0 | 21.6 ± 2.38a | 190 ± 11.6ab | 7.77 ± 0.52a | 0.045 9 ± 0.000 6a | -0.99 ± 0.08ab | |
pH 5.6 | 34.8 ± 1.70a | 230 ± 15.6a | 5.85 ± 0.19b | 0.031 3 ± 0.002 0b | -1.41 ± 0.07b |
Table 1 Photosynthesis-light response curves characteristic parameter values of Castanopsis sclerophylla seedling under different densities acid rain treatments (mean ± SE) (p = 0.05)
时间 Date | 处理 Treatment | 光补偿点 LCP (μmol·m-2·s-1) | 光饱和点 LSP (μmol·m-2·s-1) | 最大净光合速率Amax (μmol·m-2·s-1) | 表观光合量子效率AQY (μmol·m-2·s-1) | 暗呼吸速率 Rd (μmol·m-2·s-1) |
---|---|---|---|---|---|---|
200704 | pH 2.5 | 9.8 ± 0.31b | 129 ± 5.2b | 4.79 ± 0.23a | 0.049 4 ± 0.001 4a | -0.77 ± 0.06a |
pH 4.0 | 15.6 ± 0.53a | 157 ± 6.7b | 6.70 ± 0.57a | 0.036 1 ± 0.002 9b | -1.26 ± 0.12b | |
pH 5.6 | 20.6 ± 0.71a | 248 ± 12.5a | 5.86 ± 0.49a | 0.046 2 ± 0.003 8a | -1.23 ± 0.11b | |
200707 | pH 2.5 | 25.5 ± 0.18a | 182 ± 13.5c | 9.65 ± 0.24a | 0.056 3 ± 0.003 4a | -1.41 ± 0.11a |
pH 4.0 | 31.9 ± 3.30a | 261 ± 22.8b | 12.3 ± 1.43a | 0.053 4 ± 0.002 3a | -1.68 ± 0.25a | |
pH 5.6 | 28.7 ± 0.58a | 370 ± 17.3a | 13.8 ± 1.71a | 0.045 4 ± 0.005 4a | -1.61 ± 0.26a | |
200710 | pH 2.5 | 16.1 ± 1.50b | 112 ± 10.7a | 5.87 ± 0.18b | 0.065 3 ± 0.007 0a | -0.56 ± 0.06a |
pH 4.0 | 27.7 ± 1.54ab | 146 ± 13.8a | 7.91 ± 0.54a | 0.056 0 ± 0.004 6b | -0.89 ± 011ab | |
pH 5.6 | 32.7 ± 3.97a | 148 ± 10.5a | 8.52 ± 0.33a | 0.067 0 ± 0.003 1a | -1.39 ± 0.12b | |
200804 | pH 2.5 | 7.7 ± 0.11b | 129 ± 2.5a | 6.52 ± 0.64a | 0.061 7 ± 0.005 0a | -0.43 ± 0.01a |
pH 4.0 | 13.4 ± 0.17a | 143 ± 12.8a | 8.22 ± 0.10a | 0.058 3 ± 0.001 1a | -0.47 ± 0.04ab | |
pH 5.6 | 14.5 ± 0.51a | 160 ± 14.0a | 7.05 ± 0.90a | 0.044 7 ± 0.003 6b | -0.68 ± 0.02b | |
200807 | pH 2.5 | 13.6 ± 0.81b | 158 ± 17.3b | 6.88 ± 0.86b | 0.050 5 ± 0.005 6a | -0.63 ± 0.06a |
pH 4.0 | 26.6 ± 1.15a | 238 ± 13.8a | 7.94 ± 0.40ab | 0.038 6 ± 0.003 4a | -0.99 ± 0.12ab | |
pH 5.6 | 26.7 ± 2.48a | 248 ± 12.3a | 11.1 ± 0.71a | 0.050 6 ±0.001 7a | -1.34 ± 0.10b | |
200810 | pH 2.5 | 17.0 ± 1.31b | 174 ± 15.5b | 5.69 ± 0.42b | 0.037 0 ± 0.003 5b | -0.61 ± 0.06a |
pH 4.0 | 21.6 ± 2.38a | 190 ± 11.6ab | 7.77 ± 0.52a | 0.045 9 ± 0.000 6a | -0.99 ± 0.08ab | |
pH 5.6 | 34.8 ± 1.70a | 230 ± 15.6a | 5.85 ± 0.19b | 0.031 3 ± 0.002 0b | -1.41 ± 0.07b |
光合特征参数 Photosynthetic parameters | 叶绿素相对含量 Chlorophyll relative content | 光合速率 Pn (μmol·m-2·s-1) | 气孔导度 Gs (mol·m-2·s-1) | PSⅡ最大光化学效率 Fv /Fm | PSⅡ的潜在活性 Fv /F0 |
---|---|---|---|---|---|
叶绿素相对含量 Chlorophyll relative content | 1.000 | ||||
光合速率Pn (μmol·m-2·s-1) | 0.330 | 1.000 | |||
气孔导度Gs (mol·m-2·s-1) | 0.156 | 0.586* | 1.000 | ||
PSII最大光化学效率Fv /Fm | 0.243 | 0.323 | 0.092 | 1.000 | |
PSII的潜在活性Fv /F0 | 0.277 | 0.396 | 0.004 | 0.927** | 1.000 |
Table 2 Correlation analysis of photosynthetic parameters of Castanopsis sclerophylla seedlings under different acid rain treatments
光合特征参数 Photosynthetic parameters | 叶绿素相对含量 Chlorophyll relative content | 光合速率 Pn (μmol·m-2·s-1) | 气孔导度 Gs (mol·m-2·s-1) | PSⅡ最大光化学效率 Fv /Fm | PSⅡ的潜在活性 Fv /F0 |
---|---|---|---|---|---|
叶绿素相对含量 Chlorophyll relative content | 1.000 | ||||
光合速率Pn (μmol·m-2·s-1) | 0.330 | 1.000 | |||
气孔导度Gs (mol·m-2·s-1) | 0.156 | 0.586* | 1.000 | ||
PSII最大光化学效率Fv /Fm | 0.243 | 0.323 | 0.092 | 1.000 | |
PSII的潜在活性Fv /F0 | 0.277 | 0.396 | 0.004 | 0.927** | 1.000 |
光合特征参数 Photosynthetic parameters | 酸雨 Acid rain | 季节 Season | 酸雨×季节 Acid rain × season | |||
---|---|---|---|---|---|---|
F | Sig. | F | Sig. | F | Sig. | |
叶绿素相对含量 Chlorophyll relative content | 3.514 | 0.075 | 5.408 | 0.029 | 0.196 | 0.934 |
光合速率Pn (μmol·m-2·s-1) | 4.501 | 0.044 | 14.180 | 0.002 | 2.293 | 0.138 |
气孔导度Gs (mol·m-2·s-1) | 5.333 | 0.039 | 6.555 | 0.018 | 0.666 | 0.631 |
PSII最大光化学效率Fv /Fm | 0.574 | 0.582 | 2.574 | 0.131 | 0.031 | 0.998 |
PSII的潜在活性Fv /F0 | 0.298 | 0.749 | 2.717 | 0.120 | 0.010 | 1.000 |
Table 3 F-values of two-way ANOVA for the effects of acid rain, season and their interactions on response variables of Castanopsis sclerophylla (p = 0.05)
光合特征参数 Photosynthetic parameters | 酸雨 Acid rain | 季节 Season | 酸雨×季节 Acid rain × season | |||
---|---|---|---|---|---|---|
F | Sig. | F | Sig. | F | Sig. | |
叶绿素相对含量 Chlorophyll relative content | 3.514 | 0.075 | 5.408 | 0.029 | 0.196 | 0.934 |
光合速率Pn (μmol·m-2·s-1) | 4.501 | 0.044 | 14.180 | 0.002 | 2.293 | 0.138 |
气孔导度Gs (mol·m-2·s-1) | 5.333 | 0.039 | 6.555 | 0.018 | 0.666 | 0.631 |
PSII最大光化学效率Fv /Fm | 0.574 | 0.582 | 2.574 | 0.131 | 0.031 | 0.998 |
PSII的潜在活性Fv /F0 | 0.298 | 0.749 | 2.717 | 0.120 | 0.010 | 1.000 |
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