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| Table 4. Effect of sodium chloride (mM) on pigments (ng/µg) in the aerial parts of Paulownia fortunei at 15 and 30 days. Letters denote a statistically significant difference (P < 0.05) in levels of pigments at 15 and 30 days. Values not associated with the same letter are significantly different (P < 0.05). |
NaCl |
Chlorophyll a |
Chlorophyll b |
b-carotene |
Violaxanthin |
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Days |
Days |
Days |
Days |
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15 |
30 |
15 |
30 |
15 |
30 |
15 |
30 |
|
0 |
9.30a |
2.40a |
2.62a |
0.726a |
0.716ab |
0.14a |
0.48a |
0.111a |
20 |
8.99a |
0.10b |
2.49a |
0.056b |
0.764a |
0.01b |
0.44ab |
0.041b |
40 |
6.65ab |
0.59b |
1.76ab |
0.248b |
0.576ab |
0.06ab |
0.35ab |
0.024b |
60 |
6.28abc |
0.05b |
1.68abc |
0.033b |
0.587ab |
0.005b |
0.316b |
0.002b |
80 |
3.03bc |
0.07b |
1.31bc |
0.032b |
0.5bc |
0.004b |
0.24bc |
0.002b |
160 |
2.26c |
0.03b |
0.6452c |
0.025b |
0.24c |
0.003b |
0.118c |
0.0008b |
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