Table 1.
Carbon contents and 13C-incorporation of different fractions of extractable metabolites in control plants and plants fertilized with NH4NO3 of Thuidium tamariscinum and Hylocomium splendens
|
T. tamariscinum |
H. splendens |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Control |
Fertilized |
C×F | Control |
Fertilized |
C×F | |||||
| mg g−1 d. wt | (% of tot. C) | mg g−1 d. wt | (% of tot. C) | mg g−1 d. wt | (% of tot. C) | mg g−1 d. wt | (% of tot. C) | |||
| (A) Carbon contents | ||||||||||
| Lipids | 155·5 | (35·0) | 114·1 | (26·4) | * | 165·2 | (37·7) | 126·4 | (29·6) | + |
| Neutral fraction | 39·7 | (8·9) | 33·9 | (7·8) | n.s. | 37·6 | (8·6) | 28·9 | (6·8) | n.s. |
| Soluble proteins | 19·0 | (4·3) | 19·4 | (4·5) | n.s. | 101·9 | (23·3) | 28·0 | (6·6) | n.s. |
| Anionic fraction | 6·7 | (1·5) | 7·1 | (1·6) | n.s. | 7·4 | (1·7) | 6·8 | (1·6) | n.s. |
| Cationic fraction | 5·6 | (1·3) | 6·1 | (1·4) | n.s. | 6·1 | (1·4) | 6·1 | (1·4) | n.s. |
| Starch | 2·5 | (0·6) | 2·5 | (0·6) | n.s. | 2·6 | (0·6) | 2·9 | (0·7) | n.s. |
| Total carbon | 444·1 | 433·1 | n.s. | 437·6 | 426·5 | * | ||||
| (B) 13C-incorporation | ||||||||||
| Lipids | 0·044 | (2·6) | 0·064 | (2·8) | * | 0·033 | (2·4) | 0·045 | (3·2) | n.s. |
| Neutral fraction | 1·291 | (76·4) | 1·692 | (75·1) | n.s. | 1·023 | (73·5) | 1·108 | (79·7) | n.s. |
| Soluble proteins | 0·010 | (0·6) | 0·016 | (0·7) | * | 0·023 | (1·7) | 0·011 | (0·8) | + |
| Anionic fraction | 0·062 | (3·7) | 0·091 | (4·0) | n.s. | 0·063 | (4·5) | 0·055 | (4·0) | n.s. |
| Cationic fraction | 0·020 | (1·2) | 0·029 | (1·3) | n.s. | 0·026 | (1·9) | 0·029 | (2·1) | n.s. |
| Starch | 0·019 | (1·1) | 0·020 | (0·9) | n.s. | 0·012 | (0·9) | 0·015 | (1·1) | n.s. |
| Total carbon | 1·689 | 2·253 | n.s. | 1·391 | 1·389 | n.s. | ||||
Values are means of five. Significance levels: +, P<0·1; *, P<0·05.