Table 2.
Rate of dark respiration (RD) in carnivorous plants with leaves differentiated into traps and photosynthetic laminae or in response to experimental feeding (fed plants in parentheses)
| Species (and reference) | Leaf type | RD (nmol CO2 g–1 d. wt s–1) or RDaq (mmol O2 kg–1 f. wt h–1) | RD (µmol CO2 m–2 s–1) | Higher RD in traps | Higher RD after feeding |
|---|---|---|---|---|---|
| Aldrovanda vesiculosa (aq) (Adamec, 2008) | Shoot | 8·17 ± 0·81 (8·97 ± 0·72) | N/A | 0 | |
| Cephalotus follicularis (Pavlovič, 2011) | Lamina | 3·48 ± 0·46 | 0 | N/A | |
| Trap | 2·97 ± 0·66 | ||||
| Cephalotus follicularis (Adamec, 2010a) | Lamina | 4·26 ± 0·25* | – | N/A | |
| Trap | 2·22 ± 0·26* | ||||
| Dionaea muscipula (Adamec, 2010a) | Lamina | 12·3 ± 1·2* | 0 | N/A | |
| Trap | 14·2 ± 2·0* | ||||
| Dionaea muscipula (Hájek and Adamec, 2010) | Lamina | 8·2 ± 1·8 | 0 | N/A | |
| Trap | 6·8 ± 0·6 | ||||
| Dionaea muscipula (Pavlovič et al., 2010a) | Lamina | Approx. 0·3 | +† | N/A | |
| Trap | Approx. 3·3 | ||||
| Dionaea muscipula (Kruse et al., 2014) | Trap | Approx. 4·5 (approx. 8·5/4·5) (during/after feeding) | N/A | +/0 (during/after feeding) | |
| Drosera capensis (Adamec, 2010a) | Lamina | 24·9 ± 0·4* | – | N/A | |
| Trap | 20·8 ± 0·9* | ||||
| Drosera capensis (Pavlovič et al., 2014) | Trap | 0·93 ± 0·10 | N/A | 0 | |
| (0·74 ± 0·38) | |||||
| Drosera prolifera (Adamec, 2010a) | Lamina | 7·16 ± 0·70* | +† | N/A | |
| Tentacles | 52·0 ± 7·5* | ||||
| Nepenthes alata (Pavlovič et al., 2007) | Lamina | 9·7 ± 0·9 | – | N/A | |
| Trap | 6·3 ± 1·1 | ||||
| Nepenthes alata (He and Zain, 2012) | Lamina | Approx. 2‡ | – | N/A | |
| Trap | Approx. 1‡ | ||||
| Nepenthes ampullaria (Pavlovič et al., 2011b) | Lamina | 0·54 ± 0·10 (0·59 ± 0·05) | – | 0 | |
| Trap | 0·35 ± 0·06 (0·38 ± 0·06) | ||||
| Nepenthes mirabilis (Pavlovič et al., 2007) | Lamina | 8·0 ± 0·6 | 0 | N/A | |
| Trap | 11·6 ± 0·9 | ||||
| Nepenthes talangensis (Pavlovič et al., 2009) | Lamina | 5·8 ± 0·5 (7·0 ± 0·21) | 0·97 ± 0·02 (1·15 ± 0·06) | 0/− (g–1 d. wt/m–2) | 0 |
| Trap | 6·5 ± 0·4 (9·6 ± 1·7) | 0·43 ± 0·02 (0·60 ± 0·10) | |||
| Nepenthes ventricosa (Adamec, 2010a) | Lamina | 5·86 ± 0·93* | 0 | N/A | |
| Trap | 8·20 ± 1·47* | ||||
| Pinguicula vulgaris (Méndez and Karlsson, 1999) | Plant | 19·2 ± 8·1 (s.d.) (23·1 ± 8·2) (s.d.) | 0·8 ± 0·3 (s.d.) (1·0 ± 0·4) (s.d.) | N/A | 0 |
| Sarracenia minor (Adamec, 2010a) | Wing | 4·79 ± 0·27* | – | N/A | |
| Trap | 3·76 ± 0·25* | ||||
| Sarracenia psittacina (Adamec, 2010a) | Wing | 2·28 ± 0·25* | 0 | N/A | |
| Trap | 2·40 ± 0·49* | ||||
| Sarracenia purpurea (Adamec, 2010a) | Wing | 5·81 ± 0·62* | + | N/A | |
| Trap | 8·38 ± 0·32* | ||||
| Sarracenia purpurea (Hájek and Adamec, 2010) | Wing | 9·5 ± 1·1 | N/A | N/A | |
| Trap | 12·6 ± 0·9 | ||||
| Sarracenia rubra (Adamec, 2010a) | Wing | 5·57 ± 0·20* | 0 | N/A | |
| Trap | 4·98 ± 0·41* | ||||
| Utricularia australis (aq) (Adamec, 2008) | Leaf | 7·89 ± 0·68 | N/A | 0 | |
| (7·42 ± 0·93) | |||||
| Utricularia australis (aq) (Adamec, 2006) | Leaf | 4·86 ± 0·23 | +† | N/A | |
| Trap | 8·56 ± 0·35 | ||||
| Utricularia bremii (aq) (Adamec, 2006) | Leaf | 3·07 ± 0·36 | +† | N/A | |
| Trap | 7·02 ± 0·45 | ||||
| Utricularia floridana (aq) (Adamec, 2006) | Leaf | 2·65 ± 0·29 | +† | N/A | |
| Trap | 5·09 ± 0·33 | ||||
| Utricularia intermedia (aq) (Adamec, 2006) | Leaf | 3·48 ± 0·34 | +† | N/A | |
| Trap | 6·77 ± 0·57 | ||||
| Utricularia macrorhiza (aq) (Knight, 1992) | Leaf | 0·751§ | 0 | N/A | |
| Trap | 0·804§ | ||||
| Utricularia ochroleuca (aq) (Adamec, 2006) | Leaf | 1·73 ± 0·17 | + † | N/A | |
| Trap | 5·15 ± 0·42 | ||||
| Utricularia vulgaris (aq) (Adamec, 2006) | Leaf | 3·94 ± 0·36 | +† | N/A | |
| Trap | 7·49 ± 0·21 | ||||
| Summary | (+) 9† | (+) 0 | |||
| (–) 7 | (–) 0 | ||||
| (0) 9 | (0) 7 |
A positive response is indicated by ‘+’, a negative response by ‘–’, no response by ‘0’, no data by ‘N/A’.
Note the different unit for aquatic carnivorous plants (RDaq).
Means ± s.e. whenever possible (or s.d. if indicated).
*Values are in nmol O2 g–1 d. wt s–1.
†Active trap (electrical signalling or water pumping).
‡Values are in µmol O2 m–2 s–1.
§Values are in mg C g tissue–1 h–1 from a population in Grassy Lake.