Inhibition of seed and plant growth, and changes in the levels of stress biomarkers in response to salt treatments at the indicated NaCl concentrations (mM), in three Portulaca species and in Solanum lycopersicum_ Data for the Portulaca taxa are taken from references cited in the text; those for tomato from (145, 146, 147)
| Species | Seed germination inhibition / NaCl (mM) | Growth inhibition / NaCl (mM) | Decrease of chlorophyll content / NaCl (mM) | Increase of Pro content / NaCl (mM) | Increase of ion contents | Change in MDA levels / NaCl (mM) | |
|---|---|---|---|---|---|---|---|
| Na+ / NaCl (mM) | Cl- / NaCl (mM) | ||||||
| P. oleracea | 50% / 100 | 37% / 400 | 30% / 400 | 196% / 400 | 1,811% / 400 | 1,686% / 400 | - 17% / 400 |
| P. halimoides | 33% / 100 | 19% / 400 | 14% / 400 | 466% / 400 | 539% / 400 | 373% / 400 | - 6% / 400 |
| P. gradiflora | 14% / 100 | 12% / 400 | 24% / 400 | 263% / 400 | 245% / 400 | 141% / 400 | + 14% / 400 |
| Solanum lycopersicum | 43% / 100 | 55% / 200 | 13% / 200 | 88% / 150 | 98% / 160 | no data | no data |