Table 3.
Main effects of 15 d of drought (18% PEG) and salinity (150mM NaCl) stresses on leaf metabolite contents in the lentil genotypes Pantelleria (PAN), Ustica (UST), Castelluccio (CAST), and Eston (EST).
| Metabolites | PAN | UST | CAST | EST | ||||
|---|---|---|---|---|---|---|---|---|
| NaCl | PEG | NaCl | PEG | NaCl | PEG | NaCl | PEG | |
| Polyamines | ||||||||
| Cadaverine | NS | 4.33 | 11.5 | 2.85 | 13.5 | NS | 11.5 | 2.95 |
| Putrescine | NS | NS | 1.95 | 2.18 | 2.68 | NS | NS | NS |
| Spermidine | NS | 5.1 | 3.17 | 2.52 | 4.79 | 2.52 | 4.79 | 3.32 |
| Organic acids | ||||||||
| Ascorbic acid | NS | 2.61 | NS | NS | NS | NS | NS | NS |
| Butanoic acid | –2.15 | –4.5 | –4.64 | –1.3 | –3.89 | –1.42 | –6.81 | –2.28 |
| 2-Aminobutanoic acid | 2.76 | 5.58 | 9.7 | 3.2 | 5.41 | 2.93 | 4.5 | 3.64 |
| 2-Aminobutanoic acid | 1.35 | 1.35 | NS | NS | NS | NS | NS | NS |
| Erythronic acid | NS | –1.68 | –1.55 | NS | –1.98 | NS | –2.61 | NS |
| Galacturonic acid-1-P | –2.12 | –6.55 | –5.64 | –2.02 | –6.86 | NS | –7.20 | NS |
| 2-Oxoglutaric acid | NS | NS | –1.87 | NS | –2.3 | NS | –2.95 | NS |
| 3-Phosphoglyceric acid | NS | NS | NS | NS | 1.85 | 1.42 | 1.75 | 1.93 |
| Itaconic acid | NS | 1.97 | NS | NS | NS | 2.38 | NS | |
| Malic acid | NS | –2,97 | –2.85 | NS | –5.8 | NS | –6.03 | NS |
| Malonic acid | NS | NS | –1.98 | NS | –2.12 | NS | –2.47 | NS |
| Nicotinic acid | NS | NS | NS | 1.78 | 1.65 | NS | NS | NS |
| Pyroglutamic acid | NS | NS | NS | NS | NS | NS | –1.33 | NS |
| Threonic acid | 2.35 | 0 | 1.75 | NS | 1.55 | NS | 0 | 2.72 |
| 5-Aminovaleric acid | NS | –2.81 | NS | NS | –5.37 | NS | –3.45 | –1.55 |
| Sugars and polyols | ||||||||
| Cellobiose | NS | 1.87 | 10.1 | NS | 5,34 | NS | NS | NS |
| Erythritol | NS | NS | –2.53 | NS | –1.98 | NS | –2.59 | –1.38 |
| Galactinol | NS | NS | NS | NS | 3.2 | NS | NS | NS |
| Galactose-N-acetyl | NS | –3.11 | NS | NS | –3.63 | NS | –3.96 | NS |
| Glucose | NS | –11.74 | –11.67 | NS | –11.66 | NS | –12.15 | –3.41 |
| Glycerol-3-P | NS | NS | NS | NS | 1.45 | NS | NS | 1.3 |
| myo-Inositol | –1.34 | –1.55 | NS | NS | NS | NS | –1.0 | NS |
| myo-Inositol-1-P | NS | NS | –2.35 | NS | –2.1 | NS | –2.62 | NS |
| Raffinose | 3.29 | 10.1 | 6.72 | NS | 8.54 | NS | 2.59 | NS |
| α,α-Trehalose | 2.76 | 3.81 | 7.64 | 7.25 | 4.98 | 2.76 | NS | 4.24 |
| Xylose | NS | –2.43 | NS | NS | –2.91 | NS | –2.96 | NS |
| Amino acids | ||||||||
| Asparagine | NS | –1.55 | –1.3 | NS | NS | NS | –1.35 | NS |
| Aspartic | 1.84 | NS | 1.66 | NS | 1.78 | NS | NS | NS |
| Glutamic acid | NS | NS | NS | NS | NS | NS | –1.37 | NS |
| Glycine | NS | NS | NS | NS | –1.72 | –1.57 | –1.35 | –1.95 |
| Isoleucine | NS | –3.11 | –1.57 | NS | –2.41 | –1.79 | –2.62 | –2.82 |
| Leucine | –2.1 | –2.83 | –1.93 | NS | –2.54 | –1.82 | –2.76 | –2.34 |
| Phenylalanine | NS | –2.44 | –1.36 | –1.52 | –1.85 | –1.7 | –2.13 | –2.32 |
| Proline | NS | NS | 3.2 | 1.72 | 1.84 | NS | NS | NS |
| Tryptophan | NS | –3.55 | –1.97 | NS | –2.6 | –1.48 | –2.46 | –1.91 |
| Valine | NS | –1.96 | NS | NS | –1.73 | NS | NS | NS |
| Phosphoric acid | NS | –2.08 | –2.57 | NS | –3.23 | NS | –3.23 | NS |