Table 2.

Main effects of 72h drought (18% PEG) and salinity (150 mM NaCl) stresses on root 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	NS	NS	NS	2.31	NS	NS	NS
Spermidine	NS	4.79	3.7	NS	4.58	NS	4.17	NS
Organic acids
Butanoic acid	2.72	NS	NS	NS	NS	NS	NS	2.28
2-Aminobutanoic acid	NS	2.93	NS	NS	NS	NS	NS	NS
Citric acid	NS	1.97	–3.34	–2.38	NS	NS	–1.2	NS
Erythronic acid	NS	NS	NS	NS	NS	–1.93	NS	NS
Glyceric acid	NS	NS	–2	NS	NS	NS	NS	NS
Isocitric acid	NS	NS	–2.46	NS	NS	NS	NS	1.52
Malic acid	NS	NS	–7.45	NS	NS	NS	–4.9	NS
Nicotinic acid	NS	2.55	NS	NS	NS	NS	NS	NS
Sugars and polyols
Cellobiose	–4.8	–1.69	NS	NS	3.0	NS	NS	NS
Galactinol	NS	NS	4.0	NS	NS	NS	3.76	NS
Galactose-N-acetyl			–2.8				–1.46
Glucose	NS	NS	–5.99	NS	NS	NS	NS	NS
Glycerol-3-P	1.75	2.12	NS	NS	2.38	NS	2.22	1.97
Maltose	NS	4.42	NS	NS	4.41	NS	5.12	NS
myo-Inositol	NS	NS	–3.45	NS	2.09	NS	1.8	1.42
Raffinose	5.73	7.28	NS	NS	NS	NS	5.73	10.9
α,α-Trehalose	6.88	8.53	NS	6.87	6.51	4.98	4.48	10.1
Xylose	NS	NS	–2.91	NS	NS	NS	NS	NS
Amino acids
Glutamic acid	2.78	5.45	NS	NS	NS	NS	NS	NS
Glycine	NS	–1.95	–2.1	NS	NS	NS	NS	NS
Guanosine	NS	1.95	NS	NS	NS	NS	2.89	1.7
Isoleucine	NS	NS	–3.91	NS	–2.48	NS	–2.35	NS
Leucine	NS	NS	–3.73	NS	NS	NS	–3.34	NS
Proline	4.44	6.23	7.62	3.74	6.44	NS	NS	6.44
Valine	NS	NS	NS	NS	NS	NS	–1.45	NS