Table 2.

Morpho-physiological characteristics of Cyperus laevigatus collected from different ecological regions of Punjab.

	Har	Khu	Jha	PA	KK	Sah	F-ratio
Morphological characteristics
Shoot fresh weight (g plant−1)	10.8b	9.2c	14.9a	8.7d	10.7bc	10.4bc	366.2***
Root fresh weight (g plant−1)	0.96d	1.2bc	4.1a	1.3b	1.1c	0.91de	1223.7***
Water Potential
Shoot water potential (-Mpa)	1.4c	1.5b	1.6a	1.6a	1.4c	1.5b	169.1***
Shoot osmotic potential (-Mpa)	1.2a	1.2a	1.1b	1.2a	0.8c	0.6d	21.7***
Shoot turgor potential (Mpa)	0.24d	0.29 cd	0.48bc	0.38c	0.56b	0.92a	18.7***
Ionic Contents
Shoot Na+ (mg g−1 d.wt.)	21.2f	25.5d	24e	32.5a	30.2b	27.7c	11.4***
Root Na+ (mg g−1 d.wt.)	16.5b	14c	14.5c	15.2bc	18.5a	18.2a	3.8*
Shoot Ca2+ (mg g−1 d.wt.)	20.5b	21.5ab	15.3d	19 cd	18.3c	22.5a	3.3*
Root Ca2+ (mg g−1 d.wt.)	4.2b	4.1b	2.9d	3.7c	4.5a	4.3a	2.2NS
Shoot K+ (mg g−1 d.wt.)	8d	10b	9.8c	8.5 cd	15a	10.5ab	13.4***
Root K+ (mg g−1 d.wt.)	22d	27.5c	30.5b	27.5c	34.2a	29.5bc	10.1***
Organic Osmolytes	645.7d	1283.3c	1900ab	1895.8ab	1950a	1726.7b	35.5***
Total free amino acids (µg g-1f. wt.)
Proline (µmol g-1f. wt.)	102de	113.9d	190.4b	187b	255a	136c	9.3**
Total soluble proteins (µg g-1f. wt.)	948bc	600d	732 cd	1020a	960b	792c	1.4NS
Total soluble sugars (mg g−1 d. wt.)	27.7b	26.3bc	25.3c	30.1a	27b	27.4b	0.97NS

Means sharing similar letters in each row are statistically not significant.

* = Significant at p < 0.05, ** = significant at p < 0.01, *** = significant at p < 0.001, NS = not significant.