Morphological, Physiological, and Biochemical Characterization of Drought-Tolerant Wheat (Triticum spp.) Varieties

Table 4

Mean comparison of selected morphological, physiological and biochemical characteristics of wheat varieties under well-watered and water stress conditions.

Sources of variation	Plant height (cm)	Spike length (cm)	No. of spikelet spike^−1	Relative water content (%)	Relative chlorophyll content (SPAD unit)	Proline (µmol g^−1)	Total soluble sugar (mg/g)
Well watered	64.6^a	5.5^a	12.0^a	75.51^a	46.83^a	3.01^b	46.84^b
Water stress	47.9^b	5.0^b	9.29^b	63.54^b	41.62^b	3.85^a	49.84^a
Mean	56.23	5.25	10.69	69.52	44.22	3.43	48.34
CV	8.07	10.8	9.4	15.54	9.64	17.99	5.28
LSD[0.05]	2.15	0.27	0.47	5.12	2.02	0.29	1.21

CV, coefficient of variation; LSD_WM, list significant difference of water management.