Moisture and Salinity Stress Induced Changes in Biochemical Constituents and Water Relations of Different Grape Rootstock Cultivars

Table 2

Gas exchange and water relation parameters of grape rootstocks of different stages of 50% moisture stress cycle.

Rootstocks	7th day					14th day					21st day
	𝐸	𝐴	WUE	OP	RWC	𝐸	𝐴	WUE	OP	RWC	𝐸	𝐴	WUE	OP	RWC
1103P	0.92	38.76	62.92	2.99	81.33	1.28	42.16	33.10	4.26	78.26	3.37	34.66	10.58	2.03	73.00
110R	0.51	44.06	106.29	1.55	87.65	1.16	47.13	44.13	1.78	80.80	2.50	34.88	14.18	1.70	74.64
1613C	2.94	40.50	16.06	1.74	66.01	3.67	43.36	12.22	1.71	60.06	5.18	13.33	2.66	1.60	50.81
99R	0.88	40.60	55.96	2.43	81.45	1.77	43.23	24.85	2.43	80.11	3.54	30.94	8.86	1.66	72.80
B2-56	2.84	40.63	50.26	2.14	82.19	1.32	43.80	36.03	1.95	78.31	3.14	31.12	10.61	1.98	68.97
Dogridge	0.88	37.40	54.99	2.22	82.78	1.89	43.40	25.60	2.50	77.81	2.59	26.10	10.31	2.79	66.33
Salt Creek	2.81	42.63	17.99	1.36	79.73	2.24	48.33	21.97	1.54	73.61	3.68	19.03	5.41	1.62	66.33
St. George	2.36	42.26	23.44	1.36	71.25	3.62	47.03	13.97	1.25	58.83	4.02	12.24	3.02	1.57	49.34
Teleki 5A	3.97	42.30	11.52	1.52	77.88	1.95	45.36	21.16	1.66	65.69	4.29	19.14	4.52	1.92	51.56
V. longii	3.03	39.03	12.94	2.47	74.76	3.84	43.90	11.44	1.91	70.14	4.71	18.53	3.93	20.7	52.35
SEM ±	0.866	1.284	18.972	0.116	2.044	0.320	1.025	4.256	0.1624	1.860	0.410	1.812	0.735	0.237	1.789
Level of significance*	0.104	0.040	0.0369	<0.0001	<0.0001	<0.0001	0.004	0.0003	<0.0001	<0.0001	0.002	<0.0001	<0.0001	<0.0001	<0.0001

∗Values below 0.05 indicate significance at 𝑃<0.05. 𝐸: transpiration rate; 𝐴: photosynthetic rate; WUE: water use efficiency; OP: osmotic potential; RWC: relative water content.