. 2021 Jul 9;12:619926. doi: 10.3389/fpls.2021.619926

TABLE 2.

Statistics of various traits investigated under two conditions in 3 years.

Year	2016				2017				2018

Treatment	CK		DS		CK		DS		CK		DS

Statistical parameter	Mean ± SD	CV	Mean ± SD	CV	Mean ± SD	CV	Mean ± SD	CV	Mean ± SD	CV	Mean ± SD	CV
PH	60.617.90^a	0.13	45.245.54^b	0.12	66.056.36^a	0.10	58.306.85^b	0.12	72.629.82^a	0.14	56.777.34^b	0.13
FBN	7.360.90^a	0.12	5.070.85^b	0.17	7.570.85^a	0.11	6.280.81^b	0.13	7.961.08^a	0.14	6.701.04^b	0.16
EFBN	5.860.87^a	0.15	4.020.73^b	0.18	6.230.84^a	0.13	5.140.77^b	0.15	5.511.12^a	0.20	3.070.98^b	0.32
BN	8.393.24^a	0.39	4.681.17^b	0.25	8.201.44^a	0.18	6.311.26^b	0.20	5.961.40^a	0.23	3.261.18^b	0.36
EBN	6.581.65^a	0.25	4.310.99^b	0.23	7.811.40^a	0.18	5.891.21^b	0.21	4.771.47^a	0.31	2.610.98^b	0.38
CSY	121.7914.21^a	0.12	100.0313.23^b	0.13	112.9714.89^a	0.13	95.0412.15^b	0.13	107.6412.22^a	0.11	94.6013.17^b	0.14
CLY	51.616.34^a	0.12	31.876.04^b	0.19	48.526.87^a	0.14	29.535.37^b	0.18	39.495.57^a	0.14	36.726.57^b	0.18
SBW	6.090.71^a	0.12	4.960.74^b	0.15	5.650.74^a	0.13	4.750.61^b	0.13	5.400.57^a	0.11	4.730.66^b	0.14
Ci	228.7118.45^a	0.08	200.4922.44^b	0.11	261.6746.40^a	0.18	199.2745.33^b	0.23	227.6644.99^a	0.20	158.2352.24^b	0.33
gs	550.39201.89^a	0.37	323.22163.29^b	0.51	166.55105.16^a	0.63	88.7544.42^b	0.50	378.14212.05^a	0.56	130.1075.99^b	0.58
VPD	2.421.16^a	0.48	1.510.46^b	0.30	1.771.00^a	0.56	1.020.32^b	0.31	3.690.92^a	0.25	2.180.59^b	0.27
Pn	26.236.91^a	0.26	19.945.63^b	0.28	8.014.15^a	0.52	4.581.75^b	0.38	25.396.85^a	0.27	11.824.86^b	0.41
Tr	6.421.15^a	0.18	4.431.27^b	0.29	1.771.09^a	0.62	1.120.28^b	0.25	6.151.22^a	0.20	3.930.98^b	0.25
WUE	4.941.17^a	0.24	3.600.68^b	0.19	14.1135.63^a	2.53	3.851.29^b	0.34	4.912.88^a	0.59	2.870.9^b	0.31
MDA	99.9931.56^a	0.32	60.0822.78^b	0.38	161.2536.16^a	0.22	110.0432.28^b	0.29	117.1629.92^a	0.26	77.6622.07^b	0.28
a	2.981.14^a	0.38	1.860.90^b	0.48	2.360.57^a	0.24	1.520.60^b	0.39	7.731.54^a	0.20	5.851.36^b	0.23
b	1.300.48^a	0.37	0.740.35^b	0.47	1.600.52^a	0.33	0.740.41^b	0.55	5.131.05^a	0.20	3.880.93^b	0.24
Chl	4.061.47^a	0.36	2.601.11^b	0.43	3.900.96^a	0.25	2.541.11^b	0.44	12.832.59^a	0.20	9.732.22^b	0.23
SOD	5.261.32^a	0.25	4.681.24^b	0.26	19.667.00^a	0.36	10.717.28^b	0.68	0.780.20^a	0.26	0.520.16^b	0.31

Plant height (PH), fruit branch number (FBN), effective fruit branch number (EFBN), boll number (BN), effective boll number (EBN), cotton seed yield (CSY), cotton lint yield (CLY), single boll weight (SBW), photosynthetic rate (Pn), stomatal conductance (gs), transpiration rate (Tr), water use efficiency (WUE), intercellular carbon dioxide concentration (Ci), water vapor pressure deficit (VPD), malondialdehyde (MDA), chlorophyll (Chl), chlorophyll a (a), chlorophyll b (b), and superoxide dismutase (SOD), drought stress (DS), normal watering (CK), Coefficient of Variation (CV), different letters between control and treatment significant differences at P < 0.001 levels through paired sample t-test.