. 2021 Sep 24;12:705392. doi: 10.3389/fpls.2021.705392

Table 2.

Mean square values (MS) of Line × Tester and combining ability (CA) analysis for all studied traits in 21 crosses including parents under DS conditions.

SOURCE	DF	GP	DG	DS	DF	DBO	PH	NB	BW	YP	PC	ChA	ChB	ChAB	ChT	CTe	CMS
REPLN	2	288.2ns	0.52ns	4.66	7.65	2.45	5.17	0.23	0.11	12.95	0.00	0.01	0.05	0.07	0.07	0.00	33.3
GENO	30	632.85ns	2.18^**	8.95ns	12.73^**	63.88^*	33.95ns	2.63^*	0.50^*	55.27^*	0.19^*	0.22ns	1.48	0.93ns	2.49^*	0.19ns	1095.1ns
CROSS	20	688.2ns	1.18ns	7.24^**	10.35^**	63.22^**	32.53ns	2.32^**	0.39ns	38.43^**	0.22ns	0.12ns	0.85	0.89ns	1.37^*	0.22ns	1211.0ns
LINE(c)	2	1963.5^*	2.78ns	15.73ns	33.16ns	246.87^*	172.71^*	5.35ns	0.09^*	103.16ns	1.02^**	0.19^*	0.26	0.07ns	0.69^*	1.02^**	431.0ns
TEST(c)	6	353.4^*	1.11ns	11.22^**	14.14^*	80.42^**	25.56^*	1.51ns	0.93^**	33.70ns	0.10^**	0.09^**	0.76	0.84^**	1.13ns	0.10^**	2731.4ns
LXT (c)	12	643.1^**	0.94ns	3.84^*	4.66ns	24.00^**	12.66ns	2.22^*	0.17^*	30.01^*	0.14ns	0.13ns	0.99	1.06ns	1.60ns	0.14ns	580.8ns
PARENT	9	425.5^**	2.58^*	12.46^**	19.17^**	58.89^**	40.83^**	2.53^*	0.56^*	98.71^**	0.10^*	0.45ns	2.33	0.73ns	4.47^*	0.10ns	957.5^*
LINE(p)	2	277.8ns	2.33ns	16.44ns	16.44ns	1.78ns	24.11ns	0.78ns	0.11^**	0.12ns	0.08ns	0.33^*	1.97^**	1.25^*	3.65^**	0.08^*	956.7^*
TEST(p)	6	363.4^*	0.65ns	8.87^*	13.11^*	36.76^*	38.22^*	1.76ns	0.56ns	78.34^**	0.10^**	0.50ns	1.88	0.21^*	3.93ns	0.10^**	1083.1^**
L vs T	1	1093.5ns	14.63ns	26.01ns	60.98ns	305.91ns	89.91ns	10.67ns	1.48ns	418.14ns	0.14ns	0.45ns	5.72^*	2.85ns	9.37^*	0.14ns	205.7ns
Cr v PAR	1	1389.9ns	18.56ns	11.60ns	2.30ns	121.91ns	0.36ns	9.73ns	2.22ns	1.01ns	0.53ns	0.01ns	6.61^*	3.34ns	7.11^*	0.53ns	13.7ns
ERROR	60	75.95	0.72	1.57	3.56	6.68	6.42	0.67	0.06	10.46	0.01	0.01	0.02	0.04	0.03	0.01	51.2
Combining ability
REPLN	2	220.6	0.30	1.16	4.11	5.78	1.86	0.78	0.00	7.96	0.01	0.01	0.04	0.07	0.05	0.01	14.7
CROSS	20	688.3ns	1.18^*	7.24^**	10.35^**	63.22^*	32.53ns	2.32^**	0.39^*	38.43^**	0.22^*	0.12ns	0.85ns	0.89sn	1.37^*	0.22ns	1211.0ns
LINE(c)	2	1963.5^*	2.78ns	15.73ns	33.16^*	246.87^*	172.71^*	5.35ns	0.09ns	103.16	1.02^**	0.19^*	0.26^*	0.07ns	0.69^*	1.02^*	431.0^*
TEST(c)	6	353.4^*	1.11ns	11.22^*	14.14^*	80.42^**	25.56^*	1.51ns	0.93^**	33.70^*	0.10^**	0.09^**	0.76ns	0.84^**	1.13^**	0.10^**	2731.4ns
LXT (c)	12	643.1^**	0.94ns	3.84^*	4.66ns	24.00^*	12.66^*	2.22^*	0.17^**	30.01^*	0.14ns	0.13ns	0.99ns	1.06ns	1.60ns	0.14ns	580.8^*
ERROR	40	72.3	0.63	1.66	2.33	7.18	4.04	0.71	0.04	10.23	0.01	0.01	0.02	0.05	0.03	0.01	59.2
CV (%)		14.9	17.80	3.08	3.32	2.98	6.66	10.15	7.42	12.38	12.42	3.88	8.53	13.36	4.74	12.42	12.9

Significant at p < 0.05;

^**

significant at p < 0.01. BTN. G%, germination percentage; DG, days to germination; DS, days to squaring; DF, days to flowering; DB, days to boll opening; PH, plant height (cm); NB, number of bolls per plant; BW, boll weight (g); YP, yield of seed cotton/ yield per plant (g); PC, proline content; ChA, chlorophyll a; ChB, chlorophyll b; ChT, chlorophyll ab or total chlorophyll; ChAB, chlorophyll a/b;CTe, canopy temperature; CMS, cell membrane stability of 31 cotton genotypes including 10 parents and 21 crosses. ns, non-sifnificant.