Genetic variability predicting breeding potential of upland cotton (Gossypium hirsutum L.) for high temperature tolerance

Farooq, Amjad; Shakeel, Amir; Saeed, Asif; Farooq, Jehanzeb; Rizwan, Muhammad; Chattha, Waqas Shafqat; Sarwar, Ghulam; Ramzan, Yasir

doi:10.1186/s42397-023-00144-z

Table 5 Estimation of general combining ability (GCA) effects for various traits under control and high temperature stress

From: Genetic variability predicting breeding potential of upland cotton (Gossypium hirsutum L.) for high temperature tolerance

Lines	RCI	CC	CT	BR	SB	PH	B/P	BW	SI	SCY
Control
FH-Noor	-2.22**	3.98**	-0.33^ns	1.87**	-0.46^ns	-8.84**	1.02*	0.04^ns	0.08^ns	-3.7**
FH-458	4.06**	0.86^ns	-0.15^ns	2.15**	-1.03**	0.45^ns	-2.91**	-0.18**	-0.23**	-0.11^ns
FH-466	9.89**	-1.88^ns	-0.1^ns	-3.68**	0.26^ns	-0.23^ns	-2.91**	0.03^ns	-0.71**	-8.6**
FH-Lalazar	-6.79**	-6.31**	-0.72^ns	4.64**	-1.45**	2.22*	3.09**	0.31**	0.93**	0.39^ns
Weal-AG-Shahkar	-1.64**	1.37^ns	-0.27^ns	-4.2**	0.00^ns	12.13**	0.96*	0.08**	-0.71**	12.62**
NIAB-545	-1.7**	-3.93**	-0.12^ns	0.9**	1.12**	-2.84**	-0.77^ns	0.08**	0.27**	-7.34**
IR-NIBGE-8	-0.02^ns	4.02**	0.37^ns	-1.02**	1.29**	-5.82**	-0.98*	-0.24**	0.00^ns	-1.28*
NIAB-878	-1.57**	1.89^ns	1.32**	-0.66**	0.26^ns	2.93**	2.49**	-0.12**	0.38**	8.01**
S.E.	0.23	1.14	0.37	0.18	0.27	1.04	0.473	0.02	0.06	0.53
Testers
FH-326	-3.78**	-0.66^ns	-0.67*	9.5**	0.01^ns	2.64**	3.65**	0.31**	0.71**	6.37**
Silky-3	-3.45**	-0.25^ns	-0.09^ns	5.55**	-0.81**	-4.2**	-0.31^ns	0.02^ns	0.31**	-2.54**
SLH-12	-3.2**	1.67^ns	-0.21^ns	-3.52**	-1.8**	2.32**	-3.6**	-0.24**	-0.30**	-3.05**
CIM-602	1.18**	0.6^ns	0.58*	-5.31**	1.19**	1.02^ns	2.98**	-0.1**	-0.45**	1.35**
FH-442	9.25**	-1.36^ns	0.39^ns	-6.21**	1.41**	-1.78*	-2.72**	0.01^ns	-0.28**	-2.14**
S.E.	0.184	0.902	0.289	0.141	0.21	0.83	0.374	0.023	0.050	0.43
High temperature stress
FH-Noor	-1.66**	1.10^ns	0.09^ns	1.99**	0.52^ns	-12.8**	3.28**	0.06*	-0.27**	-5.59**
FH-458	1.83**	3.46**	-0.31^ns	3.21**	0.06^ns	5.16**	-2.58**	-0.18**	-1.05**	-1.27*
FH-466	9.06**	-0.46^ns	1.16**	-3.62**	-1.54**	0.11^ns	-5.45**	0.03^ns	-0.3**	-18.3**
FH-Lalazar	-7.49**	0.13^ns	0.23^ns	5.81**	-0.74**	-6.27**	4.95**	0.34**	0.73**	-8.28**
Weal-AG-Shahkar	0.38^ns	-0.56^ns	-0.63*	-4.04**	2.59**	7.86**	0.75^ns	0.03^ns	-0.52**	30.62**
NIAB-545	-2.47**	-1.22^ns	-0.75**	0.37^ns	0.46^ns	17.6**	1.62**	0.05^ns	0.62**	6.3**
IR-NIBGE-8	0.68**	-1.65*	0.68*	-2.18**	-0.34^ns	-13.7**	-2.18**	-0.25**	0.17**	-3.09**
NIAB-878	-0.33^ns	-0.81^ns	-0.46^ns	-1.53**	-1.01**	2.13*	-0.38^ns	-0.08**	0.61**	-0.46^ns
S.E.	0.24	0.79	0.28	0.19	0.31	0.93	0.40	0.03	0.06	0.55
Testers
FH-326	-5.41**	-0.14^ns	-0.10^ns	10.73**	1.02**	7.28**	4.47**	0.36**	0.7**	7.01**
Silky-3	-3.25**	-1.46*	-0.03^ns	6.07**	-0.82**	7.78**	0.51^ns	0.02^ns	0.2**	-1.61**
SLH-12	-4.32**	1.13^ns	0.66**	-4.02**	-0.94**	-4.34**	-3.24**	-0.19**	-0.14**	0.83^ns
CIM-602	1.41**	1.30*	-0.18^ns	-5.64**	0.47^ns	-5.12**	1.55**	-0.21**	-0.47**	-2.91**
FH-442	11.56**	-0.82^ns	-0.35^ns	-7.14**	0.27^ns	-5.6**	-3.28**	0.02^ns	-0.29**	-3.32**
S.E	0.19	0.63	0.22	0.15	0.25	0.73	0.32	0.02	0.05	0.43

Note: RCI Relative cell injury, CC Chlorophyll contents, CT Canopy temperature, BR Boll retention, B/P Bolls per plant, BW Boll weight, SB Sympodial branches, SI Seed index, PH Plant height, SCY Seed cotton yield/plant
*=Significant, **=Highly significant, ^ns=Non-significant, S.E.= Standard error

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