Adaptability and stability of eggplant submitted to different levels of shading via REML/BLUP

Silva, Jordana Antônia dos S; Pereira, Jacqueline Wanessa de L; Valadares, Ricardo de N; Lima, Rayhonay SR de; Silva, Fabian S; Guiselini, Cristiane; Menezes, Dimas

doi:10.1590/s0102-0536-20220113

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Research • Hortic. Bras. 40 (1) • Jan-Mar 2022 • https://doi.org/10.1590/s0102-0536-20220113 copy

Adaptability and stability of eggplant submitted to different levels of shading via REML/BLUP

Adaptabilidade e estabilidade de berinjela submetida a diferentes níveis de sombreamento via REML/BLUP

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

This study aimed to evaluate the eggplant genotype x environment ineraction, using the REML/BLUP procedure, in order to identify genotypes with high productivity, adaptability and phenotypic stability. The experiments were carried out in agricultural greenhouses, in two seasons, with three types of shading: uncovered (UC); covered with plastic diffuser film (PD), 130 microns thick, covered with plastic diffuser film (130 micron) + 50% shading screen (SS). Twelve eggplant genotypes were evaluated, with four replicates and an experimental plot consisting of four plants. The traits evaluated in this study were: fruit set index, number of fruits per plant, average production of fruits/plant and in vitro pollen viability. To assess the adaptability and stability of the genotypes, statistical analyzes and estimation of genetic parameters were performed using the mixed-models of REML/BLUP type, with the aid of SELEGEN software and the statistical model 51. According to the results obtained, the authors verified an agreement between the three methods: Relative Performance of Genetic Values (PRVG), Harmonic Average of Genotypic Values (MHVG) and Harmonic Mean of Relative Performance of Genetic Values (MHPRVG) for average fruits production per plant (PP), number of fruits per plant (NF) and in vitro pollen viability (IVPV), showing the high degree of agreement in the ordering of materials. Thus, it is possible to indicate that the genotypes with the best productive performance, adaptability and stability in the evaluated environments were CNPH135×CNPH60, CNPH135×CNPH51, CNPH135×CNPH141, CNPH109, CNPH109×CNPH60 and CNPH109×CNPH141.

Keywords:
Solanum melongena; genotype x environment interaction; mixed models

Parameters	NF	PP	FSI	IVPV
V_g	4.92	461390.78	14.97	44.87
V_int	3.60	299358.68	4.91	17.01
V_e	3.53	249577.05	11.32	26.82
V_f	12.53	1042775.71	32.73	92.28
h² _g	0.86	0.44	0.45	0.48
c² _int	0.28	0.28	0.15	0.18
h² _mg	0.88	0.89	0.92	0.93
A_cgen	0.93	0.94	0.96	0.96
r_gloc	0.57	0.60	0.75	0.72
CV_gi%	25.19	27.68	41.73	8.28
CV_e%	13.18	12.55	22.50	3.96
Average	8.80	2453.57	9.27	80.82

Trait	Ordering	Genotype (CNPH)	G	u+g	Gain	New average	U+g+gem
NF	1^st	135x141	4.38	13.19	4.38	13.19	13.72
	2^nd	109	1.90	10.71	3.14	11.95	10.94
	3^rd	135x51	1.84	10.65	2.71	11.52	10.87
	4^th	135x60	0.93	9.73	2.26	11.07	9.85
	5^th	Ciça	0.32	9.13	1.88	10.68	9.17
	6^th	109x141	-0.07	8.72	1.55	10.36	8.71
	7^th	Embú	-0.09	8.71	1.31	10.12	8.70
	8^th	109x60	-0.49	8.31	1.09	9.89	8.25
	9^th	47x60	-1.78	7.01	0.77	9.57	6.80
	10^th	60	-2.13	6.67	0.48	9.28	6.41
	11^th	135	-2.39	6.41	0.22	9.02	6.12
	12^th	410	-2.42	6.37	0.00	8.80	6.08
PP	1^st	135x60	827.46	3281.03	827.46	3281.03	3370.51
	2^nd	135x51	563.48	3017.05	695.47	3149.04	3077.98
	3^rd	47x60	531.57	2985.14	640.83	3094.40	3042.62
	4^th	Ciça	436.40	2889.97	589.72	3043.30	2937.16
	5^th	135x141	340.31	2793.88	539.84	2993.41	2830.68
	6^th	109x60	261.25	2714.82	493.41	2946.98	2743.08
	7^th	109	74.35	2527.92	433.54	2887.12	2535.96
	8^th	Embú	66.88	2520.45	387.71	2841.28	2527.68
	9^th	135	-448.11	2005.45	294.84	2748.41	1956.99
	10^th	109x141	-545.94	1907.62	210.76	2664.33	1848.58
	11^th	60	-844.22	1609.34	114.85	2568.42	1518.05
	12^th	410	-1263.44	1190.13	0.00	2453.57	1053.50
FSI	1^st	135x141	6.57	15.84	6.57	15.84	16.20
	2^nd	135x51	4.51	13.78	5.54	14.81	14.03
	3^rd	135x60	2.62	11.89	4.57	13.84	12.04
	4^th	109x141	2.15	11.42	3.96	13.23	11.53
	5^th	Ciça	2.06	11.33	3.58	12.85	11.44
	6^th	109	0.90	10.18	3.14	12.41	10.23
	7^th	47x60	-1.79	7.47	2.43	11.70	7.37
	8^th	Embú	-1.98	7.28	1.88	11.15	7.17
	9^th	109x60	-2.29	6.97	1.41	10.68	6.84
	10^th	135	-3.86	5.41	0.88	10.16	5.19
	11^th	60	-4.42	4.84	0.40	9.67	4.60
	12^th	410	-4.47	4.79	0.00	9.27	4.55
IVPV	1^st	410	6.51	87.34	6.51	87.34	87.75
	2^nd	Ciça	4.16	84.99	5.34	86.16	85.25
	3^rd	109x60	3.27	84.09	4.65	85.47	84.30
	4^th	109	3.23	84.05	4.29	85.12	84.26
	5^th	109x141	2.48	83.31	3.93	84.76	83.47
	6^th	47x60	2.31	83.14	3.66	84.49	83.28
	7^th	Embú	2.24	83.06	3.46	84.28	83.20
	8^th	135x60	1.02	81.84	3.15	83.98	81.90
	9^th	135x141	0.08	80.90	2.81	83.64	80.91
	10^th	60	-1.23	79.59	2.41	83.23	79.51
	11^th	135x51	-6.52	74.30	1.59	82.42	73.89
	12^th	135	-17.59	63.22	0.00	80.82	62.117

Genotypes (CNPH)	PP (g)			FSI (%)			NF			IVPV (%)
Genotypes (CNPH)	PRVG	MHVG	MHPRVG	PRVG	MHVG	MHPRVG	PRVG	MHVG	MHPRVG	PRVG	MHVG	MHPRVG
135	0.77	837.02	0.76	-0.06	18.08	0.73	0.66	2.61	0.63	0.76	61.65	0.76
47x60	1.26	1468.29	1.25	0.68	1.60	0.49	0.70	2.51	0.66	1.03	83.12	1.02
410	0.27	9.97	0.01	0.60	6.91	0.59	0.55	0.82	0.31	1.08	87.70	1.08
60	0.48	91.68	0.15	0.60	6.20	0.56	0.62	1.51	0.47	0.98	79.39	0.98
109	1.03	1169.47	1.03	1.29	4.80	1.23	1.31	6.22	1.29	1.04	84.19	1.04
109x60	1.18	1363.33	1.13	0.74	3.37	0.71	0.96	3.99	0.90	1.04	84.22	1.04
109x141	0.78	677.63	0.67	1.76	7.15	1.42	1.09	4.56	0.96	1.03	83.14	1.03
135x60	1.48	1690.23	1.39	1.45	9.91	1.36	1.17	4.78	1.07	1.01	81.74	1.01
135x51	1.41	1861.09	1.36	2.04	8.46	1.76	1.35	6.79	1.31	0.91	73.61	0.91
135x141	1.25	1607.33	1.22	3.36	13.55	2.05	1.72	8.65	1.67	1.00	80.48	0.99
Ciça	1.11	914.28	1.00	1.13	13.01	1.11	0.94	2.96	0.84	1.05	85.18	1.05
Embú	0.93	845.77	0.88	0.80	9.14	0.79	0.89	3.18	0.84	1.02	83.06	1.02

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[TFN1] V_g: genotypic variance; V_int: genotype x environment interaction variance; V_e: residual variance; V_f: individual phenotypic variance; h² _g: broad-sense heritability of individual plots; c² _int: coefficient of determination of genotype x environment interaction effect; h² _mg: heritability of the average of genotypes; A_cgen: accuracy of genotype selection; r_gloc: genotypic correlation considering the performance in various environments; CV_gi%: coefficient of genotypic variation; CV_e%: coefficient of residual variation.