ADAPTABILITY AND STABILITY FOR IRON AND ZINC IN COWPEA BY AMMI ANALYSIS<sup/>

CARDONA-AYALA, CARLOS ENRIQUE; ARAMENDIZ-TATIS, HERMES; CAMACHO, MIGUEL MARIANO ESPITIA

doi:10.1590/1983-21252021v34n310rc

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Article • Rev. Caatinga 34 (3) • Jul-Sep 2021 • https://doi.org/10.1590/1983-21252021v34n310rc copy

ADAPTABILITY AND STABILITY FOR IRON AND ZINC IN COWPEA BY AMMI ANALYSIS¹ 1 Received for publication in 05/08/2020; accepted in 05/27/2021.

ADAPTABILIDADE E ESTABILIDADE DE FERRO E ZINCO EM FEIJÃO-CAUPI POR MEIO DA ANÁLISE AMMI

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Iron and zinc deficiency is one of the main problems affecting vulnerable populations in the Colombian Caribbean, thereby generating malnutrition from the consumption of foods with low content of essential minerals. The objective of this study was to evaluate the genotype-environment interaction for iron and zinc accumulation in grains in 10 cowpea bean genotypes by additive main effects and multiplicative interaction (AMMI) model and to select the most stable ones to stimulate their planting or as parents in the genetic improvement program. Nine promising lines and a commercial control were evaluated using the randomized complete block design with 10 treatments and four replications in 10 environments of the northern Colombia in the second semester of 2017 and first of 2018. The adaptability and stability analysis was done using AMMI model. The results showed highly significant differences at the level of environments, genotypes, and genotype-environment interaction for iron and zinc, demostrating a differential adaptability of genotypes in the test environments. Genotypes 2 and 3 expressed greater adaptability and stability for iron contents in the seed; while genotype 1, recorded it for zinc contents. These three genotypes outperformed the commercial control and, therefore, can be recommended for planting or be used as parents in the genetic improvement program.

Keywords:
Vigna unguiculata ; Biofortification; Genotype-environment interaction; Micronutrients; Malnutrition

SV	DF	Iron				F	Zinc				F
SV	DF	SC	%SS	%SSA	MS	F	SS	%SS	%SSA	MS	F
E	9	16344.2	75.8	75.8	1816.0**	87.5	11567.2	90.8	90.8	1285.2**	194.0
G	9	1220.1	5.7	81.5	135.6**	6.5	291.0	2.3	93.0	32.3**	4.9
GEI	81	3987.6	18.5	100.0	49.2**	2.4	888.0	7.0	100.0	11.0**	1.7
PC1	17	1704.1	42.7	42.7	100.2**	4.9	360.4	40.6	40.6	21.2**	3.3
PC2	15	885.6	22.2	64.9	59.0**	2.9	241.3	27.2	67.8	16.1**	2.5
PC3	13	489.3	12.3	77.2	37.6*	1.8	120.6	13.6	81.4	9.3 ns	1.4
PC4	11	368.5	9.2	86.5	33.5 ns	1.6	73.6	8.3	89.6	6.7 ns	1.0
PC5	9	252.7	6.3	92.8	28.1 ns	1.4	51.6	5.8	95.5	5.7 ns	0.9
PC6	7	173.5	4.4	97.2	24.8 ns	1.2	22.6	2.6	98.0	3.2 ns	0.5
PC7	5	109.7	2.8	99.9	21.9 ns	1.1	10.2	1.2	99.1	2.0 ns	0.3
PC8	3	4.0	0.1	100.0	1.3 ns	0.1	5.9	0.7	99.8	2.0 ns	0.3
PC9	1	0.2	0.0	100.0	0.2 ns	0.01	1.8	0.2	100.0	1.8 ns	0.3
PC10		0	0	100.0	0	0.00	0	0	100.0	0	0
Error	300	6227.88	0	0	20.8		1987.44	0	0	6.62

Environment	Genotype										Mean	PC1	PC2
Environment	1	10	2	3	4	5	6	7	8	9	Mean	PC1	PC2
CE7B	55.0	57.3	56.0	62.4	62.6	59.3	53.1	49.7	62.4	58.5	57.6	0.55	-0.62
CE8A	61.6	58.4	58.5	57.1	59.0	61.0	53.4	63.9	61.2	57.1	59.1	-0.54	-0.45
LE8A	74.2	69.5	71.3	69.9	73.4	73.7	68.8	66.2	72.9	77.7	71.8	0.48	0.10
MA7B	58.5	55.4	61.6	59.0	57.4	57.9	64.3	58.0	57.8	59.1	58.9	-0.29	0.64
MO7B	70.0	58.1	67.8	69.2	71.7	72.4	72.5	62.7	72.6	71.5	68.9	0.55	0.68
PN7B	63.3	61.6	63.9	65.2	65.8	64.8	69.4	71.5	65.8	64.9	65.6	-0.82	0.43
PN8A	58.2	53.9	61.2	63.2	60.0	56.3	56.5	65.0	59.5	54.6	58.8	-0.80	-0.32
SA7B	58.0	54.6	57.8	55.2	55.0	57.1	60.1	54.4	59.0	52.9	56.4	-0.18	0.31
SA8A	46.6	46.1	56.3	49.8	53.4	49.5	45.1	47.3	57.4	45.8	49.7	0.05	-0.84
VI8A	60.8	46.7	58.6	55.9	55.5	56.3	51.9	43.1	58.2	55.3	54.2	1.00	0.06
Mean	60.6	56.2	61.3	60.7	61.4	60.8	59.5	58.2	62.7	59.7	60.1
PC1	0.23	-0.18	0.06	0.05	0.19	0.23	-0.14	-1.00	0.23	0.34
PC2	-0.13	0.08	0.48	0.17	0.20	-0.13	-0.66	0.00	0.39	-0.42

Environment	Genotype										Mean	PC1
Environment	1	10	2	3	4	5	6	7	8	9	Mean	PC1
CE7B	46.0	46.6	45.8	46.8	45.3	46.0	46.1	45.0	46.5	45.8	46.0	0.14
CE8A	37.4	37.6	36.6	36.8	36.6	37.4	38.5	38.3	36.8	35.8	37.2	-0.05
LE8A	44.5	47.7	43.7	43.8	44.8	43.6	49.5	42.9	44.0	43.8	44.8	-0.76
MA7B	45.3	42.1	43.5	46.3	44.3	44.0	45.4	41.6	43.0	43.0	43.9	0.00
MO7B	49.0	46.1	47.6	46.4	47.0	46.8	51.5	43.3	46.9	47.0	47.1	-0.56
PN7B	44.0	44.6	47.4	45.5	45.4	43.0	45.8	40.5	43.0	42.8	44.2	-0.05
PN8A	41.7	43.8	42.9	44.0	42.7	40.8	37.9	39.7	43.3	39.3	41.2	0.97
SA7B	43.5	41.9	39.9	42.3	42.1	42.7	45.8	38.2	41.6	40.6	41.9	-0.55
SA8A	30.9	29.5	29.5	31.6	34.8	31.8	31.2	31.7	34.7	29.8	31.6	0.55
VN8A	33.4	33.5	34.2	30.1	31.7	32.5	28.9	27.3	31.1	33.0	31.6	0.31
Mean	41.6	40.9	41.1	41.4	41.5	40.9	42.1	38.9	41.1	40.1	40.9
PC1	-0.08	-0.29	0.23	0.27	0.25	0.06	-1.00	0.24	0.38	-0.06

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[1] *Corresponding author

Brasil

Brasil

ADAPTABILITY AND STABILITY FOR IRON AND ZINC IN COWPEA BY AMMI ANALYSIS1 1 Received for publication in 05/08/2020; accepted in 05/27/2021.

ADAPTABILIDADE E ESTABILIDADE DE FERRO E ZINCO EM FEIJÃO-CAUPI POR MEIO DA ANÁLISE AMMI

ABSTRACT

ADAPTABILITY AND STABILITY FOR IRON AND ZINC IN COWPEA BY AMMI ANALYSIS¹ 1 Received for publication in 05/08/2020; accepted in 05/27/2021.