Comparison of testers in the selection of S<sub>3</sub> families obtained from the UENF-14 variety of popcorn

Pena, Guilherme Ferreira; Amaral Júnior, Antonio Teixeira do; Gonçalves, Leandro Simões Azeredo; Vivas, Marcelo; Ribeiro, Rodrigo Moreira; Mafra, Gabrielle Sousa; Santos, Adriano dos; Scapim, Carlos Alberto

doi:10.1590/1678-4499.215

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Plant Breeding • Bragantia 75 (2) • Apr-Jun 2016 • https://doi.org/10.1590/1678-4499.215 copy

Comparison of testers in the selection of S₃ families obtained from the UENF-14 variety of popcorn

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

The use of topcross has proven to be an interesting option for the maize crop; however, for the popcorn, there is little information about the choice of the appropriate tester. In this context, this study aimed to analyze four testers including two open pollinated varieties(BRS Angela and UENF-14), one topcross hybrid (IAC125) and a line (P₂), to evaluate the combining ability of 50 S3 families of popcorn, obtained from the UENF-14 variety. Popcorn families were evaluated for grain yield (GY) and popping expansion (PE). The estimates of general and specific combining abilities were obtained and the discrimination of each tester through differentiation index was carried out. The testers BRS Angela (for GY) and IAC 125 (for PE) were the most adequate, when combined with the best S₃ families derived from UENF-14, for the production of popcorn hybrids for the Northern and Northwestern Fluminense Regions.

Key words
Zea mays var. everta; topcross; yield; popping expansion

				Mean squares
SV	DF	BRS Angela	IAC 125	P₂	UENF14	S₃ per se
				Grain yield
Repetitions	1	2183900.99	593525.18	343761.99	370365.60	7651779
Treatments	49	1219809.45**	1178969.05**	1056164.30*	1127949.90**	398531.47**
Residual	49	489229.97	573285.61	540400.29	544026.16	122655.83
Mean		4638.79	4531.62	5264.58	4353.59	1346.69
		22830.61	18927.61	16117.62	1824762	8621.11
		38119.04	36842.78	33005.13	35248.43	12454.11
ĥ ₂		0.59	0.51	0.49	0.51	0.69
CV_e		15.07	16.71	13.96	16.94	26.00
CV_g		3.25	3.03	2.41	3.10	6.89
I_v(%)		21.61	18.17	17.27	18.31	26.52
				Popping expansion
Repetitions	1	0.24	1.62	14.31	3.05	32.12
Treatments	49	23.21**	25.04**	27.60**	18.35**	67.87*
Residual	49	19.46	10.89	13.58	7.85	38.11
Mean		30.99	32.13	25.44	30.13	25.06
		0.11	0.44	0.44	0.33	0.93
		0.72	0.78	0.86	0.57	2.12
h ²		0.16	0.56	0.51	0.57	0.44
CV_e		14.23	14.22	14.48	9.3	24.62
CV_g		1.10	2.07	2.60	1.90	3.85
I_v(%)		7.76	14.55	1797	20.44	15.63

SV	DF	MS
SV	DF	GY	PE
Crossings	199	1635761.22^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.	35.25^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.
GCA S₃ Families (I)	49	1938796.04^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.	25.25^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.
GCA Testers (II)	3	19506622.89^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.	883.32^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.
SCA	147	1170038.15^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.	21.28^ Significant 1% probability; MS = Mean squares; SV = Sources of variation; DF = Degrees of freedom; GY = Grain yield; PE = Popping expansion; GCA = General combining ability; SCA = Specific combining ability.
Residual	196	536735.51	12.94

Order	BRS Angela
Order	S₃	Mean	Ŝ_ij	S₃	Mean	Ŝ_ij	S₃	Mean	Ŝ_ij	S₃	Mean	Ŝ_ij
1°	4	5113.81	1463.8	9	7444.44	1960.3	49	7349.70	2359	2	6803.70	1223.7
2°	9	5112.79	771.9	20	6481.48	1712.5	41	6768.82	1445	19	6039.06	1719.6
3°	13	4790.06	1387.6	11	5577.78	996.7	24	6589.84	1460	4	5837.04	1169.4
4°	50	4751.87	1235.2	33	5574.07	689.1	43	6580.71	1785	20	5352.94	709.6
5°	16	4583.67	981.8	3	5451.85	976	50	6454.00	1074	47	5296.88	957
6°	22	4359.79	1149.8	14	5374.07	875.5	18	6370.02	1375	46	5251.93	-1032
7°	15	4195.29	871.0	31	5346.30	681	2	6235.66	846.5	16	5238.64	619.1
8°	23	4160.94	634.1	35	5274.07	993.5	30	6120.85	903	44	5238.64	-563.6
9°	33	4150.85	409.2	37	5222.22	736.8	36	6102.33	965.5	23	5174.58	630.1
10°	30	4128.63	774.0	45	5088.89	943.0	13	6012.06	746.3	21	5076.77	842.2
11°	31	4111.77	589.7	25	5081.48	747.9	1	5846.00	628.6	30	5072.98	700.7
12°	45	4108.45	1106	5	5000.00	504.6	10	5830.41	715.2	24	4976.69	294.2
13°	41	4002.19	-459.7	23	4970.37	300.3	15	5823.77	636.2	3	4954.97	604.7
14°	7	3964.13	10074	41	4855.56	251.9	31	5783.81	398.5	9	4932.24	-426.2
15°	6	3930.67	695.7	4	4851.85	58.6	29	5734.88	653.4	31	4883.51	-1104
16°	17	3874.61	819.4	42	4840.74	470.9	11	5719.29	418.2	15	4875.67	533.7
17°	8	3811.64	499.3	1	4829.63	332.2	33	5608.96	4.0	8	4832.24	502.2
18°	3	380743	-603.9	18	4829.63	555.3	17	5583.98	665.5	32	4775.59	459.2
19°	19	3775.24	-604.8	19	4662.96	217.8	8	553781	362.2	10	4725.85	456.2
20°	40	3749.51	344.7	50	4655.56	-4.4	9	5511.11	-5.7	11	4712.71	257.3
21°	2	3722.37	196.5	46	4625.93	205.2	44	5504.05	430.7	6	4648.65	396
22°	46	3637.06	359.6	8	4618.52	162.9	40	5500.78	232.7	33	4628.03	-131.2
23°	1	3627.61	273.5	6	4607.41	229.1	14	5464.69	246.1	34	4591.50	539
24°	20	3549.32	-76.3	16	4511.11	-234	35	5418.52	418	1	4493.86	122.1
25°	14	3539.23	184.0	36	4496.30	79.4	23	5377.78	-12.2	50	4453.96	38.7
26°	32	3515.47	216.7	30	4492.59	-5.3	4	5352.80	-160	22	4409.94	182.3
27°	21	3488.01	1517.1	15	4488.89	21.3	19	5331.96	166.8	13	4373.49	-46.5
28°	37	3406.41	64.3	32	4474.07	32.06	42	5317.92	228.1	37	4368.27	8.5
29°	5	3378.44	26.3	47	4429.63	3.06	25	5208.96	155.4	40	4362.96	317
30°	42	3369.24	142.7	2	4400.00	-269.1	5	5207.41	-7.9	49	4183.59	-415
31°	36	3356.21	82.6	49	4385.19	114.6	34	5168.99	271	29	4118.52	-117.3
32°	11	3329.14	-1094	26	4377.78	232.4	47	5061.01	-85.5	28	4107.41	286.3
33°	38	3270.52	254.2	44	4225.93	-127.3	3	4991.22	-204	39	4093.10	6
34°	34	3260.94	-590.7	39	4137.04	235.3	38	4977.18	97.6	26	4058.67	38.9
35°	43	3252.00	-1023	12	4051.85	-207.3	16	4963.14	-502	12	3942.34	-191.2
36°	35	3251.36	114.2	24	4033.33	-376.8	37	4807.58	-398	7	3805.22	-169.1
37°	39	3181.63	-740.6	10	4000.00	-395.2	28	4754.18	87.5	14	3799.92	-573
38°	10	3164.13	-878	34	3970.37	-207.7	20	4719.89	-769	25	3760.86	-4470
39°	26	2980.99	-21.06	48	3951.85	-36.9	12	4664.51	-314	41	3747.06	-59.4
40°	18	2849.70	-281.3	38	3940.74	-218.8	32	4583.03	-580	36	3730.64	-560.5
41°	25	2846.64	-343.5	13	3770.37	-775.3	45	4562.19	-303	18	3495.20	-653.4
42°	49	2842.42	-1315	40	3729.63	-818.4	6	4436.44	-662	48	3448.15	996
43°	47	2780.35	-502.9	29	3585.19	-776.2	7	4434.88	-385	38	3423.23	-610
44°	27	2630.67	-42.8	43	3540.74	-534.2	27	4426.53	-110	5	3416.92	-952.8
45°	48	2622.24	-223.2	22	3496.30	-856.9	48	4401.55	-307	35	3407.91	-747
46°	12	2529.27	-586.6	21	3340.74	-1019	26	4284.58	-581	43	3385.69	-1084
47°	24	2231.31	-1035	28	3255.56	-691.1	46	4283.21	-857	27	3306.82	-384.3
48°	28	2121.22	-682.2	27	3122.22	-694.6	21	4095.09	-985	42	3159.77	-731
49°	44	2113.30	-1096	7	2966.67	-233.3	22	3883.98	-120	17	3150.17	-922.7
50°	29	1125.56	-2092	17	2651.85	-880	39	3829.80	-792	45	2988.30	1011
		D = 28,24			D = 26.53			D = 27.18			D = 28.98

Order	BRS Angela
Order	S₃	Mean	Ŝ_ij	S₃	Mean	Ŝ_ij	S₃	Mean	Ŝ_ij	S₃	Mean	Ŝ_ij
1°	44	37.33	7.08	21	41.33	-4	2	34.17	9.22	40	34.83	3.93
2°	39	36.67	6.56	2	40.67	8.96	1	31.92	7.88	25	34.58	2.74
3°	7	36.25	4.2	45	40.00	3.04	7	30.58	4.01	4	33.83	3.88
4°	31	35.83	4.76	23	36.67	1.83	30	30.50	8.37	47	33.58	1.85
5°	19	35.42	7.3	48	36.25	0.39	39	30.42	5.75	1	33.33	4.55
6°	18	35.00	0.95	44	35.42	3.84	18	29.33	0.73	11	33.00	1.11
7°	48	34.67	3.88	9	35.00	1.37	8	29.25	3.03	20	32.92	4.05
8°	13	34.58	2.54	39	35.00	3.57	46	29.00	5.09	27	32.83	2.35
9°	16	34.25	2.19	25	34.58	0.72	45	28.25	5.47	14	32.58	2.07
10°	34	34.00	2.49	14	34.58	2.05	23	28.08	0.01	37	32.58	3.91
11°	33	33.92	3.6	46	34.58	3.92	12	27.75	1.83	15	32.42	1.49
12°	2	33.83	3.4	33	34.50	1.76	27	27.58	1.84	22	32.33	5.41
13°	21	33.75	2.3	35	34.50	2.39	49	27.58	4.15	23	32.33	-0.5
14°	26	33.67	2.22	49	34.50	4.31	9	27.42	0.55	31	32.33	1.95
15°	14	33.42	2.2	41	34.33	3.30	16	27.33	-6.8	8	32.25	1.29
16°	23	33.33	-0.2	47	34.17	0.42	40	27.25	1.09	34	32.00	2.3
17°	50	33.33	4.25	37	33.42	2.73	21	27.17	1.23	48	31.92	1.83
18°	30	33.08	5.52	6	33.33	1.12	48	27.00	1.66	45	31.42	3.89
19°	47	32.92	0.48	24	33.33	0.34	33	26.92	0.94	50	31.33	2.95
20°	5	32.67	3.01	34	33.33	1.60	5	26.50	2.28	49	31.17	3
21°	9	32.42	0.11	40	33.33	0.41	28	26.50	0.88	16	31.00	-0.3
22°	43	32.33	-5.2	42	33.17	-1.1	36	26.25	0.96	39	30.92	1.50
23°	46	32.08	2.73	4	33.17	1.19	4	26.08	0.87	26	30.75	5.92
24°	35	32.00	-8.4	8	33.00	0.02	14	25.92	0.15	35	30.67	0.58
25°	45	32.00	-3.9	15	32.92	-0.1	42	25.58	-1.9	44	30.33	0.77
26°	11	31.92	-0.6	20	32.83	1.95	15	25.42	-0.7	7	30.00	-1.3
27°	32	31.67	0.32	31	32.83	0.43	22	25.08	0.24	24	29.83	-1.1
28°	25	30.92	-1.6	36	32.67	-9.1	13	24.92	-1.7	19	29.50	2.10
29°	20	30.50	0.94	30	32.42	3.53	31	24.92	-0.7	17	29.17	0.38
30°	40	30.17	-1.4	13	32.42	-0.9	10	24.75	1.72	42	29.17	-3.0
31°	42	30.17	-2.7	43	32.42	0.46	26	24.58	-1.4	5	29.08	0.12
32°	15	30.00	-1.6	10	32.17	2.37	6	24.50	-0.9	13	28.92	-2.4
33°	27	29.92	-1.2	18	31.92	-3.4	43	24.25	-0.9	29	28.83	-1.3
34°	24	29.92	-1.7	3	31.58	-0.1	35	24.17	-1.2	2	28.75	-0.9
35°	49	29.83	0.96	5	31.50	0.52	37	24.00	0.1	18	28.75	-4.6
36°	1	29.50	0.03	17	31.42	4.19	20	23.50	-0.6	6	28.42	-1.7
37°	10	29.50	1.03	11	31.33	-2.6	32	23.50	-2.4	28	28.33	-2.0
38°	12	29.33	-2.0	27	31.25	-1.2	44	23.50	-13	38	28.25	0.31
39°	29	29.17	-1.6	1	31.00	0.21	34	23.42	-1.5	9	28.08	-3.5
40°	22	28.67	-1.6	29	31.00	-1.1	11	23.25	-2.3	3	27.83	-1.8
41°	3	28.50	-1.8	50	30.58	0.19	29	23.08	-3.9	41	27.75	-1.2
42°	41	28.50	-1.2	7	30.25	-3.1	25	22.92	-4.2	30	27.67	0.79
43°	4	28.25	-2.4	26	30.08	-2.7	41	22.92	-1.3	43	27.33	-2.6
44°	8	27.75	-3.9	16	30.00	-3.4	19	22.33	-0.3	32	27.17	-3.5
45°	38	27.67	-0.9	28	29.75	-2.6	50	22.17	-1.5	10	26.50	-1.3
46°	17	27.58	-1.9	38	29.33	-0.6	24	21.92	-4.3	12	26.25	-4.4
47°	36	27.25	-3.5	19	28.17	-1.2	47	21.42	-5.5	36	24.42	1.96
48°	28	26.33	-4.7	12	27.33	-5.3	3	20.92	-4.0	33	24.08	-0.2
49°	6	25.83	-5.0	22	26.50	-5.1	38	20.83	-2.3	46	22.25	-6.4
50°	37	25.25	-4.1	32	25.25	-7.4	17	17.25	0.72	21	18.92	-12
		D = 751			D = 19.92			D = 16.08			D = 25.22

							Popping expansion
S₃	RG	T1	T2	T3	T4	CGC	S₃	CE	T1	T2	T3	T4	CGC
2	1106			7°	1°	7°	1	16.6			2°	5°
4	1087	1°			3°	3°	2	21.5		2°	1°
5	1972		5°				4	23.5				3°
9	2585	2°	1°			1°	7	26.1	3°		3°
11	1640		3°				8	27.1			7°
13	1202	3°					9	29.3		7°			7°
14	1397		6°				11	32.2				6°	4°
15	670	7°					13	29.3	8°
16	1824	5°			7°	5°	14	23.2				9°
18	817			6°			16	28.5	9°
19	907				2°		18	35.2	6°		6°		1°
20	1516		2°		4°	4°	19	28.6	5°
22	1830	6°					20	19.9				7°
23	1330	8°			9°	6°	21	32.7		1°
24	1416			3°			23	30.4		4°			2°
30	576			8°			25	30.2		9°		2°	5°
31	1814		7°				27	25.5				8°
33	2051	9°	4°			2°	30	11.6			4°
35	938		8°				31	22.9	4°
36	1316			9°			39	15.5	2°	8°	5°
37	1531		9°				40	25.2				1°
41	1720			2°			42	34.2					3°
43	1084			4°			44	25.2	1°	6°
44	1364				8°		45	16.2		3°	9°
46	1276				6°		46	20.0			8°
47	1414				5°		47	30.2				4°	6°
49	709			1°			48	21.7	7°	5°
50	974	4°		5°

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[1] *Corresponding author: amaraljr@pq.cnpq.br

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Comparison of testers in the selection of S3 families obtained from the UENF-14 variety of popcorn

ABSTRACT

Comparison of testers in the selection of S₃ families obtained from the UENF-14 variety of popcorn