BRS Deni - Super-sweet corn open-pollinated variety

Teixeira, Flavia França; Pereira Filho, Israel Alexandre; Meirelles, Walter Fernandes; Machado, Jane Rodrigues de Assis; Portugal, Arley Figueiredo; Cotta, Luciano Viana

doi:10.1590/1984-70332022v22n1c04

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CULTIVAR RELEASE • Crop Breed. Appl. Biotechnol. 22 (1) • 2022 • https://doi.org/10.1590/1984-70332022v22n1c04 linkcopy

BRS Deni - Super-sweet corn open-pollinated variety

Authorship SCIMAGO INSTITUTIONS RANKINGS

BRS Deni is a super-sweet corn open-pollinated variety, developed and released by the Brazilian Agricultural Research Corporation (Embrapa) that combines high yield and good ear and grain quality and lower production costs. The grain can be consumed fresh or canned.

Keywords:
Zea mays; Shrunken-2; specialty corn

	FF^{1, 2}												EH (cm)³
SV	df	MS	F			df		MS		F			MS		F
Block/Location	6	0.56				10		223.22					159.82
Treatment (T)	3	2.99	6.87		*	3		508.47		3.47			517.75		3.79	*
Location (L)	2	2.58	4.65			4		22614.96		101.31	**		3541.02		22.16	**
T x L	6	0.44	0.53			12		146.42		2.19	*		136.58		1.8
Error	18	0.81				30		66.75					75.95
Mean		59.92						261.5					132.32
CV (%)		1.5						3.12					6.59
Means⁷
BRS Vivi			60.44		a			267.13					137.37		a
Tropical Plus			59.22	b				254.87					123.83		b
SWB 551			60.33	ab				265.6					134.2		a
BRS Deni			59.67	ab				258.23					133.57		a

	PR⁴						GY⁵		EY ⁶
SV	df	MS		F		df		MS	F			df		MS	F
Block/Location	8	0.0134				12		0.37				4		1.22
Treatment (T)	3	0.0984		1.53		3		0.88	1.24			3		3.26	0.64
Location (L)	3	0.0678		5.07	**	5		21.39	57.36		**	1		37.25	30.3
T x L	9	0.0619		2.57	**	15		0.71	1.74			3		5.08	4.88	*
Error	24	0.024				36		0.41				12		1.04
Mean		1.0235						3.32						10.35
CV (%)		15.14						19.22						9.86
Means
BRS Vivi		0.915					3.5						10.4
Tropical Plus		0.998					3.08						9.53
SWB 551		1.1245					3.5						11.31
BRS Deni		1.0564					3.18						10.17

	LE (cm)¹				DE (mm)			NR
SV	df	MS	F		MS	F		MS	F
Block/Location	4	0.32			1			0.33
Treatment (T)	3	1.96	2.44		104.2	10.3	*	0.4	4.76
Location (L)	1	6	16.57	**	9.75	9.73	*	0.03	0.08
T x L	3	0.8	2.43		10.11	2.84		0.08	0.34
Error	12	0.33			3.57			0.25
Mean		16.48			40			14.98
CV (%)		3.49			4.72			3.31
Means²
BRS Vivi		17			46.03	a		15.1
Tropical Plus		16.74			39.51	b		15.26
SWB 551		15.7			36.89	b		14.9
BRS Deni		16.51			37.6	b		14.67
		EW (g)			GW (g)			BR
SV	df	MS	F		MS	F		MS	F
Block/Location	4	58.49			149.99			0.57
Treatment (T)	3	5471.24	6.68		44.16	0.16		6.82	4.6
Location (L)	1	618.13	10.57	*	54.3	0.36		0.33	0.57
T x L	3	818.81	4.8	*	259.86	2.7		1.48	0.98
Error	12	170.57			96.24			0.81
Mean		158.77			104.19			15.64
CV (%)		8.22			9.41			7.84
Means
BRS Vivi		201.46			100.37			16.13
Tropical Plus		158.66			106.76			16.84
SWB 551		135.7			105.04			14.47
BRS Deni		139.25			104.62			15.04

Characteristics*	Means
Stem diameter	23.45 mm
Tassel stem length	46.7 cm
Number of degree days from sowing to 50% pollen shed	951.5
Number of secondary branches on tassel	15.75
Ear slope	Oblique
Ear weight with husk at green grain stage	225 g
Husking degree	high (ear completely covered)
Number of husk layers	11 layers
Ear shape	Conical/Cylindrical
Grain row direction from ear base to apex	Straight
Ratio ear to cob diameter	0.605
Cob color	White
Percentage of ear weight corresponding to grains (at 13% moisture)	80.21%
Stigma-style color	Absent
Grain color	Light yellow
Pericarp color	Absent
Grain depth	1.0 cm
1000-grain weight (adjusted to 13% moisture)	142.30 g
Hectoliter grain weight	0.61 kg
Reaction to white spot **	4: susceptible
Reaction to maize stunt **	3: moderately resistant
Reaction to common rust **	2: resistant
Reaction to leaf anthracnose **	2: resistant

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Crop Breeding and Applied Biotechnology Universidade Federal de Viçosa, Departamento de Fitotecnia, 36570-000 Viçosa - Minas Gerais/Brasil, Tel.: (55 31)3899-2611, Fax: (55 31)3899-2611 - Viçosa - MG - Brazil
E-mail: cbab@ufv.br

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[TFN2] ¹
FF: number of days to female flowering, PH: plant height, EH: first ear height, PR: prolificity, GY: grain yield at maturity, EY: unhusked ear yield at green corn stage ² Trial in environments 1, 3 and 4; ³ Trial in environments 1 to 5; ⁴ Trial in environments 1, 2, 4 and 5; ⁵ Trial in environments 1 to 6; ⁶ Trial in environments 1 and 3; ⁷ Means followed by the same letter did not differ by the Tukey test at 5% probability. ** and * F test significant at 1 and 5% probability, respectively.