UENF WS01: popcorn hybrid with water use efficiency for the State of Rio de Janeiro

Lima, Valter Jário de; Amaral Júnior, Antônio Teixeira do; Kamphorst, Samuel Henrique; Santos, Adriano dos; Schmidt, Katia Fabiane Medeiros; Azeredo, Valdinei Cruz; Leite, Jhean Torres; Santos Junior, Divino Rosa dos; Santos, Talles de Oliveira; Bispo, Rosimeire Barboza; Carvalho, Carolina Macedo; Souza, Yure Pequeno de; Oliveira, Fabio Tomaz de; Chaves, Marcelo Moura; Oliveira, Uéliton Alves de; Mafra, Gabrielle Sousa; Santos, Pedro Henrique Araújo Diniz

doi:10.1590/1984-70332021v21n4c60

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CULTIVAR RELEASE • Crop Breed. Appl. Biotechnol. 21 (4) • 2021 • https://doi.org/10.1590/1984-70332021v21n4c60 linkcopy

UENF WS01: popcorn hybrid with water use efficiency for the State of Rio de Janeiro

Authorship SCIMAGO INSTITUTIONS RANKINGS

The UENF WS01 is a hybrid that has an early cycle and high grain yield capacity under low water and nitrogen availability. It maintains popping expansion even under abiotic stress, thus being recommended for cultivation in the North and Northwest of the State of Rio de Janeiro.

Keywords:
Plant breeding; abiotic stress; drought; nutritional deficiency

Authorship

person Valter Jário de Lima *

schoolUniversidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), Centro de Ciências e Tecnologias Agropecuárias (CCTA), Laboratório de Melhoramento Genético Vegetal, 28.013-602, Campos dos Goytacazes, Brazil. Universidade Estadual do Norte Fluminense Darcy RibeiroBrazilCampos dos Goytacazes, BrazilUniversidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), Centro de Ciências e Tecnologias Agropecuárias (CCTA), Laboratório de Melhoramento Genético Vegetal, 28.013-602, Campos dos Goytacazes, Brazil.

0000-0002-2982-085X

person Antônio Teixeira do Amaral Júnior

person Samuel Henrique Kamphorst

person Adriano dos Santos

person Katia Fabiane Medeiros Schmidt

person Valdinei Cruz Azeredo

person Jhean Torres Leite

person Divino Rosa dos Santos Junior

person Talles de Oliveira Santos

person Rosimeire Barboza Bispo

person Carolina Macedo Carvalho

person Yure Pequeno de Souza

person Fabio Tomaz de Oliveira

person Marcelo Moura Chaves

person Uéliton Alves de Oliveira

person Gabrielle Sousa Mafra

person Pedro Henrique Araújo Diniz Santos

* E-mail:
valter_jario@hotmail.com

SCIMAGO INSTITUTIONS RANKINGS

Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), Centro de Ciências e Tecnologias Agropecuárias (CCTA), Laboratório de Melhoramento Genético Vegetal, 28.013-602, Campos dos Goytacazes, Brazil. Universidade Estadual do Norte Fluminense Darcy RibeiroBrazilCampos dos Goytacazes, BrazilUniversidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), Centro de Ciências e Tecnologias Agropecuárias (CCTA), Laboratório de Melhoramento Genético Vegetal, 28.013-602, Campos dos Goytacazes, Brazil.

Figures | Tables

Figures (2)
Tables (2)

Thumbnail

Figure 1 Performance comparison of grain yield (t ha^-1) of popcorn UENF WS01 hybrid with controls (UENF14 and hybrids) and mean experimental values in crop seasons of 2018 and 2020 under well-watered (WW) and water stress (WS) conditions.

Thumbnail

Figure 2 Performance comparison of grain yield (t ha^-1) of popcorn UENF WS01 hybrid with controls (UENF14 and hybrids) and mean experimental values in Campos dos Goytacazes and Itaocara, RJ, under low and high soil N availability.

Thumbnail

Table 1 Summary of the analysis of variance, coefficient of variation, water and N use efficiencies and mean values of WS01 hybrid under different experimental conditions (in the crop seasons of 2018 and 2020, under well-watered (WW) and water stress (WS)), and nitrogen fertilization (Campos dos Goytacazes and Itaocara, RJ), with low or high soil N availability

Thumbnail

Table 2 Means of the agronomic and morphological traits of the UENF WS01 popcorn hybrid under ideal cultivation conditions (IC), water stress (WS), and low nitrogen (N) availability

imageFigure 1 Performance comparison of grain yield (t ha^-1) of popcorn UENF WS01 hybrid with controls (UENF14 and hybrids) and mean experimental values in crop seasons of 2018 and 2020 under well-watered (WW) and water stress (WS) conditions. open_in_new

imageFigure 2 Performance comparison of grain yield (t ha^-1) of popcorn UENF WS01 hybrid with controls (UENF14 and hybrids) and mean experimental values in Campos dos Goytacazes and Itaocara, RJ, under low and high soil N availability. open_in_new

table_chartTable 1 Summary of the analysis of variance, coefficient of variation, water and N use efficiencies and mean values of WS01 hybrid under different experimental conditions (in the crop seasons of 2018 and 2020, under well-watered (WW) and water stress (WS)), and nitrogen fertilization (Campos dos Goytacazes and Itaocara, RJ), with low or high soil N availability

Identification	Environment
	2018		2020		Campos dos Goytacazes		Itaocara
	WW	WS	WW	WS	High N	Low N	High N	Low N
Middle square	0.9682 ^**	0.6686 ^**	1.6031 ^**	0.5443 ^**	0.5767 ^**	0.5205 ^**	1.1378 ^**	0.7525 ^**
CVe (%)	11.3	16.42	12.61	16.71	6.3	8.67	5.68	8.58
Experimental means (t ha^-1)	3.24	1.97	3.31	1.49	1.71	1.35	3.18	2.70
Means (L61/L76)	3.84	2.49	4.63	2.65	2.53	1.95	4.44	3.52
	Agronomic water-use efficiency (WUE)				Nitrogen use efficiency (NUE)
	kg of grains / Liters of water (kg L ^-1)				kg of grains / kg of N
Experimental means	9.67	9.06	11.19	7.63	10.69	19.18	19.88	38.35
L61/L76	11.46	11.45	15.65	13.58	15.81	27.70	27.75	50.00

^*
^* Significant at 0.01 probability by the F test.

table_chartTable 2 Means of the agronomic and morphological traits of the UENF WS01 popcorn hybrid under ideal cultivation conditions (IC), water stress (WS), and low nitrogen (N) availability

Traits	IC	WS	N
Male flowering (days after sowing)	61	60	60
Female flowering (days after sowing)	62	63	61
Plant height (m)	1.75	1.40	1.74
Ear Height (m)	1.05	0.89	1.01
Prolificity (ears/plant)	1.56	1.10	1.52
Ear diameter (mm)	35.33	31.47	-
Ear length (cm)	13.83	12.21	-
100-grain weight (g)	15.31	13.45	11.47
Popping expansion (mL g^-1)	31.86	33.11	31.94

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