PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Caatinga |
DOI: | 10.1590/1983-21252022v35n209rc |
Texto Completo: | https://periodicos.ufersa.edu.br/caatinga/article/view/9762 |
Resumo: | Specific cultivars for production of green corn, more productive and adapted to the conditions of each region, combined with adequate population density, can increase the yield of the crop. This work aimed to identify, under different plant densities, the cultivars with agronomic characteristics for the production of green corn. The experiment was conducted from March to June 2018, in the experimental area of the Technical College of Teresina, at the Federal University of Piauí. The treatments were distributed in a randomized block design, in a factorial scheme, with three plant densities (40,000, 50,000 and 60,000 plants ha-1) and two corn cultivars (AG 1051 and BRS 3046). The variables evaluated were the diameter and length of the commercial green ear, the yield, the percentage of commercial green ear and the length of the period between the emergence (VE) and the flowering stage (VT) of the cultivars in relation to the accumulated number of degree-days (ADD). In terms of cycle (period between VE and VT), the hybrid AG 1051 was later, with 47 days after emergence (DAE) and 823.23 ADD, than the BRS 3046 (44 DAE and 773.32 ADD); however, there was an acceleration of the period of vegetative development in the hybrids, which ranged from 43 (773.32 ADD) to 47 (828.23 ADD) days, respectively, so that there was male flowering. With the increase in densities, there was decrease in the values of production. The highest yield of commercial ears (15.45 Mg ha-1) was obtained at a density of 50,000 plants ha-1. |
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PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIESINDICADORES PRODUTIVOS DE CULTIVARES DE MILHO VERDE EM DIFERENTES DENSIDADES POPULACIONAISZea mays L. Fenologia. Graus-dias.Zea mays L. Phenology. Degrees-days.Specific cultivars for production of green corn, more productive and adapted to the conditions of each region, combined with adequate population density, can increase the yield of the crop. This work aimed to identify, under different plant densities, the cultivars with agronomic characteristics for the production of green corn. The experiment was conducted from March to June 2018, in the experimental area of the Technical College of Teresina, at the Federal University of Piauí. The treatments were distributed in a randomized block design, in a factorial scheme, with three plant densities (40,000, 50,000 and 60,000 plants ha-1) and two corn cultivars (AG 1051 and BRS 3046). The variables evaluated were the diameter and length of the commercial green ear, the yield, the percentage of commercial green ear and the length of the period between the emergence (VE) and the flowering stage (VT) of the cultivars in relation to the accumulated number of degree-days (ADD). In terms of cycle (period between VE and VT), the hybrid AG 1051 was later, with 47 days after emergence (DAE) and 823.23 ADD, than the BRS 3046 (44 DAE and 773.32 ADD); however, there was an acceleration of the period of vegetative development in the hybrids, which ranged from 43 (773.32 ADD) to 47 (828.23 ADD) days, respectively, so that there was male flowering. With the increase in densities, there was decrease in the values of production. The highest yield of commercial ears (15.45 Mg ha-1) was obtained at a density of 50,000 plants ha-1. Cultivares específicas para produção de milho verde, mais produtivas e adaptadas às condições de cada região, aliada à adequada densidade populacional podem aumentar a produtividade da cultura. O objetivo deste trabalho foi, portanto, identificar, sob diferentes densidades de plantas, a cultivar com características agronômicas mais adequadas para produção de milho verde no município de Teresina, Piauí. O experimento foi conduzido no período de março a junho de 2018, na área experimental do Colégio Técnico de Teresina, da Universidade Federal do Piauí. Os tratamentos foram distribuídos em delineamento experimental de blocos casualizados, em esquema fatorial, com três densidades de plantas (40.000, 50.000 e 60.000 plantas ha-1) e duas cultivares de milho (AG 1051 e BRS 3046). Foram avaliados o diâmetro e o comprimento da espiga verde comercial, a produtividade, a porcentagem de espigas verdes comerciais e a duração do período entre a emergência (VE) e o pendoamento (VT) das cultivares em relação à quantidade acumulada de graus-dias (GDA). Em termos de ciclo (período entre VE e VT), o híbrido AG 1051 foi mais tardio, com 47 dias após a emergência (DAE) e 823,23 GDA, que o BRS 3046 (44 DAE e 773,32 GDA), havendo, todavia, aceleração do período de desenvolvimento vegetativo nos dois híbridos, que variou de 43 DAE (773,32 GDA) a 47 DAE (828,23 GDA), respectivamente, para que houvesse o pendoamento. Com o incremento das densidades, houve um decréscimo nos valores das variáveis de produção. A maior produtividade de espigas comerciais (15,45 Mg ha-1) foi obtida na densidade de 50.000 plantas ha-1.Universidade Federal Rural do Semi-Árido2022-04-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufersa.edu.br/caatinga/article/view/976210.1590/1983-21252022v35n209rcREVISTA CAATINGA; Vol. 35 No. 2 (2022); 331-339Revista Caatinga; v. 35 n. 2 (2022); 331-3391983-21250100-316Xreponame:Revista Caatingainstname:Universidade Federal Rural do Semi-Árido (UFERSA)instacron:UFERSAenghttps://periodicos.ufersa.edu.br/caatinga/article/view/9762/10903Copyright (c) 2022 Revista Caatingainfo:eu-repo/semantics/openAccessArruda, Francineuma Ponciano deMatos, Michaelly Heidy MoraesCruz, Antonio Leonício Ferreira daFarias, Eslane Reis2023-07-03T17:42:50Zoai:ojs.periodicos.ufersa.edu.br:article/9762Revistahttps://periodicos.ufersa.edu.br/index.php/caatinga/indexPUBhttps://periodicos.ufersa.edu.br/index.php/caatinga/oaipatricio@ufersa.edu.br|| caatinga@ufersa.edu.br1983-21250100-316Xopendoar:2024-04-29T09:46:52.559031Revista Caatinga - Universidade Federal Rural do Semi-Árido (UFERSA)true |
dc.title.none.fl_str_mv |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES INDICADORES PRODUTIVOS DE CULTIVARES DE MILHO VERDE EM DIFERENTES DENSIDADES POPULACIONAIS |
title |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES |
spellingShingle |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES Arruda, Francineuma Ponciano de Zea mays L. Fenologia. Graus-dias. Zea mays L. Phenology. Degrees-days. Arruda, Francineuma Ponciano de Zea mays L. Fenologia. Graus-dias. Zea mays L. Phenology. Degrees-days. |
title_short |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES |
title_full |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES |
title_fullStr |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES |
title_full_unstemmed |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES |
title_sort |
PRODUCTION INDICATORS OF GREEN CORN CULTIVARS AT DIFFERENT POPULATION DENSITIES |
author |
Arruda, Francineuma Ponciano de |
author_facet |
Arruda, Francineuma Ponciano de Arruda, Francineuma Ponciano de Matos, Michaelly Heidy Moraes Cruz, Antonio Leonício Ferreira da Farias, Eslane Reis Matos, Michaelly Heidy Moraes Cruz, Antonio Leonício Ferreira da Farias, Eslane Reis |
author_role |
author |
author2 |
Matos, Michaelly Heidy Moraes Cruz, Antonio Leonício Ferreira da Farias, Eslane Reis |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Arruda, Francineuma Ponciano de Matos, Michaelly Heidy Moraes Cruz, Antonio Leonício Ferreira da Farias, Eslane Reis |
dc.subject.por.fl_str_mv |
Zea mays L. Fenologia. Graus-dias. Zea mays L. Phenology. Degrees-days. |
topic |
Zea mays L. Fenologia. Graus-dias. Zea mays L. Phenology. Degrees-days. |
description |
Specific cultivars for production of green corn, more productive and adapted to the conditions of each region, combined with adequate population density, can increase the yield of the crop. This work aimed to identify, under different plant densities, the cultivars with agronomic characteristics for the production of green corn. The experiment was conducted from March to June 2018, in the experimental area of the Technical College of Teresina, at the Federal University of Piauí. The treatments were distributed in a randomized block design, in a factorial scheme, with three plant densities (40,000, 50,000 and 60,000 plants ha-1) and two corn cultivars (AG 1051 and BRS 3046). The variables evaluated were the diameter and length of the commercial green ear, the yield, the percentage of commercial green ear and the length of the period between the emergence (VE) and the flowering stage (VT) of the cultivars in relation to the accumulated number of degree-days (ADD). In terms of cycle (period between VE and VT), the hybrid AG 1051 was later, with 47 days after emergence (DAE) and 823.23 ADD, than the BRS 3046 (44 DAE and 773.32 ADD); however, there was an acceleration of the period of vegetative development in the hybrids, which ranged from 43 (773.32 ADD) to 47 (828.23 ADD) days, respectively, so that there was male flowering. With the increase in densities, there was decrease in the values of production. The highest yield of commercial ears (15.45 Mg ha-1) was obtained at a density of 50,000 plants ha-1. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-04-04 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufersa.edu.br/caatinga/article/view/9762 10.1590/1983-21252022v35n209rc |
url |
https://periodicos.ufersa.edu.br/caatinga/article/view/9762 |
identifier_str_mv |
10.1590/1983-21252022v35n209rc |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.ufersa.edu.br/caatinga/article/view/9762/10903 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2022 Revista Caatinga info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2022 Revista Caatinga |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal Rural do Semi-Árido |
publisher.none.fl_str_mv |
Universidade Federal Rural do Semi-Árido |
dc.source.none.fl_str_mv |
REVISTA CAATINGA; Vol. 35 No. 2 (2022); 331-339 Revista Caatinga; v. 35 n. 2 (2022); 331-339 1983-2125 0100-316X reponame:Revista Caatinga instname:Universidade Federal Rural do Semi-Árido (UFERSA) instacron:UFERSA |
instname_str |
Universidade Federal Rural do Semi-Árido (UFERSA) |
instacron_str |
UFERSA |
institution |
UFERSA |
reponame_str |
Revista Caatinga |
collection |
Revista Caatinga |
repository.name.fl_str_mv |
Revista Caatinga - Universidade Federal Rural do Semi-Árido (UFERSA) |
repository.mail.fl_str_mv |
patricio@ufersa.edu.br|| caatinga@ufersa.edu.br |
_version_ |
1822181057045200896 |
dc.identifier.doi.none.fl_str_mv |
10.1590/1983-21252022v35n209rc |