Potential yield of soybean during the ontogeny according to water availability and plant arrangement

Detalhes bibliográficos
Autor(a) principal: Maehler, André Roberto
Data de Publicação: 2003
Outros Autores: Pires, João Leonardo Fernandes, Costa, José Antonio, Ferreira, Felipe Gutheil
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/6565
Resumo: The quantification of reproductive structures during the ontogeny allows to estimate soybean yield potential (YP), making possible to quantify the effect of environmental factors and management practices on the production and fixation of these structures. This work aimed to determine the effect of water availability and plant arrangement on the YP and its components, during ontogeny of two soybean cultivars. Treatments were two water availability (irrigated and non irrigated), two cultivars (BRS 137 and BRS 138), and three row spacings (20 cm, 40 cm and 20 and 40 cm in skip row). The average YP obtained was of 15,295 kg ha-1 at blooming; 12,325 kg ha-1 during legume formation; 5,508 kg ha-1 at the beginning of grain filling and 4,315 kg ha-1 in maturation phase. The irrigated treatment had higher YP, due to the larger flower and pod production and fixation, more grains per pod and heavier grains, in relation to non irrigated treatment. There was no significant difference among the row spacings tested. The cultivar BRS 137 presented greater YP during the ontogeny than BRS 138, due to less flower abortion, heavier grains and more grains per pod.
id EMBRAPA-4_797238542840e35ebfeaf3e74e79d5a7
oai_identifier_str oai:ojs.seer.sct.embrapa.br:article/6565
network_acronym_str EMBRAPA-4
network_name_str Pesquisa Agropecuária Brasileira (Online)
repository_id_str
spelling Potential yield of soybean during the ontogeny according to water availability and plant arrangementPotencial de rendimento da soja durante a ontogenia em razão da irrigação e arranjo de plantasGlycine max; developmental stages; water availability; yield components; grainGlycine max; etapa de desenvolvimento; disponibilidade hídrica; componentes de rendimento; grãoThe quantification of reproductive structures during the ontogeny allows to estimate soybean yield potential (YP), making possible to quantify the effect of environmental factors and management practices on the production and fixation of these structures. This work aimed to determine the effect of water availability and plant arrangement on the YP and its components, during ontogeny of two soybean cultivars. Treatments were two water availability (irrigated and non irrigated), two cultivars (BRS 137 and BRS 138), and three row spacings (20 cm, 40 cm and 20 and 40 cm in skip row). The average YP obtained was of 15,295 kg ha-1 at blooming; 12,325 kg ha-1 during legume formation; 5,508 kg ha-1 at the beginning of grain filling and 4,315 kg ha-1 in maturation phase. The irrigated treatment had higher YP, due to the larger flower and pod production and fixation, more grains per pod and heavier grains, in relation to non irrigated treatment. There was no significant difference among the row spacings tested. The cultivar BRS 137 presented greater YP during the ontogeny than BRS 138, due to less flower abortion, heavier grains and more grains per pod.Estimativas do potencial de rendimento (PR) da soja podem ser feitas durante a ontogenia pela quantificação das estruturas reprodutivas, de modo a avaliar o efeito de fatores ambientais e práticas de manejo na produção e fixação dessas estruturas. O objetivo deste trabalho foi determinar o efeito da disponibilidade hídrica e arranjo de plantas no PR e seus componentes, durante a ontogenia de duas cultivares de soja. Os tratamentos constituíram-se de dois regimes hídricos (irrigado e não irrigado), duas cultivares (BRS 137 e BRS 138) e três espaçamentos entre linhas (20 cm, 40 cm e 20 e 40 cm em linhas pareadas). O PR médio foi de 15.295 kg ha-1 no estádio de florescimento; 12.325 kg ha-1 na formação de legumes; 5.508 kg ha-1 no início do enchimento de grãos e 4.315 kg ha-1 na maturação. O tratamento irrigado apresentou PR mais elevado em razão da maior produção e fixação de estruturas reprodutivas, mais grãos por legume e grãos mais pesados do que o tratamento não irrigado. Não houve diferença significativa entre espaçamentos. O PR da cultivar BRS 137 é mais elevado do que o da BRS 138, em virtude da menor abscisão de flores, grãos mais pesados e maior número de grãos por legume.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraMaehler, André RobertoPires, João Leonardo FernandesCosta, José AntonioFerreira, Felipe Gutheil2003-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/6565Pesquisa Agropecuaria Brasileira; v.38, n.2, fev. 2003; 225-231Pesquisa Agropecuária Brasileira; v.38, n.2, fev. 2003; 225-2311678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/6565/3622info:eu-repo/semantics/openAccess2014-08-12T19:42:17Zoai:ojs.seer.sct.embrapa.br:article/6565Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-08-12T19:42:17Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Potential yield of soybean during the ontogeny according to water availability and plant arrangement
Potencial de rendimento da soja durante a ontogenia em razão da irrigação e arranjo de plantas
title Potential yield of soybean during the ontogeny according to water availability and plant arrangement
spellingShingle Potential yield of soybean during the ontogeny according to water availability and plant arrangement
Maehler, André Roberto
Glycine max; developmental stages; water availability; yield components; grain
Glycine max; etapa de desenvolvimento; disponibilidade hídrica; componentes de rendimento; grão
title_short Potential yield of soybean during the ontogeny according to water availability and plant arrangement
title_full Potential yield of soybean during the ontogeny according to water availability and plant arrangement
title_fullStr Potential yield of soybean during the ontogeny according to water availability and plant arrangement
title_full_unstemmed Potential yield of soybean during the ontogeny according to water availability and plant arrangement
title_sort Potential yield of soybean during the ontogeny according to water availability and plant arrangement
author Maehler, André Roberto
author_facet Maehler, André Roberto
Pires, João Leonardo Fernandes
Costa, José Antonio
Ferreira, Felipe Gutheil
author_role author
author2 Pires, João Leonardo Fernandes
Costa, José Antonio
Ferreira, Felipe Gutheil
author2_role author
author
author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Maehler, André Roberto
Pires, João Leonardo Fernandes
Costa, José Antonio
Ferreira, Felipe Gutheil
dc.subject.por.fl_str_mv Glycine max; developmental stages; water availability; yield components; grain
Glycine max; etapa de desenvolvimento; disponibilidade hídrica; componentes de rendimento; grão
topic Glycine max; developmental stages; water availability; yield components; grain
Glycine max; etapa de desenvolvimento; disponibilidade hídrica; componentes de rendimento; grão
description The quantification of reproductive structures during the ontogeny allows to estimate soybean yield potential (YP), making possible to quantify the effect of environmental factors and management practices on the production and fixation of these structures. This work aimed to determine the effect of water availability and plant arrangement on the YP and its components, during ontogeny of two soybean cultivars. Treatments were two water availability (irrigated and non irrigated), two cultivars (BRS 137 and BRS 138), and three row spacings (20 cm, 40 cm and 20 and 40 cm in skip row). The average YP obtained was of 15,295 kg ha-1 at blooming; 12,325 kg ha-1 during legume formation; 5,508 kg ha-1 at the beginning of grain filling and 4,315 kg ha-1 in maturation phase. The irrigated treatment had higher YP, due to the larger flower and pod production and fixation, more grains per pod and heavier grains, in relation to non irrigated treatment. There was no significant difference among the row spacings tested. The cultivar BRS 137 presented greater YP during the ontogeny than BRS 138, due to less flower abortion, heavier grains and more grains per pod.
publishDate 2003
dc.date.none.fl_str_mv 2003-02-01
dc.type.none.fl_str_mv
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://seer.sct.embrapa.br/index.php/pab/article/view/6565
url https://seer.sct.embrapa.br/index.php/pab/article/view/6565
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/6565/3622
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.38, n.2, fev. 2003; 225-231
Pesquisa Agropecuária Brasileira; v.38, n.2, fev. 2003; 225-231
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
_version_ 1793416711256408064

Registros relacionados