Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta Scientiarum. Agronomy (Online) |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17455 |
Resumo: | Plant population and arrangement should be properly designed to maximize the seed yield of short-height genotypes of castor (Ricinus communis L.) in each cropping season. Experiments were performed in the in the fall-winter cropping season of 2008 and 2009 in Botucatu, State of São Paulo, Brazil, to evaluate the effects of row spacing (0.45, 0.60, 0.75, and 0.90 m) and plant population (25,000, 40,000, 55,000, and 70,000 plants ha-1) on agronomical traits, yield components, seed yield, and oil yield of the genotype FCA-PB. A high plant density caused a reduction in plant survival and increased the first raceme insertion height, particularly in the year with the higher rainfall. The basal stem diameter, number of racemes per plant, and seeds per raceme were reduced by increasing the plant density. However, the seed and oil yields were minimally influenced by plant population density and row spacing because the castor plant compensated for a low plant population with a high number of racemes and seeds. The maximum seed yield was achieved with an estimated 0.64 m of row spacing and 50,107 plants ha-1 (i.e., 3.2 plants m-1). |
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Acta Scientiarum. Agronomy (Online) |
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Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winterRicinus communisspatial plant distributionplant densitygrain yieldoil contentFitotecniaRicinus communisspatial plant distributionplant densitygrain yieldoil contentManejo e tratos culturaisPlant population and arrangement should be properly designed to maximize the seed yield of short-height genotypes of castor (Ricinus communis L.) in each cropping season. Experiments were performed in the in the fall-winter cropping season of 2008 and 2009 in Botucatu, State of São Paulo, Brazil, to evaluate the effects of row spacing (0.45, 0.60, 0.75, and 0.90 m) and plant population (25,000, 40,000, 55,000, and 70,000 plants ha-1) on agronomical traits, yield components, seed yield, and oil yield of the genotype FCA-PB. A high plant density caused a reduction in plant survival and increased the first raceme insertion height, particularly in the year with the higher rainfall. The basal stem diameter, number of racemes per plant, and seeds per raceme were reduced by increasing the plant density. However, the seed and oil yields were minimally influenced by plant population density and row spacing because the castor plant compensated for a low plant population with a high number of racemes and seeds. The maximum seed yield was achieved with an estimated 0.64 m of row spacing and 50,107 plants ha-1 (i.e., 3.2 plants m-1). Universidade Estadual de Maringá2014-08-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/1745510.4025/actasciagron.v36i4.17455Acta Scientiarum. Agronomy; Vol 36 No 4 (2014); 475-481Acta Scientiarum. Agronomy; v. 36 n. 4 (2014); 475-4811807-86211679-9275reponame:Acta Scientiarum. Agronomy (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMenghttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17455/pdf_43Souza-Schlick, Genivaldo David deSoratto, Rogério PeresZanotto, Maurício Dutrainfo:eu-repo/semantics/openAccess2014-12-04T09:31:22Zoai:periodicos.uem.br/ojs:article/17455Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgronPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/oaiactaagron@uem.br||actaagron@uem.br|| edamasio@uem.br1807-86211679-9275opendoar:2014-12-04T09:31:22Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter |
title |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter |
spellingShingle |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter Souza-Schlick, Genivaldo David de Ricinus communis spatial plant distribution plant density grain yield oil content Fitotecnia Ricinus communis spatial plant distribution plant density grain yield oil content Manejo e tratos culturais |
title_short |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter |
title_full |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter |
title_fullStr |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter |
title_full_unstemmed |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter |
title_sort |
Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter |
author |
Souza-Schlick, Genivaldo David de |
author_facet |
Souza-Schlick, Genivaldo David de Soratto, Rogério Peres Zanotto, Maurício Dutra |
author_role |
author |
author2 |
Soratto, Rogério Peres Zanotto, Maurício Dutra |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Souza-Schlick, Genivaldo David de Soratto, Rogério Peres Zanotto, Maurício Dutra |
dc.subject.por.fl_str_mv |
Ricinus communis spatial plant distribution plant density grain yield oil content Fitotecnia Ricinus communis spatial plant distribution plant density grain yield oil content Manejo e tratos culturais |
topic |
Ricinus communis spatial plant distribution plant density grain yield oil content Fitotecnia Ricinus communis spatial plant distribution plant density grain yield oil content Manejo e tratos culturais |
description |
Plant population and arrangement should be properly designed to maximize the seed yield of short-height genotypes of castor (Ricinus communis L.) in each cropping season. Experiments were performed in the in the fall-winter cropping season of 2008 and 2009 in Botucatu, State of São Paulo, Brazil, to evaluate the effects of row spacing (0.45, 0.60, 0.75, and 0.90 m) and plant population (25,000, 40,000, 55,000, and 70,000 plants ha-1) on agronomical traits, yield components, seed yield, and oil yield of the genotype FCA-PB. A high plant density caused a reduction in plant survival and increased the first raceme insertion height, particularly in the year with the higher rainfall. The basal stem diameter, number of racemes per plant, and seeds per raceme were reduced by increasing the plant density. However, the seed and oil yields were minimally influenced by plant population density and row spacing because the castor plant compensated for a low plant population with a high number of racemes and seeds. The maximum seed yield was achieved with an estimated 0.64 m of row spacing and 50,107 plants ha-1 (i.e., 3.2 plants m-1). |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-08-21 |
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 |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17455 10.4025/actasciagron.v36i4.17455 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17455 |
identifier_str_mv |
10.4025/actasciagron.v36i4.17455 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17455/pdf_43 |
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 |
Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Agronomy; Vol 36 No 4 (2014); 475-481 Acta Scientiarum. Agronomy; v. 36 n. 4 (2014); 475-481 1807-8621 1679-9275 reponame:Acta Scientiarum. Agronomy (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum. Agronomy (Online) |
collection |
Acta Scientiarum. Agronomy (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaagron@uem.br||actaagron@uem.br|| edamasio@uem.br |
_version_ |
1799305908804648960 |