Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho
Autor(a) principal: | |
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Data de Publicação: | 2001 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/225279 |
Resumo: | The spatial distribution of Spodoptera frugiperda (J.E. Smith) on corn is essential to perform control strategies, to improve sample technics, to estimate economic losses and incorporate spatial dynamics within population models. Experiments were carried out in three fields, each one composed of 100 plots, where 10 plants per plot were sampled at random, totalizing 1,000 plants per field in five sampling dates. The number of small caterpillars (shorter than 10 mm) and large ones (longer than 10 mm) per plant was counted. The negative binomial distribution model fitted well for small caterpillars, indicating that this larval stage is aggregated in these fields. For large caterpillars the model showed a moderate fit, and some dates adjusted well to the Poisson distribution. Thus, the small caterpillars (high populational density) show an aggregated distribution in the field, whereas the large ones (low populational density) could be more dispersed, tending to an at random distribution. |
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Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milhoSpatial distribution of the fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), on corn cropDispersion indicesInsectaSpatial distributionZea maysThe spatial distribution of Spodoptera frugiperda (J.E. Smith) on corn is essential to perform control strategies, to improve sample technics, to estimate economic losses and incorporate spatial dynamics within population models. Experiments were carried out in three fields, each one composed of 100 plots, where 10 plants per plot were sampled at random, totalizing 1,000 plants per field in five sampling dates. The number of small caterpillars (shorter than 10 mm) and large ones (longer than 10 mm) per plant was counted. The negative binomial distribution model fitted well for small caterpillars, indicating that this larval stage is aggregated in these fields. For large caterpillars the model showed a moderate fit, and some dates adjusted well to the Poisson distribution. Thus, the small caterpillars (high populational density) show an aggregated distribution in the field, whereas the large ones (low populational density) could be more dispersed, tending to an at random distribution.Depto. Cientifico FUNDECITRUS, Av. Dr. Adhemar Pereira de Barros, 201, 14807-040, Araraquara, SPDepto. Ciências Exatas FCAV-UNESP, Rod. Carlos Tonanni, km 5, 14870-000, Jaboticabal, SPDepto. Entomologia FCAV-UNESP, Rod. Carlos Tonanni, km 5, 14870-000, Jaboticabal, SPDepto. Ciências Exatas FCAV-UNESP, Rod. Carlos Tonanni, km 5, 14870-000, Jaboticabal, SPDepto. Entomologia FCAV-UNESP, Rod. Carlos Tonanni, km 5, 14870-000, Jaboticabal, SPFUNDECITRUSUniversidade Estadual Paulista (UNESP)Farias, Paulo R. S.Barbosa, José C. [UNESP]Busoli, Antônio C. [UNESP]2022-04-28T20:44:00Z2022-04-28T20:44:00Z2001-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article681-689Neotropical Entomology, v. 30, n. 4, p. 681-689, 2001.1519-556Xhttp://hdl.handle.net/11449/2252792-s2.0-52549121757Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporNeotropical Entomologyinfo:eu-repo/semantics/openAccess2022-04-28T20:44:00Zoai:repositorio.unesp.br:11449/225279Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T20:44Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho Spatial distribution of the fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), on corn crop |
title |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho |
spellingShingle |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho Farias, Paulo R. S. Dispersion indices Insecta Spatial distribution Zea mays |
title_short |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho |
title_full |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho |
title_fullStr |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho |
title_full_unstemmed |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho |
title_sort |
Distribuição espacial da lagarta-do-cartucho, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), na cultura do milho |
author |
Farias, Paulo R. S. |
author_facet |
Farias, Paulo R. S. Barbosa, José C. [UNESP] Busoli, Antônio C. [UNESP] |
author_role |
author |
author2 |
Barbosa, José C. [UNESP] Busoli, Antônio C. [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
FUNDECITRUS Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Farias, Paulo R. S. Barbosa, José C. [UNESP] Busoli, Antônio C. [UNESP] |
dc.subject.por.fl_str_mv |
Dispersion indices Insecta Spatial distribution Zea mays |
topic |
Dispersion indices Insecta Spatial distribution Zea mays |
description |
The spatial distribution of Spodoptera frugiperda (J.E. Smith) on corn is essential to perform control strategies, to improve sample technics, to estimate economic losses and incorporate spatial dynamics within population models. Experiments were carried out in three fields, each one composed of 100 plots, where 10 plants per plot were sampled at random, totalizing 1,000 plants per field in five sampling dates. The number of small caterpillars (shorter than 10 mm) and large ones (longer than 10 mm) per plant was counted. The negative binomial distribution model fitted well for small caterpillars, indicating that this larval stage is aggregated in these fields. For large caterpillars the model showed a moderate fit, and some dates adjusted well to the Poisson distribution. Thus, the small caterpillars (high populational density) show an aggregated distribution in the field, whereas the large ones (low populational density) could be more dispersed, tending to an at random distribution. |
publishDate |
2001 |
dc.date.none.fl_str_mv |
2001-12-01 2022-04-28T20:44:00Z 2022-04-28T20:44:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Neotropical Entomology, v. 30, n. 4, p. 681-689, 2001. 1519-556X http://hdl.handle.net/11449/225279 2-s2.0-52549121757 |
identifier_str_mv |
Neotropical Entomology, v. 30, n. 4, p. 681-689, 2001. 1519-556X 2-s2.0-52549121757 |
url |
http://hdl.handle.net/11449/225279 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Neotropical Entomology |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
681-689 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799965592823791616 |