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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão; Embrapa Meio Ambiente. |
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Data corrente: |
04/11/2016 |
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Data da última atualização: |
27/02/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ALVES, T. M.; MAIA, A. H. N.; BARRIGOSSI, J. A. F. |
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Afiliação: |
TAVVS M. ALVES, University of Minnesota; ALINE DE HOLANDA NUNES MAIA, CNPMA; JOSE ALEXANDRE F BARRIGOSSI, CNPAF. |
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Título: |
Spatial distribution and coexisting patterns of adults and nymphs of Tibraca limbativentris (Hemiptera: Pentatomidae) in paddy rice fields. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Environmental Entomology, v. 45, n.6, p. 1505-1514, Oct. 2016. |
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DOI: |
10.1093/ee/nvw141 |
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Idioma: |
Inglês |
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Conteúdo: |
The rice stem stink bug, Tibraca limbativentris Stal (Hemiptera: Pentatomidae), is a primary insect pest of paddy rice in South America. Knowledge of its spatial distribution can support sampling plans needed for timely decisions about pest control. This study aimed to investigate the spatial distribution of adults and nymphs of T. limbativentris and determine the spatial coexistence of these stages of development. Fifteen paddy rice fields were scouted once each season to estimate insect densities. Scouting was performed on regular grids with sampling points separated by 50 m. Moran?s I and semivariograms were used to determine spatial distribution patterns. Spatial coexistence of nymphs and adults was explored via spatial point process. Here, adults and nymphs had typically contrasting spatial distribution patterns within the same field; however, the frequency of aggregation was not different between these developmental stages. Adults and nymphs were aggregated in seven fields and randomly distributed in the other eight fields. Uniform distribution of adults or nymphs was not observed. The study-wide semivariogram ranges were 40 m for adults and 55 m for nymphs. Nymphs and adults spatially coexisted on 67% of the fields. Coexisting patterns were classified using one of the following processes: stage-independent, bidirectional attractive, unidirectional attractive, bidirectional inhibiting, or unidirectional inhibiting. The information presented herein can be important for developing sampling plans for decisionmaking, implementing tactics for site-specific management, and monitoring areas free of T. limbativentris. MenosThe rice stem stink bug, Tibraca limbativentris Stal (Hemiptera: Pentatomidae), is a primary insect pest of paddy rice in South America. Knowledge of its spatial distribution can support sampling plans needed for timely decisions about pest control. This study aimed to investigate the spatial distribution of adults and nymphs of T. limbativentris and determine the spatial coexistence of these stages of development. Fifteen paddy rice fields were scouted once each season to estimate insect densities. Scouting was performed on regular grids with sampling points separated by 50 m. Moran?s I and semivariograms were used to determine spatial distribution patterns. Spatial coexistence of nymphs and adults was explored via spatial point process. Here, adults and nymphs had typically contrasting spatial distribution patterns within the same field; however, the frequency of aggregation was not different between these developmental stages. Adults and nymphs were aggregated in seven fields and randomly distributed in the other eight fields. Uniform distribution of adults or nymphs was not observed. The study-wide semivariogram ranges were 40 m for adults and 55 m for nymphs. Nymphs and adults spatially coexisted on 67% of the fields. Coexisting patterns were classified using one of the following processes: stage-independent, bidirectional attractive, unidirectional attractive, bidirectional inhibiting, or unidirectional inhibiting. The information presented herein can be important for ... Mostrar Tudo |
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Palavras-Chave: |
Distribuição espacial. |
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Thesagro: |
Arroz; Oryza sativa; Percevejo; Praga de planta; Tibraca limbativentris. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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| 5. |  | FONTANA, A.; PEREIRA, M. G.; SILVA, E. M. R. da. Propriedades edáficas e fungos micorrízicos arbusculares como indicadores de qualidade em solos de tabuleiro. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 26., REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 10., SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 8., REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 5., 2004, Lajes, SC. [avaliação das conquistas: bases para estratégias futuras: anais]. Lages: SBCS; UDESC Lages, Departamento de Solos, 2004. FERTBIO 2004. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Agrobiologia. |
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| 9. | | SILVA, E. M. R. da; MARCHIORI, A. C. C. Sistemas agroflorestais como estratégias sócioambientais de produção In: REUNIÃO BRASILEIRA DE CIÊNCIA DO SOLO E NUTRIÇÃO DE PLANTAS, 30.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 14.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 12.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 9.; SIMPÓSIO SOBRE SELÊNIO NO BRASIL, 1., 2012, Maceió. A responsabilidade socioambiental da pesquisa agrícola: anais. Viçosa, MG: SBCS, 2012. FERTBIO 2012.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Agrobiologia. |
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| Registros recuperados : 224 | |
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