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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
06/02/2017 |
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Data da última atualização: |
03/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
TUELHER, E. S.; SILVA, E. H.; HIROSE, E.; GUEDES, R. N. C.; OLIVEIRA, E. E. |
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Afiliação: |
EDMAR S. TUELHER, UFV; ÉDER H. SILVA, UFV; EDSON HIROSE, CNPSO; RAUL NARCISO C. GUEDES, UFV; EUGÊNIO E. OLIVEIRA, UFV. |
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Título: |
Competition between the phytophagous stink bugs Euschistus heros and Piezodorus guildinii in soybeans. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pest Management Science, v. 72, n. 10, p. 1837-1843, 2016. |
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ISSN: |
1526-4998 |
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Idioma: |
Inglês |
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Conteúdo: |
BACKGROUND: The abundance and contribution of the neotropical brown stink bug, Euschistus heros (F.), and the redbanded stink bug, Piezodorus guildinii (West.), to the composition of insect pests of soybean, Glycine max (L.), fields have changed both spatially and temporally in neotropical soybean production areas. Therefore, we assessed the competitiveness of each species in direct competition experiments following an additive series. We performed mixed (adult) insect infestations in soybean plants and evaluated the fitness of each species and the soybean yield. RESULTS: While the competitive ability of E. heros was significantly compromised by increments in conspecifics and heterospecifics (i.e. P. guildinii), the competitive ability of P. guildinii was compromised by the presence of heterospecifics (i.e. E. heros). The reproductive output of P. guildinii remained unaffected by increments in E. heros or of P. guildinii. Intriguingly, despite the fact that P. guildinii apparently lost the competition with E. heros, almost no pod production was observed in any plant colonised by the former. CONCLUSIONS: The higher abundance of E. heros in neotropical soybean fields seems to result from higher competitive ability than its heterospecific competitor P. guildinii, which may prevent the higher losses caused by P. guildinii. |
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Thesagro: |
Euschistus Heros; Percevejo; Piezodorus Guildinii; Soja. |
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Thesaurus Nal: |
Pentatomidae; Soybeans. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 02066naa a2200253 a 4500
001 2062780
005 2017-11-03
008 2016 bl uuuu u00u1 u #d
022 $a1526-4998
100 1 $aTUELHER, E. S.
245 $aCompetition between the phytophagous stink bugs Euschistus heros and Piezodorus guildinii in soybeans.$h[electronic resource]
260 $c2016
520 $aBACKGROUND: The abundance and contribution of the neotropical brown stink bug, Euschistus heros (F.), and the redbanded stink bug, Piezodorus guildinii (West.), to the composition of insect pests of soybean, Glycine max (L.), fields have changed both spatially and temporally in neotropical soybean production areas. Therefore, we assessed the competitiveness of each species in direct competition experiments following an additive series. We performed mixed (adult) insect infestations in soybean plants and evaluated the fitness of each species and the soybean yield. RESULTS: While the competitive ability of E. heros was significantly compromised by increments in conspecifics and heterospecifics (i.e. P. guildinii), the competitive ability of P. guildinii was compromised by the presence of heterospecifics (i.e. E. heros). The reproductive output of P. guildinii remained unaffected by increments in E. heros or of P. guildinii. Intriguingly, despite the fact that P. guildinii apparently lost the competition with E. heros, almost no pod production was observed in any plant colonised by the former. CONCLUSIONS: The higher abundance of E. heros in neotropical soybean fields seems to result from higher competitive ability than its heterospecific competitor P. guildinii, which may prevent the higher losses caused by P. guildinii.
650 $aPentatomidae
650 $aSoybeans
650 $aEuschistus Heros
650 $aPercevejo
650 $aPiezodorus Guildinii
650 $aSoja
700 1 $aSILVA, E. H.
700 1 $aHIROSE, E.
700 1 $aGUEDES, R. N. C.
700 1 $aOLIVEIRA, E. E.
773 $tPest Management Science$gv. 72, n. 10, p. 1837-1843, 2016.
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