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| 3. |  | DUTRA, L. G.; PEREIRA, J.; BRAGA, J. M.; REGO, A. S. Efeito da adubacao nitrogenada, fosfatada e potassica na producao da soja (Glycine max L. Merril) e do feijao (Phaseolus vulgaris L.) em latossolo vermelho escuro textura media, nos municipios de Goiania e Anapolis, Goias. Revista Ceres, v.22, n.123, p.341-358, set./out. 1975.| Biblioteca(s): Embrapa Cerrados; Embrapa Rondônia; Embrapa Soja. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Tabuleiros Costeiros. Para informações adicionais entre em contato com cpatc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Tabuleiros Costeiros. |
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Data corrente: |
22/01/2015 |
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Data da última atualização: |
22/01/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
COSTA, É. C.; TEODORO, A. V.; RÊGO, A. S.; PEDRO-NETO, M.; SARMENTO, R. A. |
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Afiliação: |
ÉVILA C. COSTA, UEMA; ADENIR VIEIRA TEODORO, CPATC; ADRIANO S. RÊGO, UEMA; MARÇAL PEDRO-NETO, UFT; RENATO A. SARMENTO, UFT. |
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Título: |
Functional response of Euseius concordis to densities of different developmental stages of the cassava green mite. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Experimental and Applied Acarology, May, 2014. |
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DOI: |
10.1007/s10493-014-9823-x |
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Idioma: |
Inglês |
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Conteúdo: |
Both prey density and developmental stage of pests and natural enemies are known to influence the effectiveness of biological control. However, little is known about the inter- action between prey density and population structure on predation and fecundity of generalist predatory mites. Here, we evaluated the functional response (number of prey eaten by predator in relation to prey density) of adult females and nymphs of the generalist predatory mite Euseius concordis to densities of different developmental stages of the cassava green mite Mononychellus tanajoa , as well as the fecundity of adult females of the predator. We further assessed the instantaneous rate of increase, based on fecundity and mortality, of E. concordis fed on eggs, immatures and adults of M. tanajoa . Overall, nymphs and adults of E. concordis feeding on eggs, immatures and females of M. tanajoa had a type III functional response curve suggesting that the predator increased prey consumption rate as prey density increased. Both nymphs and adult females of the predator consumed more eggs than immatures of M. tanajoa from the density of 20 items per leaf disc onwards, revealing an interaction between prey density and developmental stage in the predatory activity of E. concordis . In addition, population growth rate was higher when the predator fed on eggs and immatures in comparison with females. Altogether our results suggest that E. concordis may be a good candidate for the biological control of M. ta na joa populations. However, the efficiency of E. concordis as a biological control agent of M. tanajoa is contingent on prey density and population structure. MenosBoth prey density and developmental stage of pests and natural enemies are known to influence the effectiveness of biological control. However, little is known about the inter- action between prey density and population structure on predation and fecundity of generalist predatory mites. Here, we evaluated the functional response (number of prey eaten by predator in relation to prey density) of adult females and nymphs of the generalist predatory mite Euseius concordis to densities of different developmental stages of the cassava green mite Mononychellus tanajoa , as well as the fecundity of adult females of the predator. We further assessed the instantaneous rate of increase, based on fecundity and mortality, of E. concordis fed on eggs, immatures and adults of M. tanajoa . Overall, nymphs and adults of E. concordis feeding on eggs, immatures and females of M. tanajoa had a type III functional response curve suggesting that the predator increased prey consumption rate as prey density increased. Both nymphs and adult females of the predator consumed more eggs than immatures of M. tanajoa from the density of 20 items per leaf disc onwards, revealing an interaction between prey density and developmental stage in the predatory activity of E. concordis . In addition, population growth rate was higher when the predator fed on eggs and immatures in comparison with females. Altogether our results suggest that E. concordis may be a good candidate for the biological control of M. ta n... Mostrar Tudo |
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Palavras-Chave: |
Pest mites. |
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Thesaurus NAL: |
Biological control; Fecundity. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02322naa a2200217 a 4500
001 2006392
005 2015-01-22
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1007/s10493-014-9823-x$2DOI
100 1 $aCOSTA, É. C.
245 $aFunctional response of Euseius concordis to densities of different developmental stages of the cassava green mite.$h[electronic resource]
260 $c2014
520 $aBoth prey density and developmental stage of pests and natural enemies are known to influence the effectiveness of biological control. However, little is known about the inter- action between prey density and population structure on predation and fecundity of generalist predatory mites. Here, we evaluated the functional response (number of prey eaten by predator in relation to prey density) of adult females and nymphs of the generalist predatory mite Euseius concordis to densities of different developmental stages of the cassava green mite Mononychellus tanajoa , as well as the fecundity of adult females of the predator. We further assessed the instantaneous rate of increase, based on fecundity and mortality, of E. concordis fed on eggs, immatures and adults of M. tanajoa . Overall, nymphs and adults of E. concordis feeding on eggs, immatures and females of M. tanajoa had a type III functional response curve suggesting that the predator increased prey consumption rate as prey density increased. Both nymphs and adult females of the predator consumed more eggs than immatures of M. tanajoa from the density of 20 items per leaf disc onwards, revealing an interaction between prey density and developmental stage in the predatory activity of E. concordis . In addition, population growth rate was higher when the predator fed on eggs and immatures in comparison with females. Altogether our results suggest that E. concordis may be a good candidate for the biological control of M. ta na joa populations. However, the efficiency of E. concordis as a biological control agent of M. tanajoa is contingent on prey density and population structure.
650 $aBiological control
650 $aFecundity
653 $aPest mites
700 1 $aTEODORO, A. V.
700 1 $aRÊGO, A. S.
700 1 $aPEDRO-NETO, M.
700 1 $aSARMENTO, R. A.
773 $tExperimental and Applied Acarology, May, 2014.
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