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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
21/06/1993 |
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Data da última atualização: |
18/12/2019 |
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Autoria: |
MORAES, G. J.; McMURTRY, J. A. |
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Afiliação: |
GILBERTO JOSE de MORAES, EMBRAPA-CPATSA. |
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Título: |
Effect of temperature and sperm supply on the reproductive potential of Tetranychus evansi (Acari: Tetranychidae). |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Experimental & Applied Acarology, v.3, p.95-107, 1987. |
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Idioma: |
Inglês |
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Conteúdo: |
The biology of Tetranychus enancy Baker and Pritchard was studied at five different temperatures on excised leaves of Solanum douglasii Dunal. The theoretical lower theoretical lower threshold temperature of development was ca. 13 C. The combined immature stages required ca. 148 day-degrees for completion. Progressively later initiation of mating resulted in higher peak proportions of females produced, up to an 8-day period between emergence and amting at 30 C. The proportions of male offspring always increased towards the end of the oviposition period, apparently because of sperm depletion. The calculated intrinsic rate of increase was highest (0.432) at 35 C, the highest temperature tested. At that same temperature, dayly oviposition rate and net reproductive rate were maximum (9.5 and 111.77, respectively), and mean generation and doubling time were minimum (10.92 and 1.6 days, respectively). |
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Palavras-Chave: |
Sex; Variation. |
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Thesagro: |
Tetranychidae. |
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Thesaurus Nal: |
Acari; reproduction; temperature; Tetranychus evansi. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01545naa a2200217 a 4500
001 1010548
005 2019-12-18
008 1987 bl uuuu u00u1 u #d
100 1 $aMORAES, G. J.
245 $aEffect of temperature and sperm supply on the reproductive potential of Tetranychus evansi (Acari$bTetranychidae).$h[electronic resource]
260 $c1987
520 $aThe biology of Tetranychus enancy Baker and Pritchard was studied at five different temperatures on excised leaves of Solanum douglasii Dunal. The theoretical lower theoretical lower threshold temperature of development was ca. 13 C. The combined immature stages required ca. 148 day-degrees for completion. Progressively later initiation of mating resulted in higher peak proportions of females produced, up to an 8-day period between emergence and amting at 30 C. The proportions of male offspring always increased towards the end of the oviposition period, apparently because of sperm depletion. The calculated intrinsic rate of increase was highest (0.432) at 35 C, the highest temperature tested. At that same temperature, dayly oviposition rate and net reproductive rate were maximum (9.5 and 111.77, respectively), and mean generation and doubling time were minimum (10.92 and 1.6 days, respectively).
650 $aAcari
650 $areproduction
650 $atemperature
650 $aTetranychus evansi
650 $aTetranychidae
653 $aSex
653 $aVariation
700 1 $aMcMURTRY, J. A.
773 $tExperimental & Applied Acarology$gv.3, p.95-107, 1987.
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Embrapa Meio Ambiente (CNPMA) |
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| 3. |  | LEWIS, J.; VOSTI, S.; WITCOVER, J.; ERICKSEN, P. J.; GUEVARA, R.; TOMICH, T. (ed.). Alternatives to slash-and-burn in Brazil: summary report and synthesis of phase II. Nairobi, Kenya: ICRAF-ASB, 2002. 93 p. Contribuição de pesquisadores das Embrapas Acre e Rondônia:
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| 4. | | BOCCANELLI, S. I.; PIRE, E. F.; TORRES, P. S.; LEWIS, J. P. Cambios en la vegetación de un campo abandonado después de un cultivo de trigo. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 34, n. 2, p. 151-157, fev. 1999 Título em inglês: Vegetation changes in a field abandoned after a wheat crop.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 5. | | TOMICH, T. P.; CATTANEO, A.; CHATER, S.; GEIST, H. J.; GOCKOWSKI, J.; KAIMOWITZ, D.; LAMBIN, E. F.; LEWIS, J.; NDOYE, O.; PALM, C. A.; STOLLE, F.; SUNDERLIN, W. D.; VALENTIM, J. F.; NOORDWIJK, M. van; VOSTI, S. A. Balancing agricultural development and environmental objectives: assessing tradeoffs in the humid tropics. In: PALM, C. A.; VOSTI, S. A.; SANCHEZ, P. A.; ERICKSEN, P. J. (ed.). Slash-and-burn agriculture: the search for alternatives. New York: Columbia University Press, 2005. cap. 18, p. 415-440.| Tipo: Capítulo em Livro Técnico-Científico |
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