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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
17/09/2012 |
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Data da última atualização: |
17/09/2012 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BISOGNIN, M.; ZANARDI, O. Z.; NAVA, D. E.; ARIOLI, C. J.; BOTTON, M.; GARCIA, M. S.; CABEZAS, M. F. |
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Afiliação: |
Epagri |
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Título: |
Burrknots as Food Source for Larval Development of Grapholita molesta (Lepidoptera: Tortricidae) on Apple Trees. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
ENVIRONMENTAL ENTOMOLOGY, Lanham, v. 41, n. 4, p. 849-854, 2012. |
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Idioma: |
Português |
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Conteúdo: |
Grapholita molesta (Busck) is one of the main pests of apple trees, and lives on their
shoots and fruits. In southern Brazil, the insect is also found on old branches and structures similar to aerial roots, so-called burrknots. This study evaluated the development and population growth potential of G. molesta fed on burrknots, compared with apple fruit cultivar. Fuji and a corn-based artiÞcial diet. The study was carried out in the laboratory under controlled temperature (25 #2; 1#3;C), relative humidity (70#2;10%), and photophase (16 h). The biological parameters of the immature and adult stages were determined, and a fertility life table was constructed. Insects fed on burrknots showed a longer duration and a lower survival for the egg-to-adult period (29.3 d and 22.5%) compared with those that fed on apples (25.1 d and 30.0%) and artiÞcial diet (23.9 d and 54.8%). Insects reared on aerial roots had a lower pupal weight (10.0 mg) compared with those reared on either artiÞcial diet (13.7 mg) or apple cultivar. Fuji (12.4 mg). The fecundity and longevity of males and females did not signiÞcantly differ for the three foods. Based on the fertility life table, insects reared on burrknots had the lowest net reproductive rate (Ro), intrinsic rate of population growth (rm) and Þnite rate of increase (#2;), compared with insects reared on artiÞcial diet and apple fruit. Burrknots support the development of the complete cycle of G. molesta, which allows populations of this pest to increase
in orchards. Menos Grapholita molesta (Busck) is one of the main pests of apple trees, and lives on their
shoots and fruits. In southern Brazil, the insect is also found on old branches and structures similar to aerial roots, so-called burrknots. This study evaluated the development and population growth potential of G. molesta fed on burrknots, compared with apple fruit cultivar. Fuji and a corn-based artiÞcial diet. The study was carried out in the laboratory under controlled temperature (25 #2; 1#3;C), relative humidity (70#2;10%), and photophase (16 h). The biological parameters of the immature and adult stages were determined, and a fertility life table was constructed. Insects fed on burrknots showed a longer duration and a lower survival for the egg-to-adult period (29.3 d and 22.5%) compared with those that fed on apples (25.1 d and 30.0%) and artiÞcial diet (23.9 d and 54.8%). Insects reared on aerial roots had a lower pupal weight (10.0 mg) compared with those reared on either artiÞcial diet (13.7 mg) or apple cultivar. Fuji (12.4 mg). The fecundity and longevity of males and females did not signiÞcantly differ for the three foods. Based on the fertility life table, insects reared on burrknots had the lowest net reproductive rate (Ro), intrinsic rate of population growth (rm) and Þnite rate of increase (#2;), compared with insects reared on artiÞcial diet and apple fruit. Burrknots support the development of the complete cycle of G. molesta, which allows populations of this pest to ... Mostrar Tudo |
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Palavras-Chave: |
Biology; Fertility life table; Lepidoptera; Oriental fruit moth. |
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Categoria do assunto: |
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LEADER 02043naa a2200169 a 4500
001 1086911
005 2012-09-17
008 2012 bl uuuu u00u1 u #d
100 1 $aEpagri
245 $aBurrknots as Food Source for Larval Development of Grapholita molesta (Lepidoptera$bTortricidae) on Apple Trees.
260 $c2012
520 $aGrapholita molesta (Busck) is one of the main pests of apple trees, and lives on their shoots and fruits. In southern Brazil, the insect is also found on old branches and structures similar to aerial roots, so-called burrknots. This study evaluated the development and population growth potential of G. molesta fed on burrknots, compared with apple fruit cultivar. Fuji and a corn-based artiÞcial diet. The study was carried out in the laboratory under controlled temperature (25 #2; 1#3;C), relative humidity (70#2;10%), and photophase (16 h). The biological parameters of the immature and adult stages were determined, and a fertility life table was constructed. Insects fed on burrknots showed a longer duration and a lower survival for the egg-to-adult period (29.3 d and 22.5%) compared with those that fed on apples (25.1 d and 30.0%) and artiÞcial diet (23.9 d and 54.8%). Insects reared on aerial roots had a lower pupal weight (10.0 mg) compared with those reared on either artiÞcial diet (13.7 mg) or apple cultivar. Fuji (12.4 mg). The fecundity and longevity of males and females did not signiÞcantly differ for the three foods. Based on the fertility life table, insects reared on burrknots had the lowest net reproductive rate (Ro), intrinsic rate of population growth (rm) and Þnite rate of increase (#2;), compared with insects reared on artiÞcial diet and apple fruit. Burrknots support the development of the complete cycle of G. molesta, which allows populations of this pest to increase in orchards.
653 $aBiology
653 $aFertility life table
653 $aLepidoptera
653 $aOriental fruit moth
773 $tENVIRONMENTAL ENTOMOLOGY, Lanham$gv. 41, n. 4, p. 849-854, 2012.
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Epagri-Sede (Epagri-Sede) |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
14/11/2003 |
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Data da última atualização: |
14/11/2003 |
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Autoria: |
CERETTA, C.A.; SILVA, P.R.F.da. |
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Afiliação: |
Empasc |
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Título: |
Consorciacao de mandioca e girassol em diferentes sistemas de cultivo. |
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Ano de publicação: |
1986 |
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Fonte/Imprenta: |
In:CONGRESSO BRASILEIRO DE MANDIOCA, 4., 1986, Balneario Camboriu, SC. Resumos...Cruz das Almas, BA: Embrapa-CNPMF, 1986. |
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Páginas: |
p.52 |
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Série: |
(Embrapa-CNPMF. Documentos, 18) |
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Idioma: |
Português |
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Conteúdo: |
Com o objetivo de avaliar a eficiência de diferentes sistemas consorciados de mandioca de um ciclo com girassol, foi conduzido um experimento em Guaíba, Rio Grande do Sul, em 1984/85. Os sistemas foram: girassol monocultivo (0,7 x 0,285m) (a), mandioca em monocultivo nos espaçamentos de 1,2 x 0,6 (b), 2,0 x 0,6 x 0,6 (c) e 2,8 x 0,6 x 0,6 m (d), e consórcios onde foram intruduzidas uma, duas e três fileiras de girassol entre as fileiras de mandioca cultivada nos mesmos espaçamentos dos sistemas (b), (c) e (d), respectivamente. |
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Palavras-Chave: |
Consorciacao de cultura; Girassol; Mandioca. |
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Categoria do assunto: |
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Marc: |
LEADER 01145naa a2200193 a 4500
001 1027747
005 2003-11-14
008 1986 bl uuuu u00u1 u #d
100 1 $aCERETTA, C.A.
245 $aConsorciacao de mandioca e girassol em diferentes sistemas de cultivo.
260 $c1986
300 $ap.52
490 $a(Embrapa-CNPMF. Documentos, 18)
520 $aCom o objetivo de avaliar a eficiência de diferentes sistemas consorciados de mandioca de um ciclo com girassol, foi conduzido um experimento em Guaíba, Rio Grande do Sul, em 1984/85. Os sistemas foram: girassol monocultivo (0,7 x 0,285m) (a), mandioca em monocultivo nos espaçamentos de 1,2 x 0,6 (b), 2,0 x 0,6 x 0,6 (c) e 2,8 x 0,6 x 0,6 m (d), e consórcios onde foram intruduzidas uma, duas e três fileiras de girassol entre as fileiras de mandioca cultivada nos mesmos espaçamentos dos sistemas (b), (c) e (d), respectivamente.
653 $aConsorciacao de cultura
653 $aGirassol
653 $aMandioca
700 1 $aSILVA, P.R.F.da.
773 $tIn:CONGRESSO BRASILEIRO DE MANDIOCA, 4., 1986, Balneario Camboriu, SC. Resumos...Cruz das Almas, BA: Embrapa-CNPMF, 1986.
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