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Registro Completo |
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
14/08/2007 |
Data da última atualização: |
14/08/2007 |
Autoria: |
BIASI, J.; LEITE, D.L.; DANIELS, J.; GRACIA, A.; FORTES, G.R. |
Afiliação: |
Epagri |
Título: |
Alho livre de virus em Cacador, SC: produtividade e producao de alho-semente. |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
Horticultura Brasileira, v. 17, n. 3, p. 274, nov.1999. Resumo 31. |
Idioma: |
Português |
Conteúdo: |
A limpeza de viroses no alho tem proporcionado melhoras na produtividade do mesmo. O Centro de Pesquisa Agropecuaria de Clima Temperado-CPACT. da EMBRAPA, Pelotas, RS, efetuou este trabalho, para a Estacao Experimental de Cacador. Foram cinco selecoes clonais em 1995 e outras quatros em 1996 alem de mais duas populacoes neste ano. Os resultados experimentais da safra 1997/98 de tres clones de cultivares de alho livre de virus e vernalizados por 35 dias a 3graus centigrado apresentaram aumento medio de 52,3% na producao total de bulbos, de 115,3% na producao comercial de 25,5% na presenca de haste floral e reducao de 50,2% na presenca de bulbos superbulbilhados, e na safra 1998/99, com os mesmos clones livres de virus mas nao vernalizados os valores medios aumentados . Foram, respectivamente, 21,6%, 22,4% e semelhante indice em bulbos superbulbilhados. Dois alhos livres de virus, populacoes, apresentaram resultados semelhantes ou inferiores aos clones acima. As producoes de alhos somente livre de virus foram: safra 1996/97: 21,0 kg, 1997/98 85,7 kg e 1998/99: 442,1 kg de bulbos curados. |
Palavras-Chave: |
Alho; Produtividade; Semente. |
Categoria do assunto: |
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Marc: |
LEADER 01652naa a2200205 a 4500 001 1054727 005 2007-08-14 008 1999 bl --- 0-- u #d 100 1 $aBIASI, J. 245 $aAlho livre de virus em Cacador, SC$bprodutividade e producao de alho-semente. 260 $c1999 520 $aA limpeza de viroses no alho tem proporcionado melhoras na produtividade do mesmo. O Centro de Pesquisa Agropecuaria de Clima Temperado-CPACT. da EMBRAPA, Pelotas, RS, efetuou este trabalho, para a Estacao Experimental de Cacador. Foram cinco selecoes clonais em 1995 e outras quatros em 1996 alem de mais duas populacoes neste ano. Os resultados experimentais da safra 1997/98 de tres clones de cultivares de alho livre de virus e vernalizados por 35 dias a 3graus centigrado apresentaram aumento medio de 52,3% na producao total de bulbos, de 115,3% na producao comercial de 25,5% na presenca de haste floral e reducao de 50,2% na presenca de bulbos superbulbilhados, e na safra 1998/99, com os mesmos clones livres de virus mas nao vernalizados os valores medios aumentados . Foram, respectivamente, 21,6%, 22,4% e semelhante indice em bulbos superbulbilhados. Dois alhos livres de virus, populacoes, apresentaram resultados semelhantes ou inferiores aos clones acima. As producoes de alhos somente livre de virus foram: safra 1996/97: 21,0 kg, 1997/98 85,7 kg e 1998/99: 442,1 kg de bulbos curados. 653 $aAlho 653 $aProdutividade 653 $aSemente 700 1 $aLEITE, D.L. 700 1 $aDANIELS, J. 700 1 $aGRACIA, A. 700 1 $aFORTES, G.R. 773 $tHorticultura Brasileira$gv. 17, n. 3, p. 274, nov.1999. Resumo 31.
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Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
24/09/2020 |
Data da última atualização: |
24/09/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - B |
Autoria: |
RIBEIRO, L. P.; KLOCK, A. L. S.; NESI, C. N.; LUCZKIEVICZ, F. R. G.; TRAVI, M. R. L.; RECH, Â. F. |
Título: |
Adaptability and Comparative Biology of Fall Armyworm on Maize and Perennial Forage Species and Relation with Chemical-Bromatological Composition. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Neotropical Entomology, Switzerland, v. 49, p. 758-767, 2020. |
Idioma: |
Inglês |
Conteúdo: |
This study compared the development of fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), on forage species of different genera (Arachis, Axonopus, and Cynodon) in relation to maize (preferred host) as well as its adaptability on these forage species, which are the main cultivated forages in southern Brazil. The biological performance of S. frugiperda fed on host plants studied showed the highest adaptation index (AI) in maize (26.89), followed by bermudagrass (22.02), suggesting that bermudagrass is the most suitable alternative host for the development of S. frugiperda. In contrast, the giant missionary grass (18.80) and Pinto peanut (13.81) showed lower adequacy, with a relative adaptation index (RAI) 69.93 and 51.35%, respectively, using maize as standard. The cluster analysis based on similarity of the chemical-bromatological parameters showed that maize has a richer composition than the other plant species studied. The multivariate correlation analysis between AI and chemical-bromatological composition showed a positive correlation between AI and contents of ashes, ethereal extract, potassium, phosphorus, and magnesium and, to a lesser extent, with contents of nitrogen, crude protein, and copper. In this context, complexity of host composition and balance between components could explain the biological fitness of S. frugiperda on host plant species. Pasture diversification with giant missionary grass, or especially with Pinto peanut, may be an interesting strategy for integrated pest management of fall armyworm in pasturelands in a regional context. MenosThis study compared the development of fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), on forage species of different genera (Arachis, Axonopus, and Cynodon) in relation to maize (preferred host) as well as its adaptability on these forage species, which are the main cultivated forages in southern Brazil. The biological performance of S. frugiperda fed on host plants studied showed the highest adaptation index (AI) in maize (26.89), followed by bermudagrass (22.02), suggesting that bermudagrass is the most suitable alternative host for the development of S. frugiperda. In contrast, the giant missionary grass (18.80) and Pinto peanut (13.81) showed lower adequacy, with a relative adaptation index (RAI) 69.93 and 51.35%, respectively, using maize as standard. The cluster analysis based on similarity of the chemical-bromatological parameters showed that maize has a richer composition than the other plant species studied. The multivariate correlation analysis between AI and chemical-bromatological composition showed a positive correlation between AI and contents of ashes, ethereal extract, potassium, phosphorus, and magnesium and, to a lesser extent, with contents of nitrogen, crude protein, and copper. In this context, complexity of host composition and balance between components could explain the biological fitness of S. frugiperda on host plant species. Pasture diversification with giant missionary grass, or especially with Pinto peanut, may be an ... Mostrar Tudo |
Palavras-Chave: |
Arachis pintoi; Axonopus catharinensis; Cynodon dactylon; host plant resistance; Spodoptera frugiperda. |
Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 02399naa a2200241 a 4500 001 1129961 005 2020-09-24 008 2020 bl uuuu u00u1 u #d 100 1 $aRIBEIRO, L. P. 245 $aAdaptability and Comparative Biology of Fall Armyworm on Maize and Perennial Forage Species and Relation with Chemical-Bromatological Composition.$h[electronic resource] 260 $c2020 520 $aThis study compared the development of fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), on forage species of different genera (Arachis, Axonopus, and Cynodon) in relation to maize (preferred host) as well as its adaptability on these forage species, which are the main cultivated forages in southern Brazil. The biological performance of S. frugiperda fed on host plants studied showed the highest adaptation index (AI) in maize (26.89), followed by bermudagrass (22.02), suggesting that bermudagrass is the most suitable alternative host for the development of S. frugiperda. In contrast, the giant missionary grass (18.80) and Pinto peanut (13.81) showed lower adequacy, with a relative adaptation index (RAI) 69.93 and 51.35%, respectively, using maize as standard. The cluster analysis based on similarity of the chemical-bromatological parameters showed that maize has a richer composition than the other plant species studied. The multivariate correlation analysis between AI and chemical-bromatological composition showed a positive correlation between AI and contents of ashes, ethereal extract, potassium, phosphorus, and magnesium and, to a lesser extent, with contents of nitrogen, crude protein, and copper. In this context, complexity of host composition and balance between components could explain the biological fitness of S. frugiperda on host plant species. Pasture diversification with giant missionary grass, or especially with Pinto peanut, may be an interesting strategy for integrated pest management of fall armyworm in pasturelands in a regional context. 653 $aArachis pintoi 653 $aAxonopus catharinensis 653 $aCynodon dactylon 653 $ahost plant resistance 653 $aSpodoptera frugiperda 700 1 $aKLOCK, A. L. S. 700 1 $aNESI, C. N. 700 1 $aLUCZKIEVICZ, F. R. G. 700 1 $aTRAVI, M. R. L. 700 1 $aRECH, Â. F. 773 $tNeotropical Entomology, Switzerland$gv. 49, p. 758-767, 2020.
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