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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
09/03/2017 |
Data da última atualização: |
13/03/2017 |
Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
Autoria: |
FREITAS, J. V. de; OLIVEIRA, Y. M. M. de; ROSA, C. M. M.; MATTOS, P. P. de; ROSOT, M. A. D.; BRENA, D. A.; GOMIDE, G. L. A.; PIOTTO, D.; GARRASTAZU, M. C.; SANQUETTA, C. R.; BARROS, P. L. C. de; PONZONI, F. J.; OLIVEIRA, L. M. T. de; QUEIROZ, W. T. de. |
Afiliação: |
JOBERTO VELOSO DE FREITAS, Serviço Florestal Brasileiro; YEDA MARIA MALHEIROS DE OLIVEIRA, CNPF; CLAUDIA MARIA MELLO ROSA, Serviço Florestal Brasileiro; PATRICIA POVOA DE MATTOS, CNPF; MARIA AUGUSTA DOETZER ROSOT, CNPF; DOADI ANTONIO BRENA, Organização das Nações Unidas para Agricultura e Alimentação - FAO; GUILHERME LUIS AUGUSTO GOMIDE, Organização das Nações Unidas para Agricultura e Alimentação - FAO; DANIEL PIOTTO, Universidade Federal do Sul da Bahia - UFSB; MARILICE CORDEIRO GARRASTAZU, CNPF; CARLOS ROBERTO SANQUETTA, UFPR; PAULO LUIZ CONTENTE DE BARROS, Universidade Federal Rural da Amazônia; FLAVIO JORGE PONZONI, Instituto Nacional de Pesquisas Espaciais - São José dos Campos; LUCIANA MARA TEMPONI DE OLIVEIRA, IBGE - Instituto Brasileiro de Geografia e Estatística; WALDINEI TRAVASSOS DE QUEIROZ, Universidade Federal Rural da Amazônia. |
Título: |
Brazil. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
In: VIDAL, C.; ALBERDI, I.; HERNÁNDEZ, L.; REDMOND, J. (Ed.). National forest inventories: assessment of wood availability and use. Cham: Springer, 2016. |
Páginas: |
p. 197-212. |
DOI: |
10.1007/978-3-319-44015-6_10 |
Idioma: |
Inglês |
Palavras-Chave: |
Brasil. |
Thesagro: |
Inventário florestal. |
Thesaurus Nal: |
Brazil; Forest inventory. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 01019naa a2200337 a 4500 001 2066594 005 2017-03-13 008 2016 bl uuuu u00u1 u #d 024 7 $a10.1007/978-3-319-44015-6_10$2DOI 100 1 $aFREITAS, J. V. de 245 $aBrazil.$h[electronic resource] 260 $c2016 300 $ap. 197-212. 650 $aBrazil 650 $aForest inventory 650 $aInventário florestal 653 $aBrasil 700 1 $aOLIVEIRA, Y. M. M. de 700 1 $aROSA, C. M. M. 700 1 $aMATTOS, P. P. de 700 1 $aROSOT, M. A. D. 700 1 $aBRENA, D. A. 700 1 $aGOMIDE, G. L. A. 700 1 $aPIOTTO, D. 700 1 $aGARRASTAZU, M. C. 700 1 $aSANQUETTA, C. R. 700 1 $aBARROS, P. L. C. de 700 1 $aPONZONI, F. J. 700 1 $aOLIVEIRA, L. M. T. de 700 1 $aQUEIROZ, W. T. de 773 $tIn: VIDAL, C.; ALBERDI, I.; HERNÁNDEZ, L.; REDMOND, J. (Ed.). National forest inventories: assessment of wood availability and use. Cham: Springer, 2016.
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Embrapa Florestas (CNPF) |
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Biblioteca(s): |
Embrapa Hortaliças. |
Data corrente: |
01/08/2000 |
Data da última atualização: |
01/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
DUSI, A. N.; PETERS, D.; WERF, W. van der. |
Afiliação: |
ANDRE NEPOMUCENO DUSI, CNPH. |
Título: |
Measuring and modeling the effects of inoculation date and aphid flights on the secondary spread of Beet mosaic virus in sugar beet. |
Ano de publicação: |
2000 |
Fonte/Imprenta: |
Annals of Applied Biology, v. 136, n. 2, p.131-136, 2000. |
ISSN: |
1744-7348 |
Idioma: |
Inglês |
Conteúdo: |
The effect of the inoculation date on the spread of Beet mosaic virus (BtMV) in sugar beet field plots was studied. Two plants in the centre of each plot were inoculated with BtMV using Myzus persicae. The spread of the infection around these sources was monitored by inspecting the plants on two diagonal transects through the centre of the plot. Early inoculations resulted in a greater spread than late inoculations, but any inoculation before the onset of the aphid migration resulted in a similar-sized spread. The spread was concentrated in patches around the inoculated plants, and its rate was explained by vector pressure, as shown by regression analysis and a mechanistic simulation model. This vector pressure was quantified using data obtained by catching aphids in a green water trap in the crop, catching aphids in a 12 m high suction trap at a distant location, and infection of bait plants from adjacent virus source plants. The daily total aphid catches obtained by a suction trap provided the best statistical explanation for the spread of this virus. The parameter r, describing the relationship between vector pressure and the rate of disease progress, was remarkably robust. This parameter varied less than 10% between treatments (infection date) within a single experiment, and less than a factor two between four experiments performed at different sites in two years. The robustness of this parameter suggests that the spread of a potyvirus may be predicted on the basis of the initial infection date and vector abundance. MenosThe effect of the inoculation date on the spread of Beet mosaic virus (BtMV) in sugar beet field plots was studied. Two plants in the centre of each plot were inoculated with BtMV using Myzus persicae. The spread of the infection around these sources was monitored by inspecting the plants on two diagonal transects through the centre of the plot. Early inoculations resulted in a greater spread than late inoculations, but any inoculation before the onset of the aphid migration resulted in a similar-sized spread. The spread was concentrated in patches around the inoculated plants, and its rate was explained by vector pressure, as shown by regression analysis and a mechanistic simulation model. This vector pressure was quantified using data obtained by catching aphids in a green water trap in the crop, catching aphids in a 12 m high suction trap at a distant location, and infection of bait plants from adjacent virus source plants. The daily total aphid catches obtained by a suction trap provided the best statistical explanation for the spread of this virus. The parameter r, describing the relationship between vector pressure and the rate of disease progress, was remarkably robust. This parameter varied less than 10% between treatments (infection date) within a single experiment, and less than a factor two between four experiments performed at different sites in two years. The robustness of this parameter suggests that the spread of a potyvirus may be predicted on the basis of th... Mostrar Tudo |
Palavras-Chave: |
BtMV; Inoculation. |
Thesagro: |
Beta Vulgaris; Beterraba Açucareira; Inoculação; Vírus. |
Thesaurus NAL: |
sugar beet. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/767676/1/AP-CNPH-01022024-DUSI-et-al-2000.pdf
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Marc: |
LEADER 02262naa a2200241 a 4500 001 1767676 005 2024-02-01 008 2000 bl uuuu u00u1 u #d 022 $a1744-7348 100 1 $aDUSI, A. N. 245 $aMeasuring and modeling the effects of inoculation date and aphid flights on the secondary spread of Beet mosaic virus in sugar beet.$h[electronic resource] 260 $c2000 520 $aThe effect of the inoculation date on the spread of Beet mosaic virus (BtMV) in sugar beet field plots was studied. Two plants in the centre of each plot were inoculated with BtMV using Myzus persicae. The spread of the infection around these sources was monitored by inspecting the plants on two diagonal transects through the centre of the plot. Early inoculations resulted in a greater spread than late inoculations, but any inoculation before the onset of the aphid migration resulted in a similar-sized spread. The spread was concentrated in patches around the inoculated plants, and its rate was explained by vector pressure, as shown by regression analysis and a mechanistic simulation model. This vector pressure was quantified using data obtained by catching aphids in a green water trap in the crop, catching aphids in a 12 m high suction trap at a distant location, and infection of bait plants from adjacent virus source plants. The daily total aphid catches obtained by a suction trap provided the best statistical explanation for the spread of this virus. The parameter r, describing the relationship between vector pressure and the rate of disease progress, was remarkably robust. This parameter varied less than 10% between treatments (infection date) within a single experiment, and less than a factor two between four experiments performed at different sites in two years. The robustness of this parameter suggests that the spread of a potyvirus may be predicted on the basis of the initial infection date and vector abundance. 650 $asugar beet 650 $aBeta Vulgaris 650 $aBeterraba Açucareira 650 $aInoculação 650 $aVírus 653 $aBtMV 653 $aInoculation 700 1 $aPETERS, D. 700 1 $aWERF, W. van der. 773 $tAnnals of Applied Biology$gv. 136, n. 2, p.131-136, 2000.
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