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Registro Completo |
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
14/08/2014 |
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Data da última atualização: |
02/04/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ALVES, S. A. M.; BERESFORD, R. M. |
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Afiliação: |
SILVIO ANDRE MEIRELLES ALVES, CNPUV; R.M. Beresford. |
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Título: |
Evaluation of three models for predicting Venturia inaequalis ascospore release in Southern Brazil. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
New Zealand Plant Protection, v. 66, p. 303-307, 2013. |
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Páginas: |
5 p. |
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Idioma: |
Inglês |
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Conteúdo: |
Ascospores of Venturia inaequalis constitute the principal source of primary inoculum for epidemics of apple black spot (scab). Mathematical models that describe ascospore release have been developed in USA, New Zealand and Italy. These models are based upon degree-day accumulation. In this work, the seasonal pattern of released ascospores of V. inaequalis in Vacaria, Brazil, was evaluated. During four apple growth seasons (2009 to 2012) the natural release of ascospores from ive orchards was recorded. The cumulative percentage of ascospore release was predicted using three different degreeday models. The released ascospore data showed the best it to the model developed in Italy, with a start date of 22 August rather than the phenological stage of apple bud break. It is concluded that in regions with warm winter temperatures, models that use bud break to initiate ascospore maturation will tend to underestimate availability of ascospores at the beginning of the apple growth season. |
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Palavras-Chave: |
Ascosporo. |
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Thesagro: |
Epidemiologia; Maçã; Malus Domestica; Venturia Inaequalis. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/106572/1/nzpp-663030.pdf
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Marc: |
LEADER 01598naa a2200205 a 4500
001 1992548
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008 2013 bl uuuu u00u1 u #d
100 1 $aALVES, S. A. M.
245 $aEvaluation of three models for predicting Venturia inaequalis ascospore release in Southern Brazil.$h[electronic resource]
260 $c2013
300 $a5 p.
520 $aAscospores of Venturia inaequalis constitute the principal source of primary inoculum for epidemics of apple black spot (scab). Mathematical models that describe ascospore release have been developed in USA, New Zealand and Italy. These models are based upon degree-day accumulation. In this work, the seasonal pattern of released ascospores of V. inaequalis in Vacaria, Brazil, was evaluated. During four apple growth seasons (2009 to 2012) the natural release of ascospores from ive orchards was recorded. The cumulative percentage of ascospore release was predicted using three different degreeday models. The released ascospore data showed the best it to the model developed in Italy, with a start date of 22 August rather than the phenological stage of apple bud break. It is concluded that in regions with warm winter temperatures, models that use bud break to initiate ascospore maturation will tend to underestimate availability of ascospores at the beginning of the apple growth season.
650 $aEpidemiologia
650 $aMaçã
650 $aMalus Domestica
650 $aVenturia Inaequalis
653 $aAscosporo
700 1 $aBERESFORD, R. M.
773 $tNew Zealand Plant Protection$gv. 66, p. 303-307, 2013.
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Registro original: |
Embrapa Uva e Vinho (CNPUV) |
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| Registros recuperados : 124 | |
| 26. |  | ANTONIOLLI, L. R.; ALVES, S. A. M. Colheita e pós-colheita. In: FIORAVANÇO, J. C.; SANTOS, R. S. S. dos (Ed.). Maçã: o produtor pergunta, a Embrapa responde. Brasília, DF: Embrapa, 2013. p. 265-280. (Coleção 500 perguntas, 500 respostas).| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| 36. | | NUNNES, C. C.; ALVES, S. A. M. Suscetibilidade de ferimentos de poda a infecção por Neonectria ditissima em macieira. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA, 18., ENCONTRO DE PÓS-GRADUAÇÃO DA EMBRAPA UVA E VINHO, 14., 2020, Bento Gonçalves. Anais... Bento Gonçalves: Embrapa Uva e Vinho, p. 16, 2020. (Embrapa Uva e Vinho. Documentos, 124).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| Registros recuperados : 124 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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