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Registro Completo |
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
13/03/2019 |
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Data da última atualização: |
09/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
HOLCMAN, E.; SENTELHAS, P. C.; SPÓSITO, M. B.; CONCEIÇÃO, M. A. F.; COUTO, H. T. Z. |
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Afiliação: |
Ester Holcman, epartment of Biosystems Engineering, Agricultural College “Luiz de Queiroz”, University of São Paulo (ESALQ/ USP), Piracicaba, SP, Brazil; Paulo Cesar Sentelhas, Department of Biosystems Engineering, Agricultural College “Luiz de Queiroz”, University of São Paulo (ESALQ/ USP), Piracicaba, SP, Brazil; Marcel Bellato Spósito, Department of Crop Science, Agricultural College “Luiz de Queiroz”, University of São Paulo (ESALQ/USP), Piracicaba, SP, Brazil; MARCO ANTONIO FONSECA CONCEICAO, CNPUV; Hilton Thadeu Zarate Couto, Department of Forest Sciences, Agricultural College “Luiz de Queiroz”, University of São Paulo (ESALQ/USP), Piracicaba, SP, Brazil. |
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Título: |
Yield and quality of grapes cultivated under plastic coverings with different downy mildew control strategies. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Journal of Phytopathology, n. 167, p. 185-195, 2019. |
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Idioma: |
Inglês |
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Conteúdo: |
Viticulture has been expanding in tropical regions. However, the climate in these areas is generally favourable to the incidence of plant diseases, especially downy mildew. Plastic covers and warning systems have shown very positive results in disease control, but they are tools that have never been used simultaneously in a tropical area. The Vitis vinifera cv. BRS Morena table grape was evaluated as regards yield and quality under different downy mildew control strategies as carried out on vineyards trained on an overhead trellis system, covered by a black shading screen (BSS) or a braided polypropylene film (BPF), over a 3?year period. Different grapevine downy mildew management approaches defined the treatments: Co) Control (no spraying); Ca) Conventional control (calendar); Ba) “Rule 3–10” (Atti Istituto Botanico, 8, 1947, 45); Ma25) Low?infection efficiency—i0>25%; and Ma75) High?infection efficiency—i0>75% (Plant Disease, 84, 2000, 549). The occurrence of downy mildew and the amount of damage inflicted on vine yield and grape quality are directly related to the period of the crop cycle when there is rainfall. The use of the Ma75 warning system (Plant Disease, 84, 2000, 549) under braided polypropylene film resulted, for the most part, in similar vineyard productivity compared to Ca, but did not influence the number of branches and its fertility. The other warning systems decreased productivity by 31.9% compared to Ca. It was not possible to establish a relationship between the occurrence of downy mildew and its influence on grape sweetness and acidity. The use of warning systems led to a substantial reduction in fungicide sprays, approximately 66.7 to 71.3%, compared to the calendar system commonly used by the vine growers, with the Ba (Atti Istituto Botanico, 8, 1947, 45) and Ma75 controls (Plant Disease, 84, 2000, 549) leading to the highest fungicide saving. KEYWORDS biometric variables, polypropylene plastic, table grape, warning systems MenosViticulture has been expanding in tropical regions. However, the climate in these areas is generally favourable to the incidence of plant diseases, especially downy mildew. Plastic covers and warning systems have shown very positive results in disease control, but they are tools that have never been used simultaneously in a tropical area. The Vitis vinifera cv. BRS Morena table grape was evaluated as regards yield and quality under different downy mildew control strategies as carried out on vineyards trained on an overhead trellis system, covered by a black shading screen (BSS) or a braided polypropylene film (BPF), over a 3?year period. Different grapevine downy mildew management approaches defined the treatments: Co) Control (no spraying); Ca) Conventional control (calendar); Ba) “Rule 3–10” (Atti Istituto Botanico, 8, 1947, 45); Ma25) Low?infection efficiency—i0>25%; and Ma75) High?infection efficiency—i0>75% (Plant Disease, 84, 2000, 549). The occurrence of downy mildew and the amount of damage inflicted on vine yield and grape quality are directly related to the period of the crop cycle when there is rainfall. The use of the Ma75 warning system (Plant Disease, 84, 2000, 549) under braided polypropylene film resulted, for the most part, in similar vineyard productivity compared to Ca, but did not influence the number of branches and its fertility. The other warning systems decreased productivity by 31.9% compared to Ca. It was not possible to establish a relationship bet... Mostrar Tudo |
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Palavras-Chave: |
Biometric variables; Polypropylene plastic; Table grape; Warning systems. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/194188/1/Holcman-et-al-2019-Journal-of-Phytopathology.pdf
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Marc: |
LEADER 02671naa a2200217 a 4500
001 2107035
005 2019-12-09
008 2019 bl uuuu u00u1 u #d
100 1 $aHOLCMAN, E.
245 $aYield and quality of grapes cultivated under plastic coverings with different downy mildew control strategies.$h[electronic resource]
260 $c2019
520 $aViticulture has been expanding in tropical regions. However, the climate in these areas is generally favourable to the incidence of plant diseases, especially downy mildew. Plastic covers and warning systems have shown very positive results in disease control, but they are tools that have never been used simultaneously in a tropical area. The Vitis vinifera cv. BRS Morena table grape was evaluated as regards yield and quality under different downy mildew control strategies as carried out on vineyards trained on an overhead trellis system, covered by a black shading screen (BSS) or a braided polypropylene film (BPF), over a 3?year period. Different grapevine downy mildew management approaches defined the treatments: Co) Control (no spraying); Ca) Conventional control (calendar); Ba) “Rule 3–10” (Atti Istituto Botanico, 8, 1947, 45); Ma25) Low?infection efficiency—i0>25%; and Ma75) High?infection efficiency—i0>75% (Plant Disease, 84, 2000, 549). The occurrence of downy mildew and the amount of damage inflicted on vine yield and grape quality are directly related to the period of the crop cycle when there is rainfall. The use of the Ma75 warning system (Plant Disease, 84, 2000, 549) under braided polypropylene film resulted, for the most part, in similar vineyard productivity compared to Ca, but did not influence the number of branches and its fertility. The other warning systems decreased productivity by 31.9% compared to Ca. It was not possible to establish a relationship between the occurrence of downy mildew and its influence on grape sweetness and acidity. The use of warning systems led to a substantial reduction in fungicide sprays, approximately 66.7 to 71.3%, compared to the calendar system commonly used by the vine growers, with the Ba (Atti Istituto Botanico, 8, 1947, 45) and Ma75 controls (Plant Disease, 84, 2000, 549) leading to the highest fungicide saving. KEYWORDS biometric variables, polypropylene plastic, table grape, warning systems
653 $aBiometric variables
653 $aPolypropylene plastic
653 $aTable grape
653 $aWarning systems
700 1 $aSENTELHAS, P. C.
700 1 $aSPÓSITO, M. B.
700 1 $aCONCEIÇÃO, M. A. F.
700 1 $aCOUTO, H. T. Z.
773 $tJournal of Phytopathology$gn. 167, p. 185-195, 2019.
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