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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
28/11/2019 |
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Data da última atualização: |
28/11/2019 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
MONTEIRO, F. P.; OGOSHI, C.; CARDOSO, D. A.; PERAZZOLI, V. |
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Título: |
Pith necrosis of tomato caused by Pseudomonas viridiflava may not decrease production. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Asian Journal of Agricultural and Horticultural Research, London, v. 4, n. 4, p. 1-6, 2019. |
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Idioma: |
Inglês |
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Conteúdo: |
Aims: This study aimed to measure the losses in the production of tomato plants caused by the bacteria P. viridiflava.Study Design:Experimentswere performed in a completely randomized design with six replicates.Place and Duration of Study:The study was conducted on the Caçador experimental station of the Agricultural Research and Rural Extension Enterprise of Santa Catarina (EPAGRI) from October to April during 2017/2018 and 2018/2019 crop season.Methodology:Bacteria were isolated from tomato plants with pith necrosis symptoms, using nutrient agar. The isolated strain was identified by a scheme of tests for bacteria that emit fluorescence, known as LOPAT, and by sequencing the 16S rDNA region. Tomato plants were cultivated for two seasons during 2017/2018 and 2018/2019. In the first year the cultivar Paronset was cultivated and in the next season the experiment was performed with the cultivars Compack,Nagai, Paronset and Pizzadoro. During the production season, tomato fruits were harvested and the weight was accounted for. At the beginning of the first bunch formation, the stems of the plant were inoculated with wood sticks containing bacterial colonies removed from a 48h-Petri dish culture medium. Tomato plants cultivated as control treatments were not inoculated. At the end of the cultivation seasons, the stems were cut to analyze the pith necrosis progress.Results:In both cultivation seasons, there was no decrease in the production associated with the pith necrosis caused by P. viridiflavaEPAGRI BacPvT1 because the total weight of fruits harvested from inoculated plants was not statistically different compared to the non-inoculated plants. The disease progressed in all inoculated plants and adventitious root formation as external symptoms was observed.Conclusion:The bacteria Pseudomonas viridiflavaEPAGRI BacPvT1, one of the etiological agents of pith necrosis of tomato, may not decreasethe production. Even causing some injuries, it may be not cause any damage MenosAims: This study aimed to measure the losses in the production of tomato plants caused by the bacteria P. viridiflava.Study Design:Experimentswere performed in a completely randomized design with six replicates.Place and Duration of Study:The study was conducted on the Caçador experimental station of the Agricultural Research and Rural Extension Enterprise of Santa Catarina (EPAGRI) from October to April during 2017/2018 and 2018/2019 crop season.Methodology:Bacteria were isolated from tomato plants with pith necrosis symptoms, using nutrient agar. The isolated strain was identified by a scheme of tests for bacteria that emit fluorescence, known as LOPAT, and by sequencing the 16S rDNA region. Tomato plants were cultivated for two seasons during 2017/2018 and 2018/2019. In the first year the cultivar Paronset was cultivated and in the next season the experiment was performed with the cultivars Compack,Nagai, Paronset and Pizzadoro. During the production season, tomato fruits were harvested and the weight was accounted for. At the beginning of the first bunch formation, the stems of the plant were inoculated with wood sticks containing bacterial colonies removed from a 48h-Petri dish culture medium. Tomato plants cultivated as control treatments were not inoculated. At the end of the cultivation seasons, the stems were cut to analyze the pith necrosis progress.Results:In both cultivation seasons, there was no decrease in... Mostrar Tudo |
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Palavras-Chave: |
Fluorescent bacteria; Solanum lycopersicum; tomato disease. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02679naa a2200193 a 4500
001 1129192
005 2019-11-28
008 2019 bl uuuu u00u1 u #d
100 1 $aMONTEIRO, F. P.
245 $aPith necrosis of tomato caused by Pseudomonas viridiflava may not decrease production.$h[electronic resource]
260 $c2019
520 $aAims: This study aimed to measure the losses in the production of tomato plants caused by the bacteria P. viridiflava.Study Design:Experimentswere performed in a completely randomized design with six replicates.Place and Duration of Study:The study was conducted on the Caçador experimental station of the Agricultural Research and Rural Extension Enterprise of Santa Catarina (EPAGRI) from October to April during 2017/2018 and 2018/2019 crop season.Methodology:Bacteria were isolated from tomato plants with pith necrosis symptoms, using nutrient agar. The isolated strain was identified by a scheme of tests for bacteria that emit fluorescence, known as LOPAT, and by sequencing the 16S rDNA region. Tomato plants were cultivated for two seasons during 2017/2018 and 2018/2019. In the first year the cultivar Paronset was cultivated and in the next season the experiment was performed with the cultivars Compack,Nagai, Paronset and Pizzadoro. During the production season, tomato fruits were harvested and the weight was accounted for. At the beginning of the first bunch formation, the stems of the plant were inoculated with wood sticks containing bacterial colonies removed from a 48h-Petri dish culture medium. Tomato plants cultivated as control treatments were not inoculated. At the end of the cultivation seasons, the stems were cut to analyze the pith necrosis progress.Results:In both cultivation seasons, there was no decrease in the production associated with the pith necrosis caused by P. viridiflavaEPAGRI BacPvT1 because the total weight of fruits harvested from inoculated plants was not statistically different compared to the non-inoculated plants. The disease progressed in all inoculated plants and adventitious root formation as external symptoms was observed.Conclusion:The bacteria Pseudomonas viridiflavaEPAGRI BacPvT1, one of the etiological agents of pith necrosis of tomato, may not decreasethe production. Even causing some injuries, it may be not cause any damage
653 $aFluorescent bacteria
653 $aSolanum lycopersicum
653 $atomato disease
700 1 $aOGOSHI, C.
700 1 $aCARDOSO, D. A.
700 1 $aPERAZZOLI, V.
773 $tAsian Journal of Agricultural and Horticultural Research, London$gv. 4, n. 4, p. 1-6, 2019.
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| 1. |  | PERTILLE, R. H.; CITADIN, I.; OLIVEIRA, L. S.; BROCH, J. C.; KVITSCHAL, M. V.; ARAUJO, L. The influence of temperature on the phenology of apple trees grown in mild winter regions of Brazil, based on long-term records. Scientia Horticulturae, Netherlands, v. 305, 2022.| Tipo: Artigo em Periódico Indexado |
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| 2. | | OLIVEIRA, M. G. B.; CITADIN, I.; PERTILLE, R. H.; KVITSCHAL, M. V. Componentes de rendimento do primeiro ciclo produtivo de genótipos de macieira em região marginal de cultivo. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 28., 2023, Pelotas, RS. Anais... Jaboticabal, SP: SBF, 2023. p. 792-795| Tipo: Resumo em Anais de Congresso |
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| 3. | | OLIVEIRA, M. G. B.; CITADIN, I.; PERTILLE, R. H.; GRIGOLO, C. R.; BALBINOTTI, J.; KVITSCHAL, M. V. Avaliação de qualidade de frutos da primeira safra de genótipos de macieira em região marginal de cultivo. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 28., 2023, Pelotas, RS. Anais... Jaboticabal, SP: SBF, 2023. p. 796-800| Tipo: Resumo em Anais de Congresso |
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