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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
05/02/2020 |
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Actualizado : |
05/02/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
BERNAL, R.; BERGER, R.D. |
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Afiliación : |
ROBERTO FRANCISCO BERNAL PIACENTINI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; R. D. BERGER, Plant Pathology Department, University of Florida, Gainesville, FL, United States. |
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Título : |
The spread of epiphytic populations of Xanthomonas campestris pv. vesicatoria on pepper in the field. |
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Fecha de publicación : |
1996 |
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Fuente / Imprenta : |
Journal of Phytopathology, 1996, Volume 144, Issue 9-10, Pages 479-484. |
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ISSN : |
0931-1785 |
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DOI : |
10.1111/j.1439-0434.1996.tb00328.x |
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Idioma : |
Inglés |
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Notas : |
Article history: Received January 18 1996 / Accepted May 25 1996. |
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Contenido : |
ABSTRACT.
The spread of the epiphytic population of Xanthomonas campestris pv. vesicatoria and the disease it causes, bacterial leaf spot, were studied in field plots of pepper near Gainesville, Florida. In the summer of 1989, the epiphytic population of X. campestris pv. vesicatoria was dispersed to the west-northwest from point sources of diseased plants. Winds from the southeast during rainstorms were essential for the spread of bacteria in the field. In the autumn of 1989, a focus of bacterial leaf spot developed naturally near the centre of the experimental plot. The epiphytic population of X. campestris pv. vesicatoria increased sharply after a 2-day rain accompanied with strong wind. The wind was believed to be responsible for the transport of bacteria to distances 32 m from the focus. Initially in both seasons, the epiphytic populations occurred as distinct gradients from the focal sources of diseased plants. These gradients flattened over time and the disease incidence increased to near 100%. The increase in the epiphytic populations of the pathogen to > 3.0 log10 (cfu cm-2) on healthy plants away from the foci preceded disease appearance by several weeks. Applications of cupric hydroxide plus mancozeb significantly reduced the epiphytic population of X. campestris pv. vesicatoria on pepper leaves and slowed the spread of disease in the plots. |
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Palabras claves : |
Bacteria (microorganisms); Vesicatoria. |
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Thesagro : |
XANTHOMONAS; XANTHOMONAS CAMPESTRIS pv. |
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Asunto categoría : |
H20 Enfermedades de las plantas |
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Marc : |
LEADER 02123naa a2200217 a 4500
001 1060767
005 2020-02-05
008 1996 bl uuuu u00u1 u #d
022 $a0931-1785
024 7 $a10.1111/j.1439-0434.1996.tb00328.x$2DOI
100 1 $aBERNAL, R.
245 $aThe spread of epiphytic populations of Xanthomonas campestris pv. vesicatoria on pepper in the field.$h[electronic resource]
260 $c1996
500 $aArticle history: Received January 18 1996 / Accepted May 25 1996.
520 $aABSTRACT. The spread of the epiphytic population of Xanthomonas campestris pv. vesicatoria and the disease it causes, bacterial leaf spot, were studied in field plots of pepper near Gainesville, Florida. In the summer of 1989, the epiphytic population of X. campestris pv. vesicatoria was dispersed to the west-northwest from point sources of diseased plants. Winds from the southeast during rainstorms were essential for the spread of bacteria in the field. In the autumn of 1989, a focus of bacterial leaf spot developed naturally near the centre of the experimental plot. The epiphytic population of X. campestris pv. vesicatoria increased sharply after a 2-day rain accompanied with strong wind. The wind was believed to be responsible for the transport of bacteria to distances 32 m from the focus. Initially in both seasons, the epiphytic populations occurred as distinct gradients from the focal sources of diseased plants. These gradients flattened over time and the disease incidence increased to near 100%. The increase in the epiphytic populations of the pathogen to > 3.0 log10 (cfu cm-2) on healthy plants away from the foci preceded disease appearance by several weeks. Applications of cupric hydroxide plus mancozeb significantly reduced the epiphytic population of X. campestris pv. vesicatoria on pepper leaves and slowed the spread of disease in the plots.
650 $aXANTHOMONAS
650 $aXANTHOMONAS CAMPESTRIS pv
653 $aBacteria (microorganisms)
653 $aVesicatoria
700 1 $aBERGER, R.D.
773 $tJournal of Phytopathology, 1996, Volume 144, Issue 9-10, Pages 479-484.
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