1995
DOI: 10.3186/jjphytopath.61.503
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Pythium Rot of Broccoli Caused by Pythium ultimum Trow var. ultimum.

Abstract: A stem rot of broccoli caused by a species of Pythium was found at Tsu city, Mie Prefecture in October 1993. The infected stems appeared white rot with aqueous edge. The morphology of sexual organs made by the isolate closely fits van der Plaats-Niterink's description of Pythium ultimum Trow var. ultimum. The isolate was pathogenic to seedlings of many crop species. This is the first report on stem rot of broccoli caused by Pythium ultimum Trow var. ultimum in Japan.

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Cited by 5 publications
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“…ultimum has been named Pythium rot (Pythium fuhai-byo in Japanese) (Kikumoto 1987). A similar disease of other brassicaceous plants caused by Pythium species is also known as Pythium rot (Hagiwara et al 1980;Kubota et al 1995;Mori et al 1996;Tanina et al 2004). We thus propose to call the present disease Pythium rot of Chinese cabbage and to add P. aphanidermatum as a new pathogen of this disease.…”
Section: Pathogenicitymentioning
confidence: 97%
“…ultimum has been named Pythium rot (Pythium fuhai-byo in Japanese) (Kikumoto 1987). A similar disease of other brassicaceous plants caused by Pythium species is also known as Pythium rot (Hagiwara et al 1980;Kubota et al 1995;Mori et al 1996;Tanina et al 2004). We thus propose to call the present disease Pythium rot of Chinese cabbage and to add P. aphanidermatum as a new pathogen of this disease.…”
Section: Pathogenicitymentioning
confidence: 97%
“…To our knowledge, this is the first report of rot caused by Pythium species on chingensai. Stem and crown root rot of brassicaceous plants caused by Pythium species have been named Pythium rot (Pythium fuhai-byo in Japanese) of Chingensai (Hagiwara et al 1980;Kikumoto 1987;Kubota et al 1995;Mori et al 1996). This name is proposed for the new disease because of the similarity of the symptoms and pathogens to those of these known diseases.…”
Section: Pathogenicity All Isolates Shown Inmentioning
confidence: 98%
“…italica Plen.) (Kubota et al 1995), cabbage (Brassica oleracea L. var. capitata L., capitata group) (Mori et al 1996), and Japanese radish (Raphanus sativus L. var.…”
Section: Pathogenicity All Isolates Shown Inmentioning
confidence: 99%
“…Por esta razón, es importante determinar si el patógeno primario es un hongo o una bacteria, especialmente cuando la pudrición sometida a estudio se ha asociado inicialmente con un patógeno bacteriano y se desconoce la participación del hongo P. ultimum BRSA-02 en ella. Los síntomas descritos en este trabajo, no se asemejan a la descripción que Kubota et al (1995) hicieron sobre la pudrición del tallo del brócoli, que la definieron como de consistencia acuosa con una superficie blanquecina debido al desarrollo del micelio. No existen datos sobre la incidencia de esta sintomatología, quizás porque se asocia, como hemos dicho anteriormente, a una pudrición blanda bacteriana.…”
Section: Discussionunclassified
“…El primer informe de podredumbre del tallo del brócoli causada por P. ultimum fue publicado por Kubota et al (1995) en Japón, pero la sintomatología descrita no coincidía exactamente con la que encontramos en este estudio. Estos autores describieron una enfermedad caracterizada por una pudrición acuosa del tallo acompañada de una superficie blanquecina como consecuencia del desarrollo del micelio fúngico.…”
Section: Velocidad De Enfriamiento Y De Descongelaciónunclassified