First report of Sclerotium rolfsii in the Lao PDR

First report of Sclerotium rolfsii in the Lao PDR

In May 2010 basal stem rot of snake bean (long bean) (Vigna unguiculata subsp. sesquipedalis) caused by Sclerotium rolfsii was discovered in Vientiane Capital, Lao PDR, during an ad hoc disease survey. The disease had resulted in death of some infected plants. The basal stem region had a bleached ap...

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Veröffentlicht in:Australasian plant disease notes 2013-12, Vol.8 (1), p.13-15
Hauptverfasser: Songvilay, P, Groenewald, J. Z, Vongphachanh, P, Sayapattha, S, Chittarath, K, Crous, P. W, Burgess, L. W
Format: Artikel
Sprache:eng
Schlagworte:
Agriculture
beans
Biomedical and Life Sciences
Corticium rolfsii
death
Ecology
Entomology
EPS-4
fungi
Laboratorium voor Fytopathologie
Laboratorium voor Phytopathologie
Laboratory of Phytopathology
leaves
Life Sciences
pathogens
Plant Pathology
Plant Sciences
sclerotia
soil
stem rot
surveys
Vigna unguiculata subsp. sesquipedalis
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Beschreibung
Zusammenfassung:In May 2010 basal stem rot of snake bean (long bean) (Vigna unguiculata subsp. sesquipedalis) caused by Sclerotium rolfsii was discovered in Vientiane Capital, Lao PDR, during an ad hoc disease survey. The disease had resulted in death of some infected plants. The basal stem region had a bleached appearance, a typical symptom of this disease. Abundant small, round, brown sclerotia were present on the stem base, and on the adjacent soil and dead leaf material. The fungus was isolated into pure culture and Koch’s postulates were fulfilled. This is the first report of S. rolfsii in the Lao PDR, and the first report of basal stem rot of snake bean caused by this pathogen in the Lao PDR.
ISSN:1833-928X
1833-928X
DOI:10.1007/s13314-012-0085-3