First Report of a Leaf Spot and Stem Canker Caused by Myrothecium roridum on Watermelon in the United States

Myrothecium roridum Tode:Fr, pathogenic to a number of cucurbit species, causes fruit rots, cankers on crowns and stems, and leaf spots. Hosts include cantaloupe and honeydew (Cucurbita melo) and cucumber (Cucumis sativus) (1,3). In June 2004, following a period of heavy rainfall, numerous round-to-...

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Veröffentlicht in:	Plant disease 2005-03, Vol.89 (3), p.342-342
Hauptverfasser:	Seebold, K.W. Jr, Langston, D.B. Jr, Kemerait, R.C. Jr, Hudgins, J.E
Format:	Artikel
Sprache:	eng
Schlagworte:	Citrullus lanatus Cucumis sativus Cucurbita disease diagnosis disease incidence disease outbreaks disease severity fungal diseases of plants Myrothecium roridum new geographic records new host records pathogen identification pathogenicity plant pathogenic fungi signs and symptoms (plants) Solanum tuberosum watermelons
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Beschreibung
Zusammenfassung:	Myrothecium roridum Tode:Fr, pathogenic to a number of cucurbit species, causes fruit rots, cankers on crowns and stems, and leaf spots. Hosts include cantaloupe and honeydew (Cucurbita melo) and cucumber (Cucumis sativus) (1,3). In June 2004, following a period of heavy rainfall, numerous round-to-oblong, brown lesions with concentric rings were observed on leaves of watermelon (Citrullus lanatus) cv. Desert King at the Blackshank Farm in Tifton, GA. Disease was localized in the field and severity was low (
ISSN:	0191-2917 1943-7692
DOI:	10.1094/PD-89-0342A