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has been cited by the following article:

• TITLE: Cucurbit Host Range of Myrothecium roridum Isolated from Watermelon

  AUTHORS: Wayne W. Fish, Benny D. Bruton, Thomas W. Popham

  KEYWORDS: Myrothecium roridum; Watermelon; Leaf and Stem Blight; Cucurbits

  JOURNAL NAME: American Journal of Plant Sciences, Vol.3 No.3, March 19, 2012

  ABSTRACT: In 2010, a foliar and stem-lesion disease that produced moderate to severe defoliation of watermelon was observed in the southern Great Plains. The disease was ultimately determined to be caused by Myrothecium roridum. The objective of this study was to compare the susceptibility of the vegetation and fruit of a broad range of commercially important cucurbits to three isolates obtained from these foliar lesions on watermelon. In greenhouse foliar inoculation experiments, cantaloupe, honeydew, cucumber, squash, and watermelon were susceptible to the fungus with cantaloupe and honeydew being the most susceptible and watermelon the most resistant. Furthermore, greenhouse inoculations supported earlier field observations as differential resistance was exhibited among the watermelon cultivars as well as the cucurbit types. All tested cucurbit fruit exhibited interior lesions when inoculated sub-epidermally with M. roridum isolates. However, natural infection of watermelon and pumpkin fruit has never been reported.