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- Title
Comparison of <em>Gaeumannomyces</em>- and <em>Phialophora</em>-like fungal pathogens from maize and other plants using DNA methods.
- Authors
Ward, Elaine; Bateman, Geoffrey L.
- Abstract
Several DNA-based techniques, developed for identifying and differentiating fungi in the <em>Goeumannmyces- Phialophora</em> complex associated with take-all diseases of cereals and grasses, were used to compare fungi from maize. Maize isolates obtained as <em>G. gramini</em>s (Sauc.) .Arx & H Olivier var. <em>tritici</em> Walker, from the UK, having been identified by ascospore morphology and in pathogenicitv tests on wheat. were indistinguishable from isolates of the same variety obtained from wheat. Isolates of <em>G. gramims</em> (Sacc.) Arx & H Olivier var. <em>maydis</em> Yao et al., recently described as the maize take-all fungus from China, were identical in DNA tests to the anamorphic fungus <em>Philalophora radicicola</em> Cain and almost identical to <em>Phialophora zeicola</em> Deacon & Scott, whose description was originally based on isolates from South Africa and France, These species appear to represent the holomorph of the same fungus. The late wilt pathogen of maize, from India and Egypt, commonly known as <em>Cephalosporium maydis</em> Samra et al.. but suggested as being the <em>Phialophora anamorph of a <em>Gaeumannomyces</em> species was closely related to other <em>Gaeumannamyces</em> species included in the tests.
- Subjects
PHIALOPHORA; DNA; FUNGAL ecophysiology; GAEUMANNOMYCES; PATHOGENIC microorganisms; PLANT genetics
- Publication
New Phytologist, 1999, Vol 141, Issue 2, p323
- ISSN
0028-646X
- Publication type
Article
- DOI
10.1046/j.1469-8137.1999.00346.x