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ORIGINAL ARTICLE Moths that Vector a Plant Pathogen also Transport

Moths that Vector a Plant Pathogen also Transport
Endophytic Fungi and Mycoparasitic Antagonists
Tracy S. Feldman & Heath E. O'Brien &
A. Elizabeth Arnold
Received: 3 April 2007 /Accepted: 5 April 2008 /Published online: 20 May 2008
# Springer Science + Business Media, LLC 2008
Abstract Claviceps paspali, a common fungal pathogen
of Paspalum grasses, attracts moth vectors by producing
sugary exudates in the grass florets it infects. These
exudates also support mycoparasitic Fusarium species that
may negatively influence C. paspali fitness. We examined
the potential for moths on which C. paspali depends to also
transmit mycoparasitic Fusarium and fungal endophytes,
which inhabit asymptomatic plant tissue and may influence
host susceptibility to pathogens. We quantified infections
by C. paspali, Fusarium spp., and endophytic fungi asso-
ciated with Paspalum spp. at focal sites in the southeastern
USA and used data from the nuclear internal transcribed
spacer (ITS rDNA) to compare communities of plant-


Source: Arnold, A. Elizabeth - School of Plant Sciences, University of Arizona


Collections: Biology and Medicine