European Journal of Plant Pathology (2005) 112, 143-154

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X. -M. Xu, D.W. Parry, P. Nicholson, M.A. Thomsett, D. Simpson, S.G. Edwards, B.M. Cooke, F.M. Doohan, J.M. Brennan, A. Moretti, G. Tocco, G. Mule, L. Hornok, G. Giczey and J. Tatnell (2005)
Predominance and association of pathogenic fungi causing Fusarium ear blightin wheat in four European countries
European Journal of Plant Pathology 112 (2), 143-154
Abstract: Two years of field sampling aimed to establish the predominance and association among the fungal pathogens causing Fusarium ear blight (FEB) in four European countries (Hungary, Ireland, Italy and the UK). A PCR-based method was used to detect four Fusarium species and two varieties of Microdochium nivale present in the samples. The prevalence of FEB pathogens differed significantly between countries. Overall, all pathogens were commonly detected in Ireland and to a lesser extent in the UK. In contrast, only two species, F. graminearum and F. poae, were regularly detected in Italy and Hungary. Fusarium culmorum was rarely detected except in Ireland. Log-linear models were used to determine whether there is the independence of the six FEB pathogens at each sampling site. Significant two-pathogen interactions were frequently observed, particularly in harvest samples; all these significant two-pathogen interactions were of the synergistic type, except between F. poae and F. culmorum, and were generally consistent over the 2 years and four countries. Fusarium graminearum and F. poae were least frequently involved in two pathogen interactions but were involved in most of the nine significant three-pathogen interactions. However, only the interaction between F. graminearum, F. avenaceum and F. poae was significant in both years. Potential implications of the present results in FEB management are discussed.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Xiang Ming Xu, Paul Nicholson, Fiona M. Doohan, Simon G. Edwards

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Fusarium poae Wheat (Triticum) Hungary
Fusarium poae Wheat (Triticum) Ireland
Fusarium poae Wheat (Triticum) Italy
Fusarium poae Wheat (Triticum) United Kingdom
Fusarium culmorum Wheat (Triticum) Ireland
Fusarium culmorum Wheat (Triticum) United Kingdom
Fusarium avenaceum Wheat (Triticum) Ireland
Fusarium avenaceum Wheat (Triticum) United Kingdom
Fusarium graminearum Wheat (Triticum) Hungary
Fusarium graminearum Wheat (Triticum) Ireland
Fusarium graminearum Wheat (Triticum) Italy
Fusarium graminearum Wheat (Triticum) United Kingdom
Microdochium nivale Wheat (Triticum) Ireland
Microdochium nivale Wheat (Triticum) United Kingdom