European Journal of Plant Pathology

, Volume 108, Issue 1, pp 73–80

Patterns of Splash Dispersed Conidia of Fusarium poae and Fusarium culmorum

  • Helena Mirjami Hörberg
Article

Abstract

Splash dispersal of Fusarium culmorum and Fusarium poae spores was studied, using inoculated straw placed on tiles as the inoculum source to infect agar strips and artificially produced leaves. In addition, patterns of spread were studied with spores from inoculated artificial leaves onto agar strips. Observed patterns of spore dispersal for each species were indistinguishable, although F. culmorum produced fewer colonies than F. poae. Furthermore, spore dispersal from inoculated straw and artificial leaves were essentially identical, with one exception; colonies arose from single conidia when spread from artificial leaves, but consisted of clumps of conidia when derived from inoculated straw. Splash dispersal patterns of both species onto the upper- and undersides of artificial leaves were different. On the upperside of the leaf, most colonies were found at the tip, while on the underside of the leaf most colonies were found at the base of the leaf. This is the first time that artificially produced leaves have been used in splash dispersal experiments.

cereals ear blight rain spore dispersal leaves 

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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • Helena Mirjami Hörberg
    • 1
  1. 1.Department of Ecology and Crop Production SciencesSwedish University of Agricultural SciencesUppsalaSweden

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