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The role of eriophyoids in fungal pathogen epidemiology, mere association or true interaction?

Efrat Gamliel-Atinsky1, Stanley Freeman, Marcel Maymon

  • 1Department of Plant Pathology, University of Georgia, 2311 Plant Sciences, 120 Carlton St., Athens, GA 30602, USA.

Experimental & Applied Acarology
|September 24, 2009
PubMed

Insights

Plant-feeding eriophyoid mites can carry and spread fungal pathogens like Fusarium mangiferae and Puccinia spp. These mites, such as Aceria mangiferae, may increase fungal infection severity in plants, warranting further research.

Area of Science:

  • Agricultural Entomology
  • Plant Pathology
  • Mite-Host Interactions

Background:

  • Plant-feeding mites interact with various plant pathogenic fungi.
  • Eriophyoid mites are known virus vectors, but their role in fungal epidemiology is less understood.
  • This study investigates eriophyoid mite associations with fungal pathogens in mango and cereals.

Purpose of the Study:

  • To examine the relationship between Aceria mangiferae and Fusarium mangiferae in mango.
  • To investigate the association between Abacarus hystrix and Puccinia spp. rusts in cereals.
  • To determine the role of eriophyoid mites in fungal pathogen epidemiology.

Main Methods:

  • Comparative analysis of mite populations on fungal-colonized plant tissues.
  • Microscopic observation of mite bodies for pathogen spore presence.
  • Assessment of fungal infection frequency and severity in relation to mite presence.

Main Results:

  • Higher populations of Aceria mangiferae and Abacarus hystrix were found on plant tissues colonized by Fusarium mangiferae and Puccinia spp., respectively.
  • Both mite species carried spores of the associated fungal pathogens.
  • Aceria mangiferae facilitated fungal spore entry into mango buds, increasing infection.

Conclusions:

  • Eriophyoid mites play a role in the epidemiology of fungal plant pathogens.
  • Aceria mangiferae acts as a vector for Fusarium mangiferae, increasing mango disease.
  • Further research is needed to understand mite-pathogen interactions in diverse plant systems.

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