Biocontrol Science and Technology (2016) 26, 577-604

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E. Jordán Muñoz-Adalia, M. Mercedes Fernández and Julio J. Diez (2016)
The use of mycoviruses in the control of forest diseases
Biocontrol Science and Technology 26 (5), 577-604
Abstract: Fifteen families of mycoviruses have been described and 80% of these catalogued. However, their evolutionary relationship with fungi is not clear. The mycovirus genome can be formed by single- or double-stranded RNA or single-stranded DNA. The effects of mycoviruses range from the induction of a cryptic state (asymptomatic) to promotion of hyper- or hypovirulence in the host. Horizontal transmission of mycoviruses is determined by the presence of different vegetative compatibility types and mating types. Biocontrol of chestnut blight (Cryphonectria parasitica) has been found to be a successful mycovirus-based treatment and is considered a model in forest disease management. Development of this type of biological control tool for use in other forest pathologies requires a sound knowledge of viral symptomatology and transmission. The present review focuses on the application of mycoviruses and the prospects for future use in the biological control of forest diseases as well as on advances in mycovirus-applied research in forestry, landscape and culture of woody plants.
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Database assignments for author(s): Julio Diez, M. Mercedes Fernandez

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.
Cryphonectria parasitica
Cryphonectria parasitica hypoviruses (antagonist) Cryphonectria parasitica