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Molecular strategies to enhance the genetic resistance of grapevines to powdery mildew

Abstract : The Eurasian winegrape Vitis vinifera has little or no genetic resistance to the major fungal pathogens, powdery mildew (Erysiphe necator) and downy mildew (Plasmopora viticola). These pathogens were first introduced into French vineyards from North America in the 1800s before spreading to all major grape producing regions of the world. As a result, grape production is highly dependent on the use of fungicides. With the increasing financial and environmental costs of chemical application and the emergence of fungicide-resistant strains, the introduction of natural genetic resistance against these fungal pathogens is a high priority for viticultural industries worldwide. We are utilising a number of different molecular approaches to increase our understanding of the basis of resistance to these important major fungal pathogens and to identify potential new sources of genetic resistance. This review will outline the progress and the potential of each of these different molecular strategies to the generation of fungal-resistant grapevine germplasm.
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Submitted on : Saturday, May 30, 2020 - 11:45:51 PM
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I.B. Dry, A. Feechan, C. Anderson, A.M. Jermakow, A Bouquet, et al.. Molecular strategies to enhance the genetic resistance of grapevines to powdery mildew. Australian Journal of Grape and Wine Research, Wiley/Australian Society of Viticulture and Oenology 2010, 16, pp.94-105. ⟨10.1111/j.1755-0238.2009.00076.x⟩. ⟨hal-02662247⟩



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