Traditional and Emerging Approaches for Disease Management of Plasmopara viticola, Causal Agent of Downy Mildew of Grape

Jessica I. Clippinger (), Emily P. Dobry (), Ivy Laffan, Nyla Zorbas, Bryan Hed and Michael A. Campbell
Additional contact information
Jessica I. Clippinger: The Lake Erie Regional Grape Research and Extension Center, North East, PA 16428, USA
Emily P. Dobry: College of Agricultural Sciences, The Pennsylvania State University, University Park, PA 16802, USA
Ivy Laffan: Penn State Erie, The Behrend College, Erie, PA 16428, USA
Nyla Zorbas: Penn State Erie, The Behrend College, Erie, PA 16428, USA
Bryan Hed: The Lake Erie Regional Grape Research and Extension Center, North East, PA 16428, USA
Michael A. Campbell: The Lake Erie Regional Grape Research and Extension Center, North East, PA 16428, USA

Agriculture, 2024, vol. 14, issue 3, 1-24

Abstract: The oomycete Plasmopara viticola , which causes downy mildew, is currently one of the most destructive pathogens affecting grape production. Although native to the eastern United States, P. viticola was introduced into Europe in the mid-to-late 1800s and is now found in virtually every grape-growing region of the world. Since its discovery, much effort has been made to understand the life cycle and infection process of the pathogen to develop more effective management practices. Widespread application of fungicides, especially those which have only one mode of action, has led to an increased occurrence of resistance to these treatments. Thus, with increased fungicide resistance and rising environmental concerns surrounding their use, traditional chemical management practices have begun to fall out of favor. Newer approaches, from targeted breeding utilizing quantitative trait loci to biological control agents, are continually being investigated and adapted to limit the damage caused by downy mildew. This review summarizes the current knowledge of the pathogen and methods of its control and explores potential avenues for future research focused on hypovirulence and biological control agents.

Keywords: Plasmopara viticola; downy mildew; grape; Vitis vinifera; fungicide resistance (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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