Andy Walker
University of California, Davis

Professor and Geneticist, Department of Viticulture and Enology, University of California, Davis

Andy Walker’s lab focuses on grape breeding and the genetics of resistance to pests and diseases.  He breeds rootstocks for resistance to nematodes, phylloxera, fanleaf, drought and salinity, and wine grapes with resistance to Pierce’s disease and powdery mildew.  He has authored over 160 peer-reviewed papers, holds patents on 5 rootstocks and has patents pending on 5 Pierce’s Disease resistant winegrapes.  Andy teaches Viticultural Practices a 3 quarter course that covers vineyard establishment, training, canopy management, pruning, and grapevine identification.  He held the Louis P. Martini Endowed Chair from 2000 to 2015 and has been the Louise Rossi Endowed Chair in Viticulture since 2015.

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