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Rhonda J. Smith

Viticulture Farm Advisor
UC Cooperative Extension
133 Aviation Boulevard
Suite 109
Santa Rosa, CA 95403-2894
(707) 565-2621
rhsmith@ucanr.edu Create VCard

Education

M.S. Horticulture/Viticulture, UC Davis. 1983
B.S. Plant Science/Plant Pathology, UC Davis. 1977

Awards

  • Distinguished Service Award - Outstanding Teamwork
    Presented by UC ANR,  2016

Specialty

Viticulture, wine grapes, water management, pest management, vine nutrition

Areas of Expertise (click to see all ANR academics with this expertise)

Bibliography

Peer Reviewed

  • Girardello, R.C.; Rich, V., et al. (2020). The impact of grapevine red blotch disease on Vitis vinifera L. Chardonnay grape and wine composition and sensory attributes over three seasons. J Sci Food Agric. 100, 1436-1447.
  • Martínez-Lüscher, J.; Plank, CM., et al. (2019). Grapevine Red Blotch Virus may reduce carbon translocation leading to impaired grape berry ripening. J. Agric Food Chem. 67:9, 2437-2448.
  • Girardello, R.C.; Cooper, M.L., et al. (2019). Impact of grapevine red blotch disease on grape composition of Vitis vinifera Cabernet Sauvignon, Merlot, and Chardonnay. J. Ag Food Chem. 67, 5496-5511.
  • Wunderlich, L.R.; Niederholzer, F., et al. (2019). Survey reveals training needs for airblast sprayer applicators, farm managers, owners and pest control advisers. Outlooks on Pest Management. 30:2, 53-59. April.
  • Arnold, K.; McRoberts, N., et al. (2019). Virus surveys of commercial vineyards show value of planting certified vines. Calif Agr. 73:2, 90-95. https://doi.org/10.3733/ca.2019a0006
  • Diaz-Lara, A; Klaassen, A., et al. (2018). Characterization of grapevine leafroll-associated virus 3 genetic variants and application towards RT-qPCR assay design. PLoS ONE. 13:12, pp. 18.
  • Daugherty, M.P.; Almeida, R.P.P., et al. (2018). Severe pruning of infected grapevines has limited efficacy for managing Pierce's disease. Am J Enol Vitic. 69:3, 289-294.
  • Morales-Cruz, A.; Allenbeck, G., et al. (2017). Closed-reference metatranscriptomics enables inplanta profiling of putative virulence activities in the grapevine trunk disease complex. Molecular Plant Pathology. 19:2, 490-503.
  • Ricketts, J.D.; Gomez, M.I., et al. (2017). "Mitigating the Economic Impact of Grapevine Red Blotch: Optimizing Disease Management Strategies in U.S. Vineyards." Am. J. Enol. Vitic 68(1): 127-135.
  • Blanco-Ulate, B.; Hopfer, H., et al. (2017). Red blotch disease alters grape berry development and metabolism by interfering with the transcriptional and hormonal regulation of ripening. Journal of Experimental Botany. 68:5, 1225-1238.
  • Smith, R.J.; Bettiga, L.J., et al. (2015). Diseases. UC IPM Pest Management Guidelines: Grape. University of California Division of Agriculture and Natural Resources. Publ. 3448.
  • Varela, L.G.; Haviland, D.R., et al. (2015). Insects and Mites. UC IPM Pest Management Guidelines: Grape. University of California Division of Agriculture and Natural Resources. Public. 3448, 13-83.
  • Ricketts, K.D.; Gomez, M.I., et al. (2015). "Reducing the economic impact of grapevine leafroll disease in California: Identifying optimal disease management strategies." Am. J. Enol. Vitic 66(2): 138-147.
  • Cooper, M.; Varela, L.; Smith, R.; Whitmer, D.; Simmons, G.; Lucchi, A.; Broadway, R.; Steinhauer, R. (2014). "Managing Newly Established Pests: Growers, scientists and regulators collaborate on European grapevine moth program." Calif Agr 68(4): 125-133. https://doi.org/10.3733/ca.v068n04p125

  • Bettiga, L.J.; Smith, R.J., et al. (2013). Abiotic Disorders and Injuries of Grapevines. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 29-45.
  • Zalom, F.G.; Bettiga, L.J., et al. (2013). Branch and Twig Borer. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 307-310.
  • Varela, L.G.; Cooper, M.L., et al. (2013). Can European grapevine moth, Lobesia botrana, (Lepidoptera: Tortricidae) be eradicated from California? IOBC: Working group on the Integrated Protection and Production in Viticulture. IOBC/WPRS Bulletin. 85, 95-102.
  • Prichard, T.L.; Verdegaal, P., et al. (2013). Controlling Offsite Movement of Agricultural Chemical Residues: Winegrapes. University of California Agriculture and Natural Resources. Publication 8456. August 2013.
  • Zalom, F.G.; Smith, R.J., et al. (2013). Cutworms. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 341-345.
  • Smith, R.J.; Hashim, J.M. (2013). Diagnosing Vineyard Problems. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 49-54.
  • Bettiga, L.J.; Smith, R.J. (2013). European Earwig. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 181-182.
  • Daane, K.M.; Rosenheim, J.A., et al. (2013). Grape Leafhopper. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 202-219.
  • Smith, R.J.; Weber, E.A., et al. (2013). North Coast Calendar of Events for Viticulture Management. Grape Pest Management.E. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 16-17.
  • Urbez-Torres, J.R.; Peduto, F., et al. (2013). "Phomopsis dieback: a grapevine trunk disease caused by Phomopsis viticola in California." Plant Dis 97: 1571-1579.
  • Purcell, A.H.; Kirkpatrick, B.C., et al. (2013). Pierce's Disease. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 75-82.
  • Daane, K.M.; Bentley, W.J., et al. (2013). Planococcus Mealybugs (Vine Mealybug). Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 246-260.
  • Varela, L.G.; Smith, R.J., et al. (2013). Sharpshooters. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 277-285.
  • Mussen, E.C.; Smith, R.J. (2013). Social Wasps and Honey Bees. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 332-334.
  • Phillips, P.A.; Smith, R.J., et al. (2013). Thrips. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 295-304.
  • Smith, R.J. (2013). Treehoppers. Grape Pest Management.L. Bettiga. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343: 286-287.
  • Al Rwahnih, M.; Rowhani, A., et al. (2012). "Grapevine necrotic union, a newly recognized disease of unknown etiology in grapevines grafted on 110 Richter rootstock in California." Journal of Plant Pathology 94(1): 149-156.
  • Varela, L.G.; Bentley, W.J.; Baldwin, R.A.; Shrestha, A.; Smith, R.J.; Vasquez, S.J. 2011. Vineyard Pest Identification and Monitoring Cards. University of California Division of Agriculture and Natural Resources, Publication 3532.

  • Urbez-Torres, J.R.; Battany, M., et al. (2010). "Botryosphaeriaceae species spore trapping studies in California Vineyards." Plant Dis 94: 717-724.
  • Krasnow, M.N.; Matthews, M.A.; Smith, R.J.; Benz, J.; Weber, E.; Shackel, K.A. (2010). "Distinctive symptoms differentiate four common types of berry shrivel disorder in grapes." Calif Agr 64(3): 155-159. https://doi.org/10.3733/ca.v064n03p155

  • Rolshausen, P.E.; Urbez-Torres, J.R., et al. (2010). "Evaluation of pruning wound susceptibility and protection against fungi associated with grapevine trunk diseases in California." Am. J. Enol. Vitic 61(1): 113-119.
  • Krasnow, M.; Weis, N., et al. (2009). "Inception, Progression, and Compositional Consequences of a Berry Shrivel Disorder." Am. J. Enol. Vitic 60(1): 24-34.
  • Steinmaus, S.; Elmore, C.L., et al. (2008). "Mulched cover crops as an alternative to conventional weed management systems in vineyards." Weed Research 48: 278-281.
  • Smith, R.J.; Varela, L.G. (2008). "Sidebar: Pomace management reduces spread of vine mealybugs." Calif Agr 62(4): 172-173. https://doi.org/10.3733/ca.v062n04p172.

  • Anderson, M.M.; Smith, R.J., et al. (2008). "Viticultural Evaluation of French and California Chardonnay Clones Grown for Production of Sparkling Wine." Am. J. Enol. Vitic 59(1): 73-77.
  • Anderson, M.M.; Smith, R.J., et al. (2008). "Viticultural Evaluation of French and California Pinot noir Clones Grown for Production of Sparkling Wine." Am. J. Enol. Vitic 59(2): 188-193.
  • Gubler, D.; Smith, R.J., et al. (2006). Diseases. UC IPM Pest Management Guidelines: Grape. University of California Division of Agriculture and Natural Resources. Publ. 3448.
  • Bentley, W.J.; Varela, L.G., et al. (2006). Insects and Mites. UC IPM Pest Management Guidelines: Grape. University of California Division Agriculture Natural Resources. Publ. 3448.
  • Meyers, J.M.; Miles, J.A.; Faucett, J.; Fathallah, F.; Janowitz, I.; Smith, R.; Weber, E.A. (2006). "Smaller loads reduce risk of back injuries during wine grape harvest." Calif Agr 60(1): 25-31. https://doi.org/10.3733/ca.v060n01p25

  • Mercado-Martin, G.; Wolpert, J.A., et al. (2006). "Viticultural evaluation of eleven clones and two field selections of Pinot noir grown for production of sparkling wine in Los Carneros, California." Am. J. Enol. Vitic 57(3): 371-376.
  • Smith, R.J. (2003). Cabernet franc. Wine Grape Varieties of California.L. Christensen. University of California Division of Agriculture and Natural Resources. Publication 3419, 32-35.
  • Smith, R.J. (2003). Gewurztraminer. Wine Grape Varieties of California.L. Christensen. University of California Division of Agriculture and Natural Resources. Publication 3419: 66-69.
  • Smith, R.J. (2003). Pinot blanc. Wine Grape Varieties of California.L. Christensen. University of California Agriculture and Natural Resources. Publication 3419: 112-113.
  • Smith, R.J. (2003). Pinot gris. Wine Grape Varieties of California.L. Christensen. University of California Agriculture and Natural Resources. Publication 3419: 114-115.
  • Smith, R.J. (2003). Pinot noir. Wine Grape Varieties of California.L. Christensen. University of California Agriculture and Natural Resources. Publication 3419: 106-111.
  • Gubler, D.; Stapleton, J., et al. (2002). Diseases. UC IPM Pest Management Guidelines: Grape. University of California Division Agriculture Natural Resources. Publ. 3339.
  • Bentley, W.J.; Zalom, F., et al. (2002). Insects and Mites. UC IPM Pest Management Guidelines: Grape. University of California Division Agriculture Natural Resources. Publ. 3339.
  • Varela, L.G.; Smith, R.J., et al. (2001). Pierce's Disease. Oakland, University of California Division of Agriculture and Natural Resources. Publication 21600.
  • Meyers, J.M.; Miles, J.A., et al. (2001). "Priority risk factors for back injury in agricultural field work: vineyard ergonomics." J. Agromedicine 8(1): 39-54.
  • Gubler, W.D.; Stapleton, J., et al. (2000). Pierce's disease. UC IPM Pest Management Guidelines: Grape. University of California Division of Agriculture and Natural Resources. Publ. 3339.
  • Bentley, W.J.; Zalom, F., et al. (1999). Grape Leafhoppers. UC IPM Guidelines: Grape. University of California Division of Agriculture and Natural Resources. Publ. 3339.
  • Bentley, W.J.; Zalom, F., et al. (1999). Grape Phylloxera. UC IPM Guidelines: Grape. University of California Division of Agriculture and Natural Resources. Publ. 3339.
  • Elmore, C.; Donaldsen, D., et al. (1998). Weed Management. Cover Cropping in Vineyards: A Grower's Handbook.C. Ingels, R. Bugg, G. McGourty and L. Christensen. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3338. 1998.
  • Feil, H.; Westerdahl, B.B., et al. (1997). "Effect of seasonal and site factors on Xiphinema index populations in two California vineyards." J. Nematology 29(4): 491-500.
  • Weber, E.; De Benedictis, J.; Granett, J.; Smith, R. (1996). "Enzone does little to improve health of phylloxera-infested vineyards." Calif Agr 50(4): 19-23. https://doi.org/10.3733/ca.v050n04p19

  • Smith, R. (1992). Three-cornered alfalfa hopper. Grape Pest Management, 2nd Edition.D. Flaherty. Oakland, University of California Division of Agriculture and Natural Resources. Publication 3343, 249.
  • Williams, L.E.; Smith, R.J. (1991). "The effect of rootstock on the partitioning of dry weight, nitrogen, and potassium, and root distribution of Cabernet Sauvignon grapevines." Am. J. Enol. Vitic 42(2): 113-117.
  • Christensen, L.P.; Smith, R.J. (1989). "Effects of persistent woody laterals on bud performance of Thompson Seedless fruiting canes." Am. J. Enol. Vitic 40(1): 27-30.
  • Williams, L.E.; Biscay, P.J., et al. (1988). "The effect of Paclobutrazol injected into the soil on vegetative growth and yield of Vitis vinifera L., cv.Thompson Seedless." Journal of Hort. Sci 64(5)
  • Williams, L.E.; Biscay, P.J., et al. (1987). "Effect of interior canopy defoliation on berry composition and potassium distribution in Thompson Seedless grapevines." Am. J. Enol. Vitic 38(4): 287-292.

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