Dr. Andrew G. Reynolds

Dr. Andrew G. Reynolds

CCOVI Researcher
Professor of Biological Sciences/Viticulture
Faculty of Mathematics and Science, Brock University, St. Catharines, Ont.
Email: areynolds@brocku.ca
Phone: 905-688-5550 x3131
Fax: 905-688-3104
Office: IH 311

Education
B.Sc. (Agr.), Horticulture Major, University of Guelph, Guelph, Ont.
M.Sc., Plant Breeding and Genetics, University of Guelph, Guelph, Ont.
Ph.D., Pomology, Plant Physiology, and Food Science, Cornell University, Ithaca, NY

Teaching
OEVI 2P45 - Cultural Practices
OEVI 2P99 - Grapevine Biology
OEVI/GEOG 2P97 - Introduction to Soil Science
OEVI 1P20 - Introduction to Wines

Research
Viticultural practices and their influences upon wine and juice quality, characterization of impact of terroir on the sensory properties of Niagara wines and impact of irrigation and vine water status.

Selected Recent Publications and Presentations

  • Rezaei, J.H., and A.G. Reynolds. 2010. Characterization of Niagara peninsula Cabernet Franc wines by sensory analysis. Amer. J. Enol. Vitic. 61: 1-14.
  • Hakimi Rezaei, J. and Reynolds, A.G. 2010. Evaluation of Cabernet Franc wines in the Niagara Peninsula. Progres Agricole et Viticole 127(4):87-92.
  • Willwerth, J.J., Reynolds, A.G. and Lesschaeve, L. 2010. Terroir factors: Their impact in the vineyard and on the sensory profiles of Riesling wines. Progres Agricole et Viticole 127(8):159-168.
  • Reynolds, A.G., C. de Savigny, and J. Willwerth. 2010. Riesling terroir in Ontario vineyards. The roles of soil texture, vine size and vine water status. Progres Agricole et Viticole 127(10):212-222.

  • Reynolds, A.G., M. Marciniak, R. Brown, L. Tremblay, and L. Baissas. 2010. Using GPS, GIS and airborne imaging to understand Niagara terroir. Progres Agricole et Viticole 127(12):259-274.
  • Balint, G. and Reynolds, A.G. 2010. Effect of different irrigation strategies on vine physiology and grape quality of Cabernet Sauvignon and Sauvignon blanc in a cool-climate area. Progres Agricole et Viticole 127(11):232-241.
  • Hakimi, J. and A.G. Reynolds. 2010. Impact of vine water status on sensory evaluation of Cabernet Franc wines in the Niagara Peninsula of Ontario. J. Int. Sciences Vigne Vin 44:61-75.
  • Reynolds, A.G., A. Ehtaiwesh, and C. de Savigny. 2009. Irrigation scheduling for Sovereign Coronation table grapes based upon evapotranspiration calculations and crop coefficients. HortTechnology 19:719-736.
  • Reynolds, A.G. and J. Vanden Heuvel. 2009. The influence of grapevine training systems on vine growth and fruit composition—A review. Amer. J. Enol. Vitic. 60:251-268.

      Recent Presentations at International Conferences

  • Balint, G. and Reynolds, A.G. 2009. Effect of ABA on vine physiology and grape quality of Cabernet Sauvignon in a cool-climate area. Abstract, ASEV 60th Annual Meeting 23–26 June 2009, Napa, CA. Am. J. Enol. Vitic. 60: 386A-409A.
  • Balint, G. and Reynolds, A.G. 2009. Effect of different irrigation strategies on vine physiology, yield, and grape composition in Cabernet Sauvignon and Sauvignon blanc in a cool-climate area. Proc. 16th GiESCO Conf., Davis, CA, 12-16 July 2009, pp. 271-276.
  • Hakimi Rezaei, J. and Reynolds, A.G. 2009. Evaluation of Cabernet Franc Wines in the Niagara Peninsula. Proc. 16th International GiESCO Symposium, Davis, CA 12-16 July 2009.
  • Reynolds, A.G., C. de Savigny, and J. Willwerth. 2009. Riesling terroir in Ontario vineyards. The roles of soil texture, vine size and vine water status. Proc. 16th GiESCO Conf., Davis, CA, 12-16 July 2009, pp. 289-297.
  • Reynolds, A.G., M. Marciniak, R. Brown, L. Tremblay, and L. Baissas. 2009. Using GPS, GIS and airborne imaging to understand Niagara terroir. Proc. 16th GiESCO Conf., Davis, CA, 12-16 July 2009, pp. 573-587.
  • Willwerth, J.J., Reynolds, A.G. and Lesschaeve, L. 2009. Terroir factors: Their impact in the vineyard and on the sensory profiles of Riesling wines. Proc. 16th International GiESCO Symposium, Davis, CA, 12-16 July 2009, pp. 13-18.

          Other Publications

  • Reynolds, A.G., T. Fuleki, and W.D. Evans. 1982. Inheritance of methyl anthranilate and total volatile esters in Vitis spp. Amer. J. Enol. Vitic. 33:14-19.
  • Reynolds, A.G., R.M. Pool, and L.R. Mattick. 1985. Effect of training system on growth, yield, fruit composition and wine quality of Seyval blanc. Amer. J. Enol. Vitic. 36:156-165.
  • Reynolds, A.G., R.M. Pool, and L.R. Mattick. 1986. Effect of shoot density and crop control on growth, yield, fruit composition and wine quality of 'Seyval blanc'. J. Amer. Soc. Hort. Sci. 111:55-63.
  • Reynolds, A.G., R.M. Pool, and L.R. Mattick. 1986. Influence of cluster exposure on fruit composition and wine quality of Seyval blanc. Vitis 25:85-95.
  • Reynolds, A.G.  1988. Response of Okanagan Riesling vines to training system and simulated mechanical pruning. Amer. J. Enol. Vitic. 39:205-212.
  • Reynolds, A.G. 1988. Inhibition of lateral shoot growth in summer-hedged 'Riesling' grapevines by paclobutrazol. HortScience 23:728-730.
  • Reynolds, A.G. 1988. Response of Riesling vines to training system and pruning strategy. Vitis 27:229-242.
  • Reynolds, A.G. 1988. Effectiveness of naphthaleneacetic acid and paclobutrazol for control of regrowth of trunk suckers on 'Okanagan Riesling' grapevines. J. Amer. Soc. Hort. Sci. 113:484-488.
  • Reynolds, A.G., and D.A. Wardle. 1988. Canopy management of Gewurztraminer and monoterpene levels. Proc. 2nd Int. Symp. Cool Climate Vitic. & Oenol. (R.E. Smart, R.J. Thornton, S.B. Rodriguez, and J. Young, eds.). New Zealand Society for Oenology and Viticulture, Auckland. Pp. 116-122.
  • Reynolds, A.G., L.G. Denby, G.E. Strachan, and M.J. Bouthillier. 1988. ‘Sovereign Opal' grape. HortScience 23:642-643.
  • Reynolds, A.G. 1988. Control of vegetative growth in Vitis by paclobutrazol--implications for winegrape quality. Acta Hortic. 239:235-242.
  • Reynolds, A.G. 1989. Impact of pruning strategy, cluster thinning, and shoot removal on growth, yield, and fruit composition of low-vigor De Chaunac vines. Can. J. Plant Sci. 69:269-275.
  • Reynolds, A.G. 1989. Riesling vines respond to cluster thinning and shoot density manipulation. J. Amer. Soc. Hort. Sci. 114:264-268.
  • Reynolds, A.G., and D.A. Wardle. 1989. Effects of timing and severity of summer hedging on growth, yield, fruit composition, and canopy characteristics of De Chaunac. I. Canopy characteristics and growth parameters. Amer. J. Enol. Vitic. 40:109-120.
  • Reynolds, A.G., and D.A. Wardle. 1989.  Impact of several canopy manipulation practices on growth, yield, fruit composition, and wine quality of Gewurztraminer. Amer. J. Enol. Vitic. 40:121-129.
  • Reynolds, A.G., and D.A. Wardle. 1989. Influence of fruit microclimate on monoterpene levels of Gewurztraminer. Amer. J. Enol. Vitic. 40: 149-154.
  • Reynolds, A.G., and D.A. Wardle. 1989. Effects of timing and severity of summer hedging on growth, yield, fruit composition, and canopy characteristics of De Chaunac. II. Yield and fruit composition. Amer. J. Enol. Vitic. 40:299-308.
  • Reynolds, A.G., L.G. Denby, G.E. Strachan, and M.J. Bouthillier. 1989. 'Sovereign Tiara' grape. HortScience 24:397-398.
  • Reynolds, A.G., L.G. Denby, and M.J. Bouthillier. 1989. 'Simone' grape. HortScience 24: 866-867.
  • Reynolds, A.G., L.G. Denby, and M.J. Bouthillier. 1990. Relative performance of ten Bath grape clones. Fruit Var. J. 44:93-97.
  • Reynolds, A.G., and D.A. Wardle. 1990. Vegetative growth suppression by paclobutrazol in greenhouse grown 'Pinot noir' vines. HortScience 25:1250-1254.
  • Reynolds, A.G., P.L. Sholberg, and D.A. Wardle. 1992. Canopy manipulation of Okanagan Riesling vines for improvement of winegrape quality. Can. J. Plant Sci. 72:489-496.
  • Reynolds, A.G., D.A. Wardle, A.C. Cottrell, and A.P. Gaunce. 1991. NAA and paclobutrazol for grapevine sucker control: Efficacy, vine performance, and residues in fruit tissue. HortScience 26:1286-1287.
  • Reynolds, A.G., D.A. Wardle, C. Zurowski, and N.E. Looney. 1992. Effects of the substituted phenylurea derivatives CPPU and thidiazuron on yield components, fruit composition, and storage potential of four seedless grape selections. J. Am. Soc. Hort. Sci. 117:85-89.
  • Reynolds, A.G., D.A. Wardle, A.C. Cottrell, and A.P. Gaunce. 1992. Advancement of 'Riesling' fruit maturity by paclobutrazol-induced reduction of lateral shoot growth. J. Am. Soc. Hort. Sci. 117:430-435.
  • Reynolds, A.G. and D.A. Wardle. 1993. Yield component path analysis of Okanagan Riesling vines conventionally pruned or subjected to simulated mechanical pruning. Am. J. Enol. Vitic. 44:173-179.
  • Reynolds, A.G., D.A. Wardle, and M. Dever. 1993. Terpene response to pressing, harvest date, and skin contact in Vitis vinifera. HortScience 28: 920-924.
  • Reynolds, A.G., C.G. Edwards, D.A. Wardle, D.R. Webster, and M. Dever. 1994. Shoot density affects 'Riesling' grapevines. I. Vine performance. J. Am. Soc. Hort. Sci. 119:874-880.
  • Reynolds, A.G., C.G. Edwards, D.A. Wardle, D.R. Webster, and M. Dever.  1994. Shoot density affects 'Riesling' grapevines. II. Wine composition and sensory response. J. Am. Soc. Hort. Sci. 119:880-892.
  • Reynolds, A.G., and D.A. Wardle. 1994. Impact of training system and vine spacing on vine performance and berry composition of Seyval blanc. Am. J. Enol. Vitic. 45:444-451.
  • Reynolds, A.G., D.A. Wardle, and M. Dever. 1994. Shoot density effects on Riesling grapevines: interaction with cordon age. Am. J. Enol. Vitic. 45:435-443.
  • Reynolds, A.G., S.F. Price, D.A. Wardle, and B.T. Watson. 1994. Fruit environment and crop level effects on Pinot noir. I. Vine performance and fruit composition. Am. J. Enol. Vitic. 45:452-459.
  • Benoteau, G., and A.G. Reynolds. 1994. Interfering substances in the colorimetric quantitation of grape monoterpenes. HortScience 29:1335-1336.
  • Reynolds, A.G., and A.P. Naylor. 1994. Glasshouse-grown 'Pinot noir' and 'Riesling' grapevines respond to water stress duration and soil water-holding capacity. HortScience 29:1505-1510.
  • Reynolds, A.G., D.A. Wardle, and A.P. Naylor. 1995. Impact of training system and vine spacing on vine performance and berry composition of Chancellor. Am. J. Enol. Vitic. 46:88-97.
  • Reynolds, A.G., D.A. Wardle, J.W. Hall and M. Dever. 1995. Fruit maturation in four Vitis vinifera cultivars in response to vineyard location and basal leaf removal. Am. J. Enol. Vitic. 46:542-558.
  • Reynolds, A.G., and D.A. Wardle. 1995. Performance of Gewurztraminer vines on three rootsystems. Fruit Var. J. 49:31-33.
  • Reynolds, A.G., D.A. Wardle, J.W. Hall and M. Dever. 1995. Fruit maturation of 'Okanagan Riesling' grapes: Effect of site, year, and basal leaf removal. Fruit Var. J. 49:213-224.
  • Reynolds, A.G, D.A. Wardle, B.T. Drought, and R. Cantwell. 1995. Gro-Mate soil amendment improves growth of 'Chardonnay' grapevines. HortScience 30:539-542.
  • Reynolds, A.G., D.A. Wardle, and A.P. Naylor. 1996. Impact of training system, vine spacing, and basal leaf removal on Riesling vine performance, berry composition, canopy microclimate, and vineyard labor requirements. Am. J. Enol. Vitic. 47:63-76.
  • Reynolds, A.G., D.A. Wardle, and M. Dever. 1996. Vine performance, fruit composition, and wine sensory attributes of Gewurztraminer in response to vineyard location and canopy manipulation. Am. J. Enol. Vitic. 47:77-92.
  • Reynolds, A.G., S. Yerle, B.T. Watson, S.F. Price, and D.A. Wardle. 1996. Fruit environment and crop level effects on Pinot noir. III. Composition and descriptive analysis of Oregon and British Columbia wines. Am. J. Enol. Vitic. 47:329-339.
  • Cliff, M.A., M.C. Dever, and A.G. Reynolds. 1996. Descriptive profiling of new and commercial British Columbia table grape cultivars. Am. J. Enol. Vitic. 47:301-308.
  • Reynolds, A.G., P.L. Sholberg, D.A. Wardle, and P. Haag. 1996. Use of potassium silicate for the control of powdery mildew (Uncinula necator) in Vitis vinifera cultivar Bacchus. Am. J. Enol. Vitic. 47:421-28.
  • Girard, B., T.G. Kopp, A.G. Reynolds, and M. Cliff. 1997. Influence of vinification treatments on aroma constituents and sensory descriptors of Pinot noir wines. Am. J. Enol. Vitic. 48:198-206.
  • Reynolds, A.G., W.S. Lanterman, and D.A. Wardle. 1997. Yield and berry composition of five Vitis cultivars as affected by rupestris stempitting virus. Am. J. Enol. Vitic. 48:449-458.
  • Reynolds, A.G., and D. Wardle. 1997. Flavour development in the vineyard. S. Afr. J. Enol. Vitic.18:3-18.
  • Reynolds, A.G., M.J. Bouthillier, D.A. Wardle, and L.G. Denby. 1997. Skookum Seedless grape. HortScience 32:743-744.
  • Reynolds, A.G., M.J. Bouthillier, D.A. Wardle, and L.G. Denby. 1997. Sooke Seedless grape. HortScience 32:745-746.
  • Sholberg, P.L., A.G. Reynolds, and A.P. Gaunce. 1996. Fumigation of table grapes with acetic acid to prevent postharvest decay. Plant Disease 80:1425-1428.
  • Gao, L., B. Girard, G. Mazza, and A.G. Reynolds. 1997. Changes in anthocyanins and color characteristics of Pinot noir wines during different vinification processes. J. Agric. Food Chem. 45:2003-2008.
  • Edwards, C.G., A.G. Reynolds, A.V. Rodriguez, M.J. Semon, and J.M. Mills. 1999. Implication of acetic acid in the induction of slow/stuck fermentations and inhibition of yeast by Lactobacillus sp. Am. J. Enol. Vitic. 50:204-210.
  • Delaquis, P., M. Cliff, M. King, B. Girard, J. Hall, & A.G. Reynolds. 2000. Effect of two commercial malo-lactic cultures on the chemical and sensory properties of Chancellor wines vinified with different yeasts and fermentation temperatures. Am. J. Enol. Vitic. 51:42-48.
  • Reynolds, A.G. 2000. Impact of trellis/training systems and cultural practices on production efficiency, fruit composition, and vine balance. Am. J. Enol. Vitic. 51:309-317.
  • Girard, B., D. Yuksel, M.A. Cliff, P. Delaquis, and A.G. Reynolds. 2001. Vinification effects on the sensory, colour, and GC profiles of Pinot noir wines from British Columbia. Food Res. International 34:483-499.
  • Reynolds, A.G. & D.A. Wardle. 2001. Evaluation of minimal pruning upon vine performance and berry composition of Chancellor. Am. J. Enol. Vitic. 52:45-48.
  • Reynolds, A.G. 2001. Rootstocks impact vine performance and fruit composition of grapes in British Columbia. HortTechnology 11(3):12-20.
  • Reynolds, A.G., M.A. Cliff, B. Girard, and T. Kopp. 2001. Influence of fermentation temperature on composition and sensory properties of Semillon and Shiraz wines. Am. J. Enol. Vitic. 52:235-240.
  • Reynolds, A.G., C.G. Edwards, M.A. Cliff, J. Thorngate, & C. Marr. 2001. Evaluation of yeast strains during fermentation of Riesling and Chenin blanc musts. Am. J. Enol. Vitic. 52:336-344.
  • Douglas, D., M.A. Cliff, and A.G. Reynolds. 2001. Canadian terroir: characterization of Riesling wines from the Niagara Peninsula. Food Res. Int. 34:559-563.
  • Reynolds, A.G., D.A. Wardle, M.A. Cliff, & M. King. 2004. Impact of training system and vine spacing on vine performance, berry composition, and wine sensory attributes of Seyval and Chancellor. Am. J. Enol. Vitic. 55:84-95.
  • Reynolds, A.G., D.A. Wardle, M.A. Cliff, & M. King. 2004. Impact of training system and vine spacing on vine performance, berry composition, and wine sensory attributes of Riesling. Am. J. Enol. Vitic. 55:96-103.
  • Reynolds, A.G., D.A. Wardle, M.A. Cliff, & M. King. 2004. Evaluation of winegrapes in British Columbia. Cultivars and selections from Germany and Hungary. HortTechnology 14:420-436.
  • Reynolds, A.G., D.A. Wardle, M.A. Cliff, & M. King. 2004. Evaluation of winegrapes in British Columbia. ‘Chardonnay’ and ‘Pinot noir’ clones. HortTechnology 14:594-602.
  • Reynolds, A.G., and C. de Savigny. 2004. Influence of girdling and gibberellic acid on yield components, fruit composition, and vestigial seed formation of Sovereign Coronation table grapes. HortScience 39:541-544.
  • Reynolds, A.G. 2005. Effects of canola and jojoba oil sprays on powdery mildew and bunch rot control in Auxerrois and Riesling grapevines. Small Fruits Review 4:49-72.
  • Schlosser, J.., A.G. Reynolds, M. King & M.A. Cliff. 2005. Canadian terroir: characterization of Chardonnay wines from the Niagara Peninsula. Food Res. Int. 38:11-18.
  • Pickering, G.J., J. Lin, R. Riesen, A.G. Reynolds, I. Brindle, and G. Soleas. 2004. Influence of Harmonia axyridis on the sensory properties of white and red wine. Am. J. Enol. Vitic. 55:153-159.
  • Kontkanen, D., D.L. Inglis, G.J. Pickering, and A.G. Reynolds. 2004. The effect of yeast inoculation rate, acclimatization and nutrient addition on icewine fermentation. Am. J. Enol. Vitic. 55:363-370.
  • Reynolds, A.G., W.D. Lowrey, and C. de Savigny. 2005. Influence of irrigation and fertigation on fruit composition, vine performance and water relations of Concord and Niagara grapevines. Am. J. Enol. Vitic. 56:110-128.
  • Kontkanen, D., A.G. Reynolds, M. King and M.A. Cliff. 2005. Canadian terroir: characterization of Bordeaux-style red wines from the Niagara Peninsula. Food Res. Int. 38:417-425.
  • Reynolds, A.G., A. Molek and C. de Savigny. 2005. Timing of shoot thinning in Vitis vinifera: Impacts on yield and fruit composition variables. Amer. J. Enol. Vitic. 56:343-356.
  • Reynolds, A.G., J. Roller, A. Forgione and C. de Savigny. 2006. Gibberellic acid and basal leaf removal: implications for fruit maturity, vestigial seed development and sensory attributes of Sovereign Coronation grapes. Amer. J. Enol. Vitic. 57:41-53.
  • Tate, D., A.G. Reynolds, and C. de Savigny. 2006. Modification of a rapid method for measuring beta-glycosidase activity in fermenting muscat musts. Amer. J. Enol. Vitic. 57:60-68.
  • Reynolds, A.G., P. Parchomchuk, R. Berard, A.P. Naylor, and E. Hogue. 2006. Gewurztraminer vines respond to length of water stress duration. International J. Fruit Science 5:75-94.
  • Reynolds, A.G., J.W. Schlosser, R. Power, R. Roberts, and C. de Savigny. 2007. Magnitude and interaction of viticultural and enological of effects. I. Impact of canopy management and yeast strain on sensory and chemical composition of Chardonnay musqué.  Amer. J. Enol. Vitic. 58:12-24.
  • Reynolds, A.G., J.W. Schlosser, D. Sorokowsky, R. Roberts, and C. de Savigny. 2007. Magnitude and interaction of viticultural and enological of effects. II. Relative impacts of cluster thinning and yeast strain on composition and sensory attributes of Chardonnay musqué.  Amer. J. Enol. Vitic. 58:25-41.
  • Reynolds, A.G., I. Senchuk, and C. de Savigny. 2007. Use of GPS and GIS for elucidation of the basis for terroir. Spatial variation in an Ontario Riesling vineyard. Amer. J. Enol. Vitic. 58:145-162.
  • Reynolds, A.G., W. Lowrey, L. Tomek, J. Hakimi, and C. de Savigny. 2007. Influence of irrigation on vine performance, fruit composition, and wine quality of Chardonnay in a cool, humid climate. Amer. J. Enol. Vitic. 58:217-228.
  • Kilmartin, P., A.G. Reynolds, V. Pagay, C. Nurgel, and R. Johnson. 2006. Polyphenol content and browning of Canadian ice wines. Int. J. Food, Agriculture and Environment 5:52-57.
  • Roberts, R., A.G. Reynolds, and C. de Savigny. 2007. Composition and wine sensory attributes of Chardonnay Musqué from different viticultural treatments: implications for a winegrape quality model. Int. J. Fruit Science 7(2):57-83.
  • Wiens, G. and A.G. Reynolds. 2008. Research Note. Efficacy testing of organic nutritional products for Niagara vineyards. Int. J. Fruit Science 8(1-2):125-144.
  • Reynolds, A.G., E.G. Pearson, C. de Savigny, J. Coventry, and J. Strommer. 2008. Interactions of vine age and reflective mulch upon berry, must and wine composition of five Vitis vinifera cultivars. Int. J. Fruit Sci. 7(4):85-119.
Dr. Andrew G. Reynolds

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