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More Publications


Journal publications

  • Percival, D.C., D.M. Murray, and D.E. Stevens. 2003. Drought stress dynamics of the wild blueberry (Vaccinium angustifolium Ait.). ActaHort. 618:353-362.
  • Percival, D.C., D. E. Stevens, and D.E. Janes. 2003. Impact of multiple fertilizer applications on the growth, development and yield of the wild blueberry (Vaccinium angustifolium Ait.). Acta Hort. In-Press.
  • Percival, D.C., J.P. PrivĂ©, L.J. Eaton, and D. Stevens. 2002. Use of windbreaks in lowbush blueberry production (Vaccinium angustifolium Ait.) production. Acta Horticulturae. 574:309-316.
  • Percival, D.C., and J.P. PrivĂ©. 2002. Nitrogen formulation influences plant nutrition and yield components of lowbush blueberry (Vaccinium angustifolium Ait.). Acta Horticulturae. 574.301-311.
  • Percival, D.C., N. Crowe, and D.E. Stevens. 2002. Reduction in anthocyanin leakage from individual
    quick frozen lowbush blueberries through the use of edible coatings. Acta Horticulturae. 574:139-145.
  • Percival, D.C., J.T.A. Proctor, and J.A. Sullivan. 2001. Establishment of three primocane-fruiting raspberry cultivars. J. Amer. Pom. Soc. 55(2):84-89.
  • Hainstock, L.J., D.C. Percival, J.P. PrivĂ©, N. Crowe. 2000. Getting back to basics. Carbon assimilation and allocation in wild blueberry plants (Vaccinium angustifolium Ait.). Proceedings of the International Conference on Berry Plants in Boreal Forests. 49-54.
  • Gallant, T.L., D.C. Percival, J.R. Kemp, and A.R. Olson. 2000. Intra- and interclonal pollination affects fruit set and berry weight of the lowbush blueberry (Vaccinium angustifolium Ait.) in Eastern Canada. Proceedings of the International Conference on Berry Plants in Boreal Forests. 135-140.
  • Glass, V.M. and D.C. Percival. 2000. Challenges facing the pollination and fertilization of the lowbush blueberry. Fruit Var. Journal. 54(1):44-47. (Note: This paper placed second in the graduate student paper competition of the American Pomological Society).
  • Proctor, J.T.A., D.C. Percival, and D.G. Louttit. 1999. The effect of flower removal on root yield of American ginseng. HortScience 34: 82-84.
  • Percival, D.C. 1998. Carbon, nutrient, and water dynamics of lowbush blueberry. Metsanduslikud Uurimused. 123-127.

Upcoming papers

  • D. Percival and J. Burnham. 2004. Levels of Anthocyanin, Proanthocyanidin, Flavonol, and Hydroxycinnamic Acid in Vaccinium angustifolium Ait. cv. ‘Fundy.’ ActaHorticulturae. In-Press.
  • D. Percival and J. Burnham. 2004. Impact of the mycorrhizal association and soil-applied nitrogen and phosphorous on the lowbush blueberry (Vaccinium angustifolium Ait.). ActaHorticulturae. In-Press.
  • Glass, V.M., D.C. Percival, and J.T.A. Proctor. 2003. Tolerance of lowbush blueberries to drought stress in both sprout and cropping phases of production. I. Yield and yield component analysis. Can. J. Plant Sci. In press.
  • Glass, V.M., D.C. Percival, and J.T.A. Proctor. 2003. Tolerance of lowbush blueberries to drought stress in both sprout and cropping phases of production. II. Leaf gas exchange, stem water potential and dry matter partitioning. Submitted to the Can. J. Plant Sci.

Selected non-refereed contributions

  • Percival, D. (presenter and lead investigator), and J. Burnham. 2004. Levels of anthocyanin, proanthocyanidin, flavonol, and hydroxycinnamic Acid in Vaccinium angustifolium Ait. cv. ‘Fundy.’ International Society for Horticultural Science Vaccinium Congress Meeting. Poster Contribtion. May 3, 2004.
  • Percival, D. (presenter and lead investigator), and J. Burnham. 2004. Impact of the mycorrhizal association and soil-applied nitrogen and phosphorous on the lowbush blueberry (Vaccinium angustifolium Ait.). International Society for Horticultural Science Vaccinium Congress Meeting. Oral Contribtion. May 3, 2004.
  • Percival, D. (presenter and lead investigator), and J. Burnham. 2004. Nutrient Management Practices for Wild Blueberries. Presentation to the 2004 Annual Prince Edward Island Blueberry Growers Association. April 24, 2004. Oral contribution and proceedings.
  • Percival, D. (presenter and lead investigator), and J. Burnham. 2004. Nutrient Management Practices for Wild Blueberries. Presentation to the Wild Blueberry Producers Association of Nova Scotia. April 15 and 16, 2004. Oral contribution.
  • Snow, A. (presenter) and D. Percival. 2004. Assessing the use of nondestructive nutrient assessment technologies for wild blueberry production. Presentation at the Annual Nova Scotia Agricultural College Research Day. April 8, 2004. Oral contribution.
  • Percival, D.C. (presenter and lead investigator). 2004. Influence of cultural management practices on the berry composition of lowbush blueberries. Presentation to the Wild Blueberry Producers Association of Nova Scotia. March 20, 2004. Oral contribution.
  • Percival, D. (presenter and lead investigator), J.P.PrivĂ©, and J. Burnham. 2004. Influence of nitrogen, phosphorous and potassium on the nutrition, growth, development and yield of wild blueberries. Presentation to the Hort New Brunswick Annual Meeting. March 9, 2004. Oral contribution.
  • Percival, D. (lead investigator) and J. Burnham. 2004. Nutrient and weed management strategies for organic wild blueberry production. Organic Research Council of Canada Research Meeting. Meeting. Jan. 2004. Poster contribution.
  • Percival, D.(presenter and lead investigator) and J.P. PrivĂ©. 2003. Nitrogen, phosphorous, and potassium applications affect growth, development, yield and composition of lowbush blueberry. Presentation to the American Society for Horticultural Science. October 4, 2003. Poster contribution.
  • Murray, A. (presenter) and D. Percival (lead investigator). 2003. Impact of drought stress on wild blueberry production. Presentation at the Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Nov. 22, 2003. Oral contribution.
  • Snow, A. (presenter) and D. Percival (lead investigator). 2003. Nondestructive nutrient assessment technologies for wild blueberry production. Presentation at the Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Nov. 22, 2003. Oral contribution.
  • Janes, A. (presenter) and D. Percival (lead investigator). 2003. Floral bud dynamics of the wild blueberry. Presentation at the Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Nov. 22, 2003. Oral contribution.
  • Percival, D.(presenter and lead investigator) and J.P. PrivĂ©. 2003. Nitrogen, phosphorous, and potassium applications affect growth, development, yield and composition of lowbush blueberry. HortScience 38(5):809 (accompanying abstract).
  • Murray, A. (presenter) and D. Percival (lead investigator). 2003. Drought assessment and management in wild blueberry production. Presentation to the American Society for Horticultural Science. October 4, 2003. Poster contribution.
  • Percival, D.(presenter and lead investigator) and J.P. PrivĂ©. 2003. Nitrogen, phosphorous, and potassium applications affect growth, development, yield and composition of lowbush blueberry. North American Wild Blueberry Research and Extension Meeting. Moncton, New Brunswick.
  • Murray, A. (presenter) and D. Percival (lead investigator). 2003. Influence of drought stress on the physiology, growth, development, and yield of the wild blueberry. Annual Field Day of the Wild Blueberry Producers Association of Nova Scotia. July 2002. Oral contribution.
  • Percival, D. (Lead investigator). 2003. Impact of different nitrogen formulations on the leaf nutrition, growth, development and yield of the wild blueberry. Annual Field Day of the Wild Blueberry Producers Association of Nova Scotia. July 2002. Oral contribution.
  • Percival, D. (Lead investigator). 2003. Influence of leaf blight on the growth and development of the wild blueberry. Annual Field Day of the Wild Blueberry Producers Association of Nova Scotia. July 2002. Oral contribution.
  • Murray, A. (presenter) and D. Percival (lead investigator). 2003. Drought assessment technologies for wild blueberry production. North American Wild Blueberry Research and Extension Meeting. March 2003. Moncton, New Brunswick.
  • Janes, D. (presenter) and D. Percival (lead investigator). 2003. Late season fertilizer applications for the wild blueberry. North American Wild Blueberry Research and Extension Meeting. Moncton, New Brunswick. March 2003. Oral contribution.
  • Snow, A. (presenter) and D. Percival (lead investigator). 2003. Nutrient assessment technologies for the wild blueberry. North American Wild Blueberry Research and Extension Meeting. Moncton, New Brunswick. March 2003. Oral contribution.
  • Devanney, M. (presenter) and D. Percival (lead investigator), and J. Tait. 2002. Use of parallel tracking system in wild blueberry production. Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Truro, Nova Scotia. Nov. 2002. Oral contribution.
  • Janes, D.E., (presenter) D.C. Percival (lead investigator), J.P. PrivĂ© and R. Robinson. 2002. Influence of soil- and foliar-applied nitrogen on growth development and yield of wild blueberry. Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Truro, Nova Scotia. Nov. 2002. Oral contribution.
  • Jeliazkova, E.A. (presenter), and D.C. Percival (lead investigator). 2002. N and P fertilizers, some growth variables, and mycorrhizae in wild blueberry (Vaccinium angustifolium Ait.). Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Truro, Nova Scotia. Nov. 2002. Poster contribution.
  • Percival, D.C. (lead investigator), D. E. Stevens, and D.E. Janes (presenter). 2002. Impact of multiple fertilizer applications on the growth, development and yield of the wild blueberry (Vaccinium angustifolium Ait.). Oral contribution.
  • Jeliazkova, E.A.(presenter), and D.C. Percival (lead investigator). 2002. Some growth variables, N and P fertilizers, and mycorrhizae in wild blueberry (Vaccinium angustifolium Ait.). International Society for Horticultural Science HortCongress Meeting, Toronto, Aug. 2002. Poster contribution..
  • Percival, D.C. (presenter and lead investigator) and K.R. Sanderson. 2002. Main and interactive
    effects of cropping year applications of nitrogen, phosphorous and potassium fertilizer. Wild Blueberry Extension and Researchers Annual Meeting, Portland, Maine. March 2002. Oral contribution.
  • Percival, D.C.(presenter and lead investigator) and J.P. PrivĂ©. 2001. Drought stress dynamics of the wild blueberry. Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Truro, Nova Scotia. Nov. 2001. Oral contribution.
  • Jeliazkova, E.(presenter) and D. Percival (lead investigator). 2001. Influence of drought stress on the mycorrhizal association of the wild blueberry. Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Truro, Nova Scotia. Nov. 2001. Poster contribution.
  • Burgess, P.M. (presenter), D. Percival (lead investigator), G. Sampson, and K. Jensen. 2001. Vegetation management strategies for wild blueberry production. Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Truro, Nova Scotia. Nov. 2001. Poster contribution.
  • Percival, D.C. (lead investigator), A. Murray (presenter), and D. Stevens. 2001. Drought stress dynamics of the wild blueberry (Vaccinium angustifolium Ait.). Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2001, Truro, Nova Scotia.
  • Janes, D. (presenter), D. Percival (lead investigator), J.P. PrivĂ©, R. Robinson, and K. Sanderson. 2001. Impact of multiple fertilizer applications on plant growth, development, and yield of wild blueberry (Vaccinium angustifolium Ait.). Poster presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2001, Truro, Nova Scotia.
  • Percival, D.C. (presenter and lead investigator), D. Stevens, and J.P. PrivĂ©. 2001. Main and interactive effects of cropping-year applications of nitrogen, phosphorous, and potassium fertilizers on the yield components of the lowbush blueberry. Poster presentation: Annual Meeting of the American Society for Horticultural Science. July 2001. Sacramento, Califormia [HortScience 36(3):594].
  • Stevens. D.E. (presenter), and D.C. Percival (lead investigator). 2001. Edible films reduce anthocyanin exudation from indivual quick frozen lowbush blueberries. Poster presentation: Annual Meeting of the American Society for Horticultural Science, Sacramento, Califormia [HortScience 36(3):594].
  • Percival, D.C.(presenter and lead investigator). 2001. Cropping year applications of nitrogen, phosphorous, and potassium enhance harvestable yield, berry size, and berry firmness of wild blueberries. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 2001. Halifax, Nova Scotia.
  • Burgess, P. (presenter), D. Percival (lead investigator), and G. Sampson. 2001. Sub-lethal herbicide applications influence soil moisture, light distributions, and the growth, development, and yield of wild blueberries. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 2001. Halifax, Nova Scotia.
  • Percival, D.C. (presenter and lead investigator) 2001. Carbon, nutrient, and water dynamics f the wild blueberry. Invited speaker and oral contribution: University of Oulu. Feb. 2001. Oulu Finland.
  • Percival, D.C. (presenter and lead investigator) 2001. Preparation and establishment of the lowbush blueberry. Invited speaker and oral contribution: Estonian Agricultural University. Feb. 2001. Tartu, Estonia.
  • Burgess, P. (presenter), D. Percival (lead investigator), and G. Sampson. 2001. Use of sub-lethal herbicide doses to suppress introduced and native grasses in lowbush blueberry. Oral contribution and proceedings of the American Society for Horticultural Science Northeast Annual Meeting. Jan. 2001. Cambridge, Massachusetts.
  • Jordan, B. (presenter), D. Percival (lead investigator), G. Brewster, and G. Patterson. 2001. Environmental and growth dynamic changes that occur in wild blueberry production through the use of living mulches. Oral contribution and proceedings of the American Society for Horticultural Science Northeast Annual Meeting. Jan. 2001. Cambridge, Massachusetts.
  • Burgess, P. (presenter), D. Percival (lead investigator), and G. Sampson. 2000. Suppression of living mulches in lowbush blueberry. Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2000. Truro, Nova Scotia.
  • Dryden, A. (presenter), D. Percival (lead investigator), and G. Stratton. 2000. Does acid rain have a direct and indirect impact on the growth and development of the lowbush blueberry? Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2000. Truro, N.S.
  • Gallant, T. (presenter), D. Percival (lead investigator), and J. Kemp. 2000. Examining pollinator preference between five clones of the lowbush blueberry (Vaccinium angustifolium Ait.) under field conditions. Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2000. Truro, Nova Scotia.
  • Hainstock, L. J. (presenter), D. Percival (lead investigator), J.P. PrivĂ©, and N. Crowe. 2000. Seasonal photochemical and growth dynamics of the lowbush blueberry. Oral contribution and proceedings of the Annual Meeting of WBPANS. Nov. 2000. Truro, Nova Scotia.
  • Jeliazkova, E. (presenter), and D. Percival (lead investigator). 2000. Assessment of the mycorrhizal associations in the lowbush blueberry root system. Poster presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2000. Truro, Nova Scotia.
  • Jordan, B. (presenter), D. Percival (lead investigator), G. Brewster, and G. Patterson. 2000. Impact of living mulches on the environment and growth dynamics of the lowbush blueberry. Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2000. Truro, Nova Scotia.
  • Percival, D. (presenter and lead investigator), and D. Stevens. 2000. Multiple fertilizer applications enhance the growth, development, and yield of the lowbush blueberry. Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 2000. Truro, Nova Scotia.
  • Burgess, P. (presenter), D. Percival (lead investigator), and G. Sampson. 2000. Suppression of living mulches in lowbush blueberry. Poster contribution: Atlantic Agricultural Science and Technology Workshop. Oct. 2000. Truro, Nova Scotia.
  • Hainstock, L. J. (presenter and lead investigator), D. Percival, J.P. PrivĂ©, and N. Crowe. Seasonal photochemical and growth dynamics of the lowbush blueberry. Poster contribution: Atlantic Agricultural Science and Technology Workshop. October 27, 2000. Truro, Nova Scotia.
  • Jordan, B. (presenter), D. Percival (investigator), G. Brewster, and G. Patterson. 2000. Impact of living mulches on the environment and growth dynamics of the lowbush blueberry. Poster contribution: Atlantic Agricultural Science and Technology Workshop. Oct. 2000. Truro, Nova Scotia.
  • Hainstock, L. J. (presenter) and D. C. Percival. Environmental regulation of plant growth. Presentation to the Research Highlights Section of the Nova Scotia Agricultural College 2000 Homecoming Activities. Oct. 2000. Truro, Nova Scotia.
  • Burgess, P. (presenter), G. Sampson, and D. Percival (lead investigator). 2000. Investigating the effects of herbicides on introduced living mulches used for erosion control in lowbush blueberries. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 2000. Charlottetown, P.E.I.
  • Dryden, A. (presenter), D. Percival (lead investigator), and G. Stratton. 2000. Impact of simulated acid rain on photochemistry, morphology, and yield components of the lowbush blueberry. Poster contribution and proceedings of the North American WBREW Annual Meeting. March 2000. Charlottetown, P.E.I.
  • Hainstock, L. J. (presenter), D. Percival (lead investigator), J.P. PrivĂ©, and N. Crowe. 2000. Getting back to basics: Carbon assimilation and allocation of wild blueberries. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 23 & 24, 2000. Charlottetown, P.E.I.
  • Percival, D. (presenter and lead investigator) and D. Stevens. 2000. Influence of nitrogen source and application date on the leaf nutrition, yield components, and harvestable yield of wild blueberries. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 2000. Charlottetown, PEI.
  • Percival, D.(presenter and lead investigator) and B. Jordan. 2000. Dealing with soil degradation - vegetation management/living mulches. Oral contribution and proceedings of the Scotia Horticultural Congress 2000. Jan. 2000. Dartmouth, Nova Scotia.
  • Gallant, T. (presenter), D. Percival (lead investigator), and J. Kemp. 1999. Pollination and fertilization of wild blueberry production. Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 1999. Truro, Nova Scotia.
  • Percival, D. (presenter and lead investigator), and D. Stevens. 1999. Nitrogen formulation and timing influences leaf nutrition and yield of wild blueberry. Annual Meeting of the Wild Blueberry Producers Association of Nova Scotia. Nov. 1999. Truro, Nova Scotia.
  • Jordan, B. (presenter), D. Percival (lead investigator), G. Patterson, and G. Brewster. 1999. Living mulches reduce soil erosion in wild blueberry fields. Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 1999. Truro, Nova Scotia.
  • Glass, V. (presenter), D. Percival (lead investigator), J.T.A. Proctor, J.P. PrivĂ©, and R. Olson. 1999. Does water status influence photosynthesis and yield components of lowbush blueberry. Oral presentation and proceedings of the Annual Meeting of WBPANS. Nov. 1999. Truro, Nova Scotia.
  • Hainstock, L. (presenter), D. Percival (lead investigator), J.P. PrivĂ©, and N. Crowe. 1999. Getting back to basics: carbon assimilation and allocation of the wild blueberry. Poster presentation and proceedings of the Annual Meeting of WBPANS. Nov. 1999. Truro, Nova Scotia.
  • Burgess, P. (presenter), G. Sampson, and D. Percival (lead investigator). 1999. Suppression and control of introduced living mulches. Poster presentation and proceedings of the Annual Meeting of WBPANS. Nov. 1999. Truro, Nova Scotia.
  • Glass, V. (presenter), D. Percival (lead investigator), R. Gordon, and P. Hicklenton. 1999. Supplementary irrigation and drought stress influences leaf gas exchange, growth and development of wild blueberries. Oral contribution at the Annual Meeting of the Canadian Society for Horticultural Science (CSHS). Aug. 1999. Charlottetown, PEI.
  • Gallant, T. (presenter), D. Percival (lead investigator), and J. Kemp. Challenges in the pollination of wild blueberries. Oral contribution at the Ann. Meet. of the CSHS. Aug. 1999. Charlottetown, PEI.
    Percival., D. (lead investigator), and D. Stevens. 1999. Nitrogen formulation and application date influences growth, development, and yield of wild blueberry. Oral contribution at the Ann. Meet. of the CSHS. Aug. 1999. Charlottetown, PEI.
  • Percival, D. (presenter and lead investigator), D. Stevens, and G. Patterson. 1999. Companion cropping of wild blueberries. Poster contribution at the Ann. Meet. of the American Society for Horticultural Science (ASHS). July 1999. Minneapolis, USA.
  • Glass, V. (presenter), D. Percival (lead investigator), R. Gordon, and P. Hicklenton. 1999. Does water availability influence gas exchange and growth and development of wild blueberries. Poster contribution of the Ann. Meeting of ASHS. July 1999. Minneapolis, USA.
  • Percival, D. (presenter and lead investigator), D. Stevens, G. Sampson, and K. Jensen. 1999. Use of living mulches in wild blueberry production. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 1999. Bangor, USA.
  • Perrin, G. (presenter), D. Percival (lead investigator), H. Ju, and K, Sanderson. 1999. The influence of foliar-applied boron, phosphorous, and magnesium on the yield components of wild blueberries Oral contribution and proceedings of the North American WBREW Annual Meeting. March 1999. Bangor, USA.
  • Percival, D. (presenter and lead investigator), D. Stevens, G. Sampson, and K. Jensen. 1999. Companion cropping of lowbush blueberries. Oral contribution and proceedings of the Ann. Meet. of the north-eastern region of the ASHS. Jan. 1999. Boston, MA.
  • Glass, V. (presenter), D. Percival (lead investigator), R. Gordon, and P. Hicklenton. 1998. The influence of supplementary irrigation and drought stress on leaf gas exchange and growth and development of wild blueberries. Oral contribution and proceedings of the Annual Meeting of WBPANS. Nov. 1998. Truro, Nova Scotia.
  • Percival, D. (presenter and lead investigator), P. O’Laughlin, and D. Stevens. 1998. The use of edible coatings to reduce exudation from wild blueberries. Poster contribution and proceedings of the Annual Meeting of WBPANS. Nov. 1998. Truro, Nova Scotia.
  • Percival, D. (presenter and lead investigator), D. Stevens, G. Sampson, and K. Jensen. 1998. Vegetation management of wild blueberries - the reality check. Oral contribution at the Annual Meeting of WBPANS. Nov. 1998. Truro, Nova Scotia.
  • Perrin, G. (presenter), D. Percival (lead investigator), H. Ju, and K, Sanderson. 1998. Foliar-applied nutrient use in wild blueberry production. Oral contribution and proceedings of the Annual Meeting of WBPANS. Nov. 1998. Truro, Nova Scotia.
  • Glass, V. (presenter), D. Percival (lead investigator), R. Gordon, and P. Hicklenton. 1998. Water availability affects leaf gas exchange and growth and development of wild blueberries. Poster contribution at the Atlantic Agricultural Sciences and Technology Workshop (AAST), Oct. 1998. Truro, Nova Scotia.
  • Perrin, G. (presenter), D. Percival (lead investigator), H. Ju, and K, Sanderson. 1998. Foliar-applied nutrients influence the yield components of wild blueberries. Poster contribution at the AAST Workshop. Oct. 1998. Truro, Nova Scotia.
  • Percival, D.C. (presenter and lead investigator) 1998. Carbon, nutrient, and water dynamics of lowbush blueberries. Oral contribution at the International conference on wild berry culture. August 1998. Tartu, Estonia.
  • Percival, D.C. (presenter and lead investigator) 1998. Growth dynamics of the lowbush blueberry. Horticulture Research International. May 1998. East Malling UK.
  • Percival, D.C. (presenter and lead investigator) 1998. Vegetation management and pollination of lowbush blueberries. WBPANS Field Day. July 1998. Debert, Nova Scotia.
  • Glass, V. (presenter) and D.C. Percival (lead investigator), 1998. Influence of water status on the physiology of the lowbush blueberry. WBPANS Field Day. July 1998. Debert, Nova Scotia.
  • Perrin, G. (presenter) and D.C. Percival (lead investigator), 1998. Foliar-applied nutrient use in wild blueberry production. WBPANS Field Day. July 1998. Debert, Nova Scotia.
  • Percival, D. (presenter and lead investigator). 1998. Lowbush blueberry production in Atlantic Canada: the past, present, and challenges facing the future. Estonia Agricultural College, April 1998 (part of CIDA exchange program). Tartu, Estonia.
  • Percival, D., (presenter and lead investigator) L. Eaton, and D. Stevens. 1998. Windshelter use in lowbush blueberry production systems. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 1998. Halifax, Nova Scotia.
  • Glass, V., (presenter) D. Percival (lead investigator), R. Gordon, and P. Hicklenton. 1998. The influence of drought stress on the lowbush blueberry. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 1998. Halifax, Nova Scotia.
  • Perrin, G., (presenter) D. Percival (lead investigator), H. Ju, and K. Sanderson. 1998. Influence of foliar-applied nutrients in lowbush blueberry production. Oral contribution and proceedings of the North American WBREW Annual Meeting. March 1998. Halifax, Nova Scotia.