Research Publications
Natvig, E.E., S.C. Ingham, B.H. Ingham, L.R. Cooperband, and T.R. Roper. 2002. Salmonella enterica of root and leaf vegetables grown in soils with incorporated bovine manure. App. & Env. Microbiology. 68:2737-2744.
Hanson, E., C. DeMoranville, B. Little, D. McArthur, J. Painchaud, K. Patten, T. Roper, N. Vorsa, and D. Yarborough. 2000. Chemical characteristics of water used for cranberry production. HortTechnology 10:603-607
Perry, R., G. Lang. and others. 1998. Performance of the NC-140 cherry rootstock trials in North America. Acta Hort. 468:291-296
NC-140. 1996. Performance of the NC-140 cooperative apple rootstock planting: I. Survival, tree size, yield and fruit size. Fruit Var. J. 50:6-10
NC-140. 1996. Performance of the NC-140 cooperative apple rootstock planting: II. A 10-year summary of TCA, yield and yield efficiency at 31 sites. Fruit Var. J. 50:11-17
NC-140. 1996. Horticultural characterstics of ‘Starkspur Supreme Delicious’ apple on 15 rootstocks at 24 sites. Fruit Var. J. 50:18-24.
Jesse, E. W.E. Saupe, E.J. Stang and T.R. Roper 1993. The economic impact of the Wisconsin cranberry industry. CALS, UW-Madison. 35 pp.
Roper, T.R., E.J. Stang, and G.M. Hawker. 1992. Early season leaf removal reduces fruit set and size in cranberry. HortScience 27:75.
Roper, T.R, K.D. Patten, C.J. DeMoranville, B.C. Strik, and A.P. Poole. 1993. Fruiting reduced fruit set the following year in cranberry uprights. HortScience 28:228.
NC-140. 1991. Performance of 'Starkspur Supreme Delicious' apple on 9 rootstocks over 10 years in the NC-140 cooperative planting. Fruit Var. J. 45:192-199
NC-140. 1991. Performance of 'Starkspur Supreme Delicious' on 9 rootstocks at 27 sites over 10 years. Fruit Var. J. 45:200-207.
Roper, T.R. 1991. Is water really essential to commercial cranberry culture? National symposium on altered, artificial and managed wetlands with special emphasis on agricultural wetlands. Association of state wetland managers. (in Press)
Strik, B.C., T.R. Roper, C.J. DeMoranville, J.R. Davenport and A.P. Poole. 1990. Cultivar and growing region influence return bloom in cranberry uprights. HortScience 26:1366-1367.
NC-140. 1990. Early performance of 'Starkspur Supreme Delicious' on 16 rootstocks in the NC-140 cooperative planting. Fruit Varieties J. 44:225-235.
Roper, T.R. 1991. Leaf area and fruiting efficiency of large and small fruited cranberry cultivars. Fruit Var. J. 45:56-59.
Roper, T.R., and L.E. Williams. 1988. Net CO2 assimilation and carbohydrate partitioning of grapevine leaves in response to trunk girdling and gibberellic acid (GA3) application. Plant Physiol. 89:1136-1140.
Roper, T.R. and L.E. Williams. 1989. Effects of ambient and acute partial pressures of ozone on leaf net CO2 assimilation of field grown Vitis vinifera L. Plant Physiol. 91:1501-1506.
Roper, T.R., J. Keller, W.H. Loescher, and C.R. Rom. 1987. Photosynthesis and carbohydrate partitioning in sweet cherry: Fruiting effects. Physiol. Plant. 72:42-47.
Roper, T.R. and C.R. Rom. 1990. 'Bing' sweet cherry. Fruit Varieties Journal 44:106-108.
Roper, T.R., and W.H. Loescher. 1987. Relationships between leaf area per fruit and fruit quality in 'Bing' sweet cherry. HortScience 22:1273-1276.
Roper, T.R., J. Keller, W.H. Loescher and C.R. Rom. 1986. Seasonal and diurnal changes in photosynthesis and soluble carbohydrates in sweet cherry. pp. 24-29 in: Regulation of photosynthesis in fruit crops, Proceedings of an international workshop convened at Univ. of California, Davis. Aug 19-20, 1986.
Roper, T.R., D.J. Weber, and W.R. Andersen. 1985. Impact of etaconazole and benomyl on powdery mildew, leaf characteristics, growth and yield of 'Rome Beauty' apple trees. J. of Hort. Sci. 60:29-32.