College of Agricultural Sciences

R. Contreras and Ranney, T. G., “Reproductive behavior of diploid and allotetraploid azaleodendrons”. 2006.

R. Contreras and McAninch, G., “Back from the ban: new Buddleja cultivars receive exemption under ODA amendment”, Digger, pp. 33-36, 2013.

A. Contreras, Curtin, C. D., and Varela, C., “Yeast population dynamics reveal a potential 'collaboration' between Metschnikowia pulcherrima and Saccharomyces uvarum for the production of reduced alcohol wines during Shiraz fermentation.”, Appl Microbiol Biotechnol, vol. 99, no. 4, pp. 1885-95, 2015.

R. Contreras and Friddle, M. W., “Fire blight resistance among interspecific and interploidy F1 hybrids of Cotoneaster”, Proc. 60th Ann. SNA Res. Conf. 60:XXX-XXX. 2015.

R. Contreras, Ranney, T. G., Milla-Lewis, S. R., and Yencho, G. C., “Investigating parentage and hybridity of three azaleodendrons using AFLP analysis”, HortSCience, vol. 42, no. 3, 2007.

R. Contreras, Ruter, J., and Knauft, D., “Flower, fruit, and petiole color of american beautyberry (Callicarpa americana L.) are controlled by a single gene with three alleles”, HortScience, vol. 49, no. 4, pp. 422-424, 2014.

R. Contreras, Ruter, J. M., Conner, J., Zeng, Y., and Ozias-Akins, P., “Interspecific hybridization in Tecoma Juss. (Bignoniaceae): Confirmation of hybridity using GISH and morphology”. 2011.

R. Contreras and Ruter, J. M., “Developing an evergreen, evergreen: Winter browning in Japanese cedar”, Amer. Conifer Soc. Quarterly J., vol. 27(1), pp. 19-23, 2010.

R. Contreras and Meneghelli, L., “In Vitro Chromosome Doubling of Prunus laurocerasus ‘Otto Luyken’ and ‘Schipkaensis’”, HortScience, vol. 51, no. 12, pp. 1463 - 1466, 2016.

R. Contreras, Ruter, J., and Schwartz, B. M., “Oryzalin-induced Tetraploidy in Cryptomeria japonica (Cupressaceae)”, HortScience, vol. 45, no. 2, 2010.

R. Contreras and Ruter, J. M., “Preliminary efforts to induce polyploidy in Cryptomeria japonica.”, Proc. 53rd Ann. SNA Res. Conf., vol. 53:159-161. 2008.

R. Contreras and Ruter, J. M., “Evaluation of Callicarpa spp. for ornamental potential”. 2008.

R. Contreras and Rinehart, T., “An express route to perfection”, Digger, pp. 47-50, 2012.

R. Contreras, Velez, J., and Golembiewsk, R., “Are Learning Styles, Study Habits, and Performance Correlated in Woody Plant Identification Students?”, HortTechnology, 2013.

R. Contreras, Ranney, T. G., and Tallury, S. P., “Reproductive behavior of diploid and allotetraploid Rhododendron L. ‘Fragrant Affinity’”, HortScience, vol. 42, no. 1, 2007.

R. Contreras and Meneghelli, L., “In Vitro Chromosome Doubling of Prunus laurocerasus ‘Otto Luyken’”. 2013.

R. Contreras and Ruter, J. M., “Callicarpa evaluation and breeding at The University of Georgia Tifton Campus”, Landscape Plant News, vol. 20(2), pp. 3-5, 2009.

R. Contreras and Ruter, J., “Genome Size Estimates and Chromosome Numbers of Callicarpa L. (Lamiaceae)”, HortScience, vol. 46, no. 4, 2011.

R. Contreras and Ruter, J. M., “Induced polyploidy in Japanese cedar”, Proc. 55th Ann. SNA Res. Conf., vol. 55:25-29. 2010.

R. Contreras and Ruter, J. M., “An oryzalin induced polyploidy from a hybrid of Hibiscus acetosella x H. radiatus(Malvaceae) exhibits reduced fertility and altered morphology”. 2009.

R. Contreras and Owen, J. S., “The Economy of Water”, Digger, pp. 139-144, 2011.

R. Contreras, Owen, J. S., Hanna, W., and Schwartz, B. M., “Evaluation of Seven Complex Pennisetum Hybrids for Container and Landscape Performance in the Pacific Northwestern United States”, HortTechnology, vol. 23, no. 4, 2013.

R. Contreras and Ranney, T. G., “New opportunities for breeding fragrant rhododendrons”, Journal of American Rhododendron Society, vol. 62, no. 4, 2008.

R. Contreras and Ranney, T. G., “New opportunities for breeding allopolyploid azaleodendrons”, Proc. 49th Ann. SNA Res. Conf., vol. 49:552-554. 2004.

R. Contreras, “A Simple Chromosome Doubling Technique Is Effective for Three Species of Cupressaceae”, HortScience, vol. 47, no. 6, pp. 712-714, 2012.