Found 73 results
Author Title Type [ Year(Desc)]
Filters: Author is Ryan Contreras  [Clear All Filters]
2004
R. Contreras and Ranney, T. G., “New opportunities for breeding allopolyploid azaleodendrons”, Proc. 49th Ann. SNA Res. Conf., vol. 49:552-554. 2004.
2005
R. Contreras, Ranney, T. G., Tallury, S. P., and Milla-Lewis, S. R., “Using molecular markers to investigate parentage of azaleodendron hybrids.”, Proc. 50th Ann. SNA Res. Conf., vol. 50:632-635. 2005.
2006
R. Contreras and Ranney, T. G., “Reproductive behavior of diploid and allotetraploid azaleodendrons”. 2006.
2007
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 and Ruter, J. M., “New Callicarpa species with breeding potential”, Proc. 52nd Ann. SNA Res. Conf., vol. 52:327-329. 2007.
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.
2008
R. Contreras and Ruter, J. M., “Evaluation of Callicarpa spp. for ornamental potential”. 2008.
R. Contreras and Ruter, J. M., “Evaluation of Callicarpa spp. for utilization in a breeding program”, Georgia Green Industry Association Journal, pp. 32-33, 2008.
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 Ruter, J. M., “Preliminary efforts to induce polyploidy in Cryptomeria japonica.”, Proc. 53rd Ann. SNA Res. Conf., vol. 53:159-161. 2008.
2009
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. M., “An oryzalin induced polyploidy from a hybrid of Hibiscus acetosella x H. radiatus(Malvaceae) exhibits reduced fertility and altered morphology”. 2009.
R. Contreras, Ruter, J., and Hanna, W., “An Oryzalin-induced Autoallooctoploid of Hibiscus acetosella ‘Panama Red’”, Journal of American Horticultural Science, vol. 134, no. 5, 2009.
R. Contreras and Ruter, J., “Sulfuric acid scarification of Callicarpa americana L. (Lamiaceae) seeds improves germination”, Native Plants Journal, vol. 10, no. 3, 2009.
2010
R. Contreras, “Breeding methods to reduce the invasive potential of nursery crops”. 2010.
R. Contreras, “Bridging the gap: A new partnership between Oregon State University and LPDC designed to continue cultivar development.”, Landscape Plant News, 2010.
B. M. Schwartz, Harris, K., Contreras, R., and Hanna, W., “Colchicine-induced tetraploidy in centipedegrass”. 2010.
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 Ruter, J. M., “Fruit color in American beautyberry is controlled by a single gene”. 2010.
R. Contreras and Ruter, J. M., “Induced polyploidy in Japanese cedar”, Proc. 55th Ann. SNA Res. Conf., vol. 55:25-29. 2010.
R. Contreras, Ruter, J., and Schwartz, B. M., “Oryzalin-induced Tetraploidy in Cryptomeria japonica (Cupressaceae)”, HortScience, vol. 45, no. 2, 2010.
2011
R. Contreras, “Bred for success”, Digger, pp. 41-45, 2011.
D. Gibeaut, Contreras, R., Einhorn, T., and Whiting, M. David, “Cropload affects the size, but not the number or polyploidy of cells in sweet cherry fruit.”. 2011.
R. Contreras, Determann, R., and Friddle, M. W., “Differences in Winter Browning among Japanese-cedar Cultivars Are Not Due to Variation in Ploidy Levels”, HortScience, vol. 46, no. 11, 2011.
R. Contreras and Owen, J. S., “The Economy of Water”, Digger, pp. 139-144, 2011.

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