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Found 73 results
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Ryan Contreras
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A
R. Contreras
,
Velez, J.
, and
Golembiewsk, R.
,
“
Are Learning Styles, Study Habits, and Performance Correlated in Woody Plant Identification Students?
”
,
HortTechnology
, 2013.
B
R. Contreras
and
McAninch, G.
,
“
Back from the ban: new Buddleja cultivars receive exemption under ODA amendment
”
,
Digger
, pp. 33-36, 2013.
R. Contreras
,
“
Bred for success
”
,
Digger
, pp. 41-45, 2011.
R. Contreras
,
Rothleutner, J. J.
, and
Stockwell, V.
,
“
Breeding for fire blight resistance and sterility in Cotoneaster
”
,
Proceedings of the 13th International Workshop on Fire Blight. Acta Hort
, vol. 1056:221-223. 2014.
R. Contreras
,
“
Breeding methods to reduce the invasive potential of nursery crops
”
. 2010.
R. Contreras
and
Horn, M.
,
“
Breeding to improve garden performance of Penstemon in the Willamette Valley: early stages
”
,
Bulletin of the American Pestemon Society
, vol. 73, pp. 68-72, 2014.
R. Contreras
,
“
Bridging the gap: A new partnership between Oregon State University and LPDC designed to continue cultivar development.
”
,
Landscape Plant News
, 2010.
C
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.
J. J. Rothleutner
and
Contreras, R.
,
“
Celebrating Cotoneaster
”
,
Digger
, pp. 33-36, 2012.
K. S. lattier
and
Contreras, R.
,
“
Chemical mutagenesis of Galtonia candicans Decne. results in altered morphology and reduced fertility
”
,
Proc. 60th Ann. SNA Res. Conf. 60:XXX-XXX
. 2015.
R. Contreras
,
Ruter, J.
,
Owen, J. S.
, and
Hoegh, A.
,
“
Chlorophyll, Carotenoid, and Visual Color Rating of Japanese-cedar Grown in the Southeastern United States
”
,
HORTSCIENCE
, vol. 48, no. 12, 2013.
B. M. Schwartz
,
Harris, K.
,
Contreras, R.
, and
Hanna, W.
,
“
Colchicine-induced tetraploidy in centipedegrass
”
. 2010.
J. D. Lattier
and
Contreras, R.
,
“
Colorimetric phenotyping of tetraploid progeny exhibiting incomplete dominance for flower color.
”
. 2014.
J. A. Schulze
,
Contreras, R.
, and
Scagel, C. F.
,
“
Comparing Vegetative Propagation of Two ‘Schipkaensis’ Common Cherrylaurel Ploidy Levels
”
,
HortTechnology
, vol. 27, no. 1, pp. 69 - 72, 2017.
R. Contreras
,
Ruter, J. M.
,
Conner, J.
,
Zeng, Y.
, and
Ozias-Akins, P.
,
“
Confirmation of hybridity using GISH and determination of 18S rDNA copy number using FISH in interspecific F
1
hybrids of
Tecoma
(Bignoniaceae)
”
,
Genome
, vol. 55, no. 6, pp. 437 - 445, 2012.
B. M. Schwartz
,
Harris-Schultz, K. R.
,
Contreras, R.
, and
Hans, C. S.
,
“
Creation of artificial triploid and tetraploid centipedegrass using colchicine and breeding
”
,
Intl. Turfgrass Soc. Res. J.
, 2013.
B. M. Schwartz
,
Harris-Shultz, K. R.
,
Contreras, R.
,
Hans, C. S.
, and
Jackson, S. A.
,
“
Creation of Hexaploid and Octaploid Zoysiagrass Using Colchicine and Breeding
”
,
Crop Science
, vol. 53, no. 5, p. 2218, 2013.
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.
D
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
,
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.
B. M. Schwartz
,
Contreras, R.
,
Harris-Schultz, K. R.
,
Heckart, D. L.
,
Peake, J. B.
, and
Raymer, P. L.
,
“
Discovery and characterization of a turf-type triploid seashore paspalum
”
,
HortScience
, vol. 48, no. 12, 2013.
E
R. Contreras
and
Owen, J. S.
,
“
The Economy of Water
”
,
Digger
, pp. 139-144, 2011.
J. A. Schulze
and
Contreras, R.
,
“
Effect of ploidy level on vegetative propagation of two cytotypes of Prunus laurocerasus L. ‘Schipkaensis’.
”
,
Combined Proceedings of the International Plant Propagators' Society 65
. 2015.
C. Landgren
,
Owen, J. S.
, and
Contreras, R.
,
“
Evaluating Soil and Foliar Fertilization of
Abies nordmanniana
Under Container and Field Production
”
,
Scandinavian Journal of Forest Research
, vol. 28, no. 52, pp. 419 - 427, 2013.
R. Contreras
and
Ruter, J. M.
,
“
Evaluation of Callicarpa spp. for ornamental potential
”
. 2008.
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