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Found 73 results
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Ryan Contreras
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Journal Article
J. J. Rothleutner
,
Friddle, M. W.
, and
Contreras, R.
,
“
Ploidy Levels, Relative Genome Sizes, and Base Pair Composition in Cotoneaster
”
,
Journal of the American Society for Horticultural Science
, vol. 141, no. 5, pp. 457 - 466, 2016.
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.
J. J. Rothleutner
,
Contreras, R.
,
Stockwell, V.
, and
Owen, J. S.
,
“
Screening Cotoneaster for Resistance to Fire Blight by Artificial Inoculation
”
,
HortScience
, vol. 49, no. 12, 2014.
R. Contreras
,
“
A Simple Chromosome Doubling Technique Is Effective for Three Species of Cupressaceae
”
,
HortScience
, vol. 47, no. 6, pp. 712-714, 2012.
R. Contreras
and
Ruter, J.
,
“
Sulfuric acid scarification of Callicarpa americana L. (Lamiaceae) seeds improves germination
”
,
Native Plants Journal
, vol. 10, no. 3, 2009.
J. D. Lattier
,
Chen, H.
, and
Contreras, R.
,
“
Variation in genome size, ploidy, stomata, and rDNA signals in althea (Hibiscus syriacus L.)
”
,
Hort. Res.
, Submitted.
E. Tomasino
and
Contreras, R.
,
“
Volatile analysis of three Philadelphus L. parents and resulting progeny.
”
,
HortScience
, Submitted.
Presentation
R. Contreras
,
“
Breeding methods to reduce the invasive potential of nursery crops
”
. 2010.
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.
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
and
Ruter, J. M.
,
“
Evaluation of Callicarpa spp. for ornamental potential
”
. 2008.
R. Contreras
and
Ruter, J. M.
,
“
Fruit color in American beautyberry is controlled by a single gene
”
. 2010.
J. J. Rothleutner
and
Contreras, R.
,
“
Genome size estimates for Cotoneaster spp.
”
. 2011.
B. M. Schwartz
,
Contreras, R.
,
Harris-Schultz, K. R.
, and
Raymer, P. L.
,
“
Identification or Creation of a Putative Triploid Seashore Paspalum
”
. 2012.
R. Contreras
and
Meneghelli, L.
,
“
In Vitro Chromosome Doubling of Prunus laurocerasus ‘Otto Luyken’
”
. 2013.
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.
B. M. Schwartz
,
Contreras, R.
, and
Hanna, W. W.
,
“
Manipulating the Chromosome Number of Zoysiagrass
”
. 2013.
K. Shearer-Lattier
and
Contreras, R.
,
“
Non-targeted mutagenesis of Galtonia candicans by exposing seeds to EMS
”
. 2014.
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.
T. Einhorn
,
Gibeaut, D.
,
Contreras, R.
, and
Whiting, M. David
,
“
Polyploidy of cells in sweet cherry fruit
”
. 2012.
R. Contreras
and
Ranney, T. G.
,
“
Reproductive behavior of diploid and allotetraploid azaleodendrons
”
. 2006.
J. J. Rothleutner
and
Contreras, R.
,
“
Variable Fire Blight Resistance Among 31 species of Cotoneaster
”
. 2012.
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