Page Banner

United States Department of Agriculture

Agricultural Research Service

Related Topics

Christopher M Richards
Plant Germplasm Preservation Research
Genetics

Phone: (970) 492-7606
Fax: (970) 492-7605

1111 SOUTH MASON STREET
NCGRP
FORT COLLINS , CO 805214500
Projects
Innovations that Improve the Efficiency and Effectiveness of Managing and Preserving Ex Situ Plant Germplasm Collections
In-House Appropriated (D)
  Accession Number: 424585
Screening Wild Populations of Beta vulgaris ssp. maritima, an Important Genetic Resource for Enhancing Beet Production in the United States
Non-Funded Cooperative Agreement (N)
  Accession Number: 430921
Post-Harvest Phenotypic Evaluation of Landrace Accession of Jordanian Barley
Non-Assistance Cooperative Agreement (S)
  Accession Number: 427000

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Probabilistic viability calculations for cryopreserving vegetatively propagated collections in genebanks -
Volk, G.M., Henk, A.D., Jenderek, M.M., Richards, C.M. 2016. Probabilistic viability calculations for cryopreserving vegetatively propagated collections in genebanks. Genetic Resources and Crop Evolution. DOI 10.1007/S10722-016-0460-6.
Seeds capture the diversity of genetic resource collections of Malus sieversii maintained in an orchard -
Volk, G.M., Henk, A.D., Forsline, P.L., Szewc-Mcfadden, A.K., Fazio, G., Aldwinckle, H., Richards, C.M. 2016. Seeds capture the diversity of genetic resource collections of Malus sieversii maintained in an orchard. Genetic Resources and Crop Evolution. doi 10.1007/s10722-016-0450-8.
Conservation priorities for tree crop wild relatives in the United States -
Khoury, C.K., Greene, S.L., Williams, K.A., Sosa, C., Richards, C.M. 2016. Conservation priorities for tree crop wild relatives in the United States. Symposium Proceedings. Gene Conservation of Tree Species, Chicago, IL. May 16-19, 2016.
Genetic diversity of Malus cultivars and wild relatives in the Chinese National Repository of Apple Germplasm Resources Reprint Icon -
Gao, Y., Liu, F., Wang, K., Wang, D., Gong, X., Liu, L., Richards, C.M., Henk, A.D., Volk, G.M. 2015. Genetic diversity of Malus cultivars and wild relatives in the Chinese National Repository of Apple Germplasm Resources. Tree Genetics and Genomes. 11:106. doi:10.1007/s11295-015-0913-7.
Chloroplast heterogeneity and historical admixture within the genus Malus -
Volk, G.M., Henk, A.D., Baldo, A.M., Fazio, G., Chao, C.T., Richards, C.M. 2015. Chloroplast heterogeneity and historical admixture within the genus Malus. American Journal of Botany. 102(7):1198-1208. DOI: 10.3732/ajb.1500095.
Three types of rescue can avert extinction in a changing environment -
Hufbauer, R.A., Szucs, M., Kasyon, E., Youngberg, C., Koontz, M.J., Richards, C.M., Tuff, T., Melbourne, B.A. 2015. Three types of rescue can avert extinction in a changing environment. Proceedings of the National Academy of Sciences. 112(33):10557-10562.
Developing quantitative seed sampling protocols using simulations: A reply to comments from Guja et al. and Guerrant et al. -
Hoban, S., Strand, A., Fraga, N., Richards, C.M., Schlarbaum, S. 2015. Developing quantitative seed sampling protocols using simulations: A reply to comments from Guja et al. and Guerrant et al.. Biological Conservation. 184 469-470.
Genetic diversity in Malus × domestica (Rosaceae) through time in response to domestication -
Gross, B., Henk, A.D., Richards, C.M., Fazio, G., Volk, G.M. 2014. Genetic diversity in Malus × domestica (Rosaceae) through time in response to domestication. American Journal of Botany. 101(10):1770-1779. DOI: 10.3732/ajb.1400297.
Genetic relationships between wild progenitor pear (Pyrus L.) species and local cultivars native to Georgia, South Caucasus -
Asanidze, Z., Akhalkatsi, M., Henk, A.D., Richards, C.M., Volk, G.M. 2014. Genetic relationships between wild progenitor pear (Pyrus L.) species and local cultivars native to Georgia, South Caucasus. Flora. 209(9):504-512. DOI: 10.1016/j.flora.2014.06.013.
Tree and root architecture of Malus sieversii seedlings for rootstock breeding -
Fazio, G., Chao, C.T., Forsline, P., Richards, C.M., Volk, G.M. 2014. Tree and root architecture of Malus sieversii seedlings for rootstock breeding. Acta Horticulturae. 1058:585-594.
Application of genetic and spatial analyses to identify collection priorities for wild Malus species -
Volk, G.M., Richards, C.M., Henk, A.D., Baldo, A.M., Fazio, G., Chao, C.T. 2014. Application of genetic and spatial analyses to identify collection priorities for wild Malus species [abstract]. 7th International Rosaceae Genomics Conference. p. 84.
Effect of a geographic barrier on adaptation in the dwarf sunflower (Helianthus pumilus Nutt.) -
Reeves, P.A., Richards, C.M. 2014. Effect of a geographic barrier on adaptation in the dwarf sunflower (Helianthus pumilus Nutt.). International Journal of Plant Sciences. 175:688-701.
Genetic structure and gene flow in Beta vulgaris subspecies maritima along the Atlantic coast of France Reprint Icon -
Richards, C.M., Reeves, P.A., Fenwick, A.L., Panella, L.W. 2014. Genetic structure and gene flow in Beta vulgaris subspecies maritima along the Atlantic coast of France. Genetic Resources and Crop Evolution. 61(3):651-662. DOI 10.1007/s10722-013-0066-1.
Characterization of Libyan olive, olea europaea L., cultivars using morpholigical data -
Abdul, S., Volk, G.M., Richards, C.M., Hughes, H. 2013. Characterization of Libyan olive, olea europaea L., cultivars using morpholigical data. American Society for Horticultural Science Meeting, Paper No.15849.
Diversity captured in the USDA-ARS National Plant Germplasm System apple core collection -
Gross, B., Volk, G.M., Richards, C.M., Henk, A.D., Forsline, P., Szewc-Mcfadden, A.K., Fazio, G., Chao, C.T. 2013. Diversity captured in the USDA-ARS National Plant Germplasm System apple core collection. Journal of the American Society for Horticultural Science. 138(5):375-381.
Malus sieversii: a diverse Central Asian apple species in the USDA-ARS National Plant Germplasm System -
Volk, G.M., Henk, A.D., Richards, C.M., Forsline, P.L., Chao, C.T. 2013. Malus sieversii: a diverse Central Asian apple species in the USDA-ARS National Plant Germplasm System. HortScience. 48(12):1440-1444.
Genetic structure and immigation in French sea beet -
Panella, L.W., Richards, C.M., Fenwick, A.L., Reeves, P.A. 2013. Genetic structure and immigation in French sea beet. Meeting Abstract. ASSBT Meetings, Anaheim, CA. 02/27/2013.
Genome-wide survey of genetic diversity of apple using genotyping-by-sequencing -
Gardner, K., Schwaninger, H.R., Dann, S., Baldo, A.M., Chao, C.T., Fazio, G., Volk, G.M., Richards, C.M., Zhong, G., Myles, S. 2013. Genome-wide survey of genetic diversity of apple using genotyping-by-sequencing [abstract]. Annual International Plant & Animal Genome Conference. W248.
Genetic diversity of wild European and Mediterranean pear species -
Volk, G.M., Richards, C.M., Henk, A.D., Bassil, N.V., Postman, J.D. 2012. Genetic diversity of wild European and Mediterranean pear species (abstract). 6th Rosaceous Genomics Conference (RGC6). September 30 - October 4, 2012, Trento, Italy. p. 130-131.
The USDA-ARS National Plant Germplasm System Malus collection: diversity of cultivars and wild species -
Volk, G.M., Richards, C.M., Gross, B.L., Fazio, G., Chao, C.T. 2012. The USDA-ARS National Plant Germplasm System Malus collection: diversity of cultivars and wild species (abstract). 6th Rosaceous Genomics Conference (RGC6), September 30 - October 4, 2012, Trento, Italy. p.131.
Biogeograhical determinants of population structure in Beta nana -
Genetic variation and distribution of Pacific crabapple -
Routson, K.J., Volk, G.M., Richards, C.M., Smith, S.E., Nabhan, G.P., De Echeverria, V.W. 2012. Genetic variation and distribution of Pacific crabapple. Journal of the American Society for Horticultural Science. 137(5):325-332.
Identification of “duplicate” accessions within the USDA-ARS National Plant Germplasm System malus collection -
Gross, B.L., Volk, G.M., Richards, C.M., Forsline, P.L., Fazio, G., Chao, C.T. 2012. Identification of “duplicate” accessions within the USDA-ARS National Plant Germplasm System malus collection. Journal of the American Society for Horticultural Science. 137(5):333-342.
Identification of interspecific hybrids among domesticated apple and its wild relatives -
Gross, B.L., Henk, A.D., Forsline, P.L., Richards, C.M., Volk, G.M. 2012. Identification of interspecific hybrids among domesticated apple and its wild relatives. Tree Genetics and Genomes. 8(6):1223-1235. DOI: 10.1007/s11295-012-0509-4.
Retention of agronomically important variation in germplasm core collections: implications for allele mining -
Reeves, P.A., Panella, L.W., Richards, C.M. 2012. Retention of agronomically important variation in germplasm core collections: implications for allele mining. Theoretical and Applied Genetics. 124(6) 1155-1171. DOI: 10.1007/S00122-011-1776-4.
Interspecific hybridization among domesticated apple and its wild relatives -
Gross, B.L., Henk, A.D., Forsline, P.L., Richards, C.M., Volk, G.M. 2012. Interspecific hybridization among domesticated apple and its wild relatives. Meeting Abstract. Available: https://pag.confex.com/pag/xx/webprogram/Paper3193.html.
Genetic diversity and biogeographic determinants of population structure in Araucaria angustifolia Bert. O Ktze. -
Geographic patterns of genetic variation and population structure in Pinus aristata, Rocky Mountain bristlecone pine -
Population structure and conservation of wild Pyrus communis Reprint Icon -
Volk, G.M., Richards, C.M., Cruz, V.V., Bassil, N.V., Postman, J.D. 2011. Population structure and conservation of wild Pyrus communis [meeting abstract]. In: Proceedings of American Society for Horticultural Science Annual Conference, September 25-28, 2011, Waikoloa, Hawaii. Available: http://ashs.confex com/ashs/2011/ webprogram/Paper7477.html.
Integration of georeferencing, habitat, sampling, and genetic data for documentation of wild plant genetic resources -
Volk, G.M., Richards, C.M. 2011. Integration of georeferencing, habitat, sampling, and genetic data for documentation of wild plant genetic resources. HortScience. 46(11): 1446-1449.
Horticultural value of wild genetic resources: introduction to the workshop -
Volk, G.M., Richards, C.M. 2011. Horticultural value of wild genetic resources: introduction to the workshop. HortScience. 46(11): 1436-1437.
Genetic variation in historical and modern apple cultivars compared to wild relatives -
Gross, B.L., Volk, G.M., Richards, C.M., Forsline, P.L. 2011. Genetic variation in historical and modern apple cultivars compared to wild relatives [meeting abstract]. In: Proceedings of the International Pland and Animal Genome XIX Conference, January 15-19, 2011, San Diego, California. p. 150.
Genetic diversity of diploid Japanese strawberry species based on microsatellite markers Reprint Icon -
Njuguna, W., Hummer, K.E., Richards, C.M., Davis, T.M., Bassil, N.V. 2011. Genetic diversity of diploid Japanese strawberry species based on microsatellite markers. Genetic Resources and Crop Evolution. http://www.springerlink.com/content/c404m461448gp6r3. 58:1187-1198.
Diversity and Domestication of Apples -
Volk, G.M., Richards, C.M., Forsline, P.L. 2010. Diversity and Domestication of Apples. Meeting Abstract. 5th International Rosaceae Genomics Conference, November 14-17, 2010. South Africa. pp. O51.
Phylogenetic relationships among Maloideae species -
Volk, G.M., Richards, C.M., Baldo, A.M. 2010. Phylogenetic relationships among Maloideae species. Meeting Abstract. 5th International Rosaceae Genomics Conference, November 14-17, 2010. South Africa. pp. O52.
Duplication in the Domestica Apple Collection within the USDA-ARS National Plant Germplasm System in Geneva, New York -
Volk, G.M., Gross, B.L., Richards, C.M., Szwec-Mcfadden, A., Forsline, P.L., Fazio, G. 2010. Duplication in the Domestica Apple Collection within the USDA-ARS National Plant Germplasm System in Geneva, New York. Meeting Abstract. 5th International Rosaceae Genomics Conference, November 14-17, 2010. South Africa. pp. P53.
Species delimitation under the general lineage concept: An empirical example using wild North American hops (cannabaceae: Humulus lupulus) -
Reeves, P.A., Richards, C.M. 2011. Species delimitation under the general lineage concept: An empirical example using wild North American hops (cannabaceae: Humulus lupulus). Systematic Biology. 60:45-59.
Modeling demographics and genetics in ex situ collections during seed storage and regeneration -
Richards, C.M., Lockwood, D.R., Volk, G.M., Walters, C.T. 2010. Modeling demographics and genetics in ex situ collections during seed storage and regeneration. Crop Science. 50:2440-2447.
Diversity in wild apple species of Chinese origin -
Volk, G.M., Henk, A.D., Richards, C.M., Baldo, A.M., Forsline, P.L. 2010. Diversity in wild apple species of Chinese origin. Meeting Abstract. American Society for Horticultural Science annual conference, Palm Desert, CA August 2-5, 2010.
Apple Diversity -
New Challenges for Data Managment in Genebanks -
Richards, C.M., Volk, G.M. 2010. New Challenges for Data Managment in Genebanks. Acta Horticulturae. 859:333-336.
A comprehensive approach toward conserving Malus germplasm -
Volk, G.M., Richards, C.M., Forsline, P.L. 2010. A comprehensive approach toward conserving Malus germplasm. Acta Horticulturae. 859:177-182.
Diversity and the role of genebanks in the age of genomics -
Richards, C.M. and Volk, G.M. 2009. Diversity and the role of genebanks in the age of genomics. Molecular Markers in Horticulture Symposium. July 29-August 1, 2009 Corvallis, OR. pp. 39. Meeting Abstract.
A Comprehensive Approach Toward Conserving Malus Germplasm -
Volk, G.M., Richards, C.M., Forsline, P.L. 2009. A comprehensive approach toward conserving Malus germplasm. Molecular Markers in Horticulture Symposium. July 29-August 1, 2009 Corvallis, OR. pp. 7. Meeting Abstract.
Capturing The Diversity Of Wild Malus Orientalis From Georgia, Armenia, Russia And Turkey -
Volk, G.M., Richards, C.M., Henk, A.D., Reilley, A.A., Reeves, P.A., Forsline, P.L., Aldwinckle, H.S. 2009. Capturing The Diversity Of Wild Malus Orientalis From Georgia, Armenia, Russia And Turkey. Journal of the American Society for Horticultural Science. 134:453-459.
Diversity and the Role of Genebanks in the Age of Genomics -
Richards, C.M., Volk, G.M. 2009. Diversity and the Role of Genebanks in the Age of Genomics. Meeting Abstract. Molecular Markers in Horticulture, ISHS, Covalis OR July 30-August 1, 2009. Abstract OP36 pg.39
Population Structure and History in Developing Core Sets in Wild Germplasm -
Richards, C.M., Volk, G.M., Reeves, P.A. 2009. Population Structure and History in Developing Core Sets in Wild Germplasm. Plant and Animal Genome Conference Proceedings. Volume W008. January 10-14, 2009 San Diego California
Microsatellite characterization of subspecies and their hybrids in Culex pipiens complex mosquitoes along a north-south transect in the central United States of America -
Kothera, L., Zimmerman, E.M., Richards, C.M., Savage, H.M. 2009.Microsatellite characterization of subspecies and their hybrids in Culex pipiens complex mosquitoes along a north-south transect in the central United States of America. Journal of Medical Entomology 46:236-248.
Selection of stratified core sets representing wild apple (Malus sieversii) -
Richards, C.M., Volk, G.M., Reeves, P.A., Reilley, A., Henk, A.D., Forsline, P.L., Aldwinckle, H. 2009. Selection of stratified core sets representing wild apple (Malus sieversii). Journal of the American Society for Horticultural Science. 134:228-235.
Accurate inference of subtle population structure (and other genetic discontinuities) using principal coordinates -
Reeves, P.A., Richards, C.M. 2009. Accurate inference of subtle population structure (and other genetic discontinuities) using principal coordinates. Plos one. 4(1) e4269.
Novel diversity identified in a wild apple population from Kyrgyz Republic -
Volk, G.M., Richards, C.M., Henk, A.D., Reilley, A., Miller, D.D., Forsline, P.L. 2009. Novel diversity identified in a wild apple population from Kyrgyz Republic. HortScience 44:516-519.
Population Structure And History In Developing Core Sets In Wild Germplasm. -
Richards, C.M., Volk, G.M., and P.A. Reeves. 2009. Population Structure and history in developing core sets in wild germplasm. Plant & Animal Genome XVII Conference. Annual Conference. January 10-14, 2009. San Diego, CA. pp. W008. Meeting Abstract.
Genetic diversity and population structure in Malus sieversii, a wild progenitor species of domesticated apple. -
Richards C.M., G. Volk, A.A. Reilley, A.D. Henk, D. Lockwood, P.A. Reeves, and P.L. Forsline. 2009. Genetic diversity and population structure in Malus sieversii, a wild progenitor species of domesticated apple. Tree Genetics and Genomics 5:339-347.
Diversity of wild Malus germplasm available in the USDA-ARS National Plant Germplasm System -
Volk, G.M., C.M. Richards, Aldwinckle, H.2008. Diversity of wild Malus germplasm available in the USDA-ARS National Plant Germplasm System. American Society for Horticultural Science. Annual Conference. July 21-24, 2008. Orlando, FL. 43:1136. Meeting Abstract.
The influence of large scale genomics and the changing role of ex situ collections -
Richards, C.M. 2008. The influence of large scale genomics and the changing role of ex situ collections. Annual meeting for the American Botanical Society, Vancouver, British Columbia, Canada. July 27, 2008. Meeting Abstract.
Expansion of the USDA-ARS Germplasm Resources Information Network (GRIN) database to accommodate molecular data -
Volk, G.M., Richards C.M., Bohning M.A., Sinnott Q.P. 2008. Expansion of the USDA-ARS Germplasm Resources Information Network (GRIN) database to accommodate molecular data. American Society for Horticultural Science. Annual Conference. July 21-24. Orlando, Florida 43:1205-1206. Meeting Abstract.
Genebanks in the post-genomic age: emerging roles and anticipated uses -
Walters, C.T., Volk, G.M., Richards, C.M. 2008. Genebanks in the post-genomic age: emerging roles and anticipated uses. Biodiversity Issues 9:68-71.
Population Genetics in ex situ Conservation -
RRichards, C.M. 2008. Population Genetics in ex situ Conservation. Leibnitz Institute of Plant Genetic and Crop Research (IPK). April 23, 2008,Gatersleben, Germany. Meeting Abstract.
Availability of genotypic data for USDA-ARS National Plant Germplasm System accessions using the Genetic Resources Information Network (GRIN) database -
Volk, G.M., Richards, C.M. 2008. Availability of genotypic data for USDA-ARS National Plant Germplasm System accessions using the Genetic Resources Information Network (GRIN) database. HortScience 43:1365-1366.
Assessment of the genetic diversity and disease resistance of wild Malus orientalis seedlings from Turkey and Southern Russia -
Volk, G.M., C.M. Richards P. Forsline and H. Aldwinckle. 2008. Assessment of the genetic diversity and disease resistance of wild Malus orientalis seedlings from Turkey and Southern Russia. Rosaceae Genomics Conference. Annual Conference. March 16-19, 2008. Pucon, Chile. pp. 85. Meeting Abstract.
Genetic diversity and disease resistance of wild Malus orientalis from Turkey and southern Russia -
Volk, G.M., Richards, C.M., Reilley, A., Henk, A.D., Reeves, P.A., Forsline, P.L., Aldwinckle, H. 2008. Genetic diversity and disease resistance of wild Malus orientalis from Turkey and southern Russia. Journal of the American Society for Horticultural Science 133:383-389.
Genetic diversity of wild Malus orientalis -
Volk, G.M., Richards, C.M., Henk, A.D., Reilley, A., Reeves, P.A., Forsline, P.L. 2007. Genetic diversity of wild Malus orientalis. Plant & Animal Genome XVI Conference. Annual Conference. January 12-16, 2008. San Diego, CA. pp. 137. Meeting Abstract.
Genetic Diversity of Japanese Strawberry Species Based on Microsatellite Markers -
Njuguna, W., Bassil, N.V., Hummer, K.E., Richards, C.M., Davis, T. 2009. Genetic Diversity of Japanese Strawberry Species Based on Microsatellite Markers. Acta Horticulturae. 842:581-584.
Progress in evaluating Malus sieversii for Disease-Resistance and Horticultural Traits -
Fazio, G., Forsline, P.L., Aldwinckle, H., Volk, G.M., Richards, C.M., Janisiewicz, W.J. 2009. Progress in evaluating Malus sieversii for Disease-Resistance and Horticultural Traits. ISHS 2009. Acta Hort. 814:59-66.
Genetic Diversity of the Malus sieversii Collection in the USDA-ARS National Plant Germplasm System -
Volk, G.M., Richards, C.M., Henk, A.D., Reilley, A., Forsline, P.L. 2007. Genetic Diversity of the Malus sieversii Collection in the USDA-ARS National Plant Germplasm System. Meeting Abstract HortScience. July 16-19, 2007, Scottsdale, Arazona. 44:895.
Evolutionary conservation of the FLC mediated vernalization response -
Richards, C.M., Reeves, P.A., He, Y., Schmitz, R.J., Amasino, R.M., Panella, L.W. 2007. Evolutionary conservation of the FLC mediated vernalization response. Meeting Abstract for the Plant and Animal Genome XV conference. January 13-17, 2007, San Diego, California. pp. 129.
Virus induced gene silencing of a gene repressing flowering in sugar beet. -
Fenwick, A., Larson, R.L., Reeves, P.A., Richards, C.M., Panella, L.W. 2007. Virus induced gene silencing of a gene repressing flowering in sugar beet. American Society of Sugarbeet Technologists.
Evolutionary Conservation of the Flowering Locus C-Mediated Vernalization Response: Evidence From the Sugar Beet (Beta vulgaris) -
Reeves, P.A., Yuehui, H., Schmitz, R.J., Amasino, R.M., Panella, L.W., Richards, C.M. 2006. Evolutionary Conservation of the Flowering Locus C-Mediated Vernalization Response: Evidence From the Sugar Beet (Beta vulgaris). Genetics 176: 295-307 (May 2007) DOI: 10.1534/genetics.106.069336.
GENETIC RELATIONSHIPS BETWEEN FERAL CATTLE FROM CHIRIKOF ISLAND, ALASKA, AND OTHER BREEDS -
MacNeil, M.D., Cronin, M.A., Blackburn, H.D., Richards, C.M., Lockwood, D.R., Kantanen, J., Alexander, L.J. 2007. Genetic relationships between feral cattle from Chirikof Island, Alaska, and other breeds. Animal Genetics 38:193-197.
Genetic diversity and structure in the rare Colorado endemic plant Physaria bellii Mulligan (Brassicaceae) -
Kothera, L., Richards, C.M., Carney, S.E. 2007. Genetic diversity and structure in the rare Colorado endemic plant Physaria bellii Mulligan (Brassicaceae). Conservation Genetics 8:1043-1050.
Genetic diversity assessment of wild Malus sieversii populations in Kazakhstan -
Volk, G.M., C.M. Richards, A. Henk, A. Reilley and P. Forsline. 2007. Genetic diversity assessment of wild Malus sieversii populations in Kazakhstan. Meeting Abstract for the Plant and Animal Genome Conference. January 13-18, 2007, San Diego, California. pp. 133.
PROBABILISTIC MODELS FOR COLLECTING GENETIC DIVERSITY: COMPARISONS, CAVEATS AND LIMITATIONS -
Lockwood, D., Richards, C.M., Volk, G.M. Probabilistic models for collecting genetic diversity: comparisons, caveats and limitations. Crop Science 47:859-866.
DISTINGUISHING TERMINAL MONOPHYLETIC GROUPS FROM HYBRID TAXA: PERFORMANCE OF CLADISTIC AND PHENETIC PROCEDURES -
Reeves, P.A., Richards, C.M. 2007. Distinguishing terminal monophyletic groups from hybrid taxa: performance of cladistic and phenetic procedures. Systematic Biology 56:302-320.
GENETIC DIVERSITY OF WILD PYRUS COMMUNIS L. -
Volk, G.M., Richards, C.M., Henk, A.D., Reilley, A., Bassil, N.V., Postman, J.D. 2006. Genetic diversity of wild pyrus communis l. American Society of Horticulture Science Meeting. July 26-29, 2006, New Orleans, Louisiana. 41: 1035. Meeting Abstract.
Capturing genetic diversity of wild populations for ex situ conservation: Texas wild rice (Zizania texana) as a model -
Richards, C.M., Antolin, M.F., Reilley, A., Poole, J., Walters, C.T. Capturing genetic diversity of wild populations for ex situ conservation: Texas wild rice (Zizania texana) as a model. Genetic Resources and Crop Evolution 54:837-848.
THE UTILITY OF AGED SEEDS IN DNA BANKS -
Walters, C., A.A. Reilley, P.A. Reeves, J. Baszczak, and C.M. Richards. 2006. The utility of aged seeds in DNA banks. Seed Science Research 16:169-178.
CHARACTERIZATION OF WILD MALUS POPULATIONS USING GENOTYPIC AND PHENOTYPIC TRAITS -
Volk, G.M., Richards, C.M., Forsline, P.L. 2006. Characterization of wild malus populations using genotypic and phenotypic traits. Meeting Abstract. 3rd International Rosaceae Genomics Conference. Pg. 34.
CHARACTERIZATION OF WILD MALUS POPULATIONS USING GENOTYPIC AND PHENOTYPIC TRAITS -
Volk, G.M., C.M. Richards and P.L. Forsline. 2005. Characterization of wild malus populations using genotypic and phenotypic traits. 3rd International Rosaceae Genomics Conference. March 19-22, 2006, Napier, New Zealand. p. 34. Meeting Abstract.
WILD PLANT SAMPLING STRATEGIES: THE ROLES OF ECOLOGY AND EVOLUTION -
Lockwood, D.R., C.M. Richards and G.M. Volk. 2007. Wild plant sampling strategies: the roles of ecology and evolution. Plant Breeding Reviews 29:285-313.
DIVERSITY OF WILD PYRUS COMMUNIS BASED ON MICROSATELLITE ANALYSES -
Volk, G.M., Richards, C.M., Henk, A.D., Reilley, A., Bassil, N.V., Postman, J.D. 2006. Diversity of wild pyrus communis based on microsatellite analyses. Journal of the American Society for Horticultural Science. Vol. 131:408-417.
USDA-CSREES-NRI PROJECTS DEVELOPING GENOMIC RESOURCES FOR THE ROSACEAE (MALUS) -
Norelli, J.L., Korban, S., Volk, G.M., Zeng, Z., Aldwinckle, H., Bassett, C.L., Beever, J., Farrell, R., Gasic, K., Richards, C.M. 2006. USDA-CSREES-NRI projects developing genomic resources for the rosaceae (malus). Meeting Proceedings of the Plant and Animal Genome XIV, January 13-18, 2006, San Diego, CA. p. 37.
PATTERNS OF MOLECULAR AND QUANTITATIVE TRAIT VARIATION IN MALUS SIEVERSII FROM KAZAKHSTAN -
Richards, C.M., Henk, A.D., Reilley, A., Forsline, P.L., Volk, G.M. 2006. Patterns of molecular and quantitative trait variation in Malus sieversii from kazakhstan. Meeting Proceedings of the Plant and Animal Genome XIV, January 13-18, 2006, San Diego, CA.
RELATIVE EFFECTS OF NOCTURNAL VS DIURNAL POLLINATORS AND DISTANCE ON GENE FLOW IN SMALL SILENE ALBA POPULATIONS -
Barthelmess, E.L., Richards, C.M., McCauley, D.E. 2005. Relative effects of nocturnal vs diurnal pollinators and distance on gene flow in small silene alba populations. New Phytologist 169:689-698
POPULATION AND ECOLOGICAL GENETICS IN RESTORATION ECOLOGY -
Falk, D., C. Richards, A. Montalvo, E. Knapp. 2006. Population and ecological genetics in restoration ecology. pp. 14-41. In D. Falk, M. Palmer and J.Zedler (eds) Foundations of Restoration Biology. Island Press, Washington, D.C.
EX SITU CONSERVATION OF VEGETATIVELY-PROPAGATED SPECIES: DEVELOPMENT OF A SEED-BASED CORE COLLECTION FOR MALUS SIEVERSII -
Volk, G.M., A. Reilley, A.D. Henk, P.L. Forsline, H.S. Aldwinckle, and C.M. Richards. 2005. Ex situ conservation of vegetatively-propagated species: development of a seed-based core collection for Malus sieversii. Journal of the American Society of Horticultural Science. 130:203-210.
MOLECULAR TECHNOLOGIES FOR THE MANAGEMENT AND USE OF GENE BANK COLLECTIONS -
Richards, C.M. 2004. Molecular technologies for the management and use of gene bank collections. In M.C. de Vicente (ed.) The Evolving Role of Genebanks in the Fast-Developing Field of Molecular Genetics. Issues in Genetic Resources 11:13-18. International Plant Genetic Resources Institute. Rome, Italy.
WOLFPAC: BUILDING A HIGH-PERFORMANCE DISTRIBUTED COMPUTING NETWORK FOR PHYLOGENETIC ANALYSIS USING "OBSOLETE" COMPUTATIONAL RESOURCES -
Reeves, P.A., Friedman, P.H., Richards, C.M. 2005. Wolfpac: Building a high-preformance distributed computing network for phylogenetic analysis using "obsolete" computational resources. Applied Bioinformatics 4:61-64.
MICROSATELLITE PRIMERS FOR TEXAS WILD RICE AND A PRELIMINARY TEST OF THE IMPACT OF CRYOGENIC STORAGE ON ALLELE FREQUENCY AT THESE LOCI. -
Richards C.M., A. Reilley, D.H. Touchell, M.F. Antolin and C. Walters. Microsatellite primers for Texas wild rice (Zizania texana), and a preliminary test of the impact of cryogenic storage on allele frequency at these loci. Conservation Genetics 5:853-859.
HOW MANY GARLICS ARE THERE? -
Volk, G.M., A.D. Henk and C.M. Richards. 2004. How many garlics are there? The Garlic Press 44:5-8.
GENETIC DIVERSITY AMONG US GARLIC CLONES AS DETECTED USING AFLP METHODS -
Volk, G.M., A.D. Henk and C.M. Richards. 2004. Genetic Diversity among US garlic clones as detected using AFLP methods. Journal of the American Society for Horticultural Science 129(4):559-569.
POLYMORPHIC MICROSATELLITE MARKERS FOR INFERRING DIVERSITY IN WILD AND DOMESTICATED SUGAR BEET (BETA VULGARIS) -
Richards, C.M., M. Brownson, S. Mitchell, S. Kresovich and L. Panella. 2004. Polymorphic microsatellite markers for inferring diversity in wild and domesticated sugar beet (Beta vulgaris). Molecular Ecology Notes 4:243-245.
GENETIC STRUCTURE AND PATTERNS OF SELECTION IN NATURAL POPULATIONS OF BETA VULGARIS SSP. MARITIMA. -
Richards, C.M., Reeves, P.A., Fenwick, A.L., Panella, L.W. 2004. Genetic structure and patterns of selection in natural populations of beta vulgaris ssp. maritima.. Plant and Animal Genome XI Conference. San Diego, California. pp.136.
DIVERSITY OF GARLIC ACCESSIONS WITHIN THE NATIONAL PLANT GERMPLASM SYSTEM -
Volk, G.M., Henk, A.D., Richards, C.M. 2003. Diversity of garlic accessions within the national plant germplasm system. HortScience. 2003. 38:736.
GENETIC AND DEMOGRAPHIC DYNAMICS OF SMALL POPULATIONS OF SILENE ALBA -
RICHARDS, C.M., EMERY, S.N., MCCAULEY, D.E. GENETIC AND DEMOGRAPHIC DYNAMICS OF SMALL POPULATIONS OF SILENE ALBA. HEREDITY. 2003. v.90.p.181-186.
MAINTENANCE OF GENETIC VARIABILITY IN A CRYOPRESERVED POPULATION OF ZIZANIA TEXANA EMBRYOS -
Richards, C.M., M. Antolin, and C. Walters. 2002. Maintenance of genetic variability in a cryopreserved population of Zizana texana embryos. 39th Meeting of the Society for Cryobiology, July 28-31, 2002, Breckenridge, Colorado. p. 145.
GENETIC VARIABILITY AMONG ACCESSIONS OF GARLIC IN THE USDA NATIONAL PLANT GERMPLASM SYSTEM -
VOLK, G.M., HENK, A.D., RICHARDS, C.M. GENETIC VARIABILITY AMONG ACCESSIONS OF GARLIC IN THE USDA NATIONAL PLANT GERMPLASM SYSTEM. American Society of Plant Biologists. 2002. Pp25.
SUGAR BEET MICROSATELLITES -
Panella, L.W., Brownson, M.P., Richards, C.M., Mitchell, S.E., Kresovich, S. 2002. Sugar beet microsatellites . Plant Animal and Microbe Genomes Conference.
ARS News Articles
Last Modified: 04/22/2017
Footer Content Back to Top of Page