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United States Department of Agriculture

Agricultural Research Service

Gayle M Volk
Plant Germplasm Preservation Research Unit
Research Plant Physiologist

Phone: (970) 495-3205 ext. 109
Fax: (970) 495-3241
1111 S MASON ST
FORT COLLINS, CO, 80521-4500

Projects
Innovations that Improve the Efficiency and Effectiveness of Managing and Preserving Ex Situ Plant Germplasm Collections
Appropriated (D)
  Accession Number: 424585
CHARACTERIZATION OF GENOMIC DIVERITY AND EVOLUTIONARY ORIGINS OF THE USDA-ARS MALUS GERMPLASM COLLECTION
Nonfunded Cooperative Agreement (N)
  Accession Number: 422432
Agreement Between USDA/ARS and DOS/OES to Support the Egypt Science and Technology Cooperation
Reimbursable (R)
  Accession Number: 427746
Application of New Technologies to Expedite Cleaning of New Accessions for Use in Florida
Reimbursable (R)
  Accession Number: 427871
Development of Cryopreservation Strategies for Conserving Grape Genetic Diversity within Genebanks
Reimbursable (R)
  Accession Number: 424393
Cryotherapy of Horticultural Crops
Specific Cooperative Agreement (S)
  Accession Number: 426583
CITRUS CRYOPRESERVATION TO INCREASE SECURITY OF CRITICAL COLLECTIONS
Trust (T)
  Accession Number: 423607
DEVELOPMENT OF CRYOTHERAPY AS AN IMPROVED METHOD OF ELIMINATING GRAFT TRANSMISSABLE PATHOGENS IN CITRUS
Trust (T)
  Accession Number: 424147

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Genetic diversity in Malus × domestica (Rosaceae) through time in response to domestication - (Peer Reviewed Journal)
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.
Cryopreservation of Populus trichocarpa and Salix using dormant buds with recovery by grafting or direct rooting - (Peer Reviewed Journal)
Bonnart, R.M., Waddell, J.W., Haiby, K., Widrlechner, M., Volk, G.M. 2014. Cryopreservation of Populus trichocarpa and Salix using dormant buds with recovery by grafting or direct rooting. CryoLetters. 35(6):507-515.
Genetic relationships between wild progenitor pear (Pyrus L.) species and local cultivars native to Georgia, South Caucasus - (Peer Reviewed Journal)
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.
A global conservation strategy for apple - (Abstract Only)
Volk, G.M., Chao, C.T., Hummer, K.E. 2014. A global conservation strategy for apple [abstract]. 7th International Rosaceae Genomics Conference. p. 28.
Application of genetic and spatial analyses to identify collection priorities for wild Malus species - (Abstract Only)
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.
An efficient, widely applicable cryopreservation of Lilium shoot tips by droplet vitrification - (Peer Reviewed Journal)
Yin, Z., Bi, W., Chen, L., Zhao, B., Volk, G.M., Wang, Q. 2014. An efficient, widely applicable cryopreservation of Lilium shoot tips by droplet vitrification. Acta Physiologiae Plantarum. 36(7):1683-1692. DOI: 10.1007/s11738-014-1543-7.
Potential applications of cryogenic technologies to plant genetic improvement and pathogen eradication - (Peer Reviewed Journal)
Wang, B., Wang, R., Cui, Z., Li, J., Bi, W., Li, B., Ozudogru, E., Volk, G.M., Wang, Q. 2014. Potential applications of cryogenic technologies to plant genetic improvement and pathogen eradication. Biotechnology Advances. 32(3):583-595. DOI: 10.1016/j.biotechadv.2014.03.003.
Developing cryotherapy to eliminate graft-transmissible pathogens in citrus - (Trade Journal)
Lee, R.F., Volk, G.M., Hartung, J.S. 2014. Developing cryotherapy to eliminate graf-transmissible pathogens in citrus. Citrograph. 5(3):50-57.
Plant shoot tip response to treatment with plant vitrification solution 2 - (Peer Reviewed Journal)
Volk, G.M., Henk, A.D., Bonnart, R.M., Shepherd, A., Gross, B.L. 2014. Plant shoot tip response to treatment with plant vitrification solution 2. Acta Horticulturae. 1039:81-84.
Strategies for improved efficiency when implementing plant vitrification techniques - (Peer Reviewed Journal)
Volk, G.M., Shepherd, A., Bonnart, R.M. 2014. Strategies for improved efficiency when implementing plant vitrification techniques. Acta Horticulturae. 1039:85-89.
Somatic embryogenesis and organogenesis from cryopreserved shoot tips of Lilium Oriental hybrid ‘Siberia’ - (Peer Reviewed Journal)
Yin, Z., Chen, L., Bi, W., Volk, G.M., Wang, Q. 2014. Somatic embryogenesis and organogenesis from cryopreserved shoot tips of Lilium Oriental hybrid ‘Siberia’. Acta Horticulturae. 1039:193-200.
Cryopreservation of pecan pollen for long-term storage - (Abstract Only)
Volk, G.M., Walters, C.T., Waddell, J., Grauke, L.J. 2013. Cryopreservation of pecan pollen for long-term storage. Meeting Abstract. Second International Symposium on Plant Cryopreservation, p.106.
Gene expression in arabidopsis shoot tips after liquid nitrogen exposure - (Abstract Only)
Volk, G.M., Henk, A.D., Bonnart, R.M., Gross, B. 2013. Gene expression in arabidopsis shoot tips after liquid nitrogen exposure. Meeting Abstract. 2nd International Society for Horticultural Science Meeting. p.17.
"Intermediate" seed storage physiology: populus as a natural model system - (Abstract Only)
Hill, L.M., Haiby, K., Volk, G.M., Walters, C.T. 2013. "Intermediate" seed storage physiology: populus as a natural model system. International Society for Horticultural Science Meeting. p.88.
Cryopreservation of citrus in the USDA-ARS national plant germplasm system collection - (Abstract Only)
Bonnart, R.M., Shepherd, A., Lee, R.F., Krueger, R., Volk, G.M. 2013. Cryopreservation of citrus in the USDA-ARS national plant germplasm system collection. Meeting Abstract. 2nd International Symposium on Plant Cryopreservation. p.62.
Cryopreservation of vitis shoot tips from diverse species - (Abstract Only)
Shepherd, A., Bonnart, R.M., Volk, G.M. 2013. Cryopreservation of vitis shoot tips from diverse species. Meeting Abstract. Second International Symposium on Plant Cryopreservation, p.103.
Shoot regeneration and embryogenesis in lily shoot tips cryopreserved by droplet vitrification - (Abstract Only)
Yin, Z.F., Chen, L., Bi, W., Volk, G.M., Wang, Q. 2013. Shoot regeneration and embryogenesis in lily shoot tips cryopreserved by droplet vitrification. International Society for Horticultural Science Meeting. p.55.
Characterization of Libyan olive, olea europaea L., cultivars using morpholigical data - (Abstract Only)
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.
Pecan pollen: cryopreservation for long-term storage - (Abstract Only)
Volk, G.M., Walters, C.T., Waddell, J.W., Grauke, L.J. 2013. Pecan pollen: cryopreservation for long-term storage. Program for the International Symposium on Pecans and Other Carya in Indigenous & Managed Systems. p.26.
Diversity captured in the USDA-ARS National Plant Germplasm System apple core collection - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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.
Potential use of apple crop wild relatives in breeding programs - (Abstract Only)
Volk, G.M. 2013. Potential use of apple crop wild relatives in breeding programs. Meeting Abstract. Plant and Animal Genome XXI, San Diego CA, Jan 12-16, 2013.
Genome-wide survey of genetic diversity of apple using genotyping-by-sequencing - (Abstract Only)
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.
The ASHS outstanding fruit cultivar award: a 25 year retrospective - (Peer Reviewed Journal)
Volk, G.M., Olmstead, J.W., Finn, C.E., Janick, J. 2013. The ASHS outstanding fruit cultivar award: a 25 year retrospective. HortScience. 48(1):4-12.
Genetic diversity of wild European and Mediterranean pear species - (Abstract Only)
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 - (Abstract Only)
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.
Cryopreservation of citrus for long-term conservation - (Abstract Only)
Volk, G.M., Bonnart, R.M., Shepherd, A., Krueger, R., Lee, R.F. 2012. Cryopreservation of citrus for long-term conservation. XII International Citrus Congress, November 18 - 23, 2012, Valencia , Spain. Meeting Abstract. Paper No. S01O02.
Total phenolic levels in diverse garlics (Allium sativum L.) - (Trade Journal)
Volk, G.M., Caspersen, A.M., Stern, D. 2012. Total phenolic levels in diverse garlics (Allium sativum L.). Garlic Press. 51: 10-10.
Genetic variation and distribution of Pacific crabapple - (Peer Reviewed Journal)
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 - (Peer Reviewed Journal)
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.
Use of cryotherapy to eradicate pathogens from horticultural crops - (Abstract Only)
Volk, G.M. 2012. Use of cryotherapy to eradicate pathogens from horticultural crops. Meeting Abstract. Available: http://ashs.org/abstracts/m/abstracts12/ abstract_id_12207.html.
Conservation of US citrus collections using cryopreservation - (Abstract Only)
Volk, G.M., Bonnart, R.M., Krueger, R., Lee, R.F. 2012. Conservation of US citrus collections using cryopreservation. Meeting Abstract. Available: http://ashs.org/abstracts/m/abstracts12/abstract_id_10287.html.
Cryopreservation of Salix sp. dormant winter buds - (Abstract Only)
Jenderek, M.M., Ambruzs, B.D., Holman, G.E., Volk, G.M., Ellis, D.D., Widrlechner, M.P., Carstens, J.D. 2012. Cryopreservation of Salix sp. dormant winter buds. American Society of Horticulture Science Meeting. Available: http://ashs.org/abstracts/m/abstracts12/abstract_id_11414.html.
Identification of interspecific hybrids among domesticated apple and its wild relatives - (Peer Reviewed Journal)
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. (2012)8:1223-1235. Available: DOI 10.1007/s11295-012-0509-4.
Uniform standards for genome databases in forest and fruit trees - (Peer Reviewed Journal)
Wegrzyn, J.L., Main, D., Figueroa, B., Choi, M., Neale, D.B., Jung, S., Stanton, M., Zheng, P., Ficklin, S., Cho, I., Peace, C., Evans, K., Volk, G.M., Oraguzie, N., Chen, C., Gmitter, F.G., Abbott, A.G. 2012. Uniform standards for genome databases in forest and fruit trees. Tree Genetics and Genomes. 8:549-557.
Interspecific hybridization among domesticated apple and its wild relatives - (Abstract Only)
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.
Citrus conservation at the National Center for Genetic Resources Preservation - (Trade Journal)
Volk, G.M. 2012. Citrus conservation at the National Center for Genetic Resources Preservation. Citrograph. 2(7):42-43.
Cryopreservation of Citrus shoot tips using micrografting for recovery - (Peer Reviewed Journal)
Volk, G.M., Bonnart, R.M., Krueger, R., Lee, R.F. 2012. Cryopreservation of Citrus shoot tips using micrografting for recovery. CryoLetters. 33(6):418-426.
Population structure and conservation of wild Pyrus communis Reprint Icon - (Abstract Only)
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.
Application of functional genomics to plant cryopreservation - (Abstract Only)
Volk, G.M., Henk, A.D., Gross, B.L. 2011. Application of functional genomics to plant cryopreservation [meeting abstract]. In: Proceedings of Cryo 2011: 48th Annual Meeting of the Society for Cyrobiology. July 24-27, 2011, Corvallis, Oregon. p. 63.
Chapter 25: Collecting pollen for genetic resources conservation - (Book / Chapter)
Volk, G.M. 2011. Chapter 25: Collecting pollen for genetic resources conservation. In: Guarino, L., Ramanatha Rao, V., Goldberg, E., editors. Collecting Plant Genetic Diversity: Technical Guidelines. 2011 Update. Rome, Italy: Bioversity International. Available: http://cropgenebank.sgrp.cgiar.org/index.php?option=com_content&view=article&id=654
Integration of georeferencing, habitat, sampling, and genetic data for documentation of wild plant genetic resources - (Peer Reviewed Journal)
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.
Strategies for improved fruit crop cyropreservation - (Abstract Only)
Volk, G.M. 2011. Strategies for improved fruit crop cyropreservation [meeting abstract]. In: Proceedings of The First International Symposium on Cyropreservation of Horticultural Crops in China, June 28-30, 2011, Yangling, Shaanxi, China. p 43.
"Intermediate" seed storage physiology: populus as a natural model system - (Abstract Only)
Walters, C.T., Hill, L.M., Volk, G.M., Haiby, K. 2011. "Intermediate" seed storage physiology: populus as a natural model system. Meeting Abstract. International Society for Seed Science, Bahia, Brazil Apr 10-15, 2011. pp. 280.
Horticultural value of wild genetic resources: introduction to the workshop - (Peer Reviewed Journal)
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 - (Abstract Only)
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.
Duplication in the Domestica Apple Collection within the USDA-ARS National Plant Germplasm System in Geneva, New York - (Abstract Only)
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.
Diversity and Domestication of Apples - (Abstract Only)
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.
Standardized Phenotyping: A coordinated effort for Malus, Pyrus, Prunus and Fragaria - (Abstract Only)
Volk, G.M., Peace, C., Gasic, K., Bassil, N.V., Main, D. 2010. Standardized Phenotyping: A coordinated effort for Malus, Pyrus, Prunus and Fragaria. Meeting Abstract. 5th International Rosaceae Genomics Conference, November 14-17, 2010. South Africa. pp. O53.
Phylogenetic relationships among Maloideae species - (Government Publication)
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.
Cryopreservation and Cryotherapy of Citrus Cultivars - (Abstract Only)
Volk, G.M., Krueger, R., Lee, R.F. 2010. Cryopreservation and Cryotherapy of Citrus Cultivars. Meeting Abstract National Citrus Research Coordination Symposium, Denver, Colorado, June 16-18, 2010.
Modeling demographics and genetics in ex situ collections during seed storage and regeneration - (Peer Reviewed Journal)
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.
Standardized plant disease evaluations will enhance resistance gene discovery - (Peer Reviewed Journal)
Postman, J.D., Volk, G.M., Aldwinckle, H. 2010. Standardized plant disease evaluations will enhance resistance gene discovery. HortScience. 45(9):1317-1320.
Standardized phenotyping: advantages to horticulture, introduction to the workshop - (Peer Reviewed Journal)
Bassil, N.V., Volk, G.M. 2010. Standardized Phenotyping: Advantages to Horticulture, Introduction to the Workshop. HortScience. 45(9):1306.
Diversity in wild apple species of Chinese origin - (Abstract Only)
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.
Advantages for the use of standardized phenotyping in databases - (Peer Reviewed Journal)
Volk, G.M. 2010. Advantages for the use of standardized phenotyping in databases. HortScience 45:1310-1313.
Apple Diversity - (Book / Chapter) - (08-Mar-10)
Increased efficiency using the encapsulation-dehydration cryopreservation technique - (Peer Reviewed Journal)
Bonnart, R.M., Volk, G.M. 2010. Increased efficiency using the encapsulation-dehydration cryopreservation technique. CryoLetters. 31:95-100.
Gene expression in response to cryoprotectant and liquid nitrogen exposure in Arabidopsis shoot tips - (Peer Reviewed Journal)
Volk, G.M., Henk, A.D., Chhandak, B. 2011. Gene expression in response to cryoprotectant and liquid nitrogen exposure in Arabidopsis shoot tips. Acta Horticulturae. 908: 55-66.
Apple Germplasm - (Book / Chapter) - (15-Dec-09)
A comprehensive approach toward conserving Malus germplasm - (Peer Reviewed Journal)
Volk, G.M., Richards, C.M., Forsline, P.L. 2010. A comprehensive approach toward conserving Malus germplasm. Acta Horticulturae. 859:177-182.
New Challenges for Data Managment in Genebanks - (Peer Reviewed Journal)
Richards, C.M., Volk, G.M. 2010. New Challenges for Data Managment in Genebanks. Acta Horticulturae. 859:333-336.
Diversity and the role of genebanks in the age of genomics - (Abstract Only)
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 - (Abstract Only)
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.
Advantages For The Use Of Standardized Phenotyping In The National Plant Germplasm System - (Abstract Only)
Volk, G.M. 2009. Advantages For The Use Of Standardized Phenotyping In The National Plant Germplasm System. Meeting Abstract. HortScience 44:976
Capturing The Diversity Of Wild Malus Orientalis From Georgia, Armenia, Russia And Turkey - (Peer Reviewed Journal)
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 - (Abstract Only)
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
Application of functional genomics and proteomics to plant cryopreservation - (Peer Reviewed Journal)
Volk, G.M. 2010. Application of functional genomics and proteomics to plant cryopreservation. Current Genomics. 11:24-29.
Phenotypic Characteristics Of Ten Garlic Cultivars Grown At Different North American Locations - (Peer Reviewed Journal)
Volk, G.M., Stern, D. 2009. Phenotypic Characteristics Of Ten Garlic Cultivars Grown At Different North American Locations. HortScience. 44:1238-1247.
Annonaceae seeds: Desiccation tolerant with unusual physiologies - (Abstract Only)
Volk, G.M., Bonnart, R.M., Walters, C.T. 2009. Annonaceae seeds: Desiccation tolerant with unusual physiologies. Seed Technologists Newsletter. 83 (2):18-19. Association of Official Seed Analysts and Society for Commercial Seed Technologists. May 29-June 4, 2009. Fort Collins, Colorado. Meeting Abstract.
Survival of cryogenically-stored dormant apple buds: A 20 year assessment - (Abstract Only)
Walters, C.T., Volk, G.M., Towill, L., Forsline, P.L. 2009. Survival of cryogenically-stored dormant apple buds: A 20 year assessment. I International Symposium on Cryopreservation in Horticultural Species, April 5-8, 2009. Leuven, Belgium. pp. 25. Meeting abstract.
Standardized Plant Disease Evaluations will Enhance Resistance Gene Discovery - (Proceedings)
Postman, J.D., Aldwinckle, H., Volk, G.M. 2009. Standardized Plant Disease Evaluations will Enhance Resistance Gene Discovery. Meeting Proceedings. HortScience 44:975.
Long-term survival of cryopreserved germplasm: contributing factors and assessments from 30 year old experiments - (Peer Reviewed Journal)
Walters, C.T., Volk, G.M., Koster, K.L., Stanwood, P.C., Towill, L.E. 2011. Long-term survival of cryopreserved germplasm: contributing factors and assessments from 30 year old experiments. Acta Horticulturae. 908: 113-120.
Identification of historic apple trees in the Southwestern United States and implications for conservation - (Peer Reviewed Journal)
Routson, K., Reilley, A., Henk, A.D., Volk, G.M. 2009. Identification of historic apple trees in the Southwestern United States and implications for conservation. HortScience 44:589-594.
Cryopreservation Of Dormant Buds From Diverse Fraxinus Species - (Peer Reviewed Journal)
Volk, G.M., Bonnart, R.M., Waddell, J.W., Widrlechner, M.P. 2009. Cryopreservation Of Dormant Buds From Diverse Fraxinus Species. CryoLetters. 30:262-267.
Resistance Gene Analogs in Six Genera of Rosaceae: A Family-wide Classification - (Abstract Only)
Baldo, A.M., Volk, G.M., Henk, A.D., Iezzoni, A., Olmstead, J.W., Aldwinckle, H.S., Weber, C., Samuelian, S., Malnoy, M. 2009. Resistance Gene Analogs in Six Genera of Rosaceae: A Family-wide Classification. Plant & Animal Genome XVII Conference. Annual Conference. January 10-14, 2009. San Diego, CA. pp.182. Meeting Abstract.
Population Structure and History in Developing Core Sets in Wild Germplasm - (Abstract Only)
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
Variation in low temperature exotherms of pecan cultivar dormant twigs - (Peer Reviewed Journal)
Volk, G.M., Waddell, J.W., Towill, L., Grauke, L.J. 2009. Variation in low temperature exotherms of pecan cultivar dormant twigs. HortScience. 44:317-321.
Novel diversity identified in a wild apple population from Kyrgyz Republic - (Peer Reviewed Journal)
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.
Selection of stratified core sets representing wild apple (Malus sieversii) - (Peer Reviewed Journal)
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.
Population Structure And History In Developing Core Sets In Wild Germplasm. - (Abstract Only)
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.
Gene expression in response to cryoprotectant and liquid nitrogen exposure in Arabidopsis shoot tips - (Abstract Only)
Volk, G.M., Henk, A.D., Chhandak, B. Gene expression in response to cryoprotectant and liquid nitrogen exposure in Arabidopsis shoot tips. I International Symposium on Cryopreservation in Horticultural Species, April 5-8, 2009. Leuven, Belgium. pp. 24. Meeting abstract.
Genetic diversity and population structure in Malus sieversii, a wild progenitor species of domesticated apple. - (Peer Reviewed Journal)
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 - (Abstract Only)
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.
Regional specificity of genetically diverse garlic varieties - (Abstract Only)
Volk, G.M. Rosen, C., Allan, D., Ocallaghan, A., Zandstra, J., Stern, D. 2008. Regional specificity of genetically diverse garlic varieties. American Society for Horticultural Science. Annual Conference. July 21-24, 2008. Orlando, FL. 43:1109-1110. Meeting Abstract.
Expansion of the USDA-ARS Germplasm Resources Information Network (GRIN) database to accommodate molecular data - (Abstract Only)
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 - (Peer Reviewed Journal)
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.
Availability of genotypic data for USDA-ARS National Plant Germplasm System accessions using the Genetic Resources Information Network (GRIN) database - (Peer Reviewed Journal)
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 - (Abstract Only)
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 - (Peer Reviewed Journal)
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 - (Abstract Only)
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.
Progress in evaluating Malus sieversii for Disease-Resistance and Horticultural Traits - (Proceedings)
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.
High viability of dormant Malus buds after 10 years of storage in liquid nitrogen vapor - (Peer Reviewed Journal)
Volk, G.M., Waddell, J.W., Bonnart, R.M., Towill, L.E., Ellis, D.D., Luffman, M. 2008. High viability of dormant Malus buds after 10 years of storage in liquid nitrogen vapor. CryoLetters 29:89-94.
Genetic Diversity of the Malus sieversii Collection in the USDA-ARS National Plant Germplasm System - (Abstract Only)
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.
Gene Expression patterns in cryogenically stored Arabidopsis thaliana shoot tips - (Abstract Only)
Basu, C., Volk, G.M., Henk, A.D. 2007. Gene Expression patterns in cryogenically stored Arabidopsis thaliana shoot tips. Meeting Abstract for the 5th Canadian Plant Genomics Workshop. July 30,-August 2, 2007, Vancouver, BC, Canada pp. 56.
Shoot tip structural and biophysical responses to plant vitrification solution 2 (PVS2) exposure - (Abstract Only)
Volk, G.M., Caspersen, A.M., Walters, C.T. 2007. Shoot tip structural and biophysical responses to plant vitrification solution 2 (PVS2) exposure. Meeting abstract for the 44th Annual Meeting of the Society for Cryobiology. July 28 - August 01, 2007, Lake Louise, Canada. pp. 45.
Hydration of Cuphea seeds containing crystallized triacylglycerols - (Peer Reviewed Journal)
Volk, G.M., Crane, J., Caspersen, A.M., Kovach, D.A., Gardner, C.A., Walters, C.T. 2007. Hydration of Cuphea seeds containing crystallized triacylglycerols. Functional Plant Biology 34:360-367.
Cryopreservation of Arabidopsis Thaliana Shoot Tips. - (Peer Reviewed Journal)
Towill, L.E., R. Bonnart and G.M. Volk. 2006. Cryopreservation of Arabidopsis thaliana shoot tips. CryoLetters 27:353-360.
Genetic diversity assessment of wild Malus sieversii populations in Kazakhstan - (Abstract Only)
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.
Plasmolysis and Recovery of Different Cell Types in Cryoprotected Shoot Tips of Mentha X Piperita - (Peer Reviewed Journal)
Volk, G.M., Caspersen, A.M. 2007. Plasmolysis and recovery of different cell types in cryoprotected shoot tips of mentha x piperita. Protoplasma 231:215-226.
Genetic Diversity of Garlic - (Other)
Volk, G.M. 2006. Genetic diversity of garlic. Meeting Abstract. Hudson Valley Garlic Festival, September 23, 2006, Albany, NY.
Differential Gene Expression Occurs During Processing for and Recovery from Cryopreservation in Arabidopsis Thaliana Shoot Tips - (Abstract Only)
Basu, C., Volk, G.M., Bennett, A.A. 2006. Differential gene expression occurs during processing for and recovery from cryopreservation in arabidopsis thaliana shoot tips. American Society of Plant Biologists. August 5-9, 2006, Boston, Massachusetts. Meeting Abstract.
Probabilistic Models for Collecting Genetic Diversity: Comparisons, Caveats and Limitations - (Peer Reviewed Journal)
Lockwood, D., Richards, C.M., Volk, G.M. Probabilistic models for collecting genetic diversity: comparisons, caveats and limitations. Crop Science 47:859-866.
Calcium Channels Involved in Calcium Oxalate Crystal Formation - (Abstract Only)
Volk G.M. 2006. Calcium channels involved in calcium oxalate crystal formation. Meeting Abstract. International Symposium in Memory of Vincent R. Franceschi, June 9-10, 2006, Pullman, Washington. p. 21.
Triacylglycerol Phase and Seed Storage Behavior - (Abstract Only)
Walters, C.T., Crane, J., Volk, G.M. 2006. Triacylglycerol phase and seed storage behavior. 17th International Symposium on Plant Lipids. July 16-21, 2006, East Lansing, Michigan. p. 67. Meeting Abstract.
Massive Cellular Disruption Occurs During Early Imbibition of Cuphea Seeds Containing Crystallized Triacylglycerols - (Peer Reviewed Journal)
Volk, G.M., J. Crane, A.M. Caspersen, L.M. Hill, C.A. Gardner and C. Walters. 2006. Massive cellular disruption occurs during early imbibition of Cuphea seeds containing crystallized triacylglycerols. Planta 224:1415-1426.
Implementation of Garlic Cryopreservation Techniques in the National Plant Germplasm System - (Peer Reviewed Journal)
Ellis, D.D., D. Skogerboe, C. Andre, B. Hellier and G.M. Volk. 2006. Implementation of garlic cryopreservation techniques in the National Plant Germplasm System. CryoLetters 27:99-106.
Genetic Diversity of Wild Pyrus Communis L. - (Abstract Only)
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.
Characterization of Wild Malus Populations Using Genotypic and Phenotypic Traits - (Abstract Only)
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.
Diversity and Characterization in USDA Malus and Tetraploid Cherry Germplasm in Geneva, NY - (Abstract Only)
Forsline, P.L., Aldwinckle, H., Iezzoni, A., Volk, G.M. 2006. Diversity and characterization in usda malus and tetraploid cherry germplasm in geneva, ny. Meeting Abstract. 3rd International Rosaceae Genomics Conference. Pg. 74.
Characterization of Wild Malus Populations Using Genotypic and Phenotypic Traits - (Abstract Only)
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.
Survival of Mint Shoot Tips after Exposure to Cryoprotectant Solutions Components - (Peer Reviewed Journal)
Volk, G.M., J.L. Harris and K.E. Rotindo. 2006. Survival of mint shoot tips after exposure to cryoprotectant solutions components. Cryobiology 52:305-308.
Wild Plant Sampling Strategies: the Roles of Ecology and Evolution - (Review Article)
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.
Preservation Methods for Jerusalem Artichoke Cultivars. - (Peer Reviewed Journal)
Volk, G.M. and K.M. Richards. 2006. Preservation methods for Jerusalem artichoke cultivars. HortScience 41(1):80-83.
Diversity of Wild Pyrus Communis Based on Microsatellite Analyses - (Peer Reviewed Journal)
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) - (Abstract Only)
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 - (Abstract Only)
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.
Plant Vitrification Solution 2 (Pvs2) Lowers Water Content and Alters Freezing Behavior in Shoot Tips During Cryoprotection - (Peer Reviewed Journal)
Volk, G.M. and C. Walters. 2006. Plant vitrification solution 2 lowers water content and alters freezing behavior in shoot tips during cryoprotection. Cryobiology 52:48-61.
Genetically Similar Garlic Varieties - (Popular Publication)
Volk, G.M. 2005. Genetically similar garlic varieties. The Garlic Press 45:7.
Ultrastructural Changes in Mint Meristems During the Cryopreservation Process - (Abstract Only)
Volk, G.M., Caspersen, A.M. Ultrastructural changes in mint meristems during the cryopreservation process. In: Symposium Series Meristems, June 2-5, 2005, Ames, Iowa. p. 21.
Cryopreservation of 12 Allium Sativum (Garlic) Accessions: a Comparison of Plant Vitrification Solutions (Pvs2) and Pvs3 - (Abstract Only)
Ellis, D.D., D.M. Skogerboe, C.G. Andre, B.C. Hellier, and G.M. Volk, 2005. Cryopreservation of 12 allium sativum (garlic) accessions: a comparison of plant vitrification solutions (pvs2) and pvs3. In Vitro Cellular and Developmental Biology - Plants. June 5-7, 2005, Baltimore, Maryland. p. 11-12. Meeting Abstract.
Cryopreservation of Arabidopsis Thaliana Shoot Tips. - (Abstract Only)
Towill, L.E., Volk, G.M. 2005. Cryopreservation of arabidopsis thaliana shoot tips [abstract]. Hortscience. 40(4):1067
Genetic Diversity of Garlic - (Proceedings)
Stern, D., Volk, G.M. 2005. Genetic diversity of garlic. Symposium Proceedings. Mid-Atlantic Vegetable Conference, Hershey Pennsylvania, Feb 03, 2005.
Ex Situ Conservation of Vegetatively-Propagated Species: Development of a Seed-Based Core Collection for Malus Sieversii - (Peer Reviewed Journal)
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.
The Cryopreservation Process Induces Plasmolysis in Mint Shoot Tips - (Abstract Only)
Volk, G.M., Caspersen, A.M. 2004. The cryopreservation process induces plasmolysis in mint shoot tips. Plasmodesmata 2004. August 17-21, 2004.Monterey, CA. p.118.
Soybean Canopy Gas Exchange Reates: Effects of Lighting - (Peer Reviewed Journal)
Wheeler, R., C. Kenneth, G.M. Volk, C. Mackowiak, N.C. Yorio, and J.C. Sager. Soybean canopy gas exchange rates: Effects of lighting. Ecological Engineering 16(3):209-214.
Cryopreservation of Garlic (Allium Sativum L.) Using Plant Vitrification Solution 2 - (Peer Reviewed Journal)
Volk G.M., N. Maness, and K. Rotindo. 2004. Crypreservation of garlic (Allium sativum L.) using plant vitrification solution 2. CryoLetters 25:219-226.
How Many Garlics Are There? - (Trade Journal)
Volk, G.M., A.D. Henk and C.M. Richards. 2004. How many garlics are there? The Garlic Press 44:5-8.
Calcium Channels Are Involved in Calcium Oxalate Crystal Formation in Specialized Cells of Pistia Stratiotes L. - (Peer Reviewed Journal)
Volk G.M., L.J. Goss, V.R. Franceschi. 2004. Calcium channels are involved in calcium oxalate crystal formation in specialized cells of Pistia stratiotes L. Annals of Botany 93:741-753.
Genetic Diversity among Us Garlic Clones As Detected Using Aflp Methods - (Peer Reviewed Journal)
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.
Low Temperature Storage of Varietal Garlics - (Peer Reviewed Journal)
Volk G.M., K. Rotindo and W. Lyons. 2004. Low-temperature storage of garlic for spring planting. HortScience (39)3:571-573.
Fresh Garlic in the Spring? Cold Storage May Be the Answer! - (Trade Journal)
Cross K, G. Volk and W. Lyons. 2004. Fresh garlic in the spring? Cold storage may be the answer. The Garlic Press 43:16.
Spring Planting of Garlic - (Trade Journal)
Cross K, G. Volk and W. Lyons. 2004. Spring planting of garlic. The Garlic Press 43:17.
Diversity of Garlic Accessions Within the National Plant Germplasm System - (Abstract Only)
Volk, G.M., Henk, A.D., Richards, C.M. 2003. Diversity of garlic accessions within the national plant germplasm system. HortScience. 2003. 38:736.
Galactinol Synthase Gene Expression in Melon - (Peer Reviewed Journal)
VOLK, G.M., HARITATOS, E.E., TURGEON, R. GALACTINOL SYNTHASE GENE EXPRESSION IN MELON. AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE. 2003. Vol. 128:p.8-15.
Preservation of Genetic Resources in the National Plant Germplasm Clonal Collections - (Review Article)
Volk, G.M. and C. Walters. 2003. Preservation of genetic resources in the national plant germplasm clonal collections. Plant Breeding Reviews 23:291-344.
Garlic Storage Research - (Trade Journal)
VOLK, G.M. GARLIC STORAGE RESEARCH. GARLIC PRESS. 2002. v.40.p.17
Vegetatively Propagated Collections in the U.S. National Plant Germplasm System. - (Abstract Only)
Volk, G.M., Walters, C. 2002. Vegetatively propagated collections in the U.S. national plant germplasm system. Cryobiology. 39th Meeting of the Society for Cryobiology, July 28-31, 2002, Breckenridge, Colorado. p.151.
Improvement of Varietal Garlic Viability by Cold Storage - (Abstract Only)
Cross, K.E., Volk, G.M. 2002. Improvement of varietal garlic viability by cold storage. Colorado State University Undergraduate Research: Creative Symposium, April 23, 2002, Fort Collins, Colorado. p.17.
Comparison of DNA Extraction Methods for Genetic Analysis of Garlic - (Abstract Only)
Harris, J., Henk, A.D., Volk, G.M. Comparison of dna extraction methods for genetic analysis of garlic. Colorado State University Undergraduate Research: Creative Symposium, April 23, 2002, Fort Collins, Colorado. p.60.
Genetic Variability among Accessions of Garlic in the USDA National Plant Germplasm System - (Abstract Only)
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.
The Role of Druse and Raphide Calcium Oxalate Crystals in Tissue Calcium Regulation in Pistia Stratiotes Leaves - (Peer Reviewed Journal)
Volk, G.M., V. Lynch-Holm, T.A. Kostman, and V.R. Franceshi. 2002. The role of druse and raphide calcium oxalate crystals in tissue calcium regulation in Pistia stratiotes leaves. Plant Biology 4:34-45.
ARS News Articles
Last Modified: 12/20/2014
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