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United States Department of Agriculture

Agricultural Research Service

Related Topics

Craig A Ledbetter
Crop Diseases, Pests and Genetics
Research Geneticist

Phone: (559) 596-2817
Fax: (559) 596-2921
9611 S. RIVERBEND AVE.
PARLIER, CA, 93648

Projects
Epidemiology and Management of Pierce's Disease and Other Maladies of Grape
Appropriated (D)
  Accession Number: 422946
Genetic Improvement of Prunus and Vitis Scions and Rootstocks for Fruit Quality and Pest Resistance
Appropriated (D)
  Accession Number: 425023
Accelerating Grape Cultivar Improvement via Phenotyping Centers and Next Generation Markers
Reimbursable (R)
  Accession Number: 422746
Development of Seedless Grapes for the Fresh Market Including Types Resistant to Powdery Mildew
Trust (T)
  Accession Number: 426861

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Register of new fruit and nut varieties list 47 - (Literature Review) - (11-Mar-14)
Membership within the Nonpareil Marketing Group: Examination of an unclassified accession - (Peer Reviewed Journal)
Ledbetter, C.A., Sisterson, M.S. 2014. Membership within the Nonpareil Marketing Group: Examination of an unclassified accession. Acta Horticulturae. 1028:397-400.
Progress in cryopreservation of dormant winter buds of selected tree species - (Abstract Only)
Jenderek, M.M., Ambruzs, B.D., Tanner, J.D., Holman, G.E., Ledbetter, C.A., Ellis, D., Leslie, C., Coggeshall, M. 2013. Progress in cryopreservation of dormant winter buds of selected tree species. Meeting Abstract. 2nd International Symposium on Plant Cryopreservation, Fort Collins, CO, August 11-16, 2013. pp. 37.
Distinguishing nonpareil marketing group almond cultivars through multivariate analyses - (Peer Reviewed Journal)
Ledbetter, C.A., Sisterson, M.S. 2013. Distinguishing nonpareil marketing group almond cultivars through multivariate analyses. Journal of Food Science. 78(9):S1430-S1436.
Yield, pollination aspects and kernel qualities of almond (Prunus amygdalus Batsch) selections trialed in the Southern San Joaquin Valley - (Peer Reviewed Journal)
Ledbetter, C.A., Mercure, E., Halasz, J., Hegedus, A. 2013. Yield, pollination aspects and kernel qualities of almond (Prunus amygdalus Batsch) selections trialed in the Southern San Joaquin Valley. Journal of American Pomological Society. 67(3):126-136.
Activated biochar removes 100% dibromochloropropane from field well water - (Peer Reviewed Journal)
Klasson, K.T., Ledbetter, C.A., Uchimiya, M., Lima, I.M. 2013. Activated biochar removes 100% dibromochloropropane from field well water. Environmental Chemistry Letters. 11(3):271-275.
Phenology of Xylella fastidiosa and its vector around California almond nurseries: An assessment of plant vulnerability to almond leaf scorch disease - (Peer Reviewed Journal)
Krugner, R., Ledbetter, C.A., Chen, J., Shrestha, A. 2012. Phenology of Xylella fastidiosa and its vector around California almond nurseries: An assessment of plant vulnerability to almond leaf scorch disease. Plant Disease. 96(10):1488-1494.
Management of almond leaf scorch disease: long term data on yield, tree vitality, and disease progress - (Peer Reviewed Journal)
Sisterson, M.S., Ledbetter, C.A., Higbee, B., Groves, R., Chen, J., Daane, K. 2012. Management of almond leaf scorch disease: long term data on yield, tree vitality, and disease progress. Plant Disease. 96:1037-1044.
Discriminating Nonpareil marketing group almond cultivars through multivariate analyses - (Abstract Only) - (09-Feb-12)
Phenology of Xylella fastidiosa and its Vector, Draeculacephala minerva, in vegetation surrounding California Almond Nurseries - (Abstract Only)
Krugner, R., Ledbetter, C.A., Chen, J., Shrestha, A. 2012. Phenology of Xylella fastidiosa and its Vector, Draeculacephala minerva, in vegetation surrounding California Almond Nurseries. Entomological Society of America Proceedings, Pacific Branch Meting, March 25-28, 2012, Portland, Oregon. p. 21.
Register of new fruit and nut varieties list 46 - (Peer Reviewed Journal)
Ledbetter, C.A. 2012. Register of new fruit and nut varieties list 46. HortScience. 47(5):536-562.
Postharvest dried apricot color degradation of three California apricot accessions - (Abstract Only)
Ledbetter, C.A. 2012. Postharvest dried apricot color degradation of three California apricot accessions. Meeting Abstract. 966:163-168.
Postharvest dried apricot color degradation of three California apricot accessions - (Peer Reviewed Journal)
Ledbetter, C.A. 2012. Postharvest dried apricot color degradation of three California apricot accessions. Acta Horticulturae. 966:163-168.
Corrigendum to “Feasibility of dibromochloropropane (DBCP) and trichloroethylene (TCE) adsorption onto activated carbons made from nut shells of different almond varieties” [Ind. Crops Prod. 31 (2) (2010) 261-265] - (Other)
Klasson, K.T., Ledbetter, C.A., Wartelle, L.H., Lingle, S.E. 2011. Corrigendum to “Feasibility of dibromochloropropane (DBCP) and trichloroethylene (TCE) adsorption onto activated carbons made from nut shells of different almond varieties” [Ind. Crops Prod. 31 (2) (2010) 261-265]. Industrial Crops and Products. 33(2):783.
Predicting performance of almonds shells for cleanup of almond soil fumigants from potable water. - (Abstract Only) - (10-Dec-10)
Carpological variability of almond (Prunus dulcis [Mill.] D.A. Webb cv Nonpareil) in a single orchard during seven consecutive harvests - (Peer Reviewed Journal)
Ledbetter, C.A., Sisterson, M.S. 2010. Carpological variability of almond (Prunus dulcis [Mill.] D.A. Webb cv Nonpareil) in a single orchard during seven consecutive harvests. HortScience. 45(12):1788-1792.
Apricot Breeding - (Book / Chapter)
Zhebentyayeva, T., Ledbetter, C.A., Burgos, L., Llacer, G. 2012. Apricots. In: Badenes, M.L., Byrne, P.H., editors. Fruit Breeding, Handbook of Plant Breeding, Vol. 8. Available: http://dx.doi.org/10.1007/978-1-4419-0763-12. Springer Science & Business Media. p.875
Register of New Fruit and Nut Varieties List 45 - (Peer Reviewed Journal)
Ledbetter, C.A. 2010. Register of New Fruit and Nut Varieties List 45. HortScience. 45(5):716-756.
Epidemiology of almond leaf scorch disease in the San Joaquin Valley of California - (Abstract Only)
Sisterson, M.S., Chen, J., Daane, K., Groves, R., Higbee, B., Ledbetter, C.A. 2010. Epidemiology of almond leaf scorch disease in the San Joaquin Valley of California. Phytopathology. 100:S119.
The Flavor of Plums - (Book / Chapter)
Gomez-Plaza,, E., Ledbetter, C.A. 2010. The Flavor of Plums. In: Handbook of Fruit and Vegetable Flavors. John Wiley & Sons, Inc. p. 415-430.
Variable development rate and survival of navel orangeworm (Lepidoptera: Pyralidae) on wheat bran diet and almonds - (Peer Reviewed Journal)
Siegel, J.P., Kuenen, L.P., Ledbetter, C.A. 2010. Variable development rate and survival of navel orangeworm (Lepidoptera: Pyralidae) on wheat bran diet and almonds. Journal of Economic Entomology. 103(4):1250-1257.
‘Bolaroja’ and ‘Primarosa’: Two New Mid Season Apricots for the Fresh Market - (Peer Reviewed Journal)
Ledbetter, C.A. 2010. ‘Bolaroja’ and ‘Primarosa’: Two New Mid Season Apricots for the Fresh Market. HortScience. 45(3): 441-442.
Feasibility of dibromochloropropane (DBCP) and trichloroethylene (TCE) adsorption onto activated carbons made from nut shells of different almond varieties Reprint Icon - (Peer Reviewed Journal)
Klasson, K.T., Ledbetter, C.A., Wartelle, L.H., Lingle, S.E. 2010. Feasibility of dibromochloropropane (DBCP) and trichloroethylene (TCE) adsorption onto activated carbons made from nut shells of different almond varieties. Industrial Crops and Products. 31:261-265.
Differential Susceptibility of Prunus Germplasm (Subgenus Amygdalus) to a California Strain of Xylella fastidiosa - (Peer Reviewed Journal)
Ledbetter, C.A., Rogers, E.E. 2009. Differential Susceptibility of Prunus Germplasm (Subgenus Amygdalus) to a California Strain of Xylella fastidiosa. HortScience. 44(7):1928-1931.
Apricot Breeding in North America: Current Status and Future Prospects - (Peer Reviewed Journal)
Ledbetter, C.A. 2010. Apricot Breeding in North America: Current Status and Future Prospects. Acta Horticulturae. 862:85-91.
Wintercuring of Prunus dulcis cv ‘Butte,’ P. webbii and their interspecific hybrid in response to Xylella fastidiosa infections - (Peer Reviewed Journal)
Ledbetter, C.A., Chen, J., Livingston, S., Groves, R.L. 2009. Wintercuring of Prunus dulcis cv ‘Butte,’ P. webbii and their interspecific hybrid in response to Xylella fastidiosa infections. Euphytica. Available: http://www/springerlink.com/content/80775k3135586p81/fulltext.html
Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi - (Proceedings)
Hua, S.T., Browne, G.T., Ledbetter, C.A. 2008. Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi. Almond Industry 2008 Conference Proceedings. p.91-94.
Susceptibility of certain apricot and plumcot cultivars to plum pox virus infection. Reprint Icon - (Peer Reviewed Journal)
Karayiannis,, I., Ledbetter, C.A. 2009. Susceptibility of certain apricot and plumcot cultivars to plum pox virus infection. Acta Horticulturae. (ISHS)825:153-156.
Almond breeding and evaluation activities in central California: past and future - (Peer Reviewed Journal)
Ledbetter, C.A. 2010. Almond breeding and evaluation activities in central California: past and future. Options Mediterraneennes. 94:255-260.
The development of seed-propagated peach-almond hybrids for use as almond rootstocks (Oral presentation) - (Abstract Only) - (02-Apr-08)
Register of New Fruit and Nut Varieties List 44 - (Peer Reviewed Journal)
Ledbetter, C.A. 2008. Register of New Fruit and Nut Varieties List 44. HortScience 43(5):1321-1343.
Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi - (Proceedings)
Hua, S.T., Browne, G.T., Ledbetter, C.A. 2007. Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi. Meeting Proceedings.
Shell Cracking Strength in Almond (Prunus dulcis [Mill.] D.A. Webb.)and its implication in uses as a value-added product. - (Peer Reviewed Journal)
Ledbetter, C.A. 2008. Shell Cracking Strength in Almond (Prunus dulcis [Mill.] D.A. Webb.)and its implication in uses as a value-added product. Bioresource Technology. 99(13): 5567-5573.
Effects of Almond Leaf Scorch Disease on Almond Yield and Implications for Management - (Peer Reviewed Journal)
Sisterson, M.S., Chen, J., Civerolo, E.L., Ledbetter, C.A., Groves, R.L. 2008. Effects of Almond Leaf Scorch Disease on Almond Yield and Implications for Management. Plant Disease 92:409-414.
Apricot variety development in California's San Joaquin Valley - (Abstract Only)
Ledbetter, C.A. 2007. Apricot variety development in California's San Joaquin Valley. Eucarpia Fruit Breeding and Genetics Symposium. 12th Annual Meeting, Zaragoza, Spain, September 16-20, 2007, (abstracts of meeting not published).
The use of Central Asian apricot germplasm to improve fruit quality in California adapted apricots. - (Abstract Only)
Ledbetter, C.A. 2007. The use of Central Asian apricot germplasm to improve fruit quality in California adapted apricots. Eucarpia Fruit Breeding and Genetics Symposium, 12th Annual Meeting, Zaragoza, Spain, September 16-20, 2007, (abstracts of meeting not published).
Using Central Asian germplasm to Improve Fruit Quality and Enhance Diversity in California Adapted Apricots - (Peer Reviewed Journal)
Ledbetter, C.A. 2009. Using Central Asian germplasm to Improve Fruit Quality and Enhance Diversity in California Adapted Apricots. Acta Horticulturae. 814:77-80.
Advanced Generation Peach-Almond Hybrids as Seedling Rootstocks for Almond: First Year Growth and Potential Pollenizers for Hybrid Seed Production - (Peer Reviewed Journal)
Ledbetter, C.A., Sisterson, M.S. 2007. Advanced Generation Peach-Almond Hybrids as Seedling Rootstocks for Almond: First Year Growth and Potential Pollenizers for Hybrid Seed Production. Euphytica. 160(2): 259-266.
Breeding of Apricot - (Book / Chapter)
Ledbetter, C.A. 2008. Breeding of Apricot. In: Temperate Fruit Crop Breeding Germplasm to Genomics. ISBN 1402069065
Susceptibility of Prunus rootstock seedlings to Xylella fastidiosa strains isolated from almond in California - (Abstract Only)
Chen, J., Ledbetter, C.A., Groves, R. 2007. Susceptibility of Prunus rootstock seedlings to Xylella fastidiosa strains isolated from almond in California. American Phytopathological Society, Annual Meeting, San Diego, CA, July 2007, (abstracts of meeting not published).
The Effect of Biosolids on Apricot Production after 7 Years of Application - (Peer Reviewed Journal)
Banuelos, G.S., Pasakdee, S., Benes, S., Ledbetter, C.A. 2007. The effect of biosolids on apricot production after 7 years of application. Communications in Soil Science and Plant Analysis, Volume 38, Issue 11 & 12, June 2007, pages 1533-1549.
Degradation of Almond Pellicle Color Coordinates at Different Storage Temperatures. - (Peer Reviewed Journal)
Ledbetter, C.A., Palmquist, D.E. 2006. Degradation of almond pellicle color coordinates at different storage temperatures. Postharvest Biology and Technology. 40(3):295-300.
Register of New Fruit and Nut Varieties List 43. - (Review Article)
Ledbetter, C.A. 2006. Register of New Fruit and Nut Varieties List 43.HortScience 41(5);1101-1133. . HortScience.
Modification of Sugar Profiles in California Adapted Apricots (Prunus Armeniaca L.)THROUGH Breeding with Central Asian Germplasm - (Peer Reviewed Journal)
Ledbetter, C.A., Peterson, S.J., Jenner, J.F. 2006. Modification of sugar profiles in California adapted apricots (Prunus armeniaca l.)through breeding with Central Asian germplasm. Euphytica. 148: 251-250
'apache' and 'kettleman': Two Early-Season Apricots for the Fresh Market. - (Peer Reviewed Journal)
Ledbetter, C.A., Peterson, S.J. 2005. 'Apache' and 'Kettleman': Two Early-Season Apricots for the Fresh Market. Hortscience. 40(7):2202-2203.
Comparing Physical Measures and Mechanical Cracking Products of 'nonpareil'almond (Prunus Dulcis [MILL.] D.A. Webb) with Two Advanced Breeding Selections. - (Peer Reviewed Journal)
Ledbetter, C.A., Palmquist, D.E. 2005. Comparing physical measures and mechanical cracking products of 'Nonpareil'almond (Prunus dulcis [Mill.] D.A. Webb) with two advanced breeding selections. Journal of Food Engineering. 76:232-237.
Notice to Fruit Growers and Nurserypersons of the Release of Kettleman Apricot. - (Germplasm Release)
Ledbetter, C.A. 2005. Notice to Fruit Growers and Nurserypersons of the Release of KETTLEMAN Apricot. Germplasm Release.
Register of New Fruit and Nut Varieties List 42. - (Review Article)
Ledbetter, C.A. 2004. Register of New Fruit and Nut Varieties List 42. HortScience. 39(6):1509.
Utilization of Pakistani Apricot (Prunus Armeniaca L.) Germplasm for Improving Brix Levels in California Adapted Apricots. - (Peer Reviewed Journal)
Ledbetter, C.A., Peterson, S.J. 2004. Utilization of Pakistani apricot (Prunus armeniaca L.) germplasm for improving Brix levels in California adapted apricots. Plant Genetic Resources Newsletter. 140:14-22.
The Effect of Fruit Maturity on Quality and Color Shift of Dried 'patterson' Apricot During Eight Months of Cold Storage - (Peer Reviewed Journal)
Ledbetter, C.A., Aung, L.A., Palmquist, D.E. The effect of fruit maturity on quality and colour shift of dried 'Patterson' apricot during eight months of cold storage. Journal of Horticultural Science and Biotechnology. 2002. v.77(5). p 526-533.
Evaluation of Advanced Almond (Prunus Amygdalus Batsch) Selections Relativeto the Commercial Almond Cultivars Mission, Nonpareil and Padre. I. Bloom Characteristics - (Peer Reviewed Journal)
Ledbetter, C.A., Palmquist, D.E. Evaluation of advanced almond (Prunus amygdalus Batsch) selections relative to the commercial almond cultivars Mission, Nonpareil and Padre. I. Bloom characteristics. Journal of Genetics and Breeding. 2002. v. 56. p. 43-49.
Evaluation of Advanced Almond (Prunus Amygdalus Batsch) Selections Relative to the Commercial Almond Cultivars Missions, Non Pareil and Padre. Ii. Vegetative and Carpological Characteristics. - (Peer Reviewed Journal)
Ledbetter, C.A., Palmquist, D.E. Evaluation of advanced almond (Prunus amygdalus Batsch) selections relative to the commercial almond cultivars Mission, Nonpareil and Padre. II. Vegetative and carpological characteristics
Register of New Fruit and Nut Varieties List 39. - (Review Article)
Ledbetter, C.A. 1999. Register of New Fruit and Nut Varieties List 39. HortScience. 34(2):183.
Phenylpropanoid Fingerprinting of Plum-Apricot Hybrids - (Abstract Only) - (27-Jul-96)
ARS News Articles
Last Modified: 9/21/2014