Publications (Clicking on the reprint icon will take you to the publication reprint.)

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. 875 p.

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.

Plum and Plum hybrids - (Literature Review)

Ramming, D.W. 2008. Plum and Plum hybrids. HortScience 45:(5):1335-1336.

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)

‘Thomcord’ grape - (Peer Reviewed Journal)

Ramming, D.W. 2008. ‘Thomcord’ grape. HortScience 43(3)945-946.

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.

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.

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

The USDA/ARS Grape Breeding Program at Parlier, CA - (Proceedings)

Ramming, D.W. 2007. The USDA/ARS Grape Breeding Program at Parlier, CA. Proceedings. First Annual National Viticulture Research Conference, July 18-20, 2007, Davis, California. p. 73-74.

Water Loss from Fresh Berries of Raisin Varieties under Controlled Drying Conditions - (Abstract Only)

Ramming, D.W. 2007. Water Loss from Fresh Berries of Raisin Varieties under Controlled Drying Conditions. American Society of Enology and Viticulture Annual Meeting Abstracts.

Large Variation Found in the Phytochemical and Antioxidant Activity of Peach and Plum Germplasm - (Peer Reviewed Journal)

Vizzotto, M., Cisneros-Zevallos, L., Byrne, D., Okie, W.R., Ramming, D.W. 2007. Large Variation Found in the Phytochemical and Antioxidant Activity of Peach and Plum Germplasm. Journal of the American Society for Horticultural Science. 132(3):334-340.

RECENTLY RELEASED USDA/ARS GRAPE VARIETIES - (Proceedings)

Ramming, D.W. 2006. Recently Released USDA/ARS Grape Varieties.Grape Day 2006 Symposium Proceedings.p. 20-27

PLUM AND PLUM HYBRIDS - (Peer Reviewed Journal)

Ramming, D.W. 2006. Plum and Plum Hybrids. HortScience. 41(50):1120-1122

BREEDING TABLE AND RAISIN GRAPES WITH INCREASED FRUIT QUALITY WHILE RETAINING PIERCE'S DISEASE RESISTANCE - (Abstract Only)

Ramming, D.W., Walker, A., Tenscher, A., Krivanek, A.F. 2006. Breeding Table and Raisin Grapes with Increased Fruit Quality While Retaining Pierce's Disease Resistance. 9th International Conference on Grape Genetics and Breeding [abstract]. p. 132 (5.132) . Meeting Abstract.

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.

USDA TABLE GRAPE CULTIVARS AND ADVANCED SELECTIONS. - (Proceedings)

Ramming, D.W. 2005. USDA Table Grape Cultivar Advanced Selections. Proceedings of the Coachella Valley Table Grape Seminar. No volume, issue or page numbers.

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.

NOTICE TO FRUIT GROWERS AND NURSERYMEN OF THE RELEASE OF AUTUMN KING GRAPE. - (Germplasm Release)

Ramming, D.W. 2005. Notice to fruit growers and nurserymen of the release of Autumn King grape. Agricultural Research Service Publication.

NOTICE TO FRUIT GROWERS AND NURSERYMEN OF THE RELEASE OF SCARLET ROYAL GRAPE. - (Germplasm Release)

Ramming, D.W. 2005. Notice to fruit growers and nurserymen of the release of Scarlet Royal grape. Agricultural Research Service Publication.

'GALAXY' PEENTO PEACH - (Peer Reviewed Journal)

Ramming, D.W. 2005. 'Galaxy' Peento Peach. HortScience. 40(6)1921-1922

GRAPEVINE DENOMINATED 'AUTUMN KING' - (Patent Application)

Ramming, D.W., Tarailo, R.E. 2006. Grapevine Denominated 'Autumn King'. U.S. Patent 16,284.

GRAPEVINE DENOMINATED 'SCARLET ROYAL' - (Patent Application)

Ramming, D.W., Tarailo, R.E. 2006. Grapevine Denominated 'Scarlet Royal'. U.S.Patent 16,284.

IN OVULE CULTURE SUCCESS AS AFFECTED BY SUGAR SOURCE AND FRUIT STORAGE DURATION FOR NECTARINE EMBRYOS - (Peer Reviewed Journal)

Anderson, N., Byrne, D.H., Ramming, D.W. 2006. In ovule culture success as affected by sugar source and fruit storage duration for nectarine embryos. Acta Horticulturae. 713:89-92.

TOTAL PHENOLIC, CAROTENOIDS, AND ANTHOCYANIN CONTENT AND ANTIOXIDANT ACTIVITY OF PEACH AND PLUM GENOTYPES - (Peer Reviewed Journal)

Vizzotto, M., Cisneros-Zevallos, L., Byrne, D., Okie, W.R., Ramming, D.W. 2006. Total phenolic, carotenoids, and anthocyanin content and antioxidant activity of peach and plum genotypes. Acta Horticulturae. 713:453-455.

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.

APPLICATION OF A MOLECULAR MARKER FOR BERRY SEED SIZE TO TWO POPULATIONS OF GRAPEVINES (VITIS SPECIES) DEVELOPED IN A BREEDING PROGRAM - (Abstract Only)

Ryan, F.J., Ramming, D.W. 2005. Application of a molecular marker for berry seed size to two populations of grapevines (vitis species) developed in a breeding program. [abstract]. HortScience 40 (4):1069

VITICULTURAL PERFORMANCE OF THOMPSON SEEDLESS GRAPEVINES ON NEW USDA-ARS ROOTSTOCK FOR RAISIN PRODUCTION IN THE SAN JOAQUIN VALLEY OF CALIFORNIA. - (Abstract Only)

Gu, S., Ramming, D.W. 2005. Viticultural performance of thompson seedless grapevines on new USDA-ARS rootstock for raisin production in the San Joaquin Valley. [Abstract] American Society of Enology and Viticulture 56th Annual Meeting. p.51.

VITICULTURAL PERFORMANCE OF SYRAH GRAPEVINES ON NEW USDA-ARS ROOTSTOCK FOR WINE PRODUCTION IN THE SAN JOAQUIN VALLEY OF CALIFORNIA - (Abstract Only)

Gu, S., Ramming, D.W. 2005. Viticultural performance of syrah grapevines on new USDA-ARS rootstock for winegrape production in the San Joaquin Valley. [Abstract] American Society of Enology and Viticulture 56th. Annual Meeting. p. 50.

EFFECTS OF PRUNING, GIRDLING, AND GIBBERELLIC ACID APPLICATION AT BLOOM AND BERRY SET ON YIELD AND FRUIT QUALITY OF SWEET SCARLET TABLE GRAPE CULTIVAR. - (Abstract Only)

Badr, S.A., Tufenkjian, John, and Ramming, D.W. 2005. Effects of pruning, girdling, and gibberellic acid application at bloom and berry set on yield and fruit quality of sweet scarlet table grape cultivar [abstract]. American Society of Enology and Viticulture Annual Meeting. p.47.

SCARLET ROYAL, AUTUMN KING, SWEET SCARLET AND PROMISING TABLE GRAPE SELECTIONS. - (Proceedings)

Ramming, D.W. 2005. Scarlet royal, autumn king, sweet scarlet and promising table grape selections. Proceedings for the San Joaquin Valley Table Grape Seminar.

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.

RESEARCH YIELDS SIZE-CONTROLLING ROOTSTOCKS FOR PEACH PRODUCTION. - (Popular Publication)

Dejong, T.M., Johnson, R.S., Doyle, J.F., Ramming, D.W. 2005. Research yields size-controlling rootstocks for peach production. California Agriculture. 59:(2):80-83

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.

PEACH AND NECTARINE ROOTSTOCK NAMED 'K146-43' - (Other)

Dejong, T.M., Ramming, D.W., Johnson, R., Doyle, J. 2004. Peach and nectarine rootstock named 'K146-43'. Patent Application. Serial No. 10/438,487.

PEACH AND NECTARINE ROOTSTOCK NAMED 'P30-135'. - (Other)

Dejong, T.M., Ramming, D.W., Johnson, R., Doyle, J. 2004. Peach and nectarine rootstock named 'P30-135'. Patent Application. Serial Number 10/438,965.

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.

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.