Gregory Reighard

Professor Emeritus of Horticulture
Visiting Professor of Horticulture
Horticulture Program Team, Plant and Environmental Sciences Department, Public Service Activities

Office: 161 Poole Ag Center
Phone: 864-710-2692
Fax: 864-656-4960

Email: grghrd@clemson.edu

Educational Background

Ph.D. Forestry
Michigan State University 1984

M.S. Biology
University of Michigan 1978

B.S. Forestry
Penn State University 1977

Courses Taught

Hort 4550_6550 Just Fruits (2013, 2016, 2022, 2024)

Profile

• Clemson University Assistant/Associate/Professor(1985-2017) Departments of Horticulture and Plant & Environmental Sciences
• Interim Chair of Plant & Environmental Sciences (2017)
• Professor Emeritus and Visiting Professor (2018-2024)
• Elected a Fellow of both the American Society for Horticultural Science (ASHS) and International Society for Horticultural Science (ISHS).
• Recipient of the highest research or service awards from the American Pomological Society (Wilder Medal), Clemson University CAFLS (Godley-Snell), Clemson University Extension Service Team Award, ASHS-Southern Region (Julian C. Miller Sr. Distinguished Researcher Award), ASHS Outstanding Cultivar Award, National Peach Council (Carroll R. Miller Award), South Carolina Peach Council (Mr. Peach Award), ISHS HortCongress Convener Medal, International Fruit Tree Association Research Award, and TV Educational Programming (Telly Award).

Research Interests

Current research involves developing protocols to mitigate the effects of warming winters due to Climate Change on peach production systems in the southern U.S. and testing new rootstock cultivars and selections for tolerance to Armillaria root rot fungus and Peach Tree Short Life.

Publications

Refereed Journal Articles

Cline, J. A., B. Black, E. Coneva, W. Cowgill, R. Crassweller, E. Fallahi, T. Kon, M. Muehlbauer, G.L. Reighard, and D.R. Ouellette. 2023. Performance of ‘Fuji’ apple trees on several size-controlling rootstocks in the 2014 NC-140 rootstock trial after eight years. J. Amer. Pomol. Soc. 77(4):226-243.

Devkota, P., A. Iezzoni, K. Gasic, G. Reighard and R. Hammerschmidt. 2023. Rapid in vitro screening of Prunus genotypes for resistance to Armillaria root rot using roots of young rootstocks. HortSci. 58(10):1163-1169. https://doi.org/10.21273/HORTSCI17196-23

Cai, L., Adelberg, J., J. Naylor-Adelberg, G. Schnabel, A. Calle, Z. Li, G. Reighard, K. Gasic, and C. A. Saski. 2023. Transcriptomics reveal the genetic coordination of early defense to Armillaria root rot (ARR) in Prunus spp. Front. Plant Sci. 14:1181153, 15 pp. DOI 10.3389/fpls.2023.1181153

Reighard, G.L. 2021. Prosper Berckmans & Sons legacy to southeastern peaches and the Masters golf course. J. Amer. Pomol. Soc. 75(2): 102-114. http://www.pubhort.org/aps/75/v75_n2_a7.htm

Adelberg, J., J. Naylor-Adelberg, S. Miller, K. Gasic, G. Schnabel, P. Bryson, C. Saski, S. Parris and G. Reighard. 2021. In vitro co-culture system for Prunus spp. and Armillaria mellea in phenolic foam rooting matric. In Vitro Cellular & Developmental Biology- Plant. Online Jan. 6, 2021. 11 pp. https://doi.org/10.1007/s11627-020-10136-2

Black, B., I.S. Minas, G.L. Reighard and T. Beddes. 2021. Alkaline soil tolerance of rootstocks included in the NC-140 ‘Redhaven’ peach trial. J. Amer. Pomol. Soc. 75(1): 9-16. http://www.pubhort.org/aps/75/v75_n1_a2.htm

Schnabel, G., Hu, M., Melgar, J.C. and Reighard, G.L. 2021. What we know and do not know about a peach skin bronzing disorder. Acta Hortic. 1304: 283-288. https://doi.org/10.17660/ActaHortic.2021.1304.39

Reighard, G.L. 2020. Strategies for producing temperate tree fruit under increasing winter temperatures. Acta Hortic. 1281: 449-454. https://doi.org/10.17660/ActaHortic.2020.1281.59

Li, Z., R.K. Gallardo, V. McCracken, C. Yue, K. Gasic, G. Reighard, and J. R. McFerson. 2020. United States Southeastern Peach Growers Preferences for Fruit Size and External Color Versus Resistance to Brown Rot Disease. HortTechnology 30(5): 576-584. https://doi.org/10.21273/HORTTECH04667-20

Devkota, P., A. Iezzoni, K. Gasic, G. Reighard and R. Hammerschmidt. 2020. Evaluation of the susceptibility of Prunus rootstock genotypes to Armillaria and Desarmillaria species. European J. Plant Pathology, 19 p. https://doi.org/10.1007/s10658-020-02065-y

Miller, S.B., K. Gasic, G.L. Reighard, G.W. Henderson, P.A. Rollins, M. Vassalos and G. Schnabel. 2020. Preventative root-collar excavation reduces peach tree mortality caused by Armillaria root rot on replant sites. Plant Disease 104 (5): 1274-1279. https://doi.org/10.1094/PDIS-09-19-1831-RE

Reighard, G.L., W. Bridges, Jr., D. Archbold, A. Atucha, W. Autio, T. Beckman, B. Black, D.J. Chavez, E. Coneva, K. Day, P. Francescatto, M. Kushad, R.S. Johnson, T. Lindstrom, J. Lordan, I.S. Minas, D. Ouellette, M. Parker, R. Pokharel, T. Robinson, J. Schupp, M. Warmund, and D. Wolfe. 2020. Nine-year rootstock performance of the NC-140 ‘Redhaven’ peach trial across 13 states. J. Amer. Pomol. Soc. 74(1): 45-56.

Frankel, C., R.D. Belding, G.R. Williams-Lokaj and G.L. Reighard. 2020. Oxygen and ethylene-induce germination in dormant peach seeds. European Journal of Horticulture 85(3): 176-181. https://doi.org/10.17660/eJHS.2020/85.3.5

Reighard, G.L., W.G. Henderson and D. Ouellette. 2019. Prunus rootstock testing for peach tolerance to Pseudomonas and Armillaria diseases in South Carolina. Acta Hortic. 1242:357-362.

Melgar, J.C. and K. Gasic. 2019. Dr. Gregory L. Reighard – 2018 Wilder Medal Recipient. J. Amer. Pomol. Soc.73(3):195-196.

Reighard, G.L., W.G. Henderson, S.O. Scott and S.A. Subbotin. 2019. First report of the root-knot nematode, Meloidogyne floridensis infecting Guardian® peach rootstock in South Carolina, USA. J. Nematology 51: 3 pp. DOI: 10.21307/jofnem-2019-061.

Souza, F., E. Alves, R. Pio, E. Castro, G. Reighard, A.I. Friere, N.A. Mayer and R. Pimental. 2019. Influence of temperature on the development of peach fruit in a subtropical climate region. Agronomy 2019, 9, 20; doi:10.3390/agronomy9010020.

Marini, R.P.. E. Fallahi, P. Francescatto, J. Lordan, M.J. Newall, D. Ouellette, G. Reighard, T.L. Robinson and D. Wolfe. 2018. The NC-140 multi-location peach physiology trial: relationships between peach fruit weight, crop density and early season temperature. J. Amer. Pomol. Soc. 72(4):231-241.

Zhebentyayeva, T., G. Reighard, B. Krska, V. M. Gorina, and A.G. Abbott. 2018. Origin of resistance to Plum pox virus in apricot: microsatellite (Ssr) data analysis. February 2018 Plant Protection Science 38(SI 1 - 6th Conf EFPP 2002):117-121 DOI10.17221/10333-PPS

Abdelghafar A., Burrell, R., Reighard G. and Gasic K. 2018. Antioxidant capacity and bioactive compounds accumulation in modern peach breeding germplasm. J. American Pomological Society 72(1):40-69.

Reighard, G.L., W. Maffit, T. Feng, F. Bittencourt de Souza, C. Saski, R. Pio and K. Gasic. 2018. Early thinning of peach fruit influences expression of cell growth and expansion genes. Acta Hortic. 1229:93-100.

Reighard, G.L., Bridges, W., Archbold, D., Atucha, A., Autio, W., Beckman, T., Black, B., Chavez, D., Coneva, E., Day, K., Kushad, M., Johnson, R.S., Lindstrom, T., Lordan, J., Minas, I., Ouelette, D., Parker, M.L., Pokharel, R., Robinson, T.L., Schupp, J., Warmund, M. and Wolfe, D. 2018. Rootstock performance in the 2009 NC-140 peach trial across 11 States. Acta Hortic. 1228:181-186.

Fisk, C.L., C. Tu, D.F. Ritchie, M.L. Parker and G. Reighard. 2018. Rootstock effect on soil ecology in a young peach orchard. Acta Hortic. 1228:265-272.

Parker, M., D. Ritchie, G. Reighard, B. Clark and R. M. West. 2018. Peach rootstock differences in tree survival from bacterial canker in the Southeastern United States. Acta Hortic. 1228:259-264.

Burrell, R.E. and G.L. Reighard. 2017. Late dormant pruning affects split pit incidence in peach. Acta Hort. 1177:157-163.

Abdelghafar, A., K. Gasic and G. Reighard. 2017. Antioxidant capacity and phytochemical content of modern peach germplasm. Acta Hort 1172:133-136.

Reighard, G.L., F. Souza and R. Pio. 2017. Peach Cell Number and Size is affected by Crop Load and Cultivar. Acta Hort 1160:357-359.

Bittencourt, F.M.S., R. Pio, J.P.R.A.D. Barbosa, G.L. Reighard, M.H. Tadeu and P.N. Curi. 2017. Adaptability and stability of reproductive and vegetative phases of peach trees in subtropical climate. Acta Scientiarum 39(4): 427-435.

Bittencourt Machado de Souza, F., R. Pio, M. H. Tadeu, C. R. Zambon and G. L. Reighard. 2017. Boric acid in germination of pollen grains and fruit set of peach cultivars in subtropical region. Revista Ciencia Agronomica 48(3):496-500.

Marini, R.P., W.R. Autio, B. Black, J. Cline, W.P. Cowgill, Jr., R.M. Crassweller, C. Hampson, M.M. Kushad, R. Moran, M. Parker, R.L. Perry, G.L. Reighard, T. Robinson, and D. Wolfe. 2016. Time Required for Classifying Rootstock Vigor in Multi-location Rootstock Trails. J. Amer. Pomol. Soc. 70(2):82-91.

Gasic, K., A. Abdelghafar, G.L. Reighard, J. Windham and M. Ognjanov. 2016. Fruit Maturity affects Fruit Quality and Bioactive Compound Accumulation in Peach. Acta Hort 1119:197-201.

Reighard, G.L., N.A. Mayer, W. Bridges, Jr. and M. Glenn. 2016. Carbon to Nitrogen Ratio in Peach Bark and Incidence of Bacterial Canker. Acta Hort 1130:341-349.

Bielenberg, D.L., B. Rauh, S. Fan, K. Gasic, A.G. Abbott, G.L. Reighard, W.R. Okie and C.E. Wells. 2015. Genotyping by sequencing for SNP-based linkage map construction and QTL analysis of chilling requirement and bloom date in peach [Prunus persica (L.) Batsch]. PLoS ONE, DOI:10.1371/journal.pone.0139406.

San, B., Z. Li, Q. Hu, G.L. Reighard and H. Luo. 2015. Adventitious shoot regeneration from in vitro cultured explants of peach rootstock Guardian is significantly enhanced by silver thiosulfate. Plant Cell, Tissue and Organ Culture Vol. 120:757-765. October 2014. DOI 10.1007/s11240-014-0645-7.

Yue, C., R.K. Gallardo, J. J. Luby, A.L. Rihn, J.R. McFerson, V. McCracken, T. Gradziel, K. Gasic, G.L. Reighard, J. Clark and A. Iezzoni. 2014. An evaluation of U.S. peach producers’ trait prioritization: evidence from audience surveys. HortScience 49 (10):1309-1314.

Bell, R.L., T. van der Zwet, S. Castagnoli, T. Einhorn, J.D. Turner, R. Spotts, G.A. Moulton, G.L. Reighard, and W. Shane. 2014. ‘Gem’ pear. HortScience 49(3):361-363.

Frett, T. J., G. L. Reighard, W. R. Okie and K. Gasic. 2014. Mapping quantitative trait loci associated with blush in peach [Prunus persica (L.) Batsch]. Tree Genetics & Genomes
10:367-381.

Zhebentyayeva, T. N., S. Fan, A. Chandra, D. G. Bielenberg, G. L. Reighard, W. R. Okie and A. G. Abbott. 2014. Dissection of chilling requirement and bloom date QTLs in peach using a whole genome sequencing of sibling trees from an F2 mapping population.
Tree Genetics & Genomes 10:35-51.

Reighard, G.L. 2013. Peach, Plum and Apricot Rootstocks for the 21st Century. Aspects of Applied Biology 119:59-66.

Kenealy, L., G. Reighard, B. Rauh, W. Bridges, Jr.., and S. Gagnon. 2013. Spring temperatures influence growing degree day model harvest predictions for peach. Aspects of Applied Biology 119:197-200.

Yang, N, G. Reighard, D. Ritchie, W. Okie, and K. Gasic. 2013. Mapping quantitative trait loci associated with resistance to bacterial spot (Xanthomonas arboricola pv. pruni) in peach. Tree Genetics and Genomes 9(2):573-586.

Autio, W.R., T.L. Robinson, B. Black, T. Bradshaw, J.A. Cline, R.M. Crassweller, C.G. Embree, E.E. Hoover, R.S. Johnson, G. Lang, M.L. Parker, G.L. Reighard, J.R. Schupp, M. Stasiak, M. Warmund, and D. Wolfe. 2011. Performance of ‘Fuji’ and ‘McIntosh’ Apple Trees after 10 Years as Affected by Several Dwarf Rootstocks in the 1999 NC-140 Apple Rootstock Trial. J. Amer. Pomol. Soc. 65(2):2-20.

Autio, W.R., T.L. Robinson, B. Black, T. Bradshaw, J.A. Cline, R.M. Crassweller, C.G. Embree, E.E. Hoover, R.S. Johnson, G. Lang, M.L. Parker, R.L. Perry, G.L. Reighard, M. Stasiak, M. Warmund, and D. Wolfe. 2011. Performance of ‘Fuji’ and ‘McIntosh’ Apple Trees after 10 Years as Affected by Several Semidwarf Rootstocks in the 1999 NC-140 Apple Rootstock Trial. J. Amer. Pomol. Soc. 65(2):21-38.

Reighard, G.L., T. Beckman, B. Belding, B. Black, P. Byers, J. Cline, W. Cowgill, R. Godin, R. S. Johnson, J. Kamas, M. Kaps, H. Larsen, T. Lindstrom, M. Newall, D. Ouellette, R. Pokharel, L. Stein, K. Taylor, C. Walsh, D. Ward, and M. Whiting. 2011. Six-Year Performance of 14 Rootstocks at 11 Sites in the 2001 NC-140 Peach Trial. J. Amer. Pomol. Soc. 65(1): 26-41.

Johnson, S., R. Andersen, W. Autio, T. Beckman, B. Black, P. Byers, J. Cline, C. Chavez-Gonzalez, W. Cowgill, R. Godin, G. Greene, M. Kaps, J. Kamas, H. Larsen, T. Lindstrom, D. Miller, M. Newall, D. Ophardt, D. Ouellette, R. Parra-Quezada, R. Pokharel, G. Reighard, T. Robinson, J. Schupp, L. Stein, K. Taylor, C. Walsh, D. Ward, M. Warmund, and M. Whiting. 2011. Performance of the 2002 NC-140 Cooperative Peach Rootstock Planting. J. Amer. Pomol. Soc. 65(1): 17-25.

Robinson, T., D. Wolfe, J. Masabni, R. Andersen, A, Azarenko, J. Freer, G. Reighard, P. Hirst, R. Hayden, and B. McCluskey. 2010. Performance of Plum Rootstocks with ‘Stanley’, ‘Valor’, ‘Veeblue’, and ‘Santa Rosa’ as the Scions in the 1991 NC-140 Multi-State Plum Trial. J. Amer. Pomol. Soc. 64(3): 173-182.

Baugher, T.A., J. Schupp, K. Ellis, J. Remcheck, E. Winzeler, R.duncan, S. Johnson, K. Lewis, G. Reighard, G. Henderson, M. Norton, A. Dhaddey, and P. Heinemann. 2010. String blossom thinner designed for variable tree forms increase crop load management efficiency in trials in four United States peach-growing regions. HortTechnology 20(2):409-414.

Jimenez, S., G. L. Reighard and D. G. Bielenberg. 2010. Gene expression of DAM5 and DAM6 is suppressed by chilling temperaturesand inversely correlated with bud break rate. Plant Molecular Biology 73:157-167.

Jiménez S, Z. Li, G.L. Reighard, and D.G. Bielenberg. 2010. Identification of genes associated with growth cessation and bud dormancy release using a dormancy-incapable tree mutant. BMC Plant Biology 10(25).

Liang, H., T. Zhebentyayeva, B. Olukolu, D. Wilde, G.L. Reighard and A. Abbott. 2010. Comparison of gene order in the chromosome region containing a TERMINAL FLOWER 1 homolog in apricot and peach reveals microsynteny across angiosperms. Plant Science 179:390-398.

Black, B.L., D. Drost, T. Lindstrom, J. Reeve, J. Gunnell and G. L. Reighard. 2010. A comparison of root distribution patterns among Prunus rootstocks. J. American Pomological Society 64 (1): 52-62.

Fan, F., D. G. Bielenberg, T.N. Zhebentyayeva, G. L. Reighard, W.R. Okie, D. Holland and A. G. Abbott. 2009. Mapping quantitative trait loci associated with chilling requirement, heat requirement and bloom date in peach (Prunus persica). New Phytologist doi: 10.1111/j.1469-8137.2009.03119.x

Li, Z., G.L. Reighard, A.G. Abbott and D. G. Bielenberg. 2009. Dormancy-associated MADS genes from the EVG locus of peach [Prunus persica (L.) Batsch] have distinct seasonal and photoperiodic expression patterns. J. Experimental Botany 60 (12): 3521-3530.

Olukolu, B. A., T. Trainin, S. Fan, C. Kole, D. G. Bielenberg, G. L. Reighard, A. G. Abbott, and D. Holland. 2009. Genetic linkage mapping for molecular dissection of chilling requirement and budbreak in apricot (Prunus armeniaca L.). Genome 52: 819-828.

Jimenez, S., A. L. Lawton-Rauh, G. L. Reighard, A. G. Abbott, and D. G. Bielenberg. 2009. Phylogenetic analysis and molecular evolution of the dormancy associated MADS-box genes from peach. BMC Plant Biology 2009, 9:81.

Okie, W.R., G.L. Reighard, and A.P. Nyczepir. 2009. Importance of Scion Cultivar in Peach Tree Short Life. J. American Pomological Society 63(2):58-63.

Bielenberg D.G., Y. Wang, Z. Li, T. Zhebentyayeva, S. Fan, G.L. Reighard, R. Scorza, and A.G. Abbott. 2008. Sequencing and annotation of the evergrowing locus in peach [Prunus persica (L.) Batsch] reveals a cluster of six MADS-box transcription factors as candidate genes for regulation of terminal bud formation. Tree Genomes & Genetics 4:495-507.

Zhebentyayeva, T.N., G. Swire-Clark, L. Georgi, L. Garay, S, Jung, S. Forrest, A.V. Blenda, B. Blackmon, J. Mook, R. Horn, W. Howad, P. Arús, D. Main, J.P .Tomkins, B. Sosinski, W.V. Baird, G.L. Reighard and A.G. Abbott. 2008. A framework physical map for peach, a model Rosaceae species. Tree Genetics and Genomes 4:745-756.

Zhebentyayeva, T.N., G.L. Reighard, D. Lalli, V.M. Gorina, B.Krška, and A.G. Abbott. 2008. Origin of Resistance to Plum Pox Virus in Apricot: What New AFLP and Targeted SSR Data Analyses Tell. Tree Genetics and Genomes 4:403-417.

Njoroge, S. and G. L. Reighard. 2008. Thinning Time During Stage I and Fruit Spacing
Influences Fruit Size of 'Contender' Peach. Scientia Horticulturae 115(4): 352-359.

Published Conference Proceedings (refereed)

Reighard, G.L., W. Bridges, Jr., D. Archbold, A. Atucha, W. Autio, T. Beckman, B. Black, E. Coneva, K. Day, M. Kushad, R. Pokharel, R.S. Johnson, T. Lindstrom, M. Parker, T. Robinson, J. Schupp, M. Warmund and D. Wolfe. 2015. NC-140 Peach Rootstock Testing in 13 U.S. States. Acta Hort 1084(1):225-232.

Reighard, G.L. and D.R. Ouellette. 2015. Manipulating Bloom and Harvest Dates in Peach Using a Strain of PLMVd. Acta Hort 1084(1):221-224.

Johnson, R.S., G.L. Reighard, T.G. Beckman, E.D. Coneva, K.R. Day, E. Fallahi, M.J. Newall, T.L. Robinson and D. Wolfe. 2015. Environmental Effects on Fruit Ripening and Average Fruit Weight for Three Peach Cultivars. Acta Hort 1084(1):453-458.

Kenealy, L., G. Reighard, B. Rauh, and W. Bridges, Jr. 2015. Predicting Peach Maturity Dates in South Carolina with a Growing Degree Day Model. Acta Hort 1084(2):749-752.

Reighard, G. L. and B. Rauh. 2015. Predicting Peach Fruit Size Potential from GDD 30 Days Post-Bloom. Acta Hort 1084(2):753-758.

Gasic, K., Reighard, G. L., J. Windham and M. Ognjanov. 2015. Relationship between fruit maturity at harvest and fruit quality in peach. Acta Hort 1084(2):643-648.

Gasic, K., G. Reighard, W. Okie, J. Clark, T. Gradziel, D. Byrne, C. Peace, T. Stegmaier, U. Rosyara and A. Iezzoni. 2015. Bacterial spot resistance in peach: functional allele distribution in breeding germplasm. Acta Hort 1084(1):69-74.

Mayer, N.A., G. L. Reighard and W. Bridges.. 2015. Peach rootstock propagation under intermittent mist system. Acta Hort 1084(1):53-62.

Mayer, N.A., B. Ueno and G. L. Reighard . 2015. Selection of Prunus mume as rootstocks for peaches on PTSL site. Acta Hort 1084(1):89-96.

Pokharel, R. R., and G. L. Reighard. 2015. Evaluation of Rootstock Effect on Tolerance to Iron Chlorosis and Cytospora Canker in Peaches. Acta Hort 1084(1):159-164.

Pokharel, R. R., G. L. Reighard and D. Reich. 2015. Deficit irrigation for iron chlorosis did not affect fruit production and quality in peach. Acta Hort 1084(1):409-414.

Pokharel, R. R., and G. L. Reighard. 2015. Evaluation of biofumigation and soil solarization on peach replant disease. Acta Hort 1084(2):577-584.

Mayer, N.A., G. Reighard, W. Bridges, Jr. and M. Glenn. 2014. Prunus rootstocks influence stem water potential, C/N ratio and shoot ash content in peach. Acta Hort 1058:365-374.

Mayer, N.A., F.M. Pereira and G. Reighard. 2014. Mume clones as rootstocks for ‘Aurora-1’ peach in Sao Paulo State, Brazil, and planting density. Acta Hort 1058:619-626.

Reighard, G.L., D. Ouellette, B. Rauh, and W. Bridges, Jr. 2014. New rootstock cultivars for peach influence growth, yield and fruit quality. Acta Hort 1058:517-522.

Reighard, G.L., W. Bridges, B. Rauh and N.A. Mayer. 2013. Prunus rootstocks influence peach leaf and fruit nutrient content. Acta Hort 984:117-124.

Yang, N., G. Reighard, D. Ritchie, W. Okie and K. Gasic. 2012. Development of a Genetic Linkage Map for Identification of Molecular Markers Associated with Resistance to Bacterial Spot (Xanthomonas arboricola pv. pruni) in Peach. Acta Hort 976:561-566.

Reighard, G.L. and W.G. Henderson. 2012. Mechanical blossom thinning in South Carolina peach orchards. Acta Hort 965:117-121.

Liu, X., G. L. Reighard, G. A. Swire-Clark, and W. V. Baird. 2012. Peach [Prunus persica (L.) Batsch] rootstock seedling identification by DNA-fingerprinting with microsatellite (SSR) markers. Acta Hort 962:169-175.

Jimenez, S., G.L. Reighard, and D.G. Bielenberg. 2012. Peach dormancy associated MADS-box gene expression during natural chilling accumulation. Acta Hort 962:161-167.

Weibel, A.M. and G.L. Reighard. 2012. Dwarfing peach rootstocks generate scion water stress. Acta Hort 962:633-639.

Liu, X., G.L. Reighard, G.A. Swire-Clark, W.C. Bridges Jr., A.G. Abbott and W.V. Baird. 2012. Chromosomal regions associated with Peach Tree Short Life Syndrome. Acta Hort 929:19-25.

Jimenez, S., Z. Li, G.L.Reighard, and D.G. Bielenberg. 2011. Non-dormant evergrowing peach as a tool for discovering genes involved in vegetative growth cessation. Acta Hort. 903:107-112.

Johnson, S., M. Newall, G. Reighard, T. Robinson, K. Taylor, C. Walsh and D. Ward. 2011. Weather conditions affect fruit weight, harvest data and soluble solids content of ‘Cresthaven’ peaches. Acta Hort. 903:1063-1068.

Parker, M.L., D.F. Ritchie and G.L. Reighard. 2011. Guardian® peach rootstock performance and preplant soil fumigation effects in a fallow site. Acta Hort. 903:469-473.

Gibson, P.G., G.L. Reighard, S.W. Scott, and D. Marini. 2011. Modifications to peach phenology by inoculation with single and multiple graft-transmissible agents. Acta Hort. 903:1155-1162.

Reighard, G.L., T. Beckman, R. Belding, B. Black, J. Cline, W. Cowgill, R. Godin, R.S. Johnson, M. Kaps, H. Larsen, T. Lindstrom, D. Ouellette, R. Pokharel, L. Stein, K. Taylor, C. Walsh, and M. Whiting. 2011. Performance of Prunus rootstocks in the 2001 NC-140 peach trial. Acta Hort. 903:463-468.

Weibel, A.M., G.L. Reighard, N.C. Rajapakse, and T.M. DeJong. 2011. Dormant carbohydrate reserves of two peach cultivars grafted on different vigor rootstocks. Acta Hort. 903:815-820.

Black, B., D. Drost, T. Lindstrom and G. Reighard. 2011. Sampling to determine relative root distribution. Acta Hort. 903:949-953.

Weibel, A.M. and G.L. Reighard. 2011. Interstems but not grafting height controlled vegetative growth of young Redhaven peach trees. Acta Hort. 903:512-519.

Autio, W.R., T.L. Robinson, T. Bradshaw, J.A. Cline, R.M. Crassweller, C.G. Embree, E.E. Hoover, J. Masabni, M.L. Parker, R.L. Perry, G.L. Reighard, T.R.Roper, J.R. Schupp, and M. Warmund. 2011. Performance.of several dwarfing rootstocks with ‘Fuji’ and ‘McIntosh’ as scion cultivars in the 1999 NC-140 dwarf apple rootstock trial. Acta Hort. 903:319-326.

Reighard, G.L., D. R. Ouellette, and K. H. Brock. 2011. Peach flower buds thinned with dormant applications of Vegetoil® adjuvant plus ethephon. Acta Hort. 903:827-832.

Autio, W.R., T.L. Robinson, T. Bradshaw, J.A. Cline, R.M. Crassweller, C.G. Embree, E.E. Hoover, J. Masabni, M.L. Parker, R.L. Perry, G.L. Reighard, T.R.Roper, J.R. Schupp, and M. Warmund. 2011. Performance.of several semidwarfing rootstocks with ‘Fuji’ and ‘McIntosh’ as scion cultivars in the 1999 NC-140 semidwarf apple rootstock trial. Acta Hort. 903:327-334.

Reighard, G.L., D. Ouellette, and K. Brock. 2010. Dormant applications of a soybean oil adjuvant plus ethephon reduce peach flower bud survival. Acta Hort. 884(2):629-634.

Gibson, P.G., G. Reighard, D. Marini, and S.W. Scott. 2010. Effects associated with graft-transmissible agents found in the peach variety ‘Ta Tao 5’. 21st International Conference on Virus and other Graft Transmissible Diseases of Fruit Crops. Julius-Kuhn-Archiv 427:284-288.

Jimenez S., Z. Li, A.M. Lawton-Rauh, G.L. Reighard, A.G. Abbott, and D.G. Bielenberg. 2009. Comparative genomics of the evergrowing locus among apricot, peach and poplar. Acta Hort. 839:523-530.

Reighard, G.L., D. R. Ouellette, and K. H. Brock. 2008. Field performance of Asian pear cultivars in South Carolina. Acta Hort. 800 (Vol. 1): 315-318.

Reighard, G.L., D. R. Ouellette, and K. H. Brock. 2008. Performance of new Prunus rootstocks for peach in South Carolina. Acta Hort. 772:237-240.

Gibson, P.G., G.L. Reighard, S.W. Scott, and D. Marini. 2008. Phenotypical variation in peach trees inoculated with defined mixtures of viruses and Peach latent mosaic viroid.
Acta Hort. 781:541-546.

Published Conference Proceedings (edited but not refereed)

Reighard, G.L., D.R. Ouellette and K.H. Brock. 2012. Six-year results of thinning peach flower buds with ethephon plus Vegetoil®. Proc. of 38th Annual Meeting of the Plant Growth Regulation Society of America. Chicago, IL. July 24-28, 2011. P14. Pp. 138-141.

Reighard, G.L. 2010. Rootstocks for pedestrian and high density peach orchards. Proc. 55th Atlantic Coast Ag Convention & Trade Show. Jan. 12-14, 2010. Atlantic City, NJ. pp. 116-118.

Reighard, G.L. 2010. Integrating orchard system and mechanization for labor efficiency. Proc. 55th Atlantic Coast Ag Convention & Trade Show. Jan. 12-14, 2010. Atlantic City, NJ. pp. 119-120.

Reighard, G.L. 2008. New and emerging rootstocks. Ernie Christ Memorial Lecture. Pennsylvania Fruit News. Vol. 87(5):19-23.

Reighard, G.L. 2008. Manipulating flower bud density and bloom in peaches. Pennsylvania Fruit News. Vol. 87(5):23-26.

Autio, W., T.L. Robinson, B. Black, T. Bradshaw, J.A. Cline, R.M. Crassweller, C.G. Embree, E.E. Hoover, K. Kosola, J. Masabni, M.L. Parker, R.L. Perry, G.L. Reighard, J.R. Schupp, and M. Warmund. 2008. 1999 NC-140 Fuji and McIntosh dwarf apple rootstock trials: An update after eight growing seasons. Compact Fruit Tree 41(1): 23-25.

Autio, W., T.L. Robinson, B. Black, T. Bradshaw, J.A. Cline, R.M. Crassweller, C.G. Embree, E.E. Hoover, K. Kosola, J. Masabni, M.L. Parker, R.L. Perry, G.L. Reighard, J.R. Schupp, and M. Warmund. 2008. 1999 NC-140 Fuji and McIntosh semidwarf apple rootstock trials: An update after eight growing seasons. Compact Fruit Tree 41(1): 26-28.

Reighard, G.L., D. R. Ouellette, and K. H. Brock. 2008. Ethephon and graft transmissible agents affect bloom and fruit characteristics in two peach cultivars. Proc. 2008 Southeastern Peach Convention. Savannah, GA. Jan. 11-13, 2008. 44 pp. P. 33-35.

Fan, S. D. Bielenberg, T. Zhebentyayeva, G. L. Reighard, W. Okie and A.G. Abbott. 2008. Development of a linkage genetic map for chilling requirement in peach. Proc. 2008 Southeastern Peach Convention. Savannah, GA. Jan. 11-13, 2008. 44 pp. P. 35-36.

Bielenberg, D.G., Z. Li, G. L. Reighard, and A. G. Abbott. 2008. The peach evergrowing locus contains a cluster of MIKC-type MADS-box genes with tissue specific expression patterns. Proc. 2008 Southeastern Peach Convention. Savannah, GA. Jan. 11-13, 2008. 44 pp. P. 37.

Liu, X., G.L. Reighard, G. Swire-Clark, and W. V. Baird. 2008. Peach rootstock seedling identification by DNA-fingerprinting with microsatellite (SSR) markers. Proc. 2008 Southeastern Peach Convention. Savannah, GA. Jan. 11-13, 2008. 44 pp. P. 37.

Reighard, G.L., D. R. Ouellette, and K. H. Brock. 2008. Performance of new Prunus rootstocks for peach in South Carolina. Proc. 2008 Southeastern Peach Convention. Savannah, GA. Jan. 11-13, 2008. 44 pp. P. 38-40.

Reighard, G.L., D. R. Ouellette, and K. H. Brock. 2008. Dormant application of ethephon with Vegetoil® thins peach flower buds. Proc. 2008 Southeastern Peach Convention. Savannah, GA. Jan. 11-13, 2008. 44 pp. P. 40-43.

Books, Book Chapters, and Theses

Byrne, D.H., Raseira, M.B., D. Bassi, M.C. Piagnani, K. Gasic, G.L. Reighard, M.A. Moreno and S. Perez. 2011. Peach. In: Fruit Breeding, Handbook of Plant Breeding 8. M.L. Badenes and D.H. Byrne (eds.). Springer Press. pp. 505-570.

Reighard, G.L. and F. Loreti. 2008. Rootstock development. In: Layne, D.R. and D. Bassi (Eds.) The Peach: Botany, Production and Uses. CAB International, Wallingford, U.K., pp. 193-220.

Marini, R.P. and G.L. Reighard. 2008. Crop load management. In: Layne, D.R. and D. Bassi (Eds.) The Peach: Botany, Production and Uses. CAB International, Wallingford, U.K., pp. 289-302.

Trade Journals and Magazine Articles (Reviewed but non-refereed)

Reighard, G.L. and R. Byers. 2015. Peach thinning. The Peach News. Winter 2015. Vol. 1(1):16-17, 20.

Reighard, G.L. 2014. Peach Genomics. International Innovation:Ideas in Bloom. Vol. 135:61.

Reighard, G.L. 2014. Breeding in the Brawn. International Innovation:Ideas in Bloom. Vol. 135:62-63.

Reighard, G.L. 2011. Current state of stone fruit rootstock research and the Root2Fruit initiative. Compact Fruit Tree 44 (3):13-17.

Reighard, G.L. 2010. Integrating orchard system and mechanization for labor efficiency. New Jersey State Horticultural Society Horticultural News. Vol. 90(2): 5-7.

Reighard, G.L. 2010. Rootstocks for pedestrian and high density peach orchards. New Jersey State Horticultural Society Horticultural News. Vol. 90(2): 13-15.

Reighard, G.L. 2008. New and emerging rootstocks. The Ernie Christ Memorial Lecture. New Jersey State Horticultural Society Horticultural News. Vol. 88(3): 15-24.