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ARS Home » Pacific West Area » Davis, California » Nat'l Clonal Germplasm Rep - Tree Fruit & Nut Crops & Grapes » People & Locations » John Preece
John Preece
Nat'l Clonal Germplasm Rep - Tree Fruit & Nut Crops & Grapes
Research Leader

Phone: (530) 752-7009
Fax: (530) 752-5974

UNIVERSITY OF CALIFORNIA
ONE SHIELDS AVENUE
DAVIS, CA 95616
Projects
Managing Genetic Resources and Associated Information of Grape, Tree Fruit, Tree Nut, and Other Specialty Crops Adapted to Mediterranean Climates
In-House Appropriated (D)
  Accession Number: 434303
Management of Arid Land Plant Genetic Resources and Regeneration of Accessions with Special Climatic Requirements
In-House Appropriated (D)
  Accession Number: 434316
Determination of Molecular Markers for Levels of Salt Tolerance and Ion Accumulation in UCB-1 Pistachio rootstock
Non-Assistance Cooperative Agreement (S)
  Accession Number: 435383
Germplasm Evaluation for Sweet Cherry Genetic Diversity and Disease Resistance
Non-Assistance Cooperative Agreement (S)
  Accession Number: 438256
Integrated Phenotyping and Genotyping of the USDA-NCGR Juglans Collection
Non-Assistance Cooperative Agreement (S)
  Accession Number: 438267
Characterization of Molecular and Phenotypic Diversity in the USDA-NCGR Pistacia Collection
Non-Assistance Cooperative Agreement (S)
  Accession Number: 438270

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Genetic diversity in the USDA-ARS National Clonal Germplasm Repository, Davis, California fig germplasm collection - (Peer Reviewed Journal)
Field evaluation of new and underutilized fig cultivars for fresh and dried markets - (Peer Reviewed Journal)
Filex Gillet (1835-1908) and his barren hill nursery in Nevada City, CA - (Proceedings)
Register of new fruit and nut cultivars list 50 Reprint Icon - (Peer Reviewed Journal)
Gasic, K., Preece, J.E., Karp, D. 2020. Register of new fruit and nut cultivars list 50. HortScience. 55(7)1164-1201. https://doi.org/10.21273/HORTSCI50register-20.
Development of RT-PCR degenerate primers to overcome the high genetic diversity of grapevine virus T Reprint Icon - (Peer Reviewed Journal)
Diaz-Lara, A., Golino, D., Preece, J.E., Rwahnih, M. 2020. Development of RT-PCR degenerate primers to overcome the high genetic diversity of grapevine virus T. Journal of Virological Methods. 282(2020)113883. https://doi.org/10.1016/j.jviromet.2020.113883.
Field evaluation of olive (Olea europaea) genotypes for resistance to Pseudomonas savastanoi pv savastanoi Reprint Icon - (Peer Reviewed Journal)
Salman, M., Kluepfel, D.A., Greenhut, R., Preece, J.E., Ferguson, L. 2020. Field evaluation of olive (Olea europaea) genotypes for resistance to Pseudomonas savastanoi pv savastanoi. Journal of Plant Pathology. 102:663-670. https://doi.org/10.1007/s42161-020-00549-8.
Rooting response of Prunus wild relative semi-hardwood cuttings to indole-3-butryic acid potassium salt (KIBA) Reprint Icon - (Peer Reviewed Journal)
Johnson, E.P., Preece, J.E., Aradhya, M.K., Gradziel, T. 2019. Rooting response of Prunus wild relative semi-hardwood cuttings to indole-3-butryic acid potassium salt (KIBA). Scientia Horticulturae. 263. https://doi.org/10.1016/j.scienta.2019.109144.
Phenotypic segregation of seedling UCB-1 hybrid pistachio rootstock - (Peer Reviewed Journal)
The USDA-ARS National Clonal Germplasm Repository for tree fruit, nut crops, and grapes, Davis, CA - (Peer Reviewed Journal)
Preece, J.E. 2020. The USDA-ARS National Clonal Germplasm Repository for tree fruit, nut crops, and grapes, Davis, CA. Journal of American Pomological Society. 74(2): 111-116.
Diagnosis and management of nutrient constraints in pomegranate ()
Chater, J.M., Merhaut, D.J., Preece, J.E. 2019. Diagnosis and management of nutrient constraints in pomegranate. In: Anoop Kumar Srivastava, Chengxiao Hu, editors. Fruit Crops, Diagnosis and Management of Nutrient Constraints. 1st edition. Elsevier. p.681-691.
Propagation from basal epicormic meristems remediates an agring-related disorder in almond clones Reprint Icon - (Peer Reviewed Journal)
Gradziel, T., Lampinen, B., Preece, J.E. 2019. Propagation from basal epicormic meristems remediates an agring-related disorder in almond clones. Horticulturae. 5(28):1-9. https://doi.org/10.3390/horticulturae5020028.
Quantification of punicalagin in commercial preparations and pomegranate cultivars, by liquid chromatography-mass spectrometry - (Peer Reviewed Journal)
Characterization of grapevine leafroll-associated virus 3 genetic variants and application towards RT-qPCR assay design Reprint Icon - (Peer Reviewed Journal)
Diaz-Lara, A., Klaassen, V., Stevens, K., Sudarshana, M.R., Rowhani, A., Maree, H.J., Chooi, K.M., Blouin, A.G., Habili, N., Song, Y., Aram, K., Arnold, K., Cooper, M.L., Wunderlich, L., Battany, M.C., Bettiga, L.J., Smith, R.J., Bester, R., Xiao, H., Meng, B., Preece, J.E., Golino, D., Alrwahnih, M. 2018. Characterization of grapevine leafroll-associated virus 3 genetic variants and application towards RT-qPCR assay design. PLoS One. 13(12):e0208862. https://doi.org/10.1371/journal.pone.0208862.
Juice quality traits, potassium content, and 1H NMR derived metabolites of 14 pomegranate cultivars - (Peer Reviewed Journal)
Chater, J.M., Mathon, C., Larive, C.K., Merhaut, D.J., Tinoco, L.W., Mauk, P.A., Preece, J.E. 2019. Juice quality traits, potassium content, and 1H NMR derived metabolites of 14 pomegranate cultivars. Journal of Berry Research. 9(2):209-225.
Nondestructive determination of the astringency of pollination-variant persimmons (Diospyros kaki) using near-infrared (NIR) spectroscopy and nuclear magnetic resonance (NMR) relaxometry Reprint Icon - (Peer Reviewed Journal)
Milczarek, R.R., Liang, P., Wong, T., Augustine, M.P., Smith, J.L., Woods, R., Sedej, I., Olsen, C.W., Vilches, A.M., Haff, R.P., Preece, J.E., Breksa, A.P. 2019. Nondestructive determination of the astringency of pollination-variant persimmons (Diospyros kaki) using near-infrared (NIR) spectroscopy and nuclear magnetic resonance (NMR) relaxometry. Postharvest Biology and Technology. 149:50-57. https://doi.org/10.1016/j.postharvbio.2018.11.006.
Clarifying the conservation status of northern California balck walnut (Juglans hindsii) using microsatellite markers Reprint Icon - (Peer Reviewed Journal)
Potter, D., Bartosh, H., Dangl, G., Yang, J., Bittman, R., Preece, J.E. 2018. Clarifying the conservation status of northern California balck walnut (Juglans hindsii) using microsatellite markers. Madrono. 65(3):131-140. https://doi.org/10.3210/0024-9637-65.3131.
Genetic diversity analysis of cultivated and wild grapevine (Vitis vinifera L.) accessions around the Mediterranean basin and Central Asia Reprint Icon - (Peer Reviewed Journal)
Riaz, S., De Lorenzis, G., Velasco, D., Koehmstedt, A., Maghradze, D., Bobokashvili, Z., Musayev, M., Zdunic, G., Laucou, V., Walker, A.M., Failla, O., Preece, J.E., Aradhya, M.K., Arroyo-Garcia, R. 2018. Genetic diversity analysis of cultivated and wild grapevine (Vitis vinifera L.) accessions around the Mediterranean basin and Central Asia. Biomed Central (BMC) Plant Biology. 18:137. https://doi.org/10.1186/s12870-018-1351-0.
Clarifying the conservation status of the northern California black walnut (Juglans hindsii) using microsatellite markers - (Peer Reviewed Journal)
Development of a meristem-tip culture procedure for eradication of cherry virus-a in selected cultivars of cherry - (Abstract Only)
Hoang, N.H., Rwahnih, M., Preece, J.E., Hsu, E., Sim, S., Golino, D. 2018. Development of a meristem-tip culture procedure for eradication of cherry virus-a in selected cultivars of cherr. In Vitro Cellular and Developmental Biology - Animals. Vol.54, S30-S31.
Pomegranate - (Peer Reviewed Journal)
Preece, J.E., Chater, J.M., Merhaut, D.J., Jia, Z. 2018. Pomegranate. HortScience. 53(6):770.
Register of new fruit and nut cultivars list 49 - (Peer Reviewed Journal)
Gasic, K., Preece, J.E., Karp, D. 2018. Register of new fruit and nut cultivars list 49. HortScience. 53(6):748-776.
Fruit quality traits of ten California-grown pomegranate cultivars harvested over three months Reprint Icon - (Peer Reviewed Journal)
Chater, J.M., Merhaut, D.J., Jia, Z., Mauk, P.A., Preece, J.E. 2018. Fruit quality traits of ten California-grown pomegranate cultivars harvested over three months. Scientia Horticulturae. 237:11-19.
Orchard establishment, precocity, and eco-physiological traits of several pomegranate cultivars Reprint Icon - (Peer Reviewed Journal)
Chater, J.M., Santiago, L.S., Merhaut, D.J., Jia, Z., Mauk, P.A., Preece, J.E. 2018. Orchard establishment, precocity, and eco-physiological traits of several pomegranate cultivars. Scientia Horticulturae. 235:221-227. https://doi.org/10.1016/j.scienta.2018.02.032.
Effects of site and cultivar on consumer acceptance of pomegranate Reprint Icon - (Peer Reviewed Journal)
Chater, J.M., Merhaut, D.J., Jia, Z., Arpaia, M., Mauk, P.A., Preece, J.E. 2018. Effects of site and cultivar on consumer acceptance of pomegranate. Journal of Food Science. 83(5):1389-1395. https://doi.org/10.1111/1750-3841.14101.
Discovery of viruses and virus-like pathogens in pistachio using high-throughput sequencing Reprint Icon - (Peer Reviewed Journal)
Al Rwahnih, M., Adib, R., Stevens, K., Diaz-Lara, A., Trouillas, F.P., Preece, J.E., Kallsen, C., Farrar, K., Golino, D. 2018. Discovery of viruses and virus-like pathogens in pistachio using high-throughput sequencing. Plant Disease. 102(7):1419-1425. https://doi.org/10.1094/PDIS-12-17-1988-RE.
Diurnal patterns of photosynthesis and water relations for four orchard-grown pomegranate (Punica granatum L.) cultivars - (Peer Reviewed Journal)
Chater, J.M., Santiago, L.S., Merhaut, D.J., Preece, J.E., Zhenyu, J. 2018. Diurnal patterns of photosynthesis and water relations for four orchard-grown pomegranate (Punica granatum L.) cultivars. Journal of American Pomological Society. 72(3):157-165.
Temperate nut crops: chestnut, hazelnut, pecan, pistachio, and walnut Reprint Icon ()
Preece, J.E., Aradhya, M.K. 2019. Temperate nut crops: chestnut, hazelnut, pecan, pistachio, and walnut. In: Greene S., Williams K., Khoury C., Kantar M., Marek L., editors. North American Crop Wild Relatives, Volume 2. Cham, Switzerland: Springer. p. 417-449.
Multivariate analysis of molecular and morphological diversity in fig (Ficus carica L.) Reprint Icon - (Peer Reviewed Journal)
Aradhya, M.K., Preece, J.E., Velasco, D. 2017. Multivariate analysis of molecular and morphological diversity in fig (Ficus carica L.). International Journal of Horticultural Science. 1173:23-28. https://doi:10.17660.ActaHortric.2017.1173.4.
The effect of explant cut and cytokinin type on micropropagation of fig (Ficus carica L.) ‘Brown Turkey’ Reprint Icon - (Peer Reviewed Journal)
Volo, P., Preece, J.E., Caruso, T. 2017. The effect of explant cut and cytokinin type on micropropagation of fig (Ficus carica L.) ‘Brown Turkey’. Acta Horticulturae. 1173:227-230. https://doi.org/10.17660/ActaHortic.2017.1173.39.
Genetic and ecological insights into glacial refugia of walnut (Juglans regia L.) Reprint Icon - (Peer Reviewed Journal)
Aradhya, M.K., Ibrahimov, Z., Toktoraliev, B., Maghradze, D., Musayev, M., Bobokashvili, Z., Velasco, D., Preece, J.E. 2017. Genetic and ecological insights into glacial refugia of walnut (Juglans regia L.). PLoS One. 12(10):e0185974. https://doi.org/10.1371/journal.pone.0185974.
Synthesis of descriptive sensory attributes and hedonic rankings of dried persimmon (Diospyros kaki sp.) Reprint Icon - (Peer Reviewed Journal)
Milczarek, R.R., Woods, R., LaFond, S.I., Breksa, A.P., Preece, J.E., Smith, J., Sedej, I., Olsen, C.W., Vilches, A.M. 2017. Synthesis of descriptive sensory attributes and hedonic rankings of dried persimmon (Diospyros kaki sp.). Food Science and Nutrition. 6(1):124-136. https://doi.org/10.1002/fsn3.537.
Phenotypic variation among trees in a population of a Pistacia atlantica X P. integerrima cross sold as UCB-1 rootstock for grafting P. vera (pistachio) cultivars - (Abstract Only)
Phenotypic diversity among peach and nectarine (Prunus persica L.) fruit in the national prunus collection at the USDA-ARS, National Clonal Germplasm Repository (NCGR) - (Abstract Only)
Rooting and vegetative growth of hardwood cuttings of 12 pomegranate (Punica granatum L.) cultivars Reprint Icon - (Peer Reviewed Journal)
Chater, J.M., Merhaut, D.J., Preece, J.E., Eugene, B.K. 2017. Rooting and vegetative growth of hardwood cuttings of 12 pomegranate (Punica granatum L.) cultivars. Scientia Horticulturae. 221:68-72. https://doi.org/10.1016/j.scienta.2017.04.025.
2017 Update of the field evaluation of new and underutilized fig cultivars for fresh and dried markets - (Proceedings)
Preece, J.E., Ferguson, L., Crisosto, C., Aradhya, M.K., Norton, M., Gordon, P., Garrison, H.G. 2017. 2017 Update of the field evaluation of new and underutilized fig cultivars for fresh and dried markets. Meeting Proceedings. Tab 3:1-4.
Predictive model for consumer preference of a dried, chip-style persimmon product - (Abstract Only)
Woods, R., Lafond, S.I., Smith, J.L., Milczarek, R.R., Preece, J.E., Breksa Iii, A.P. 2017. Predictive model for consumer preference of a dried, chip-style persimmon product. Annual Meeting of the Institute of Food Technologists. Session P05 Poster Session.
Texture attributes of a persimmon (Diospyros kaki) chip-style product - (Abstract Only)
Olsen, C.W., Woods, R., Sedej, I., Smith, J.L., Milczarek, R.R., Preece, J.E., Breksa Iii, A.P. 2017. Texture attributes of a persimmon (Diospyros kaki) chip-style product. Annual Meeting of the Institute of Food Technologists. Session P05.
Developing the California fresh fig industry Reprint Icon - (Peer Reviewed Journal)
Crisosto, C.H., Ferguson, L., Preece, J.E., Michailides, T.J., Haug, M.T., Lopez Corrales, M., Crisosto, G.M. 2017. Developing the California fresh fig industry. Acta Horticulturae. 1173:285-292. https://doi.org:10.17660/ActaHortic.2017.1173.49.
Sugar and organic acid content of astringent, non-astringent, and pollination variant persimmons (abstract) - (Abstract Only)
Vilches, A.M., Sedej, I., Olsen, C.W., Smith, J.L., Woods, R., Preece, J.E., Milczarek, R.R., Breksa Iii, A.P. 2017. Sugar and organic acid content of astringent, non-astringent, and pollination variant persimmons [abstract].
Characterization of the organoleptic properties, vitamin C levels and anti-oxidant contents of Californian grown persimmons (abstract) - (Abstract Only)
Sedej, I., Vilches, A.M., Olsen, C.W., Smith, J.L., Woods, R., Preece, J.E., Milczarek, R.R., Breksa Iii, A.P. 2017. Characterization of the organoleptic properties, vitamin C levels and anti-oxidant contents of Californian grown persimmons [abstract].
Phenotype profiling and multivariate statistical analysis of Spur-pruning type Grapevine in National Clonal Germplasm Repository (NCGR, Davis) - (Abstract Only)
Pomegranate: the grainy apple - (Peer Reviewed Journal)
Preece, J.E., Moersfelder, J.W. 2016. Pomegranate: the grainy apple. Journal of American Pomological Society. 70(4):187-193.
Pomegranate production and marketing - (Peer Reviewed Journal)
Preece, J.E. 2016. Pomegranate production and marketing. Journal of American Pomological Society. 70(4):214-215.
Reducing astringency in persimmons through processing, an approach for increasing marketability (abstract) - (Abstract Only)
Sedej, I., Woods, R., Vilches, A.M., Olsen, C.W., Preece, J.E., Milczarek, R.R., Breksa III, A.P. 2016. Reducing astringency in persimmons through processing, an approach for increasing marketability (abstract). American Chemical Society National Meeting & Exposition - Philadelphia, PA - August 21-25, 2016.
Consumer evaluation of persimmon (Diospyros kaki) varieties for a chip-style product (abstract) - (Abstract Only)
Woods, R., Lafond, S.I., Milczarek, R.R., Preece, J.E., Breksa III, A.P. 2016. Consumer evaluation of persimmon (Diospyros kaki) varieties for a chip-style product (abstract). Institute of Food Technologists Annual Meeting - Chicago, IL - July 16-19, 2016.
Citrus Research Board-sponsored review of the University of California Riverside citrus breeding - (Abstract Only)
Stover, E.W., Fazio, G., Forner-Giner, M., Mehlenbacher, S., Preece, J.E. 2016. Citrus Research Board-sponsored review of the University of California Riverside citrus breeding[abstract]. California Citrus Showcase. March 3, 2016, Visalia, California
Development of disease-resistant walnut rootstocks: Integration of conventional and genomic approaches (SCRI-match Year 3) - (Proceedings)
Kluepfel, D.A., Leslie, C., Aradhya, M.K., Browne, G.T., Hasey, J., Pope, K., Mckenry, M., Westphal, A., Hackett, W., Bostock, R., Seybold, S., Dvorak, J., Luo, M., Coggeshall, M., Schlarbaum, S., Dandekar, A., Neale, D., Langley, C., Preece, J.E., Baumgartner, K. 2016. Development of disease-resistant walnut rootstocks: Integration of conventional and genomic approaches (SCRI-match Year 3). Walnut Research Conference. Walnut Research Reports 2015: 87-91.
Hybridization of cultivated Vitis vinifera with wild V. californica and V. girdiana in California Reprint Icon - (Peer Reviewed Journal)
Dangl, G.S., Mendum, M., Yang, J., Walker, A.M., Preece, J.E. 2015. Hybridization of cultivated Vitis vinifera with wild V. californica and V. girdiana in California. Ecology and Evolution. 5(23):5671-5684. doi: 10.1002/ece3.1797.
Relationship between humanity and plant natural resources – in the context of food and agriculture - (Proceedings)
Hummer, K.E., Volk, G.M., Preece, J.E. 2016. Relationship between humanity and plant natural resources – in the context of food and agriculture. Foreign Agriculture Organization Proceedings. Humanity and Plant Genetic Resources: Fruits through the Ages. p. 274-308.
Physicochemical properties and aroma volatile profiles in a diverse collection of California-grown pomegranate (Punica granatum L.) germplasm - (Peer Reviewed Journal)
Beaulieu, J.C., Lloyd, S.W., Preece, J.E., Moersfelder, J.W., Stein-Chisholm, R., Obando-Ulloa, J.M. 2015. Physicochemical properties and aroma volatile profiles in a diverse collection of California-grown pomegranate (Punica granatum L.) germplasm. Food Chemistry. 181:354-364.
Detection and genetic diversity of Grapevine red blotch-associated virus isolates in table grape accessions in the National Clonal Germplasm Repository in California Reprint Icon - (Peer Reviewed Journal)
Al Rwahnih, M., Rowhani, A., Golino, D., Islas, C., Preece, J.E., Sudarshana, M.R. 2015. Detection and genetic diversity of Grapevine red blotch-associated virus isolates in table grape accessions in the National Clonal Germplasm Repository in California. Canadian Journal of Plant Pathology. 37:130-135.
Genetic conservation, characterization and utilization of wild relatives of fruit and nut crops at the USDA Germplasm Repository in Davis, California Reprint Icon - (Peer Reviewed Journal)
Aradhya, M.K., Preece, J.E., Kluepfel, D.A. 2015. Genetic conservation, characterization and utilization of wild relatives of fruit and nut crops at the USDA Germplasm Repository in Davis, California. Acta Horticulturae. 1074:95-104.
Luther Burbank's contributions to walnuts Reprint Icon - (Peer Reviewed Journal)
Preece, J.E., Mcgranahan, G. 2015. Luther Burbank's contributions to walnuts. HortScience. 50:201-204.
Managing nut genetic resources under disease threat - (Peer Reviewed Journal)
Hummer, K.E., Postman, J.D., Preece, J.E. 2015. Managing nut genetic resources under disease threat. Acta Horticulturae. 1070:193-200.
Propagation of almond rootstocks and trees ()
2014 update of the field evaluation of new and underutilized fig cultivars for fresh and dired markets - (Proceedings)
Preece, J.E., Garrison, H.G., Aradhya, M.K., Ferguson, L., Crisosto, C., Norton, M. 2014. 2014 update of the field evaluation of new and underutilized fig cultivars for fresh and dired markets. Meeting Proceedings. California Walnut Board. Tab 5:1-6.
Evaluation of antioxidant activity, sugar composition, and flow packaging potential for california dried and fresh figs - (Proceedings)
Crisosto, C., Preece, J.E., Crisosto, G., Chan, H. 2014. Evaluation of antioxidant activity, sugar composition, and flow packaging potential for california dried and fresh figs. Meeting Proceedings. Vol.2013-2014, 1:1-3.
Register of new fruit and nut cultivars list 47 - (Peer Reviewed Journal)
Gasic, K., Preece, J.E. 2014. Register of new fruit and nut cultivars list 47. HortScience. 49(4):396-421.
Multiple loss-of-function 5-O-Glucosyltransferase alleles revealed in Vitis vinifera, but not in other Vitis species - (Abstract Only)
Development of disease-resistant walnut rootstocks: Integration of conventional and genomic approaches - (Proceedings)
Kluepfel, D.A., Browne, G.T., Mckenry, M., Hasey, J., Leslie, C., Aradhya, M.K., Hackett, W., Preece, J.E., Bostock, R., Seybold, S. 2014. Development of disease-resistant walnut rootstocks: Integration of conventional and genomic approaches. Walnut Research Conference. 77-87.
Luther Burbank's contributions to walnuts - (Peer Reviewed Journal)
Effects of ventilation and sucrose concentrations on the growth and plantlet anatomy of micropropagated persian walnut plants - (Peer Reviewed Journal)
Hassankhah, A., Vahdati, K., Lotfi, M., Mirmasoumi, M., Preece, J.E., Assareh, M. 2014. Effects of ventilation and sucrose concentrations on the growth and plantlet anatomy of micropropagated persian walnut plants. International Journal of Horticultural Science. 1(2):111-120.
Field evaluation of new and underutilized fig cultivars for fresh and dried markets Reprint Icon - (Proceedings)
Preece, J.E., Garrison, H.G., Aradhya, M.K., Ferguson, L., Crisosto, C., Norton, M. 2013. Field evaluation of new and underutilized fig cultivars for fresh and dried markets. Meeting Proceedings. Vol 1:tab 6, 1-3.
Cloning: plants – micropropagation/tissue culture ()
The Prunus collection at the National Clonal Germplasm Repository in Davis, California - (Peer Reviewed Journal)
Preece, J.E., Aradhya, M.K. 2013. The Prunus collection at the National Clonal Germplasm Repository in Davis, California. Acta Horticulturae. 985:47-54.
Genetic diversity, structure and differentiation within and between cultivated (Vitis vinifera L. ssp. sativa) and wild (Vitis vinifera L. ssp. sylvestris) grapes Reprint Icon - (Peer Reviewed Journal)
Zudunic, G., Preece, J.E., Aradhya, M.K., Velasco, D., Pitcher, A.M., Dangl, G.S. 2013. Genetic diversity, structure and differentiation within and between cultivated (Vitis vinifera L. ssp. sativa) and wild (Vitis vinifera L. ssp. sylvestris) grapes. Vitis. 52(1):29-32.
Genetic diversity, structure, and patterns of differentiation in the genus Vitis Reprint Icon - (Peer Reviewed Journal)
Aradhya, M.K., Wang, Y., Walker, M.A., Prins, B.H., Pitcher, A.M., Velasco, D., Gerrath, J.M., Dangl, G.S., Preece, J.E. 2012. Genetic diversity, structure, and patterns of differentiation in the genus Vitis. Plant Systematics and Evolution. 299(2):317-330.
Genetic diversity, structure, and patterns of differentiation in the genus vitis - (Peer Reviewed Journal)
Aradhya, M.K., Wang, Y., Walker, M., Prins, B.H., Pitcher, A.M., Velasco, D., Gerrath, J., Dangl, G., Preece, J.E. 2012. Genetic diversity, structure, and patterns of differentiation in the genus vitis. Plant Systematics and Evolution. 299:317-330.
Content of different groups of phenolic compounds in microshoots of Juglans regia cultivars and studies on antioxidant activity - (Peer Reviewed Journal)
Cheniany, M., Ebrahimzadeh, H., Vahdati, K., Preece, J.E., Masoudinejad, A., Mirmasoumi, M. 2012. Content of different groups of phenolic compounds in microshoots of Juglans regia cultivars and studies on antioxidant activity. In Vitro Cellular and Developmental Biology - Plants. 1-8.
Chilling and chipping influence plant growth and reproduction of star-of-Bethlehem (Ornithogalum umbellatum) - (Peer Reviewed Journal)
Johanning, N.R., Preece, J.E., Young, B.G. 2012. Chilling and chipping influence plant growth and reproduction of star-of-Bethlehem (Ornithogalum umbellatum). Journal of Invasive Plant Science and Management. doi.org/10.1614/IPSM-D-12-00004.1.
Evaluation of the phytosanitary status of the prunus species in the national clonal germplasm repository in california; survey of viruses, viroids and phytoplasmas - (Peer Reviewed Journal)
Osman, F., Rwahnih, M., Golino, D., Pitman, T., Cordero, F., Preece, J.E., Rowhani, A. 2012. Evaluation of the phytosanitary status of the prunus species in the national clonal germplasm repository in california; survey of viruses, viroids and phytoplasmas. Journal of Plant Pathology. 94(1):249-253.
The role of plant propagation at clonal genebanks - (Peer Reviewed Journal)
Preece, J.E. 2013. The role of plant propagation at clonal genebanks. Acta Horticulturae. 988:107-114.
Research on wild relatives of fruit and nut crops at the Davis repository - (Peer Reviewed Journal)
Aradhya, M.K., Preece, J.E. 2012. Research on wild relatives of fruit and nut crops at the Davis repository. Acta Horticulturae. 948:19-32.
Regeneration systems for pyramiding disease resistance into walnut rootstocks - (Proceedings)
Preece, J.E., Vahdati, K., Compton, P., Ibanez, A., Tran, Q., Gunawan, D., Duggal, A., Leslie, C., Tricoli, D., Dandekar, A. 2012. Regeneration systems for pyramiding disease resistance into walnut rootstocks. Walnut Research Conference. 57-64.
Clonal propagation of walnut rootstock genotypes for genetic improvement 2011 - (Proceedings)
Clonal propagation of walnut rootstock genotypes for genetic improvement 2011. Walnut Research Conference. 2011:103-128.
Phenotypic comparisons between wild relatives and cultivars of kiwifruit, persimmon, mulberry, and olive at the National Clonal Germplasm Repository, Davis, CA - (Peer Reviewed Journal)
Preece, J.E., Smith, J.L. 2012. Phenotypic comparisons between wild relatives and cultivars of kiwifruit, persimmon, mulberry, and olive at the National Clonal Germplasm Repository, Davis, CA. Acta Horticulturae. 948:175-180.
Somatic embryogenesis in immature cotyledons of Manchurian ash (Fraxinus mandshurica Rupr.) - (Peer Reviewed Journal)
Kong, D. 2011. Somatic embryogenesis in immature cotyledons of Manchurian ash (Fraxinus mandshurica Rupr.). Plant Cell Tissue And Organ Culture. 108:485-492.
Micropropagation in stationay liquid media Reprint Icon - (Peer Reviewed Journal)
Preece, J.E. 2011. Micropropagation in stationay liquid media. Propagation of Ornamental Plants. 10(4):183-187.
Factors associated with the mother bulb of star-of-bethlehem that influence daughter bulb production - (Abstract Only)
Efficiencies in alginate encapsulation of vegetative explants Reprint Icon - (Peer Reviewed Journal)
George, L.J., Preece, J.E. 2010. Efficiencies in Alginate Encapsulation of Vegetative Explants. HortScience. 45(8):S163
Acclimatization of plantlets from in vitro to the ambient environment ()
Preece, J.E. 2010. Acclimatization of plantlets from in vitro to the ambient environment. Wiley Encyclopedia of Industrial Biotechnology. DOI:10.1002/9780470054581.eib593 p. 1-9.
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