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Mae Culumber

Nut Crops Farm Advisor
Cooperative Extension Fresno County
550 E. Shaw Avenue, Suite 210-B
(559) 241-7515
Fresno, CA 93710
cmculumber@ucanr.edu Create VCard

Also in:
Kings County


Ph.D. Soil science and agroecology, Utah State University. 2016
M.S. Plant science, molecular ecology, Utah State University. 2007
B.S. Biology, University of Wisconsin - Stevens Point. 2002

Areas of Expertise (click to see all ANR academics with this expertise)


Peer Reviewed

  • Maguvu, T., Frias, R., Henandez-Rosas, A., Holtz, B., Culumber, M., Niederholzer, F., Duncan, R., Gordon, P., Rolshausen, P., Adaskaveg, J., and F. Trouillas. (2023) Improving the detection and risk prediction of Pseudomonas syringae causing bacterial blast and bacterial canker of almonds. Acta Horticulturae (In press)


  • Gao, S., Hendratna, A., Thao, T., Culumber, C.M., Poret-Peterson, A, Zuber, C., Holtz, B.A. 2024. Influence of woodchip size and nitrogen fertilization on carbon dioxide and nitrous oxide emissions from soils amended with orchard biomass. Soil Science Society of America Journal Vol. n/a Issue n/a

  • Maguvu, T., Frias, R., Hernandez-Rosas, A., Holtz, B.A., Niederholzer, F.J., Duncan, R.D., Yaghmour, M.A., Culumber, C.M., Gordon, P.E., Vieira, F., Rolshausen, P., Adaskaveg, J., Burbank, L.P., Lindow, S.E. 2024. Phylogenomic analyses and comparative genomics of Pseudomonas syringae associated with almond (Prunus dulcis) in California. 

  • Wang, Z., Culumber, C.M., and K.M. Bali (2023) "Chapter 12: Application of Chemical Materials" In: Microirrigation for Crop Production, J. Ayars, Elsevier, 2023. 

  • Jahanzad, E. , K. M. Brewer, A. T. Poret-Peterson, C. M. Culumber, B. A. Holtz and A. C. M. Gaudin. 2022. Effects of whole-orchard recycling on nitrate leaching potential in almond production systems. Journal of Environmental Quality 2022 Vol. 51 Issue 5 Pages 941-951

  • Holland, L. A., Trouillas, F. P., Nouri, M. T., Lawrence, D. P., Crespo, M., Doll, D. A., Duncan, R. A., Holtz, B. A., Culumber, C. M., Yaghmour, M. A., Niederholzer, F., Lightle, D. M., Jarvis-Shean, K. S., Gordon, P. E., & Fichtner, E. J. (2021). Fungal Pathogens Associated With Canker Diseases of Almond in California. Plant disease105(2), 346–360. https://doi.org/10.1094/PDIS-10-19-2128-RE

  • Poret Peterson A., E. Jahanzad, A. Gaudin, C.M. Culumber, B.A. Holtz (2021). Food and Agriculture Organization of the United Nations, Recarbonizing global soils: A technical manual of recommended management practices. Cropland, Grassland, Integrated Systems and Farming Approaches Case Studies. 4, 515-522. 

  • Nouri, M. T., D.P. Lawrence, L.A. Holland, D.A. Doll, C.E. Kallsen, C.M. Culumber, and F.P. Trouillas 2019. Identification and pathogenicity of fungal species associated with canker diseases of pistachio in California. Plant Disease. https://doi.org/10.1094/PDIS-10-18-1717-RE

  • Culumber C.M., J.R. Reeve, B.L. Black, C.V. Ransom, and D.G. Alston. 2019. Organic Orchard Floor Management Impact on Soil Quality Indicators: Nutrient Fluxes, Microbial Biomass and Activity. Nutrient Cycling in Agroecosystems. 115(1), 101-115. https://doi.org/10.1007/s10705-019-10007-2.

  • Thomsen, E.O., Reeve, J.R., Culumber, C.M., Alston, D.G., Newhall, R., and G. Cardon. 2019 Simple Soil Tests for On-Site Evaluation of Soil Health in Orchards. Sustainability 11, 6009.

  • Yufang, J., H. Ruyan, G. Marino, M.Whiting, E. Kent, B. Sanden, M. Culumber, L. Ferguson, C. Little, S. Grattan, K.T. Paw U, L. Lagos, R.Snyder, D. Zaccaria. 2018. Spatially variable evapotranspiration over salt affected pistachio orchards analysed with satellite remote sending estimates. Agricultural and Forest Meteorology 262, 178-191.

  • Browne B., N. Ott, A. Poret-Peterson, B. Lampinen, S. Metcalf, M. Yaghmour, B. Holtz, M. Culumber, and G. Brar. 2018. Anaerobic soil disinfestation as an alternative to soil fumigation for management of Prunus replant disease: effects on tree growth and yield. Acta Horticulturae 1219, 287-294.

  • Nouri, M.T., G. Zhuang, C. M. Culumber, and F. P. Trouillas. (2018). First report of Macrophomina phaseolina causing trunk and cordon canker disease of Grapevine in the United States. Plant Disease. 3: 579.

  • Doll, D. J. Coelho, M. Zwieniecki, L. Zhang, L. Ferguson, M. Culumber. 2018. The evaluation of winter kaolin clay and dormant oil applications on chill accumulation and yield in the California pistachio ( Pistacia vera ) cultivars ‘Kerman’ and ‘Peters’. Acta Horticulturae. 111-118. 

  • Holtz, B., Browne, G.T., Doll, D., Culumber, M., Yaghmour, M.A., Jahanzad, E., Lampinen, B. and Gaudin, A. (2018). Whole almond orchard recycling and the effect on second generation tree growth, yield, light interception, and soil fertility. Acta Hortic. 1219, 265-272
    DOI: 10.17660/ActaHortic.2018.1219.41
  • Tebeau, A.S., D.G. Alston, C.V. Ransom, B.L. Black, J.R. Reeve, and C.M. Culumber. 2017. Effects of Floor Vegetation and Fertility Management on Weed Biomass and Diversity in Peach Orchards. Weed Technology, 31: 404-415

  • Reeve, J.R. C.M. Culumber, B.L. Black, A.S. Tebeau, C.V. Ransom, D.G. Alston, M.A. Rowley, and T. Linstrom. 2017. Establishing peach trees for organic production in Utah and the Intermountain West. Scientia Horticulturae 214, 242–251

  • Culumber, C.M., S.R. Larson, T.A. Jones, and K.B. Jensen. 2013. Wide-scale Population Sampling Identifies Three Phylogenetic Races of Leymus cinereus and Low-level Genetic Admixture with Leymus triticoides. Crop Science. 53: 996-1007.

  • Culumber C.M., S.R. Larson, K.B. Jensen, and T.A. Jones. 2011. Genetic Structure of Eurasian and North American Leymus (Triticeae) Wildryes Assessed by Chloroplast DNA Sequences and AFLP Profiles. Plant Systematics and Evolution. 294: 207-225.

  • Larson S.R., C.M. Culumber, R.N. Schweigert, and J.R. Chatterton 2010. Species Delimitation Tests of Endemic Lepidium papilliferum and Identification of Other Possible Evolutionarily Significant Units in the Lepidium montanum Complex (Brassicaceae) of Western North America. Conservation Genetics 11: 57-76

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