Timothy Miles, Ph.D.

Timothy Miles

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Assistant Professor - Extension Specialist for diseases of blueberries, grapes, hops and other berry crops.
Department of Plant, Soil and Microbial Sciences



B.S., Western Michigan University, Biology
Ph.D., Michigan State University, Plant Pathology

  • Follow on Google Scholar for a complete list of publications.
  • Follow on Twitter to see current information and up to date extension.
  • If you are interested in results from fungicide efficacy studies click here.
  • Visit our website for information about the Small Fruit and Hop Pathology program at Michigan State University.

General areas of expertise:

Focused on diseases of hops, blueberries, grapes and other berry crops. Topics of study currently include: mycology, genomics, population genetics, pathogen detection, molecular diagnostics and host resistance.

Recent publications (2018-present):

  1. Higgins, D., Miles, T.D., Hausbeck, M. 2020. Fungicide efficacy against Pseudoperonospora humuli and assessment of point-mutations linked to carboxylic acid amide (CAA) resistance in Michigan. Plant Disease (accepted with revision).
  2. Miles, T.D., Hancock, J. 2020. Inheritance of resistance to anthracnose fruit rot caused by Colletotrichum acutatum in highbush blueberry. Int. J. Fruit Sci. (accept with revision).
  3. Wise, J., Miles, L.A., Acimovic, D., Vandervoort, C., Isaacs, R., Miles, T.D., Schilder, A.M.C. 2020. Sprayer type and water volume influence spatial patterns of pesticide deposition and control of diseases and insect pests of highbush blueberries. Int. J. Fruit Sci. (in press).
  4. Higgins, D., Hatlen, R., Byrne, J., Sakalidis, M., Miles, T.D., Hausbeck, M. 2020. Etiology of halo blight in Michigan hopyards. Plant Disease (in First Look).
  5. Alzohairy, S.A., Gillett, J., Saito, S., Naegele, R., Xiao, C.L., Miles, T.D. 2020. Fungicide resistance profiles of Botrytis cinerea isolates from Michigan vineyards and development of a TaqMan assay for detection of fenhexamid resistance. Plant Disease (in First Look).
  6. Miles, T.D., Neill, T., Colle, M., Warneke, B., Robinson, G., Stergiopoulos, I., Mahaffee. 2020. Allele-specific detection methods for QoI fungicide resistant Erysiphe necator in vineyards. Plant Disease (in First Look).
  7. Purayannur, S., Miles, T.D., Gent, D.H., Pigg, S., Quesada-Ocampo, L.M. 2020. Hop downy mildew caused by Pseudoperonospora humuli: a diagnostic guide. Plant Health Progress 21:173–179.
  8. McCoy, A.G., Miles, T.D., Bilodeau, G.J., Woods, P., Blomquist, C., Martin, F.N., Chilvers, M.I. 2020. Validation of a preformulated, field deployable, recombinase polymerase amplification assay for Phytophthora species. Plants 9:466.
  9. Belise, R. J., McKee, B, Hao, W., Miles, T.D., Adaskaveg, J., Manosalva, P. 2019. Phenotypic characterization of genetically distinct Phytophthora cinnamomi isolates from avocado. Phytopathology 109:384-394.
  10. Crandall, S.G., Rahman, A., Quesada-Ocampo, L., Martin, F. Miles, T.D. 2018. Advances in diagnostics of downy mildews: lessons learned from other oomycetes and future challenges. Plant Dis. Feature Article 102:265-275.
  11. Hao, W., Miles, T.,D. Martin, F.N., Browne, G.T., Forster, H., Adaskaveg, J. 2018. Temporal occurrence and niche preferences of Phytophthora species causing brown rot of citrus in the Central Valley of California. Phytopathology 108:384-391.
  12. Miles, T.D., Glass, B.W., Sysak, R.W., Schilder, A.M.C. 2018. Post-plant strategies for management of black root rot-related decline of perennial strawberry fields. Crop Protection 104:78-85.
  13. Tsuchida, C.T., Mauzey, S. J., Hatlen, R., Miles, T.D., Koike, S.T. 2018. First report of Pythium root rot caused by Pythium mastophorum on Parsley in the United States. Plant Dis. 102: 1671.
  14. Shands, A.C., Crandall, S.G., Ho, T., Miles, T.D. 2018. First report of leaf rust on southern highbush blueberry caused by Thekopsora minima in California. Plant Dis. 102:1171. 
  15. Shands, A.C., Crandall, S.G., Miles, T.D. 2018. First report of leaf rust on California blackberry (Rubus ursinus) caused by Kuehneola uredinis in California. Plant Dis. 102:682.

A complete list of peer reviewed publications is also available on my website here.