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Corn Yield Loss Estimates Due to Diseases in the United States and Ontario, Canada from 2012 to 2015

    Affiliations
    Authors and Affiliations
    • Daren S. Mueller , Department of Plant Pathology and Microbiology, Iowa State University, Ames 50011
    • Kiersten A. Wise , Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907
    • Adam J. Sisson , Department of Plant Pathology and Microbiology, Iowa State University, Ames 50011
    • Tom W. Allen , Delta Research and Extension Center, Mississippi State University, Stoneville 38776
    • Gary C. Bergstrom , Department of Plant Pathology and Plant-Microbe Biology Section, Cornell University, Ithaca, NY 14853
    • D. Bruce Bosley , Colorado State University Extension, Fort Collins 80523
    • Carl A. Bradley , Department of Plant Pathology, University of Kentucky Research and Education Center, Princeton 42445
    • Kirk D. Broders , Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins 80523
    • Emmanuel Byamukama , Department of Plant Pathology, South Dakota State University, Brookings 57007
    • Martin I. Chilvers , Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing 48824
    • Alyssa Collins , Department of Plant Pathology and Environmental Microbiology, Southeast Agricultural Research and Extension Center, The Pennsylvania State University, Manheim 17545
    • Travis R. Faske , Lonoke Research and Extension Center, University of Arkansas, Lonoke 72086
    • Andrew J. Friskop , Department of Plant Pathology, North Dakota State University, Fargo 58102
    • Ron W. Heiniger , Department of Crop Science, North Carolina State University, Plymouth 27962
    • Clayton A. Hollier , Department of Plant Pathology and Crop Physiology, Louisiana State University, Baton Rouge 70803
    • David C. Hooker , Department of Plant Agriculture, University of Guelph, Ridgetown, Ontario, Canada N0P 2C0
    • Tom Isakeit , Department of Plant Pathology and Microbiology, Texas A&M University, College Station 77843
    • Tamra A. Jackson-Ziems , Department of Plant Pathology, University of Nebraska–Lincoln, 68588
    • Douglas J. Jardine , Department of Plant Pathology, Kansas State University, Manhattan 66506
    • Heather M. Kelly , Department of Entomology and Plant Pathology, West Tennessee Research and Education Center, University of Tennessee, Jackson 38301
    • Kasia Kinzer , Department of Plant Pathology, North Dakota State University, Fargo 58102
    • Steve R. Koenning , Department of Plant Pathology, North Carolina State University, Raleigh 27695
    • Dean K. Malvick , Department of Plant Pathology, University of Minnesota, St. Paul 55108
    • Marcia McMullen , Department of Plant Pathology, North Dakota State University, Fargo 58102
    • Ron F. Meyer , Colorado State University Extension, Burlington 80807
    • Pierce A. Paul , Department of Plant Pathology, The Ohio State University, Wooster 44691
    • Alison E. Robertson , Department of Plant Pathology and Microbiology, Iowa State University, Ames 50011
    • Gregory W. Roth , Department of Plant Science, The Pennsylvania State University, University Park 16802
    • Damon L. Smith , Department of Plant Pathology, University of Wisconsin-Madison, Madison 53706
    • Connie A. Tande , Plant Science Department, South Dakota State University, Brookings 57007
    • Albert U. Tenuta , Ontario Ministry of Agriculture, Food and Rural Affairs, Ridgetown, Ontario, Canada, NOP 2C0
    • Paul Vincelli , Department of Plant Pathology, University of Kentucky, Lexington 40546
    • Fred Warner , Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing 48824

      Published Online:https://doi.org/10.1094/PHP-RS-16-0030

      Annual decreases in corn yield caused by diseases were estimated by surveying members of the Corn Disease Working Group in 22 corn-producing states in the United States and in Ontario, Canada, from 2012 through 2015. Estimated loss from each disease varied greatly by state and year. In general, foliar diseases such as northern corn leaf blight, gray leaf spot, and Goss's wilt commonly caused the largest estimated yield loss in the northern United States and Ontario during non-drought years. Fusarium stalk rot and plant-parasitic nematodes caused the most estimated loss in the southern-most United States. The estimated mean economic loss due to yield loss by corn diseases in the United States and Ontario from 2012 to 2015 was $76.51 USD per acre. The cost of disease-mitigating strategies is another potential source of profit loss. Results from this survey will provide scientists, breeders, government, and educators with data to help inform and prioritize research, policy, and educational efforts in corn pathology and disease management.

      Accepted for publication 26 August 2016.