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  • Expert Resources

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    What is an Expert Resource?


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  1. Home
  2. Our People
  3. Mark Czarnota

Mark Czarnota


Associate Professor; Emphasis: weed control in ornamentals, small fruits, Christmas trees

Horticulture

Mark Czarnota
Mark Czarnota
Areas of expertiseAboutEducationCoursesScholarly works

Areas of expertise

Horticultural ProductionHorticultural Crop Protection (Pests, Diseases and Weeds)Horticultural Crop Growth and Development

About

Dr. Mark Andrew Czarnota is an Associate Professor (23% Research, 57% Extension, 15% Service, 5% Teaching) in the Department of Horticulture at the University of Georgia, Griffin Campus. His job responsibilities include supporting the nursery and landscape, Christmas tree, floriculture, and small fruit industries with weed control problems they might be encountering. He has been involved in the Plant Science Field all his life. He has held positions in landscape maintenance, commercial nurseryman, nursery sales, and as a laboratory technician between his many years of schooling. He received a B.S. degree in Agriculture specializing in Plant Science from the University of Delaware, M.S. in Agriculture specializing in Weed Science from Virginia Tech, and a Ph.D. in Floriculture and Ornamentals Horticulture specializing in Weed Science from Cornell University. As an extension specialist at the University of Georgia, he supports the nursery, landscape, Christmas tree, and small fruit industries by working with the agricultural chemical industry, federal government, and local grower groups to try and solve weed problems. In his personal life, Dr. Czarnota has been married for 20+ years, has 2 children, and a few dogs. His major hobbies include gardening, taekwondo, weight training, wood / metal working, and enjoying time with the family!

Education

Doctor of Philosophy, Horticultural Science

Cornell University, NY, United States (2001)

Master of Science, Agriculture, General

Virginia Polytechnic Institute & State University – Blacksburg, VA, United States (1995)

Bachelor of Science, Plant Sciences, General

University of Delaware, DE, United States (1989)

Courses

  • CRSS 6340L: Weed Science Laboratory (Fall 2026)

Scholarly Works

  • Weed control in noncropland, (2025).
    Czarnota M, Singleton T
  • Grass roadside vegetation management, (2025).
    Czarnota M, Singleton T
  • Ethephon applications delay the bloom of southern highbush cultivars, (2025).
    Carcamo L, Brannon M, Czarnota M, Ames ZR
  • Ethephon applications delay the bloom of southern highbush cultivars, Acta Horticulturae, (2025).
    Carcamo L, Brannon M, Czarnota M, Ames ZR
  • Activity and Persistence of Sorgoleone, a Long-Chain Hydroquinone Produced by Sorghum bicolor, (2024).
    Weston LA, Czarnota MA

View full list of scholarly works

Contact

mac30@uga.edu

Mailing Address

1109 Experiment Street
Stress Physiology Building
Griffin, GA 30223

Shipping Address

1109 Experiment Street
Stress Physiology Building
Griffin, GA 30223

  • UGA – Horticultural Department

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Stories

  • Control troublesome vines in your landscape
    June 11, 2003

    Control troublesome vines in your landscape

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  • Weedy vines can be a pain in the landscape
    Feb. 21, 2003

    Weedy vines can be a pain in the landscape

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  • Weeds: If you can’t beat ’em, eat ’em!
    Nov. 7, 2002

    Weeds: If you can’t beat ’em, eat ’em!

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  • Amazing native plant generally unappreciated
    Nov. 7, 2002

    Amazing native plant generally unappreciated

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  • Landscapes’ Last Defense Against Weeds
    March 21, 2002

    Landscapes’ Last Defense Against Weeds

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  • Nut Grass a Mighty Hard Weed to Control
    Aug. 29, 2001

    Nut Grass a Mighty Hard Weed to Control

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Expert Resources

  • Fruit and Nuts Pest Management

    April 7, 2026

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  • Ornamentals Pest Management

    April 7, 2026

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  • Forestry and Christmas Trees Pest Management

    April 7, 2026

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  • Ornamentals Pest Management

    March 18, 2026

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  • Controlling Poison Ivy in the Landscape

    July 29, 2025

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  • greenbrier is a vine with thorns and bright green heart-shaped leaves

    Controlling Greenbrier

    May 14, 2014

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