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Nathan Walker

Professor

Entomology & Plant Pathology

Orcid identifier0000-0002-8069-9960 (opens in a new tab)⁠
  • Professor
    Entomology & Plant Pathology
  • Extension Specialist for Turf Disease and Pest Diagnosis
    OSU Extension
  • 405-744-6830 (Work)
  • Oklahoma State University, 311F Nobel Research Center, Stillwater, Oklahoma, 74078, United States
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TEACHING SUMMARY

ENTO/PLP 3663: Turfgrass Integrated Pest Management
PLP 5004: Plant Nematology
ENTO/PLP 5524: Integrated Pest Management

TEACHING

  • COURSE TAUGHT
    Master's Research and Thesis
    8 Jun 2026 - 31 Jul 2026
    Research for the MS degree. Offered for variable credit, 1-6 credit hours, maximum of 6 credits. Previously offered as ENTO 5000.
  • COURSE TAUGHT
    Integrated Management of Insect Pests and Pathogens
    12 Jan 2026 - 1 May 2026
    Modern theory and practices for management of insect pest and pathogens in plant production systems, emphasizing an ecologically-based, integrated approach. Basic concepts of pest management, decision-making, cost/benefit analysis and risk/benefit analysis. Previously offered as PLP 5524 and PLP 5523 and ENTO 5523.Prerequisite(s): ENTO 2993 and PLP 3344.
  • COURSE TAUGHT
    Pesticide Applications
    18 Aug 2025 - 5 Dec 2025
    Introduction of the contemporary concepts and applications of integrated control practices available for managing pests and emphasizes decision making tools for use in pest management programs based on pesticides. Concepts include equipment calibration, proper mixing equations, and proper application equations. May not be used for degree credit with ENPP 5423.
  • COURSE TAUGHT
    Pesticide Applications
    18 Aug 2025 - 5 Dec 2025
    Introduction of the contemporary concepts and applications of integrated control practices available for managing pests and emphasizes decision making tools for use in the pest management programs based on pesticides. concepts include equipment calibration, proper mixing equations and proper application equations. May not be used for degree credit with ENPP 4423.
  • COURSE TAUGHT
    Turfgrass Integrated Pest Management
    13 Jan 2025 - 2 May 2025
    The biology, ecology, and identification of fungal, nematode and insect turfgrass pest. Contemporary concepts and applications of integrated control practices available for managing turfgrass pest presented along with decision-making tools for use in turfgrass pest management programs. Same course as ENTO 3663. Previously offered as PLP 3663.
  • COURSE TAUGHT
    Integrated Management of Insect Pests and Pathogens
    16 Jan 2024 - 3 May 2024
    Modern theory and practices for management of insect pest and pathogens in plant production systems, emphasizing an ecologically-based, integrated approach. Basic concepts of pest management, decision-making, cost/benefit analysis and risk/benefit analysis. Previously offered as PLP 5524 and PLP 5523 and ENTO 5523.Prerequisite(s): ENTO 2993 and PLP 3344.
  • COURSE TAUGHT
    Pesticide Applications
    16 Jan 2024 - 3 May 2024
    Special topics in plant pathology, entomology or related fields. Same course as PLP 4400.Offered for variable credit, 1-3 credit hours, maximum of 3 credit hours.Prerequisite(s): Consent of instructor.
  • COURSE TAUGHT
    Pesticide Applications
    16 Jan 2024 - 3 May 2024
    Selected studies in the area of entomology, acarology or araneology or Plant Pathology. Previously offered as ENTO 5020.Offered for variable credit, 1-8 credit hours, maximum of 8 credit hours.Prerequisite(s): Graduate standing.
  • DEVELOPMENT OF NEW COURSE / TRAINING
    ENTO 4400, Pesticide Applications
    1 Jan 2024
  • COURSE TAUGHT
    Doctoral Research and Dissertation
    21 Aug 2023 - 8 Dec 2023
    Research for the PhD degree. Previously offered as PLP 6000.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Doctoral Research and Dissertation
    12 Jun 2023 - 4 Aug 2023
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Advanced Turfgrass Integrated Pest Management
    17 Jan 2023 - 5 May 2023
    Offered for variable credit, 1-5 credit hours, maximum of 10 credit hours.Prerequisite(s): Consent of instructor.
  • COURSE TAUGHT
    Research
    17 Jan 2023 - 5 May 2023
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Turfgrass Integrated Pest Management
    17 Jan 2023 - 5 May 2023
    The biology, ecology, and identification of fungal, nematode, and insect turfgrass pests. Contemporary concepts and applications of integrated control practices available for managing turfgrass pests along with decision-making tools for use in turfgrass pest management programs. Same course as PLP 3663.Prerequisite(s): PLP 3343 or ENTO 2993.
  • COURSE TAUGHT
    Turfgrass Integrated Pest Management
    17 Jan 2023 - 5 May 2023
    The biology, ecology and identification of fungal, nematode and insect turfgrass pests. Contemporary concepts and applications of integrated control practices available for managing turfgrass pests presented along with decision-making tools for use in turfgrass pest management programs. Same course as ENTO 3663.Prerequisite(s): PLP 3343, ENTO 2993.
  • COURSE TAUGHT
    Doctoral Research and Dissertation
    22 Aug 2022 - 9 Dec 2022
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Doctoral Research and Dissertation
    6 Jun 2022 - 29 Jul 2022
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Integrated Management of Insect Pests and Pathogens
    10 Jan 2022 - 29 Apr 2022
    Modern theory and practices for management of insect pests and pathogens in plant production systems, emphasizing an ecologically-based, integrated approach. Basic concepts of pest management, decision-making, cost/benefit analysis and risk/benefit analysis. Same course as PLP 5524. Previously offered as ENTO 5523.Prerequisite(s): ENTO 2993 and PLP 3344 or equivalent or consent of instructor.
  • COURSE TAUGHT
    Integrated Management of Insect Pests and Pathogens
    10 Jan 2022 - 29 Apr 2022
    Modern theory and practices for management of insect pests and pathogens in plant production systems, emphasizing an ecologically-based, integrated approach. Basic concepts of pest management, decision-making, cost/benefit analysis, and risk/benefit analysis. Same course as ENTO 5524. Previously offered as PLP 5523.Prerequisite(s): PLP 3343, ENTO 2993 or equivalent or consent of instructor.
  • COURSE TAUGHT
    Research
    10 Jan 2022 - 29 Apr 2022
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Research
    16 Aug 2021 - 3 Dec 2021
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Research
    7 Jun 2021 - 30 Jul 2021
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Research
    19 Jan 2021 - 30 Apr 2021
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.
  • COURSE TAUGHT
    Turfgrass Integrated Pest Management
    19 Jan 2021 - 30 Apr 2021
    The biology, ecology and identification of fungal, nematode and insect turfgrass pests. Contemporary concepts and applications of integrated control practices available for managing turfgrass pests presented along with decision-making tools for use in turfgrass pest management programs. Same course as ENTO 3663.Prerequisite(s): PLP 3343, ENTO 2993.
  • COURSE TAUGHT
    Research
    17 Aug 2020 - 4 Dec 2020
    Research for the PhD degree.Offered for variable credit, 1-12 credit hours, maximum of 36 credit hours.