Extension
Our lab specializes woody ornamental disease identification and working closely with nursery producers, TSU/University of Tennessee extension agents and Tennessee Department of Agriculture regulatory officials to provide diagnoses of biotic and abiotic problems and management recommendations to support sustainable nursery production in Tennessee.
Extension Meetings
2024
VSD research updates. TNLA Field day, McMinnville, TN. May 16, 2024.
VSD research updates. MTNA Field day, McMinnville, TN. April 18, 2024.
Dealing with diseases in the landscape. Warren County Master Gardener’s class. April 16, 2024. McMinnville, TN.
Conifer Diseases. 2024 PickTN Conference. Franklin, TN. Feb 16, 2024.
Does Soilborne Pathogen Predispose Field Nursery Tree Crop to Flatheaded Borer Attacks? FHB and AB meeting McMinnville, TN Jan 23-25, 2024. (Parajuli, M., Baysal-Gurel, F, Oksel, C.)
Evaluation of Plant Defense Elicitor (Acibenzolar-S-methyl) to Control Ambrosia Beetles on Flowering Dogwoods Exposed to Simulated Flood Stress. FHB and AB meeting McMinnville, TN Jan 23-25, 2024. (Oksel, C., Parajuli, M., Neupane, K., Ranger, C. M., Oliver, J. B., Addesso, K. M., Baysal-Gurel, F.)
Phytophthora Root Rot and Ambrosia Beetle Attacks. FHB and AB meeting McMinnville, TN Jan 23-25, 2024. (Oksel, C., Parajuli, M., Baysal-Gurel, F.)
Xylosandrus Ambrosia Beetles Preference of Field Nursery Tree Species for Attacks and Colonization Under Flood and Drought Stress. FHB and AB meeting McMinnville, TN Jan 23-25, 2024. (Parajuli, M., Baysal-Gurel, F., Ranger, C. M., Oksel, C., Neupane, K., Gresham, S., Barnett, J., Villani, S., Walgenbach, J., Reding, M.)
2023
Vascular Streak Dieback Update. AmericanHort, Cultivate'23. July 15-18, 2023. Greater Columbus Convention Center, Columbus, Ohio.
Back2Basics: Sanitation Best Practices for Nurseries. AmericanHort, Cultivate'23. July 15-18, 2023. Greater Columbus Convention Center, Columbus, Ohio.
VSD research updates. TNLA / UT Green Industry Field day. June 27, 2023. UT Gardens, Knoxville, TN.
Dealing with diseases in the landscape. Warren County Master Gardener’s class. April 6, 2023. McMinnville, TN.
Dealing with diseases in the landscape. TEMG intern training. March 28, 2023. Virtual presentation.
Boxwood blight disease management. Nashville Lawn and Garden Show. March 2, 2023. Nashville, TN.
VSD research updates. MTNA meeting. February 23, 2023. TSU NRC, McMinnville, TN.
BBIG Boxwood blight Advisory Board Meeting presentations. February 16, 2023. (with Bhawana Ghimire).
Boxwood blight disease management. Advanced turf solutions Meeting. January 31, 2023. Lebanon, TN.
Sanitation for Boxwood Blight Management. KNLA Winter conference. January 25-26, 2023, at the Holiday Inn East-Louisville in Louisville, KY.
Boxwood blight disease management- woody ornamental disease update. UT- 2023 LANDSCAPE SHORT COURSE Green Team Landscape Meeting. January 12, 2023. Franklin, TN.
2022
Greenhouse Sanitation Virtual Talk for Massachusetts growers. November 17, 2022.
2022 Tennessee Urban Forestry Council State Conference. Burns, TN. November 9-10, 2022.
Vascular Streak Dieback of Redbud- Updates. MTNA Horticultural EXPO. McMinnville, TN. September 29, 2022.
Vascular Streak Dieback of Redbud and Other Important Woody Ornamental Disease Updates. TNLA Field Day. McMinnville, TN. August 25, 2022.
Scouting pest and diseases. TNLA Field Day. McMinnville, TN. August 25, 2022. (with Dr. Luisa Santamaria and Dr. Donna Fare).
Sanitation in the Greenhouse. Cultivate’22. Columbus, OH. July 18, 2022.
Boxwood Blight Insight Group (BBIG): Sanitation and Nursery Practices. Cultivate’22. Columbus, OH. July 17, 2022.
Plant Diseases. 2022 TN Warren County Master Gardener Class. McMinnville, TN. March 29, 2022.
Boxwood blight identification and management at the Dixon Gallery and Gardens. February 18, 2022. Memphis, TN.
2021
Botrytis Prevention and Management (Cover Bloom Safety). Northeast Greenhouse Conference and Expo 2021. November 3-4, 2021. Boxborough, MA.
Sanitation for Disease Management. Northeast Greenhouse Conference and Expo 2021. November 3-4, 2021. Boxborough, MA.
NIFA Reporting System in-service training for TSU College of Agriculture Extension faculty, September 17, 2021 (13 faculties and administrators with Dr. Bhatti S.).
Dealing with diseases in the landscapes. UT-TEMG Central Region Virtual Conference/Workshop, June 24, 2021 (96 TN Master Gardeners).
Boxwood blight identification and management. Middle TN Landscape & Grounds Virtual Shortcourse. Jan 12-13, 2021 (120 nursery growers and landscapers from Middle TN).
2020
Impact of climate change on Plant Diseases and their management. Climate change workshop. Murfreesboro, TN. March 11, 2020.
Plant Diseases. 2020 TN Warren County Master Gardener Class. McMinnville, TN. March 3, 2020.
Pepper diseases and their management. 2020 in-service training. Murfreesboro, TN. February 25, 2020.
Sanitation for boxwood blight management. Boxwood health workshop. Aurora, OR. February 4, 2020.
Impact of climate change on Plant Diseases and their management. Climate change workshop. Jackson, TN. January 22, 2020.
2019
Boxwood diseases and their management. Boxwood Diseases & Pests Workshop. TSU, Clarksville, TN. November 15, 2019.
Boxwood diseases and their management. Boxwood Diseases & Pests Workshop. TSU, Lebanon, TN. November 14, 2019.
Boxwood diseases and their management. Boxwood Diseases & Pests Workshop. TSU, Nashville, TN. November 13, 2019.
Diseases of Trees- Carroll County 4-H forestry teams. SUNRC- McMinnville, TN. October 8, 2019.
Managing hard to manage nursery and landscape pests: Ambrosia beetles, Japanese maple scale, and Phytophthora. 19th Annual nursery crop field day, Cladwell County Nurserymen’s Association. Lenoir, NC. September 30, 2019. (with Dr. Karla Addesso and Dr. Jason Oliver)
Boxwood blight/Riverbend Nurseries Customer Appreciation Day. August 20, 2019. Franklin, TN.
Phytophthora Disease Management- TSU Nursery Field Day. July 25, 2019. McMinnville, TN.
2019 Junior Master Gardener Daycamp. June 18, 2019. McMinnville, TN.
Agriculture in the Classroom Science Workshop. Management of Fungal Plant Pathogens. June 12, 2019. McMinnville, TN.
Ben Lomand Garden club- Plant Diseases common in Tennessee. June 7, 2019. McMinnville, TN.
Madison County Extension agents in service training. May 14, 2019. Jackson, TN.
SOD and Boxwood blight training for TDA plant inspectors. April 4, 2019. Boyd Nursery, McMinnville, TN.
TN Warren County Master Gardener Class. March 19, 2019. McMinnville, TN.
Ornamental diseases and their management. 2019 PickTN Conference. February 23, 2019. Franklin, TN.
Boxwood Diseases and their management. SiteOne University. February 20, 2019. Wilson County Expo Center. Lebanon, TN.
Ornamental Disease Management Research Updates. Advanced Pest &Disease Workshop, WinterGreen Tradeshow & Conference. January 24, 2019. Duluth, GA.
Best Management Practices for Boxwood Diseases. The 2019 Green Express Horticultural Short Course, January 4, 2019. Chattanooga State College, Chattanooga, TN.
2018
Boxwood Disease Management Updates. TDA Shipping Meeting. McMinnville, TN. December 13, 2018.
TSUNRC Plant Pathology Program updates. IPPS tour. McMinnville, TN. October 21, 2018.
Boxwood Diseases and their management. Tennessee Nursery Field day. McMinnville, TN. July 24, 2018.
Boxwood Diseases and their management. MTNA Field day. McMinnville, TN. June 14, 2018.
Boxwood Disease Landscaper Workshop. Murfreesboro, TN. February 9, 2018.
2017
Boxwood Disease Training. McMinnville, TN. November 9, 2017.
Tennessee Nursery Field Day. McMinnville, TN. June 20, 2017.
Tennessee Warren County Master Gardener Class. McMinnville, TN. January 17, 2017.
McMinnville Garden Club Meeting. McMinnville, TN. January 10, 2017.
2016
Diseases of trees. Shelby and Williamson Counties 4-H group visit, McMinnville, TN, May 2, 2016.
Common landscape and garden diseases of Tennessee. Third Tuesday Field days and Education workshops. Tennessee State University, Nashville, TN. April 19, 2016.
Garden diseases and control. 7th Annual Giles County Lawn Garden and Home Show, Pulaski, TN, February 8, 2016.
Plant Diseases. 2016 TN Master gardener classes. TSU NRC, McMinnville, TN, February 2, 2016.
2015
Diseases of trees. Williamson Co. 4-H group visit, McMinnville, TN, August 14, 2015. (with Dr. A. Blalock)
Woody Ornamental Pathology Program. TDA plant certification section meeting, McMinnville, TN, July 9, 2015.
Extension Workshops
Workshops and Trainings
Junior Master Gardener Daycamp. July 20, 2022. TSUNRC, McMinnville, TN.
Plant diseases. MTSU-Biotechnology class. March 3, 2022 (8 undergraduate students).
Plant diseases. MTSU-Biotechnology class. November 11, 2021 (10 undergraduate students).
Dealing with diseases in the landscapes. UT-TEMG Central Region Virtual Conference/Workshop, June 24, 2021 (96 TN master gardeners).
Oliver, J., K. Addesso, D. Fare, F. Baysal-Gurel, A. Witcher, N. Youssef, J. Basham, P. O'Neal, B. Moore, S. Dawadi, and D. Murillo. 2021. Chrysobothris femorata and other species in the United States: Biology, pest situation, and knowledge gaps. Invited Presentation for the Expert Working Group of the European and Mediterranean Plant Protection Organization to Facilitate Pest Risk Assessment for Introduction of C. femorata and C. mali into Europe. 11 Jan. 2021. (Virtual Oral Talk-EPPO training)
Middle TN Landscape & Grounds Virtual Short course. Jan 12-13, 2021. Boxwood blight identification and management (120 nursery growers and landscapers from Middle TN).
Plants get sick, too! 2020 TSU College of Agriculture Virtual Apprenticeship Program. Online- June 17, 2020.
2020 Tennessee Warren County Master Gardener Class. McMinnville, TN. March 3, 2020.
Climate change workshop series. Murfreesboro and Jackson, TN. January and March 2020.
Diseases of Trees- Carroll County 4-H forestry teams. SUNRC- McMinnville, TN. October 8, 2019.
Junior Master Gardener Daycamp. June 18, 2019. McMinnville, TN.
2019 Tennessee Warren County Master Gardener Class. March 19, 2019. McMinnville, TN.
A fungus among us. Junior Master Gardener Camp, McMinnville, TN, June 16, 2017 (instructor).
Identification and management of diseases and pests of ornamental crops workshop. Cukurova University, Adana, Turkey, 11-14 April, 2017 (organizer and instructor).
2017 Tennessee Warren County Master Gardener Class. McMinnville, TN. January 17, 2017.
TSU Diagnostics workshop between August 10-19, 2016 for TSU graduate students, TSU staff, USDA staff and TDA employee (organizer and instructor).
TSU Preparing a Quality Scientific Poster for Professional Meetings & Competitions. July 8th, 2016, noon-1 pm.
Diseases of trees- Shelby and Williamson Counties 4-H group, McMinnville, TN, May 2, 2016.
2016 Tennessee Warren County Master gardener classes. TSUNRC, McMinnville, TN, February 2, 2016.
Diseases of trees- Williamson Co. 4-H group, McMinnville, TN, August 14, 2015.
Webinars
VSD research updates. OSU webinar. April 4, 2023.
VSD research updates. NCSU webinar. February 27, 2023.
Southern Region Green Industry Webinar hosted by UGA Center for Urban Ag on Thursday, 12 November 2020 (57 nursery growers and landscapers from Southern region states).
APS-OIP webinar “Global Experience Award: Get funded for your globally collaborative ideas” Sept 21, 2020, 8:30-10 am (CST).
Sanitation and disease management. AmericanHort. 2018.
Seminars
Sanitation for Plant Disease Management, TSU Departmental Seminar Nashville, TN. October 18, 2018.
Biofumigation: Opportunities and challenges for control of soilborne diseases in nursery production. University of Georgia, Athens, GA. Aug 27, 2018.
Fungicide resistance management. TSU Departmental seminar. Nashville, TN. November 16, 2017.
System approach on disease management. Cukurova University, Adana, Turkey, April 10, 2017.
Diseases of woody ornamentals in nursery production systems. Cukurova University, Adana, Turkey, December 30, 2015.
Developing advanced research tools strengthens plant disease management. University of Tennessee, Knoxville, TN, September 4, 2015.