EC 660: Revised August 2011
The purpose of this directory is to provide forest landowners and managers easy access to a list of vendors and consultants offering forestry herbicide and insecticide application services in the State of South Carolina. Only certified, licensed applicators are included. This does not constitute endorsement by the Clemson University Cooperative Extension Service. Applicators are licensed for one year with licenses expiring on December 31st of each year. Applicators listed in this publication are licensed to apply Category 3 (forestry) pesticides (herbicides and insecticides). Before contacting an applicator, please visit Clemson's Department of Pesticide Regulation website to verify the applicator’s license. This list is updated annually in late spring.*
*If you are an applicator and would like to be listed in this directory at the next update, contact Dr. Tamara Cushing at (864) 656-0878 or firstname.lastname@example.org.
Research results and field experience have demonstrated that forestry herbicides can be valuable tools for a variety of silvicultural practices. However, implementation of this technology generally requires specialized equipment and training. As a result, forest landowners and managers rely heavily on custom herbicide applicators for the wide variety of available services. The purpose of this publication is to provide a list of applicators certified by the State of South Carolina along with a brief description of services offered by each.
Firms and individuals providing herbicide application services are listed alphabetically under the headings: 1) Ground Applicators, 2) Aerial Applicators, and 3) Firms That Offer “Turnkey Services.” A few important comments about each category are provided under the appropriate heading.
Ground application technology includes several treatment categories involving a variety of equipment.
Broadcast (Liquid) – A liquid spray applied uniformly over an entire unit of land. Rate basis is the quantity of herbicide per unit of land. Conducted generally with mechanized ground equipment but occasionally with backpack sprayers. Primarily used for site preparation, conifer release, and kudzu control.
Broadcast (Granule) – Same as above except that specialized equipment is used to apply dry, granular herbicide formulations.
Banded Spray over Young Pines – A band of spray applied uniformly and centered over a row of pine seedlings. Rate basis is the quantity of herbicide per unit of treated land. Conducted with mechanized ground equipment and backpack sprayers. Primarily used for controlling herbaceous weeds in newly planted stands. Because of herbicide costs, banding is generally less expensive than broadcast sprays.
Backpack – Manual applications using hand-held backpack sprayers. Applications can include broadcast or banded sprays per unit area of treated land, directed foliar, and directed spot sprays of soil active herbicides. Used for a variety of practices including site preparation, conifer release, timber stand improvement, herbaceous weed control, and kudzu control.
Tree Injection – Application of herbicide through an incision in the bark of a tree. Injection can be conducted with specialized equipment or with a hatchet and squirt bottle. Used primarily for timber stand improvement or to remove large, cull hardwoods during site preparation.
Invasive Species Control – Broadcast sprays of foliar and/or soil active herbicides used to eradicate invasive species. Only certain vendors offer this service on a regular basis.
Aerial equipment is generally used for broadcast applications of both liquid and granular herbicide formulations. It can be used for site preparation, conifer release, kudzu control, and occasionally for herbaceous weed control in newly planted pine stands. Aerial applications are most suitable for large tracts of land. Full service applicators can rarely justify treating small tracts (less than 50 acres) unless other operations are located in the vicinity. This can sometimes be arranged or coordinated through vendors and consultants that subcontract these services.
Companies listed below provide “turnkey” services that include prescription, application and support activities necessary to guarantee effective performance. These services are generally directed at the use of herbicides for site preparation and pine release.
Download the printer-friendly version of the Directory of Certified Forestry Herbicide and Insecticide Applicators for SC (PDF, 263 KB)
This article is a publication of Clemson University Cooperative Extension's Forestry & Natural Resources team.
Please visit one of our sites for additional information and educational opportunities: