Dr. Eric P. Prostko
Professor and Extension Weed Specialist
University of Georgia
Department of Crop and Soil Sciences


The experiments summarized in this report are designed to develop data to support extension weed management recommendations for canola, field corn, peanuts, grain sorghum, sesame, soybeans, and sunflowers. Additionally, these experiments demonstrate new and/or proven management practices to growers, county extension agents, agribusiness personnel, and other extension specialists.

Replicated experiments are established for specific needs and are located on university stations or private farms. The experiments are a joint effort of the University of Georgia extension faculty, county extension agents, cooperating research personnel, and cooperating growers. Commodity organizations, seed and chemical companies provide financial support of these experiments.

This publication contains results of use patterns of herbicides, some of which may not be registered for the particular use. Such results are included for informational purposes only and should not be taken as recommendations for use. Additionally, the University of Georgia does not guarantee nor warrant the standards of the products, nor do they imply approval of the products to the exclusion of others which may be similarly effective.

Questions or comments concerning this report may be directed to the author:

Dr. Eric P. Prostko
Professor and Extension Weed Specialist
Department of Crop & Soil Sciences
The University of Georgia
Horticulture Building
104 Research Way
Tifton, GA 31793


This research could not have been conducted without the support of the following individuals or organizations:

County Extension Agent - Cooperators Grower-Cooperators Industry - Cooperators
AgSouth Genetics, AMVAC, BASF, Bayer, Belchim, Corteva, FMC, Georgia Seed Development Commission, Helena, Meherrin, Monsanto, Pioneer, SePRO, Syngenta, Valent

University of Georgia
Charlie Hilton, Attapulgus Research Station Staff (Billy, Al, William), A. Stanley Culpepper, Timothy L. Grey, Ashley Golden, Tim Richards, Jenna Vance, Dwayne Dales, Glen Rains, Bob Kemerait, Mark Abney, Cindy LaHue.

The data in this report were analyzed using the Agricultural Research Manager (ARM) – 2019.4 computer program.


Field Corn
CN-01-19 Field Corn Tolerance to Brake or Valor Applied in 2018
CN-02-19 Residual Weed Control with Field Corn HPPD Herbicides – Non-Crop (bare-ground)
CN-03-19 Field Corn Pre-Mix Concepts (PPI, PRE, EPOST)
CN-04-19 Prowl H20 Tank-Mixes with POST Field Corn Herbicides
CN-05-19 Bayer Field Corn Weed Control Programs – I
CN-06-19 Bayer Integrated Corn Herbicide Programs
CN-07-19 Herbicide/Fungicide Tank-Mixtures for Field Corn
CN-08-19 Weed Control in Field Corn with Engenia and Status
CN-09-19 Weed Control in Liberty-Link Field Corn
CN-10-19 Laudis + Atrazine + MSO + Dual Magnum for Weed Control in Field Corn
CN-11-19 Field Corn Lay-By with Roundup PowerMax II + Tricor (Terrell County)

PE-01-19 Peanut Response to Cadre/Cobra/Ultra Blazer/Dual Magnum/Zidua/2,4-DB Tank-Mixtures – Year 2
PE-02-19 Peanut Response to POST Applied Diuron
PE-03-19 Peanut Variety Response to Valor SX
PE-04-19 Peanut Variety Response to Brake
PE-05-19 Peanut Variety Response to Trifludimoxazin (BAS85001H)
PE-06-19 Peanut Response to Roundup + Xtendimax at Low Rate and Multiple Events
PE-07-19 Peanut Response to Valor and Dual Magnum – High Moisture (Year 3)
PE-08-19 Peanut Response to Metribuzin (Year 3)
PE-09-19 Flumioxazin Formulation Test in Peanut (Year 3)
PE-10-19 Weed Control in Peanut with Trifludimoxazin (BAS85001H) (Year 2)
PE-11-19 Peanut Tolerance to PRE and EPOST Applications of Trifludimoxazin (BAS85001H)
PE-12-19 Peanut Weed Control with Tough
PE-14-19 Weed Control in Peanut with Brake
PE-15-19 Weed Control in Peanut with Strongarm
PE-16-19 Weed Control in Peanut with Gramoxone 3SL and Gramoxone Magnum
PE-17-19 Yellow Nutsedge Control with Cadre + Broadloom Combinations – Non-Crop (bare-ground)
PE-18-19 Cadre/Lucento Tank-Mixtures for Peanuts
PE-19-19 Ultra Blazer/Lucento Tank-Mixtures for Peanuts

SB-01-19 Enlist vs. Xtend vs. Liberty Weed Control Programs – Non-Crop (bare-ground)
SB-02-19 Xtend/Xtendflex/Enlist/Liberty Soybean Weed Control Systems Demonstration (non-replicated)
SB-03-19 Weed Control in Xtend Soybeans – I
SB-04-19 Weed Control in Xtend Soybeans – II
SB-05-19 Weed Control in Soybeans with POST Applied Tough
SB-06-19 RR Soybean Tolerance to Tough 5EC

GS-01-19 Grain Sorghum Response to Sinbar and Reflex

NC-01-19 Gramoxone 3SL and Gramoxone Magnum for Burndown Weed Control – Non-Crop (bare-ground)
NC-02-19 Zidua vs. Dual Magnum vs. Warrant – Non-Crop (bare-ground)
NC-03-19 Tough vs. Cobra vs. Ultra Blazer for Palmer Amaranth Control – Non-Crop (bare-ground)
NC-04-19 ALS-Resistant Nutsedge Control – Non-Crop (bare-ground)
NZ-01-19 TTI-XRC-TDXL Nozzle Types for Pest Control in Peanut (Bulloch County)
NZ-02B-19 TTI-XRC Nozzle Types for Pest Control in Peanut (Worth County)
NZ-03-19 TTI-XR Nozzle Types for Pest Control in Peanut (Pierce County)
TM-01-19 Valor EZ/Valor SX Tank-Mix Test
TM-02-19 Valor EZ/Valor SX ‘Heel’ Test



ATTENTION ! Pesticide Precautions
  1. Observe all directions, restrictions, and precautions on pesticide labels. It is dangerous, wasteful, and illegal to do otherwise
  2. Store all pesticides in original containers with labels intact and behind locked doors. “KEEP PESTICIDES OUT OF REACH OF CHILDREN.”
  3. Use pesticides at correct label dosages and intervals to avoid illegal residues or injury to plants and animals.
  4. Apply pesticides carefully to avoid drift or contamination of non-target areas.
  5. Surplus pesticides and containers should be disposed of in accordance with label instructions so that contamination of water and other hazards will not result.
  6. Follow directions of the pesticide label regarding restrictions as required by State an Federal Laws and Regulations
  7. Avoid any actions that may threaten an Endangered Species of its habitat. Your county extension agent can inform you of Endangered Species in your area, help you identify them and through the Fish and Wildlife Office, identify actions that may threaten Endangered Species of their habitat.