2012 SUMMARY OF FIELD CROP WEED MANAGEMENT RESEARCH

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



INTRODUCTION

The experiments summarized in this report are designed to develop data to support extension weed management recommendations for canola, field corn, peanuts, grain sorghum, and soybeans. 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 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.

The data in this report were analyzed using the Agricultural Research Manager - 9.0.2 (ARM) computer program.

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

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



CONTRIBUTORS

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

Farmer-Cooperators Commodity Organizations Industry
Ag South, AMVAC, BASF, Bayer, Cheminova, Drexel, Dow AgroSciences, DuPont, FMC, Monsanto, Loveland, Nichino, Pioneer, Syngenta, Tetra, UPI, Valent.


University of Georgia
Attapulgus Research Station Staff, Stanley Culpepper, Tim Grey, Ted Webster, Carroll Johnson III, Charlie Hilton, Jesse Parker, Dena Watson, Bob Kemerait, Rand Merchant, Peter Eure.



TRIALS

Field Corn
CN-01-12Residual Weed Control in Field Corn with Grass Herbicides and Atrazine
CN-02-12 POST Weed Control in Field Corn with HPPD Herbicides with/without Atrazine
CN-03-12 Benefits of Atrazine Applied PRE in Field Corn - I
CN-04-12 Benefits of Atrazine Applied PRE in Field Corn - II
CN-05-12 Instigate/Realm Q/Resolve Q for Weed Control in Field Corn
CN-06-12 Leadoff/Counter Interactions in Field Corn
CN-07-12 Preemergence Weed Control in Field Corn with Zidua
CN-08-12 Zidua 2-Pass Weed Control Programs for Field Corn
CN-09-12 Tobacco Plant-Back Following Balance Flexx and Corvus in Field Corn
CN-10-12 Corvus, Balance Flexx, and Capreno for Weed Control in Field Corn - I
CN-11-12 Corvus, Balance Flexx, and Capreno for Weed Control in Field Corn - II
CN-12-12 Syngenta Weed Control Programs vs. Other Standards
CN-13-12 Influence of Impact on Corn Weed Control Programs
CN-14-12 Anthem/Anthem ATZ for Weed Control in Field Corn
CN-15-12 Leadoff PRE in Field Corn
CN-16-12 Potential Interactions Between STO-01 and POST Herbicides


Peanut
PE-01-12 GA-06G Response to Gramoxone SL
PE-02-12 Peanut Response to Gramoxone + Zidua
PE-03-12 Zidua vs. Current Standards for Weed Control in Peanut - I
PE-04-12 Zidua vs. Current Standards for Weed Control in Peanut - II
PE-06-12 Peanut Tolerance to Split Applications of Warrant (Weed-Free)
PE-09-12 Peanut Response to 2,4-D Amine – I (Year 2)
PE-10-12 Peanut Response to 2,4-D Amine – II (Year 2)
PE-11-12 Georgia Greener Response to Classic – Year 2
PE-12-12 Georgia-07W Response to Classic – Year 1
PE-13-12 Peanut Recrop Following PowerFlex
PE-14-12 Peanut Cultivar Response to PRE Applications of Zidua
PE-15-12 Zidua for Weed Control in Peanut
PE-16-12 Peanut Tolerance to Warrant By Planting Date
PE-17-12 Peanut Tolerance to Warrant (Weed-Free) – Year 2
PE-18-12 Weed Control Systems in Peanut with Warrant – Year 2
PE-19-12 Influence of Hi-Cal on the Performance of Residual Herbicides - Dryland
PE-20-12 Influence of Hi-Cal on the Performance of Residual Herbicides - Irrigated
PE-21-12 Peanut Tolerance to Split Applications of Zidua (Weed-Free)
PE-24-12 Fierce for Weed Control in Peanut
PE-27-12 ET for Weed Control in Peanut


SOYBEAN
SB-01-12 Envive and Canopy with Zidua for Weed Control in Soybeans
SB-02-12 Envive or Canopy in LL Soybeans
SB-04-12 CHA-044 Applied POST in Soybeans
SB-05-12 CHA-044 Applied PRE in Soybeans
SB-06-12 Zidua PRE in Soybeans
SB-08-12 Soybean Response to Direx – Year 2
SB-10-12 A Comparison of PRE Herbicides for Weed Control in Soybeans
SB-11-12 Anthem for Weed Control in Soybeans
SB-13-12 UPI Soybean Weed Control Programs


SORGHUM
SG-01-12 Weed Control in Inzen-Z Grain Sorghum


CANOLA
CANOLA-01-11 Canola Tolerance to Dual Magnum, Command, and Zidua
CANOLA-02-11 Winter Weed Control with Dual Magnum, Command, and Zidua (Non-Crop)


MISCELLANEOUS
NC-01-12 Residual Weed Control from Herbicides Applied Early Spring (Non-Crop)
NC-04-12 Influence of Soil Adjuvants on the Performance of Intimidator (Non-Crop)
NC-08-12 Large Pigweed Control with Cobra + Resource
PH-01-12 Post-Harvest Palmer Amaranth Control
TB-01-12 Tobacco Replant After Corvus, Balance Flexx, Capreno, and Laudis Applied in Field Corn In 2011



2012 TEMPERATURE/RAINFALL DATA



PESTICIDE PRECAUTIONS

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.