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TABLE OF CONTENTS
  1. GRAIN SORGHUM WEED CONTROL UPDATE - 2016
  2. GRAIN SORGHUM WEED CONTROL
  3. Weed Control in Grain Sorghum - 2015
  4. A New Product to Consider?
  5. Weed Control in Grain Sorghum - 2015
  6. Huskie Injury on Sorghum
  7. Huskie Rotation Restrictions (cotton and peanut are not listed)
  8. Inzen™ Z Grain Sorghum
  9. Weed Control in Inzen Sorghum - 2014
  10. Don't Plant Sorghum in Fields Treated with Reflex in the same year!!!!
  11. GRAIN SORGHUM - Harvest Aids
  12. Canola Weed Control
  13. 2014 GA Canola Production 8765.78 acres planted (28 counties)
  14. Canola Weed Management
  15. Do not plant canola is fields treated this year with the following herbicides:
  16. Clearfield Canola (5525CL) Response to Reflex - 2015/2016
  17. Current UGA Canola Weed Control Research
  18. Henbit and Ryegrass Control?
  19. Canola Weed Control - 2015/2016
  20. Command 3ME Injury on Canola - 2 WAT
  21. Registration Status for Command and Dual Magnum in Canola
  22. Sesame Weed Control
  23. Weed Control in Sesame - 2015
  24. Sesame Demo - August 11, 2015
  25. Sesame Demo - September 9, 2015
  26. Sesame Demo - October 8, 2015
  27. The New Norm????
  28. Is this a bad combination????
  29. Farm vs. Research?
  30. Herbicide Efficacy
  31. Materials and Methods
  32. Sprayer dimensions
  33. Tractor Speed Effects on Spray Coverage (%) - 30" Boom Height
  34. Tractor Speed Effects on Spray Coverage (%) - 60" Boom Height
  35. Spray Coverage - 60" Boom Height
  36. QUESTIONS?



SLIDE CONTENTS
  1. GRAIN SORGHUM WEED CONTROL UPDATE – 2016 Eric P. Prostko, Ph.D. Professor and Extension Weed Specialist Dept. Crop & Soil Sciences
  2. GRAIN SORGHUM WEED CONTROL Start clean! Concep treated seed Dual Magnum or Warrant (PRE) Atrazine (POST) Paraquat (Hooded sprayer) Mechanical Cultivation
  3. Weed Control in Grain Sorghum - 2015 SG-01-15 May 26 49 DAP NTC Warrant @ 48 oz/A – PRE Atrazine @ 48 oz/A – 23 DAP COC @ 1% v/v – 23 DAP
  4. A New Product to Consider? Huskie 2.06EC Bayer CropScience Buctril (1.75 lbs/gal) + pyrasulfotole (0.31 lbs/gal) MOA = 6 + 27 Postemergence (13-16 oz/A) 3-leaf to 12” tall sorghum Broadleaf weeds, good on pigweed Tank-mix with atrazine (16 oz/A)
  5. Weed Control in Grain Sorghum - 2015 SG-01-15 May 26 49 DAP NTC Dual II Magnum @ 16 oz/A – PRE Huskie @ 13 oz/A – 23 DAP Atrazine @ 16 oz/A – 23 DAP AMS Xtra @ 2.5% v/v – 23 DAP NIS @ 0.25% v/v – 23 DAP
  6. Huskie Injury on Sorghum
  7. Huskie Rotation Restrictions (cotton and peanut are not listed)
  8. Inzen™ Z Grain Sorghum Kansas State Univ. DuPont/Advanta US Resistance to POST applications of ALS herbicides Non-GMO ALS-resistant shattercane Dual/Cinch/Warrant PRE a must in my opinion Concep treated seed Stewardship!!! Zest (liquid Accent)
  9. Weed Control in Inzen Sorghum - 2014 SG-01-14 June 19 31 DAP NTC Dual II Magnum 7.62EC @ 16 oz/A – PRE Zest 0.33SC @ 12 oz/A – POST + Atrazine 90DF @ 13.3 oz/A – POST + COC @ 1% v/v - POST
  10. Don’t Plant Sorghum in Fields Treated with Reflex in the same year!!!!
  11. GRAIN SORGHUM – Harvest Aids Initial moisture was 24.4% Source: Olson et al. 2001
  12. Canola Weed Control
  13. 2014 GA Canola Production 8765.78 acres planted (28 counties) Source: FSA Crop Acreage Data Report (January 2015)
  14. Canola Weed Management consider herbicide residues from previous crop Optimum Planting Date/Fertility Use Treflan if you can Clearfield Canola + Beyond may be best overall legal option Critical period for weed control in canola is 4 leaf stage (17-38 DAP)
  15. Do not plant canola is fields treated this year with the following herbicides: Reflex Prefix Staple (could plant Clearfield*) Cadre (could plant Clearfield*) Steadfast Q (maybe Clearfield*?) Strongarm (maybe Clearfield*?) Envive (could plant Clearfield*) Classic (could plant Clearfield*) Envoke (could plant Clearfield*) Diuron (???) *Some crop stunting may still likely occur.
  16. Clearfield Canola (5525CL) Response to Reflex – 2015/2016 CAN-02-15 11/11/2015 30 DAT NTC Reflex 2SL @ 8 oz/A Reflex 2SL @ 4 oz/A Reflex 2SL @ 2 oz/A
  17. Current UGA Canola Weed Control Research Howard F. Schwartz, Colorado State University, Bugwood.org
  18. Henbit and Ryegrass Control? ** Command and Dual Magnum are NOT yet labeled for use in canola grown in GA. Research is underway to evaluate crop and weed response.
  19. Canola Weed Control – 2015/2016 CAN-01-15 11/11/2015 30 DAT NTC Command 3ME @ 3.5 oz/A - PRE
  20. Command 3ME Injury on Canola - 2 WAT
  21. Registration Status for Command and Dual Magnum in Canola submitted required information to IR-4 Program in July 2013 Command received an A priority at IR4 – September 2015
  22. Sesame Weed Control (~9533 Acres in GA in 2015)
  23. Weed Control in Sesame - 2015 SM-02-15 June 30 68 DAP NTC Dual Magnum 7.62EC @ 16 oz/A – PRE + Direx 4L @ 32 oz/A – POST (36 DAP) NIS @ 0.25% v/v – POST (36 DAP) Warrant 3ME @ 48 oz/A – PRE + Direx 4L @ 32 oz/A – POST (36 DAP) NIS @ 0.25% v/v – POST (36 DAP)
  24. Sesame Demo – August 11, 2015 19 DAT – Planted/Sprayed July 23 NTC Dual Magnum 16 oz/A Warrant 48 oz/A Direx 32 oz/A 7/23- 0.3” I 7/27 – 0.5” I 7/28 – 0.06” R 7/29 – 0.37” R 7/30 – 0.04” R 7/31 – 0.16” R 8/1 – 0.06” R 8/2 – 0.71” R 8/6 – 1.44” R 8/7 – 0.03” R 8/11 – 1.21” R
  25. Sesame Demo – September 9, 2015 48 DAT – Planted/Sprayed July 23 7/23- 0.3” I 7/27 – 0.5” I 7/28 – 0.06” R 7/29 – 0.37” R 7/30 – 0.04” R 7/31 – 0.16” R 8/1 – 0.06” R 8/2 – 0.71” R 8/6 – 1.44” R 8/7 – 0.03” R 8/11 – 1.21” R NTC Dual Magnum 16 oz/A Warrant 48 oz/A Direx 32 oz/A
  26. Sesame Demo – October 8, 2015 77 DAT – Planted/Sprayed July 23 7/23- 0.3” I 7/27 – 0.5” I 7/28 – 0.06” R 7/29 – 0.37” R 7/30 – 0.04” R 7/31 – 0.16” R 8/1 – 0.06” R 8/2 – 0.71” R 8/6 – 1.44” R 8/7 – 0.03” R NTC Dual Magnum 16 oz/A Warrant 48 oz/A Direx 32 oz/A Dual Warrant Direx
  27. The New Norm????
  28. Is this a bad combination???? 6 ft
  29. Farm vs. Research? Concerns Tractor Speed Boom Height Coverage Quality vs. Quantity?
  30. Herbicide Efficacy Coverage Nozzle Type GPA Pressure Boom Height Tractor Speed
  31. Materials and Methods July 24, 2015 Melroe 3430 Spra-Coupe Tractor Speeds 4.4, 6.5, and 9.5 MPH Boom Heights 30, 45, 60 in Wind = 3.0 MPH 15 GPA (water + dye) DG TeeJet Drift Guard Nozzle Tips (20” spacing) 8002DG, 8003DG, 8004DG 40-53 PSI Medium Droplet Size 2 locations in sprayer path 8’ from tractor center (L1) 30” parallel from L1 (L0) 5 Kromekote cards (2” X 3”) 10’ apart Dropletscan (WRK of Arkansas, LLC)
  32. 10’ 30” 8’
  33. Tractor Speed Effects on Spray Coverage (%) – 30” Boom Height N = 30
  34. Tractor Speed Effects on Spray Coverage (%) – 60” Boom Height N = 30
  35. Spray Coverage - 60” Boom Height 4.4 MPH 6.5 MPH 9.5 MPH
  36. QUESTIONS? eprostko@uga.edu www.gaweed.com