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2018 Cotton Weed Management

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TABLE OF CONTENTS
  1. 2018 Cotton Weed Management
  2. Auxin Technologies
  3. Weed Management Programs
  4. Auxin Systems - Clean At Planting
  5. Control of 3-7" Palmer Amaranth
  6. Burndown: 2,4-D vs Dicamba When Mixed with Roundup
  7. Burndown: 2,4-D vs Dicamba When Mixed with Roundup
  8. Burndown: 2,4-D vs Dicamba When Mixed with Roundup
  9. Auxin Systems - PRE REQUIRED
  10. Number of emerged Palmer amaranth/A at 21 d.
  11. Auxin Systems
  12. Number of Palmer Amaranth Per Acre as Influenced by Roundup + Dicamba
  13. Number of Palmer amaranth Per Acre as Influenced by Roundup + Dicamba
  14. Tank Mixtures
  15. Layby..critical to FARM sustainability!!
  16. Overtop or Directed Layby? Year 1!
  17. Year 2!
  18. Large Acreage - Photo After Year 3!
  19. photo
  20. Dicamba - Engenia, FeXapan, XtendiMax
  21. Dicamba Stewardship - Label Changes - XtendiMax, Engenia, FeXapan
  22. STEWARDSHIP: Restricted Use Pesticide
  23. Layby..critical to FARM sustainability!!
  24. DICMABA STEWARDSHIP: Sunrise to Sunset
  25. DICMABA STEWARDSHIP: Sunrise to Sunset
  26. UGA's 15 Factors Influencing Success
  27. DICAMBA STEWARDSHIP: Documentation
  28. DICAMBA STEWARDSHIP: Training
  29. DICAMBA STEWARDSHIP: Training
  30. DICAMBA STEWARDSHIP: Training
  31. UPW Classroom Training
  32. Commonly Used PPO’s
  33. Fill out survey if auxin technology is important to you!



SLIDE CONTENTS
  1. Stanley Culpepper UGA Extension Tifton, GA 2018 Cotton Weed Management
  2. Auxin Technologies STEWARDSHIP WEED MGMT
  3. Weed Management Programs Clean at planting Preemergence application Sequential Timely POST’s (most fields) Layby…….key to our future
  4. Auxin Systems – Clean At Planting Cover Crop Burndown Tillage
  5. Control of 3-7” Palmer Amaranth C52-15. Gramoxone, Direx, COC, & Wmax = 1 qt/A; Clarity 16 oz/A.
  6. 2,4-D + ++ ++ ++ + 2,4-D Burndown: 2,4-D vs Dicamba When Mixed with Roundup dicamba ++ + + + + dicamba Horseweed Primrose Radish Cost Plantback
  7. 2,4-D ? + + + ? Burndown: 2,4-D vs Dicamba When Mixed with Roundup dicamba + - - - ? Horseweed Primrose Radish Cost Plantback New formulations allow application to respective cultivars at any point before planting.
  8. 2,4-D ? + + + ? Burndown: 2,4-D vs Dicamba When Mixed with Roundup dicamba + - - - ? Horseweed Primrose Radish Cost Plantback New formulations allow application to respective cultivars at any point. BAD IDEA – kill at least 10 d in advance….exception is cereal grains
  9. Auxin Systems – PRE REQUIRED Resistance management!!!!! Coverage Early-season competition Need no injury concern, low cost ($9.18 without reward)
  10. Reflex 16 oz Direx 16 oz Warrant 48 oz Reflex 12 oz + Direx 12 oz Reflex 12 oz + Warrant 32 oz Direx 12 oz + Warrant 40 oz 39,650 bc 26,840 c 55,510 ab 4270 c 2440 c 4575 c The non-treated control consisted of 1,464,000 per acre; LSD 21 K; Number of emerged Palmer amaranth/A at 21 d. # of Palmer per acre
  11. Auxin Systems Clean at planting PRE Required Sequential POST’s…….. Layby:
  12. Number of Palmer Amaranth Per Acre as Influenced by Roundup + Dicamba 145,000 Roundup PowerMax 1 qt/A; dicamba 0.5 lb ai/A. 6534 435,000 No-POST RU + dicamba twice RU + dicamba
  13. Number of Palmer amaranth Per Acre as Influenced by Roundup + Dicamba 145,000 Roundup PowerMax 1 qt/A; dicamba 0.5 lb ai/A. 6534 435,000 No-POST RU + dicamba twice RU + dicamba A Liberty + Residual followed by RU + Dicamba is also very effective if a little more timely!!!
  14. TANK MIXTURES: numerous glufosinates numerous glyphosates Dual Mag Warrant Valor Direx Staple????
  15. Layby..critical to FARM sustainability!! For Palmer: Direx + MSMA; add Envoke or dicamba for MG. If grasses: Roundup + Direx; add Envoke or dicamba for MG.
  16. % RU + dicamba RU + dicamba RU + dicamba 100 a Overtop or Directed Layby? Year 1! 95 b Warrant + Direx PRE; **No plants visible outside of the plot area; 363,000 plants per acre in control. Palmer Control RU + dicamba RU + dicamba RU + Direx 0 plant/A 1684 plant/A**
  17. Year 2!
  18. Direx + Warrant PRE RU + dicamba RU + dicamba RU + Direx Direx + Warrant PRE RU + dicamba RU + dicamba RU + dicamba Large Acreage – Photo After Year 3!
  20. Dicamba – Engenia, FeXapan, XtendiMax STEWARDSHIP
  21. DICAMBA STEWARDSHIP Label Changes – XtendiMax, Engenia, FeXapan 1. Restricted Use Pesticide Sunrise to Sunset Wind 3-10 mph 4. Documentation 5. Training
  22. STEWARDSHIP: Restricted Use Pesticide Engenia™ New products: critical to manage volatility XtendiMax™ with Vapor Grip Technology™
  23. Layby..critical to FARM sustainability!! For Palmer: Direx + MSMA; add Envoke or dicamba for MG. If grasses: Roundup + Direx; add Envoke or dicamba for MG.
  24. 5:00 AM Roundup + dicamba 8:00 AM DICMABA STEWARDSHIP: Sunrise to Sunset
  25. DICMABA STEWARDSHIP: Sunrise to Sunset MUST AVOID spraying into inversions!!
  26. Spray Tip Wind Land Terrain Residue Tolerance Spray Pressure Buffers Boom Height Tank Cleanout Proper Formulation UGA’s 15 Factors Influencing Success Sprayer Speed Drift Control Agent Herbicide Footprint/ Surrounding crops Volatility Temp/Humidity Size of Crop
  27. DICAMBA STEWARDSHIP: Documentation Full name Certification number Product name EPA registration number Total amount applied Application, date Location Crop treated Area treated Training requirement 11. Application method 12. Sensitive crop awareness 13. Receipt of purchase 14. Product label 15. System cleanout 16. Tank Mix products 17. Start and finish times 18. Nozzle selection 19. Air temp 20. Wind speed and direction Standardized form approved by GDA provided
  28. DICAMBA STEWARDSHIP: Training Applicators must be trained prior to spraying Engenia, XtendiMax, or FeXapan.
  29. DICAMBA STEWARDSHIP: Training Applicators In Georgia: two options UPW Classroom Training…..card. UPW Agent One-On-One Training ..certificate.
  30. DICAMBA STEWARDSHIP: Training Applicators In Georgia: two options UPW Classroom Training…..card. UPW Agent One-On-One Training ..certificate. Person in charge of application in Georgia UPW Classroom Training…..card.
  31. Bulloch Co.: March 19 Burke Co.: March 19 Mitchell Co.: March 21 Peach Co.: March 23 Calhoun Co.: March 28 Tift Co.: April 4 UPW Classroom Training Laminated Handouts Cotton Cole Crop Mulch fumigation Sensitive Crops Squash Sweet potato Watermelon
  32. Commonly Used PPO’s
  33. Stanley Culpepper UGA Extension Tifton, GA Fill out survey if auxin technology is important to you!