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2012 Grower Meetings: Diversity and Integration; Keys to Surviving in a Palmer World

AUTHOR
Stanley Culpepper
Professor and Extension Weed Specialist
University of Georgia

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TABLE OF CONTENTS
  1. 2012 Grower Meetings: Diversity and Integration; Keys to Surviving in a Palmer World
  2. Diversity and Integration; Keys to Surviving in a Palmer World
  3. RR Reduced Tillage Cotton Systems. 2012.
  4. RR Reduced Tillage Cotton Systems. 2012.
  5. Valor applied broadcast followed by strip till.
  6. RR Reduced Tillage Cotton Systems. 2012.
  7. RR Reduced Tillage Cotton Systems. 2012.
  8. RR Reduced Tillage Cotton Systems. 2012.
  9. Roundup + Warrant applied over AGGRESSIVELY growing LARGE cotton.
  10. RR Reduced Tillage Cotton Systems. 2012.
  11. RR Reduced Tillage Cotton Systems. 2012.
  12. RR Reduced Tillage Cotton Systems. 2012.
  13. Tillage is now a common scene
  14. Percent Palmer Amaranth Control with Reflex 1 pt/A PPI or PRE in 2010.
  15. RR Conventional Tillage Cotton Systems. 2012.
  16. Percent Palmer Control with Reflex + Prowl PPI
  17. Prowl + Reflex PRE vs Prowl + Reflex PPI - Rototill
  18. Roundup Ready PLUS Cotton Incentive (Up to $22)
  19. GR Palmer amaranth control in dryland conservation tillage systems
  20. Making the most of your Liberty!
  21. MOST IMPORTANT IS TO HAVE PRESSURE AND NOZZLES THAT GENERALTE MEDIUM (300-400 MICRONS)
  22. Late-season Palmer control with Liberty as influenced by time of day
  23. Making the most of your Liberty!
  24. Controlling Palmer in LL Cotton. 2012.
  25. Six Inch GR Palmer Response to Layby or Hooded Spray Options
  26. 2012 Liberty Based Programs
  27. Percent GlyTol + LL cotton injury from topical applications 7 DAT
  28. Percent GlyTol + LL cotton injury from topical applications 7 DAT
  29. Topical application
  30. Six Inch GR Palmer Response to Layby or Hooded Spray Options
  31. Adopt Integrated Programs Or You Simply Wont Survive Because of Resistance!!!
  32. 2006-2010: 92% of growers hand-weeded 52% cotton acres at $23.70/A
  33. Palmer Seed (#/plant) when Chopping Plants at Cotton Layby
  34. Developing Integrated Programs
  35. Potential Benefits for Georgia Growers
  36. Potential Challenges for Georgia Growers
  37. Fire
  38. Growing
  39. Impact of GR Palmer amaranth on GA
  40. 1.5 pt of 2,4-D vs Liberty + 1.5 pt of 2,4-D
  41. Clarity 8 oz vs Liberty + Clarity 8 oz
  42. HPPD vs Liberty + HPPD
  43. Herbicide Resistance: Will You Survive?
  44. DO NOT SPRAY LIBERTY BUT TWICE PER YEAR IN A SOUND PROGRAM!!!
  45. Controlling Palmer Without Killing Cotton With Herbicides!
  46. Irrigation/Herbicide Scheduling
  47. Comments or Questions??



SLIDE CONTENTS
  1. 2012 Grower Meetings: Diversity and Integration; Keys to Surviving in a Palmer World Stanley Culpepper, University of Georgia, Tifton
  2. BIOLOGY Integrated to remain sustainable Management programs Diversity and Integration: Keys to Surviving in a Palmer World
  3. RR Reduced Tillage Cotton Systems. 2012.
  4. RR Reduced Tillage Cotton Systems. 2012. APPLY VALOR AND/OR DIREX TO EVERY ACRE; MUST BE PALMER FREE AT PLANTING!!!
  5. Valor applied broadcast followed by strip till.
  6. RR Reduced Tillage Cotton Systems. 2012.
  7. RR Reduced Tillage Cotton Systems. 2012. RU + Staple wins 7 out of 10 times!
  8. RR Reduced Tillage Cotton Systems. 2012. Consider direct spraying Warrant mixture if more than 6 leaf cotton!
  9. Roundup + Warrant applied over AGGRESSIVELY growing LARGE cotton. typical ouch
  10. RR Reduced Tillage Cotton Systems. 2012. No brainer…..Suprend great option as well!
  11. RR Reduced Tillage Cotton Systems. 2012.
  12. RR Reduced Tillage Cotton Systems. 2012. Allows 2 residuals at planting instead of 3 to reduce injury. Perfect timing for thrips application! Allows time for activation before PRE breaks down!
  13. Tillage is now a common scene
  14. Percent Palmer Amaranth Control with Reflex 1 pt/A PPI or PRE in 2010. 99 A 79 B 98 A Irrigated Dryland
  15. RR Conventional Tillage Cotton Systems. 2012. Plant as soon after incorporation as possible
  16. 80 b 92 a 3 c Rototiller Field cultivator Disk Percent Palmer Control with Reflex + Prowl PPI, 2010. TyTy, GA. 38 DAT.
  17. Irrigated May 13 Planted May 14 Irrigated May 19 during emergence None Prowl + Reflex PRE Prowl + Reflex PPI - Rototill
  18. Roundup Ready PLUS Cotton Incentive (Up to $22) *Will pay on 2 applications
  19. GR Palmer amaranth control in dryland conservation tillage systems Prowl + Reflex PRE Roundup + Dual POST Diuron + MSMA PD Prowl + Reflex PRE Ignite + Dual POST Diuron + MSMA PD
  20. Making the most of your Liberty! Water volume Spray tip and pressure Time of day you spray Palmer size
  21. MOST IMPORTANT IS TO HAVE PRESSURE AND NOZZLES THAT GENERALTE MEDIUM (300-400 MICRONS)
  22. 99 a 50 b 97 a 6.45 am 8 c Ignite POST 1 (5” Palmer), Ignite POST 2 (18 d later), Diuron + MSMA layby 12 – 1 pm 6:30 – 7:00 pm 12 – 1 am Late-season Palmer control with Liberty as influenced by time of day. Time of Day for Ignite Applications Macon Co. Dryland %
  23. Rate GPA Time Nozzle Biggest pigweed in the field is 3 inches!!!!!!!!!!!!!!!! Making the most of your Liberty!
  24. Controlling Palmer in LL Cotton. 2012.
  25. 77 b 96 a 69 c Six Inch GR Palmer Response to Layby or Hooded Spray Options. Macon, 2012. Direx + MSMA Ignite + Valor Ignite
  26. 2012 Liberty Based Programs LibertyLink WideStrike GlyTol LibertyLink
  27. WMax + Ignite WMax 33 oz Ignite 44 oz WMax + Ignite + Dual (1 pt) Percent GlyTol + LL cotton injury from topical applications 7 DAT. Moultrie, 2010 8 leaf cotton 0 a 2 a 1 a 18 b
  28. WMax + Ignite WMax 33 oz Ignite 44 oz WMax + Ignite + Dual (1 pt) Percent GlyTol + LL cotton injury from topical applications 7 DAT. Moultrie, 2010 8 leaf cotton 0 a 2 a 1 a 18 b Sequential applications of Liberty and Roundup in 2012 to avoid antagonsim?
  30. 77 b 95 a 96 a 69 c Six Inch GR Palmer Response to Layby or Hooded Spray Options. Macon, 2012. Gramoxone + Direx Direx + MSMA Ignite + Valor Ignite
  31. Heavy Residue Deep Turn Hand weed Cultivate Adopt Integrated Programs Or You Simply Wont Survive Because of Resistance!!!
  32. Photo by A.C. York 2010 2006-2010: 92% of growers hand-weeded 52% cotton acres at $23.70/A
  33. 129,125 394,100 36,100 Not Chopped Chopped at 6 inch Chopped at 1 inch Palmer Seed (#/plant) when Chopping Plants at Cotton Layby. Chopped at soil 22,400 2010/2011: Sosnoskie/Grey/Webster/Culpepper
  34. Developing Integrated Programs
  35. Potential Benefits for Georgia Growers Improved Palmer control Protect herbicide chemistry Labor (compared to tillage) Wind and water erosion Prevents GR horseweed Prevents/Lessons GR ryegrass Moisture conservation Reduce herbicide inputs Higher yields on dryland Protection from EPA Reduces thrips damage
  36. Potential Challenges for Georgia Growers Blowout impacting stand Incorporate herbicides with when strip tilling Time to get established Increased fertilizer Rubber wheel system Grower comfort
  39. 37 18 % acres Liberty-based Programs 0 Impact of GR Palmer amaranth on GA.
  40. 1.5 pt of 2,4-D Liberty + 1.5 pt of 2,4-D
  41. Clarity 8 oz Liberty + Clarity 8 oz
  42. HPPD Liberty + HPPD
  43. Herbicide Resistance: Will You Survive? If resistance is one in a billion then you only need 918 acres to find that plant. 25 plants per square foot emerge = 1,089,000 plants per acre
  44. Herbicide Resistance: Will You Survive? 25 plants per square foot emerge = 1,089,000 plants per acre DO NOT SPRAY LIBERTY BUT TWICE PER YEAR IN A SOUND PROGRAM!!!
  45. Controlling Palmer Without Killing Cotton With Herbicides! Seedling depth and vigor Irrigation Schedule Soil dry or moist at planting? AT-PLANT HERBICIDES Cotoran Diuron Prowl Reflex Staple Combinations
  46. Irrigation/Herbicide Scheduling (preliminary as much more work is being conducted)
  47. Comments or Questions??