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'New' Turfgrass Herbicides 2004-2005

AUTHOR
Dr. Tim R. Murphy
The University of Georgia
Crop and Soil Sciences

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TABLE OF CONTENTS
  1. 'New' Turfgrass Herbicides 2004-2005
  2. 'Newer' Herbicides
  3. 'Newer' Herbicides
  4. TranXit
  5. Weeds Controlled by TranXit
  6. TranXit
  7. Georgia Experiments - Griffin
  8. Herbicide Rates
  9. Perennial ryegrass density.
  10. Poa annua control.
  11. TranXit application on Tifway Bermudagrass
  12. Poa Control in Bermudagrass
  13. Poa annua control.
  14. Untreated Check
  15. TranXit 2.0 ozs
  16. TranXit 2.0 fb. 2.0 ozs.
  17. Effect of TranXit on Tifway green-up.
  18. New Poa annua Options in Overseeded Bermudagrass
  19. Revolver -- Bayer Environ. Sciences
  20. Revolver
  21. Weeds Controlled by Revolver
  22. Goosegrass Control - Griffin
  23. Goosegrass control with Revolver. 2002.
  24. Poa annua Control - Griffin
  25. Effect of Revolver on Ryegrass Establishment. 2002/3.
  26. Effect of Revolver on Poa annua control. 2002/3.
  27. Monument-- Syngenta
  28. Monument
  29. Weeds Controlled by Monument
  30. Monument -- One Appl. (5/16/01)
  31. Monument -- Two Appl. (5/16 + 6/14/01)
  32. Monument -- One Appl. (5/16/01)
  33. Monument -- Two Appl. (5/16 + 6/14/01)
  34. Other Herbicides in Development
  35. Flazasulfuron (Katana) - ISK BioSciences
  36. Sulfosulfuron (Certainty)- Monsanto
  37. Velocity - Valent
  38. Velocity Projects
  39. Velocity-- Perennial Ryegrass Injury
  40. Velocity-- Annual Bluegrass Control
  41. Velocity-- Perennial Ryegrass Injury
  42. Velocity-- Annual Bluegrass Control
  43. Velocity-- Perennial Ryegrass Injury
  44. Velocity-- Annual Bluegrass Control
  45. Velocity, 1.3 fb 1.3 oz/ac
  46. Fluroxypyr (Spotlight) - DowAgroSciences
  47. Carfentrazone -- QuickSilver - FMC
  48. Why add carfentrazone?
  49. New PBI Gordon Broadleaf Herbicides
  50. White Clover Control -- Griffin - 2001
  51. Tall Fescue Injury -- Griffin - 2001
  52. Common Bermuda Injury -- Griffin - 2001
  53. New PBI Gordon Broadleaf Herbicides
  54. PowerZone & SpeedZone Formulations
  55. PowerZone & SpeedZone Formulations
  56. georgiaturf.com



SLIDE CONTENTS
  1. “New” Turfgrass Herbicides 2004-2005 Tim R. Murphy The University of Georgia
  2. “Newer” Herbicides TranXit - SU Revolver - SU Monument – SU Velocity – Not an SU, but similar MOA Certainty – SU Katana - SU
  3. “Newer” Herbicides QuickSilver Speed Zone Broadleaf Speed Zone - Southern Power Zone Broadleaf Spotlight
  4. TranXit Poa control before overseeding (includes greens) DNAs, Dimension, Kerb, Rubigan Poa control in non-overseeded bermuda, centipede and zoysia Triazines, Kerb, Diquat, Revolver, Monument, Katana Spring transition aid in overseeded bermuda Manor, Revolver, Monument, Kerb, Katana NON-RESIDENTIAL USE ONLY
  5. Weeds Controlled by TranXit annual bluegrass ryegrass spp. little barley tall fescue blue-eyedgrass rough bluegrass common chickweed shepherd’s-purse henbit field pansy cutleaf eveningprimrose spotted spurge pennywort (dollarweed)
  6. TranXit Rimsulfuron 25DF Sulfonylurea 2.0 to 4.0 ozs. product/acre Chemically degraded, more rapid under alkaline or acid conditions T1/2 in soil is 1.7 to 4.3 days
  7. Georgia Experiments - Griffin ‘Tifway’ bermudagrass, 0.75 in. ht. Overseeded Oct. 17, 2000 ‘TourStar’ perennial ryegrass blend Irrigated site 25 gpa
  8. Herbicide Rates TranXit – 1, 2, 4 and 8 oz./acre Dimension 1EC – 2.0 qts./acre Barricade 65DG – 0.75 lbs./acre Balan 2.5G – 80 lbs./acre
  9. Perennial ryegrass density. * * *
  10. Poa annua control. * * *
  11. TranXit did not injure Tifway bermudagrass applied: 4, 2 or 1 wk in advance of overseeding Tank-mixed with Rubigan Applied after Dimension, Barricade or Balan were applied 6 WBO
  12. Poa Control in Bermudagrass Non-overseeded ‘Tifway’ Single or repeat applications of rimsulfuron 2 and 4 oz./acre + NIS March 14 Tifway – 15% green-up, Poa annua – seedheads March 27 Tifway – 20% green-up, Poa annua – seedheads
  13. Poa annua control. *
  14. 57 DAA Untreated Check
  15. 57 DAA TranXit 2.0 ozs.
  16. 57 DAA TranXit 2.0 fb. 2.0 ozs.
  17. Effect of TranXit on Tifway green-up. * * *
  18. New Poa annua Options in Overseeded Bermudagrass TranXit – rimsulfuron, t1/2 = 1.7 to 3.4 days Revolver – foramsulfuron, t1/2 = 1 to 12 days Persistence is less in acid than alkaline soils
  19. Revolver – Bayer Environ. Sciences Foramsulfuron - 0.19SC, POST First liquid sulfonylurea, no NIS required 4.4 to 26.2 fl. ozs. product/acre (use high rate for centipede suppression and goosegrass) t1/2 in soil is 1 to 12 days Chemically degraded, more rapid under alkaline or acid conditions
  20. Revolver Poa control before overseeding (includes greens) [2 WBS] DNAs, Dimension, Kerb, Rubigan, TranXit Poa control in non-overseeded bermuda and ‘Meyer’ zoysia Triazines, Kerb, Diquat, Monument, Katana Spring transition aid in overseeded bermuda Manor, TranXit, Monument, Kerb, Katana
  21. Weeds Controlled by Revolver annual bluegrass ryegrass spp. little barley tall fescue rough bluegrass bentgrass henbit bentgrass Goosegrass Doveweed????
  22. Goosegrass Control - Griffin ‘Tifway’ bermudagrass, 0.75 in. ht. Irrigated site 25 gpa Revolver: 17.4, 26.2 fl. ozs./ac MSMA + Sencor: 2.7 pts. + 2.7 ozs./ac Illoxan: 1.4 qts./ac Applied 6-12 and 6-19, 2002 2 to 3 tiller goosegrass
  23. Goosegrass control with Revolver. 2002.
  24. Poa annua Control - Griffin ‘Tifway’ bermudagrass, 0.625 in. ht. Irrigated site 25 gpa Revolver: 8.8, 17.4 fl. ozs./ac – appl. 2 or 1 WBS TranXit: 2.0 oz./ac – appl. 2 WBS “Sunrise Primo’ seeded 11-01-2002
  25. Effect of Revolver on Ryegrass Establishment. 2002/3.
  26. Effect of Revolver on Poa annua control. 2002/3.
  27. Monument– Syngenta Trifloxysulfuron-sodium 75 WDG, POST 0.1 to 0.56 ozs. product/acre t-1/2 in soil is 5 to 15 days Chemically degraded, more rapid under alkaline or acid conditions Add NIS at 0.25% v/v
  28. Monument Poa control in non-overseeded bermuda and zoysia Triazines, Kerb, Diquat, Revolver, TranXit Spring transition aid in overseeded bermuda Manor, TranXit, Monument, Kerb, Embark, Revolver Broadleaf weed and sedge control (winter and summer) NON-RESIDENTIAL USE ONLY
  29. Weeds Controlled by Monument annual bluegrass ryegrass spp. little barley rough bluegrass torpedograss tall fescue henbit dichondra Va. Buttonweed nutsedge (yellow and purple) green kyllinga carpetweed spotted spurge
  30. Monument – One Appl. (5/16/01)
  31. Monument – Two Appl. (5/16 + 6/14/01)
  32. MONUMENT – One Appl. (5/16/01) MON 0.1 MON 0.3 Kerb 1.5 UTC
  33. Monument – Two Appl. (5/16 + 6/14/01) MON 0.1 MON 0.3 TranXit 2 UTC
  34. Other Herbicides in Development Flazasulfuron (Katana) -ISK BioSciences Sulfonylurea Sulfosulfuron (Certainty) – Monsanto Sulfonylurea
  35. Flazasulfuron (Katana) - ISK BioSciences Bermuda, zoysia St. Augustine, centipede and cool-seasons not tolerant Spring transition aid, seedling crabgrass (<4-lf), nutsedge and kyllinga, numerous broadleaf weeds
  36. Sulfosulfuron (Certainty)- Monsanto Bermuda (most tolerant), St. Augustine, centipede, zoysia Cool-season tolerance is low and highly rate dependent Spring transition aid, nutsedges, kyllinga
  37. Velocity - Valent bispyribac-sodium Use rates – 1.3 to 2.6 oz.product/ac inhibits ALS, no synthesis of branched chain amino acids not a sulfonylurea, but slow acting root and shoot absorbed, ½ life < 10 d
  38. Velocity Projects GA Station Perennial ryegrass – ‘Sunrise Primo’ ‘Tifway’ bermudagrass 0.625 in. clip height Irrigated site
  39. Velocity– Perennial Ryegrass Injury Applied 4 wks after seeding, 3-lf ryegrass
  40. Velocity– Annual Bluegrass Control Applied 4 wks after seeding, Oct. 23, 2001
  41. Velocity– Perennial Ryegrass Injury Applied 18 wks after seeding, Feb. 8, 2002
  42. Velocity– Annual Bluegrass Control Applied 18 wks after seeding, Feb. 8, 2002
  43. Velocity– Perennial Ryegrass Injury Applied 17 and 20 wks after seeding, Mar. 7 & Apr. 1, 2002
  44. Velocity– Annual Bluegrass Control Applied 17 and 20 wks after seeding, Mar. 7 & Apr. 1, 2002
  45. Turf17-03: Photo April 9, 2003, NIS left, MSO right Velocity, 1.3 fb 1.3 oz/ac 2/18 + 3/03 3/03 + 3/21
  46. Fluroxypyr (Spotlight) - DowAgroSciences Cool-season tolerance is good Warm-season tolerance is low and highly rate dependent Will see as an ingredient in other 2- and 3-way broadleaf control herbicides Ex. NuFarm Escalade (2,4-D + fluroxypyr + dicamba)
  47. Carfentrazone – QuickSilver - FMC Triazolinone family Post, contact activity, cell membrane disrupter Rapidly absorbed, only limited translocation No soil activity t 1/2 - 2.5 to 4 d non-mobile Negligible volatility
  48. Why add carfentrazone? Tank-mix with 2,4-D, 2,4-DP, dicamba, MCPP, MCPA, atrazine, glufosinate, glyphosate Better activity in cool weather Faster development of control symptoms hours vs. days complete control in 7 to 14 days Better activity on spurges
  49. New PBI Gordon Broadleaf Herbicides aEster
  50. White Clover Control – Griffin - 2001
  51. Tall Fescue Injury – Griffin - 2001
  52. Common Bermuda Injury – Griffin - 2001
  53. New PBI Gordon Broadleaf Herbicides
  54. PowerZone & SpeedZone Formulations Repeat appl. in 2 to 6 wks if needed Newly seeded delay appl. until after 2nd mowing Newly sodded, sprigged or plugged delay appl. for 3 to 4 weeks Avoid green-up appls. on St. Aug.
  55. PowerZone & SpeedZone Formulations Avoid appl. at air temps. > 90 F. Can reseed 2 weeks after application Do not mow 1 to 2 d before or after application Needs 24 hr rain-free period
  56. www.georgiaturf.com A pretty d--- good web page for turfgrasses!!