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2011 Beltwide: New Products/Technologies/Concerns WEEDS

2011 Beltwide: New Products/Technologies/Concerns WEEDS. 2011 Beltwide Consultants Conference. New Products/Technologies. Glytol + Liberty Link Cotton 2,4-D Resistant Cotton (2015?) Dicamba Resistant Cotton (2015?). Glytol + Liberty Link Cotton.

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2011 Beltwide: New Products/Technologies/Concerns WEEDS

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  1. 2011 Beltwide: New Products/Technologies/Concerns WEEDS 2011 Beltwide Consultants Conference

  2. New Products/Technologies • Glytol + Liberty Link Cotton • 2,4-D Resistant Cotton (2015?) • Dicamba Resistant Cotton (2015?)

  3. Glytol + Liberty Link Cotton • Exceptional tolerance to Ignite and Roundup • Systems approach including residuals and other chemistry will offer excellent control of most weeds.

  4. Ignite vs. Roundup Weed Ignite Roundup Eveningprimrose + - Morningglory + - Volunteer peanut + - Goosegrass - + Large grasses - + Perennial grasses - + Nutsedge - + Tropical spiderwort - - GR Ragweed + - GR Horseweed -/+ - GR Palmer amaranth -/+ -

  5. Prowl H20 PRE Glyfos X-tra 48 oz @ 2 lf cotton/ 3” AMAPA Glyfos X-tra 48 oz @ 7 lf cotton/ 12” AMAPA Direx + MSMA @ 15 lf cotton/ 18” AMAPA

  6. Prowl H20 PRE Ignite 33 oz @ 2 lf cotton/3” AMAPA Glyfos X-tra 48 oz @ 7 lf cotton/ 0” AMAPA Direx + MSMA @ 15 lf cotton/3” AMAPA

  7. 12 DAT Non-treated Ignite

  8. Palmer response to Ignite WATER VOLUME AND NOZZLE TYPE IS CRITICAL Do not apply within an hour of sunrise MUST KILL IT WITH THE FIRST APPLICATION

  9. Application Timing is Critical in LL Cotton 3” Palmer: 29 to 32 oz/A = >98% control 3-4”: 36 oz/A = 88 to 100% control 4-6” Palmer: 43 oz/A = 70 to 100% control >6” Palmer: 43 oz and get the hoes ready

  10. Phytogen Widestrike Cotton • Confers tolerance to Ignite • Tolerance not complete; injury will occur and yield loss can occur if you don’t know what you are doing. • According to EPA, Ignite can be applied to widestrike cotton. • However, grower is liable as neither Bayer nor Dow recommend or warrant the use of Ignite on Widestrike cotton

  11. 375 WideStrike Cotton Tolerance to Multiple Applications of Ignite Ignite 2 lf, 7 lf, bloom b Ignite 2 lf and 7 lf a No Ignite a Pounds Lint Cotton

  12. 2, 4-D Resistant Cotton 2,4-D resistant cotton sensitive cotton

  13. Will There Be Value in 2,4-D- or Dicamba-Resistant Traits for Cotton Growers? 1. Tool for managing GR ragweed, horseweed, Palmer, morningglory, perennial weeds, winter annual weeds 2. No preplant interval for burndown 3. A new mode of action for in-crop control 4. Applications overtop of cotton 5. Price of herbicides are currently economical 6. Option to rotate with Roundup for resistance mgmt

  14. 12 DAT 24 DAT 1.5 pt of 2,4-D

  15. 12 DAT Ignite Ignite + 2,4-D 0.75 lb

  16. 12 DAT Ignite Ignite + dicamba 0.5 lb

  17. Additional Concerns • Loss of currently used herbicides? MSMA Cotoran • Sustainability of Ignite? • Off target movement of 2,4-D and dicamba

  18. Are You Comfortable Making 2,4-D or Dicamba In-Crop Weed Management Recommendations TODAY? 1. Fair 2. No 3. No 4. No 5. Comfortable with dicamba, not with 2,4-D 6. No 7. Absolutely not 8. No 9. Yes, but only in some locations 10. No way, not today

  19. N New Formulation 2,4-D Ester 2,4-D Amine

  20. Potted cotton plants placed in all directions @ 5, 10, 20, 40, 80 and 160 ft N NW NE 4 plants per station W E SW SE S Volatility distance – (plants placed in field after drift pots were removed)

  21. Temperature (F) Sept 9-11 Application

  22. Visual Injury 27 DAA from 2,4-D Volatility, October 6, 2010 Entire 48 hrs Averaged across directions Error bar is 1 Std error of mean

  23. Volatility Injury to Cotton: Tunnel/Dome Data John Richburg 2010 Project Review November, 2010

  24. Visual Injury 27 DAA from 2,4-D Volatility under Tunnels (October 6, 2010) 20 20 20 19 13 6 4 0 0 Entire = 48 hrs T1 = 1st 24 hrs T2 = 2nd 24 hrs

  25. Comments?

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