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1. New products/formulations 2. XtendFlex/GlytolLibertyLink/Widestrike 3. Conservation Tillage

1. New products/formulations 2. XtendFlex/GlytolLibertyLink/Widestrike 3. Conservation Tillage 4. Auxin Tolerant Technologies 5. Reminder of keys for success. 2016 Cotton Weed Control. Warrant Ultra Herbicide. Mix of Warrant + fomesafen (i.e Reflex).

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1. New products/formulations 2. XtendFlex/GlytolLibertyLink/Widestrike 3. Conservation Tillage

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  1. 1. New products/formulations 2. XtendFlex/GlytolLibertyLink/Widestrike 3. Conservation Tillage 4. Auxin Tolerant Technologies 5. Reminder of keys for success 2016 Cotton Weed Control

  2. Warrant Ultra Herbicide • Mix of Warrant + fomesafen (i.e Reflex). • Label: preplant, PRE at-planting, & directed. • 3. Monsanto literature: 48-70 fl oz • 4. Suggest (38 oz)= 12oz Reflex + 2.2pt Warrant • 5. Add ½ pt of Warrant for Roundup system.

  3. Glufosinate Formulations - Cotton Slide from Prostko

  4. Brake Non-treated • Section 18 • New chemistry for agronomics. • Mix of fluridone and fomesafen (i.e. Reflex). • Apply PRE behind press wheel (~16 oz/A). • Very good for weeds, costly, watch carryover, systems approach required.

  5. Similar chemistry as Dual and Warrant. • Minimal research in RR or RR/LL cotton. • Positioning for dicamba-tolerant cotton? • Overtop from 1 leaf – 2nd wk of bloom. • Label: up to 21 oz/A; suggest 12-16 oz/A.

  6. Similar chemistry as Dual and Warrant. • DIRECTED application after 7-leaf cotton. • Label: 0.75 to 1.5 oz/A; suggest 0.75-1 oz/A mixed with Direx + MSMA for longer and better residual control.

  7. Valor + Zidua • PRECISION DIRECTED, 18+ inch, bark! • Label: 3 oz/A • Mix with MSMA or Roundup……very good but can be hot stuff.

  8. Different Tolerance to Liberty??

  9. Tolerance to Liberty?? 28 studies Liberty injury less than 15% except for 3 studies conducted under extremely challenging environments.

  10. XtendFlex 1553 Ponder Farm June 17 24 hr after trt Liberty alone 1 X ENVIRONMENT EXTREME FOR INJURY Both cultivars treated with same bottle ST 6448

  11. Percent Visual Cotton Injury. 3 DAT. TyTy GA. 2015. Environment A. ENVIRONMENT EXTREME FOR INJURY Liberty = 32 oz/A; Roundup Pmax = 32 oz/A; Warrant = 48 oz/A. No adjuvants; 15 GPA. LSD = 5.34; CV 13.46

  12. Using Heavy Rye Covers For Sustainability Rye Cover Weedy Cover

  13. RESEARCH: RYE & CLOVER STRONG • 1. Data suggest killing cover > 10 d before plant. • Wet soils first 3 wks after plant hurts; raise bed? • Blends don’t make sense but research on-going. RYE CLOVER

  14. Delaying Cover Termination Days to 4” Palmer Amaranth POST Application Termination Timing by Cover Crop Tifton, GA 2015 Culpepper and Steckel 2015

  15. Auxin Systems Non-treated Auxin system

  16. Seed: handful Herbicide: • Overcome synergism issue (endangered species). • Will data need to be developed? Seed: lots Herbicide: • Comment period? • How long it open? • Number of comments? COTTON 2016

  17. Palmer Control By Liberty/Roundup Based System At Harvest. 5 Loc, GA/NC 2015. >99 100 100 >98 >96 % Reflex + Warrant Warrant + Direx Warrant + Cotoran Reflex + Direx Brake F16 POST 1: Roundup + Liberty; POST 2: Roundup + Liberty; LPD: Direx + MSMA

  18. Large Acreage Study. Palmer Amaranth Per Acre at Harvest. Georgia. 2016. 125 d 109 c 33 b 2 a Liberty twice Lib + RU + Warrant twice RU + dicamba + Dual twice Lib + RU twice POST PRE: Reflex + Warrant LPD: Direx + MSMA

  19. Auxin Systems Compared to Today: • Weed control better, lower herbicide and hand weeding input costs (not much easier). • Crop injury (cotton) more complex. • Off-target movement more complex

  20. Auxin Systems • Clean at planting • Two Residual PRE’s….. • Sequential POST’s…….. • Layby……

  21. 1 X Injury in a Challenging Environment (worst 10% of time?) RU + dicamba 2 X

  22. Layby……….critical to sustainability!! For Palmer: Direx + MSMA; add Envoke for morningglory. If grasses: Roundup + Direx; add Envoke for morningglory.

  23. The Balancing Act - Auxins More economically effective sustainable programs? Managing off-target movement

  24. UGA’s 15 Factors Influencing Success Spray Tip Wind Size of Crop Spray Pressure Land Terrain Sprayer Speed Buffers Humidity Boom Height Herbicide Footprint/ Surrounding crops Tank Cleanout Drift Control Agent Volatility Proper Formulation Residue Tolerance

  25. 2016: UGA-GDA Trainings Industry can join us if they like! Georgia Department of Agriculture

  26. 2016 UGA-GDA Classroom Trainings* Feb 22 (Turner/Bacon) Feb 23 (Dooly/Dodge; Brooks/Mitchell) Feb 29 (Early/Terrell; Tattnall+Toombs/Screven) March 1 (/Gordon/Madison; Washington/Emanuel) *Meeting times: ~9 am and ~2 pm except Madison 4 pm. *Training required to spray 2,4-D or dicamba over respective technologies.

  27. Using Pesticides Wisely! 2015 Locations Feb 9: Bainbridge; Moultrie Feb 10: Tifton, Cordele Feb 11: Americus Feb 12: Waynesboro; Statesboro Feb 13: Alma Mar 17: Hawkinsville; Tifton Mar 18: Statesboro • 1337 people trained • 1061 growers….do not have to retake training

  28. Was this training worth your time? All Locations 99.1 99 98 % 2 .9 1 Yes No Yes No Yes No Grower (#731) Consultant (#46) Other* (#98) *Other consisted of Extension, Workers, Dealers, Ginner, Farm Manager, Research, YF Teacher.

  29. Do you think this training will help you reduce pesticide drift issues? All locations 98 98 95 % 5 2 2 Yes No Yes No Yes No Grower (#735) Consultant (#47) Other* (#96) *Other consisted of Extension, Workers, Dealers, Ginner, Farm Manager, Research, YF Teacher.

  30. ALL PESTICIDES Focus is 2,4-D & Dicamba 2016 Extension Trainings Classroom Training One-on-one Training

  31. KEYS TO SUCCESS - PALMER • Palmer free at planting. • Select 2 residual PRE’s behind press wheel. • Avoid causing injury with Irrigation. A. Ideal plant depth B. Plant into moist soil C. Right rate D. Smart irrigation: once 30 - 48 hr after planting; limit it afterwards.

  32. KEYS TO SUCCESS • Palmer free at planting. • Select 2 residual PRE’s behind press wheel. • Avoid causing injury with Irrigation. • Sequential POST applications…TIMELY • Directed application. • Hand weeding. • Crop rotation.

  33. WHICH SYSTEM IS THE BEST? • Roundup System: • Clean at planting. • 2 residual PRE’s • POST 13 d after plant • POST 13 d later • Timely Layby • RU + Liberty System: • Clean at planting. • 2 residual PRE’s • POST 17 d after plant • POST 13-17 d later • Timely Layby Auxin System: Weed control better; injury more complex; off-target movement far more complex

  34. UGA Extension Education Fund Master’s degree from UGA Tifton while working 2 yr in county with agents Or Master’s degree from UGA Tifton while working 1 yr in county with agents and 1 yr with specialist

  35. UGA Extension Education Fund Extension Faculty Are Committed: 85 K Industry: AmVac Bayer DuPont FMC Gowan Helena NuFarm RW Griffin SePro Southern States Syngenta TKI Triangle Triest United Phos. Valent http://extension.uga.edu/go/donate/mpppm

  36. Time of Day Impact on Palmer Amaranth Control by Various Herbicides XX = worst level of control; X = low level of control; $ = highest level of control Times provided in the top row of the table are when applications were made.

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