Slide Presentation

TITLE    (click title to view slides)
2003 County Agent Training in Peanut Production - Weed Management

AUTHOR
Dr. Eric P. Prostko
Extension Weed Specialist
University of Georgia

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TABLE OF CONTENTS
  1. 2003 County Agent Training in Peanut Production
  2. Topics For Discussion
  3. Classic Use in GA Peanuts
  4. Classic/TSWV Summary
  5. TSWV as Influenced by Classic
  6. Changes to 2003 TSWV Risk Index
  7. Cadre
  8. Tropic Croton Control in Peanut - 19 DAT
  9. Results
  10. Tropic Croton Control in Peanut - 15 DAT
  11. Results
  12. Herbicide/Fungicide Combinations
  13. Herbicide/Fungicide Tank-Mixes
  14. Herbicide Combinations
  15. Hophornbeam Copperleaf Control - Randolph County, GA - 2001
  16. Weed control in peanuts with reduced rates of Strongarm and Valor, 2002.
  17. Valor Clean-Up Procedures
  18. Will using 1 oz of Cadre reduce the potential for cotton rotation problems?
  19. Influence of Cadre Rate on Cotton Yield - Tift County (Ty-Ty)
  20. Influence of Cadre Rate on Cotton Yield - Sumter County (Plains)



SLIDE CONTENTS
  1. 2003 County Agent Training in Peanut Production Weed Management Eric P. Prostko Extension Weed Specialist Dept. of Crop & Soil Sciences University of Georgia
  2. Topics For Discussion Classic/TSWV tropic croton/Cadre herbicide/fungicides Strongarm + Valor Valor Clean-Up Cadre/cotton
  3. Classic Use in GA Peanuts
  4. Classic/TSWV Summary 8 locations/3 years more than 30% TSWV in untreated * no Classic effect * system is overwhelmed by TSWV less than 30% TSWV in untreated * increases in TSWV related to time of application * 9 WAE = 200% increase * 13 WAE = 250% increase * i.e. untreated = 10%/treated = 25%
  5. TSWV as Influenced by Classic
  6. Changes to 2003 TSWV Risk Index
  8. Tropic Croton Control in Peanut - I 19 DAT Weeds < 1” Tall LSD 0.10 = 9
  9. Tropic control control in peanut with Cadre + Ultra Blazer combinations applied to 1” tall weeds. A = untreated, B = Cadre @ 1.44 ozs/A + Ultra Blazer @ 8 ozs/A. Photos taken 19 DAT. A B
  10. Tropic Croton Control in Peanut - II 15 DAT Weeds 5-6” Tall LSD 0.10 = 5
  11. Tropic control control in peanut with Cadre + Ultra Blazer combinations applied to 5-6” tall weeds. A = untreated, B = Cadre @ 1.44 ozs/A + Ultra Blazer @ 16 ozs/A. Photos taken 15 DAT. A B
  12. Herbicide/Fungicide Combinations flat fan or hollow cone nozzles spray volumes (10 GPA or 15 GPA) grass or broadleaf weeds NIS or COC do not mix copper fungicides with herbicides!
  13. Herbicide/Fungicide Tank-Mixes
  14. Herbicide Combinations compliment each other lower rates reduced cost less carryover? more research different MOA not labeled
  15. Hophornbeam Copperleaf Control Randolph County, GA - 2001 6 WAT Untreated Strongarm (0.45 ozs/A) Valor (3 ozs/A) Strongarm 0.113 ozs + Valor 0.75 ozs/A
  16. Weed control in peanuts with reduced rates of Strongarm and Valor, 2002. Untreated Strongarm 0.45 oz/A Valor 3 oz/A Strongarm 0.113 oz/A + Valor 0.75 oz/A Attapulgus, GA (7 WAP)
  17. Valor Clean-Up Procedures tank vs. hose issue polyurethane vs. rubber anti-drip systems with diaphragms flush hoses after use release pressure delay spraying for 20-30 seconds
  18. Will using 1 oz of Cadre reduce the potential for cotton rotation problems?
  19. Influence of Cadre Rate on Cotton Yield Tift County (Ty-Ty) * * * * * * * * * Averaged over 2 varieties (DP 33B, SG 501/BG/RR) * = significantly different from untreated within year (P = 0.05)
  20. Influence of Cadre Rate on Cotton Yield Sumter County (Plains) * * * * * * Averaged over 2 varieties (ST 4892BG/RR, ST 4691BG) * = significantly different from untreated within year (P = 0.05) * * * * * * *