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2012 Watermelon Production Meeting

2012 Watermelon Production Meeting. Good Residual Options. Sinbar Sandea Curbit Reflex 2013 maybe?. Sandea Use in Watermelon. PREEMERGENCE: 0.75 oz/A Seeded: Apply after planting, before cracking Transplant bareground/mulch : Do not transplant till 7 d after application.

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2012 Watermelon Production Meeting

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  1. 2012 Watermelon Production Meeting

  2. Good Residual Options • Sinbar • Sandea • Curbit • Reflex 2013 maybe?

  3. Sandea Use in Watermelon PREEMERGENCE: 0.75 oz/A Seeded: Apply after planting, before cracking Transplant bareground/mulch: Do not transplant till 7 d after application. ROW MIDDLE AS WELL

  4. Sandea Under Mulch 50-70% yellow nutsedge under mulch control, 70-80% Pigweed control

  5. Sandea Use in Watermelon *DO NOT APPLY OVER MULCH and then transplant.

  6. Amount of Sandea remaining on plastic mulch. TyTy GA, 2005. percent days Grey, Culpepper

  7. Nontreated Sandea (0.5 oz/A) Watermelon farm in Crisp County, May 2000. Treatment at 1-leaf. Pictures to scale.

  8. Sandea for PRE Weed Control common cocklebur wild radish pigweeds common ragweed common lambsquarters yellow nutsedge - suppression purple nutsedge - suppression 2 to 3 weeks residual weed control

  9. Non-treated Control Sandea (0.5 oz/A) PRE W1-00. Halosulfuron study with Ken Lewis in Cordele.

  10. No herbicide Sandea PRE

  11. Sandea for POST Weed Control 1-3 inch 1-9 inch passionflower cocklebur redroot pigweed ragweed pokeweed velvetleaf yellow and purple nutsedge – heavy infestations may require sequential applications 2 to 3 weeks residual weed control

  12. Curbit (Sonalan) Apply PRE to seeded or row middle Do not apply prior to transplanting bareground Do not apply under mulch

  13. Swelling From Curbit

  14. Over mulch, washed off Under mulch

  15. Amount of Curbit remaining on plastic mulch. TyTy GA, 2005. percent days Grey

  16. Sinbar – Watermelon Only Curbit 1.5 pt/A + Sinbar 2.5 oz Curbit 1.5 pt/A PRE

  17. Reflex • tomato and pepper in Jan • watermelon 2013/2014 • squash 2013/2014 NOT CURRENTLY LABELED IN WATERMELON

  18. Watermelon Response to Reflex? Non-treated Curbit + Reflex

  19. Curbit + Sinbar + Reflex broadcast over mulch

  20. Cantaloupe Response to Reflex!

  21. No Reflex Reflex 1 pt/A applied 205 days before transplanting

  22. Grass Control Herbicides Clethodim + COC, Cook Co. 2009

  23. Percent large crabgrass control with various clethodim products and adjuvants. TyTy, GA 2009. 99 a 97 a 99 a 75 b 30 c Select 6 oz Select + NIS Select + COC Select Max 12 oz Select Max +NIS Large Crabgrass 4 inches at time of application!

  24. Dual interaction with mulch?

  25. Mulched watermelon injury to Dual Magnum applied post-transplant on mulch. TyTy, 2010. % 50 a 40 b 16 c 8 d 8 oz 24 oz 12 oz 36 oz

  26. Metam (Vapam, others) • Best nutsedge option under mulch • Best pigweed option under mulch • No carryover • Costly

  27. If renting land find out what herbicides used last year! Cadre, Staple, Strongarm are very bad news!!!!!!!!!!!!!!!

  28. Don’t plow unless you have to!!!!!!!!!!

  29. Developing Integrated Programs

  30. If renting land find out what herbicides were used last year! Cadre, Staple, Strongarm are very bad news!!!!!!!!!!!!!!!

  31. Comments or Questions?

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