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2011: County Melon Update. Intercropping Reflex Sinbar Grass control Spartan Dual Magnum. Intercropping cantaloupe and cotton. Curbit: Command: Alanap: Sandea: Select/Poast:. Cotton tolerance data to Sonalan. NO DATA. There is a label for ethalfluralin in Iran.
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2011: County Melon Update Intercropping Reflex Sinbar Grass control Spartan Dual Magnum
Intercropping cantaloupe and cotton Curbit: Command: Alanap: Sandea: Select/Poast:
Cotton tolerance data to Sonalan NO DATA There is a label for ethalfluralin in Iran
Command/OP insecticide interaction on cotton No OP OP in-furrow Di-Syston, Phorate, Thimate
Percent cotton injury from Sandea PPI 15 a 8 b 5 bc 1 bc 0. 08 oz 0.16 oz 0.33 oz 0.5 oz Sandea label = 4 mo plant back to cotton. Sandea half life = worst case 34 d, GA summer data = 7 d Much more work needed!
Alanap Should Be Gone • Chemtura voluntarily canceling registration • Production was stopped Oct. 2007 • 50,000 gal inventory • 2.5 years of inventory if normal use continues • Shelf life is about 3 years
Intercropping cantaloupe and cotton Curbit: probably ok (need label) Command: no Alanap: no Sandea: more data (need label) Select/Poast: yes
Intercropping watermelon and cotton Similar to cantaloupe except Sinbar = NO
Reflex • tomato and pepper very soon • watermelon 2012/2013 • squash 2012/2013 • cantaloupe 2013 MAYBE?
Percent watermelon injury from Reflex. Bareground System. Reflex pre-transplant applied 16 oz/A.
Watermelon Response to Reflex? Non-treated Curbit + Reflex
Percent watermelon injury from Reflex. Mulched System. Reflex applied 16 oz/A over mulch. Half inch irrigation prior to transplant.
Cantaloupe Response to Reflex? Applied over mulch and washed from mulch prior to transplant Applied to soil followed by transplanting
Sinbar – Watermelon Only Curbit 1.5 pt/A + Sinbar 2.5 oz Curbit 1.5 pt/A PRE
Sinbar Label “Do not replant treated areas to any crop within 2 years after last application as injury to the subsequent crop(s) may result.”
Carryover from Reflex applied under mulch. Crops planted 6 months later. 2007 % injury
Grass Control Herbicides Clethodim + COC, Cook Co. 2009
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!
Spartan ( 8 oz) Carryover Label: 12 months to watermelon and cantaloupe Data: Experiment applied 2X rate and then planted watermelon 10 months later = 18% injury max with no crop loss
Bareground melon injury to Dual Magnum applied pre-transplant or post-transplant. TyTy, 2010. % 45 a 17 b 15 a 10 b PRE PRE POST POST cantaloupe watermelon Dual Magnum 12 oz/A
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 watermelon Dual Magnum 12 oz/A