2011: County Melon Update
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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

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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


Curbit + Sinbar + 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!


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


Dual interaction with mulch?


FMP


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