2014 tift county melon update intercropping herbicide update
TRANSCRIPT
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2014
Tift County Melon Update
Intercropping
Herbicide update
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Cantaloupe-Cotton Intercropping
Cantaloupe Cotton
Yield No reduction 0-12% reduction
Crop value 17% increase >1,000 increase
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Watermelon-Cotton Intercropping
Watermelon Cotton
Yield No reduction 12-18% reduction
Crop Value 14% increase >1,000 increase
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*Monoculture of each crop included for comparison.
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Cantaloupe
Cotton SoybeanPeanut
30 days after transplant
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Watermelon
Cotton SoybeanPeanut
30 days after transplant
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Squash
Cotton SoybeanPeanut
30 days after transplant
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Conclusions
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Cotton Yield
1,135 lbs/A (a)
1,325 lbs/A (a)
1,215 lbs/A (a)
*Monoculture yield=1,125 lbs/A (a)
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Peanut Yield
5,575 lbs/A (a)
5,515 lbs/A (a)
5,530 lbs/A (a)
*Monoculture yield=5,155 lbs/A (a).
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Soybean Yield
66 bu/A (a)
28 bu/A (b)
*Monoculture yield=68 bu/A (a)
59 bu/A (a)
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Intercropping Cucurbits with Cotton
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Cotton Tolerance to Sonalan/Curbit
good tolerance BUT no label for cotton
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TREFLAN 4-D LABEL (GA ONLY) – Intercropping Cucurbits with Cotton
1.Apply with burndown over mulch (prior to punching holes).
2.A single 0.5” rain/irrigation to wash mulch and to active herbicide within 24 hr.
3.Apply 1 to 2 pts depending on soil type.4.Wait at least 1 d prior to transplanting.5.Can also apply PRE to cotton (directed to melons)……don’t exceed max use rate.
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Treflan HFP
Labeled for cotton.
Melon label: Apply Treflan as direct spray to soil between rows after 3 to
4 leaves. (Rates from 1-2 pts)
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Treflan HFP
Gramoxone
+ TreflanPlow
Treflan band after
cotton
Wash
mulch
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Sandea
Watermelon: row middle
Cantaloupe: topical
No cotton label!!!!
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Sandea
*Consistent cotton stunting 10-20%, if planting without tillage in 14 to 21 days.
*Spot spray for nutsedge?
*Cultivation (tillage will reduce injury).
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Sinbar
Watermelon: great tool
Cantaloupe: bad idea
Cotton: disaster
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Sinbar Injury
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Reflex
Watermelon Preplant: great tool
Cantaloupe Anytime: bad idea
Cotton Preplant: great tool
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2014 New Labels-Reflex
Watermelon
Bareground seed: 10 to 12 oz/A PRE
Bareground transplant:
A. Prepare land;
B. Apply 10-12 oz Reflex
C. Irrigate
D. Punch hole and transplant
Not Labeled
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2014 New Labels-Reflex
Watermelon
Mulch Seed or transplant:
A.May apply over mulch; must wash ½ inch; 10-12 oz/A
Not Labeled
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Treflan HFP – Watermelon Intercrop
Gramoxone+ Treflan
+ ReflexPlow
Treflan band after
cotton
Wash
mulch
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2014 New Labels-Reflex
Watermelon
Mulch Seed or transplant:
A.May apply over mulch; must wash ½ inch; 10-12 oz/A
B.Can apply under mulch if not disturbed when laying mulch at 10 to 12 oz/A.
C.Row middles 16 oz/A
Not Labeled
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REFLEX UNDER MULCH50-70% yellow nutsedge under mulch control, excellent
Pigweed control
Spray after laying drip tape
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REFLEX PREPLANT ON YELLOW NUTSEDGE
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Cantaloupe Response to Reflex?
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No Reflex Reflex 1 pt/A applied 205 days before transplanting
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Watermelon and Cantaloupe
- Row middle bareground: 8 to 12 oz/A
- Row middle mulch: 12 to 16 oz/A
- Do not apply topically
- Do not broadcast over mulch
2014 New Labels-Dual Magnum
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Mulched watermelon injury to Dual Magnum applied post-transplant on mulch. TyTy, 2010.
0
20
40
60
80
100
8 d 16 c
40 b
8 oz 12 oz
50 a
24 oz 36 oz
%
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FOR WEED CONTROL
METAM SODIUM
(Vapam, others) STILL BEST
OPTION UNDER MULCH
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Questions or Comments?