2010 herbicide update
DESCRIPTION
2010 Herbicide Update. Laudis Select Max Dual Magnum Chateau Alanap Reflex Paladin. Laudis 3.5 SC. active ingredient = Tembotrione limited research (not included in PCH) field corn, seed corn, sweet corn and popcorn focus today on sweet corn - PowerPoint PPT PresentationTRANSCRIPT
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2010 Herbicide Update
Laudis
Select Max
Dual Magnum
Chateau
Alanap
Reflex
Paladin
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Laudis 3.5 SC
• active ingredient = Tembotrione
• limited research (not included in PCH)
• field corn, seed corn, sweet corn and popcorn
• focus today on sweet corn
• controls crabgrass, goosegrass, broadleaf signalgrass, and Texas panicum (millet) up to 3 inches
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Laudis 3.5 SC
• do not apply to Merit or Shogun cultivars
• limited experience (VC0808 and WSS0987)
• 3 oz product per acre from emergence to V7
• include an MSO (methylated seed oil)
• can tank mix with atrazine
• only one application
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Sweet Corn and Texas Millet Response to Laudis Systems. Ty Ty, GA. 2009. V17.
Non-treated control Laudis 3 oz + MSO to 3” millet
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Sweet Corn and Texas Millet Response to Laudis Systems. Ty Ty, GA. 2009. V17.
Non-treated control Laudis 3 oz + MSO to 6” millet
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Sweet Corn and Texas Millet Response to Laudis Systems. Ty Ty, GA. 2009. V17.
Atrazine PRE
Atrazine + Prowl POST
Bicep II Magnum
Prowl + Atrazine POST
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Sweet Corn and Texas Millet Response to Laudis Systems. Ty Ty, GA. 2009. V17.
Atrazine PRE
Laudis + MSO 3” millet
Bicep II Magnum
Lauidis + MSO 3” millet
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Percent Texas Millet Control at Harvest. TyTy, GA 2009. V17-09.
0
20
40
60
80
100
95 a
36 c
78 b
97 a
97 a
Atrazine
Prowl + Atrazine
Bicep II Mag
Prowl + Atrazine
Atrazine
Laudis
Bicep II Mag
Laudis Laudis + Atrazine
PRE
POST
Atrazine 1 qt/A; Bicep Mag. 2 qt/A; Laudis 3 oz/A.
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Laudis: Carryover Concerns?
• Label
4 months: grains
8 months: soybean
10 months: cotton, tomato, snapbean
18 months: cucurbits, other crops
• UGA has no carryover data!
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Clethodim + COC, Cook Co. 2009
Grass Control Herbicides
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Grass Control Herbicides
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Select Max
• clethodim– Select Max 0.97 EC
– Apply twice the rate of Select 2 EC– Cucurbits and fruiting vegetables
– Current label allows NIS or COC
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Grass Control Issues with Select or Poast Products
full rate of crop oil
half rate of crop oil
nonionic surfactant
no surfactant
More Control but More Injury
Less Injury but Less Control
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Percent large crabgrass control with various clethodim products and adjuvants. TyTy, GA 2009.
0
20
40
60
80
100
75 b
30 c
99 a
Select Max
12 oz
Select
6 oz
Select Max +NIS
Select + NIS
Select + COC
97 a
99 a
Large Crabgrass 4 inches at time of application!
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Percent large crabgrass control with various clethodim products and adjuvants. TyTy, GA 2009.
0
20
40
60
80
100
75 b
30 c
99 a
Select Max
12 oz
Select
6 oz
Select Max +NIS
Select + NIS
Select + COC
97 a
99 a
Large Crabgrass 4 inches at time of application!
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Select Max
• Working with Valent for GA Label allowing Select Max applications without adjuvant
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Dual Magnum in Numerous Veggies
(Labels expected within week)
1. Cabbage, Chinese cabbage, broccoli, collard, and cauliflower
2. bell peppers (transplant)
3. dry bulb onion, green onions
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MULCHED TRANSPLANTS: POST
1. transplant in old mulch
2. wait 10 days
3. spray 8 to 16 oz/A Dual Magnum overtop
BAREGROUND TRANSPLANTS: POST
1. after transplant, irrigate to seal soil around rootball.
2. Five to 10 days after irrigation, apply over top of transplants at a rate of 8 to 16 oz/A.
Cabbage, Broccoli, Collard, and Cauliflower
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Dual Mag 16 oz POST No Dual Mag.
Cabbage and Broccoli Response to Dual Mag
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Dual Mag POT 10 d No Dual Mag.
Cabbage and Broccoli Response to Dual Mag
In bareground need to be using Treflan PPI
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1. Preplant application
2. POST application
3. Split application
Bell Pepper
(Plasticulture and Bareground)
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Split application
Bell Pepper
(Plasticulture and Bareground)
PRE:
6-8 oz Dual Mag
2 to 3 lb Devrinol
Command
POST 1:
8-10 oz Dual Mag
POST 2:
Select Max as needed
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• Seeded and transplant
Dual Magnum in Onion
Transplant dry bulb: no big fit continue with Prowl + Goal
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1. Apply 6 to 8 oz of Dual Magnum at 4 leaf
2. Apply up to 12 oz Dual Magnum at 6 leaf
Seeded Onion (dry bulb or green)
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Seeded onion injury from Dual Magnum. 2006.
0
10
20
30
40
50
60
70
80
90
100
8 oz 16 oz
PRE 1-2 leaf 6 leaf
93 a
93 a
0 c16 b 0 c
38b
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1. Raised bed only
2. Up to 4 oz/A
3. Can not touch the mulch
4. Product can not be effectively washed from the mulch
Chateau Row Middle Labels
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Likely Chateau Row Middle Label
5. Apply PRIOR to transplant
6. Need rain after application, prior to transplant
7. Residual control of purslane, eclipta, pigweeds, beggarweed
8. Need tank mix partner for grasses
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Grower System + Chateau
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Great fit for row middles without cover crop...what happens with cover?
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Alanap Going Away – Spring 2008
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
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Curbit Curbit followed by Alanap
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Carryover from Reflex applied under mulch. Crops planted 6 months later. 2007
0
20
40
60
80
100
Seeded cucumber Transplant cucumber Seeded collard
Transplant collard Transplant cabbage Transplant broccoli
Sweet corn
% in
jury
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1. Labeled in April or May……I hope!
2. Come to MB section on Saturday
DMDS (Paladin)
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No Fumigant
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Paladin 40 G
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No Fumigant, No Herbicide,
Blockade Film
Herbicide Coated Mulch
No Fumigant, No Herbicide
BIG Film
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Third Party Registrations
1. Labels are held by GFVGA.
2. Label must be in hand of user.
3. Small fee.
4. Growers must support this program.
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Georgia Vegetable Commodity Commission
Support for most of this work!!!!