2011 GFVGA: New Herbicide Update for Georgia Vegetables Dual Magnum - - PowerPoint PPT Presentation

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2011 gfvga new herbicide update for georgia vegetables
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2011 GFVGA: New Herbicide Update for Georgia Vegetables Dual Magnum - - PowerPoint PPT Presentation

Oct 14, 2022 309 likes •756 views

2011 GFVGA: New Herbicide Update for Georgia Vegetables Dual Magnum Chateau Laudis Select Max Reflex Paladin Dual Magnum New Labels 1. Cabbage 2. Broccoli 3. Collards 4. Cauliflower 5. Bell Pepper transplants 6. Green or dry bulb

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2011 GFVGA: New Herbicide Update for Georgia Vegetables

Dual Magnum Chateau Laudis Select Max Reflex Paladin

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SLIDE 2

Dual Magnum New Labels

  • 1. Cabbage
  • 2. Broccoli
  • 3. Collards
  • 4. Cauliflower
  • 5. Bell Pepper transplants
  • 6. Green or dry bulb onions
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SLIDE 3

Dual Magnum Indemnified New Labels

  • 1. www.farmassist.com
  • 2. Indemnified labels
  • 3. Login (or create login and password)
  • 4. Georgia, Dual Magnum
  • 5. Accept Waiver
  • 6. Print label
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SLIDE 4

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. Mulched transplants: POST

  • 1. transplant in old mulch
  • 2. wait 10 days
  • 3. spray 8 to 16 oz/A Dual Magnum overtop

Cabbage, Broccoli, Collard, and Cauliflower

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SLIDE 5

Dual Mag 16 oz POST No Dual Mag.

Cabbage and Broccoli Response to Dual Mag

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SLIDE 6

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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SLIDE 7

Bareground seeded: POST

  • 1. after crop reaches 3 inches.
  • 2. apply over top at a rate of 8 to 12 oz/A.

Cabbage, Broccoli, Collard, and Cauliflower

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SLIDE 8

Transplant bareground:

  • 1. Treflan PPI
  • 2. Goal pretransplant (cabbage, broccoli, cauliflower)
  • 3. Dual Magnum POST

Cabbage, Broccoli, Collard, and Cauliflower

Seeded bareground:

  • 1. Treflan PPI
  • 2. Devrinol PRE (cabbage, broccoli, cauliflower)
  • 3. Dual Magnum POST
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SLIDE 9

Cabbage, Broccoli, Collard, and Cauliflower

Mulch:

  • 1. Burndown preplant, wash mulch
  • 2. Dual Magnum POST

Do not currently understand how Goal or Devrinol interact with mulch when applied topically.

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SLIDE 10
  • 1. Preplant application
  • 2. POST application
  • 3. Split application

Bell Pepper (Plasticulture and Bareground)

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SLIDE 11

Bell Pepper (Plasticulture and Bareground)

Preplant under mulch: Devrinol Command POST 1:

12 oz Dual Mag

POST 2:

Select Max as needed

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SLIDE 12

Bell Pepper Response to Dual Magnum Applied Topically. TyTy, GA. 2010.

20 40 60 80 100 1 d 3 d 6 d 11 d

20 4 Days after transplant for Dual application

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SLIDE 13

Tomato Response to Dual Magnum Applied Topically. TyTy, GA. 2010.

20 40 60 80 100 1 d 3 d 6 d 11 d

14 6 Days after transplant for Dual application

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SLIDE 14
  • Seeded and transplant

Dual Magnum in Onion

Transplant dry bulb: no big fit continue with Prowl + Goal

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SLIDE 15
  • 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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SLIDE 16

Seeded onion injury from Dual Magnum. 2006.

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 c 16 b 0 c 38 b

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SLIDE 17
  • 1. Tomato
  • 2. Pepper
  • 3. Eggplant
  • 4. Watermelon
  • 5. Cantaloupe

Chateau Row Middle Mulch Labels

  • 1. cucumber
  • 2. squash
  • 3. pumpkin

Been Labeled: Labeled Now:

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SLIDE 18

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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SLIDE 19
  • 1. Raised bed only
  • 2. Up to 4 oz/A
  • 3. Spray before planting
  • 4. Do not touch the mulch with spray
  • 5. Product can not be effectively

washed from the mulch

Chateau Row Middle Labels

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SLIDE 20

Chateau Row Middle Mulch Label

  • 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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SLIDE 21

Grower System + Chateau

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SLIDE 22

Great fit for row middles without cover crop...what happens with cover?

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Reflex

  • 1. tomato and pepper very soon
  • 2. watermelon 2012/2013
  • 3. squash 2012/2013
  • 4. cantaloupe 2013?
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SLIDE 24

Reflex: Tomato/Pepper NOT LABELED YET

Bareground, transplants: Apply 1 to 1.5 pt/A preplant non-incorporated up to 7 days prior to transplanting. Irrigate before transplanting if possible. Mulch, transplants: Apply 1 to 1.5 pt/A after final bed form, drip tape laid, and just prior to mulch.

Excellent control of pigweeds, eclipta, starbur, Good control of yellow nutsedge, smallflower mg, ragweed, purlsane, poinsettia

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SLIDE 25
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SLIDE 26
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Cantaloupe Response to Reflex

Follow recommended system Try it yourself?

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Injury from Reflex drift or poor tank cleanout!

pepper cantaloupe

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Carryover from Reflex applied under

  • mulch. Crops planted 6 months later. 2007

20 40 60 80 100 Seeded cucumber Transplant cucumber Seeded collard Transplant collard Transplant cabbage Transplant broccoli Sweet corn % injury

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SLIDE 30

Clethodim + COC, Cook Co. 2009

Grass Control Herbicides

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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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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 – State label allows no adjuvant

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Percent large crabgrass control with various clethodim products and adjuvants. TyTy, GA 2009.

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 Texas millet control with various clethodim products and adjuvants. TyTy Annex, GA 2010.

20 40 60 80 100

84 b 71 c 92 a

Select Max 12 oz Select 6 oz Select Max +NIS Select + NIS Select + COC

91 a 94 a

Texas millet up to 8 inches at time of application!

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Weed Control in Sweet Corn

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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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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 Laudis + MSO 3” millet Bicep II Magnum Lauidis + MSO 3” millet

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Percent Texas Millet Control at Harvest. TyTy, GA 2010. V4-10.

20 40 60 80 100

36 c 84 b 85 a 97 a

Atrazine Prowl + Atrazine Bicep II Mag Prowl + Atrazine Atrazine Laudis Bicep II Mag Laudis

PRE POST

Atrazine 1 qt/A; Bicep Mag. 2 qt/A; Laudis 3 oz/A.

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Laudis 3.5 SC

  • do not apply to Merit or Shogun cultivars
  • limited experience (VC0808, WSS0987, WSS

0987, GSS 0966)

  • 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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Laudis: Carryover Concerns?

  • Label

4 months: grains 8 months: soybean 10 months: cotton, tomato, snapbean 18 months: cucurbits, other crops

  • UGA has limited carryover data!
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SLIDE 43

No Fumigant

DMDS (Paladin) Registered

Paladin Pic

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SLIDE 44

Georgia Vegetable Commodity Commission

Support for most of this work!!!!