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Post emergence soybean lync training Jim Martin. Duration of Weed Competition. Common Guidelines Corn Remove at 2-4” weeds Soybean Remove at 6-8” weeds. PROGRAM APPROACH TO MANAGING WEEDS IN SOYBEANS. Soil - Residual Herbicide Plus Foliar - Applied Herbicide.

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Post emergence soybean lync training jim martin
Post emergence soybean lync trainingJim Martin


Duration of weed competition
Duration of Weed Competition

Common Guidelines

  • Corn

    • Remove at 2-4” weeds

  • Soybean

    • Remove at 6-8” weeds


Program approach to managing weeds in soybeans
PROGRAM APPROACH TO MANAGING WEEDS IN SOYBEANS

Soil - Residual Herbicide

Plus

Foliar - Applied Herbicide

(Include Herbicides with Different Modes of Action)


Response to resistance mechanism pre vs post applications
RESPONSE TO RESISTANCE MECHANISMPRE vs POST APPLICATIONS

  • Waterhemp resistance to some herbicides is more noticeable with Post application than Pre application.

  • HPPD Inhibitors

    • (Callisto, Laudis, Impact, Balance Flexx)

  • PPO Inhibitors

    • (Flexstar, Cobra, Valor, Authority products)


Palmer amaranth control pre post versus post fulton co 2012
Palmer Amaranth ControlPre + Post Versus Post (Fulton Co 2012)

% Control

POST

PRE + POST

Rated 9-25-12


Post emergence soybean lync training jim martin
Palmer Amaranth Control with Liberty vs Prefix as a Post Option Following a Preemergence Herbicide (Fulton Co 2012)

% Control

Rated 9-25-12


Waterhemp control with late post treatments union co 2012
Waterhemp Control with Late Post Treatments Option Following a Preemergence Herbicide (Fulton Co 2012)(Union Co 2012)

(% Control)

0.9 oz/A

12.5 oz/A

2.33 oz/A

1.5 pt/A

32 oz/A

- Applied 6-14-12 Waterhemp 12“ tall

- Rated 12 DAT


Impact of spray volume and weed size on waterhemp control with liberty and prefix in ll soybean
Impact of Spray Volume and Weed Size on Waterhemp Control with Liberty and Prefix in LL Soybean

Liberty 29 oz/A

Prefix 2.33 pt/A

a

a

Hancock CO 2013


Fomesafen carryover
FOMESAFEN CARRYOVER with Liberty and Prefix in LL Soybean?

* Reflex, Dawn, Rythm are similar to Flexstar


Fomesafen corn injury symptoms
Fomesafen Corn Injury SYMPTOMS with Liberty and Prefix in LL Soybean

A, Hager

Univ of ILL

Purdue

Veinal Chlorosis or Necrosis


Soybean injury from soil residual herbicides
Soybean Injury From Soil-Residual Herbicides with Liberty and Prefix in LL Soybean


Glyphosate and yellow flash in soybean
Glyphosate and Yellow Flash In Soybean with Liberty and Prefix in LL Soybean


Impact of wheat stand on marestail
IMPACT OF WHEAT STAND ON MARESTAIL with Liberty and Prefix in LL Soybean

72 Wheat Heads / FT2

34 Wheat Heads / FT2


Post emergence soybean lync training jim martin

  • 6/29-6/30 Harvested Wheat &Bailed Straw with Liberty and Prefix in LL Soybean

  • 7/3 Planted RR Soybean

  • 7/8 Authority XL + Glyphosate

  • 7/16 Field Appeared to be Clean

  • 7/25 Field with 2”- 10” Palmer

  • 7/26 Applied Top Gun + Glyphosate

Photo 7/25