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Post emergence soybean lync training Jim Martin

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

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  1. Post emergence soybean lync trainingJim Martin

  2. Duration of Weed Competition Common Guidelines • Corn • Remove at 2-4” weeds • Soybean • Remove at 6-8” weeds

  3. PROGRAM APPROACH TO MANAGING WEEDS IN SOYBEANS Soil - Residual Herbicide Plus Foliar - Applied Herbicide (Include Herbicides with Different Modes of Action)

  4. 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)

  5. Palmer Amaranth ControlPre + Post Versus Post (Fulton Co 2012) % Control POST PRE + POST Rated 9-25-12

  6. Palmer Amaranth Control with Liberty vs Prefix as a Post Option Following a Preemergence Herbicide (Fulton Co 2012) % Control Rated 9-25-12

  7. Waterhemp Control with Late Post Treatments(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

  8. 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

  9. FOMESAFEN CARRYOVER? * Reflex, Dawn, Rythm are similar to Flexstar

  10. Fomesafen Corn Injury SYMPTOMS A, Hager Univ of ILL Purdue Veinal Chlorosis or Necrosis

  11. Soybean Injury From Soil-Residual Herbicides

  12. Glyphosate and Yellow Flash In Soybean

  13. IMPACT OF WHEAT STAND ON MARESTAIL 72 Wheat Heads / FT2 34 Wheat Heads / FT2

  14. 6/29-6/30 Harvested Wheat &Bailed Straw • 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

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