1. GRAIN SORGHUM WEED CONTROL UPDATE – 2015 Eric P. Prostko, Ph.D. Extension Weed Specialist Berrien Co, October 2014

2. GRAIN SORGHUM WEED CONTROL 1)Start clean! 2)Concep treated seed 3)Dual Magnum or Warrant (PRE) 4)Atrazine (POST) 5)Paraquat (Hooded sprayer) 6)Mechanical Cultivation

3. Weed Control in Grain Sorghum - 2013 SG-02-13 June 3 41 DAP NTC Dual II Magnum 7.64EC @ 1 pt/A (PRE) Aatrex 4L @ 48 oz/A (POST) COC @ 1% v/v (POST)

4. A New Product to Consider? Huskie 2.06EC Huskie 2.06EC Bayer CropScience Bayer CropScience Buctril (1.75 lbs/gal) + pyrasulfotole (0.31 lbs/gal) Buctril (1.75 lbs/gal) + pyrasulfotole (0.31 lbs/gal) MOA = 6 + 27 MOA = 6 + 27 Postemergence (13-16 oz/A) Postemergence (13-16 oz/A) 3-leaf to 12” tall sorghum 3-leaf to 12” tall sorghum Broadleaf weeds, good on pigweed Broadleaf weeds, good on pigweed Tank-mix with atrazine (16 oz/A) Tank-mix with atrazine (16 oz/A)

5. Huskie Weed Control/Injury – 2014 NTC Huskie @16 oz/A Aatrex @ 16 oz/A AMS @ 1 lb/A NIS @ 0.25% v/v Huskie @16 oz/A AMS @ 1 lb/A NIS @ 0.25% v/v SG-02-14 May 19 7 DAT

6. Huskie Injury on Sorghum

7. Huskie Rotation Restrictions (cotton and peanut are not listed)

8. Inzen™ Z Grain Sorghum Kansas State Univ. DuPont/Advanta US Resistance to POST applications of ALS herbicides Non-GMO  ALS-resistant shattercane Dual/Cinch/Warrant PRE a must in my opinion  Concep treated seed Stewardship!!! Zest (liquid Accent)

9. Weed Control in Inzen Sorghum - 2014 SG-01-14 June 19 31 DAP NTC Dual II Magnum 7.62EC @ 16 oz/A – PRE Zest 0.33SC @ 12 oz/A – POST + Atrazine 90DF @ 13.3 oz/A – POST + COC @ 1% v/v - POST

10. Don’t Plant Sorghum in Fields Treated with Reflex in the same year!!!!

11. Current UGA Canola Weed Control Research Howard F. Schwartz, Colorado State University, Bugwood.org

12. NTC vs. Dual Magnum @ 3.5 oz/A + Command @ 3.5 oz/A – PRE CAN-01-14 11/21/14 35 DAT

13. Canola Response to PRE Applied Reflex - 35 DAT 8 oz/A 4 oz/A2 oz/A CAN-02-14 11/21/14 Average field half-life for Reflex is 100 days

14. Must be timely with Beyond in canola! 1 week too late NTC Beyond 1AS @ 4 oz/A Adept @ 0.25% v/v AMS XTRA @ 2.5% v/v 2 WAT CAN-01-14 12/05/14

15. Questions or Comments? eprostko@uga.eduwww.gaweed.com