AgBioResearch

Michigan Onion Committee Research Priorities

Weed control:

1. Improved crop safety of post-emergence herbicides
2. Improved weed control with pre-emergence herbicides
   • Improved White Campion control
     • Research performed, MOC Onion grant, Chaudhari 2021 and 2022, “Weed management programs with PRE and POST herbicides in onion” ((Pyroxasulfone), (Tiafenacil, Florpyrauxifen-benzyl, and pyroxasulfone + flumioxazin), and (White campion control).
     • Private White Campion trial occuring in Hudsonville, Michigan.

3. Improved control of yellow nutsedge, marsh yellowcress and pepper weeds through chemical and/or cultural methods.

Disease control:

1. Improved understanding of Stemphyllium leaf blight to facilitate targeted application of effective fungicides when conditions favor this disease
   • Research being performed Hausbeck SCBG 2023-2025, Influence of Tip/Leaf Burn and New Fungicides on Onion Stemphylium Leaf Blight
2. Improved understanding and control of bacterial bulb rots
   • Research being performed SCRI grant (Washington State), 2020-
3. Development of disease forecasting models for onion 

Insect control:

1. Improved control of onion thrips, pesticide resistance strategies for thrips and onion maggot, improved IPM strategies.
   • Research being performed Hausbeck SCBG 2021-2023, “Combining Pest Control Strategies to Increase Quality of Yield of Michigan Onions”
   • Research being performed Hausbeck SCBG 2022-2024, “Onion thrips and foliar disease management in commercial onions in Michigan”

Updated August 2024