What's new from CALS at Cornell University?
Joshua Putman, Field Crops and Forage Specialist
Southwest New York Dairy, Livestock and Field Crops Program

Horticulture Weed Scientist, Dr. Lynn Sosnoskie, has been conducting some interesting research over the past few months. Extension specialists from all around the state collected and submitted weed specimens for herbicide-resistance testing to better understand the best management practices for these weeds in field crops. Such species included marestail, Powell amaranth, waterhemp, and Palmer amaranth. In addition, Dr. Sosnoskie is working closely with Dr. Yu Jiang to develop a pocket Pigweed ID guide for growers. They are taking 3D images of the weeds at seedling stage all the way to flowering. This information and these tools will help growers maintain crop yields and apply the right herbicide chemistries to their fields.
Upcoming Events
So, You Want to Start a Farm Stand?
May 12, 2026
Artificial Insemination Training For Cattle Producers
June 5 - June 6, 2026
Arkport, NY
Subject Options:
- Learn AI in Your Herd - Upcoming Trainings in NY
- Hands-On AI Training for Beef & Dairy Producers
- Improve Your Herd's Genetics - Register for AI Training
2026 Multi-Species Pasture Walk at the Vanstrom Homestead
June 20, 2026 : 2026 Multi-Species Pasture Walk at the Vanstrom Homestead
Kennedy, NY
Our team is partnering with Chautauqua Co Soil and Water, WNY Crop Mangement, and the Vanstrom Homestead to bring you a pasture walk and hands-on workshop series. Topics include multi-species grazing, forage sampling/results interpretation, soil sampling/results interpretation, and a high tensile fence installment.
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