Berg Agricultural Hall 316
Agronomy, Horticulture & Plant Science-2207A
Brookings, SD 57007
Graig supports the citizens of South Dakota as an SDSU Extension Weed Ecology Field Specialist at the South Dakota State University campus in Brookings.
Weather cannot be controlled, but there are variables we can control to help increase the effectiveness of postemergence herbicides during drought conditions.
Absinth wormwood, Canada thistle and leafy spurge have emerged and are growing in eastern South Dakota. If not effectively managed, these weeds can displace desirable forage in pasture and rangeland.
Global pesticide developer Syngenta announced on March 3, 2026 that they will cease global production of the herbicide product Gramoxone® (paraquat), a pivotal source of weed control in corn and soybean production, by June 30, 2026.
