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.
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.
Organic herbicides are becoming more common on the market due to the perception that these products as safer towards humans, pets, and the environment. For those interested in these products, there are several factors to consider.
The optimal application window for preemergence herbicides to manage crabgrass in turf is normally during April, and earlier in the month during warmer years.
