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The Fall Advantage of Kochia Control
Kochia is a problem in north central South Dakota row crops. New post-emergent options in corn and soybean have helped alleviate kochia competition from many fields, but these herbicide options shouldn’t be completely relied upon for a long-term control plan.
Fall Weed Control in Lawns
In lawns, fall is the best time to chemically control broadleaf perennial weeds. Examples of these weeds could include dandelions, Canada thistle, creeping bellflower, field bindweed and ground ivy.
Poisonous Plants on Rangelands: Hemlock, Halogeton and Buffalo Bur
Several species of poisonous plants are invasive and can easily establish dense stands when there is a disturbance on rangelands. Hemlocks, halogeton and buffalo bur can all be found throughout South Dakota and are toxic to livestock.
Use Caution With Turf Herbicide Applications During Extreme Heat and Drought
Dry conditions cause weeds to be under stress. This decreases herbicide effectiveness with annual, biannual and perennial plants. So, is there a safe option for weed control in yards during high temperatures and dry conditions?
Palmer Amaranth: Now Is the Time to Scout
South Dakota State University (SDSU) Extension encourages farmers, ranchers and other landowners to start scouting for Palmer amaranth, a weed that has been rapidly spreading north into the United States and is likely to be glyphosate-resistant.
Poisonous Plants on Rangelands: Larkspur and Poisonvetch
Larkspurs are the second leading cause for all livestock deaths from toxic plant poisoning. Poisonvetches are considered accumulator plants that uptake excessive levels of selenium and cause toxicity problems in cattle.
SDSU Extension to Offer Integrated Pest Management Field School Online
July 30, 2021
South Dakota State University Extension will kick off its 13th annual Integrated Pest Management (IPM) Field School Aug. 1.
Poisonous Plants on Rangelands: Locoweed and Crazyweed
Locoweed and crazyweed are found throughout South Dakota rangelands, and both can cause livestock poisoning.The names locoweed and crazyweed are often used interchangeably. However, there are notable differences between the species.
Poisonous Plants on Rangelands: Woody Species
Several woody plant species that are poisonous to livestock are found throughout South Dakota rangelands, including ponderosa pine, chokecherry, greasewood and broom snakeweed.
SDSU Extension to Tackle Weed, Pest and Drought Inquiries at State Fair
August 23, 2021
To address drought concerns, as well as weed and pest inquiries, South Dakota State University Extension will feature two booth locations at the 2021 South Dakota State Fair Sept. 2-6 in Huron.