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Wheat Streak Mosaic Developing in Winter Wheat Fields
A few winter wheat fields in central South Dakota have been found with wheat streak mosaic disease. Incidence of this disease varied from a few plants to large portions of the field with yellowing leaves.
It’s Time to Scout Alfalfa for Cutworms
One of the earliest insect pests that can be found in South Dakota’s alfalfa fields are army cutworms. Injury from cutworms can sometimes be overlooked until large patches of an alfalfa field have been “cut.”
A Ban or New Rules for Chlorpyifos May Be Coming Soon
Recently, a federal appeals court gave the U.S. Environmental Protection Agency a 60-day deadline to either ban insecticides containing chlorpyrifos or set new guidelines for its use.
Alfalfa Weevil Activity Prediction Update: May 6, 2021
The cooler temperatures the last few days probably slowed down alfalfa weevils again, but everyone should be scouting fields due to the possibility of alfalfa weevil activity.
Common Stalk Borer Activity Estimate: May 6, 2021
We are beginning to accumulate degree days a little faster for common stalk borers. Eggs will be hatching through much of the state, and we will continue to monitor activity as the season progresses.
Weed Control in No-Till Gardens
Mulch is the key to successful weed control in no-till gardening. It is best to start a no-till garden in the fall to give applied mulch the time to breakdown and suppress any weed growth.
Hot Days Ahead and the Need for Water
Hot summer days are still ahead, and we need to account for water. The amount of water a cow requires varies depending on a variety of factors, including environmental temperature, lactation status and weight.
Registration Open for Mineral Nutrition for the Beef Cow Herd
May 10, 2021
To date, the Mineral Nutrition for the Beef Cow Herd series has drawn participants from 79 operations, plus 22 industry and Extension personnel from South Dakota, North Dakota, Minnesota, Colorado and Illinois.
West Dakota Water Development District Looks To Improve Rapid Creek Water Quality Through Stormwater Mitigation and Erosion Control Projects
Two pilot projects initiated by the West Dakota Water Development District are intended to improve water quality in Rapid Creek by reducing suspended sediment loading over time.
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.