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SD 4-H team wins national land and range judging contest
May 29, 2024
The Haakon/Bennett County 4-H range judging team won first place at the 2024 National Land and Range Judging Contest held from April 30 to May 2, 2024, in El Reno, Oklahoma. Team members include Bennett County’s Emily Zickrick and Haakon County’s Colden Kramer, Ashley Schriever and Tara Schofield.
Alfalfa Weevil Activity Prediction Update: May 29, 2024
Most alfalfa weevil larvae that were observed this week were between the first and second instar, but it is likely that later instars are present in southern counties.
Seedcorn Maggot Degree Day Activity Estimates: May 29, 2024
Many of the northern counties are approaching enough degree days for a peak second-generation seedcorn maggot emergence to occur.
Monitor for Seedcorn Maggots in Wet Planted Fields
Current spring conditions, including wet soil and cool temperatures, could result in seedcorn maggot issues in South Dakota.
Critical Period of Weed Control: A good, but not perfect guideline
The critical period of weed control is the period during a crop lifecycle when weeds need to be managed to avoid a significant yield loss.
Monitor Alfalfa for Pea Aphid Activity
Pea aphids can cause yield reductions to alfalfa when large populations are present. Prolonged feeding by these populations can even cause the alfalfa fields to take on a “golden” color.
Don’t Forget to Scout Canola for Flea Beetles
Canola emergence is well underway and ahead of emergence at this time in 2023. There are three species of flea beetles that commonly infest canola and feed on the leaves.
Leafy Spurge or an Imposter?
Leafy spurge is a statewide noxious weed that can be difficult to manage. However, are the recent yellow flowers appearing throughout South Dakota landscapes leafy spurge or another species?
2023 On-Farm Experiences Growing Cucurbits in Newly Established Clover Living Mulch in Eastern South Dakota
Research report determining the impact of two established clover species on weed suppression, crop growth, and yield of squash.
Tan Spot of Wheat
Tan spot is a devastating disease of wheat in South Dakota and the rest of the wheat producing regions world over. It causes an estimated yield loss of about 5 percent in South Dakota but this loss can go up to 30 percent in individual fields.