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Alfalfa Weevil Activity Prediction Update: April 8, 2021
As the temperatures begin to warm up around South Dakota, it is important to remember that some insect pests are accumulating degree days. One of the insect pests that we use degree day models to monitor is the alfalfa weevil.
Alfalfa Weevil Activity Prediction Update: April 20, 2020
During the last week, the colder weather that we experienced across South Dakota resulted in very little degree day accumulation. However, in some areas enough degree days have accumulated to potentially lead to adult activity within alfalfa fields.
Alfalfa Weevil Activity Prediction Update: April 27, 2020
It is finally warming up across much of South Dakota and that means the degree days are beginning to accumulate more rapidly. Alfalfa weevil activity is likely in areas around Rapid City, Hot Springs, Cottonwood, Mission, Pierre, Winner and Vermillion.
Alfalfa Weevil Activity Prediction Update: May 4, 2020
Temperatures continue to increase across South Dakota and the degree days are rapidly accumulating. With the exception of areas around Selby, Sisseton and Brookings, alfalfa weevil activity is likely in South Dakota.
Alfalfa Weevil Activity Prediction Update: April 14, 2020
The alfalfa weevil is a major spring insect pest of South Dakota alfalfa. Before 2018, this insect was reported as having large populations throughout much of South Dakota. However, during 2018 and 2019, we received fewer reports of alfalfa weevils, which may have been a result of the cooler and wetter spring conditions that were observed.
Alfalfa Weevil Activity Prediction Update: April 15, 2021
Due to the cooler temperatures, we didn’t accumulate a lot of degree days for alfalfa weevils during the last week. However, there are some areas in South Dakota where alfalfa weevils may be active.
Best Management Practices for Reducing Dry Hay Storage Loss
When hay prices are high, proper storage is financially important. Learn some best management practices to reduce storage loss and ensure an adequate forage supply.
2020 Planting Decisions
Planting decisions for this spring are complicated given the recent spread of COVID-19. A very busy planting season is approaching quickly. Input suppliers and farmers will be met with a requirement to complete tasks timely to evade economic losses from delays.
Farm Practices That Improve Soil Health: Integrated Crop-Livestock Systems
An integrated crop-livestock system can provide an alternative management strategy that benefits producer’s income, soil health, and the environment—all while increasing production.
Watch for Pea Aphid Populations in Alfalfa
Recent reports have indicated that pea aphid populations are very large in some alfalfa fields and should continue to be monitored and possibly managed.