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Watch Closely for Weed Emergence
Cool, dry conditions have slowed weed emergence and growth, but dry conditions also have limited the activation of preemergent chemicals. Given this scenario, fields need to be scouted closely to ensure that weeds do not get away.
Alfalfa Weevil Activity Prediction Update: May 20, 2021
This week we accumulated degree days for alfalfa weevils at a rapid rate. As a result, we observed many areas of the state potentially move through more than one larval life stage.
Common Stalk Borer Activity Estimate: May 20, 2021
Warmer weather is finally here. Although we have accumulated quite a few degree days for common stalk borers, nowhere in the state has reached accumulation levels for common stalk borer caterpillar movement into corn fields.
Cabbage White Butterflies Are Here!
Keep an eye out for cabbage white butterflies in your garden. These butterflies lay eggs on the underside of the vegetable leaves. Once the eggs hatch, their caterpillars feed on cabbage, broccoli, Brussel sprouts, cauliflower, kale, turnips and radishes.
Seedcorn Maggot Degree Day Activity Estimates: May 20, 2021
Seedcorn maggots can be an early-season pest of corn and soybean in South Dakota, typically affecting crops that are emerging or have recently emerged. Seedcorn maggots can cause direct loss by destroying planted seeds.
Wireworms in the Garden
With warming soil temperatures, overwintering wireworms have become active throughout South Dakota. Wireworms are soil-dwelling insects that can be pests of germinating seeds, seedlings and root crops.
2020 Plant Disease Summaries for Small Grains
A number of field trials were implemented in the 2020 growing season with the general objective of assessing various disease management practices suitable for South Dakota growers and the Great Plains.
How Do I Keep Insects From Destroying My Garden Produce?
It is not unusual to see insects in a garden during the fall, but it can be frustrating to watch nearly ripe produce be destroyed by insects before it can be picked.
Sioux Falls to Host Emerald Ash Borer Tree Injection Workshop
April 21, 2021
As the season for emerald ash borer treatments nears in South Dakota, state forestry experts want applicators in the Sioux Falls area to be prepared.
Alfalfa Weevil Activity Prediction Update: April 22, 2021
It was another cool week without a lot of degree day accumulations. With warmer temperatures in the upcoming forecast, the need to scout for alfalfa weevil activity will increase.