Articles tagged under: Jan Knodel

Soybean Aphid Numbers Continue to Increase

Published August 16, 2024

The soybean aphid population along the Red River Valley has increased exponentially in recent weeks.  "Soybean aphid populations have been increasing recently, mainly due to our moderate weather that has provided favorable reproduction conditions when we're in these moderate temperatures…
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Few Pest Problems

Published July 12, 2024

Insect pressure is generally low across the region. NDSU Extension Entomologist Janet Knodel credits the cool and wet weather that we had. That may change with this past week's hot temperatures. “Typically, most insects do better when it’s warmer because…
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Canola Minute

Published November 12, 2021

NDSU Extension Entomologist Jan Knodel has more details on a new seed treatment for canola. Hear more details in this week's Canola Minute.
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Canola Minute

Published September 13, 2021

Diamondback moth larvae were a problem in canola thi syear, even after multiple spray treatments. Learn more from NDSU Extension entomologist Jan Knodel in the Canola Minute, made possible by the Northern Canola Growers Association.
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Canola Minute

Published September 5, 2021

Diamondback moth larvae are still feeding on canola, even after multiple spray treatments. Learn more from NDSU Extension entomologist Jan Knodel in the Canola Minute, made possible by the Northern Canola Growers Association.
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Be Aware of Grasshopper Issues at Harvest

Published August 1, 2021

Grasshoppers continue to line small grain fields and, in some cases, are eating the crops. NDSU Extension Entomologist Jan Knodel says many farmers have already sprayed and it’s too close to harvest to apply more insecticides. "Just be aware of…
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Drought Lowers Risk of Wheat Midge Infestations

Published June 25, 2021

The dry weather and drought conditions decreased the risk of wheat midge infestations in spring wheat and durum. NDSU Extension Entomologist Jan Knodel says soil samples collected indicate a low levels of overwintering wheat midge larvae. Eighty-six percent of soils…
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Start Searching for Flea Beetles in Canola

Published May 24, 2021

As canola begins to emerge, NDSU Extension entomologist Jan Knodel says farmers should start scouting for flea beetles. "You need to act quickly if you need to get insecticide spray on. They're such a tiny beetle, but easy to identify,…
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Dry Weather Decreases the Risk for Wheat Midge

Published January 28, 2021

Due to dry conditions this past year, there has been a dramatic decline in the wheat midge population in North Dakota. Over 2,000 soil samples were collected this past fall. Eighty-six percent of those samples had zero wheat midge cocoons.…
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