eUpdate Articles Tagged: degree days

Monitor alfalfa weevils using degree days and scouting

Alfalfa weevil activity began early this year in Oklahoma and it appears that degree day accumulation for alfalfa weevils is well ahead of normal for most areas in Kansas. Alfalfa weevil degree days are a great way to estimate insect activity in the field and serve as a useful tool to know when to time scouting. Learn more in this article.

alfalfa alfalfa weevils degree days 

Corn rootworm egg hatch has begun in Kansas

Western corn rootworm resistance to Bt corn continues to be an issue in continuous corn in the United States. Evaluating corn roots for rootworm damage during the growing season is highly recommended. Eggs should begin hatching after approximately 380-degree days have accumulated. Learn more in this article.

insects corn corn rootworm degree days