Friday, August 1, 2014

So you don't like counting aphids

Here is an overview of "Speed Scouting" for soybean aphid that was written in 2012. The information is helpful if you don't like counting aphids but still want to make an assessment of what is happening with aphids and whether treatment is economically justified.

Thursday, July 31, 2014

Soybean Aphid migration, colonization and infestations underway!

Soybean aphid migration is underway in NW Minnesota. Scouting indicates winged aphids are being found in fields. In some fields, the small infested hot spots (3-4 row feet of heavily infested plants) are more readily detected.

Scouting fields needs to begin in earnest to determine where your fields are in the process. The following link will take you to a refresher on aphid biology, scouting and treatment decision making.

http://www.extension.umn.edu/agriculture/soybean/pest/docs/soybean-aphid-scouting.pdf

More updates as this progresses . . .