An agronomist in northwest Missouri says consistent rains and cool nights have created a good environment for crop diseases and farmers should be actively scouting their fields.
Erin Marlow with Cropwise Consulting tells Brownfield tar spot has flourished in the corn.
“In the last 1.5 to 2 weeks, I can find tar spot in about 80% of the fields we walk into,” she says. “Even fields we sprayed 1 month or 5 to 6 weeks ago, we’re having to respray.