Performance Inquiry Guidelines

Corteva Agriscience™ encourages contact within the timelines listed for proper field assessments to resolve and rectify the call.

After these deadlines, it is difficult to determine the circumstances leading to non-performance.

	Days After Use
Seed	Within 21 days (after crop emergence)
Pre-emergent herbicides	Within 21 days (after crop emergence)
Post emergent herbicides	Within 21 days after treatment
Pre-seed herbicides	Within 21 days after treatment
Pre-harvest or post harvest	Within 21 days after seeding – the following spring
Fallow applications	Within 21 days after treatment
Fungicides	7 days after treatment
Insecticides	7 days after treatment

* Check Strips: while not essential, a check strip provides a good indication of product performance.