FRAC statement on the importance of multisite fungicides for resistance management available for download
Multisite fungicides (see FRAC Group M) are widely used in spray
programs, especially in crops with multiple sprays such as fruits and
vegetables, or certain arable crops.
This statement (link)
explains the use of multisite fungicides in resistance management as
mixing partners or in alternation with single site and other medium to
high resistance risk fungicides.