1. Does anyone have experimental data, observations, or at least an
interesting theory, for the mechanism by which Indar and Inspire Super
are more effective the first generation DMIs against apple scab?
Our spray guide assigns Indar the same rating as a protectant
(Fair) and same
I'll respond with some observations and opinions, but I'm not certain
that anyone has definitive answers to the questions that you have
posed. Mechanisms that contribute to differing activities for DMI
fungicides most likely involve complex interactions among all of the
following factors:
