Measuring the Photostability of Agrochemicals on Leaves: Understanding the Balance between Loss Processes and Foliar Uptake.

The method presented provides a quick and simple measure of the interplay between abiotic loss processes and foliar uptake, supplying additional information to facilitate the interpretation of biological efficacy data. The comparison of loss between glass slides and leaves also provides a better understanding of when intrinsic photodegradation is likely to be a good model for a compound's behavior under field conditions.