This guide provides tree fruit growers with the latest information on pesticides and herbicides for fruit trees. People who grow apples, pears and cherries can learn application rates and recommendations for each stage of tree growth.Published January 2020. A more recent revision exists. Facts and recommendations in this publication may no longer be valid. Please check for up-to-date titles in the OSU Extension Service Catalog: http://extension.oregonstate.edu/catalo