Published May 1941. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Subject:Blackberries -- Diseases and pests -- Oregon Blackberries -- Diseases and pests -- Control -- Oregon Mycosphaerella leaf blotch disease -- Oregon Mycosphaerella leaf blotch disease -- Control -- Oregon
