Cherry Crinkle-Leaf and Deep Suture Disorders

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Crinkle-leaf (bull trees, unproductive cherry, or male trees) and deep suture are are very important disorders of sweet cherry because they are so widespread and have such a damaging effect on vegetative growth and fruit yield. Both disorders have been reported throughout cherry producing regions of California, the Pacific Northwest, Utah, and British Columbia. Although there is no complete accounting of the economic impact associated with affected trees in California, these two disorders together probably cost sweet cherry fruit and nursery tree growers more money each year than any other disease or disorder.

Stephen M. Southwick
Jerry Uyemoto
University of California Agriculture and Natural Resources