Pacific Northwest 1998 An Online Guide to Plant Disease Control

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OSU Extension Office
 
Cherry -- Crinkle Leaf and Deep Suture
 
Cause: Believed to be of genetic origin. These disorders are bud propagated but not graft transmissible. Crinkle leaf, commonly found in the cultivars 'Bing' and 'Black Tartarian', will reduce yields. Severely affected fruit with either disease is not marketable.
Symptoms: Both diseases result in misshapen leaves. Those of crinkle affected trees are mottled, whereas leaves of deep suture affected limbs have a textured surface. Often, leaf margins are indented and serrated and blossoms are smaller and defective. In crinkle disease, the fruits are small, pointed, and often have a raised suture whereas the suture is severely indented in deep suture. These diseases may be only on a small branch or on almost all branches of a tree.

Notice the healthy leaf on the left next to two healthy fruit ('Bing'), all the other fruit and the leaf to the right have crinkle leaf disease.

Healthy Bing leaf on the left and the bottom row of cherries. The leaf on the right and and the top two rows of cherries have deep suture disease.

 
Cultural control: Cut out affected branches where they join the trunk; cut out affected branches and rework with nonaffected scion wood; or remove trees.
Content edited by: Jay W. Pscheidt on January 1, 2009
 
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