Title: Plant Diseases: Black Knot of Plum and Cherry
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Plant Diseases: Black Knot of Plum and Cherry

Publish Date: December 04 2024 |    Pub Number: SP277X |    Language: English

Publish Date: December 04 2024

Pub Number: SP277X

Language: English

Author(s): Elizabeth A Long
Contact your County Extension Office to learn more
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Abstract

Black knot is a common disease in plum, prune, and cherry plants, causing swelling of twigs and elongated, hard knots on older limbs. Caused by the fungus Apiosporina morbosa, infection occurs through wounds or unwounded twigs, leading to new infections.