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Black Knot of Plums

Author
Wilcox, Wayne F.
Abstract
Black knot is a common and often serious disease of plum and prune trees in New York. Once established, the disease becomes progressively more severe each year unless control measures are taken. Infected limbs and twigs lose vigor and may eventually die, and commercial plantings in which the disease becomes widespread are seldom economically viable to maintain. Black knot is occasionally found on cherries, peaches, and apricots but is seldom a problem on these trees.
Description
NYS IPM Type: Fruits IPM Fact Sheet
Date Issued
1992Publisher
New York State IPM Program
Subject
Agricultural IPM; Fruits; Tree Fruit; Plums
Previously Published As
retrieved from: http://nysipm.cornell.edu/factsheets/treefruit/diseases/bk/bk.pdf
Type
fact sheet