Tree Problems
Q.

Widespread black knot

Zone P3P 1M9 | angienutter added on May 3, 2016 | Answered

We have a large double lot with many trees and hedges. We have what I think is black knot. We have pruned what we can but there are too many tree involved. Help!

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 5, 2016

Are these fruit trees that are infected?

Black Knot is most commonly found in fruit trees such as plums and cherries and less commonly peach and apricots.

I would recommend having a qualified Arborist examine the trees and shrubs to determine the exact fungus or disease your dealing with.

Contact your local County Extension Office for a referral of a qualified professional.

Here is a link to help locate your closest office and some more information on Black Knot.

https://www.gardeningknowhow.com/extension-search

https://www.gardeningknowhow.com/edible/fruits/plum/black-knot-tree-disease.htm
http://nysipm.cornell.edu/factsheets/treefruit/diseases/bk/bk.asp

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