Q.What is the black knot disease on every limb?
What is the black knot disease on every limb? It is on every branch of the plum tree. It’s on the green limbs also. Part of the tree is dead in one section.
Downtoearthdigs
Answered on April 13, 2015
Treatment for Black Knot is a combination of fungicides and pruning.
This is an excellent article to help you with this process.
https://www.gardeningknowhow.com/edible/fruits/plum/black-knot-tree-disease.htm
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