Plum tree

Question

My plum tree for two years running has clear fluid/glue-like knots on the branches. What is it?

Answer 1

There can be a few diseases or reasons for oozing sap from Plum Trees. some more serious then others.
The links below will help you pinpoint the cause and treatment.

https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-is-bleeding-sap.htm
https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-diseases.htm
https://www.gardeningknowhow.com/edible/fruits/plum/treating-plum-pocket-disease.htm