Olive Trees
Q.

How to get rid of Olive Knot

Zone Perugia Italy | Yves Sylvestre added on February 27, 2019 | Answered

Some of my olive trees have the classical galls on some of the branches. In some cases the branches are totally dead (terrible i missed them). Using disinfected pruning shears i have removed the infected branches (the rest of the trees remain strong though there are some galls on the main trunk). I have then sprayed all the cuts with Copper Sulfate. Is there anything else i should do to prevent the disease from spreading

A.
A.Answers to this queston: Add Answer
drtreelove
Answered on February 27, 2019

It sounds like you have done the right things. If mine I would spray the entire tree, foliar canopy and woody stems, now and a month later with a biological fungicide-bactericide. I'm not sure what is available in Italy, but in the US I use this:

http://certisusa.com/pest_management_products/biofungicides/doublenickel_LC_fungicide.htm

https://www.domyown.com/monterey-complete-disease-control-readytouse-p-17485.html

http://ipm.ucanr.edu/PMG/r583100411.html

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