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Anne from Narragansett Ri. writes

Treating for needlecast rust on Spruce trees and wanting to know if CuPRO 5000 DF Fungicide and Kocide 3000 the same product?

Have a beautiful Spruce tree that this Spring started showing brown needles. After looking on-line, it fit the description of needle cast rust. I have sprayed with Draconil a few times. Copper hydoxide seems to be the choice of treatment from what Iread. So that is my question.


Kocide 3000-O Fungicide/Bactericide has been discontinued by the manufacturer with CuPRO 5000 DF Fungicide being the recommended alternative product as both products contain the active ingredient Copper hydroxide. 

Answer last updated on: 08/05/2021

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