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Biodynamic Sprays vs. Bacterial Canker on Cherry Trees?

Posts: 153
Location: Orgyen
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I live in western Oregon and I grow a large variety of fruit trees on my organic farm. I've had some real problems in recent years with bacterial canker (a.k.a. gummosis) on some of my cherry, apricot and peach trees. I'm currently developing a plan to improve the health of my trees with dry weather pruning, compost mulching, rock powders, earthworms and fava bean cover cropping. I donot wish to use copper or sulphate type sprays. Instead, I would also like to spray some biodynamic foliar sprays to strengthen the trees as part of my holistic plan, but I have very little experience with biodynamic preparations. I've done some research and it seems that cow manure based sprays such as CPP ("Cow Pat Pit"??!) are recommended. My question is: does anyone out there have any experience with biodynamic foliar sprays and their preparation? I'm especially interested in hearing from people who have used these foliar sprays on bacterial canker. Some simple recipes and tips would be greatly appreciated!
Posts: 98
Location: Eastern Colorado, USA
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I won't claim to be an expert on fruit trees.

But if they were treated badly before, and you're starting to do right things... be patient.

It takes a while for trees to recover. Maybe a couple of years.

Tree diseases are almost always a reaction to a problem in the soil. It can take many moons to fix soil. Don't expect immediate results.
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