I purchased and sprayed this liquid copper to head off the expected bloom of "Brown Rot" on my peaches, because Captan is no longer available. It didn't work. (I had previously sprayed with Captan, a couple times, 2-3 weeks earlier.). Its failure may be due to the fact that total tree coverage, including the underside of the leaves, with any spray, isn't really possibly. The Brown Rot spores are everywhere, including in the ground because of rotted fruit falling on the ground. I sprayed everywhere, including the turf in the area around the trees, as best I could, but it obviously wasn't good enough.
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