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I sprayed captan on my apples last night;
they are in full bloom. But, I was low on captan, so I mixed it at about 50%
the label rate. Then, I used sulfur when I ran out. This caused a few
questions to pop into my mind. What would happen if I used the standard “home
orchard spray” at 50% of the recommended strength? In other words, if I
assume I’d get near 100% control using it per the label instructions,
would I expect to get 0% control at 50% strength? Would there be any
difference for fungicides vs insecticides? I’m wondering if anyone has
ever evaluated this. I’m a trusting person, but on the other hand, I
have no reason to trust that the label application rates are at the minimum
acceptable level. Also, is there any harm in mixing captan
and sulfur? I rinsed my sprayer when I switched from captan to sulfur, but the
trees are close together and there were some branches that got some of both. Mark |
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