mddorogi at comcast.net
Tue May 6 21:27:45 EDT 2008
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.
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