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Coles County, Illinois | Callisto is a pigment inhibitor. Triazines are photosynthesis inhibitors. They both offer residual and contact activity. In post applications atrazine has a synergistic effect with Callisto i.e. it makes Callisto more effective. I use crop oil in post applications @ .5 to 1% depending on humidity.
This year I did two applications 3 oz. Callisto with a group 15 and 1# Atrazine pre-emerge and another 3 oz. with 1/2# Atrazine and Crop Oil Post when corn was 10" tall. Seems to have worked well but haven't picked any corn yet to know for sure. | |
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Collisto
