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Central SD | I've been out scouting my WW. It has just headed. I am finding some rust pustules on lower leaves - 1 or 2 specks bright orange. It is not on every leaf (actually have to look very hard to find it) and the flag leaf is totally clean. Should I treat the WW? Harvest is 6 weeks away. Have been pleasantly wet here all spring. Has been cool until today (80 degrees and 50% humidity-chance rain tonight). WW looks good and not afraid to try to protect it if I need to. How fast can rust spread? | |
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Rust in Winter Wheat?
