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| My experience says spraying 2-4d pre-emerge results in twisted up corn as it emerges - maybe 1% to 10% of the plants depending on conditions/hybrid, and those become runts that have little or no ears come harvest time. This is with no-tilled high quality silty clay loam soils. I'm using 3 oz generic Callisto instead this year (it's cheap and effective). Last year just used generic roundup and had some marestail escape until the post pass with laudis & atz.
Yes, 24d pre-emerge is on label, yes, the plants will live, but I believe it hurts yield significantly. | |
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