Abstract
Field studies were conducted to evaluate potato (cv. Russet Burbank) injury and weed control with mid- or late-postemergence directed applications of bentazon at 0.56, 0.84, or 1.12 kg ha−1 + metribuzin at 0.28 kg ha−1 + petroleum oil concentrate (POC) at 2.3 L ha−1. Potato injury was 5% or less when bentazon + metribuzin + POC was applied as a postemergence directed spray. Hairy nightshade, redroot pigweed, and common lambsquarters control were excellent with all rates of the bentazon + metribuzin + POC mixture tested at either application time. In weed-free trials, neither U.S. No. 1 nor total tuber yield was reduced compared to the untreated control by any rate of the bentazon + metribuzin + POC mixture applied as a directed spray. Thus, postemergence directed applications of bentazon + metribuzin + POC show excellent potential for broadleaf weed control in Russet Burbank potatoes.
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Idaho Experiment Station Journal Series #94745.
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Eberlein, C.V., Guttieri, M.J. & Fletcher, F.E. Postemergence directed application of bentazon + metribuzin for broadleaf weed control in Russet Burbank potatoes. American Potato Journal 73, 135–141 (1996). https://doi.org/10.1007/BF02855964
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DOI: https://doi.org/10.1007/BF02855964