Evaluation of Flumioxazin and S-metolachlor Rate and Timing for Palmer Amaranth (Amaranthus palmeri) Control in Sweetpotato
作者： Stephen L. Meyers , Katherine M. Jennings , Jonathan R. Schultheis , David W. Monks
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摘要: Abstract Studies were conducted in 2007 and 2008 to determine the effect of flumioxazin S-metolachlor on Palmer amaranth control ‘Beauregard’ ‘Covington’ sweetpotato. Flumioxazin at 0, 91, or 109 g ai ha−1 was applied pretransplant 2 d before transplanting alone followed by (fb) 0.8, 1.1, 1.3 kg ai ha−1 PRE immediately after 2 wk (WAP). fb provided greater than 90% season-long control. 80 93% 92 96% 2008, respectively. 2 WAP but variable (38 79%) 2008. did not provide acceptable Control similar for all rates (0.8, 1.3 kg ha−1). In observed wi...
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