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The main site of uptake of soil-applied 2-chloro-2′, 6′-diethyl-N-(methoxymethyl) acetanilide (alachlor) by yellow nutsedge (Cyperus esculentusL.) plants is the portion of the plant above the tuber. Primarily acropetal and some basipetal14C translocation occurred from14C-alachlor applications to seedlings with shoots 2 to 4 cm in length. Alachlor is metabolized rapidly in yellow nutsedge to at least one water-soluble metabolite. Applications of14C-alachlor to shoots 15 cm in length resulted in limited acropetal14C translocation.
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Armstrong et al. (1973) studied this question.
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