Mechanism for the differential translocation of amiben in plants |
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Authors: | Stoller E W |
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Institution: | Crops Research Division, Agricultural Research Service, United States Department of Agriculture, Department of Agronomy, University of Illinois, Urbana, Illinois 61801. |
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Abstract: | The proportion of the total plant radioactivity present in shoots at the end of a 24-hour exposure of the roots to 0.5 milligram per liter 14C-3-amino-2,5-dichlorobenzoic acid (14C-amiben) ranged from 1.4 to 74.3% in 13 species. When roots of 10-day-old wheat (Triticum aestivum L. em. Thell., Triumph) and 13-day-old barnyard grass (Echinochloa crusgalli L. Beauv.) plants were treated with 0.5 milligram per liter 14C-amiben for 12 or 24 hours, barnyard grass shoots contained at least eight times more of the total plant radioactivity than did wheat shoots. In similar experiments with 14C-2-chloro-4-(ethylamino)-6-(isopropylamine)-s-triazine (14C-atrazine), there were no differences in translocation between these two species. |
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