Author:
Hicks T. Vint,Wehtje Glenn R.,Grey Timothy L.
Abstract
Tank-mixed combinations of pyridate and 2,4-DB were synergistic with respect to sicklepod control and independent with respect to Florida beggarweed control and peanut tolerance in greenhouse studies. Leaf absorption of14C-pyridate was generally enhanced by the addition of 2,4-DB. Translocation of14C-pyridate out of the treated leaf did exceed 21% of the amount absorbed across all species, and14C-pyridate was not affected by the addition of 2,4-DB. Sensitivity of peanut, Florida beggarweed, and sicklepod to pyridate was independent of both adsorption and translocation. Metabolic detoxification of pyridate into a benign metabolite was highest in the tolerant peanut, lowest in highly susceptible Florida beggarweed, and intermediate in slightly susceptible sicklepod. Absorption of14C-2,4-DB by peanut was increased by approximately 10% with the addition of pyridate. No such increase was observed in either Florida beggarweed or sicklepod. Translocation of14C-2,4-DB out of the treated leaf was not affected by the addition of pyridate in any of the three species evaluated.
Publisher
Cambridge University Press (CUP)
Subject
Plant Science,Agronomy and Crop Science
Cited by
15 articles.
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