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Dodder Control in Alfalfa with Dinoseb and D(-) (3-Chlorophenylcarbamoyloxy)-2N-Isopropylpropionamide

J. H. Dawson
Weed Science
Vol. 19, No. 5 (Sep., 1971), pp. 551-554
Stable URL: http://www.jstor.org/stable/4041699
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Dodder Control in Alfalfa with Dinoseb and D(-) (3-Chlorophenylcarbamoyloxy)-2N-Isopropylpropionamide
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Abstract

Field studies indicated that D(-) (3-chlorophenylcarbamoyloxy)-2N-isopropylpropionamide (RP-11755) at 3 lb/A controlled dodder (Cuscuta spp.) in alfalfa (Medicago sativa L.) as well as or better than the standard treatment, isopropyl m-chlorocarbanilate (chlorpropham) at 6 lb/A. Control from 2-sec-butyl-4,6-dinitrophenol (dinoseb) at 12 lb/A (amine or phenol form) sometimes was equal but never superior to that from chloropropham. Greenhouse studies indicated that vapors toxic to dodder seedlings evolved from soil treated with dinoseb (amine or phenol form) but not from soil treated with RP-11755.

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