Abstract
Equimolar concentrations of 4-phenylsulfonyltrifluoromethanesulfono-o-toluidide (hereafter referred to as MBR-8251),S-ethyl dipropylthiocarbamate (EPTC), and 2-chloro-2′,6′-diethyl-N-(methoxymethyl)acetanilide (alachlor) were compared using a quartz gravel nutrient culture method for detecting toxicity to yellow nutsedge (Cyperus esculentusL.), okra (Hibiscus esculentusL.), cabbage (Brassica oleraciavar.captataL.), cucumber (Cucumis sativusL.), and flax (Linum ustitatissimumL.). MBR-8251 was more active on yellow nutsedge than EPTC or alachlor, and MBR-8251 treated nutlets were controlled for a longer period. In general, crops were more tolerant of MBR-8251. Field studies comparing the effectiveness of MBR-8251 to EPTC,S-propyl dipropylthiocarbamate (vernolate), 2-chloro-4-(ethylamino)-6-isopropylamino-s-triazine (atrazine), 3-isopropyl-2,1,3-benzothiazinone-(4)-2,2-dioxide-6,7,8 (BAS-3510), alachlor, and 2-chloro-N-(ethoxymethyl)-6′-ethyl-o-acetotoluidide (MON-097) indicated that after 10 weeks yellow nutsedge control was excellent with MBR-8251, MON-097, and alachlor.
Publisher
Cambridge University Press (CUP)
Subject
Plant Science,Agronomy and Crop Science
Reference3 articles.
1. Morphology and photoperiodic responses of yellow nutsedge;Jansen;Weed Sci.,1971
2. Seasonal Variation in Sprouting and Available Carbohydrate in Yellow Nutsedge Tubers
3. Useful techniques for the study and evaluation of herbicides in nutrient solution;Gentner;Proc. Northeast Weed Contr. Conf.,1967
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