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Publication Type:
| Refereed |
Author(s): | Doub, J. Peyton;
Wilson, Henry P.;
Hatzios, Kriton |
Author Affiliation: | Eastern Shore Agric. Exp. Stn., Painter, VA and Plant Pathology, Physiol., and Weed Sci., Virginia Polytech. Inst. and State Univ., Blacksburg, VA. |
Title: | Comparative Efficacy of Two Formulations of Alachlor and Metolachlor |
Source: | Weed Science. Vol. 36, No. 2, March 1988, p. 221-226. |
Publishing Information: | Champaign, IL: Weed Science Society of America |
Keywords: | TIC Keywords: Formulations; Alachlor; Metolachlor; Digitaria sanguinalis; Echinochloa crusgalli; Panicum dichotomiflorum
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Abstract/Contents: | "The efficacies of microencapsulated (ME) and emulsifiable concentrate (EC) formulations of alachlor [2-chloro-N- (2,6-diethylphenyl)-N-(methoxymethyl) acetamide] and metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N- (2-methoxy-1-methylethyl) acetamide] were compared in petri dish and soil bioassays. At equimolar concentrations, EC-alachlor inhibited shoot growth of barnyardgrass [Echinocloa crus-galli (L.) Beauv. #3 ECHCG], large crabgrass [Digitaria sanguinalis (L.) Scot. # DIGSA], and fall panicum (Panicum dichotomiflorum Michx. # PANDI) more than ME-alachlor. ME- and EC-metolachlor caused similar effects on the three grass weeds tested. ME- and EC-alachlor in combination caused effects on barnyardgrass shoot growth intermediate to results with either formulation alone. Air-drying and remoistening of alachlor-treated filter paper or soil before sowing barnyardgrass or fall panicum caused greater shoot length and fresh weight reduction than ME-alachlor that was not dried." |
Language: | English |
References: | 16 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Doub, J. P., H. P. Wilson, and K. Hatzios. 1988. Comparative Efficacy of Two Formulations of Alachlor and Metolachlor. Weed Sci. 36(2):p. 221-226. |
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