Author:
Peter C. John,Weber Jerome B.
Abstract
Significantly higher rates of butralin [4-(1,1-dimethylethyl)-N-(1-methylpropyl)-2,6-dinitrobenzenamine] were required to produce the same level of weed control as trifluralin [2,6-dinitro -N,N-dipropyl-4-(trifluoromethyl) benzenamine] when applied to soybeans [Glycine max(L.) Merr.] on seven different soils in the field. Higher rates of butralin were also required to control barnyardgrass [Echinochloa crus-galli(L.) Beauv. ♯ ECHCG] in growth chamber studies. No differences in the extent of soil adsorption of trifluralin and butralin were apparent; therefore, differences in efficacy could not be attributed to differences in soil adsorption. Herbicide rates required for 80% weed control and Freundlich K-values (adsorption capacity indices) were mostly highly correlated with soil organic-matter content and soil surface area as measured by benzyl ethyl ether (BEE) and ethylene glycol monoethyl ether (EGME) on nine soils. Analysis of the organic-matter content of the nine soils by 10 soil testing laboratories resulted in highly significant differences among laboratories.
Publisher
Cambridge University Press (CUP)
Subject
Plant Science,Agronomy and Crop Science
Reference33 articles.
1. Soil test and herbicide rate recommendations for metolachlor and alachlor in agronomic and horticultural crops;Weber;Proc. South. Weed Sci. Soc.,1981
2. Weber J. B. 1978. History, comparative properties and behavior of trifluralin and other dinitroaniline herbicides. Pages 132–139 in Proc. Beltwide Cotton Prod. Res. Conf., Nat. Cotton Counc., Memphis, TN.
3. The Comparative Toxicities of Four Phenylurea Herbicides in Several Soil Types
4. Adsorption, Mobility, and Efficacy of Metribuzin as Influenced by Soil Properties
5. Volatility of eleven dinitroaniline herbicides;Parochetti;Weed Sci.,1975
Cited by
35 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献