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The Effect of Trifluralin Applied Preplant on Grass Weed Control and Establishment and Yield of Barley (Hordeum vulgare)

Published online by Cambridge University Press:  12 June 2017

Julio A. Scursoni  and
Emilio H. Satorre
Julio A. Scursoni
Affiliation:
Cátedra de Cerealicultura, Facultad de Agronomía, Universidad de Buenos Aires. Av. San Martín 4453, (1417) Buenos Aires, Argentina
Emilio H. Satorre
Affiliation:
Cátedra de Cerealicultura, Facultad de Agronomía, Universidad de Buenos Aires. Av. San Martín 4453, (1417) Buenos Aires, Argentina
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Abstract

The objective of this paper was to evaluate the effect of preplant applications of trifluralin on barley stand and yield, and control of grass weeds in field experiments during 1992 and 1993. Factors examined were: (1) crop planting patterns (conventional drill with rows 15 cm apart and deep-seeder drill with rows 25 cm apart), (2) herbicide application times (22 d before sowing and immediately before sowing), and (3) herbicide application. During 1993, hand-weeded plots also were established. Trifluralin applied preplant at 528 g ai/ha reduced weed density and biomass. Weed control was higher under conventional planting than under the deep planting pattern, and there was no effect of the time of application on herbicide efficacy. There was no herbicide injury to the crop, and grain yield was higher in treated than in untreated plots due to successful weed control.

Keywords

Trifluralin, 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamineItalian rye grass, Lolium multiflorum Lam. # LOLMUwild oat, Avena fatua L. # AVEFAbarley, Hordeum vulgare L.Cereal crops managementAvena fatuaLolium multiflorumAVEFALOLMU
Type
Research
Information
Weed Technology , Volume 11 , Issue 3 , September 1997 , pp. 515 - 519
Copyright
Copyright © 1997 by the Weed Science Society of America 

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