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1 March 2016 Halosulfuron Tank-Mixes Applied PRE in White Bean
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Abstract

White bean tolerance and weed control were examined by applying halosulfuron alone or in combination with pendimethalin, dimethenamid-P, or S-metolachlor applied PRE. All herbicides applied alone or in combination caused less than 3% visible injury 1 and 4 wk after emergence (WAE). Halosulfuron applied PRE provided greater than 95% control of common lambsquarters, wild mustard, redroot pigweed, and common ragweed and less than 55% control of green foxtail at 4 and 8 WAE. Weed density and dry weight at 8 WAE paralleled the control ratings. Dry bean yields in halosulfuron plus a soil applied grass herbicide did not differ compared to the weed-free control. Green foxtail competition with halosulfuron PRE applied alone resulted in reduced white bean yield compared to the weed-free control.

Nomenclature: Dimethenamid-P; halosulfuron; pendimethalin; S-metolachlor; common lambsquarters, Chenopodium album L.; common ragweed, Ambrosia artemisiifolia L.; green foxtail, Setaria viridis (L.) Beauv.; redroot pigweed, Amaranthus retroflexus L.; wild mustard, Sinapis arvensis L.; white bean, Phaseolus vulgaris L.

La tolerancia del frijol blanco y el control de malezas fueron examinados para aplicaciones PRE de halosulfuron solo o en combinación con pendimethalin, dimethenamid-P, o S-metolachlor. Todos los herbicidas aplicados solos o en combinación causaron menos de 3% de daño visible, a 1 y 4 semanas después de la emergencia (WAE). Halosulfuron aplicado PRE brindó un control mayor a 95% de Chenopodium album, Sinapis arvensis, Amaranthus retroflexus, y Ambrosia trifida, y menor a 55% para el control de Setaria viridis, a 4 y 8 WAE. Las reducciones en la densidad y peso seco de las malezas a 8 WAE fueron proporcionales a las evaluaciones de control. Los rendimientos del frijol blanco con combinaciones de halosulfuron más otro herbicida no fueron diferentes al compararse con el testigo libre de malezas. La competencia causada por S. viridis en parcelas con halosulfuron PRE aplicado solo resultó en reducciones en el rendimiento del frijol blanco al compararse con el testigo libre de malezas.

Zhenyi Li, Rene C. Van Acker, Darren E. Robinson, Nader Soltani, and Peter H. Sikkema "Halosulfuron Tank-Mixes Applied PRE in White Bean," Weed Technology 30(1), 57-66, (1 March 2016). https://doi.org/10.1614/WT-D-15-00084.1
Received: 7 June 2015; Accepted: 1 September 2015; Published: 1 March 2016
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