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1 October 2002 Diclosulam Systems for Weed Management in Peanut (Arachis hypogaea L.)
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Abstract

Abstract: Field studies were conducted at Lewiston and Rocky Mount, NC, in 1996 and 1997 to evaluate weed control and peanut response to preplant incorporated (PPI) treatments of diclosulam alone and in systems with postemergence (POST) commercial standard herbicides. All plots received ethalfluralin PPI at 840 g ai/ha. In both years, ethalfluralin plus diclosulam PPI at 17 or 26 g ai/ha followed by (fb) acifluorfen plus bentazon POST, paraquat plus bentazon POST, or imazapic POST controlled common lambsquarters, ivyleaf morningglory, pitted morningglory, prickly sida, smooth pigweed, spurred anoda, and yellow nutsedge in a manner similar to or better than did the commercial standards of ethalfluralin PPI fb metolachlor preemergence (PRE) fb acifluorfen plus bentazon or ethalfluralin PPI fb acifluorfen plus bentazon POST. Yield from peanut treated with diclosulam systems that included POST herbicides was equivalent to or higher than that from peanut treated with ethalfluralin PPI fb metolachlor PRE fb acifluorfen plus bentazon POST or ethalfluralin PPI fb acifluorfen plus bentazon POST. Peanut exhibited excellent tolerance to diclosulam PPI at all rates.

Nomenclature: Acifluorfen; bentazon; diclosulam; ethalfluralin; imazapic; metolachlor; paraquat; common lambsquarters, Chenopodium album L. #3 CHEAL; ivyleaf morningglory, Ipomoea hederacea (L.) Jacq. # IPOHE; pitted morningglory, Ipomoea lacunosa L. # IPOLA; prickly sida, Sida spinosa L. # SIDSP; smooth pigweed, Amaranthus hybridus L. # AMACH; spurred anoda, Anoda cristata (L.) Schlecht. # ANVCR; yellow nutsedge, Cyperus esculentus L. # CYPES; peanut, Arachis hypogaea L. ‘NC 7’, ‘NC 10C’.

Additional index words: Herbicide injury.

Abbreviations: fb, followed by; POST, postemergence; PPI, preplant incorporated; PRE, preemergence.

William A. Bailey and John W. Wilcut "Diclosulam Systems for Weed Management in Peanut (Arachis hypogaea L.) 1," Weed Technology 16(4), (1 October 2002). https://doi.org/10.1614/0890-037X(2002)016[0807:DSFWMI]2.0.CO;2
Published: 1 October 2002
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