Resistance of kochia (Kochia scoparia) to sulfonylurea and imidazolinone herbicides

A biotype of kochia resistant to chlorsulfuron has been isolated from a Kansas wheat field that had been treated with chlorsulfuron for five consecutive years. In greenhouse tests, the biotype also was resistant to both preemergence and postemergence herbicides with the same mode of action including...

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Veröffentlicht in:	Weed technology 1990-01, Vol.4 (1), p.169-172
Hauptverfasser:	Primiani, M.M. (E.I. du Pont de Nemours and Co., Inc., Wilmington, DE), Cotterman, J.C, Saari, L.L
Format:	Artikel
Sprache:	eng
Schlagworte:	ATRAZINE BIOTIPOS BIOTYPE BIOTYPES Branched chain amino acids BROMOXYNIL CGA-131036 CHEMICAL CONTROL CHEMICAL RESISTANCE CHENOPODIACEAE CHLORSULFURON CONTROL QUIMICO DIURON DPX-L5300 DPX-M6316 Esters Greenhouses HERBICIDAS HERBICIDE Herbicide resistance HERBICIDES IMAZAPYR LUTTE CHIMIQUE MALEZAS MAUVAISE HERBE MCPA METSULFURON Mode of action Musical intervals Pesticidal action RESISTANCE AUX PRODUITS CHIMIQUES RESISTENCIA QUIMICA Seeds Soil organic matter SULFAMIDE SULFOMETURON SULFONAMIDAS SULPHONAMIDES Symposium Herbicide Resistance WEEDS
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Beschreibung
Zusammenfassung:	A biotype of kochia resistant to chlorsulfuron has been isolated from a Kansas wheat field that had been treated with chlorsulfuron for five consecutive years. In greenhouse tests, the biotype also was resistant to both preemergence and postemergence herbicides with the same mode of action including imazapyr, CGA-131036, the methyl ester of metsulfuron, DPX-M6316, DPX-L5300, and the methyl ester of sulfometuron. The degree of cross resistance varied among the herbicides tested. Herbicides with different modes of action, including atrazine, bromoxynil, MCPA, and diuron, effectively controlled the resistant biotype in the greenhouse.
ISSN:	0890-037X 1550-2740
DOI:	10.1017/S0890037X00025185