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Mefenpyr-diethyl action on fenoxaprop-p-ethyl detoxification in wheat varieties 87
Cataneo,A.C.; Ferreira,L.C.; Mischan,M.M.; Velini,E.D.; Corniani,N.; Cerdeira,A.L..
Safeners protect crops against herbicide injury. The aim of this study was to examine the differential susceptibility of five wheat (Triticum aestivum) varieties to the herbicide fenoxaprop-p-ethyl, as well as the performance of mefenpyr-diethyl on minimizing herbicide injury and on lipid contents. Varieties BRS 49, CD 104, CEP 24, IAPAR 78 and Rubi were sprayed with fenoxaprop-p-ethyl (69 g ha¹), fenoxaprop-p-ethyl + mefenpyr-diethyl (69 g + 18.75 g ha-1), or mefenpyr-diethyl (18.75 g ha-1). Plants were evaluated visually for injury at 7 and 14 days after treatment (DAT). Glutathione S-transferase (GST) activity was assayed in aerial parts at 7 DAT, and lipid content was measured at 14 DAT. Varieties CEP 24, IAPAR 78 and Rubi were more tolerant to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Safener; Triticum aestivum; Selectivity; Glutathione S-transferase; Lipid content.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582013000200016
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