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Nitrogen carrier and surfactant increase foliar herbicide injury in winter wheat (Triticum aestivum)

Stahlman, P.W ; Currie, R.S ; El-Hamid, M.A

Weed technology, 1997-01, Vol.11 (1), p.7-12 [Periódico revisado por pares]

Lawrence, KS: Weed Science Society of America

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Título:
Nitrogen carrier and surfactant increase foliar herbicide injury in winter wheat (Triticum aestivum)
Autor: Stahlman, P.W ; Currie, R.S ; El-Hamid, M.A
Assuntos: 2,4-D ; ABIOTIC INJURIES ; AMMONIUM NITRATE ; Biological and medical sciences ; Chemical control ; COMBINACIONES DE ABONOS ; CROP LOSSES ; CROP YIELD ; Crops ; ENGRAIS COMBINE ; FERTILIZER COMBINATIONS ; Fertilizers ; FEUILLE ; FITOTOXICIDAD ; FOLIAGE ; Fundamental and applied biological sciences. Psychology ; GRAIN ; Grains ; GRANOS ; HERBICIDAS ; HERBICIDE ; HERBICIDE MIXTURES ; HERBICIDES ; HOJAS ; KANSAS ; LEAVES ; NITRATE D'AMMONIUM ; Nitrates ; NITRATO DE AMONIO ; Nitrogen ; Nitrogen fertilizers ; NONIONIC SURFACTANTS ; Parasitic plants. Weeds ; PERDIDAS DE LA COSECHA ; PERTE DE RECOLTE ; Phytopathology. Animal pests. Plant and forest protection ; PHYTOTOXICITE ; PHYTOTOXICITY ; RENDEMENT DES CULTURES ; RENDIMIENTO DE CULTIVOS ; Sorghum ; SURFACE ACTIVE AGENTS ; SURFACTANT ; SURFACTANTES ; Surfactants ; TRIASULFURON ; TRITICUM AESTIVUM ; UREA ; UREE ; Weeds ; Wheat
É parte de: Weed technology, 1997-01, Vol.11 (1), p.7-12
Notas: H50
9736796
F04
Descrição: A three-year field study in west-central Kansas investigated the effects of combinations of spray carrier, nonionic surfactant (NIS), triasulfuron, and/or 2,4-D on winter wheat foliar injury and grain yield. Herbicides applied in water without NIS caused little or no foliar injury in two of three years. Urea-ammonium nitrate (UAN) at 112 L/ha (40 kg N/ha) alone or as a carrier for herbicides caused moderate to severe foliar injury in all three years. Adding NIS to UAN spray solutions increased foliar injury, especially with the tank mixture of triasulfuron + 2,4-D. Effects of triasulfuron + NIS or 2,4-D applied in UAN were additive. Foliar injury was related inversely to temperature following application. Foliar injury was most evident 4 to 7 d after application and disappeared within 2 to 3 wk. Diluting UAN 50% with water lessened foliar injury in two of three years, especially in the presence of NIS, regardless of whether herbicides were in the spray solution. Treatments did not reduce wheat grain yield in any year despite estimates of up to 53% foliar injury one year.
Editor: Lawrence, KS: Weed Science Society of America
Idioma: Inglês

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Nitrogen carrier and surfactant increase foliar herbicide injury in winter wheat (Triticum aestivum)

Stahlman, P.W ; Currie, R.S ; El-Hamid, M.A

Lawrence, KS: Weed Science Society of America

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