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Effect of genotype and farming system on concentration of mineral elements in organically and conventionally grown cereals

Legzdina, L., State Priekuli Plant Breeding Inst., Priekuli, Priekuli parish, Priekuli Municipality (Latvia) ; Strazdina, V., State Stende Cereals Breeding Inst., Dizstende, Libagi parish, Talsi Municipality (Latvia) ; Beinarovica, I., State Priekuli Plant Breeding Inst., Priekuli, Priekuli parish, Priekuli Municipality (Latvia) ; Muceniece, R., University of Latvia, Riga (Latvia). Faculty of Medicine

Proceedings of the Latvian Academy of Sciences. Section B, Natural Sciences, 2014-12, Vol.68 (3-4) [Periódico revisado por pares]

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Título:
Effect of genotype and farming system on concentration of mineral elements in organically and conventionally grown cereals
Autor: Legzdina, L., State Priekuli Plant Breeding Inst., Priekuli, Priekuli parish, Priekuli Municipality (Latvia) ; Strazdina, V., State Stende Cereals Breeding Inst., Dizstende, Libagi parish, Talsi Municipality (Latvia) ; Beinarovica, I., State Priekuli Plant Breeding Inst., Priekuli, Priekuli parish, Priekuli Municipality (Latvia) ; Muceniece, R., University of Latvia, Riga (Latvia). Faculty of Medicine
Assuntos: AGRICULTURA ORGANICA ; AGRICULTURE BIOLOGIQUE ; ANALISIS DE LA VARIANZA ; ANALYSE DE VARIANCE ; ANALYSIS OF VARIANCE ; ATOMIC ABSORPTION SPECTROMETRY ; BLE D'HIVER ; CINC ; CONTENIDO MINERAL ; CONTENIDO PROTEICO ; CONVENTIONAL FARMING ; CROP YIELD ; CULTIVOS DE PRIMAVERA ; CULTURE DE PRINTEMPS ; ESPECTROMETRIA DE ABSORCION ATOMICA ; EXPERIMENTACION EN CAMPO ; EXPERIMENTATION AU CHAMP ; FARMING SYSTEMS ; FER ; FIELD EXPERIMENTATION ; GENOTIPOS ; GENOTYPE ; GENOTYPES ; GRAIN ; GRANOS ; HIERRO ; HORDEUM VULGARE ; IRON ; LATVIA ; LETONIA ; LETTONIE ; MANGANESE ; MANGANESO ; MINERAL CONTENT ; ORGANIC AGRICULTURE ; PROTEIN CONTENT ; RENDEMENT DES CULTURES ; RENDIMIENTO DE CULTIVOS ; SISTEMAS DE EXPLOTACION ; SPECTROMETRIE D'ABSORPTION ATOMIQUE ; SPRING CROPS ; SYSTEME D'EXPLOITATION AGRICOLE ; TENEUR EN ELEMENTS MINERAUX ; TENEUR EN PROTEINES ; TRIGO DE INVIERNO ; WINTER WHEAT ; ZINC
É parte de: Proceedings of the Latvian Academy of Sciences. Section B, Natural Sciences, 2014-12, Vol.68 (3-4)
Notas: http://dx.doi.org/10.2478/prolas-2014-0017
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http://www.degruyter.com/view/j/prolas.2014.68.issue-3-4/prolas-2014-0017/prolas-2014-0017.xml
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Descrição: About half of the human population suffers from deficiency of mineral elements, mostly iron (Fe) and zinc (Zn). The purpose of the research was to compare the concentration of Fe and Zn in grain of 19 spring barley (in Hordeum vulgare L.) genotypes and the concentration of Zn and manganese (Mn) in grain of 19 winter wheat (Triticum aestivum L.) genotypes grown in organic and conventional management systems during two growing seasons. The average concentration of Fe in barley ranged from 32.51–86.85 mg•kgE-1 and was higher under conventional management (p is less than 0.001); the effect of genotype was significant (p = 0.014). The average concentration of Zn in barley ranged 16.79–48.51 mg•kgE-1 and was significantly higher under the organic system (p is less than 0.001); in wheat it was 21.52–29.89 mg•kgE-1 with no difference between the management systems; the effect of genotype was significant (p = 0.03 and p is less than 0.001 for barley and wheat, respectively). The average concentration of Mn in wheat ranged from 24.63–36.07 mg•kgE-1 and was higher under the conventional system (p is less than 0.001); significant differences between genotypes were observed (p is less than 0.001). Barley and wheat genotypes with higher concentrations of the investigated elements were identified for use in breeding for improvement of grain quality. Zn concentration correlated negatively with grain yield and positively with grain protein concentration.
Idioma: Inglês

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Effect of genotype and farming system on concentration of mineral elements in organically and conventionally grown cereals

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