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- Title
ZAWARTOŚĆ WYBRANYCH MIKROSKŁADNIKÓW W LIŚCIACH SAŁATY (LACTUCA SATIVA L. VAR. CAPITATA L.) W ZALEŻNOŚCI OD POZIOMU I POSTACI ZASTOSOWANEGO ŻELAZA.
- Authors
KOZIK, ELŻBIETA; WOJCIECHOWSKA, EWELINA; GOLCZ, ANNA; MIELOSZYK, ELŻBIETA
- Abstract
In experiments with lettuce (Lactuca sativa L. var. capitata L.) 'Sunny' variety, the effect of mineral and chelated iron compounds used in different doses, on the content of zinc, manganese and copper in leaves was determined. Plants were grown in spring and autumn in organic substrate. Content of micronutrients was determined with AAS method after wet digestion in a mixture of nitric and perchloric acid in a ratio of 3:1. It was demonstrated that significantly more of zinc and manganese and less copper contained plants fed with mineral form of iron (FeSO4⋅7H2O, Fe2(SO4)3⋅H2O) than in the chelated form (FeDTPA, FeEDDHMA, FeIDHA, FeEDTA + DTPA). Regardless of the source of iron, the increase in content of this nutrient in the substrate affected the reduction of the average content of zinc and manganese and increase of the copper content in plants. After application of mineral form of iron in all dosage, content of zinc, manganese and copper in the lettuce was not significantly different from that obtained in the control combination.
- Subjects
LETTUCE varieties; MINERALS; LEAVES; MICRONUTRIENTS; PERCHLORIC acid
- Publication
Science, Nature, Technologies / Nauka, Przyroda, Technologie, 2015, Vol 9, Issue 1, p1
- ISSN
1897-7820
- Publication type
Article
- DOI
10.17306/J.NPT.2015.1.13