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Selenium treatment under field conditions affects mineral nutrition, yield and antioxidant properties of bulb onion (Allium cepa L.)

100%

Poldma P., Moor U., Tonutare T., Herodes K., Rebane R.

Acta Scientiarum Polonorum. Hortorum Cultus

2013

tom 12

nr 6

The aim of the research was to find out how foliar selenium (Se) treatment in open field conditions affects plant nutrition, yield and bulb bioactive properties. 10, 50 or 100 μg·mL⁻¹ Se, referred to as Se10, Se50 and Se100 treatments, was applied to onion ‘Hercules’ in 2008 and 2009. Bulb weight, total yield, content of total Se, free selenomethionine and selenomethylselenocysteine, total S, N, P, K, Ca and Mg, content of total phenolics, pungency and total antioxidant capacity (TAC) were determined. All Se treatments significantly reduced bulb S content. The Se100 treatment had a tendency to decrease bulb size and yield. The Se50 treatment increased total Se content, total phenolics and TAC and had a tendency to increase the yield. A larger proportion of total Se was converted into organic compounds in the Se50 than in the Se100 treatment. In Se 10 treatment, bulb TAC was the highest among treatments in 2009. Considering both agronomic and human health benefits, Na2SeO4 solution at the rate of 50 ȝg·mL⁻¹ Se can be recommended for bulb onion.

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Hortorum Cultus

1 Herodes K.

1 Moor U.

1 Poldma P.

1 Rebane R.

1 Tonutare T.

1 2013

Wyniki wyszukiwania

Selenium treatment under field conditions affects mineral nutrition, yield and antioxidant properties of bulb onion (Allium cepa L.)