Document Type : Research Article
Authors
1 University of Tabriz
2 Shahed. Tehran
Abstract
Selenium is a non metallic chemical element that affects plant growth and development and but it can due to the presence of antioxidant defense system as a matter of basic human and animal health has been identified. An experiment was conducted to study the effect of Se on physiological characteristics and yield of Brussels sprouts (Brassica oleracea var. Gemmifera) with six levels of Se (0, 2, 4, 8, 16 and 32 mg/l) from sodium selenate. The experiment was arranged in a completely randomized design with four replications under greenhouse conditions. The results showed that yield in terms of fresh weight of sprout was significantly (P≤0.01) affected by Se concentration so that increasing Se concentration from 0 to 8 mg/l increased the yield and chlorophyll index, electrolyte leakage (EL) in leaves decreased then with increasing Se concentration decreased the yield and EL in young leaves increased. The highest yield was observed at 8 mg/l Se concentration that was 40% higher compared to the control treatment. With increase concentration of Se in the nutrient solution increased Se concentration and as follow old leaves>young leaves> sprouts. The results showed that Se can be added at the 8 mg/l to the nutrient solution for growing Brussels sprout.
Keywords
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