Selenium (Se) is an chemical element; a crucial micronutrient for crops which accelerates plant growth and tolerance against abiotic stresses. Selenium is termed as the “double-edged sword element” because it has both noxious as well as beneficial aspects on plants depending on the amount. However; some studies have reported its valuable impacts; when applied in trace amount and vice versa 1,2.
In 2014, Chamheidar, H. and K. Parvanak performed an investigation and noted amplification in yield of peanut and the content of Se by increasing liquid Se amount applied. Highest peanut yield was observed with liquid Se fertilizer (6 000 mL ha–1). According to Poblaciones and team, sodium selenate was much more effectively taken by plants than sodium selenite and strong and linear association was seen between total Se content and Se rate for chickpea2,3. However, the performance of certain crops in response to different Se application doses and application method is still under discussion4.
Seyyid Irmak conducted a research to evaluate the outcome of Se application on peanut’s yield and quality in combination with oil, nitrogen and protein content in Easthern Mediterranean region of Turkey. In this investigation; pot experiment was performed with three replications during two years. Se fertilizer was applied to soil at 5 different concentrations (0, 5, 10, 20 and 40 g ha–1), as folier fertilizer and through seed soaking at 4 different doses.
Scientist noted the amplification in yields significantly by all types of Se applications. Foliar applications (3% sodium selenite) exhibited the maximum yield (6130 kg ha–1) after 40 days of flowering. Mounting doses of Se increased 100 grain weight but oil, protein and nitrogen content of grains were not affected. Conclusively, two years trial evidently revealed that external Se supply to peanut (all methods tested) accelerated yield in East Mediterranean circumstances of Turkey. However, further investigations are needed to investigate effects of Selenium on other horticultural crops as well to sharpen the horizons of agricultural knowledge. Moreover; it will also help to robust the food security management.
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17 November, 2019