Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Evaluation of the Selenium, Iodine, and Supplementary Blue Light Influence on the Biochemical Compounds and Nutrients Content of Fenugreek (Trigonella foenum-gracum L.) Medicinal Plant

Version 1 : Received: 21 August 2023 / Approved: 28 August 2023 / Online: 29 August 2023 (08:51:26 CEST)

A peer-reviewed article of this Preprint also exists.

Ramezani, S.; Yousefshahi, B.; Ramezan, D.; Zargar, M.; Pakina, E.; Bayat, M. Selenium, Iodine, and Supplementary Blue Light Enriched Fenugreek (Trigonella foenum-gracum L.) in Terms of Biochemical Quality, Mineral Uptake, and Trace Elements Accumulation in a Hydroponic System. Agriculture 2023, 13, 2009. Ramezani, S.; Yousefshahi, B.; Ramezan, D.; Zargar, M.; Pakina, E.; Bayat, M. Selenium, Iodine, and Supplementary Blue Light Enriched Fenugreek (Trigonella foenum-gracum L.) in Terms of Biochemical Quality, Mineral Uptake, and Trace Elements Accumulation in a Hydroponic System. Agriculture 2023, 13, 2009.

Abstract

The development and use of selenium and iodine elements in agriculture aim to enrich agricultural food products for humans. This study was carried out as a three-factor factorial experiment in a completely randomized design (CRD). Three concentrations of sodium selenate fertilizer (0, 2, 4 mg/l), three potassium iodate (0, 2, 4 mg/l), and two supplementary radiation levels (blue light and sunlight) were used. The results showed that the highest and the lowest (3.44 & 3.12 mg/g f.w) leaf protein value was related to blue light and sunlight treatments, respectively. In the blue light treatment, the maximum and the minimum (4.77 & 3.39 mg/g f.w) leaf sugar amount was observed at 4 and 0 mg/l of the iodine, respectively. At 0 mg/l of selenium, the highest and the lowest (8.63 & 5.34 mg/g f.w) leaf vitamin C amount was recorded at the 4 and 0 mg/l of iodine, respectively. In blue light + 0 mg/l of the selenium, the highest and the lowest (2.94 & 2.10 mg/g f.w) leaf flavonoid quantity was seen at 2 and 0 mg/l of the iodine, respectively. In the blue light conditions, (5.20%) leaf nitrogen content was achieved in the selenium 4 mg/l group. In the same conditions, the maximum and the minimum (3.09 & 2.18%) leaf potassium amount was attained at selenium 2 and 4 mg/l, respectively. Under blue light conditions, the highest and the lowest (0.58 & 0.24 mg/kg dry matter) leaf selenium level was observed at 4 and 0 mg/l, respectively. In sunlightradiation levels, the maximum and the minimum (0.36 & 0.25 mg/kg dry matter) leaf selenium level were found at 4 and 0 mg/l of selenium, respectively. In the blue light conditions, the most and the lowest (1.65 & 0.72 mg/kg dry matter) seed selenium content was related to 4 and 0 mg/l of the selenium, respectively. In the blue light conditions, the highest and the lowest (8.49 & 4.25 mg/kg dry matter) leaf iodine level was recorded at 4 and 0 mg/l of iodine, respectively. In the blue light conditions, the maximum and the minimum (30.56 & 20.62 mg/kg dry matter) seed iodine value was related to 4 and 0 mg/l of the iodine, respectively. In the sunlight, the most and the lowest (24.96 & 20.29 mg/kg dry matter) seed iodine amount was achieved at 4 and 0 mg/l of the selenium, respectively.

Keywords

Biochemical compounds; Blue light; Growth; Immune system; Nutrition

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

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