Physiological and biochemical alterations in Vigna rdiate L. triggered by sesame derived elicitors as defense mechanism against Rhizoctonia and Macrophomina infestation

Improving agricultural products by the stimulation of plant growth and defense mechanisms by priming with plant extracts is needed to attain sustainability in agriculture. This study focused to consider the possible improvement in Vigna radiata L. seed germination rate, plant growth, and protection...

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Published in:Scientific reports 2023-08, Vol.13 (1), p.13884-13884, Article 13884
Main Authors: Kalaivani, Kandaswamy, Senthil-Nathan, Sengottayan, Stanley‑Raja, Vethamonickam, Vasantha-Srinivasan, Prabhakaran
Format: Article
Language:English
Subjects:
631/449
631/92
704/172
Agricultural products
Bioactive compounds
Defense mechanisms
Gas chromatography
Humanities and Social Sciences
Leaves
Macrophomina
Mass spectroscopy
multidisciplinary
Plant extracts
Plant growth
Plants
Rhizoctonia
Science
Science (multidisciplinary)
Seed germination
Seed treatments
Seeds
Sesamum indicum
Silicic acid
Vigna radiata
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Summary:Improving agricultural products by the stimulation of plant growth and defense mechanisms by priming with plant extracts is needed to attain sustainability in agriculture. This study focused to consider the possible improvement in Vigna radiata L. seed germination rate, plant growth, and protection against the natural stress by increasing the defense mechanisms through the incorporation of Sesamum indicum phytochemical compounds with pre-sowing seed treatment technologies. The gas chromatography coupled with mass spectroscopy (GC–MS) analysis revealed that the methanol extract of S. indicum  leaf extract contained eight major bioactive compounds, namely, 2-ethylacridine (8.24%), tert-butyl (5-isopropyl-2-methylphenoxy) dimethylsilane (13.25%), tris(tert-butyldimethylsilyloxy) arsane (10.66%), 1,1,1,3,5,5,5-heptamethyltrisiloxane (18.50%), acetamide, N-[4-(trimethylsilyl) phenyl (19.97%), 3,3-diisopropoxy-1,1,1,5,5,5-hexamethyltrisiloxane (6.78%), silicic acid, diethyl bis(trimethylsilyl) ester (17.71%) and cylotrisiloxane, hexamethyl-(4.89%). The V. radiata seeds were treated with sesame leaf extract seeds at concentrations 0, 10, 25, 50, and 100 mg/L. Sesame leaf extract at 50 and 100 mg/L concentrations was effective in increasing the germination percentage and the fresh and dry weights of roots and shoots. The increased peroxidase activity was noticed after treatment with S. indicum extract. In addition, disease percentage (
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-023-39660-y