, Research Papers

Maintenance of vigour and viability of stored gingelly (Sesamum indicum L.) seeds

Research Papers
K. Ramamoorthy
Department of Seed Technology, Tamil Nadu Agricultural University, Coimbatore-641 003, India
V. Palanisamy
Department of Seed Technology, Tamil Nadu Agricultural University, Coimbatore-641 003, India
D. Kalavathi
Department of Seed Technology, Tamil Nadu Agricultural University, Coimbatore-641 003, India
K. Vanangamudi
Department of Seed Technology, Tamil Nadu Agricultural University, Coimbatore-641 003, India
T.V. Karivaratharaju
Department of Seed Technology, Tamil Nadu Agricultural University, Coimbatore-641 003, India
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Keywords

Sesamum indicum
Gingelly
Hydration-dehydration
Membrane functions
Lipid perodixation

How to Cite

Maintenance of vigour and viability of stored gingelly (Sesamum indicum L.) seeds. (1990). Tropical Agriculture, 67(3). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1777
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Abstract

Hydration treatment of seven-month-old gingelly seeds cv TMV 3 through moisture equilibration, soaking or moist-sand, either with water or sodium phosphate (dibasic 2.5 x 10-3 M) for 48 h, 30 min and 96 h, respectively, followed by drying back, reduced the loss of vigour and viability when subjected to accelerated and natural ageing conditions. The treated seeds maintained membrane integrity by exhibiting a lower electrical conductivity of the seed leachate, reduced leakage of sugars and amino acids. Lower lipid peroxidation values were recorded in treated seeds. Counteraction of lipid peroxidation and free radical quenching may be possible reasons for so extending the viability of treated seeds.
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