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Open Access Hydropriming enhances the germination of aged ultra-dry wheat seeds

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This article is Open Access under the terms of the Creative Commons CC BY-NC licence.

Hydropriming is an efficient strategy for reviving aged seeds. In the present study, hydropriming was optimised for vigour enhancement in aged ultra-dry wheat seeds. Wheat seeds (initially dried to 5.0% moisture content) stored at ambient temperature for ten years were humidified over water for seven days, then soaked for 12, 24 and 36 hours in aerated distilled water (seed priming treatment). Primed and unprimed seeds were equilibrated at ambient conditions for 48 hours. Changes in germination traits, activities of anti-oxidative enzymes, hydrogen peroxide (H2O2), malondialdehyde (MDA), α-amylase activity, soluble protein and soluble sugars were determined. Results indicated that hydro priming for 12 hours significantly increased the germination percentage, from 50.7 to 58.6%. The increase in germination was significantly positively correlated with catalase activity (r = 0.969), and significantly negatively correlated with accumulation of H2O2 (r = 1.000).
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Keywords: AGED SEEDS; CATALASE; HYDROGEN PEROXIDE; HYDROPRIMING; ULTRA-DRY; WHEAT

Document Type: Research Article

Publication date: April 1, 2020

This article was made available online on February 25, 2020 as a Fast Track article with title: "Hydropriming enhances the germination of aged ultra-dry wheat seeds".

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  • Seed Science and Technology (SST) is one of the leading international journals featuring original papers and review articles on seed quality and physiology as related to seed production, harvest, processing, sampling, storage, distribution and testing. This widely recognised journal is designed to meet the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality.
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