International network for natural sciences – research journal
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Seed Priming: Technology to improve Wheat Growth under Abiotic Stress Conditions

By: Saman Rafique Mirza, Noshin Ilyas, Nazima Batool, Roomina Mazhar, Fatima Bibi, Sidra Kanwal, Maimoona Saeed

Key Words: Wheat seed Priming, Abiotic stress, Morphology.

Int. J. Biosci. 9(1), 268-275, July 2016.

DOI: http://dx.doi.org/10.12692/ijb/9.1.268-275

Abstract

This study was conducted to check the role of seed priming in relation to wheat plant abiotic stress tolerance. Seeds of wheat cultivars NARC-2009 and NARC-2011 were surface sterilized and Halo, osmo and hydro priming methods were used, afterwards seed was allowed to germinate. Water stress was induced by with holding water for nine days, salinity induced by increasing salt in irrigation water for seven days and heat stress was induced by applying 40oC temperature treatment. Abiotic stresses influenced root length, shoot length, fresh weight and leaf area of wheat plant but seed priming ameloriated negative impacts of stress. The best treatment in drought and heat stress condition with 39% and 35% increased in root length was hydropriming. The most actual priming treatment under high salt condition was 5mM KNO3 priming which increased root length up to 40%. Seed priming helped plant to alleviate determintal effect of different abiotic stresses.

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