Abstract
Background: Salinity stress is one of the most severe problems in agriculture. Seed priming is a technique that improves seed germination and growth under abiotic stress. The study was conducted to evaluate the effects of different seed priming agents on seedling growth of Isabgol (Plantago ovata Forsk) Variety GI-3 under salinity stress. Methods: The experiment was conducted with a completely randomized design. The factors examined include four types of priming, control (unprimed seeds) with Salicylic acid, KNO3 and Gibberellic acid, with two salinity levels (0 and 5.3 dS/m), respectively. Result: In this experiment, germination traits like germination percentage, Mean Germination Time, plumule length, radicle length, seed vigour and fresh weight were measured. Data were analysed by using SPSS software. The present study shows that although all priming treatments were effective at the germination stage, but KNO3 was proved to be the most effective since it significantly increased germination performance than other priming treatments.
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