Effect of seed treatments on Amadori and Maillard products change and seed vigour in barley (Hordeum vulgare L.) After 8 month storage
This study was conducted to investigate the role of polyamines (PAs) as priming agents on seed quality and vigour change with different moisture content (Mc)(14,16,18%) under 8 month storage conditions in barley (Hordeum vulgare L.) c.v Usef. Experimental units were arranged factorialy in a completely randomized design with four replications for two years. The seeds were harvested at three initial moisture contents including 18, 16, 14% using wet weight basis. The seed samples then were sealed in polythene bags and stored in conditioned storages for 8 months. After that for seed priming, seeds were soaked in aerated solution of Spermine (Spm), Puterscine (Put), and Spermidine (Spd) and distilled water (W), also untreated seeds used as control. The result in two years indicated that seed treatments significantly increased the seed viability and normall seedling percentage. Interaction between seed moisture content × seed treatments were significant (P<0.01) for Amadori and Maillard products. Mximum Amadori and Maillard product was detected for control (untreated seeds) and 14% MC .Whereas, minimum Amadori and Maillard product was detected for Spm seed treatment and 18% MC. Meanwhile, Amadori and Maillard products were reduced in all seed treatments.By increasing Amadori and Maillard products of seed, seedling vigour and seed viability decreased. It suggests that this technique could apply especially for improving vigor of barley seeds in at the end of storage period or at least one month before of this period. Generally, the effectiveness of PAs on improving seedling vigor was more pronounced in Spermine treatment.
Article Type:
Research/Original Article
Iranian Journal of Seed Science and Research, Volume:6 Issue:2, 2019
189 - 201
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