The effect of priming on germination and enzyme activity of sesame ( Sesamum indicum L.) seeds after accelerated aging
Автор: Tabatabaei S.A.
Журнал: Журнал стресс-физиологии и биохимии @jspb
Статья в выпуске: 4 т.9, 2013 года.
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Maximum germination percentage achieves immediately after harvesting and gradually de#creases with storage time. Aging is one of the key factors in plant yield loss especially in vegetables. Seed aging is the main problem of seed storage. Application of accelerated aging treatment is used to assess seed vigor and quality. Seed priming enhances seed germination performance after aging. An experiment was conduct in order to investigate the activity of catalase and ascorbate peroxidase during accelerated aging and repair during priming treatment of sesame ( Sesamum indicum L.) seeds. In order to improve germination characteristics in aged seeds with seed priming. Our result showed that seed priming treatments significantly (p≤ 0.01) affected, germination percentage, germination Index and normal seedling percentage after aging (0, 3 and 6 days). Increasing aging duration resulted higher reduction in germination characteristics. Priming with gibberelic acid (GA) increased germination characteristics of seed aged. The highest germination percentage, germination index, normal seedling percentage and enzyme activity were achieved in control conditions (0 day of aging). Also antioxidant activity of aged seeds increased after seed priming.
Hormone priming, seed characteristics, enzyme activity, accelerated aging
Короткий адрес: https://sciup.org/14323795
IDR: 14323795
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