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Response of Safflower (Carthamus tinctorius) Seed Germination under Cadmium Nitrate Stress to Salicylic Acid Priming  [2016]

Badpa, Khadijeh Movahhedi Dehnavi, Mohsen Yadavi, Alireza

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Abstract
To evaluate the interaction of Cd and SA on seed germination of Safflower (Carthamus tinctorius L. cv. Soffe), this experiment was carried out as a factorial based on CRD with four replications in 2012, in Yasouj University seed lab. Factors included of four levels of seed priming with SA (0, 0.3, 0.6, and 0.9 mM) and eight levels of cadmium nitrate (0, 5, 10, 15, 20, 25, 30 and 35 mM). In all Cd treatments, SA 0.9 mM had maximum germination percentage (84% in 0 mM Cd) and rate (6.58 seed day-1 in 5 mM Cd), radical length (4.21 cm in 0 mM Cd) and stem (3.29 cm in 0 mM Cd), radical dry mater (2.25 mg in 0 mM Cd), shoot dry matter (0.94 mg in 0 mM Cd) and seed vigor index (6.30 in 0 mM Cd). Generally, seed priming with SA decreased the impact of Cd on seed germination and SA 0.9 mM was the best treatment.
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Other subjects

  • بنیه بذر, درصد جوانه‌زنی, سرعت جوانه‌زنی, وزن ریشه‌چه
  • Germination percentage, Germination rate, Root weight, Seed vigor

From the journal

Iranian Journal of Seed Research