Volume 3, Issue 8 (4-2011)
jcb 2011, 3(8): 81-92 |
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(2011). Study of Physiologic Tolerance of Safflower (Carthamus tinctorius L.) Genotypes on Salinity Stress in Germination Stage and Seedling Growth. jcb. 3(8), 81-92.
URL: http://jcb.sanru.ac.ir/article-1-99-en.html
URL: http://jcb.sanru.ac.ir/article-1-99-en.html
Abstract: (9410 Views)
This research was carried out in order to evolution effect of salt stress on seedling growth and antioxidant activity of two safflower cultivars KW13 and IL111 in Islamic Azad University, Shoushtar branch. Salt stress treatments were applied using salt solutions with EC values of 0 (control), 4,6, 8,10 and 12 ds/m. All experiments were carried out under a dual factorial (cultivar × salinity level) completely randomized design at 3 replications. Results showed salt stress decreased root length, shoot length and seedling fresh weight but increased seedling MDA concentration, catalase (CAT) and peroxidase (POD) activity. KW13 cultivar seems to be a salt tolerant safflower cultivar since it showed the highest seedling fresh weight, highest CAT, POD activity and the lowest MDA concentration at 12ds/m level compared IL111 cultivar.
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