Evaluation of Salt Tolerance on Germination Stage and Morphological Characteristics of Some Medicinal Plants Artichoke, Flax, Safflower and Coneflower
Journal Title: International Journal of Farming and Allied Sciences - Year 2016, Vol 5, Issue 3
Abstract
In order to examine seed germination responses of four medicinal plant coneflower, safflower, flax and artichoke to different levels of salinity, an experiment was performed in the Faculty of Agriculture, Ferdowsi University of Mashhad, in a Completely Randomized Design with four replications. Treatments were different levels of salinities equal to 0, 4, 8 and 12 dSm-1 obtained by NaCl. Evaluated properties were germination percentage, rate and final number of germinated seeds. The results showed that the germinated seed number and the germination percentage had an inverse relation with salinity of substrate. Salinity stress with slow decline in germination of plant safflower (Carthamus tinctorius L.), flax (Linum usitatissimum L.) and artichoke (Gynara Scolymus L.). So that the salinity 12 dSm-1 germination percentage amount was high in the three plant. Germination rate under salt stress linearly decreased in all plants. The germination rate compared with germination percentage in plants assessment showed greater sensitivity to salt stress. The results showed that the germination stage, flax and safflower plant tolerant to salinity, artichoke is moderately resistant and coneflower saltsensitive. According to the results, salt effect on studied varieties and interaction characters were significant at 1% level. In this research some characters as rate and percent of germination, root and shoot length, root to shoot ratio and dry weight of plantlet with increasing of salt in four medicinal plant decreased.
Authors and Affiliations
Fatemeh Gholizadeh , Abotaleb Manzari-Tavakkoli, Alireza Pazoki
Keywords
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