Volume 11, Issue 32 (12-2019)                   jcb 2019, 11(32): 184-194 | Back to browse issues page

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Dastneshan S, Sabokdast nodehi M. Evaluation of Tolerance Rate of Some Genotypes of Beans (Phaseolus Vulgaris L.) To Salinity Stress. jcb. 2019; 11 (32) :184-194
URL: http://jcb.sanru.ac.ir/article-1-1056-en.html
Department of Agronomy and Plant Breeding, Faculty of Science and Engineering, University of Tehran
Abstract:   (322 Views)
     Evaluation of the physiological and biochemical traits can help to identify strategies for selection of resistant cultivars and increased crop yield production under diverse environmental conditions such as SALT stress conditions. To this end, an experiment was conducted in a greenhouse based on a completely randomized design (CRD) with three replications. The experimental factors were six genotype of common bean (Naz, Jules. 94.74, 20, 2) and four levels of). Salinity (zero as control. 50,100 and 200 mM Nacl). Salt stress was applied five weeks after planting and lasted for 10 days. Second trifoliate were used for sampling. Some physiological and biochemical characteristics including Electrolyte leakage (EL), Proline, total soluble proteins, malondialdehyde, Enzyme activity catalase, ascorbat peroxidase, polyphenol oxidase and ghayacol peroxidase were measured at the end of the experiment. Result showed that all genotype with increasing salinity level (up 200 Mm) had similar response, but the intensity of these responses was different in various genotypes. Overall, the highest and lowest content Prolin, malondialdehyde, enzymes activity of catalase, ghayacol peroxidase and ascorbat peroxidase were recorded at salinity level of 200Mm in jules and naz respectively. By evaluating of the studied traits, with considering physiological and biochemical characteristics, it could be conclude that genotype julse was salt tolerant in comparison to the rest of genotypes.
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Type of Study: Research | Subject: Special
Received: 2019/05/31 | Revised: 2020/02/2 | Accepted: 2019/10/1 | Published: 2020/01/13

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