Volume 5, Issue 15 (Vol. 5, No. 15, 2016 2016)                   2016, 5(15): 91-106 | Back to browse issues page

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farhoudi R, j lee D. Effect of of vegetative growth, cell membranes stability and ion compartmentation of rice genotypes under salt stress condition . Plant Process and Function 2016; 5 (15) :91-106
URL: http://jispp.iut.ac.ir/article-1-357-en.html
1- islamic azad university , rfarhoudi@gmail.com
2- dankook uni
Abstract:   (3982 Views)

This research carried out to evaluate responses of rice genotypes and cultivars to salt stress using a factorial experiment with complete block randomized design in three replications, in Dankook University, South Korea at 2012.First factor was 16 rice genotypes and cultivars at vegetable growth stage and second factor was soil salinity levels (0.8 ds m-1 as control and 6.2 ds m-2 ). Salt stress disturbed cell membrane and the highest malondealdehid obtained from Khazar, Kadus, Baekjimju byeo, Chucheomg byeo, Shimdomgjim byeo cultivars and IR29 and IR59418-7B-21-3 genotypes. The highest shoot dry weight showed in IR67075-2B-5-2 genotype (153.8 g m-2), Kochihibic (152.2 g m-2), Haraz (149.8 g m-2), Shafagh (152.0 g m-2) and Nemat (156.9 g m-2). These cultivars have maximum K+/Na + rate, antioxidant enzymes activates, relative water cotent, soluble carbohydrate and photosynthesis rate and minimum leaf Na+ concentration. Leaf K/Na ratio, relative water content, photosynthesis rate dry matter and malondealdehid concentration suggest for choice salt tolerance rice cultivar in vegetable stage.

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Type of Study: Research | Subject: Salt Stress
Received: 2014/12/24 | Accepted: 2015/05/13 | Published: 2016/04/5

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