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IJSTR >> Volume 4 - Issue 5, May 2015 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Improvement Of Salt Tolerance In Some Varieties Of Rice By Ascorbic Acid Application

[Full Text]



Wan Arfiani Barus, Abdul Rauf, Rosmayati, Chairani Hanum



Key words: Rice, Ascorbic Acid, Salt Tolerance, Morphological Characters



ABSTRACT: Salinity stress is one of the serious abiotic stress and lead to reduced productivity and plant growth. The effect of salinity stress and its interaction with ascorbic acid was investigated on some morphological traits. Ascorbate is a strong antioxidant which has remarkable biological effects on plants growth, including an improvement in plants' tolerance under salinity stress conditions. The purpose of this study was to determine the effect of ascorbic acid application to improve salt tolerance of rice on saline soil. This research was down as a factorial based on randomized block design with 3 replications. In this research were tested eight varieties of Rice (Ciherang (V1), IR 64 (V2), Lambur (V4), Batanghari (V5), Banyuasin (V6), IR 42 (V8), Inpara 10 (V9) and Margasari (V10) and Ascorbic Acid is applied at concentrations of 0 (A0) , 500 ppm (A1) , 1000 ppm (A2) and 1500 ppm (A3). Ascorbic acid is applied in 4 times with at the age of 15, 35, 55 and 75 days after sowing. All concentrations of ascorbic acid generally has a positive effect on morphological characters. However, the best response was found at 1500 ppm (A3) concentration of ascorbic acid on Banyuasin variety.



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