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Effects of Salinity Stress on Growth and Phenolics of Rice (Oryza sativa L.)

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Abstract:

This study was conducted to determine the correlation between of salinity stress on growth and phenolic compounds in rice. It was observed that salinity stress caused a significant decrease in shoot lengths, fresh and dry weights of all rice varieties. Under salinity stress, changes of chemical contents also differed among phenolic compounds and rice cultivars. Total phenolics and flavonoids, and contents of vanillin and protocatechuic acid in tolerant varieties were strongly increased, whereas in contrast, they were markedly reduced in the susceptible cultivar. Ferulic acid and p-coumaric acid were detected only in tolerance rice. Vanillin and protocatechuic acid may play a role, but ferulic acid and p-coumaric acid may be much involved in the tolerant mechanism against salinity stress. Ferulic acid and p-coumaric acid and their derivatives are able to be exploited as promising agents to reduce detrimental effects of salinity stress on rice production.

Info:

Periodical:
International Letters of Natural Sciences (Volume 57)
Pages:
1-10
DOI:
10.18052/www.scipress.com/ILNS.57.1
Citation:
L. T. Minh et al., "Effects of Salinity Stress on Growth and Phenolics of Rice (Oryza sativa L.)", International Letters of Natural Sciences, Vol. 57, pp. 1-10, 2016
Online since:
Aug 2016
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