NDLI: Salt tolerant and salt susceptible rice (Oriza sativa) varieties differ significantly in $^{22}$Na uptake but only up to the first 1 h after salt imposition

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Salt tolerant and salt susceptible rice (Oriza sativa) varieties differ significantly in $^{22}$Na uptake but only up to the first 1 h after salt imposition

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Indian Journal of Plant Physiology : Volume 18

Salt tolerant and salt susceptible rice (Oriza sativa) varieties differ significantly in $^{22}$Na uptake but only up to the first 1 h after salt imposition

Content Provider	Springer Nature Link
Author	Shree, M. L. Soumya Sashidhar, V. R. Shrivastava, M. Rani, J. A. Smitha Vasantha, K. M. Prasad, T. G. Devendra, R.
Copyright Year	2014
Abstract	Differences in $^{22}$Na uptake was determined in contrasting rice cultivars differing in salt tolerance. Selection for contrasting cultivars with significant differences in salt tolerance was based on a preliminary screening and included varietal differences in Na$^{+}$ exclusion capacity, K/Na selectivity based on K$^{+}$, Na$^{+}$ content of roots and shoots and a few other physiological traits. Almost 80 percent of the $^{22}$Na uptake, into roots occurred during the first 1 h after salt stress imposition in both varieties. However $^{22}$Na uptake was significantly higher in the salt susceptible KMP-175 as compared to Pokkali—in the first hour after salt stress imposition. After 6 and 24 h, the $^{22}$Na uptake differences tapered off in the roots while these differences remained up to 6 h in the shoot. Overall the results broadly suggested that plants of the salt tolerant Pokkali were able to regulate Na$^{+}$ transport into roots, more effectively than the salt susceptible variety immediately upon salt stress imposition but only for short periods.
Starting Page	14
Ending Page	20
Page Count	7
File Format	PDF
ISSN	00195502
Journal	Indian Journal of Plant Physiology
Volume Number	19
Issue Number	1
e-ISSN	09740252
Language	English
Publisher	Springer India
Publisher Date	2014-04-02
Publisher Place	India
Access Restriction	Subscribed
Subject Keyword	$^{22}$Na uptake Plant Biochemistry Salt susceptible Plant Physiology Salt tolerant cultivars Plant Sciences Rice Plant Ecology Cell Biology Plant Genetics & Genomics
Content Type	Text
Resource Type	Article
Subject	Plant Science Agronomy and Crop Science

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