biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 36:255-259, 1994

Organic substances responsible for salt tolerance inEruca sativa

M. Ashraf1
1 Department of Plant Sciences, College of Agriculture, University of Arizona, Tucson, U.S.A.

Responses of a salt tolerant and a normal population of an oilseed crop,Eruca sativa Mill. were assessed after four weeks growth in sand culture salinized with 0 (control), 100, 200, or 300 mol m-3 NaCl. The salt tolerant plants produced significantly greater dry biomass than the normal population. The populations did not differ significantly in leaf osmotic potential, relative water content and leaf soluble proteins. However, the tolerant population accumulated significantly greater amounts of soluble sugars, proline and free amino acids in the leaves compared with the non-tolerant population. It is established that leaf soluble sugars, proline, and free amino acids are important components of salt tolerance inEruca sativa.

Received: July 16, 1993; Accepted: September 2, 1993; Published: June 1, 1994  Show citation

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Ashraf, M. (1994). Organic substances responsible for salt tolerance inEruca sativa. Biologia plantarum, 36(2), 255-259
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