Proline, glicine betaíne and total soluble protein contents in 12 cuban wheat varieties under saline conditions

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Published: Jul 9, 2012
Keywords:
proline, glicine, betaíne, proteins, wheat, salinity

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L. Argentel
Universidad de Granma, Bayamo

Abstract

Proline, glicine betaíne and total soluble proteincontents were determined in 12 Cuban wheat varieties, of T.aestivum and T. durum species, growing under salineconditions. Thus, two experimental variants were conductedbased on a concentrated nutrient solution. The first treatmentbecame salty with NaCl to an electric conductivity of 8 dS.m-1and the control treatment without applying NaCl. This testwas performed under hidropony conditions and treatmentswere applied from sowing time until 45 days after seedgermination, when determinations were recorded. Data obtainedin the control and stress treatments were compared by t-studenttest for 5 and 1 % significant levels. As a result, an importantincrement of proline content was obtained in most varieties,the accumulation in foliage being bigger than in roots. Glicinebetaíne content was highly significant just in wheat varietiesof T. durum species. Total soluble protein content showed arather variable behaviour, even among varieties from the samespecies; that is why it was not considered an efficient indicatorof salinity tolerance. The varieties Cuba-C-204, INIFAT RM-36,INIFAT RM-37 and INIFAT RM-26 showed the highest prolineaccumulation.

Article Details

How to Cite
Argentel, L. (2012). Proline, glicine betaíne and total soluble protein contents in 12 cuban wheat varieties under saline conditions. Cultivos Tropicales, 31(4), 82–86. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/86
Issue
Vol. 31 No. 4 (2010)
Section
Original Article

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