Effect of Salinity Stress on Morphological and Proline Content of Eight Landraces Fenugreek (Trigonella foenum - graecum L.)

Document Type : Research Article

Authors

Ferdowsi University of Mashhad

Abstract

In order to evaluate the effect of salinity on some morphological characteristics and proline content of eight fenugreek landraces and identification of the best landrace, a factorial experiment was conducted on the basis of complete randomized design with three replicates in the research field of Ferdowsi University of Mashhad in 2013. Experimental treatments were combination of eight fenugreek landrace (Isfahan, Tabriz, Hamedan, Sari, Challous, Amol, Mashhad and Yasooj) and four levels of salinity stress (0, 60, 120 and 180 Mm NaCl). The ANOVA results revealed the significant effect of salinity on plant height, number of branches/plant, number of nodes, inter nodal distance, root length, shoot length, root dry weight, shoot dry weight, fresh weight of fruit, nut and proline content. The highest level of salinity (180 mM NaCl) significantly decreased the mentioned plant characters by 16.72%, 30.44%, 18.22%, 49.45%, 11.95%, 13%, 48.44%, 57.90%, 59.56%, 54.11% compared to control respectively. Proline content in the highest salinity level (180 mM NaCl) was increased by 44.57% compared to control. The greatest amount of shoot vegetative yield was obtained from control (without salinity) and the highest rate of proline was achieved from 180 Mm treatment.

Keywords


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