EFFECTS OF SALINITY ON YIELD AND SOME OF PHYSIOLOGICAL CHARACTERISTICS IN 30 WHEAT (TRITIUM AESTIUM L.) CULTIVARS

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RAJABI R.; POUSTINI K.; JAHANI POUR P.; AHMADI A.

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Journal: Year:2005 | Volume:11 | Issue:2 Page(s): 153-164

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Title

EFFECTS OF SALINITY ON YIELD AND SOME OF PHYSIOLOGICAL CHARACTERISTICS IN 30 WHEAT (TRITIUM AESTIUM L.) CULTIVARS

Author(s)

RAJABI R. | POUSTINI K. | JAHANI POUR P. | AHMADI A. | Issue Writer Certificate

Keywords

WHEATQ3

SALINITYQ2

POTASSIUMQ2

SODIUM AND LEAF WATER POTENTIALQ2

Abstract

In a green house experiment, the affects of Saline water (0 and 8 gr Lit-1NaCl) on the grain and biological yield, POTASSIUM concentration, and leaf Potential were analyzed in 30WHEAT cultivar. This analysis was done in a factorial experiment based on Random Complete Block Design in 3 replications. In the controlled treatment irrigation with ordinary water and in the salty treatment irrigation with NaCl was done. Gradually so that amount of SALINITY would stay at 15dsm-1. Based on its results the SALINITY in all of the cultivars decreased grain yield and biological yield. In stress situation the amount of seed yield and biological yield decreased respectively by 53.5% and 63.6%. In all of the cultivars, Arvand- 1 and Karchia-66 had a significantly higher grain yield compare to the rest. Atrak, Pitic and Bolni had the least grain yield stressed situations. In the flowering stage tolerant cultivars like Karchia-66and Chamran had a high K+ Concentration. Due to. The results the increase in the Na+ concentration in sensitive cultivars is more intensive that tolerant ones. In this experiment it is seen that Ghods, Atrak and pitic cultivars had the least K+/Na+ ratio. The cultivars, which had the least K+/Na+ ratio, had the highest Na+ concentration during stress and by considering yield and STIy these cultivars are one of the most sensitive to SALINITY. So it seems that the increased accumulation of Na+ compared to K+ in the leaves and the hazardous effects of this ion is the real reason for yield decrease. Based on the results of this experiment, there is a significant positive correlation between he leaf water potential and its yield So much so that in cultivars with higher leaf water potential in SALINITY stress there is higher resistance to SALINITY. This fact showed that avoiding SALINITY is the main reason for the resistance of SALINITY in WHEAT and the tolerance mechanism could have a less reason.

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APA: Copy

RAJABI, R., POUSTINI, K., JAHANI POUR, P., & AHMADI, A.. (2005). EFFECTS OF SALINITY ON YIELD AND SOME OF PHYSIOLOGICAL CHARACTERISTICS IN 30 WHEAT (TRITIUM AESTIUM L.) CULTIVARS. JOURNAL OF AGRICULTURAL SCIENCES, 11(2), 153-164. SID. https://sid.ir/paper/7646/en

Vancouver: Copy

RAJABI R., POUSTINI K., JAHANI POUR P., AHMADI A.. EFFECTS OF SALINITY ON YIELD AND SOME OF PHYSIOLOGICAL CHARACTERISTICS IN 30 WHEAT (TRITIUM AESTIUM L.) CULTIVARS. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2005;11(2):153-164. Available from: https://sid.ir/paper/7646/en

IEEE: Copy

R. RAJABI, K. POUSTINI, P. JAHANI POUR, and A. AHMADI, “EFFECTS OF SALINITY ON YIELD AND SOME OF PHYSIOLOGICAL CHARACTERISTICS IN 30 WHEAT (TRITIUM AESTIUM L.) CULTIVARS,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 11, no. 2, pp. 153–164, 2005, [Online]. Available: https://sid.ir/paper/7646/en

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