Effect of exogenous application of glycine betaine on yield and physiological characteristics of rainfed wheat cultivars in Kermanshah

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Rozrokh M.

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Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2020 | Volume:12 | Issue:41 Page(s): 78-85

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Title

Effect of exogenous application of glycine betaine on yield and physiological characteristics of rainfed wheat cultivars in Kermanshah

Author(s)

Rozrokh M. | Issue Writer Certificate

Keywords

SardariQ3

cultivarsQ1

prolineQ2

sprayingQ1

rainfedQ2

Abstract

To study the response of wheat cultivars rainfed to the exogenous application of glycine betaine, a field experiment was conducted as a factorial based on randomized complete block design with four replications in the field research at Islamic Azad University of Kermanshah, Iran in 2015-2016. The design factors included four wheat cultivars (two drought resistant cultivars, Sardari and Azar 2 and two drought susceptible cultivars, Rasad and Owhadi), prepared by the seed and plant improvement institute and four levels of glycinebetaine application (zero millimolar or water Distillate as control, 50 mM, 100 mM and 150 mM) were sprayed in two growth stages; early heading and early grain filling. The results showed that in most traits there was a significant differences between the cultivars, and Sardari cultivar was superior to other cultivars in most studied traits, so that the highest grain yield and proline content were 3571. 88 kg/ha and 29. 94 μ mol/g respectively. Glycinebetaine spraying at 100 mM resulted in significant increase in spike length, 1000 seeds weight, grain yield, harvest index and proline content. interaction review between cultivars in glycinebetaine showed that in 100 mM glycine betaine, only two drought resistant cultivars, Sardari and Azar2, it was the highest and significantly different from other levels of spraying, but in the drought susceptible cultivars, Rasad and Owhadi, there was no significant difference in proline content for different levels of glycinebetaine concentrations, which may be due to the lack of changes in the incidence of related genes in response to osmotic stress. As a result, it can be concluded that there is a positive relationship between proline content and grain yield in drought resistant wheat cultivars.

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APA: Copy

Rozrokh, M.. (2020). Effect of exogenous application of glycine betaine on yield and physiological characteristics of rainfed wheat cultivars in Kermanshah. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 12(41 ), 78-85. SID. https://sid.ir/paper/188442/en

Vancouver: Copy

Rozrokh M.. Effect of exogenous application of glycine betaine on yield and physiological characteristics of rainfed wheat cultivars in Kermanshah. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2020;12(41 ):78-85. Available from: https://sid.ir/paper/188442/en

IEEE: Copy

M. Rozrokh, “Effect of exogenous application of glycine betaine on yield and physiological characteristics of rainfed wheat cultivars in Kermanshah,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 12, no. 41 , pp. 78–85, 2020, [Online]. Available: https://sid.ir/paper/188442/en

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