The effect of different irrigation levels on some physiological characteristic and grain yield of sesame genotypes

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Moghanibashi Najafabadi M.; KHAZAIE H.R.; NEZAMI A.; Eshghizadeh H. R.

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Journal: CROP PHYSIOLOGY Year:2019 | Volume:11 | Issue:1 (41) Page(s): 81-93

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Title

The effect of different irrigation levels on some physiological characteristic and grain yield of sesame genotypes

Author(s)

Moghanibashi Najafabadi M. | KHAZAIE H.R. | NEZAMI A. | Eshghizadeh H. R. | Issue Writer Certificate

Keywords

Drought tensionQ2

Oil seedsQ1

Stomata conduction and Electrolyte leakageQ1

Abstract

Sesame is one of the oldest crops in the world, due to its high oil content, is one of the most important oilseed plants in arid and semi-arid regions. This experiment was conducted in the form of statistical design in randomized complete blocks with split plots with three levels of irrigation after 55, 75 and 85 percent of drainage in the main plots and four genotypes of sesame Varamin, Naztakshakheh, Olahtan and Yekta in sub plots with three replications in the research farm of the Faculty of Agriculture, Isfahan University of Technology, was conducted in 2015. The results showed that there was a significant difference between the genotypes of sesame and irrigation regimes in terms of physiological characteristics and grain yield. The interaction of irrigation in genotype was significant in electrolyte leakage traits, membrane stability and yield. Increasing irrigation intervals from 55 to 85 percent of allowable drainage resulted in significant reduction in leaf relative water content (13 percent), stomata conductance (42 percent) and grain yield (53 percent ) in genotypes examined. In addition, canopy temperature (10 percent ) and electrolyte leakage (94 percent) increased significantly in all genotypes due to increased moisture discharge. The highest grain yield (1459 kilogram per hectare) of Yekta genotype under irrigation conditions 55 percent and the lowest grain yield (537 kilogram per hectare) was obtained from Naztakshakheh genotypes under 85 percent permitted soil water discharge. Overall, the results showed that reducing the irrigation interval due to improved leaf relative content, stomata conductance, electrolyte leakage and plant canopy temperature in the investigated genotypes increased the yield of sesame seeds.

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APA: Copy

Moghanibashi Najafabadi, M., KHAZAIE, H.R., NEZAMI, A., & Eshghizadeh, H. R.. (2019). The effect of different irrigation levels on some physiological characteristic and grain yield of sesame genotypes. CROP PHYSIOLOGY, 11(1 (41) ), 81-93. SID. https://sid.ir/paper/371865/en

Vancouver: Copy

Moghanibashi Najafabadi M., KHAZAIE H.R., NEZAMI A., Eshghizadeh H. R.. The effect of different irrigation levels on some physiological characteristic and grain yield of sesame genotypes. CROP PHYSIOLOGY[Internet]. 2019;11(1 (41) ):81-93. Available from: https://sid.ir/paper/371865/en

IEEE: Copy

M. Moghanibashi Najafabadi, H.R. KHAZAIE, A. NEZAMI, and H. R. Eshghizadeh, “The effect of different irrigation levels on some physiological characteristic and grain yield of sesame genotypes,” CROP PHYSIOLOGY, vol. 11, no. 1 (41) , pp. 81–93, 2019, [Online]. Available: https://sid.ir/paper/371865/en

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