Association between water use efficiency components and stomatal conductance in some Iranian wheat cultivars

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Mehri Nastaran; FOTOVAT REZA; MOHSENI FARD EHSAN

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Paper Information

Journal: JOURNAL OF PLANT PHYSIOLOGY AND BREEDING Year:2018 | Volume:8 | Issue:2 Page(s): 69-75

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Title

Association between water use efficiency components and stomatal conductance in some Iranian wheat cultivars

Author(s)

Mehri Nastaran | FOTOVAT REZA | MOHSENI FARD EHSAN | Issue Writer Certificate

Keywords

CerealsQ2

Drought resistanceQ1

Harvest IndexQ1

StomataQ1

Transpiration EfficiencyQ1

Triticum aestivum L.Q1

Water use efficiencyQ1

Abstract

Wheat is a pivotal crop plant in Iran. However, it is mostly grown in drought prone areas of Iran. On the other hand, the trend of global warming is increasing. Therefore, in order to better use the limited water sources, it is needed to improve wheat yield by studying the mechanisms of enhancing Water use efficiency (WUE). This study was conducted to determine the effect of Stomatal conductance (gs) on Water use efficiency and its components in wheat (Triticum aestivum L. ). Seven bread wheat cultivars (Marvdasht, B. C. Roshan, Darab2, Vee/Nac, Shiraz, Chamran, Maroon) were grown in pots under well-watered conditions. The pattern of variation for WUE and its components was different for cultivars. Stomatal conductance showed a positive correlation with total water use, Transpiration Efficiency and grain yield. A path analysis revealed that Transpiration Efficiency had a higher direct effect on grain yield (0. 91) than did Harvest Index (0. 40). Although gs showed a direct effect of almost zero on grain yield, but imposed its effect indirectly via Transpiration Efficiency (0. 47).

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APA: Copy

Mehri, Nastaran, FOTOVAT, REZA, & MOHSENI FARD, EHSAN. (2018). Association between water use efficiency components and stomatal conductance in some Iranian wheat cultivars. JOURNAL OF PLANT PHYSIOLOGY AND BREEDING, 8(2 ), 69-75. SID. https://sid.ir/paper/360758/en

Vancouver: Copy

Mehri Nastaran, FOTOVAT REZA, MOHSENI FARD EHSAN. Association between water use efficiency components and stomatal conductance in some Iranian wheat cultivars. JOURNAL OF PLANT PHYSIOLOGY AND BREEDING[Internet]. 2018;8(2 ):69-75. Available from: https://sid.ir/paper/360758/en

IEEE: Copy

Nastaran Mehri, REZA FOTOVAT, and EHSAN MOHSENI FARD, “Association between water use efficiency components and stomatal conductance in some Iranian wheat cultivars,” JOURNAL OF PLANT PHYSIOLOGY AND BREEDING, vol. 8, no. 2 , pp. 69–75, 2018, [Online]. Available: https://sid.ir/paper/360758/en

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