Effect of moisture regimes on yield and water use efficiency in three wheat cultivars in karaj

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Salehi Farshad; AHMADI ALI; BASIRI REZA; Mirabzadeh Mojtaba

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Journal: Iranian Journal of Field Crop Science Year:2019 | Volume:49 | Issue:4 Page(s): 25-34

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Information Journal Paper

Title

Effect of moisture regimes on yield and water use efficiency in three wheat cultivars in karaj

Author(s)

Salehi Farshad | AHMADI ALI | BASIRI REZA | Mirabzadeh Mojtaba | Issue Writer Certificate

Keywords

Grain yieldQ2

harvest indexQ2

wheatQ2

pan evaporationQ2

water use efficiencyQ2

Abstract

The study was conducted at the research field of Agriculture College and Natural Resources of the University of Tehran as a factorial experiment based on RCBD with three replications in 2014-2015. The aim was to determination the optimum moisture regimes for maximum yield and water use efficiency in wheat plants. Three varieties of wheat (Pishtaz, Sivand and Parsi), and 12 moisture regimes (70, 90, 110 and 130 mm cumulative evaporation at vegetative growth stage and 90, 110 and 130 at reproductive growth stage). The moisture levels were applied based on the evaporation rate from class A evaporation pan and considering the soil moisture content. The main effects of cultivar and moisture regimes had significant effects on the all studied traits. The highest yield was recorded for Pishtaz cultivar that was resulted from the highest Grain yield as well as the highest number of grains, 1000-grain weight and harvest index. The highest yield was observed in control moisture regime (T79), and increasing the time of irrigation intervals from 70 to 90, 110 or 130 mm cumulative evaporation from pan evaporation class A, Grain yield decreased approximately 15, 19 and 27%, respectively. However, among irrigation treatment group of vegetative growth stage (70, 90, 110 and 130), increasing the irrigation intervals from 90 to 110 and 130 mm cumulative evaporation at reproductive growth stage, did not cause a significant reduction in Grain yield. These results indicated the relative resistance of wheat to water deficit at the reproductive growth stage. So, it seems that the gradual decrease in yield due to increasing the irrigation intervals, determine a balance point between the cost of extra water consumption and the revenue generated by the additional yield.

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APA: Copy

Salehi, Farshad, AHMADI, ALI, BASIRI, REZA, & Mirabzadeh, Mojtaba. (2019). Effect of moisture regimes on yield and water use efficiency in three wheat cultivars in karaj. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 49(4 ), 25-34. SID. https://sid.ir/paper/399084/en

Vancouver: Copy

Salehi Farshad, AHMADI ALI, BASIRI REZA, Mirabzadeh Mojtaba. Effect of moisture regimes on yield and water use efficiency in three wheat cultivars in karaj. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2019;49(4 ):25-34. Available from: https://sid.ir/paper/399084/en

IEEE: Copy

Farshad Salehi, ALI AHMADI, REZA BASIRI, and Mojtaba Mirabzadeh, “Effect of moisture regimes on yield and water use efficiency in three wheat cultivars in karaj,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 49, no. 4 , pp. 25–34, 2019, [Online]. Available: https://sid.ir/paper/399084/en

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