Investigation the effect of irrigation cut off in different irrigation periods on yield and physiological indicators of four maize cultivars

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FARROKHI GH.; MOAVENI P.; MOZAFARI H.; MAJIDI HERAVAN E.; SANI B.

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Journal: CROP PHYSIOLOGY Year:2019 | Volume:11 | Issue:3 (43) Page(s): 25-45

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Title

Investigation the effect of irrigation cut off in different irrigation periods on yield and physiological indicators of four maize cultivars

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CornQ2

Growth Index and Water use efficiencyQ1

Abstract

Due to the necessity of saving water resources, in order to investigate the new maize cultivars to reduce the negative effect of water shortage, a split plot experiment based on randomized complete blocks design with three replications at Arak Islamic Azad University in 2015-2016 and 2016-2017 cropping years was carried out. Different irrigation treatments including I1 (7 days, area custom), I2 (10 days), I3 (12 days), I4 (14 days) once to the end of the period, plant irrigation cut off after seedling establishment from 3 to 7 leaf stage and after that irrigation interval I5 (10 days), I6 (12 days) and I7 (14 days) were compared once in the main plots and four maize cultivars including single cross 704 control, 703, 705 and 706 in the sub plots. Irrigation treatments and maize hybrids had significant effect on yield and physiological parameters. Decreasing irrigation level decreased yield, relative water content and chlorophyll concentration in leaves compared to control treatment. In irrigation interval interaction and cultivars, single cross 703 showed the highest mean to maintain yield and growth indices in irrigation intervals I1 to I3, while single cross 705 showed superiority to other cultivars in irrigation intervals I4 to I7. In all irrigation periods, single cross 704 was recorded with the lowest power compared to other cultivars. The highest water use efficiency was related to 705 cultivar in I5 irrigation interval with 54. 39 percent superiority compared to control irrigation interval treatment and 704 cultivar.

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APA: Copy

FARROKHI, GH., MOAVENI, P., MOZAFARI, H., MAJIDI HERAVAN, E., & SANI, B.. (2019). Investigation the effect of irrigation cut off in different irrigation periods on yield and physiological indicators of four maize cultivars. CROP PHYSIOLOGY, 11(3 (43) ), 25-45. SID. https://sid.ir/paper/364857/en

Vancouver: Copy

FARROKHI GH., MOAVENI P., MOZAFARI H., MAJIDI HERAVAN E., SANI B.. Investigation the effect of irrigation cut off in different irrigation periods on yield and physiological indicators of four maize cultivars. CROP PHYSIOLOGY[Internet]. 2019;11(3 (43) ):25-45. Available from: https://sid.ir/paper/364857/en

IEEE: Copy

GH. FARROKHI, P. MOAVENI, H. MOZAFARI, E. MAJIDI HERAVAN, and B. SANI, “Investigation the effect of irrigation cut off in different irrigation periods on yield and physiological indicators of four maize cultivars,” CROP PHYSIOLOGY, vol. 11, no. 3 (43) , pp. 25–45, 2019, [Online]. Available: https://sid.ir/paper/364857/en

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