EFFECT OF SALICYLIC ACID AND ETHEPHON ON SEED GERMINATION AND SEEDLING GROWTH OF WHEAT UNDER SALT STRESS

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SHAKERI SOHEYLA; SAEID NEMATPOUR FATEMEH; SAFIPOUR AFSHAR AKBAR

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE) Year:2016 | Volume:10 | Issue:3 (39) Page(s): 779-790

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Title

EFFECT OF SALICYLIC ACID AND ETHEPHON ON SEED GERMINATION AND SEEDLING GROWTH OF WHEAT UNDER SALT STRESS

Author(s)

SHAKERI SOHEYLA | SAEID NEMATPOUR FATEMEH | SAFIPOUR AFSHAR AKBAR | Issue Writer Certificate

Keywords

α-AMYLASEQ2

CEREALSQ1

ETHYLENEQ2

GERMINATIONQ2

PROLINEQ2

SALINITYQ2

Abstract

Water or soil salinities are the most important factors that reduce the seed GERMINATION of plants. Ethephon can break seed dormancy in a variety of plants, such as CEREALS and speeds up GERMINATION. In some plants pretreatment of seeds with salicylic acid has increased the GERMINATION percentage. To study effect of salicylic acid and ethephon on seed GERMINATION of wheat (Seivand cultivar) under SALINITY condition a factorial experiment in a completely randomized design with three replications was conducted at the Plant Research Laboratory of Neyshabur Branch of Islamic Azad University in 2011. Four SALINITY levels (0, 50, 100, 150 mM), three salicylic acid levels (0, 0.5, 1 mM) and four ethephon levels (0, 0.5, 1, 2 mM) were used. The results showed that at SALINITY condition seed GERMINATION rate and percentage, shoot and root length, their dry weight and α-amylase activity decreased and PROLINE content increased. Pretreatment of seeds by salicylic acid increased seed GERMINATION percentage, some growth parameters, α-amylase activity and PROLINE content under SALINITY condition.Moreover, pretreatment of seeds by ethephon decreased some growth parameters and increased PROLINE content but its effect on GERMINATION and α-amylase activity were not significant. It seems that Salicylic acid as a plant growth regulator under SALINITY condition and ethephon convertion to ETHYLENE, activated plant tolerance mechanisms to SALINITY condition and decrease damaging effect of SALINITY on seed GERMINATION and seedling growth of wheat.

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APA: Copy

SHAKERI, SOHEYLA, SAEID NEMATPOUR, FATEMEH, & SAFIPOUR AFSHAR, AKBAR. (2016). EFFECT OF SALICYLIC ACID AND ETHEPHON ON SEED GERMINATION AND SEEDLING GROWTH OF WHEAT UNDER SALT STRESS. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), 10(3 (39) ), 779-790. SID. https://sid.ir/paper/182940/en

Vancouver: Copy

SHAKERI SOHEYLA, SAEID NEMATPOUR FATEMEH, SAFIPOUR AFSHAR AKBAR. EFFECT OF SALICYLIC ACID AND ETHEPHON ON SEED GERMINATION AND SEEDLING GROWTH OF WHEAT UNDER SALT STRESS. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)[Internet]. 2016;10(3 (39) ):779-790. Available from: https://sid.ir/paper/182940/en

IEEE: Copy

SOHEYLA SHAKERI, FATEMEH SAEID NEMATPOUR, and AKBAR SAFIPOUR AFSHAR, “EFFECT OF SALICYLIC ACID AND ETHEPHON ON SEED GERMINATION AND SEEDLING GROWTH OF WHEAT UNDER SALT STRESS,” JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), vol. 10, no. 3 (39) , pp. 779–790, 2016, [Online]. Available: https://sid.ir/paper/182940/en

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