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Exogenous Application of Trehalose Improves the Physiological Status of Wheat cv. Giza 168 grown under Stress

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Last updated: 01 Jan 2025

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Abstract

 RESPONSE of Triticum aestivum (cv. Giza 168) to drought ……...stress and the application, of the inevitable protective effect of exogenous application of trehalose was investigated. Drought reduced the plant growth parameters (dry weights, area of leaves) and photosynthetic pigments. Conversely, drought caused an increase in the levels of proline, lipid peroxidation, peroxidases and endogenous trehalose. The levels of endogenous IAA and GA3 were decreased in drought-stressed plants, however the level of ABA was increased by more than 3-fold of control plants. Specific activity of trehalose -6- phosphate synthase, which is one of the two enzymes that participates in synthesizing trehalose in plants by the production of trehalose-6-phosphate; was increased by 3-fold of control in root of the drought-stressed plants. On the other hand, the specific activity of trehalase was drastically decreased. Pre-treatment of wheat plant with 40 mM trehalose -by irrigation- improved the above mentioned morphological and physiological parameters to retained them almost near the control. Thus, pre-treatment with 40 mM trehalose alleviated the harmful effect of drought stress on the test wheat cultivar.

DOI

10.21608/ejbo.2016.2722

Keywords

Triticum aestivum, Drought stress, trehalose, Trehalose-6-phosphate synthase, Trehalase, proline, Lipid peroxidation, Electrolyte leakage, Antioxidant enzymes, Phytohormones

Volume

56

Article Issue

3

Related Issue

507

Issue Date

2016-09-01

Receive Date

2016-01-18

Publish Date

2016-09-30

Page Start

627

Page End

646

Print ISSN

0375-9237

Online ISSN

2357-0350

Article File

EJBO_Volume 56_Issue 3_Pages 627-646.pdf

PDF . 589.8kB

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https://ejbo.journals.ekb.eg/article_2722.html

Detail API

https://ejbo.journals.ekb.eg/service?article_code=2722

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5

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Original Article

Type Code

111

Publication Type

Journal

Publication Title

Egyptian Journal of Botany

Publication Link

https://ejbo.journals.ekb.eg/

MainTitle

Exogenous Application of Trehalose Improves the Physiological Status of Wheat cv. Giza 168 grown under Stress

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Article

Created At

22 Jan 2023