Seed Priming with 24-Epibrassinolide Alters Growth and Phenylpropanoid Pathway in Flax in Response to Water Deficit
Publish Year: 1399
Type: Journal paper
Language: English
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Document National Code:
JR_JASTMO-22-4_012
Index date: 14 November 2023
Seed Priming with 24-Epibrassinolide Alters Growth and Phenylpropanoid Pathway in Flax in Response to Water Deficit abstract
The aim of the present study was to determine the effects of seed priming with 24-Epibrassinolide (EBR) (10-8 M) on growth, biochemical, and molecular characteristics of Linum usitatissimum L. seedlings under Polyethylene Glycol (PEG) induced drought stress conditions. Imposition of flax seedlings to 6, 12, and 18% PEG declined germination rate, shoot length, root length, fresh and dry weights, and significantly increased phenolic content and PAL (Phenylalanine Ammonia Lyase) enzymatic activity while lowering flavonoid content. Application of EBR significantly increased the germination rate, shoot and root lengths, dry weight, fresh weight, and anthocyanin content whereas reduced phenolic content. At the molecular level, CHS (Chalcone Synthase) and PAL (Phenylalanine Ammonia Lyase) transcripts were upregulated under drought stress and even more expressed by application of EBR. In conclusion, EBR pre-sowing seed priming considerably alleviated damages caused by drought stress and improved growth parameters in Linum usitatissimum L. seedlings.
Seed Priming with 24-Epibrassinolide Alters Growth and Phenylpropanoid Pathway in Flax in Response to Water Deficit Keywords:
Seed Priming with 24-Epibrassinolide Alters Growth and Phenylpropanoid Pathway in Flax in Response to Water Deficit authors
P. Aghaee
Department of Biology, Faculty of Sciences, Urmia University, Urmia, Islamic Republic of Iran.
F. Rahmani
Department of Biology, Faculty of Sciences, Urmia University, Urmia, Islamic Republic of Iran.
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