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Biochemical properties and pigment contents of Satureja genotypes affected by plant growth regulators and temperature stress

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Abstract

There is little data, to our knowledge, on the biochemical properties of different Satureja sp. genotypes affected by plant growth regulators (PGR) under temperature stress. A split plot research on the basis of a complete randomized block design with three replicates examining temperature stress (planting dates, 8th of April, May and June) (main factor), and the factorial combination of plant growth regulators (PGR, control (CO), gibberellic acid (GA), fertilization (MI), and amino acid (A)), and genotypes (Khuzestani, Mutika, and Bakhtiari) on plant biochemical properties, was conducted. Plant pigment contents (chlorophyll a, and b and carotenoids (car)), antioxidant activity (catalase (CAT), ascorbate peroxidase (APX) and guaiacol peroxidase (GP)), and leaf protein were determined. Treatments significantly and differently affected the genotypes performance. PD3 and PD1resulted in significantly higher activity of APX (0.059 U. mg−1) and GP (0.190 U. mg−1), respectively (P ≤ 0.05). Temperature stress significantly affected plant CAT activity (U. mg−1) at PD1 (0.084) and PD3 (0.820). Higher temperature significantly enhanced leaf Pro, MI increased plant APX (0.054) and CAT activities (0.111 U. mg−1) significantly, and GA resulted in the highest and significantly different GP activity (0.186 U. mL−1). Treatments T1 and T3 significantly enhanced Chla and Car content, and MI resulted in significantly higher Chlb content (0.085 mg g−1 leaf fresh weight). Car and CAT are the two most sensitive biochemical traits under temperature stress and can more effectively regulate Satureja growth and activity. It is possible to alleviate temperature stress on Satureja biochemical properties by the tested PGR.

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Abbreviations

APX:

Ascorbate peroxidase

Car:

Carotenoids

CAT:

Catalase

GA:

Gibberellic acid

GP:

Guaiacol peroxidase

PGR:

Plant growth regulators

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Acknowledgements

The authors would like to thank very much AbtinBerkeh Scientific Ltd. Company (https://AbtinBerkeh.com), including AbtinBerkeh Academy (https://academy.abtinberkeh.com), Isfahan, Iran, for editing the manuscript and revising it according to the journal format.

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There was not any funding for the research.

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Authors

Contributions

MB conducted the experiments, collected and analysed data, MRN supervised the research, HRJ co-supervised the research, BB co-supervised the research.

Corresponding author

Correspondence to Mohammad Reza Naderi.

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The authors declare they do not have any conflict of interest.

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Bakhshian, M., Naderi, M.R., Javanmard, H.R. et al. Biochemical properties and pigment contents of Satureja genotypes affected by plant growth regulators and temperature stress. 3 Biotech 14, 159 (2024). https://doi.org/10.1007/s13205-024-03953-4

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  • DOI: https://doi.org/10.1007/s13205-024-03953-4

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