The Effect of Auxin Hormone Priming on Seed Germination Indices and Seedling Growth of Triticale (Sanabad Cultivar) under Salt Stress

Document Type : Original Article

Authors

1 MSc. graduated, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran

2 Department of Agronomy and Plant Breeding, Faculty of Agriculture , Khouzestan agricultural and natural resources university, khouzestan, Iran

3 Plant Production and Genetics Department, Agriculture Faculty, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran

4 Department of Plant production of Genetics, Khuzestan University of Agricultural Sciences and Natural Resources.

Abstract

In order to study the effect of auxin hormone priming on seed germination indices and seedling growth of triticale under salt stress, an experiment was carried out as a factorial experiment in a completely randomized design with four replications in seed science and technology laboratory of plant production and genetics engineering department of Agriculture Sciences and Natural Resources University of Khuzestan in 2018. Experimental factors were auxin hormone priming (control (no priming), 5 μM auxin in 3 hours, 10 μM auxin in 3 hours, 20 μM auxin in 3 hours, 40 μM auxin in 3 hours, 5 μM auxin in 6 hours, 10 μM auxin in 6 hours, 20 μM auxin in 6 hours and 40 μM auxin in 6 hours) and different salinity levels (include 0, 4, 8, 12, 16 and 20 dS/m). The analysis of variance showed that the effect of priming, salinity stress and the interaction effect of them were significant on all measured traits (except germination percetage) in 1 percent probability level. The comparison of means showed that salinity stress decreased germination traits but hormone priming reduced the negative effect of salinity stress and improved different germination indices. Also, the best concentration of Auxin hormone priming was at 20 μM for 3 hours.

Keywords

References

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Iranian Journal of Seed Science and Technology
Volume 12, Issue 2 - Serial Number 30
Winter of 2023
July 2023
Pages 1-12

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