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- Title
Mapping Single Nucleotide Polymorphism Markers Associated with the Pre-Flowering Morphological Performance of Fenugreek under Different Levels of Salt Stress.
- Authors
Dobeie, Amani Mahmoud; Nemr, Rahma A.; Abd El-Wahab, Mustafa M. H.; Shahba, Mohamed; El-Soda, Mohamed
- Abstract
Salinity is a significant factor restricting plant growth and production. The effect of salinity stress on different growth parameters of 111 fenugreek genotypes was examined in an experiment with three salinity levels (0, 3000, 6000 mgL−1). A completely randomized block design with two replicated pots per treatment was used. Non-significant treatment effects were observed on fresh weight (FW); however, all traits showed significant genotype-by-treatment (GxT) interactions. This GxT was reflected in substantial SNP x environment interactions. Of 492 significant SNPs associated with the measured traits, 212 SNPs were linked to the correlated traits using an arbitrary threshold of three. Several SNPs were associated with FW and dry weight, measured under the same salinity treatment. The correlation between both traits was 0.98 under the three salinity treatments. In addition, 280 SNPs with conditional neutrality effects were mapped. The identified SNPs can be used in future marker-assisted breeding programs to select salt-tolerant genotypes. The results of this research shed light on the salt-tolerant properties of fenugreek.
- Subjects
FENUGREEK; SINGLE nucleotide polymorphisms; ABIOTIC stress; PLANT morphology; PLANT growth; PLANT variation
- Publication
Stresses, 2024, Vol 4, Issue 2, p282
- ISSN
2673-7140
- Publication type
Article
- DOI
10.3390/stresses4020017