Allel variation for markers related to physical and chemical quality of rice under flood and drought stress conditions

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MIRI S.; SABOURI H.; EBADI A.A.; SAJADI S.J.

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Journal: Environmental Stresses in Crop Sciences Year:2020 | Volume:13 | Issue:3 Page(s): 667-682

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Information Journal Paper

Title

Allel variation for markers related to physical and chemical quality of rice under flood and drought stress conditions

Author(s)

MIRI S. | SABOURI H. | EBADI A.A. | SAJADI S.J. | Issue Writer Certificate

Keywords

Allele diversityQ2

Association analysisQ1

QualityQ2

RiceQ2

SSR markersQ1

Abstract

The main source of Rice is more than half the world's population and plays an important role in feeding this population. Because, grain Rice is consumed, its Quality is of particular importance. In order to study the physical and chemical Quality of Rice grain, 90 Rice genotypes were planted under normal conditions and drought stress in the Gonbad-e-Kavos University research farm at 2015-2016. In this research, grain length, grain width, grain size, grain size, Equilibrium grain balance, Eccentricity, circumference, amylose content, protein percentage and gelatinization temperature were measured. The result of microsatellite markers indicate that there were 54 multivariate alleles and also an average of 4. 9 alleles per marker, with the highest number of RM333 and RM589 markers with 7 alleles. The analysis of the principle coordinates of the SSR markers showed that the first 10 components were able to explanation 55. 58 percent of the variation. The determination of the band pattern of the genotypes showed that under normal conditions for genotypes, 216L, IR59673-93-2-3 and AZUCENA. BALA. 225 genotypes had the highest amylose content (25. 8%, , 25. 2 and 24. 5% respectively). The results of the analysis of the relationship between the traits measured with the markers used in this experiment showed that among the 104 effective alleles to evaluate the traits, the gelatinization temperature under normal conditions was affected by three alleles and amylose and protein content are both affected by two alleles. The RM587-B allele controls both the gelatinization temperature and the protein content in normal conditions and is significant at 1% level. Among the traits related to Rice Quality in normal conditions, the RM587-B allele was effective in controlling the gelatinization temperature and protein content. According to the results obtained from this assessment, these traits can be used in breeding programs.

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APA: Copy

MIRI, S., SABOURI, H., EBADI, A.A., & SAJADI, S.J.. (2020). Allel variation for markers related to physical and chemical quality of rice under flood and drought stress conditions. ENVIRONMENTAL STRESSES IN CROP SCIENCES, 13(3 ), 667-682. SID. https://sid.ir/paper/389406/en

Vancouver: Copy

MIRI S., SABOURI H., EBADI A.A., SAJADI S.J.. Allel variation for markers related to physical and chemical quality of rice under flood and drought stress conditions. ENVIRONMENTAL STRESSES IN CROP SCIENCES[Internet]. 2020;13(3 ):667-682. Available from: https://sid.ir/paper/389406/en

IEEE: Copy

S. MIRI, H. SABOURI, A.A. EBADI, and S.J. SAJADI, “Allel variation for markers related to physical and chemical quality of rice under flood and drought stress conditions,” ENVIRONMENTAL STRESSES IN CROP SCIENCES, vol. 13, no. 3 , pp. 667–682, 2020, [Online]. Available: https://sid.ir/paper/389406/en

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