Investigating Genetic Diversity of Imported Quinoa (Chenopodium quinoa Willd) Genotypes Using Morphological-Phenological Traits

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Sourilaki Ebrahim; Rabiei Babak; Hosseini Chaleshtori Maryam; Jokarfard Vahid

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Journal Paper

Paper Information

Journal: Iranian Journal of Field Crop Science Year:2024 | Volume:55 | Issue:1 Page(s): 49-61

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Information Journal Paper

Title

Investigating Genetic Diversity of Imported Quinoa (Chenopodium quinoa Willd) Genotypes Using Morphological-Phenological Traits

Author(s)

Sourilaki Ebrahim | Rabiei Babak | Hosseini Chaleshtori Maryam | Jokarfard Vahid | Issue Writer Certificate

Keywords

Dwarfism

earliness

Genetic diversity

Yield and Yield components

Abstract

Considering the high production potential of quinoa plant, especially under stressful conditions such as drought and salinity, it is necessary to introduce new and high-yielding genotypes for cultivation in different regions of Iran. The objective of this research was to evaluate the diversity of 26 new and foreign quinoa genotypes in terms of morphophenological characteristics. The experiment was carried out in a completely randomized design with three replications in greenhouse of Rice Research Institute of Iran (RRII), Rasht, in 2021. The results of analysis of variance showed that there was a very significant statistical difference among the studied genotypes for all measured traits. Factor analysis using the principal components method identified three main and independent factors that explained 39.19, 24.63, and 15.94%, respectively, and in total about 80% of the total variance. In addition, cluster analysis based on Ward's minimum variance grouped the studied 26 quinoa genotypes into three separate clusters; including 14, 7, and 5 genotypes, which very largely corresponded to grouping of the principal components. In total, the results of the current study showed that among the studied 26 quinoa genotypes, genotype No. 12 with 1000-grain weight, panicle length, and grain yield higher than the other genotypes as well as Dwarfism and earliness characteristics was the most valuable genotype of this experiment. Furthermore, genotypes No. 4, 8, 17, and 18 for grain yield, genotypes No. 7, 13, and 15 for earliness, and genotype No. 14 for Dwarfism, were the promising genotypes of this research, which can be used to transfer earliness and Dwarfism to high-yielding genotypes in future breeding programs.

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