Study of Genetic Parameters of Pecan Plant (Peganum harmala ) in Some Regions of Western Iran

Article Type:
Research/Original Article (دارای رتبه معتبر)
Pecan (Peganum harmala L.) has many characteristics, such as antibacterial, antioxidant, antifungal, anticancer drugs, etc. In different genetic analyses, the calculation of the genotype correlation coefficient is more important than the phenotype correlation coefficient. Similarly, the use of other genetic parameters (such as heritability, etc.) is very useful in plant breeding projects. Therefore, it is not correct to choose the ecotype (genotype) with the help of other traits without considering the relationship and calculating the correlation between the traits, it strongly affects the desired results. For this research, First, pecan plant samples were identified and collected simultaneously. In this study, the pecan ecotypes identified in habitats (Three habitats in Asadabad-Hamedan including Mousi-Abad Village 1, Mousi-Abad Village 2 and Najaf-Abad Village, and the fourth habitat in Kangavar –Kermanshah include Karkhaneh Village (located in the west of Iran) traits related to the morphology of the pecan plant were evaluated. In order to calculate the genetic correlation and other genetic parameters, the form of random complete block design is designed and implemented with three replications. The genetic correlation coefficients calculated in this study indicated that there is a genetic correlation between traits associated with yield. In addition, the maximum percentage of heritability was assigned to the traits of number of branches per plant (0.99%) and stem diameter (0.99%), and the minimum percentage of heritability was assigned to the traits of number of nodes (0.24%) and fresh weight of a single stem (0.0009%), respectively. The stem diameter trait had the maximal heritability value and also had the maximal genetic advance rate. Also, the traits of number of nodes, fresh weight of whole plant and fresh weight of single stem, in addition to having the lowest heritability, had the lowest genetic advances.
Agrotechniques in Industrial Crops, Volume:4 Issue: 1, Winter 2024
9 to 15  
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