Original research article
Study on Some Morphological Characteristics of Progenies from Controlled Crosses in Almond Commercial Cultivars (Prunus dulcis Mill.)
2025, 90 (4) p. 309-320
Abstract
Some phenological and morphological characteristics in three populations (150 progenies from each population) were evaluated with cross combinations of 'Sefied' (male)×'Shahrood-16' (female), 'Shahrood-12' (male)×'Shahrood-16' (female) and 'Marcona' (male)×'Shahrood-12' (female). Progenies showed a significant difference in most traits such as seedling height, leaf area, growth vigor, trunk diameter, branch density and angle as well as leafing date. According to the results of descriptive statistics, high diversity coefficients among populations and evaluated traits were observed. The results of simple correlation analysis showed significant correlations between some leaf characteristics and growth parameters, such as seedling height, trunk diameter, and canopy width. There was a significant correlation between branch angle, seedling height, and canopy width with growth habit. The results of the principal component analysis showed that five main and independent components described 71.9% of the variance, and the seedling height, growth vigor, leaf area, canopy width, and leafing date traits showed a high correlation in the main components. Cluster analysis between populations based on all traits showed that the first and second populations with the same female parent ('Shahrood 16') had higher similarity than the third population. T he cross-combinations with the same female parent were placed in the same group, which shows the female parent has more effect than the male parent in the inheritance of traits.
Keywords
almond, cluster analysis, correlation, diversity, population
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