Document Type : Research Paper
Authors
1 Ph.D. Student in Horticultural Sciences, Membership of Scientific Board, College of Agricultural, Dezful Branch, Islamic Azad University, Dezful Iran,
2 M.Sc. Safi abad Research Centre of Agricultural, Dezful, Iran
Abstract
All of established jujubes genotypes in Fadak Botanic Garden of Dezful belong to Ziziphus spp., and the Rhamnaceae family. Their species are Ziziphus spina-christi and Ziziphus mauritiana or hybrids between them, and they are considered as fruit trees. Because of the differences between fruit traits of mentioned genotypes, fruit and stone morphological traits were examined in this study. For this purpose, 14 morphological traits were measured in fruit and seed genotypes. Cluster analysis included genotypes in five clusters with 2 main genotypes of Ziziphus mauritiana situated in cluster III and 3 stoneless genotypes situated in cluster II. The results of fruit length, diameter, volume, and weight showed significant superiority in "Ghaffari" genotype with 39.4 mm, 23.9 mm, 10.977 cm3 and 11.817 g, respectively. In relation to fruit shape (fruit length /diameter ratio) and pulp percentage, "Bakhtiari" genotype showed significant superiority, with 1.806 and %95.92, respectively. Thus, significant superiority in mentioned traits, which show that the fruits are large, belonged to Z. mauritiana genotypes. Except for acidity that made "Arvand Hybrid" genotype superior, in other traits, significant superiority belonged to Z. spina-christi genotypes. However, some of hybrid genotypes showed superior quantitative and qualitative traits of parents by acceptable extent. Of course, some hybrid genotypes have inherited good qualitative and quantitative characteristics of both species parents, which can bring to them as fruit trees with good market.
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