Investigation of genetic diversity of wild pistachio using fruit and leaf morphological characteristics

Document Type : Research Paper

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Abstract

In order to study genetic diversity of wild pistachio in Khalkhal, six forest sites, and 20 female trees per site were selected in which leaf and seed samples were collected. Seven characteristics were recorded on fruits and leaves. The resulted data were analysed and means compaired by Dancans Test. For determination of between characters the correlation Coefficients calculated and for grouping of areas on the basic the studied characteristics, cluster analysis were accomplished. the studied sites for all of genetic characteristics (except leaf length) showed significant difference. the average leaf length, leaf weight and leaf area, were 11.46 cm, 0.79 Gram and 34.12 cm, respectively. and the average fruit length, fruit width, seedless percentage, cluster length and seed per cluster were 6.25 mm. 5.36 mm, 82.96, 9.12 and 25.8 respectively. The results correlation between characteristics of leaf and fruit showed that, leaf area was positively correlated with leaf weight and 100 fruit weight was positively correlated with leaflet length and width fruit dimonsions in this species. The results of cluster analysis based on similarities percentage studied groups showed that, sites were classified in two groups including Nodeh, Jafarabad groups and Kadirag, Mazraeh, Baneh khakhal, Nimhil group. Totally, the genetic diversity was low evaluated in these habitats.
 

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