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Paper Information

Journal:   IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH   WINTER 2007 , Volume 14 , Number 4 (26); Page(s) 292 To 305.
 
Paper: 

ROLE OF ENZYMATIC STUDIES IN CLASSIFICATION OF WILD SERVICE (SORBUS TORMINALIS L.) ECOTYPES

 
 
Author(s):  IRANMANESH Y.*, ALI AHMAD KOROURI S., EMADIAN S.F.A., AZADFAR D., ESPAHBODI K.
 
* RESEARCH CENTER OF AGRICULTURAL AND NATURAL RESOURCES OF CHAHARMAHAL VA BAKHTIARI PROVINCE
 
Abstract: 
This research was carried out to investigate the role of enzymes in ecological and physiogenetical studies in management and rehabilitation of wild service trees (Sorbus torminalis). The two studied sites are located in Sangdeh (1700-1800 m.a.s.l.) and Ashak (2200-2350 m.a.s.l.) in Farim region of Caspian Forest. Wild service trees were identified and classified into two "desirable" and "undesirable" morphological groups. Then, one-year-old branches were sampled from the 41 selected trees in winter. In addition, seeds were collected from the trees and sowed in special containers at nursery. Sampling from different organs of the trees was made in the fol1owing summer and peroxidase enzyme was extracted immediately for quantitative and qualitative enzymatic studies. The results showed that only one ecotype could be identified in the whole region, which could be seperated into three classes. Comparison of isoenzymatical patterns of the leaf and branch showed specific isoenzymes in the leaves and branches of seedlings. Comparison of isoenzymatical patterns of different organs, represented differences in qualitative and quantitative enzymatic patterns. With regards to the natural ecosystem of the region, the genetic diversity of the studied individuals has been limited. Therefore, the extinction danger of wild service trees is brought to notice.
 
Keyword(s): ECOTYPE, ISOENZYME, PEROXSIDASE, PHYSIOGENETIC, WILD SERVICE (SORBUS TORMINALIS)
 
References: 
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