Parhizkar, P., Ali Ahmad Korori, S., Moraghebi, F., Teimouri, M., Torabian, Y., Manouchehri, N. (2008). Seasonal alteration of peroxidase in branch and leaves of Eucalyptus viminalis Labill.. , 16(3), 377-368.
Pejman Parhizkar; Soodabea Ali Ahmad Korori; Farhang Moraghebi; Maryam Teimouri; Yoosof Torabian; Negin Manouchehri. "Seasonal alteration of peroxidase in branch and leaves of Eucalyptus viminalis Labill.". , 16, 3, 2008, 377-368.
Parhizkar, P., Ali Ahmad Korori, S., Moraghebi, F., Teimouri, M., Torabian, Y., Manouchehri, N. (2008). 'Seasonal alteration of peroxidase in branch and leaves of Eucalyptus viminalis Labill.', , 16(3), pp. 377-368.
Parhizkar, P., Ali Ahmad Korori, S., Moraghebi, F., Teimouri, M., Torabian, Y., Manouchehri, N. Seasonal alteration of peroxidase in branch and leaves of Eucalyptus viminalis Labill.. , 2008; 16(3): 377-368.

Seasonal alteration of peroxidase in branch and leaves of Eucalyptus viminalis Labill.

تحقیقات جنگل و صنوبر ایران
Article 4, Volume 16, Issue 3 - Serial Number 33, December 2008, Pages 377-368    PDF (219.68 K)
Document Type: Research article
Authors
Pejman Parhizkar* 1; Soodabea Ali Ahmad Korori2; Farhang Moraghebi3; Maryam Teimouri4; Yoosof Torabian5; Negin Manouchehri6
1P.D. Candidate of Forestry. Tehran Azad Islamic University. Research and Science Branch
2Associate Prof. Research Institute of Forests and Rangelands
3Assistant Prof. Azad Islamic University. Shahr-e-Rey branch
4Senior Research Expert, Research Institute of Forests and Rangelands
5Senior expert, Azad Islamic University. Lahijan branch
6M.Sc. of Forestry, Faculty of Natural resources. Tehran University
Abstract
     The morphology of deciduous plants changes seasonally. In addition, deciduous and ever-green plants encounter with internal changes as a consequence of seasons. Enzymes activities alter with changes of temperature, drought and salinity. Plants adapt to environmental changes with alteration of enzymes activities. In this study, the peroxidase activity was measured in leaves and shoots of Eucalyptus viminalis during a year. Peroxidase activity was measured by spectrophotometer (530 nm) by use of Worthington method. Data were analyzed to determine statistical relationship in peroxidase activity of individual trees and seasonal changes of enzyme activity by SPSS software. Results showed that peroxidase activity was different in individual trees. The difference of peroxidase activity in different individual trees was little in April, July and January but differences were higher in September and November. The peroxidase activity decreased in all individual trees from April to July. Peroxidase activity of leaves was higher than those of branches in all of studied months. There was negative correlation between some month of peroxidase activity (α<0.05). There was not any correlation between leaves and branches peroxidase activity. Individuals were classified to three classes according to their peroxidase activities using JMP software (centroid method).
Keywords
Enzyme; Eucalyptus viminalis; peroxidase; Spectrophotometer; seasonal alternation
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