Epidemiology and Ecological Distribution of Tree Tumors in the Territory of Landscape Reserve “Teply stan”

Duran Kala

Abstract


This study focuses tumors of woody trees in the territory of landscape reserve “Teply stan” in Moscow. Abnormal swellings on the trunk of woody trees are called Tumor. Formation of a swell is an evidence of an infringement of metabolism in a tree's body, is a disease of a tree and is a cause of a tree's premature death. Tumor prevents transportation of water and minerals from roots towards the leaves of a tree and transportation of organic matters from the leaves towards roots. The purpose of this study is to find out some appropriatenesses of spreading of tumors of trees in the landscape reserve “Teply stan”.

In this study, landscape reserve divided into 9 study sections according to ecological conditions. Surveillance of all trees and statistical analysis of tumor trees in studied section of landscape reserve have done. The results showed that 57 of the counted 25 thousands trees have tumors. 50 of the tumors trees are belong to birch (Betula pendula).Trees with tumors are distributed non-uniformly, generally in central and east parts of landscape reserve that had ecologic pollution. Mainly birch (Betula pendula), oak (Quercus rubor) and linden (Tilia cordata) are damaged by tumors in the studied territory. The most effected trees with tumors are birch (Betula pendula) tree population. The direct proportion between ecological situation and the number of tumors have found.


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DOI: https://doi.org/10.5539/ijb.v8n1p42

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