Comparative biochemical analysis of centuries-old trees and 55-year old plantations of Quercus robur growing in the territory of National Park “Svyati Gory”
Journal Title: Лісівництво і агролісомеліорація - Year 2012, Vol 121, Issue
Abstract
Biochemical analysis of content of protein and some groups of secondary metabolites in pedunculate oak leaves for centuries-old trees and 55-year old plantations was made together with entomological analysis of the composition for dominant leaf-eating insects in summer 2012. Damage of 55-year plantations by Erannis defoliaria Cl. and Altica quercetorum Foud. was 6 and 2 times higher than that of the centuries-old oak trees. Biochemical analysis showed differences between these two groups of trees: content of protein differed on 6 %, hydrolysable tannins – on 23.6 %. The most significant difference was noticed for the content of condensed tannins – 2,5 times higher in leaves of centuries-old trees. According to publications, condensed tannins are able to decrease survival of herbivore larvae. It may be one of the reasons of more severe damage of 55-year old plantations with some number of drying trees.
Authors and Affiliations
L. Polyakova, S. Gamayunova, P. Jurova
Keywords
Related Articles
- EP ID EP218027
- DOI -
- Views 141
- Downloads 0
Features of basic wood density dynamics for stem wood of European spruce in prevailing forest site types on the territory of Poloninskyy ridge (Ukrainian Carpathians)
The European spruce (Picea abies L.) stands were studied in the territory of Poloninskyy Ridge in Ukrainian Carpathians in moist fairly fertile (C3) and moist fertile (D3) prevailing forest site types (FST). The peculiar...
Peculiarities of adverse environmental effects’ manifestations in agricultural landscapes of southeastern ravine steppe and the role of protective forest plantations in their prevention
The results of the impact of adverse environmental effects on agricultural landscapes of the southeastern part of the northern (ravine) steppe are investigated. The effects led to significant violations in environmental...
Peculiarities of growth of Pinus sylvestris L. in "bor" forest site conditions on moraine deposits in the SE "Malyn Forestry"
Peculiarities of growth of Scots pine in the bors on moraine deposits in the SE "Malyn forestry" were investigated. Using forest inventory data, distribution of pine stands was analyzed by age groups, stock, density and...
Resources for increased functionality of MapInfo GIS to automate and increase the efficiency of electronic maps generating in forestry
The paper deals with means to extend the functionalities of MapInfo GIS for increase of efficiency of electronic maps generating in forestry.The methods of approximate solutions of inconsistent system of linear equations...
Silver birch (Betula pendula Roth) in the forests of the Left-bank Forest Steppe of Ukraine
The area of birch stands in the forest resources of forest enterprises, which are entirely located in the Left-bank Forest Steppe, amounts from 86.1 hectares (the State Enterprise "Chuguevo-Babchanske Forestry") to 554.3...