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Root system development in naturally regenerated Douglas-fir saplings as influenced by canopy closure and crowding
natural regeneration competition shading physical tree stability
2015/9/15
Documented information on the growth dynamics and related silvicultural manipulation of naturally
regenerat ed Douglas-fir beneath a canopy shelter is scarce. We hypothesized that long regeneration ...
The extent of root rot damage in Norway spruce stands established on fertile sites of former agricultural land
afforestation of agricultural land Kruž berk area Luž ná area Norway spruce root rot
2015/3/20
The aim of this study was to compare the degree of root rot damage in two large complexes of Norway spruce stands established on former agricultural land at fertile sites. The root rot infection was o...
Effects of pressure on the root systems of Norway spruce plants (Picea abies[L.] Karst.)
root growth stress pressure RAI Picea abies(L.) Karst
2015/2/6
Roots are stressed quire often under natural conditions, e.g. when considering sloping terrain, layers of fluvial deposits, huge layers of melting snow, load of heavy forest machinery during logging a...
Root decays as a potential predisposition factor of a bark beetle disaster in the Šumava Mts.
Armillaria bark beetle Ips typographus
2015/1/29
Root decay infection and potential relations to Ips typographus L. outbreaks in the Šumava Mts. (Bohemian Forest) were monitored in 3 permanent sample plots. As an originator of root decays honey...
The role of root system in silver birch (Betula pendula Roth) dieback in the air-polluted area of Krušné hory Mts
Betula pendula Roth root system air pollution
2015/1/29
120 root systems and trunks of 20 years old birch trees and 60 root systems and trunks of 15 years old birch trees affected by defoliation and with no visual symptoms of damage were analyzed in the ai...
British Columbia抯 Northern Interior Forests: Warren Root Collar Weevil Stand Establishment Decision Aid
duff reduction strategies Hylobius warreni lodgepole pine pests managing pine plantations pest hazard ratings stem girdling Warren root collar weevil
2010/8/31
Warren root collar weevil (Hylobius warreni) is a commonly occurring insect found in most of British Columbia and as far north as the Northwest Territories. This weevil affects many tree species and i...
Variability in antagonistic activity and root colonizing behaviour of Trichoderma Isolates
Antagonistic activity Cicer arietinum Root exudates Rhizosphere Non-rhizosphere colonization
2009/2/19
Antagonistic activity and root colonizing behaviour of 10 Trichoderma isolates collected from different agro-ecological zone of West Bengal were evaluated. Of these, T. viride from Bishnupur (red and ...
Armillaria Root Disease Stand Establishment Decision Aid
Armillaria Root Disease Establishment Decision Aid
2009/2/11
In the Southern Interior of British Columbia, Armillaria (Armillaria ostoyae) root disease (DRA) causes considerable losses in immature stands by killing natural and planted coniferous trees. Tree mor...
Laminated Root Rot Forest Health Stand Establishment Decision Aid
forest health forest management laminated root rot Phellinus weirii root disease management
2009/2/5
Laminated root rot (Phellinus weirii) is the most prominent root disease of Douglas-fir in coastal coniferous forests and is endemic throughout its host’s range in British Columbia. The disease spread...
