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Genetic control and evolutionary potential of a constitutive resistance mechanism against the spruce budworm (Choristoneura fumiferana) in white spruce (Picea glauca)
Published 2018“…Insect herbivory may drive evolution by selecting for trees with heritable resistance against defoliation. The spruce budworm (Choristoneura fumiferana, SBW) is a highly damaging forest insect pest that can affect population structure of white spruce (Picea glauca) in North America. …”
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The effect of spruce stand thinning on biological activity in soil
Published 2003-11-01Subjects: “…spruce…”
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43
Temporal Dynamics of Root Reinforcement in European Spruce Forests
Published 2021-06-01“…In this work we analyse the long-term root reinforcement dynamic of spruce forests combining data of the Swiss National Forest Inventory with data on root distribution and root mechanical properties. …”
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Changes in the mycorrhizal status of some mountain spruce forests
Published 2007-12-01“…In the present study, the defoliation status of spruce stands is related to mycorrhizal conditions and presence of mycorrhizal macromycetes fungi in two localities at the highest sites of the Krkonoše Mts. …”
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The role of biotic factors in spruce decline in the Ukrainian Carpathians
Published 2018-10-01“…First signs of spruce forests decline and their degradation were observed in the last 10-15 years. …”
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The flora of spruce forests in Kisluhinsky Reserve (Altai Krai)
Published 2017-05-01“…Nineteen plant associations with the participation of Siberian spruce (Picea obovata) have been identified and described, which were united in six associations of groups (sedges spruce, horse-tails spruce, greenmoss and grass spruce, ferny spruce, shrubby spruce, and grassy pine-spruce-birch forest).…”
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Determination of the pressing parameters of spruce water-resistant plywood
Published 2007-05-01“…The paper summarizes results of operations aimed at determining the pressing parameters of spruce water-resistant plywood and testing the suitability of particular constructions of plywood. …”
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Creep parameters of spruce wood in high temperature environment
Published 2014-12-01Subjects: Get full text
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Effects of different pressing conditions on properties of spruce plywoods
Published 2006-06-01“…The paper presents results of an institutional research aimed at assessing the effect of different technological conditions in pressing on physical and mechanical properties of plywood sheets. Spruce plywood sheets of the veneer nominal thickness of 3.0 and 3.5 mm were analyzed. …”
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The feasibility of ash and spruce forest plantations in the Northeast of Iran
Published 2021-01-01Subjects: Get full text
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51
Stem Damage Modifies the Impact of Wind on Norway Spruces
Published 2020-04-01Subjects: Get full text
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52
Structure and origin of mountain Norway spruce in the Bohemian Forest
Published 2011-12-01“…This paper compares the present break-up of mountain spruce stands in the Bohemian Forest (in the Šumava Protected Landscape Area) with conditions during their initiation using dendrochronological techniques. …”
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Crown form and harvest increment in pendulous Norway spruce.
Published 1991-01-01“…Crown characteristics and the distribution of three yearsâ (1986â88) biomass production of 20 pendulous Norway spruce ( f. (Lawson) Sylvén) trees with heritable narrow crown and 15 normal-growned spruces ( (L.) …”
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Dynamics and Management of Rising Outbreak Spruce Budworm Populations
Published 2019-09-01Subjects: “…spruce budworm…”
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55
Ésteres triterpênicos de Himatanthus sucuuba (Spruce) Woodson
Published 1998-11-01Get full text
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Bordered Pit Formation in Cell Walls of Spruce Tracheids
Published 2021-09-01“…Sample sections were prepared from spruce stem samples after cryomechanical destruction with liquid nitrogen. …”
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The Norway spruce genome sequence and conifer genome evolution.
Published 2013“…Here we present the draft assembly of the 20-gigabase genome of Norway spruce (Picea abies), the first available for any gymnosperm. …”
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How much birch (Betula papyrifera) is too much for maximizing spruce (Picea glauca) growth: a case study in boreal spruce plantation forests
Published 2012-07-01“…Similarly, growth and yield model projections suggest spruce-birch stands would be more productive up to a threshold birch density (3,000 stems.ha-1) than pure spruce stands. …”
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Within-Site Variation in Seedling Survival in Norway Spruce Plantations
Published 2019-02-01“…Seedling survival was evaluated from inventories of a large set of Norway spruce plantations in privately owned forests in southern Sweden. …”
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