Showing 1 - 20 results of 2,409 for search '"spruce"', query time: 0.09s Refine Results
  1. 1

    Hydroxyacetophenone defenses in white spruce against spruce budworm by Parent, GJ, Méndez-Espinoza, C, Giguère, I, Mageroy, MH, Charest, M, Bauce, É, Bohlmann, J, MacKay, JJ

    Published 2019
    “…<p>We review a recently discovered white spruce (<em>Picea glauca</em>) chemical defense against spruce budworm (<em>Choristoneura fumiferana)</em>&nbsp;involving hydroxyacetophenones. …”
    Journal article
  2. 2

    Survival-time analysis of white spruce during spruce budworm defoliation by Magnussen, Steen, Alfaro, René, Boudewyn, Paul

    Published 2005-01-01
    “…Mortality and defoliation (DF%) in 987 white spruce (Picea glauca (Moench) Voss) trees were followed from 1992 to 2003 during an outbreak of the spruce budworm Choristoneura fumiferana (Clem.) in 15 white-spruce-dominated uneven-aged stands in the Fort Nelson Forest District near Prince George, British Columbia. …”
    Get full text
    Article
  3. 3
  4. 4

    Association genetics of acetophenone defence against spruce budworm in mature white spruce. by Lamara, M, Parent, GJ, Giguère, I, Beaulieu, J, Bousquet, J, MacKay, JJ

    Published 2018
    “…<p><strong>Background:</strong> Outbreaks of spruce budworm (SBW, Choristoneura fumiferana Clem.) cause major recurrent damage in boreal conifers such as white spruce (Picea glauca [Moench] Voss) and large losses of forest biomass in North America. …”
    Journal article
  5. 5
  6. 6
  7. 7

    Spruce pellets in compression loading by Kubík Ľubomír, Petrović Ana

    Published 2018-01-01
    Subjects: “…spruce pellets…”
    Get full text
    Article
  8. 8
  9. 9
  10. 10

    Meta-Modelling to Quantify Yields of White Spruce and Hybrid Spruce Provenances in the Canadian Boreal Forest by Suborna Ahmed, Valerie LeMay, Alvin Yanchuk, Andrew Robinson, Peter Marshall, Gary Bull

    Published 2020-05-01
    “…In this study, we used a meta-analytic approach to quantify yields of alternative white (<i>Picea glauca</i> (Moench) Voss) and hybrid spruce (<i>Picea engelmannii</i> Parry ex Engelmann x <i>Picea glauca</i> (Moench) Voss) stocks across planting sites in the boreal and hemiboreal forests of Canada. …”
    Get full text
    Article
  11. 11

    Analyses of Pellets Produced from Spruce Sawdust, Spruce Bark, and Pine Cones in Different Proportions by Nikola Čajová Kantová, Michal Holubčík, Alexander Čaja, Juraj Trnka, Jozef Jandačka

    Published 2022-04-01
    “…This article deals with the energy potential of pellets produced from spruce sawdust, spruce bark, and pine cones in different proportions. …”
    Get full text
    Article
  12. 12

    Radial increment in European spruce (Picea abies) as indicator of sanitary condition of spruce forests in the Ukrainian Carpathians by N. F. Prykhodko, T. V. Parpan, M. M. Prykhodko

    Published 2020-07-01
    “…In recent years, there has been an intense desiccation of spruce forests in the Ukrainian Carpathians, where European spruce is the main forest-forming species. …”
    Get full text
    Article
  13. 13
  14. 14

    Unique spruce forests of the Altaiskii Krai by M. M. Silantieva, N. V. Elesova, P. A. Kosachev, N. V. Ovczarova, S. G. Kazanovskiy

    Published 2017-05-01
    “…The article gives characteristics of the flora and vegetation of relict spruce forests of the Altaiskii Krai, located on the territory of the state reserve of regional significance "Kisluchinskii".…”
    Get full text
    Article
  15. 15

    In search of hybridity: the case of Karelian spruces by Volkova, Polina, Shipunov, Alexey, Borisova, Polina, Moseng, Reed, Ivens, Ranelle

    Published 2014-01-01
    “…Distribution ranges of spruces, European and Siberian intersect in the Eastern Europe and Urals, forming wide zone of introgressive hybridization where species discrimination is difficult. …”
    Get full text
    Article
  16. 16

    The Growing Problem of the Spruce Bark Beetle by Catherine E. Housecroft

    Published 2023-09-01
    “…The European spruce bark beetles release aggregation pheromones to trigger attack on Norway spruce trees; attracting beetles through the use of pheromone traps proves less effective than conventional forest management.     …”
    Get full text
    Article
  17. 17
  18. 18

    Induction thinnings of mountain spruce forests by J. Mecko, R. Petráš, V. Nociar

    Published 2004-10-01
    Subjects: “…spruce…”
    Get full text
    Article
  19. 19

    Soil moisture in mountain spruce stand by L. Tužinský

    Published 2002-01-01
    “…Extremes in air temperatures, excessive amounts of precipitation or on the other hand the lack of water from precipitation, torrential rains or long-lasting drought periods are recorded as a result of a higher amount of heat energy accumulation from the greenhouse effect. Spruce forests are most endangered. Spruce with its root system concentrated in the upper soil layers, where also the highest amount of toxic elements accumulates, suffers more and more from dry and warm periods and it begins to wither due to drought. …”
    Get full text
    Article
  20. 20