Effect of White Spruce Release on Subsequent Defoliation by the Yellowheaded Spruce Sawfly, Pikonema Alaskensis (Hymenoptera: Tenthredinidae) [PDF]
, 2017 Hand release of 22 5-year-old white spruce, Picea glauca (Moench) Voss, dramatically increased the amount of defoliation by the yellowheaded spruce sawfly, Pikonema alaskens is . The percent defoliation of the released trees was six times the defoliation
Kulman, H. M, Morse, B. W
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The Norway spruce genome sequence and conifer genome evolution
Nature, 2013 Conifers have dominated forests for more than 200 million years and are of huge ecological and economic importance. Here we present the draft assembly of the 20-gigabase genome of Norway spruce (Picea abies), the first available for any gymnosperm.
Björn Nystedt +55 more
semanticscholar +1 more source
Spruce Budworm Weight and Fecundity: Means, Frequency Distributions, and Correlations for Two Populations (Lepidoptera: Tortricidae) [PDF]
, 2017 Pupal weights and fecundities of spruce budworm from Minnesota had different means, coefficients of variation, and frequency distributions than spruce budworm from New Hampshire.
Bauer, Leah S, Lorimer, Nancy
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Phytochemistry Reviews, 2019 Phenolics and extracted phenolic compounds of Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) show antibacterial activity against several bacteria.
S. Metsämuuronen, H. Sirén
semanticscholar +1 more source
Controls on carbon and energy exchange by a black spruce - moss ecosystem: Testing the mathematical model Ecosys with data from the BOREAS experiment [PDF]
, 2001 Stomatal limitations to mass and energy exchange over boreal black spruce forests may be caused by low needle N concentrations that limit CO2 fixation rates.
Alberta Forest Service +74 more
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Predation by Amphibians and Small Mammals on the Spruce Budworm (Lepidoptera: Tortricidae) [PDF]
, 2017 Stomach-content analyses of pitfall-trapped amphibians and small mammals showed that the eastern American toad, Bujo americanus americanus, and the wood frog, Rana sylvatica, preyed on late instars and moths of the spruce budworm, Choristoneura ...
Crawford, Hewlette S, Jr. +2 more
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Acute Drought Is an Important Driver of Bark Beetle Infestation in Austrian Norway Spruce Stands
Front. For. Glob. Change, 2019 Infestations of Norway spruce by the Eurasian spruce bark beetle Ips typographus have recently caused peaks in salvaged timber in Central European forests.
S. Netherer +3 more
semanticscholar +1 more source
Total and Merchantable Volume of White Spruce in Alaska [PDF]
, 2012 White spruce (Picea glauca [Moench] Voss) is a valuable commercial species found in interior and southcentral Alaska. Numerous regional and local volume tables or equations exist; however, no statewide model exists or has been tested for accuracy. There
Liang, Jingjing +2 more
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Synthetic DNA Delivery of an Engineered Arginase Enzyme Can Modulate Specific Immunity In Vivo
Molecular Therapy: Methods & Clinical Development, 2020 Arginase is a complex and unique enzyme that plays diverse roles in health and disease. By metabolizing arginine, it can shape the outcome of innate and adaptive immune responses. The immunomodulatory capabilities of arginase could potentially be applied
Makan Khoshnejad +12 more
doaj +1 more source
Technology Transfer in Forest Pest Management: A Case History [PDF]
, 2017 The current approach being used in the spruce budworm technology transfer program for the Lake States is described. During 1981-1982, we concentrated on needs assessment surveys and the development and packaging of materials in five areas: general manual,
Montgomery, Bruce A +3 more
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