Results 111 to 120 of about 3,264 (215)

Application of ISSR, RAPD, and cytological markers to the certification of Picea mariana, P. glauca, and P. engelmannii trees, and their putative hybrids

open access: yes, 2005
Picea glauca (white spruce) and P. engelmannii (Engelmann spruce) are so similar and integrated that it is impossible to distinguish between them and their hybrids using morphological characteristics. Although natural hybrids between P.
T Demers, K K Nkongolo, P Michael
core   +1 more source

Cryopreservation of embryogenic cultures of Picea mariana (black spruce) using vitrification

open access: yes, 2002
This study reports on the first use of a vitrification procedure for the successful cryopreservation of embryogenic cultures of a coniferous species.
Chiang, V. L.   +2 more
core   +1 more source

Effects of initial planting density and commercial thinning combined with pruning on black spruce wood quality and growth

open access: yesThe Forestry Chronicle
An experiment was established in 1986 near Dégelis in Québec, Canada, to measure the effects of initial planting density and commercial thinning combined with pruning on the wood quality and growth of black spruce (Picea mariana (Mill.) B.S.P.).
Julie Barrette   +4 more
doaj   +1 more source

Provenance variation in early growth and development in Picea mariana (Mill) B.S.P. [PDF]

open access: yes, 1992
Provenance variation in Picea mariana (Mill) B.S.P. (Black spruce) seedlings was studied to provide recommendations for introducing the species into Scandinavia. Provenances were analysed in a series of tests covering root and shoot development and mineral nutrient (N. P and K) content.
Ståhl, Erik G., Persson, Bengt
openaire  

A relação do desenvolvimento de embriões somáticos iniciais de Araucaria angustifolia (Bert.) O. Kuntze com os conteúdos endógenos de carboidratos [PDF]

open access: yes, 2013
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Curso de Agronomia.A Araucaria angustifolia é uma espécie nativa do Sul do Brasil que hoje se encontra na lista das espécies ameaçadas de extinção devido à degradação ...
Pereira, Maria Luiza Tomazi
core  

Postglacial vegetation history of the Mariana Lake region, Alberta

open access: yes, 1994
A fossil pollen record extending from 11 300 BP to the present was recovered from Mariana Lake, Alberta (55°57′N, 112°01′W). Initially, the region had a sparse vegetation dominated by forbs and graminoids, which at approximately 10 500 BP succeeded to ...
R. J. Mott   +2 more
core   +1 more source

How do drought and warming influence survival and wood traits of Picea mariana saplings? [PDF]

open access: yesJ Exp Bot, 2015
Balducci L   +6 more
europepmc   +1 more source

Rapid decrease of the Labrador Sea’s influence on black spruce ecosystems with distance inland

open access: yesCommunications Earth & Environment
In eastern Canada, Black spruce (Picea mariana Mill. B.S.P.) grows in a wide variety of climates, from maritime-oceanic conditions near the Labrador Sea, to more continental climates, inland.
Julien Larose   +7 more
doaj   +1 more source

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