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Showing 1 to 11 of 11 for “"black cottonwood"”.
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Productivity and biomass partitioning in 20-year Black cottonwood at variable spacing
… ratios and the branching ratio in 20-year old Black cottonwood (Populus balsamifera L. ssp. trichocarpa (Torr. & A. Gray ex Hook.) Brayshaw) experimental plantation within Sandlækjarmýri research forest in southern Iceland. Data and wood samples were collected from 40 trees of 8 different …
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Growth and nutrient relations in black cottonwood in South-Coastal British Columbia
… examined relationships between the growth of black cottonwood, expressed as site index, and site units, under story vegetation, soil nutrient contents, and foliar nutrient concentrations in29 black cottonwood stands in south-coastal British Columbia. The final phase of the study was a …
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An Assessment on the Cultivation of Black Cottonwood Cuttings in Nootka Lupine Fields in Conjunction with Site Preparation
… in which the planting of cuttings from two black cottonwood clones were prepared using three mechanical methods in addition to an undisturbed control plot. The first year results are reported here. Site preparation was effective in increasing survival and growth of planted cuttings at both …
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Partitioning of multivariate phenotypes using regression trees reveals complex patterns of adaptation to climate across the range of black cottonwood (Populus trichocarpa)
… may be reflected in adaptive traits. We used black cottonwood (Populus trichocarpa) as a model to characterize the interplay between geography, climate, and adaptation to abiotic factors. Twelve traits (height, diameter, volume index, crown diameter, number of branches, number of sylleptic …
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Analysis of genetic variation in Pediculus humanus and Populus trichocarpa
… body louse, Pediculus humanus corporis and the black cottonwood, Populus trichocarpa. While unrelated, these two organisms each represent a study system with questions that challenge our current understanding of each organism. Body and head lice, while closely related, are thought to be separate …
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Analysis of the Potential for Diazotrophic Endophytes to Increase Efficiency of Bioenergy Crop Production: Growth promotion effects of the endophytes isolated from Populus trichocarpa and Salix sitchensis
… Sitka willow) and poplar (Populus trichocarpa, black cottonwood) growing in nutrient poor river sides were used as inoculum in a series of greenhouse and field trials designed to test the overall hypothesis that naturally occurring diazotrophic endophytes impart plant growth promotion to their …
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The Missoula Poplar Project: Utilizing Poplars to Enhance Wastewater Treatment
… deltoides X Populus nigra, and the native Black Cottonwood, Populus balsamifera ssp. trichocarpa. The effects of effluent fertilization on poplar growth, soil and ground water nutrient contents were monitored throughout the first growing season of this pilot project. Effluent fertilization …
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The Missoula Poplar Project: Utilizing Poplars to Enhance Wastewater Treatment
… deltoides X Populus nigra, and the native Black Cottonwood, Populus balsamifera ssp. trichocarpa. The effects of effluent fertilization on poplar growth, soil and ground water nutrient contents were monitored throughout the first growing season of this pilot project. Effluent fertilization …
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Testing the forage preference of the American pika (Ochotona princeps) for use in connectivity corridors in the Washington Cascades
… viridis</em>), willow (<em>Salix spp.</em>), and black cottonwood (<em>Populus balsamifera trichocarpa</em>) were the most selected species, and were recommended for planting in the upcoming crossing structures. Samples of each of the tested plant species were also analyzed for nutritional …
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Identification of transcription factor genes in plants
… thaliana (thale cress), Populus trichocarpa (black cottonwood) and Oryza sativa (rice). The identification of the complete sets of TFs in the above-mentioned species, as well as additional information and reference literature are available at http://plntfdb.bio.uni-potsdam.de/. The …
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Ásókn asparglyttu (Phratora vitellinae L.) í mismunandi klóna Alaskaaspar (Populus balsamifera L. ssp. trichocarpa) Skaðsemi, útbreiðsla og lífsferill asparglyttu á Íslandi
Frá árinu 2005 hefur asparglytta Phratora vitellinae L. (Coleoptera: Chrysomelidae) dreift sér hratt um landið og valdið skaða á bæði aspar- (Populus ssp.) og víðitegundum (Salix ssp.). Fyrir áframhaldandi ræktun á Alaskaösp (Populus balsamifera L. ssp. trichocarpa (Torr. & Gray) Brayshaw) er …