Results 161 to 170 of about 12,266 (209)

Karyotypes in the Genus Pseudotsuga

Forest Science, 1972
Abstract Previous investigators have shown that P. menziesii has a haploid chromosome number of 13, and both P. macrocarpa and P. wilsoniana have haploid numbers of 12. This study shows that each
A. H. Doerksen, K. K. Ching
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Pseudotsuga Carr.

2019
Abstract This chapter discusses the origin and introduction; climatic and site requirements, and other silvicultural characteristics; pests and diseases; natural regeneration; flowering, seed production and nursery conditions; provenance; area and yield; timber; and place of Douglas fir (Pseudotsuga menziesii) in British forestry.
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836. PSEUDOTSUGA JAPONICA

Curtis's Botanical Magazine, 2016
SummaryPseudotsuga japonica (Shiras.) Beissn. is described and illustrated. The species is endemic to Japan growing in limited areas in the southern central Honshu and eastern Shikoku. The history of its discovery, and present distribution and ecology are provided.
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Phytochemical and pharmacological properties of the genus Pseudotsuga

Fitoterapia
Pseudotsuga is a crucial genus of timber trees in the Pinaceae family, comprising approximately 18 species that are predominantly found in western North America and East Asia. Over the past several decades, scholarly attention has primarily focused on the phytochemical study of Pseudotsuga menziesii, revealing a diverse range of compounds, including ...
Jia-Wen, Zhu, Jin-Biao, Xu, Zhe-Yun, Shao   +2 more
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Some aspects of the association between Rhabdogloeum pseudotsugae Sydow and Rhabdocline pseudotsugae Sydow

2012
Rhabdogloeum pseudotsugae Sydow has been suspected of being the imperfect stage of Rhabdocline pseudotsugae Sydow since their original description by Sydow in 1922. Because Rhabdogloeum has been reported so seldom in North America, and never in Europe, this possibility has been considered slight by most investigators.
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Aerially applied methylcyclohexenone-releasing flakes protect Pseudotsuga menziesii stands from attack by Dendroctonus pseudotsugae

Forest Ecology and Management, 2009
We tested methylcyclohexenone (MCH), an anti-aggregation pheromone for the Douglas-fir beetle (Dendroctonus pseudotsugae), for protection of Douglas-fir (Pseudotsuga menziesii) stands by applying MCH-releasing polymer flakes by helicopter twice during summer 2006 to five 4.05-ha plots in the State of Washington, USA.
N.E. Gillette, C.J. Mehmel, J.N. Webster, S.R. Mori, N. Erbilgin, D.L. Wood, J.D. Stein   +6 more
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Pseudotsuga menziesii (Mirb.) Franco

2012
Digitale Pflanzenbilder: Sammlung Dietmar ...
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CAMBIAL DIVISIONS IN PSEUDOTSUGA MENZIESH

American Journal of Botany, 1968
Mitotic activity in the vascular cambium was determined from nine samples from a single internode in each of four Douglas‐fir ( Pseudotsuga menziesii [Mirb.] Franco) trees. Counts of mitotic nuclei and populations of potentially dividing cells in each sample were used to determine the average
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Lophodermium Abietis on Pseudotsuga Taxifolia

Mycologia, 1928
(1928). Lophodermium Abietis on Pseudotsuga Taxifolia. Mycologia: Vol. 20, No. 5, pp. 301-302.
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Pseudotsuga menziesii versus Pseudotsuga taxifolia

Taxon, 1956
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