Results 221 to 230 of about 14,898 (259)

Chemical constituents of Picea neoveitchii

Phytochemistry, 2011
Four flavonoids, 5,7,4'-trihydroxy-3,8,-dimethoxy-6-C-methylflavone (1), 5,8,4'-trihydroxy-3,7-dimethoxy-6-C-methylflavone (2), 7-methoxy-6-C-methylkaempferol (3) and kaempferol-7-O-(2″-E-p-coumaroyl)-α-l-arabinofuranoside (4), together with 15 known compounds, were isolated from the twigs and leaves of Picea neoveitchii Mast.
Zhijun, Song, Weiquan, Chen, Xiaoying, Du, Heng, Zhang, Lijing, Lin, Hanhong, Xu   +5 more
openaire   +2 more sources

Incompatibility between Picea pungens Engelm. and Picea engelmannii Parry

Forest Science, 1973
Abstract Ovule development was studied in reciprocal crosses between Picea pungens Engelm. (blue spruce) and P. engelmannii Parry (Engelmann spruce). Reproductive failure was found to occur at several stages through the proembryo stage.
Susan V. Kossuth, Gilbert H. Fechner
openaire   +1 more source

Picea A. Dietr.

2019
Abstract This chapter describes the origin and introduction; climatic and site requirements, and other silvicultural characteristics; pests and diseases; natural regeneration; flowering, seed production and nursery conditions; genetic and provenance; area, yield and rotations; timber and uses; Christmas trees; habitat and ecology; yield and ...
openaire   +1 more source

Picea abies

2006
Enthält 4 Bilder der Gewöhnlichen Fichte.
openaire   +1 more source

Snow-melt water: An important water source for Picea crassifolia in Qilian Mountains

Journal of Hydrology, 2022
Guofeng Zhu, Xinrui Lin, Dongdong Qiu
exaly  

B-?????????????????? ?? ???????????????????????????? ???????? Picea: ?????????????????????????????? ?? ?????????????????? ????????????????

2021
Karyological analysis of 16 spruce species and interspecific hybrid have been carried out. Diploid complements of these species include 24 chromosomes (2n=24). In karyotypes of 11 species supernumerous (B-) chromosomes occur: P. schrenkiana, P. jezoensis, P. pungens, P. x fennica ?? P. breweriana ??? 2n=24+1B, P. koyamae and P. engelmannii ???
openaire   +1 more source

Responses of Picea meyeri to Climatic Factors Revealed by Tree Ring Isotopes and Water Use Efficiency on Luya Mountain of North-Central China

Atmosphere, 2023
Rong Fan, Jiachuan Wang, Shuheng Li
exaly  

Alkaloids of Picea

Journal of Natural Products, 1991
Marilyn J. Schneider, Julie A. Montali, Deborah Hazen, Colby E. Stanton   +3 more
openaire   +1 more source

Late Quaternary history of North Eurasian Norway spruce (Picea abies) and Siberian spruce (Picea obovata) inferred from macrofossils, pollen and cytoplasmic DNA variation

Journal of Biogeography, 2015
Malgorzata Latalowa, Mari Mette Tollefsrud, Christian Brochmann   +2 more
exaly  

Growth and survival of seedlings of various picea species under northern climatic conditions

Scandinavian Journal of Forest Research, 1990
Olavi Junttila
exaly