Results 11 to 20 of about 13,020 (261)
The amino acids arginine and ornithine are the precursors of a wide range of nitrogenous compounds in all living organisms. The metabolic conversion of ornithine into arginine is catalyzed by the sequential activities of the enzymes ornithine ...
José Alberto Urbano-Gámez +4 more
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Patterns of Lepidoptera herbivory on conifers in the New World
Five families of conifers are native to the New World: Pinaceae (104 species), Cupressaceae (73 species), Podocarpaceae (40 species), Araucariaceae (2 species), and Taxaceae (6 species).
John W. Brown
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The aim of this study was to find consistent correlations between weather parameters and elemental content of tree rings in four widely distributed Siberian conifers: Siberian spruce (Picea obovata Ledeb.), Scots pine (Pinus sylvestris L.), Siberian ...
Vladimir Gavrikov +4 more
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Stem cutting recalcitrance to adventitious root formation is a major limitation for the clonal propagation or micropropagation of elite genotypes of many forest tree species, especially at the adult stage of development.
Alberto Pizarro, Carmen Díaz-Sala
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The megametophytes of Picea abies, Pinus sylvestris, Pinus mugo and Larix decidua were cultured on modified solid agar MS medium with 5 mg.l-1 α-naphthaleneacetic acid and 0.1 mg.l-1 6-benzylaminopurine and exposed to a tester, the basidio-mycete ...
J. Hřib, B. Vooková
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Expansion in the distribution of Pauesia silana Tremblay (Hymenoptera, Braconidae, Aphidiinae), across North Africa, a recent discovery in Tunisia [PDF]
View on Scopus The occurrence of Pauesia silana Tremblay, as an aphid parasitoid (Hym., Braconidae, Aphidiinae) in Tunisia is documented. The parasitoid was found in association with the Aleppo pine aphid, Cinara palaestinensis Hille Ris Lambers ...
Monia Ben Halima Kamel +3 more
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Diversity, Distribution, Systematics and Conservation Status of Podocarpaceae
Among conifer families, Podocarpaceae is the second largest, with amazing diversity and functional traits, and it is the dominant Southern Hemisphere conifer family.
Raees Khan +3 more
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The natural regeneration of native broadleaved species underneath forest monoculture plantations is important to recover ecosystem functions and to mitigate adverse environmental effects.
Bo Liu +8 more
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Riparian plants are an integral part of the river ecosystem and have significant impacts on the water quality of the reservoir area. The special hydrological process of the riparian zone makes it possible to become a “source” or “sink” of organic matter ...
Zhangting Chen +6 more
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Conifer Biotechnology: An Overview
The peculiar characteristics of conifers determine the difficulty of their study and their great importance from various points of view. However, their study faces numerous important scientific, methodological, cultural, economic, social, and legal challenges.
Sonia María Rodríguez +2 more
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