Results 11 to 20 of about 81,384 (353)
Plants, 2020 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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Conifer-angiosperm interactions: Physiological ecology and life history. [PDF]
, 2011 Worldwide, conifers are most successful on sites subject to chronic stresses that limit productivity (low temperatures, nutrient poverty, poor drainage).
Lusk, Christopher H.
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Patterns of Lepidoptera herbivory on conifers in the New World
Journal of Asia-Pacific Biodiversity, 2018 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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Grasshoppers Feeding on Red Pine Trees in Michigan (Orthoptera: Acrididae) [PDF]
, 2017 Very few North American grasshoppers are true feeders on conifers. The several species of the punctulatus species-group of the genus Melanoplus, as summarized and revised by Rehn (1946), have been reported as occurring on pine, juniper, and cedar, but ...
McPherson, J. E, Wilson, Louis F
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Plants, 2022 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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Transverse fracture properties of green wood and the anatomy of six temperate tree species [PDF]
, 2016 © Institute of Chartered Foresters, 2016. All rights reserved. The aim of this study was to investigate the effect of wood anatomy and density on the mechanics of fracture when wood is split in the radial-longitudinal (RL) and tangential-longitudinal (TL)
Cattaneo, Marco E. G. V. +3 more
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Comparative Biology of Temperate and Subtropical Bark and Ambrosia Beetles (Coleoptera: Scolytidae, Platypodidae) in Indiana and Florida [PDF]
, 2017 Bark and ambrosia beetles were compared from two intensively studied sites. The Indiana site produced 58 species, the Florida site 57 species; 17 species occurred at both sites. Much greater plant host diversity at the Indiana site seems balanced by more
Atkinson, Thomas H, Deyrup, Mark
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Forest structure, stand composition, and climate-growth response in montane forests of Jiuzhaigou National Nature Reserve, China. [PDF]
, 2013 Montane forests of western China provide an opportunity to establish baseline studies for climate change. The region is being impacted by climate change, air pollution, and significant human impacts from tourism.
Dolanc, Christopher R +6 more
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Frontiers in Plant Science, 2022 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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Error, bias, and long-branch attraction in data for two chloroplast photosystem genes in seed plants [PDF]
, 2000 Sequences of two chloroplast photosystem genes, psaA and psbB, together comprising about 3,500 bp, were obtained for all five major groups of extant seed plants and several outgroups among other vascular plants.
Brady, Siobhan +4 more
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