نتایج جستجو برای: wood anatomy
تعداد نتایج: 131168 فیلتر نتایج به سال:
The pneumatic method is a novel determining vulnerability to embolism in plants, yet it remains unclear whether this suitable for all species with different xylem anatomy. In study, using six tree contrasting anatomy, including four vessel-bearing (diffuse-porous wood and ring-porous wood) two tracheid-bearing (non-porous wood), we test the reliability of by comparing hydraulic methods also con...
We demonstrate the use of high-resolution three-dimensional magnetic resonance microscopy (3D MRM) for anatomical studies of woody tissues. Samples of normal and pathological structures in the branches of four tree species were imaged by 3D MRM immediately after removal from the tree, without additional tissue preparation. MRM data sets were displayed in 2D sections and in a 3D volume rendered ...
Warming and drought will occur with increased frequency and intensity at high latitudes in the future. How heat and water stress can influence tree mortality is incompletely understood. The aim of this study was to evaluate how carbon resources, stem hydraulics, and wood anatomy and density determine the ability of black spruce saplings to survive daytime or night-time warming (+ 6 °C in compar...
Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, Tennessee Department of Neuroscience and Cell Biology, UMDNJ-Robert Wood Johnson Medical School, New Brunswick, New Jersey Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, Tennessee Cell Systems Corp., Kirkland, Washington Case Western Reserve University, Cleveland...
Quantitative and qualitative features are presented for 13 collections of 8 species of Ascarina. Wood anatomy is maximally primitive in most respects; moderate exception occurs in the imperforate tracheary elements, which range from tracheidlike (A. solmsiana) to fiber-tracheids (septate in two species). Perforation plates are scalariform, average more than 100 bars per plate, and have bordered...
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