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22 gru 2008 · We developed a method to quantify leaf vein patterns in two dimensions throughout the leaf surface, and applied it to the analysis of vein pattern formation during leaf development in the first rosette leaf of Arabidopsis, as shown by differentiated xylem elements.
18 kwi 2013 · The leaf vein features responsible for water, nutrient, and sugar transport, and biomechanical support and protection are optimized according to several similar principles, and tightly coordinated in their genetic and developmental basis, and their evolution.
We synthesize classical concepts and the recent literature on a wide range of aspects of leaf venation. We describe 10 major structural features that contribute to multiple key functions, and scale up to leaf and plant performance.
The midrib contains the main vein (primary vein) of the leaf as well as supportive ground tissue (collenchyma or sclerenchyma). Figure \(\PageIndex{1}\): A typical eudicot leaf. Many leaves consist of a stalk-like petiole and a wide, flat blade (lamina).
This protocol explains how to clear and image leaves and to measure key venation traits. Important vein traits include vein densities (length/area) and diameters for all vein orders, and the number of free-ending veins per area.
1 sie 2024 · The input of this framework includes unlabeled, partially labeled (i.e. 1° and 2° vein), and fully labeled (i.e. background, 1°, 2°, and 3° veins) data which are partitioned into leaf patches ...
2 lut 2023 · The leaf veins are small channels or capillaries that transport water and minerals to and from the leaf of a plant. They are vascular tissues composed of xylem and phloem cells embedded mainly in the parenchyma and sometimes sclerenchyma cells.
