In roots, large amounts of lignin are deposited in xylem vessels, an important component of the vascular system5,6. Lignin is also deposited in the endodermal cells surrounding the vascular tissues, for Casparian strip (CS) formation7
Ros Barceló, A. Xylem parenchyma cells deliver the H2O2necessary for lignification in differentiating xylem vessels.Planta
The diameter of large metaxylem vessels increases to a maximum before maximum stele diameter is attained, and then decreases; this decrease in vessel size is therefore independent of decrease in stele size. Despite decrease in size of vessels, total conducting capacity of the roots is increased ...
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Xylem hydraulicsIADFVessel sizeKey message Analyses of tree-ring anatomical features showed to be more sensitive to specific intra-seasonal environmental factors than tree-ring width in Tectona grandis and Pinus caribaea growing in a subtropical region. Abstract Earlywood vessels (EWV) and intra-...
The stems of these lianas have wood with wide xylem vessels and high hydraulic conductivity which should enhance water flow to the upper canopy despite their severe twisting. Hydraulic conductivity is further helped by the simple perforation plates of xylem vessels. The circular thickening of xylem ...
There were no differences among xylem vessel features in the stems of any of the varieties. However in the roots, D7 had wider and fewer vessels then TC do. Also, D7 had a 19% higher total vessel area than TC. These results suggest that the differences in water consumption of 'Hass'...
There were no differences among xylem vessel features in the stems of any of the varieties. However in the roots, D7 had wider and fewer vessels then TC do. Also, D7 had a 19% higher total vessel area than TC. These results suggest that the differences in water consumption of 'Hass'...
Drought-tolerant RAC875 showed higher relative growth of newly emerged nodal roots than drought-intolerant Kukri after rewatering. RAC875 also had smaller diameter and total area of metaxylem vessels in nodal roots than Kukri, but higher number of metaxylem vessels and RDC independent of water ...
A comparative study of the secondary xylem (wood) anatomy of 11 species (38 specimens) occurring in cerrado and the adjacent gallery forest (both cerrado habitat) was made with the aim of identifying the anatomical characteristics of ecological value and correlating them with the environmental ...