Vascular secondary growth results from the activity of the vascular cambium, which produces secondary phloem and secondary xylem. |
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If you girdle the base of the tree exposing the cambium layer, the tree will die. |
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Subsequently, this cambium produces both wound xylem and wound phloem and thus contributes to further thickening. |
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The cambium produces phloem tissue to the outside and xylem tissue to the inside. |
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The outer ring of the stem contains all the functional tissue, including xylem, cambium, phloem, supporting tissues, and epidermis. |
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Vessels differentiate immediately beneath the vascular cambium in the late-formed xylem. |
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A bifacial vascular cambium forming manoxylic secondary wood is also present. |
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Secondary phloem fibres develop from the vascular cambium although secondary vascular growth remains limited. |
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The most obvious manifestation of this is the development of wood, or secondary xylem, from the vascular cambium. |
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For the stem, the outermost green tissue, including both phloem and cambium were estimated. |
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Sieve elements close to the cambium were identified by aniline blue fluorescence of their sieve plates and were positive for serpins. |
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Archaeopteris was a true tree, with a woody trunk, xylem, secondary cambium, and leaves. |
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It possessed secondary xylem and secondary phloem, which were produced by a bifacial vascular cambium with ray and fusiform initials. |
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The vascular cambium is a cylindrical region running through the entire stem of the plant, and branching into every twig and limb. |
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It also may provide protected chewing access for small rodents and other animals, which can severely injure the bark and cambium. |
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Secondary manoxylic wood is produced by a bifacial vascular cambium and surrounds each vascular strand. |
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The primary vascular system consists of a eustele and a bifacial vascular cambium. |
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As revealed by light microscopy observations, the cambial region comprised the cambium, immature phloem, and immature xylem cells. |
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The cambium may be affected, but in spring the outside of the bark appears normal, remaining green if the suber layer is sufficiently thin. |
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Buprestidae bore into living and dead trees, generally feeding on the cambium layer. |
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Cut surface application is the application of herbicides to the cambium layer of the woody species. |
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Their internal stem structure is characterized by a eustele with endarch protoxylem, where a small amount of manoxylic wood is produced from a bifacial vascular cambium. |
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In woody dicots, the vascular cambium is formed in parts that grow toward each other and unite. |
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This meristematic area spreads laterally from each bundle and eventually becomes continuous, forming a complete vascular cambium. |
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It has been widely suggested that phellem, a corky outer layer derived from the cork cambium may function as aerenchyma, but until now no-one had tested that hypothesis. |
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In woody plants, the phellogen, or cork cambium, arises in any of the three tissue systems near the surface of the plant body. |
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The cork cambium, or phellogen, produces the protective outer layers of the bark. |
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Type II corresponds to a cicatrization reaction as a consequence of a wound that damages the vascular cambium and may reach part of the bark. |
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In cartilaginous tissues, perichondrium cambium layer may be the source of new cartilage. |
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The cork cambium is, like the vascular cambium, a lateral meristem that produces cells internally and externally by tangential divisions. |
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As the tree grows, small dimples begin to form in the cambium layer which is the layer responsible for the new growth of bark and wood. |
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They feed on the inner bark and cambium, chewing out cavities of up to 2.5 mm in diameter. |
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The herbicide is delivered to the cambium layer after the chisel head has been inserted into the bark. |
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Fan-shaped, buff-coloured mycelial wefts form in the inner bark and cambium. |
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Cell proliferation and cell fate are controlled from dividing cell division centres or latent pluripotent stem cells within the cambium or pericycle. |
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Using a hammer and a flat end punch, dowel, or bolt, carefully drive the cartridge into the tree, recessing the large end slightly beneath the cambium surface, which is below the bark. |
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Roots have extensive cavities and the phloem and cambium may be completely destroyed, leaving nematode-filled spaces separating the remains of the stele from the cortex. |
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The cambium saver is a protective webbing sling, used in conjunction with a climbing line to reduce the friction damage to the tree during climbing. |
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Thoroughly wet the outer portion of the cut surface adjacent to the cambium and the sides of the stumps, including the root collar area, but not to the point of runoff. |
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When applied to the bark or the cut surfaces, Garlon RTU is able to penetrate the bark and cambium region easily and enters the plant's transportation system to move into the stems and roots. |
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The loss of cambium is well illustrated in Houttuynia of the Saururaceae, although that genus is not ancestral to monocots. |
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On the other hand, monocotyledons, unlike dicotyledons, typically lack a vascular cambium and therefore are harder to propagate. |
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The fusiform and ray initials of the cambium divide in a plane tangential to the surface of the stem, with the long axes of the fusiform and ray initials parallel to the long axis of the plant organ. |
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The cambium layer is the tissue between the wood and the bark. |
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The sliding, gliding, symplastic or the intrusive growth of the cambium cells and their derivatives in higher vascular plants. |
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When examining dead trees or trees in declining condition, producers should look for orange to dark reddish-brown cankers or streaks along the cambium, just under the bark at ground level. |
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Notice: Hole Depth is from inside the inner bark into the cambium. |
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Various techniques are used in order to describe the poplar's physiological response on the cambium level under the various envisaged constraints. |
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The cambium is only a few millimetres thick, so the tree dies. |
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The vascular cambium, which produces xylem and phloem cells, originates from procambium that has not completely differentiated during the formation of primary xylem and primary phloem. |
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The epidermis is then replaced by cork cells until eventually the original cork cambium ceases to produce derivative cork and is itself destroyed. |
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Human nasal septal perichondrium is considered to be a homogeneous structure in which some authors do not recognize the perichondrium internal zone or the cambium layer as a layer distinct from adjacent cartilage surface. |
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As growth proceeds, the cork cambium forms in living cells of the epidermis, cortex, or, in some plants, phloem and produces a secondary protective tissue, the periderm. |
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Once inside, the mistletoe develops longitudinal and radial systems of haustoria, the former external and parallel to the host cambium and the latter oriented in the xylem and phloem. |
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Secondary growth, resulting in an increase in the width of the axis, is produced by meristematic tissue between the primary xylem and phloem called vascular cambium. |
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After the chisel head has been inserted into the bark, the herbicide is delivered to the cambium layer by a lever that is activated to dispense the herbicide. |
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