Cellular Differentiation of the Cambium in the Pinaceae

Wodzicki, Tomasz J.; Brown, Christopher S.

doi:10.1086/336694

Cited by 18 publications

(14 citation statements)

References 6 publications

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“…This statement is in agreement with the current paradigm of the initial layer of cambium (Eames and MacDaniels 1947;Foster 1949;Committee on Nomenclature 1964;Esau 1965;Wilson et al 1966;Brown 1971;Wodzicki and Brown 1973;Fahn 1974;Schmid 1976;Larson 1994). A and C show tangential sections through two successive layers of axial parenchyma.…”

Section: Discussionsupporting

confidence: 88%

Rearrangement of cells in storeyed cambium of Lonchocarpus sericeus (Poir.) DC connected with formation of interlocked grain in the xylem

Kojs

Włoch

Rusin

2004

Trees - Structure and Function

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The history of cellular events in the storeyed cambium of Lonchocarpus sericeus (Poir.) DC was analysed on the basis of changes in the cell arrangement in successive layers and strata of axial parenchyma in the xylem. The mechanism of formation of the regular interlocked grain was investigated. Inclination of fusiform cells changes intensively whereas height and position of storeys in the successive layers of axial parenchyma are constant. As a result, new contacts between cells are formed by means of the intrusive growth of ends of cells belonging to one storey between the tangential walls of cells of the neighbouring storey and unequal periclinal divisions, which give a new shape to the initials. The concept of intrusive growth between the radial walls of the fusiform initials in the formation of xylem with interlocked grain should be revised on this basis.

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Section: Discussionsupporting

confidence: 88%

Rearrangement of cells in storeyed cambium of Lonchocarpus sericeus (Poir.) DC connected with formation of interlocked grain in the xylem

Kojs

Włoch

Rusin

2004

Trees - Structure and Function

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“…The cells were connected with each other via plasmodesmata in the tangential walls. Contrary to what seems to be a general concept, but in agreement with observations reported by Wodzicki and Brown (1973), the ray cell initials were not isodiametric but were elongated in the radial direction.…”

Section: Resultssupporting

confidence: 89%

Formation of Compression Wood in Balsam Fir(Abies balsamea)- I. Ultrastructure of the Active Cambial Zone and Its Enlarging Derivatives

Timell¹

1979

Holzforschung

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“…This investigation shows that in a single file cells can have different origins as shown by cell pockets formed from various initial cells. Wodzicki and Brown (1973) noted that: "one will probably observe a mixed population of cells, including the initials in some instances and their newly formed derivatives in others" observing only a trace participation of intrusive growth between periclinal walls of cells. At present it is thought that this is a common mechanism and it has a significant effect on the cambial cell rearrangement and the change of cell inclination (Włoch 1981;Włoch and Polap 1994).…”

Section: Discussionmentioning

confidence: 99%

Intensive change of inclination of cambial initials in Picea abies (L.) Karst. tumours

Włoch

Mazur²,

Kojs

2001

Trees

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Changes in the inclination of cambial fusiform cells producing wavy grain wood in spruce trunk tumours were investigated. The rate of changes of cell inclination depends on events such as intrusive growth between periclinal walls of cells of neighbouring files and unequal periclinal divisions. Intrusive growth of initial cell ends between radial walls does not affect the change in cell inclination. The only reason for such change is the intrusive growth of initial cell ends between periclinal cell walls of neighbouring files. Initial cells do not form a continuous, integral layer. After periclinal division of initial cells the status of the initial is defined by the initial surface. After periclinal divisions of mother cells packets of cells are produced. In cambium, which does not rearrange, packets of cells originating from the same initial cell are located in one file. Cells in these packets do not usually grow intrusively and do not change their position. In tumorous cambium, packets are dislocated in periclinal planes. In the tangential surface a very large and rapid change in inclination of fusiform cells was observed. In spite of this change, which causes heterogeneous files, the order (arrangement) of the files was not disturbed.

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Cellular Differentiation of the Cambium in the Pinaceae

Cited by 18 publications

References 6 publications

Rearrangement of cells in storeyed cambium of Lonchocarpus sericeus (Poir.) DC connected with formation of interlocked grain in the xylem

Rearrangement of cells in storeyed cambium of Lonchocarpus sericeus (Poir.) DC connected with formation of interlocked grain in the xylem

Formation of Compression Wood in Balsam Fir(Abies balsamea)- I. Ultrastructure of the Active Cambial Zone and Its Enlarging Derivatives

Intensive change of inclination of cambial initials in Picea abies (L.) Karst. tumours

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