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Fine Structure of Hydrolysed Primary Walls in Tracheary Elements of Petiolar Xylem in Eucalyptus delegatensis

A. P. SINGH
Annals of Botany
Vol. 60, No. 3 (September 1987), pp. 315-319
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/42757966
Page Count: 5
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Fine Structure of Hydrolysed Primary Walls in Tracheary Elements of Petiolar Xylem in Eucalyptus delegatensis
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Abstract

The hydrolysed lateral primary walls of tracheary elements of the petiolar xylem of Eucalyptus delegatensis were examined by electron microscopy. Vessel-vessel and vessel-tracheid hydrolysed walls were strikingly different in appearance from tracheid-tracheid walls. The difference seemed to be in the degree to which the primary walls were hydrolysed. The observations suggest the wall hydrolysis to be an ordered and controlled process.

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