Examining the Pulp Production Compatibility of Earlywood and Latewood in Willow (Salix excelsa) Clones in Terms of Fiber Morphology

Gulnur Mertoglu Elmas, Bahattin Gürboy, İnci Nur Eray

Abstract


Pulp production suitability of earlywood and latewood of Salix excelsa 64/12 and 84/28 clones that grow in the experimental sites of the Poplar and Fast Growing Forest Trees Research Institute of Turkey has been discussed as the result of a preliminary study based on their fiber dimensions and how they relate to each other. Fiber slides were prepared according to Franklin’s (1954) maceration method for the microscopic measurement of fiber dimensions defined as fiber length, fiber width, lumen width, and cell wall thickness. Felting power, elasticity, rigidity coefficient, Runkel classification, Muhlsteph ratio, and F-factor parameters that demonstrate the fiber dimensions and the relationship between them have been calculated. The effect of these variables on paper strength properties were evaluated, and fiber dimensions and the relationship between them were statistically analyzed. According to the fiber dimensions of S. excelsa 64/12 and 84/28 clones and the results of relationships such as Muhlsteph, Runkel, F-factor elasticity, it has been decided that clones can be used in paperboard and corrugated board production as well as in furnish when mixed with long fibers.

Keywords


Salix excelsa S. G. Gmelin; Willow; Fiber morphology; Fiber dimension

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