C. pangorei, which is in conformity to previous reports in Bhendi (Fathima and Balasubramanian 2006). The 120s undyed has the minimum tex count and thereby maximum tenacity (Table 3). It is clear from the table that when tex is high, tenacity is low and vice versa, as reported (Rasheed and Dasti 2003). Statistical analysis explains the fact that the split and dyed culm strands have equivalent strength properties. This implies that processing and splitting of culms into fine strands and subsequent boiling in dye bath does not have an impact on the strength properties of the culm strands. The maximum tenacity was observed in the case of 120-count culm strand. This shows that the thinner the culm strand, the higher will be the tenacity, similar to that of SR, which is high in long thin fibres, and thus giving more tear resistance and burst properties. In addition, the fibre length and diameter may also influence the tenacity of the fibres. The tensile strength and percent elongation increases with fibre length, which may be the case with C. pangorei fibres. However, in most applications as in the mat industry, fibre bundles or strands are used rather than individual fibres, and using such whole stems is more attractive, as it bears significant practical and economic advantage (Ververis et al. 2004).
The present study based on anatomy, wall substances, morphology, derived values of fibre dimensions, and physico-mechanical properties reveals that the rind fibres, as aptly used by the mat weavers of Pathamadai, possess favorable characters for its efficient utilization in the silk mat industries and the manufacture of other coarse products. Furthermore, the easy adaptability of the plant to different ecological conditions, the annual harvesting period, and the high biomass productivity, combined with appropriate chemical composition, makes C. pangorei very attractive as an alternative fibre source for miscellaneous plant fibre applications.
Amalraj, V. A. (1990). “Cultivated sedges of South India for mat weaving industry,”
Journal of Economic and Taxonomic Botany 14, 629-631. Armstrong, J. A. (1956). “Histochemical differentiation of nucleic acids by means of
induced fluorescence,” Experimental Cell Research 11, 640-646. Balaji, R. (2005). “Grass mats still holds their own here,” The Hindu. Baley, C. (2002). “Analysis of the flax fibres tensile behavior and analysis of tensile
stiffness increase,” Composites. Part A 33, 939-948. Basu, S. (2005). “Carpet makers,” The Hindu. Beakou, A., Ntenga, R., Lepetit, J., Ateba, J. A., and Ayina, L. O. (2008). “Physico-
chemical and microstructural characterization of "Rhectophyllum camerunense" plant fiber,” Composites. Part A 39, 67-74. Benazir, J. F. (2010). “Studies on culm anatomy, epicuticular waxes, fibre characteristics,
in vitro regeneration and molecular chacterization of a sedge (Cyperus pangorei
Benazir et al. (2010). “Sedge fibers and strands,” BioResources 5(2), 951-967.