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The Philippine Textile Research Institute: Small and Medium Enterprises and Large Companies' Partner for Quality Assurance Toward Global Competitiveness

Authors: Virmila B. Alvares , Mirasol D. Pico , Mila I. Bawasanta , Marilou C. Forcadela , Ma. Yehsa G. Mallari and Rocelia A. Rafols

Abstract

The paper articulated the relevance of the Philippine Textile Research Institute (PTRI), through the PTRI Testing Laboratory (PTL), to tha Small and Medium Enterprises (SMEs) and large companies as they face the challenge and threats of globalization. The testing services provided by PTL translated to the companies' quality assurance, which is instrumental to gain wider market acceptance, even without maintaining costly testing laboratory of their own, that redounds to savings in the companies' operating costs. 

 

Mulberry Sapling Development as Affected by Variety and Planting Method

Authors: Fermin O. Bayeng  Jr. and Adelfa M. Basaen

Abstract

The study was conducted to compare the effect of horizontal and vertical planting methods for cuttings of mulberry varieties Kanva, Kingson, S54 and Thailand on the monthly growth height, percentage cutting survival, and number of saplings developed. Results revealed that in vertical and horizontal planting methods the Thailand variety yielded significant difference in monthly growth height, percentage cutting survival and number of saplings developed over varieties Kanva, Kingson and S54. Kingson proved to perform better in horizontal planting method as compared to vertical. Vertical planting method showed more advantages than horizontal for Kanva and S54.  
  
 

Textile Potential of Different Banana Fiber Varieties

Author: Marites S de Leon

Abstract

Six varieties of banana (Musa) plant namely Bongolan, Lakatan, Pakil, Saba, Saksik and Tordan were used in this study. The decorticated banana fibers exhibited gum content ranging from 40%-48%, tensile strength of 23-36 kgf-m/g and fineness of 67-93 denier. 

The decorticated fibers were subjected to degumming treatment to render them spinnable into yarns. The residual gum content, tensile strength and fineness of the degummed fibers were compared to the previously studied Cavendish variety which served as the standard. All the varieties showed similar behavior towards degumming with about 80% of the gums effectively removed. Marked reduction in the tensile strength was observed but the values were still within the acceptable range for textile processing. While improvement in the fiber fineness was observed as evidenced by 8%-30% reduction, all the varieties were still coaser compared to Cavendish. Summarizing the results, the potential of the banana fiber varieties for textile processing can be ranked from  high to low as follows: Saba, Lakatan, Bongolan, Pakil, Saksik, Tordan.
 
 

Prevention of Mildew Formation of Tikiw, Bangkuang and Raffia Using Commercially Available Mildewcide

Authors: Ciriaco D. Espino and Charito P. Cauton

Abstract

This short term study  aimed to evaluate the formation of mildew to treated and untreated tikiw (Rhynchospora corymbosa), bangkuang (Actinoscisrpus grossus) and raffia (Corypha elata) under normal environmental conditions. The study also evaluated the effect of washing and drying and the applicability and effectiveness of two commercial mildewcides on the fibers. The mildewcide treated fibers showed no signs of mildew growth, while untreated tikiw fibers were 40-80% and bangkuang and raffia were 1-3% covered with mildew. The application of mildewcides was effective in preventing the growth of mildew. 

This short term study  aimed to evaluate the formation of mildew to treated and untreated tikiw (Rhynchospora corymbosa), bangkuang (Actinoscisrpus grossus) and raffia (Corypha elata) under normal environmental conditions. The study also evaluated the effect of washing and drying and the applicability and effectiveness of two commercial mildewcides on the fibers. The mildewcide treated fibers showed no signs of mildew growth, while untreated tikiw fibers were 40-80% and bangkuang and raffia were 1-3% covered with mildew. The application of mildewcides was effective in preventing the growth of mildew. 
 
 

Phenotypic Characters of Silkworm Purelines LAT 2, LAT 71 andST2

Authors: Alfrieta . Olayo , Adelfa M. Basaen , Catherine M. Kimbongan and Evelyn A. Sicat 

Abstract

This study was conducted to establish the phenotypic characters os silkworm purelines Lat 2, Lat 71 and ST2 that were evolved from foreign hybrids Japanese A, Guang Nong 3 and Su Tung, respectively. This silkworm purelines were reared five times between the period March 2000 - April 2002 to observe, verify and record distinguishable external characters that are used to described and identify silkworm breeds. These characters shall serve as basis and guide for future silkworm breeding studies aside from providing additional database of silkworm genetic resources in the Philippine Textile Research Institute's germplasm.


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