International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies IN THIS ISSUE Relations between Structural Damage and Level of External Prestressing Force on the Flexural Behavior of Post- Tensioned Prestressed Concrete Beams Bender’s Decomposition Method for a Large Two-stage Linear Programming Model A Security Approach for Wireless Sensor Network in Agriculture Industry Budget Allocation Assessment for Water Resources Project in Thailand Using GIS-based Water Poverty Index Volume 4 Issue 4 (July 2013) Effect of Colchicine Tablets on Morphology of Torenia fournieri ISSN 2228-9860 eISSN 1906-9642 Induced Mutation by Colchicine http://TuEngr.com Treatment of Somatic Embryos in ‘Namwa’ Banana (Musa sp. ABB) Cover Photo is taken by Dr.Boonsap Witchayangkoon, the Executive Editor. 2013 International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies http://TuEngr.com International Editorial Board Editor-in-Chief Executive Editor Ahmad Sanusi Hassan, PhD Boonsap Witchayangkoon, PhD Associate Professor Associate Professor Universiti Sains Malaysia, MALAYSIA Thammasat University, THAILAND Noble Editorial Board: Professor Dr.Mikio SATOMURA (Shizuoka University, JAPAN) Professor Dr.Chuen-Sheng Cheng (Yuan Ze University, TAIWAN) Professor Dr.I Nyoman Pujawan (Sepuluh Nopember Institute of Technology, INDONESIA) Professor Dr.Neven Duić (University of Zagreb, CROATIA) Professor Dr.Lee, Yong-Chang (Incheon City College SOUTH KOREA) Professor Dr.Phadungsak Ratanadecho (Thammasat University, THAILAND) Professor Dr.Dewan M. Nuruzzaman (Dhaka University of Engineering & Technology, BANGLADESH) Professor Dr. Lutero Carmo de Lima (State University of Ceará, BRAZIL ) Associate Prof.Dr. Prapat Wangskarn (Dean of Faculty of Engineering, Thammasat University, THAILAND) Associate Prof.Dr.Uruya Weesakul (Past-Dean of Faculty of Engineering, Thammasat University, THAILAND ) Scientific and Technical Committee & Editorial Review Board on Engineering, Technologies and Applied Sciences: Associate Prof.Dr. Supornchai Utainarumol (King Mongkut's University of Technology North-Bangkok, THAILAND) Associate Prof.Dr. Bovornchok Poopat (King Mongkut's University of Technology Thonburi, THAILAND ) Associate Prof.Dr.Pudit Laksanacharoen (King Monkut's University of Technology North Bangkok, THAILAND) Associate Prof. Dr. Paulo Cesar Lima Segantine (University of São Paulo, BRASIL) Associate Prof. Dr. Kurt B. Wurm (New Mexico State University, USA ) Associate Prof. Dr. Truong Vu Bang Giang (Vietnam National University, Hanoi, VIETNAM ) Dr.H. Mustafa Palancıoğlu (Erciyes University, TURKEY) Associate Prof. Dr.Narin Watanakul (Thammasat University, THAILAND) Associate Prof. Commander Dr.Komsun Suwannarurk (Thammasat University, THAILAND ) Associate Prof.Dr.Peter Kuntu-Mensah (Texas A&M University-Corpus Christi, USA) Associate Prof.Dr. Anchalee Jala (Thammasat University, THAILAND ) Associate Prof. Dr. Masato SAITOH (Saitama University, JAPAN ) Assistant Prof.Dr. Zoe D. Ziaka (International Hellenic University, GREECE ) Associate Prof.Dr.Chavalit Chaleeraktrakul (Thammasat University, THAILAND ) Associate Prof.Dr.Krittiya Lertpocasombut (Thammasat University, THAILAND ) Associate Prof.Dr.K Pianthong (Ubon Ratchathani University, THAILAND) Associate Prof.Dr.Thanaporn Supriyasilp (Chiang Mai University, THAILAND) Associate Prof.Dr. Junji SHIKATA (Yokohama National University, JAPAN) Associate Prof. Dr.Aree Taylor (Thammasat University, THAILAND) Assistant Prof.Dr. Akeel Noori Abdul Hameed (University of Sharjah, UAE) Assistant Prof.Dr. Atch Sreshthaputra (Chulalongkorn University, THAILAND) Assistant Prof.Dr. Rohit Srivastava (Indian Institute of Technology Bombay, INDIA) Assistant Prof.Dr. Watanachai Smittakorn (Chulalongkorn University, THAILAND ) Assistant Prof.Dr. Kitjapat Phuvoravan (Kasetsart University, THAILAND) Assistant Prof.Dr. Khiensak Seangklieng (Thammasat University, THAILAND ) Assistant Prof.Dr. Chainarong Chaktranond (Thammasat University, THAILAND ) Assistant Prof.Dr.Kridayut Chompoming (Thammasat University, THAILAND ) Assistant Prof.Dr. Nopporn Leeprechanon (Thammasat University, THAILAND ) Assistant Prof.Dr. Suphattra KETSARAPONG (Sripatum University, THAILAND ) Assistant Prof.Dr. Sawat Pararach (Thammasat University, THAILAND ) Assistant Prof.Dr. Winai Raksuntorn (Thammasat University, THAILAND ) Assistant Prof.Dr. Watit Pakdee (Thammasat University, THAILAND ) Assistant Prof.Dr. Cattaleeya Pattamaprom (Thammasat University, THAILAND ) Assistant Prof.Dr.Puttipol Dumrongchai (Chiangmai University, THAILAND ) Madam Wan Mariah Wan Harun (Universiti Sains Malaysia, MALAYSIA ) Dr. David Kuria (Kimathi University College of Technology, KENYA ) Dr. Mazran bin Ismail (Universiti Sains Malaysia, MALAYSIA ) Dr.Isares Duchallaya (Thammasat University, THAILAND ) Dr.Bandit Suksawat (King Mongkut's University of Technology North-Bangkok, THAILAND ) Dr. Salahaddin Yasin Baper (Salahaddin University - Hawler, IRAQ ) Dr. Foong Swee Yeok (Universiti Sains Malaysia, MALAYSIA) Dr.Orawan Chunhachart (Kasetsart University Kamphaengsaen Campus, THAILAND ) Dr. Manop Kaewmoracharoen (Chiang Mai University, THAILAND) 2013 International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies. :: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies Volume 4 Issue 4 (October, 2013) ISSN 2228-9860 http://TuEngr.com eISSN 1906-9642 FEATURE PEER-REVIEWED ARTICLES Relations between Structural Damage and Level of External Prestressing Force on the Flexural Behavior of Post-Tensioned Prestressed Concrete Beams 241 Bender’s Decomposition Method for a Large Two-stage Linear Programming Model 253 A Security Approach for Wireless Sensor Network in Agriculture Industry 269 Budget Allocation Assessment for Water Resources Project in Thailand Using GIS-based Water Poverty Index 283 Effect of Colchicine Tablets on Morphology of Torenia fournieri 299 Induced Mutation by Colchicine Treatment of Somatic Embryos in ‘Namwa’ Banana (Musa sp. ABB) 311 Contact & Office: • Associate Professor Dr. Ahmad Sanusi Hassan (Editor-in-Chief), School of Housing, Building and Planning, UNIVERSITI SAINS MALAYSIA, 11800 Minden, Penang, MALAYSIA. Tel: +60-4-653-2835 Fax: +60-4-657 6523, [email protected] • Associate Professor Dr. Boonsap Witchayangkoon (Executive Editor), Faculty of Engineering, THAMMASAT UNIVERSITY, Klong-Luang, Pathumtani, 12120, THAILAND. Tel: +66-2-5643005 Ext 3101. Fax: +66-2-5643022 [email protected] Postal Paid in THAILAND. i .