Vol. 31 No. 2 (2009)

Research Article

• Callus induction and plant regeneration of two Cuban rice cultivars using different seed explants and amino acid supplements

  Maylin Pérez-Bernal ⁽¹⁾, Magalis Delgado Rigo ⁽²⁾, Carlos Alberto Hernández Díaz ⁽³⁾, María Teresa Barceló Ávila ⁽⁴⁾, Raúl Armas Ramos ⁽⁵⁾

  (1) Research Department. Center for Genetic Engineering and Biotechnology of Sancti Spiritus. P.O.Box 83, PC 60200, Sancti Spiritus, Cuba. , Cuba ,

  (2) Research Department. Center for Genetic Engineering and Biotechnology of Sancti Spiritus. P.O.Box 83, PC 60200, Sancti Spiritus, Cuba., Cuba ,

  (3) Research Department. Center for Genetic Engineering and Biotechnology of Sancti Spiritus. P.O.Box 83, PC 60200, Sancti Spiritus, Cuba., Cuba ,

  (4) Research Department. Center for Genetic Engineering and Biotechnology of Sancti Spiritus. P.O.Box 83, PC 60200, Sancti Spiritus, Cuba., Cuba ,

  (5) Research Department. Center for Genetic Engineering and Biotechnology of Sancti Spiritus. P.O.Box 83, PC 60200, Sancti Spiritus, Cuba., Cuba

  1-15

  • ATR 31(2):1-15(2009)

  DOI : 10.32945/atr3121.2009

  Abstract View : 2

  ATR 31(2):1-15(2009) downloads: 0
• Sweetpotato weevil pheromones and their precursors: Dose-response and structure-activity relationship in Cylas formicarius Fabr., Cylas brunneus Olivier and Cylas puncticollis Boheman

  Erlinda A. Vasquez ⁽¹⁾, Dietmar Schmidt ⁽²⁾, Claus Peter Zebitz ⁽³⁾, Uwe Beifuss ⁽⁴⁾, Iris Klaibe ⁽⁵⁾, Jurgen Krosche ⁽⁶⁾, Remberto Patindo ⁽⁷⁾

  (1) Institut für Phytomedizin, Universität Hohenheim, 70599, Stuttgart, Germany, and Bioorganische Chemie, Institut für Chemie, Universität Hohenheim, 70599, Stuttgart, and Permanent Address: Philippine Root Crop Research & Training Center, Visayas State University, Visca, Baybay, Leyte 6521-A, Philippines , Philippines ,

  (2) Bioorganische Chemie, Institut für Chemie, Universität Hohenheim, 70599, Stuttgart, Germany ,

  (3) Institut für Phytomedizin, Universität Hohenheim, 70599, Stuttgart, Germany, Germany ,

  (4) Bioorganische Chemie, Institut für Chemie, Universität Hohenheim, 70599, Stuttgart , Germany ,

  (5) Bioorganische Chemie, Institut für Chemie, Universität Hohenheim, 70599, Stuttgart, Germany ,

  (6) Centro Internacional de la Papa, Lima, Peru, Peru ,

  (7) Department of Statistics, Visayas State University, Visca, Baybay, Leyte, Philippines , Philippines

  16-40

  • ATR 31(2):16-40(2009)

  DOI : 10.32945/atr3122.2009

  Abstract View : 15

  ATR 31(2):16-40(2009) downloads: 0
• Impacts of the Techno Gabay Program in Eastern Visayas, Philippines as revealed by stakeholders’ stories of significant change

  Editha G. Cagasan ⁽¹⁾, Ma. Theresa H. Velasco ⁽²⁾

  (1) Department of Development Communication, Visayas State University, Visca, Baybay, Leyte 6521-A, Philippines;, Philippines ,

  (2) College of Development Communication, Universityof the Philippines Los Baños, College, Laguna, Philippine, Philippines

  41-68

  • ATR 31(2):41-68(2009)

  DOI : 10.32945/atr3123.2009

  Abstract View : 27

  ATR 31(2):41-68(2009) downloads: 0
• A review of soil degradation in the Philippines

  Victor B. Asio ⁽¹⁾, Reinhold Jahn ⁽²⁾, Federico O. Perez ⁽³⁾, Ian A. Navarrete ⁽⁴⁾, Sergio M. Abit Jr ⁽⁵⁾

  (1) Department of Agronomy and Soil Science, Visayas State University, Baybay City, Leyte 6521-A, Philippines, Philippines ,

  (2) Soil Science and Soil Protection Division, Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Weidenplan 14, 06108 Halle, Germany, Germany ,

  (3) College of Agriculture, Central Luzon State University, Munoz, Nueva Ecija, Philippines., Philippines ,

  (4) United Graduate School of Agricultural Sciences, Iwate University, Iwate 020-8550, Japan, Japan ,

  (5) Department of Agronomy and Soil Science, Visayas State University, Baybay City, Leyte 6521-A, Philippines, Philippines

  69-94

  • ATR 31(2):69-94(2009)

  DOI : 10.32945/atr3124.2009

  Abstract View : 40

  ATR 31(2):69-94(2009) downloads: 2
• Improvement of the growth, yield, and tuber quality of purple yam through macro and micronutrient fertilization

  Anabella B. Tulin ⁽¹⁾

  (1) Philippine Root Crop Research and Training Center, Visayas State University, Visca, Baybay, Leyte 6521-A, Philippines, Philippines

  95-119

  • ATR 31(2):95-119(2009)

  DOI : 10.32945/atr3125.2009

  Abstract View : 21

  ATR 31(2):95-119(2009) downloads: 1
• Conditions leading to addiction and avoidance of massively multiplayer online role playing games (MMORPGs) among game addicts

  Neil Anthony C. Rusia ⁽¹⁾, Rotacio S. Gravoso ⁽²⁾

  (1) Department of Development Communication, Visayas State University, Baybay City, Leyte 6521-A, Philippines, Philippines ,

  (2) Department of Development Communication, Visayas State University, Baybay City, Leyte 6521-A, Philippines, Philippines

  120-147

  • ATR 31(2):120-147(2009)

  DOI : 10.32945/atr3126.2009

  Abstract View : 1

  ATR 31(2):120-147(2009) downloads: 1