Rommel C. Sulabo, Ph.D.
Editor-in-chief
Institute of Animal Science
College of Agriculture and Food Science, University of the Philippines Los Baños
Barbara L. Caoili, Ph.D.
Executive Editor
Institute of Weed Science, Entomology and Plant Pathology
College of Agriculture and Food Science
University of the Philippines Los Baños
Merdelyn C. Lit, Ph.D.
Technical Editor
Institute of Plant Breeding
College of Agriculture and Food Science
University of the Philippines Los Baños, Laguna
Lourdes B. Columbres, MBA
Managing Editor
Maria Dominique L. Culing
Language Editor
Ace B. Zacarias
Circulation
SECTION EDITORS
JOSE E. HERNANDEZ, Ph.D.
Institute of Crop Science
College of Agriculture and Food Science, University of the Philippines Los Baños
BARBARA L. CAOILI, Ph.D.
Institute of Weed Science, Entomology and Plant Pathology
College of Agriculture and Food Science, University of the Philippines Los Baños
POMPE C. STA CRUZ, Ph.D.
Institute of Crop Science
College of Agriculture and Food Science, University of the Philippines Los Baños
KEVIN F. YAPTENCO, Ph.D.
Department of Agricultural Bio Processing
College of Engineering and Agro-Industrial Technology, University of the Philippines Los Baños
MERDELYN C. LIT, Ph.D.
Institute of Plant Breeding
College of Agriculture and Food Science
University of the Philippines Los Baños
FILOMENA C. STA. CRUZ, Ph.D.
Institute of Weed Science, Entomology and Plant Pathology
College of Agriculture and Food Science
University of the Philippines Los Baños
VIRGINIA R. CARDENAS, Ph.D.
Institute of Governance and Rural Development
College of Public Affairs and Development
University of the Philippines Los Baños
ELDA B. ESGUERRA, Ph.D.
Postharvest Horticulture Training and Research Center
College of Agriculture and Food Science
University of the Philippines Los Baños
ZENAIDA M. SUMALDE, Ph.D.
Department of Economics
College of Economics and Management, University of the Philippines Los Baños
FLOIRENDO P. FLORES, Ph.D.
Institute of Food Science and Technology
College of Agriculture and Food Science
University of the Philippines Los Baños
JESSAMYN R. ADORADA, Ph.D.
Institute of Weed Science, Entomology and Plant Pathology
College of Agriculture and Food Science
University of the Philippines Los Baños
CONSUELO AMOR S. ESTRELLA, Ph.D.
Institute of Animal Science
College of Agriculture and Food Science
University of the Philippines Los Baños
MUDJEKEEWIS D. SANTOS, Ph.D.
National Fisheries Research and Development Institute
Diliman, Quezon City
ANALIZA HENEDINA M. RAMIREZ, Ph.D.
Institute of Weed Science, Entomology and Plant Pathology
College of Agriculture and Food Science
University of the Philippines Los Baños
PEARL B. SANCHEZ, Ph.D.
Agricultural Systems Institute
College of Agriculture and Food Science
University of the Philippines Los Baños
HONORARY ADVISORY BOARD
CLARE R. BALTAZAR, Ph.D.
EVELYN MAE TECSON-MENDOZA, Ph.D.
RICARDO M. LANTICAN, Ph.D.
RAFAEL D. GUERRERO, Ph.D.
National Scientists & Alumni of the College of Agriculture
University of the Philippines Los Baños
National Academy of Science and Technology
Philippines Department of Science and Technology (DOST)
Bicutan, Taguig City, Metro Manila, Philippines; e-mail: secretariat@nast.ph
EDITORIAL CONSULTATIVE BOARD
JOSE RAMON BOTELLA, Ph.D.
School of Biological Sciences, University of Queensland
Brisbane, Queensland, Australia
JANE HAGGIS, Ph.D.
Center for Development Studies, Flinders University
Adelaide, South Australia
IAN COXHEAD, Ph.D.
Department of Agricultural and Applied Economics, University of Wisconsin
Madison, Wisconsin, U. S. A.
LYLE E. CRAKER, Ph.D.
Department of Plant, Soil and Insect Sciences, University of Massachusetts Amherst
Amherst, Massachusetts, U. S. A.
FABIAN M. DAYRIT, Ph.D.
College of Science, Ateneo de Manila University
Quezon City, Philippines
ERNESTO J. DEL ROSARIO, Ph.D.
(Professor Emeritus)
Institute of Chemistry, University of the Philippines Los Baños
College, Laguna, Philippines
SALCEDO L. EDUARDO, Ph.D.
College of Veterinary Medicine, University of the Philippines Los Baños
College, Laguna, Philippines