1. Division of Plant Pathology, Department of Crop Protection, College of Agriculture University of Southern Mindanao Kabacan, Cotabato Philippines
2. Genetic Resources and Improvement Division Philippine Rubber Research Institute (PRRI) Naga, Zamboanga Sibugay Philippines
3. Crop Management Division Philippine Rubber Research Institute (PRRI) Naga, Zamboanga Sibugay Philippines
4. Forestry and Environment Research Division, Philippine Council for Agriculture, Aquatic, and Natural Resources Research and Development Department of Science and Technology (DOST) Los Baños, Laguna Philippines