1. Faculty of Agriculture, Department of Plant Protection, Universiti Putra Malaysia, Serdang, Malaysia;
2. Faculty of Biotechnology and Biomolecular Sciences, Department of Cell and Molecular Biology, Universiti Putra Malaysia, Serdang, Malaysia;
3. Laboratory of Sustainable Resources Management, Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, Serdang, Malaysia