1. Department of Crop Science, Faculty of Agriculture and Food Sciences, Universiti Putra Malaysia, Bintulu Sarawak Campus, Bintulu, Malaysia
2. Institute of Tropical Agriculture and Food Security (ITAFos), Universiti Putra Malaysia, Serdang, Malaysia
3. Institute of Tropical Forestry and Forest Product (INTROP), Universiti Putra Malaysia, Serdang, Malaysia