1. Department of Crop Science, Faculty of Agriculture and Food Sciences, University Putra Malaysia Bintulu Sarawak Campus, Bintulu, Sarawak, Malaysia
2. Agriculture and Environment, Borneo Eco-Science Research Center, Faculty of Agriculture and Food Sciences, University Putra Malaysia Bintulu Sarawak Campus, Bintulu, Sarawak, Malaysia
3. Institute of Tropical Forestry and Forest Products (INTROP), University Putra Malaysia, Serdang, Selangor, Malaysia