1. Doctoral Program of Agricultural Science, Faculty of Agriculture, Universitas Padjadjaran, Sumedang 45363, Indonesia
2. Department of Biology Education, Faculty of Teacher Training and Education, Universitas Khairun, Ternate 97728, Indonesia
3. Department of Soil, Faculty of Agriculture, Universitas Padjadjaran, Sumedang 45363, Indonesia
4. Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Padjadjaran, Sumedang 45363, Indonesia
5. Sensient Technologies Corporation, 777 E Wisconsin Ave, Milwaukee, WI 53202, USA
6. Department of Agronomy, Faculty of Agriculture, Universitas Padjadjaran, Sumedang 45363, Indonesia