Chaowattanawong , P. , Punyawattoe , P. , Chaiyasingh , N. , Supornsin, S. , Sucharitamjariyangkul , W. , Thongsam, C. and Sangwan, V. 2020. Trunk Injection Application by Abamectin and Emamectin benzoate for Controlling Black Head Caterpillar, Opisina arenosella Walker in Nam-Hom Coconut. Thai Agricultural Research Journal. 38, 2 (Jul. 2020), 170–181. DOI:https://doi.org/10.14456/thaidoa-agres.2020.13.