Musi Banyuasin is one of the regencies in South Sumatra province that is engaged in the agricultural sector. The leading commodity in Musi Banyuasin Regency is the duku plant. However, duku plants are not easy to cultivate, especially with the presence of diseases such as Ceratocystis. Ceratocystis is a fungus that causes wilt disease that threatens many forestry and annual plants. The spread o…