The Resistance of Potatoes by Application of Trichoderma viride Antagonists Fungus Purwantisari Susiana, Priyatmojo Achmadi, P. Sancayaningsih Retno, S. Kasiamdari Rina and Budihardjo Kadarwati E3S Web Conf., 73 (2018) 06014 Published online: 21 December 2018 DOI: 10.1051/e3sconf/20187306014