List of Articles R. solani و P. oligandrum Open Access Article Abstract Page Full-Text 1 - Evaluation of some antagonistic aspects of Pythium oligandrum (Dresch) for biological control of Rhizoctonia solani (Kuhn), the causal agent of sugar beet damping-off in laboratory F. Farokhi, M. Hajian Shahri, M. Salari, H. Rohani,