List of Articles Phytophthora nicotianae Open Access Article Abstract Page Full-Text 1 - Study on the infections status and important agronomic factors in severity of black shank disease of tobacco in Golestan province seyyed afshin sajjadi Mohammad Ali Aghajani Hoda Assemi Mohammad Reza Najafi Open Access Article Abstract Page Full-Text 2 - Status of tobacco black shank disease in Golestan province سید افشین سجادی محمدعلی آقاجانی هدی عاصمی محمدرضا نجفی Open Access Article Abstract Page Full-Text 3 - Identification and pathogenicity of fungal agents of root and crown rot of some cucurbit crops in shahrood region زهرا Iraqi کامران Rahnama مجتبی Mamarabadi فرخنده Ommati