Author: Veselina Boncheva
Issue 2
12. Development of Phragmidium Mucronatum in conventional, integrated and organic farming systems of oil-bearing rose (Rosa Damascena Mill.)
Author: Neshka Piperkova, Todorka Shirilinkova
13. Disease infestation on bulgarian and introduced walnut varieties in organic plantations
Author: Zvezdomir Zhelev, Martin Marinov, Enes Hasanov
14. Testing the susceptibility of barley varieties to economically important diseases
Author: Zvezdomir Zhelev, Spas Peev, Nevin Emin