This handbook is a pictorial guide to common parsleydiseases,, however, symptoms can be similar and professional diagnostic testing may be required to identify the cause positively. Learn more about Parsley uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Parsley. Management strategies for parsleydiseases recently studied include biological, cultural, chemical and physical control, genetic resistance, and their integration. Parsley is an aromatic plant with an erect growth habit and possesses branched, hollow stems and dark green flat or curled leaves which are arranged alternately on the stems. Kidney disease: Don't take parsley if you have kidney disease. Parsley contains chemicals that can make kidney disease worse. This “Guide to Common DiseasesofParsley” (2006, 46 pages), describes 18 parsleydiseases and disorders common across Australia. Most disease pathogens affect the foliage, but a few diseasesofparsley can attack the crown and roots and cause the plant to die. Preventing parsley plant diseases begins with good site... Ideal conditions for successful growth include well-drained soils and adequate moisture. Following are some common diseases that may attack your parsley. Guide to Common Diseases and DisordersofParsley. Elizabeth Minchinton Desmond Auer Heidi Martin Len Tesoriero. Fungicides or bactericides for management of fungal or bacterial diseases on parsley foliage are applied on an “as needed” basis; there are no prophylactic applications.