Plants and other organisms have chemical defenses that give them an advantage against microorganisms such as fungi. Some of these compounds can be used as fungicides:McGrath, M.T. 2004. What are Fungicides. The Plant Health Instructor
. DOI: 10.1094/PHI-I-2004-0825-01. Updated 2016.Our editors will review what you’ve submitted and determine whether to revise the article.