kerfisferlar
Kerfisferlar is an Icelandic term used to describe a broad group of fungi that colonize plant hosts systemically, spreading through vascular tissues rather than remaining localized at the site of initial infection. In practice, the term covers fungi from several lineages that cause systemic infections, most often in vascular tissues such as xylem and phloem. Because it is a functional rather than a formal taxonomic category, kerfisferlar include species in multiple genera within Ascomycota and Basidiomycota, among others.
Pathogens referred to as kerfisferlar typically enter through roots or wounds, colonize the xylem or phloem,
Kerfisferlar affect a broad range of crops and ornamental plants, with significant economic impact in areas
Because kerfisferlar is used as a functional description rather than a strict taxonomic group, researchers may