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Diversity And Cross-Infection Potential Of Colletotrichum On Apples And Small Fruits In Kentucky Mixed-Fruit Orchards, Madison Julia Eaton
Diversity And Cross-Infection Potential Of Colletotrichum On Apples And Small Fruits In Kentucky Mixed-Fruit Orchards, Madison Julia Eaton
Theses and Dissertations--Plant Pathology
Fungi in the genus Colletotrichum cause apple, blueberry, and strawberry fruit rots, which result in significant losses for Kentucky growers. Most orchards in Kentucky are agritourism-focused and grow multiple fruits in close proximity. These mixed-fruit orchards may facilitate Colletotrichum cross-infection, which has serious management implications. Small fruit and apple Colletotrichum isolates from Kentucky orchards were characterized by morphotype, phylogenetic species identification, cross-inoculation, genome sequencing, and telomere fingerprinting. The small fruit isolates grouped into seven morphotypes, representing two species complexes: C. acutatum and C. gloeosporioides. All blueberry isolates belonged to the species C. fioriniae, and the majority of strawberry …