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Published on: October 28, 2021
Characterization of Colletotrichum Isolates from Strawberry and Other Hosts with Reference to Cross-Inoculation
Gunjan Sharma1, Marcel Maymon1, Vineet Meshram1
1Department of Plant Pathology and Weed Research, Institute of Plant Protection, Agricultural Research Organization-Volcani Institute, Rishon LeZion 7505101, Israel.
Abstract:
Colletotrichum is an important phytopathogenic fungus that causes anthracnose disease in diverse agronomically important tropical food crops. Accurate pathogen identification is critical for early diagnosis and efficient management of anthracnose. ITS is not a reliable marker for this fungal genus due to its failure to phylogenetically resolve cryptic species. In this study, 36 Colletotrichum isolates belonging to the Acutatum, Boninense and Gloeosporioides species complexes were characterized using multigene phylogenetic analyses, morphology and pathogenicity assays. Additionally, the cross-inoculation potential of a representative subset of isolates was evaluated revealing that cross-infection potential is possible among the isolates belonging to the same species complex.
