Abstract
Anthracnose of strawberry caused by Colletotrichum fungi is a dangerous disease associated with serious damage in berry plantations. Colletotrichum nymphaeae, C. lineola, and C. godetiae have been found in Russian and international planting material of strawberry plants. The cultural and morphological characteristics are described for the isolates and nucleotide ITS1-5.8S-ITS2 sequences of fragments received are identified. It is shown that the fragments of glyceraldehyde 3-phosphate dehydrogenase and actin genes can be used to efficiently differentiate the C. lineola species from the closely related С. dematium. Two diagnostic test systems for acutatum complex identification are compared. The studied test systems do not demonstrate any false-positive results; the prepared set of С. acutatum complex-RT (ZAO Sintol) shows specificity only for the C. nymphaeae and C. fioriniae species and turned out to be nonspecific to the C. godetiae species included in the acutatum complex. The test system elaborated by Garrido et al. is found to be highly sensitive and specific to the target species of the acutatum complex.
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