Evaluation of Strawberry <i>Colletotrichum</i> spp. Genetic Diversity in Lithuania

Evaluation of Strawberry <i>Colletotrichum</i> spp. Genetic Diversity in Lithuania

Strawberry anthracnose is becoming more important from a scientific and economic standpoint. The <i>Colletotrichum</i> spp. pathogen complex includes <i>C. fragariae, C. gloeosporioides</i> and <i>C. acutatum</i>. The aim was to use microsatellite (SSR) markers to...

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Main Authors: Armina Morkeliūnė, Neringa Rasiukevičiūtė, Birutė Frercks, Vidmantas Bendokas, Raminta Antanynienė, Ingrida Mažeikienė, Viktorija Vaštakaitė-Kairienė, Rasa Karklelienė, Alma Valiuškaitė
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Agronomy
Subjects:
<i>C. gloeosporioides</i>
<i>C. fragariae</i>
<i>C. acutatum</i>
SSR
PIC
Online Access:https://www.mdpi.com/2073-4395/15/3/720
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Summary:Strawberry anthracnose is becoming more important from a scientific and economic standpoint. The <i>Colletotrichum</i> spp. pathogen complex includes <i>C. fragariae, C. gloeosporioides</i> and <i>C. acutatum</i>. The aim was to use microsatellite (SSR) markers to assess the genetic diversity of <i>Colletotrichum</i> species. We used seven SSR primer pairs previously developed for the <i>C. acutatum</i> (3) and <i>C. gloeosporioides</i> (4) species. To analyze the genetic diversity of <i>C. fragariae</i>, it was discovered that SSR primer pairs created for <i>C. gloeosporioides</i> were helpful. SSR molecular markers were used in this study for the first time to identify the species of <i>C. fragariae</i>. The average polymorphism information content (PIC) value across all SSR primer pairs was 0.72, making them all informative. The most informative SSR primers were CG22 and CG30, with PIC values of 0.83 and 0.82, respectively. We believe these primers are suitable for the genetic diversity analysis of <i>C. fragariae</i> species. Therefore, the SSR primer pairs CG20 and CG30 are suggested for the genetic investigation of <i>C. acutatum</i> and <i>C. gloeosporioides</i>. A higher incidence of <i>Colletotrichum</i> spp. polymorphism in Lithuania can be linked to adaptation to survival in our environment, according to this study’s findings on the number of alleles and the degree of genetic diversity, which are higher than the results reported in the literature.
ISSN:2073-4395

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