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Reconstructing Puccinia graminis f. sp. tritici Genetic Diversity in South Africa Using Herbarium Specimens.

Plant disease - 1 Jun 2026

Visser Botma, Bender Cornelia M, Herselman Liezel, Jacobs Adriaana, Park Robert F, Boshoff Willem H P, Pretorius Zacharias A

Abstract excerpt

In the absence of viable Puccinia graminis f. sp. tritici (Pgt) isolates described before 1980, 15 herbarium specimens collected between 1906 and 1945 and 13 isolates representing current South African races were used to investigate the genetic evolution of the local Pgt population. The study was restricted by complications commonly associated with herbarium specimens, namely, severely degraded genomic DNA and...

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PMID: 41157835
DOI: 10.1094/PDIS-06-25-1302-RE

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