Genetic diversity analysis reveals weak population structure in invasive Trianthema portulacastrum L. at Fayoum depression, Egypt

Trianthema portulacastrum L. (Aizoaceae) is a common weed associated with cultivated crops. It is an exotic weed that originated in South Africa and is spreading all over the world. Thirty-five accessions were collected from six populations at Fayoum depression (FD), Egypt. Molecular analyses of start codon targeted (SCoT) markers were performed to identify genotypic variation among collected populations. The effectiveness of employing SCoT markers was demonstrated by the high percentage of polymorphisms. These markers revealed high genetic diversity, as well as high levels of genetic differentiation (GST), elevated gene flow (Nm) ( and , respectively), high variation among a population and lower variation within populations. |

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