Identification of 17 ‘Candidatus Phytoplasma pyri’ genotypes based on the diversity of the imp gene sequence

Phytoplasmas of the apple proliferation group cause diseases in various fruit trees, mainly apples, pears and apricots. Immunodominant membrane protein, or ‘Imp’, shows high inter‐ and intraspecies gene variability, and is thus frequently used for population studies in these organisms. In this inves...

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