August 20, 2025Phytopathology

Identification of New Sources of Resistance to Black Rot in a Collection of Vitis Species

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New sources of resistance to black rot have been identified, offering promising options for future grapevine breeding programs.
Out of the evaluated Vitis species, those from America showed strong resistance while Asian species were mostly susceptible.
Field evaluations conducted over three years confirmed previous findings about various species' resistance to black rot.
Breeding programs may utilize these new resistant sources, significantly impacting future grapevine yield and disease management.

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Evaluation of resistance to black rot in Vitis species over three years reveals new potential sources, indicating breeding opportunities.

Dumas et al. (2025) studied this question.

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