December 8, 2025Phytopathology ResearchOpen Access

Development of dense genetic maps for the pear (Pyrus communis L.) cultivars ‘Conference’ and ‘Harrow Sweet’ facilitates the identification of novel QTL for fire blight resistance

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Analysis uncovers genetic markers linked to fire blight resistance in Pyrus communis cultivars, highlighting breeding strategies.

Fire blight resistance inherits through specific QTL mapped in Pyrus communis cultivars.
Novel QTL were identified on linkage groups 2, 5, 11, and 17 following pathogen inoculation.
This work utilized genetic maps to enhance the molecular approach for breeding resistant pear varieties.
Understanding these genetic markers supports future breeding and development of resistant pear cultivars.

Zetzsche et al. (2025) studied this question.

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