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We report a high-quality draft genome sequence of the domesticated apple (Malus × domestica). We show that a relatively recent (>50 million years ago) genome-wide duplication (GWD) has resulted in the transition from nine ancestral chromosomes to 17 chromosomes in the Pyreae. Traces of older GWDs partly support the monophyly of the ancestral paleohexaploidy(More)
Fire blight is the most important bacterial disease in apple (Malus ×  domestica) and pear (Pyrus communis) production. Today, the causal bacterium Erwinia amylovora is present in many apple- and pear-growing areas. We investigated the natural resistance of the wild apple Malus ×  robusta 5 against E. amylovora, previously mapped to linkage group 3. With a(More)
Fire blight, caused by the Gram-negative bacterium Erwinia amylovora, is the most important bacterial disease affecting apple (Malus × domestica) and pear (Pyrus communis) production. The use of antibiotic treatment, though effective to some degree, is forbidden or strictly regulated in many European countries, and hence an alternative means of control is(More)
Erwinia amylovora is the pathogen which incites fire blight - the most devastating bacterial disease affecting pome fruit production worldwide. So far, only one functionally proven gene for resistance to this disease has been reported in Malus, even though several quantitative trait loci (QTLs) have been identified. Since some highly aggressive strains are(More)
‘Antonovka’ has long been recognised as a major source of scab (Venturia inaequalis) resistance useful for apple breeding worldwide. Both major gene resistances in the form of the Rvi10 and Rvi17 and quantitative resistance, collectively identified as VA, have been identified in different accessions of ‘Antonovka’. Most of the ‘Antonovka’ scab resistance(More)
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