New Fire Blight and Scab Resistant Pyracanthas
A Pyracantha breeding programme was started in 1982, to obtain resistance to fire blight (Erwinia amylovora) and scab (Spilocaea pyracanthae), and frost resistance. The ornamental criterion was a heavy long-lasting fruiting period. Cross pollination of different species and cultivars in INRA'S collection produced hybrids tested against scab and fire blight. Best hybrids were then cloned and tested again in a glasshouse. Observations were made on flowering and fruiting abilities. All hybrids have endured two hard winters with temperatures falling down to -15°C without snow protection. Two cultivars were selected and released to trade.
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