Of Stone Fruit Bacterial Pathogens - Cost 873
Of Stone Fruit Bacterial Pathogens - Cost 873
Of Stone Fruit Bacterial Pathogens - Cost 873
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Xanthomonas arboricola pv. pruni (EPPO Quarantine ListA2) - <strong>Bacterial</strong> leaf spot, shot-hole, black spot of almond,apricot, nectarine, peach, plum and prune• In Italy since 1920, Romania 1941, Bulgaria,Slovenia, in France since 1995.• Peach, nectarine: leaf phase importantoverwintering in small twig cankers. Cankerformation not so important• Plum and apricot: hold-over cankers also on 2-3year old branches important and often quitedamaging• Cherry: fruit infection more important• Temperatures 15-28C, heavy rain and wind inspringtime favour epidemics• Apparently less important on almond• Risk for NW Europe when climate changestowards warmer will persist
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