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Candidatus Phytoplasma prunorum Seemüller and Schneider, 2004 - (European stone fruit yellows phytoplasma).
The phytoplasma induces apricot chlorotic leaf roll, leptonecrosis, Japanese plum decline and other diseases of Prunus crops in Europe and neighbouring countries. The symptoms include chlorosis, tree decline or die-back as well as disorders like early bud break and leaf rolling.
It is transmitted through planting material and the psyllid Cacopsylla pruni. Resistance of host plants to the disease varies and several strains of the phytoplasma have been described. Cases of recovery from infections have been also reported. Management relies mainly on the control of the vector. The development of resistant cultivars is in progress.
|• Deutsch:||chlorotisches Blattrollen des Steinobstes|
|• English:||European stone fruit yellows phytoplasma
Japanese plum decline
German stone fruit yellows phytoplasma
|• Français:||enroulement chlorotique de l'abricotier|
The phytoplasma has been assigned to subgroup F of the 16SrX phytoplasma group. The reference strain is ESFY-G1R.
For identification procedures see the EPPO (2917) Standard PM 7/62 (2).