1992•Journal of PhytopathologyRequires access

Demonstration of Mycoplasmas in Prunus Species in Germany

W. Jonathan Lederer, E. Seemüller

Abstract

Abstract In southwestern Germany, mycoplasmas were detected in peach (Prunus persica), apricot (P. armeniaca), almond (P. amygdalus), Japanese plum (P. salicina) and flowering cherry (P. serrulata). The infected trees showed yellowing and leaf roll symptoms as well as reduced terminal growth, die‐back, and decline. This is the first report on the detection of mycoplasmas in Prunus spp. In Germany. Zusammenfassung Nachweis von Mycoplasmen in Prunus‐Arten in Deutschiand In Südwestdeutschland wurden Mycoplasmen in Pfirsich (Prunus persica), Aprikose (P. armeniaca), Mandel (P. amygdalus), japanischer Pflaume (P. salicina) sowie in der Zierkirsche P. serrulata nachgewiesen. Die befallenen Bäume wiesen als wichtigste Symptome Blattvergilbung, Blattrollen, Kümmerwuchs und Absterbeerscheinungen auf. Dies ist der erste gesicherte Nachweis von Mycoplasmen in Prunus‐Arten in Deutschland.

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Key concepts: Prunus armeniaca, Prunus, Prunus salicina, Biology, Rosaceae, Botany, Horticulture, Fruit tree