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ISHS Acta Horticulturae 567: IV International Strawberry Symposium

PHYTOPLASMAS IN STRAWBERRY WITH FRUIT PHYLLODY

Authors:   R. Jomantiene, J.L. Maas, E.L. Dally, R.E. Davis
Keywords:   Fragaria x ananassa, diseases, leafy fruit
DOI:   10.17660/ActaHortic.2002.567.137
Abstract:
We have found four distinct phytoplasmas associated with phyllody of strawberry fruit: strawberry multicipita (SM) phytoplasma phylogenetically classified in 16S rRNA (16Sr) group VI, subgroup B), STRAWB2 phytoplasma (16Sr I, subgroup K), clover yellow edge phytoplasma (16Sr III, subgroup A), and a new Group III phytoplasma. The SM and STRAWB2 phytoplasmas were detected in plants with phylloid fruit that also exhibited stunting and crown proliferation (SM phytoplasma) or stunting and leaf chlorosis (STRAWB2 phytoplasma). This is the first report to associate strawberry fruit phyllody with the presence of these phytoplasmas, and to suggest that fruit phyllody in strawberry may be a general symptom associated with phytoplasma infection.

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