Detection and distribution of petunia asteroid mosaic virus (PeAMV) in sweet cherry trees affected by viral twig necrosis

E. Pfeilstetter, L. Kunze, V. Zinkernagel

Research output: Contribution to journalArticlepeer-review

Abstract

The distribution of petunia asteroid mosaic virus (PeAMV) in leaves, fruits, twig-tips, bark, and buds of diseased sweet cherry trees was found to be uneven by enzyme-linked immunosorbent assay (ELISA). The virus could be detected reliably only in samples showing symptoms. In attempts to detect the virus at an early stage of infection composite samples of randomly collected buds, flowers, and roots from trees with different degrees of damage were tested. Infected trees showing few or no symptoms of viral twig necrosis could be identified only rarely by ELISA. Cherries cannot therefore be tested reliably for symptomless infection with PeAMV by ELISA. An early virus detection would be important to exclude infected stock and nursery material from further propagation or dissemination.

Original languageEnglish
Pages (from-to)106-112
Number of pages7
JournalGartenbauwissenschaft
Volume62
Issue number3
StatePublished - 1997

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