Localisation and movement of Plum pox virus in apricot stem tissues

Summary Localisation and movement of Plum pox virus (PPV), sharka disease, in stem tissues of susceptible and resistant apricot (Prunus armeniaca L.) cultivars was studied. Two different assays were performed. In the first assay, apricot cultivars were grafted on to a non‐inoculated GF305 peach root...

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Bibliographic Details
Published in:Annals of applied biology 2003-02, Vol.142 (1), p.99-105
Main Authors: DICENTA, F, MARTÍNEZ-GÓMEZ, P, RUBIO, M, AUDERGON, J M
Format: Article
Language:English
Subjects:
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
immuno-tissue printing
Life Sciences
long-distance movement
Plum pox virus
Prunus armeniaca L
virus
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Summary:Summary Localisation and movement of Plum pox virus (PPV), sharka disease, in stem tissues of susceptible and resistant apricot (Prunus armeniaca L.) cultivars was studied. Two different assays were performed. In the first assay, apricot cultivars were grafted on to a non‐inoculated GF305 peach rootstock and, after two months, the sprouted apricot was inoculated by chip‐grafting. In the second assay, apricot cultivars were grafted on to a previously chip‐inoculated GF305 showing strong PPV symptoms. Localisation of virus was studied in apricot stem by immuno‐tissue printing and sharka symptoms in GF305 and apricot leaves were also observed. Virus was mainly localised in the xylem, and sometimes in the cortex and pith. Results revealed that, while all the cultivars allowed limited virus movement from the inoculation point, only the susceptible cultivars (Screara, Bebeco and Colomer) allowed long distance movement and even showed symptoms in leaves.
ISSN:0003-4746
1744-7348
DOI:10.1111/j.1744-7348.2003.tb00234.x