Incidence of Prunus necrotic ringspot virus in Jordan

N. Salem, A. Mansour, A. Al-MUsa, A. Al-Nsour

Abstract


A survey of Prunus necrotic ringspot virus (PNRSV) incidence in Jordan stone-fruit growing areas was
conducted during 2000–2002. A total of 2552 samples were collected from 72 commercial orchards, a mother block, 15
nurseries, and a varietal collection. A total of 208 almond, 451 apricot, 149 cherry, 250 nectarine, 1016 peach, and 478
plum trees were tested individually for PNRSV by the double-antibody sandwich enzyme linked immunosorbent
assay (DAS-ELISA). Around 15% of tested samples were infected with PNRSV. The virus incidence in almond, nectarine,
plum, peach, cherry, and apricot was 24, 16, 16, 14, 13, and 10% of tested trees respectively. The level of viral
infection was highest in the mother block (19%), and lowest in the samples from the nurseries (10%).

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DOI: http://dx.doi.org/10.14601/Phytopathol_Mediterr-1717



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