Journal of Plant Pathology (2009) 91, 697-700

M.A. Castellano, A. De Stradis, A. Minafra, D. Boscia and G.P. Martelli (2009)
Seed transmission of Fig latent virus 1
Journal of Plant Pathology 91 (3), 697-700
Abstract: The transmission through seeds of Fig latent virus 1 (FLV-1), a putative member of the genus Trichovirus, was investigated. Batches of seedlings of different age (1-yearold and 4-weeks-old) and geographical origin (Italy, Greece and Turkey) were analyzed by immunosorbent electron microscopy (ISEM) using a virus-specific antiserum. FLV-1 was detected in all groups of seedlings, the great majority of which were symptomless. Infection rate ranged from 73 to 100% (average 92%). Bundles of virus particles were observed in the cytoplasm of mesophyll cells of symptomless seedlings and positive RT-PCR responses were obtained in a few random assays using FLV-1-specific primers. The high transmission rate differentiates FLV-1 from most of the other seed-transmitted plant viruses which, in general, have a lower transmission frequency, and from the extant trichoviruses, none of which is apparently transmitted though seeds.
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Database assignments for author(s): Angelo De Stradis

Research topic(s) for pests/diseases/weeds:
transmission/dispersal of plant diseases

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Fig latent virus 1	Ficus (crop)	Greece
	Fig latent virus 1	Ficus (crop)	Italy
	Fig latent virus 1	Ficus (crop)	Turkey