INFECTION OF TOMATO AND BELL PEPPER BY ToMV AND TMV AT DIFFERENT GROWTH STAGES AND ESTABLISHMENT OF VIRUS IN SEEDS

Tomato and bell pepper were inoculated with tomato mosaic Virus (ToMV) or tobacco mosaic virus (TMV) when they were 35, 50, 90, and 110 days old. Both viruses infected both tomato and bell pepper irrespective of growth stages. The virus in the leaf was quantified by local lesion assay and that in se...

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Bibliographic Details
Published in:Journal of plant pathology 1999-07, Vol.81 (2), p.123-126
Main Authors: Chitra, T.R., Prakash, H.S., Albrechtsen, S.E., Shetty, H.S., Mathur, S.B.
Format: Article
Language:English
Subjects:
Infections
Inoculation
Leaves
Lesions
Lycopersicon esculentum
Peppers
Phytopathology
Plant growth
Plants
Seeds
Tobacco mosaic virus
Tomato mosaic virus
Viruses
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Summary:Tomato and bell pepper were inoculated with tomato mosaic Virus (ToMV) or tobacco mosaic virus (TMV) when they were 35, 50, 90, and 110 days old. Both viruses infected both tomato and bell pepper irrespective of growth stages. The virus in the leaf was quantified by local lesion assay and that in seed was determined by local lesion assay and ELISA. The viruses became established in the seeds, irrespective of growth stage at time of inoculation. However, the concentration of virus was high in seeds when the plants were inoculated early. Bell pepper and tomato are the preferred hosts for TMV and ToMV respectively. Piante di pomodoro e peperone di 35, 50, 90 e 110 giorni sono state inoculate col virus del mosaico del pomodoro (ToMV) o col virus del mosaico deltabacco (TMV). Entrambi i virus hanno infettato sia pomodoro che peperone a prescindere dallo stadio di crescita. II virus nelle foglie è stato quantificato mediante saggio delle lesioni localizzate e quello nei semi è stato determinato tramite saggio delle lesioni localizzate ed ELISA. I virus si sono stabiliti nei semi indipendentemente dallo stadio di crescita al momento dell'inoculazione, ma, la concentrazione del virus nei semi era alta quando le piante erano inoculate precocemente. Peperone e pomodoro sono gli ospiti preferenziali di TMV e ToMV rispettivamente.
ISSN:1125-4653
2239-7264