Effect of Cucumber Mosaic Virus on Tomato Growth and Development
I. Greenhouse Pot Trial

Plant Protection Institute, BG-2230 Kostinbrod, Bulgaria


HRISTOVA, D. and S. MANEVA, 2002. Effect of cucumber mosaic virus on tomato growth and development. I. Greenhouse Pot Trial. Bulg. J. Agric. Sci., 8: 359–363

The investigation was carried out at the Plant Protection Institute in the town of Kostinbrod in a greenhouse pot trial for a period of three years.
The effect of cucumber mosaic virus on tomato growth and development when infected at different phenophases – from cotyledons to 10th true leaf, was studied. The results showed that infection damaged differently the separate vegetative organs of tomato. It was proved serologically that plants infected in the period of cotyledon to 4th true leaf stages had the highest virus concentration. The index of depression was calculated that reflects the complex effect of infection on plants. It was found that the rate of virus infection effect on tomatoes depended on the development phase, during which they had been inoculated. It was proved that tomatoes are highly sensitive to CMV when infected in the period of cotyledon through 10th true leaf, incl.

Key words: cucumber mosaic virus, tomato, infection