ISHS Acta Horticulturae 234: VII International Symposium on Virus Diseases of Ornamental Plants
NEW VIRUSES AND VIRUS STRAINS |
| Author: | R.H. Lawson |
| Abstract:
Previously undescribed viruses, viroids, and mycoplasma have recently been recognized in nearly every major group of pathogens. Some of these "new" agents are in vegetable, ornamental and fruit crops that are widely grown. Others that have only recently been investigated are associated with indigenous crops and some infected weeds. New disease agents described from non-ornamental hosts are also included in this survey. | |
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