The most effective method of controlling or preventing viral diseases in plants is by
Answer Details
Prevention, or at least alleviation, of the effects of viruses, involves: (1) Elimination of sources of virus. (2) Elimination of the virus from infected plants. (3) Control of vectors. (4) Breeding for resistance and the use of cross-protection methods. Each of these approaches to control will be considered. Planting resistant varieties of a plant/crop is the most effective method of controlling or preventing viral diseases since, the varieties can resist viral infections.