Abstract

Tomato is the most widely produced vegetable crop in the world. It is damaged by a number of fungal, bacterial, and viral pathogens which reduce fruit yields and quality. Viral infections are a major factor limiting tomato production. Due to the considerable economical losses, management of viral diseases is of a vital significance for tomato production. Despite all investigations in viral diseases control, no antiviral products are available for plant disease management till now. This chapter emphasizes the ecological methods for virus control in tomatoes—induction of system-acquired resistance (SAR), posttranscriptional gene silencing (PTGS), plant and microbial extracts against viruses and resistant tomato cultivars to virus infection.

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