Viral Plant Diseases

Viral Plant Diseases:-
1. Tomato Mosaic Virus:-
Pathogen:-
> Tomato mosaic virus (ToMV) is a member of family tobamoviridae and belongs to the genus tobamovirus, which is a plant pathogenic virus. 
> It is found worldwide and affects tomatoes and many other wide host range plants including many agricultural crops and weeds such as tobacco and beans, all of which can serve as inoculum sources. 
> The tomato crop is highly susceptible to the Tomato mosaic virus (ToMV). 
> The symptoms vary from tiles, wrinkle, reduction and curvature of leaflets, and irregular ripening of fruits. 
> This disease requires attention because of its easy dissemination by contact, cultural practices, or contaminated seed.

2. Yellow Vein Mosaic of Bhindi:-
Pathogen:- Yellow Vein Mosaic Virus (YVMA)
Vector:- It is transmitted by white flies (Bemisia tabaci) and the okra leaf hopper (Empoasca devastans).