Tomato Spotted Wilt Virus
Tomato spotted wilt virus
Common name
Tomato spotted wilt virus
Causal agent
It is caused by members of the genus Tospovirus and is commonly seen in indoor plants and those grown in greenhouses.
Symptoms & Signs
Typical disease symptoms include stunting, chlorosis, necrotic patches, mottling, irregular veins, and fruit discoloration. The leaves sometimes show bronzing, zig-zag patterns, or sunken spots and eventually die. Different hosts display different symptoms; however, all species show stunting.
Transmission
The virus is transmitted to healthy plants through thrips species, especially flower thrips. The larvae feed on infected plants, acquire the virus, and spread it to healthy plants when they feed on them.
Time of concern
Throughout the year
Common hosts
Tomato
Tobacco
Peanut
Dahlia
Begonia
Squash