Tobacco Rattle virus

TRV

Objawy

• Infected tubers often produce healthy plants
• In some cases a stunted stem will be produced
• Leaves can appear mottled, sometimes with yellow chevrons and pinched tips
• Varietal differences in susceptibility
• Tuber symptoms of brown arcs (spraing) in susceptible varieties

Infection and spread

• Nematode hosts (Paratrichodorus spp. and Trichodorus spp.)
• Nematodes can feed on a wide range of plants
• Solanum dulcamara (woody nightshade) often grows along watercourses and can infect irrigation water

Possible confusion with

• Potato mop-top virus (PMTV)