Citrus tristeza virus
[ˈsitrəs trisˈteizə ˈvaiərəs]
Citrus tristeza virus (CTV) is a viral species of the Closterovirus genus that causes the most economically damaging disease to its namesake plant genus, Citrus. The disease has led to the death of millions of Citrus trees all over the world and has rendered other millions useless for production.