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Healthy and Barley yellow dwarf virus infected wheat leaves
Author: Keith Weller
Source: Wikimedia Commons


The plant viruses belonging to this family often cause yellowing symptoms in their hosts. They are transmitted by aphids in a persistent, circulative, non-propagative manner, but not mechanically. Once the aphids have acquired the virus, they stay infectious for days or weeks and even after molting. The particles are non-enveloped, isometric (spherical) with a diameter of 25-30 nm. The genome is monopartite, linear and composed of ssRNA(+) with a length of 5.3-5.7 kb.

The following genera are currently entered under Luteoviridae: