| Almost all citrus plants are symptomless if grown on their own roots or on a CiTLVtolerant rootstock. |
| Infection by this strain may be symptomless or produce mosaic symptoms, both mild and severe. |
| They are either symptomless or may cause disturbances such as halos around lights especially at night, blurring of vision or photophobia. |
| An individual infected with it may remain symptomless for several years and then relapse. |
| The results of this survey showed that IYSV was widespread in onion crops in 2008, mainly causing symptomless infections. |
| The symptomless infected seeds carry thin and hyaline mycelium in the tegmen, endosperm, and space between the endosperm and embryo. |
