In fact, LSV can cause significant symptoms and growth reduction in infected plants. Like many other viruses, the symptoms caused by LSV infection are generally induced, or greatly affected, by environmental factors.
Symptoms can include chlorotic streaking, necrotic flecking , and stunted growth.
Lily Symptomless Virus is transmitted by aphids, and can also be passed on through bulbs. Any program designed to produce virus-free lily plants should include a diagnostic test that helps assure elimination of this common and potentially damaging virus.