OUTBREAKS OF IMPATIENS NECROTIC SPOT VIRUS ON LETTUCE

The Impatiens necrotic spot virus (abbreviated INSV) was first found and documented on California lettuce in 2006. Every year since then, INSV has occurred on lettuce to a greater or lesser degree throughout coastal California and especially in the Salinas Valley. Starting in June 2018 and continuing through July, we are seeing this year’s expected […]