Richard Smith is the UC Cooperative Extension Vegetable Crop Production and Weed Science Advisor for Monterey, Santa Cruz and San Benito counties and Daniel Hasegawa is a USDA ARS Research Entomologist for the Crop Improvement and Protection Research Unit in Salinas, California.

From the Salinas Valley Agriculture blog | November 23, 2020

Impatiens necrotic spot virus (INSV) caused significant crop loss in 2020. The disease was most severe north of Gonzales, but later in the production season it...