- Author: Richard Smith
- Posted by: Gale Perez
Richard Smith is the University of California Cooperative Extension Monterey County Vegetable Crop Production and Weed Science Farm Advisor. He also covers Santa Cruz and San Benito counties.
Weeds are an important host of Impatiens Necrotic Spot Virus (INSV) in the Salinas Valley. It is a tospovirus that is spread primarily by western flower thrips (Frankliniella occidentalis). It has a wide host range of over 600 species of plants, including vegetables such as lettuce, tomatoes and peppers and many ornamentals. In the Salinas Valley, many weed species serve as a...
- Author: Richard Smith
- Posted by: Gale Perez
Richard Smith is the Vegetable Crops and Weed Science Farm Advisor in Monterey County, California.
Impatiens Necrotic Spot Virus (INSV) in the Salinas Valley is a tospovirus that is spread primarily by western flower thrips (Frankliniella occidentalis). It has a wide host range of over 600 species of plants, including vegetables such as lettuce, tomatoes and peppers, ornamental such as fuchsias, dahlias and gazanias, and many weeds (see below). In the summer months when INSV is well established, lettuce production fields serve as the primary host of the virus, and thrips fly from infected fields that are being harvested to younger unharvested fields, and in that way, propagate and spread...
