University of California
TSWV Field Risk Index and Thrips Projections
Yolo/Colusa
Weather situation
Thrips population status
2024 5th report (April 30th)
General situation Temperatures remain close to historic normals, and are predicted to remain moderate for the next few weeks. Planting is progressing throughout the Sacramento Valley. I've started to see some early TSWV infections in March-planted...
2024 4th report (April 17th)
General situation The colder weather has delayed thrips population development by a few days, but overall the outlook hasn't changed much from last report. The oldest tomatoes have been in ground for more than a month, and planting is progressing...