First California Red Scale Memo for 2024 Season

The University of California Lindcove Research and Extension Center (LREC) has released its first California Red Scale (CRS) memo. Key points are outlined in the memo to help growers and pest control professionals better manage and control CRS. The memo includes important information and UC recommendations regarding the following:

  • Outlook for San Joaquin Valley CRS populations
  • Spray timing recommendations
  • Points to remember when choosing a management strategy
  • Management choices recommended by UC IPM
  • Recommendations for chemical control
  • Links to pesticide trials on CRS

Also note that CRS degree days (DD) for Kern, Tulare, Fresno, and Madera are updated on the LREC website biweekly using the CIMIS station data.

View CRS Memo


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