Archive Nut, Prune and Olive Programs

 Congratulations to UC Davis staff research associate Joseph Tauzer, who manages the Harry H. Laidlaw Jr. Honey Bee Research Facility and who serves three labs within the UC Davis Department of Entomology and Nematology.Tauzer is a winner in the UC Davis Staff Assembly's coveted 2025 Citations of…

Note: this is a rerun of an article originally printed in the Contra Costa Times. Q: I have a crape myrtle and every year it is covered in a whitish powder. I have been told it is powdery mildew, but I don't know how to control it.A: Powdery mildew is a plant disease caused by a fungus, Erysiphe…

 As we celebrate Labor Day, let's also celebrate the honey bees: the queens, worker bees (females) and drones (males). They take no vacations, no holidays, and no breaks, and receive no overtime pay or retirement pensions.  The queen takes no maternity leave. In peak season, she will lay 1000…

Almost all plants including drought and heat-tolerant species respond to the intense summer heat here in the Central Valley by significantly slowing their growth and their leaf and flower production. As nights grow longer and cooler in late August plants begin to recover their vigor, setting new buds…

After a hot weekend, it looks like our temps are going to be a bit variable for the next week or so — cooler during the week and warmer on the weekend. We will be able to do light pruning this month (not the major pruning we do after the first of the year). We can also start to feed our roses again. However,…

  In the face of multiple threats facing the University of California, UC Office of the President has launched the Stand Up for UC campaign, which encourages people to pledge their support for UC and publicly share their stories about how UC has positively affected…