UCCE Master Gardeners of San Joaquin County

 UC Davis doctoral candidate Alexia “Lexie” Martin of the laboratory of Rachel Vannette, associate professor and vice chair of the UC Davis Department of Entomology and Nematology, will be displaying bee life stages at the Bohart Museum of Entomology open house on Sunday, May 18.The event, free and…

Visiting Yosemite National Park is an awe-inspiring experience, even for the most seasoned of travelers. The valleys, waterfalls, giant sequoias, and iconic Glacier Point are all bucket list destinations ideal for a family camping vacation. To continue enjoying beautiful parks like Yosemite, it is important…

UC expert James “Jay” E. Sayre will host a webinar unpacking what some of the latest developments in trade policy may mean for California growers, processors and consumers.

 Visitors attending the Bohart Museum of Entomology open house themed  "Insects: Life Stages" on Sunday, May 18, will see everything from metamorphosis to maggot art. The event, free and family friendly, takes place from 1 to 4 p.m. in Room 1124 of the Academic Surge Building, 455 Crocker Lane…

Tiny but destructive, the emerald ash borer (EAB) is an invasive beetle that has killed millions of ash trees across North America. In some cases, infested regions have lost nearly 100% of their ash trees to this pest. Though EAB has not yet been found in California, it was detected on the West Coast for the…

 Ever heard a singing cicada? Want to know more about them?UC Davis postdoctoral scholar Mark Stukel will present a seminar on his research involving "the singing cicadas" at the next UC Davis Department of Entomology and Nematology seminar.Stukel will speak on "From New Zealand Hybridization to…

Registration Now Open!The 2025 International Microirrigation School For Crop Production will be offered for the first time in California on October 13-17, 2025. It will involve three days of instruction at the University of California at Davis, and two days of field trips in the San Joaquin Valley and…

 If you're a beekeeper, mark your calendar! You may want to attend one or both of these two classes offered by the UC Davis-based California Master Beekeeper Program (CAMBP)  on queen-rearing techniques and instrumental insemination. Both will be held in the E. L. Niño Lab…

 When the Bohart Museum of Entomology hosts its open house on Sunday, May 18, expect to see some "insect wedding photography."In other words, when insects "get busy."The theme: "Insects: Life Stages."The event, free and family friendly, takes place from 1 to 4 p.m. in Room 1124 of the Academic Surge…

Squash bugs are a common pest in vegetable gardens, where they can be found on squash, pumpkin, and melon. They can cause leaves to become speckled and turn yellow. Heavy feeding can cause plants to wilt or die, and fruit to rot.These pests remain in the garden during the winter, hiding under dead leaves,…

 If you were a honey bee queen, you'd be laying eggs all day on Mother's Day (not to mention the other days!).You'd be the mother of all the bees in the hive.During the peak season, the queen can lay up to 1500 to 2000 eggs a day. That can amount to about 50,000 to 80,000 workers (sterile females) and…

 Groundbreaking research that began with how caterpillars stay young drew acclamation and applause when the UC Davis School of Medicine (SOM) hosted its 2025 Convergence Research Celebration, held in the UC Davis Conference Center.The joint TEDx presentation, “Staying Young, Feeling Younger, and Slowing…

Tree-of-heaven, Ailanthus altissima, was originally from China and became a popular landscape shade tree in the 1800’s. However, its rapid growth, aggressive spread, and native habitat disruption have made it a global problem. Reproducing rapidly through dense root suckers and wind dispersal of its “winged”…

 Where are all the bumble bees?This spring they seem quite scarce in Solano and Yolo County gardens, but a trip to Bodega Bay, Sonoma County, reveals different results.They're all over the Pride of Madeira (Echium candicans), a species in the family Boraginaceae, and genus Echium, native to the island…

 If you grow tomatoes, you may have encountered root-knot nematodes."Knot" what you want.USDA-ARS research plant pathologist William Rutter will speak on "Investigating the Mechanisms that Underlie Host Plant Resistance Against Root-Knot Nematodes" at a seminar hosted by the UC Davis Department of…

Note: I'm sharing a survey request related to grower and industry needs related to novel weed control technologies in orchards, vineyards, and other perennial specialty crops.  Our team of research collaborators is developing this information as a first step towards a future coordinated national…