Archive Nut, Prune and Olive Programs

Yana Valachovic, UC Cooperative Extension forest advisor, shared her research-based ideas of how to protect homes from wildfire during a panel discussion at a screening of the documentary “Weathered: After the LA Firestorms” in Sacramento.

Small flying insects on and around your citrus, tomato, crepe myrtle, roses, squash, etc., are most likely whiteflies.In addition to clouds of the mature flies, you may also see:Deposits of white wax (with certain species).Tiny nymphs, the immature stage, which are oval, legless and immobile, and can range…

Late March or early April is the end of the spring planting season; roots need to become established before the summer heat.TasksWatch for powdery mildew on susceptible plants. Rotate the fungicide used since the fungus may develop resistance.If citrus has scale, mites or thrips, spray with summer-weight…

 Friday, March 20 marked the first day of spring, and Wednesday, April 1 marks the first of the UC Davis Department of Entomology and Nematology's nine spring seminars. The seminars will take place on Wednesdays at 12:10 p.m. in 122 Briggs Hall, UC Davis campus, through May 27. They also will be on…