Archive Nut, Prune and Olive Programs

Area IPM Advisor IPM Natural Resources Extension Coordinator Endemic and Invasive Pests and Diseases Strategic Initiative Leader UC Statewide IPM Program & UCCE Aerial drones are cool. But they can't do everything (just yet).

Suicide is a serious mental health issue among college students, especially Latinos who may struggle with belonging to their ethnic group.

Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Client's Request: Hello, I live in central county and frequently find scat in different areas of my backyard and cannot identify the source.

Looking back at 2017, the devastating wildfires of California seem to have made an impression on the news of the nation.

Virus indexing is a method used to determine the presence and identity of sweetpotato viruses. The Brazilian morning glory (Ipomoea setosa), a close relative to sweetpotato, is sensitive to sweetpotato viruses. I.

Monitor for symptoms frequently (once per week). Bag and remove diseased plants quickly (there is no known cure for Rose Rosette disease).Bagging is necessary to prevent further spread of the disease via the air borne mite vector. Remove the root ball.

Plant with propagation material that is virus indexed. Destroy and replace diseased plants with virus-indexed plants as soon as possible to limit spread. Start work in virus-indexed yards before working in infected yards, to preclude transferring pests and other vectors between locations.

Wine quality is affected by a very common disease, leafroll disease, which reduces sugar content and color of grapes and increases acidity. Leafroll disease is caused by one or more viruses in the grapevine leafroll virus species.

Virus distribution changes with the seasons. In the winter, collect 8-10 inch one-year-old dormant bud sticks. In the summer collect flowers and leaf bud sticks from all major scaffolds and limbs.

The citrus industry worldwide is being challenged by the spread of Huanglongbing (HLB), a graft-transmissible disease associated with species of the bacterium Candidatus Liberibacter, which is vectored by the Asian citrus psyllid (ACP), Diaphorina citri.