Pest Management & Plant Health

This Saturday, April 13th, is the annual Picnic Day celebration at UC Davis. Join the UC Statewide IPM Program from 9am to 3pm at the entomology building Briggs Hall on the UC Davis campus.

Aphids are a common garden pest in spring and are attracted to new, succulent plant growth. This year, heavy aphid infestations can already be found on roses and fruit trees. Aphids often first show up along the edges of the garden.

You don't have to travel the world to see insects. You can see them at the Bohart Museum of Entomology during the campuswide UC Davis Picnic Day, set Saturday, April 13. The theme is "Will Travel for Bugs: The Bohart Museum of Entomology's Collections From Around the World.

Abutilon theophrasti (commonly known as velvetleaf) is a summer-emerging, annual, broad-leaf weed native to Asia.

Growers (mainly pistachios) and crop consultants in the southern and western parts of the San Joaquin Valley have recently reported the spread of alkaliweed from low-lying saline or alkaline soils (including seasonal wetlands and floodplains) into irrigation ditches, orchards, and some agricultural...

The summer annual weeds are starting to emerge and I am using this blog over the next few weeks to introduce readers to the seedlings of important species.

Congrats to the University of California Linnaean Games Team! They know their insects! The UC team, which swept the national championship last year, just won the regional competition Monday night at the Pacific Branch, Entomological Society of America (PBESA) meeting in San Diego.

There is still time to register for the April 11th SJV Weed Science Extension Day at the Westside Research and Extension Center in Five Points (17353 West Oakland Avenue, Five Points, CA 93624). The meeting at the Westside Center will focus on agronomic crops, ROWs, and tree and vine systems.

There is still time to register for the April 11th SJV Weed Science Extension Day at the Westside Research and Extension Center in Five Points (17353 West Oakland Avenue, Five Points, CA 93624). The meeting at the Westside Center will focus on agronomic crops, ROWs, and tree and vine systems.

Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Thank you for bringing your Ponderosa lemon to the UC Master Gardener Program Help Desk this morning. Your lemon has a fungal infection by the Septoria organism.