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Archive Nut, Prune and Olive Programs

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Newsletters

In-a-Nutshell - Nut Culture
Dried Plum News - Prune Culture
Olive Notes - Olive Culture

Newsletter Articles:

May 2025Archived

Field picture submitted by Elizabeth Fichtner

Links

Publications

Pest Notes
- Olive Knot
- Black Scale
UC Pest Management Guidelines (UC Statewide IPM Project Web Site)
UC Cooperative Extension Cost and Return Studies
- Almonds
  Double Line Drip Irrigation. Southern San Joaquin Valley. 2016 PDF
- Almonds
  Flood Irrigated. San Joaquin Valley North. 2011. PDF
- Almonds
  Micro-sprinkler. San Joaquin Valley North. 2016. PDF
- Olive Oil
  Super High Density. San Joaquin Valley 2007. PDF
- Olives - San Joaquin Valley. 2005 PDF
- Pecans - Sacramento/San Joaquin Valley - 2005. PDF
- Pistachios
  Low Volume Irrigation - San Joaquin Valley South. 2015. PDF
- Walnuts
  Late Leafing - Lateral Bearing. San Joaquin Valley North. 2017. PDF
- Walnuts
  Micro-Sprinkler Irrigation - San Joaquin Valley North. 2007 PDF

Photo illustration of a spray drone hovering over a orchard

Public invited for up-close look at future of citrus ag tech

November 12, 2025

By Hanif R Houston, Michael Hsu

Six ag tech companies will demonstrate their technologies at a VINE Connect Field Day on Dec. 5 at UC ANR's Lindcove Research and Extension Center. This cohort focuses on citrus.

UC Master Gardener Program of Contra Costa County: Article

Welcome to the Class of 2026 Trainees!

November 11, 2025

By Terri Takusagawa

By Terri Takusagawa: ELT Member at Large and Continuing Education Project Lead Photo by Greg Doyle On behalf of the Executive Leadership Team (ELT), we offer a warm welcome to the latest crop of trainees – the Class of 2026!I was privileged to meet them at the first lab session of the training course, a…

UC Master Gardener Program of Contra Costa County: Article

El Cerrito Garden Celebrates First Open House

November 11, 2025

By Liz Rottger

Photo by Fletcher Oakes The First Annual Open House at the Water Conservation Garden in El Cerrito, held on June 14, was a big success. Certainly worthy of a repeat next year!We had over 30 guests visit the garden, which included a small child and a little dog. We had 16 email sign-ups. For many of…

UC Master Gardener Program of Contra Costa County: Article

Surviving the Pandemic and Life: An Interview with Titania Buchholdt

November 11, 2025

By David George

Photos provided by Titania BuchholdtMy fellow Class of 2020 graduate, Titania Buchholdt, has had to overcome some significant challenges in her life. From being badly injured when hit by an impaired truck driver when she was a youngster to surviving the COVID–19 pandemic shutdown as a freshly minted UC…

UC Master Gardener Program of Contra Costa County: Article

What’s Growing on My Tree? Understanding Conks

November 11, 2025

By Help Desk Team

A Client recently wrote to the Help Desk seeking feedback on the lichen growing on their Japanese maple tree.“Thank you for contacting the UC Master Gardener Program Help Desk regarding your Japanese Maple. Thank you also for the great pictures, as they are always helpful in understanding a situation,”…

UC Master Gardener Program of Contra Costa County: Article

The Use of Soap and Detergent in the Garden

November 11, 2025

By Bonnie Dwyer

Many environmentally minded gardeners are looking for simpler pest-control solutions. These gardeners are turning to soaps and detergents for insect and disease control; it’s cheap, it’s handy, and it seems to do the job. Gardeners have been adding a few drops of “soap” to liquid pest spray for years; this…

UC Master Gardener Program of Contra Costa County: Article

Congratulations to Gardeners with Heart Awardees!

November 11, 2025

By David George

The UC Master Gardener Program is thrilled to honor four UC Master Gardener volunteers as “Gardeners with Heart.” They join others across the state who are celebrated this year for their extraordinary dedication. In 2025, the Contra Costa County UC Master Gardener program selected representatives in two…

UC Master Gardener Program of Contra Costa County: Article

A First Year’s First Year

November 11, 2025

By Lisa Phillips

Photos by Dan Chavez I am Lisa Phillips, a Year 1 UC Master Gardener, Class of 2025. The best advice at graduation was to sample everything and then decide where you fit. Here's what I did!Our Garden - My time at OG gave me a whole arc of hands-on experience. In the spring, I staked new tomato…

UC Master Gardener Program of Contra Costa County: Article

New UC Master Gardeners Jump In

November 11, 2025

By Mike and Karen Lance

We are Mike and Karen Lance, and this is about our experiences as First Year UC Master Gardeners, Class of 2025. We went through the training together and were impressed with the depth and breadth of the materials and the great instructional staff. Among many other things, we learned that we’ve been…

UC Master Gardener Program of Contra Costa County: Article

A First Year’s Musings

November 11, 2025

By Liz Engh

I continue to be astounded by what I don’t know and am grateful to be an old dog able to learn a few new tricks, oh, I mean gardening gems.The UC Master Gardener training was like having the entire Bancroft Library thrown at me and was a bit overwhelming. I didn’t really get to savor the personalities…