Archive Nut, Prune and Olive Programs

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

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May 2025Archived

Field picture submitted by Elizabeth Fichtner

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

UC Weed Science (weed control, management, ecology, and minutia): Article

New Noxious Weeds?

February 25, 2019

By Thomas J Getts

Back in 2017, I wrote a brief blog about myrtle spurge being present in Lassen County. Myrtle spurge was evaluated by CDFA and determined to warrant being placed on the A list of noxious weeds here in California.

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HOrT COCO-UC Master Gardener Program of Contra Costa: Article

Why Triple Center Rose Buds?

February 25, 2019

Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Client's Request: Is this triple center rose bud a common occurrence? I've not seen it among my roses before.

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The Backyard Gardener: Article

Ornamental Grasses in the Landscape

February 24, 2019

I am a huge fan of ornamental grasses, and I've written before about their uses and a few of my perennial favorites, so I'll try not to cover the same ground in this post.

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Evidence shows sunflower pollen may be help reduce pathogens in bees.

Spill the Beans: Article

Sunflowers for Bees

February 24, 2019

An article in the February-March 2019 issue of National Wildlife caught my attention.

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Napa Master Gardener Column: Article

Gophers.

February 24, 2019

By Susanne von Rosenberg, UC Master Gardener of Napa County If you live in one of Napa County's towns, you may be one of the lucky gardeners who does not have to deal with gophers.

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A male longhorned bee,Melissodes, on a Mexican sunflower (Tithonia). (Photo by Kathy Keatley Garvey)

Ready for the International Pollinator Conference at UC Davis?

February 22, 2019

By Kathy Keatley Garvey

There's still plenty of time to register for the seventh annual International Pollinator Conference, set Wednesday, July 17 through Saturday, July 20 in the ARC Ballroom.

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Alfalfa & Forage News: Article

Have You seen this Injury Symptom in alfalfa? We need your help in understanding this crop injury

February 22, 2019

By Robert G Wilson

Have you seen this crop injury in your Roundup-Ready Field or conventionl field? If so, we want to hear from you. We are asking alfalfa growers everywhere to look for the following symptoms (below) of injury in Roundup-Ready (or RR-HarvXtra) alfalfa or even in conventional fields.

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Community-based demographic, environmental, economic, social and health data are available by county.

ANR Employee News: Article

Datasets help define stakeholder needs and significance of research, education and extension

February 22, 2019

By Pamela S Kan-Rice

Community-based demographic, environmental, economic, social and health data can help us better understand the 40 million people we serve.

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Under the Solano Sun: Article

Hardenbergia

February 22, 2019

During these winter days, I appreciate the early- to mid-winter blooming plants that brighten even the rainiest of days. One of my favorite winter bloomers is a purple vine that I'm sure you've seen blooming in your neighborhood: the 'Happy Wanderer' vine, Hardenbergia violacea.

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Cooperative Extension San Joaquin County: Article

February 2019 Field Notes Newsletter

February 22, 2019

In this issue: Nitrogen Fertilization is Important on First-year, Second Generation Almond Trees Following Whole Orchard Recycling Landscape Trees: To Fertilize or Not to Fertilize Mineral Status of Cattle in California Evaluation of Grafting for Processing Tomatoes Evaluation of Nitrogen Stabilizer...

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