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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

Figure 1. The covering of a group of walnut scales forms a daisy shape. Removing the cover reveals the yellow adult females

Nut, Olive and Prune Programmatic News: Article

Treatment Options for Management of Walnut Scale and Frosted Scale

November 22, 2023

By Elizabeth J Fichtner

Walnut scale (Figure 1) is an important economic pest of walnuts in California. High populations of walnut scale may affect tree vigor as well as predispose trees to diseases caused by several plant pathogenic fungi and possibly flatheaded borer damage.

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Article

Gardener's Gold: Understanding and Enhancing Your Garden Soil

November 22, 2023

Learn more and listen to "In The Garden" radio show podcasts. Would you like to get updates from the Orange County Master Gardeners? Hear about what we are doing in the community Receive the "Garden Beet". A quarterly gardening newsletter.

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Colusa County: Article

#GiveBack to Grow Forward with UC Master Gardeners on Giving Tuesday!

November 22, 2023

Thank you for being a friend of the UC Master Gardener Program of Colusa County.

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Glenn County: Article

2023 Glenn County 4-H Coats-for-Kids Press Release

November 22, 2023

November 20, 2023 Glenn County 4-H is Collecting Coats for Kids! As the season changes and the cold days are upon us, some members of our community are in need of some warmth this winter.

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Santa Cruz County: Article

Rabbit Show & 4-H Rabbit Project

November 22, 2023

Hello all! If you are interested in being in the Rabbit Project, learning more about rabbits, learning what a rabbit show is all about or just looking at several hundred cute rabbits...

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Kearney news updates: Article

Field Crops, Alfalfa and Forage Field Day Hosted at Kearney

November 22, 2023

By Ryan D Puckett

This field day was held on September 29, 2023, at the Kearney Ag Research and Extension Center in Parlier, CA. We had good attendance and vibrant participation from everybody present. Many of the attendees provided feedback upon our request by completing a survey.

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Close up of pointed leaves showing fall color.

The Stanislaus Sprout: Article

Plant a Tree Now for Fall Color Next Year!

November 22, 2023

By Anne E Schellman, Roger A Duncan

The colors of autumn are especially beautiful this year. Tree leaves are turning brilliant shades of yellow, orange, and even purple. Read about the trees you've noticed around town that are currently popping with color.

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Three researchers examine plots of wheatgrass

No-till annual wheat better for soil health in California’s climate

November 22, 2023

By Michael Hsu

California wheat farmers could both maintain their yields and improve soil health by growing annual wheat without tilling the soil year after year.

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Hand reaches up to pick an orange from a tree

Pests in the Urban Landscape: Article

First-ever Queensland fruit fly quarantine restricts moving homegrown produce

November 22, 2023

By Michael Hsu

Residents in multiple Southern California and Northern California counties should not move homegrown fruits and vegetables from their properties to help contain several species of fruit fly that can destroy crops and impact the livelihoods of local farmers.

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UC Rice Blog: Article

2023 Delta Rice Recap

November 22, 2023

By Taiyu Guan, Consuelo B Baez Vega

Rice production in the Sacramento-San Joaquin Delta region has been steadily increasing in recent years (Table 1). While Delta acreage is only a fraction of that in the Sacramento Valley, Delta yields are consistent with statewide averages.

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