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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

Topics in Subtropics: Article

Avocados, Flowers, Bees, Pollination and Fruit. That Simple?

July 31, 2017

By Sonia I Rios

Avocado trees can appear completely covered with flowers.

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Bug Squad: Article

If Happiness Is a Butterfly...Check Out the Solano County Fair Exhibits

July 28, 2017

By Kathy Keatley Garvey

If happiness is seeing a butterfly, then a visit to McCormack Hall during the annual Solano County Fair, Vallejo, Aug. 2-6, will make you absolutely ecstatic.

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Topics in Subtropics: Article

Carbonateceous Soils and Gypsum

July 28, 2017

By Ben A Faber

Carbonateceous? Gypsum? Read on. Soil pH or the acidity or lack of acidity of a soil can be confused by the different uses and chemistries that surround the term pH, or the power of hydrogen.

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IGIS: Article

Wrap up from #DroneCamp2017!

July 27, 2017

By Maggi Kelly

UC ANR's IGIS program hosted 36 drone enthusiasts for a three day DroneCamp in Davis California. DroneCamp was designed for participants with little to no experience in drone technology, but who are interested in using drones for a variety of real world mapping applications.

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Topics in Subtropics: Article

HLB Tree Confirmed in Riverside

July 27, 2017

By Ben A Faber

The California Department of Food and Agriculture (CDFA) and the United States Department of Agriculture (USDA) have confirmed the detection of the citrus disease known as Huanglongbing (HLB), or citrus greening, in Riverside County.

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Bug Squad: Article

Meet the Bugs at the California State Fair

July 27, 2017

By Kathy Keatley Garvey

A sign at the California State Fair's Insect Pavilion, aka "Bug Barn," screams "Bugs, Stay Back!" A middle-aged woman takes the sign literally. "What would you do if you saw THAT bug in our backyard?" she asks her daughter, about six years old. "Yecch!" responds the daughter.

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

Feeding frenzy? Testing the ability of endangered and threatened fish species in the Delta to feed on waterhyacinth biocontrol agents

July 27, 2017

By Guy Kyser

Biological control of water hyacinth in the Delta is being developed as part of an integrated, adaptive management plan for sustainable, long-term control of water hyacinth.

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Bug Squad: Article

Show Me the Honey: From Your Bees!

July 26, 2017

By Kathy Keatley Garvey

Imagine watching your honey bees gathering nectar from star thistle--which some beekeepers claim makes the best honey. (Yes, Centaurea solstitialis is an invasive weed. The love-hate relationship runs deep; farmers and environmentalists hate it; beekeepers love it.

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Bug Squad: Article

Celebrating National Moth Night at the Bohart Museum of Entomology

July 25, 2017

By Kathy Keatley Garvey

The first moth to arrive was the alfalfa looper moth, Trichopusia ni. But the most striking: the grape leaffolder, Desmia funeralis. More than 15 species landed on the blacklighting display at the Bohart Museum of Entomology's Moth Night open house on Saturday, July 22.

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Topics in Subtropics: Article

Follow Citrus Science

July 25, 2017

By Ben A Faber

California citrus farmers have their ears perked for all news related to Asian citrus psyllid (ACP) and huanglongbing (HLB) disease, but the very latest advances have been available only in highly technical research journals, often by subscription only.

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