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

Newsletter Articles:

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

The Parent Washington navel orange tree. Its decline and recovery

June 5, 2013

By Ben A Faber

The early history of the parent navel orange was presented in the last issue of Topics in Subtropics as The Parent Washington navel orange tree - Its first years.

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This photo, appearing in the field guide, is of Extension apiculturist Eric Mussen being stung by a honey bee. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

Great Field Guide to Bees

June 4, 2013

By Kathy Keatley Garvey

If you've studied bees, you know that there are approximately 20,000 described species of bees in the world. Most people are familiar with honey bees and bumble bees, but they don't know about "those big black bees" (carpenter bees) or "those green metallic bees" (sweat bees).

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

Weed Day and Weed Science School 2013

June 4, 2013

By Gale Perez

EVENT ANNOUNCEMENT * * * * * * Weed Day 2013 July 11, 2013 :: UC Davis Visit http://wric.ucdavis.edu and click on Weed Day Be a Weed Day sponsor (click here.) * * * * * * Weed Science School 2013 Sept. 17-19, 2013 :: UC Davis Visit http://wric.ucdavis.

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Flame skimmer ((Libellula saturata), outlined against the sky. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

It's a Bird, It's a Plane...

June 3, 2013

By Kathy Keatley Garvey

It's a bird, it's a plane... It's not Superman. It's a flame skimmer dragonfly (Libellula saturata). We spotted this dragonfly in our yard recently and crouched down for a low angle, framing it against the sky. This is one insect that everyone notices and admires. Except maybe its prey...

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Topics in Subtropics: Article

The Parent Washington navel orange tree- It’s first years

June 3, 2013

By Ben A Faber

In January, 1995 during my second consultancy visit to Thailand, I was asked to lecture to the staff of KasetsartUniversity located in Bangkok. The lecture was on the problems of the greening disease in their country where trees die between 4 and 8 years and rarely reach 12 years of age.

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European wool carder bee nectaring on Lamb's Ear. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

They're Not Sheepish on the Lamb's Ear

May 31, 2013

By Kathy Keatley Garvey

The next time you're around a lamb's ear--no, not the animal, the plant (Stachys byzantina)--watch for buzzing bees. Especially the European wool carder bees (Anthidium manicatum). The females card the fuzz from the soft, silvery-gray leaves for their nests.

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E-Journal of Entomology and Biologicals: Article

Possible pallidosis-related decline of strawberries in Santa Maria

May 31, 2013

Whiteflies are usually considered a minor pest on strawberries, but greenhouse whitefly, Trialeurodes vaporariorum has become an important pest with regular and high infestations in the recent years.

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Colusa County: Article