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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

IGIS: Article

New 2012-2013 SOD Confirmations Added to OakMapper!

October 8, 2013

By Maggi Kelly

New 2013 SOD Blitz and 2012-13 UC Davis DataNew confirmed cases of Sudden Oak Death (SOD) (P. ramorum) have been added to OakMapper, a project that tracks the spread of Sudden Oak Death from data collected by citizens and organizations.

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Topics in Subtropics: Article

Oriental Fruit Fly Affects Green Waste Movement in Southern California

October 8, 2013

By Ben A Faber

This just in from Cal Recycle pertaining to the movement of green waste in Southern California. Now with Asian Citrus Psyllid so widespread in that area and the spread of Polyphagous Shot Hole Borer, it is a good idea to consider carefully the source of green waste used for mulching.

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A bee and an ant; they're more closely related than they are to most wasps. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

Surprise! Bees and Ants More Closely Related Than Most Wasps

October 7, 2013

By Kathy Keatley Garvey

Who would have thought? Who would have thought that ants are more closely related to bees than they are to most wasps? In ground-breaking research to be published Oct.

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IGIS: Article

New VTM photo reshot from Joyce - check it!

October 7, 2013

By Maggi Kelly

The latest from Joyce. This photo is "looking southwest from point on highway between Drytown and Amador. Cattle ranch headquarters surrounded by grassland without a brush problem. Amador Co.

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IGIS: Article

Google earth video of Humboldt County pot farms

October 7, 2013

By Maggi Kelly

Really interesting video of 600 pot farms in Humboldt Co. as readily shown via Google Earth. I am re-posting this in light of Alice's excellent talk today.

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

The Role of Weeds in the Mustard Family in the Spread of Bagrada Bug in Monterey County

October 7, 2013

By Richard F Smith

Bagrada bug, Bagrada hillaris is a new invasive insect that arrived in the Salinas Valley in the summer of 2013.

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Topics in Subtropics: Article

Talking to Dennis Seaton - Inventorying Yellow Leaves

October 7, 2013

By Ben A Faber

I had a chance to talk to PCA Dennis Seaton a few weeks back. During the farm call, he mentioned that he was making a survey of leaf yellowing in his clients citrus orchards.

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This is the world's largest hornet, Vespa mandarinia. (Photo by Terry Prouty, courtesy of Wikpedia. http://en.wikipedia.org/wiki/User:Hornetboy1970)

Bug Squad: Article

On the Trail of the Giant Hornet

October 4, 2013

By Kathy Keatley Garvey

A hornets nest is nothing like a bee in the bonnet. You dont want to mess with hornets, especially the world's largest hornet, found in many parts of Asia.

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Sunflower bee, Melissodes agilis, on sunflower. (Photo by Kathy Keatley Garvey)

Bug Squad: Article

Color Them Beautiful

October 3, 2013

By Kathy Keatley Garvey

A brilliant sunflower clinging to the red ring of autumn. And here comes a common sunflower bee, Melissodes agilis (this is a female, as identified by native pollinator specialist Robbin Thorp, emeritus professor of entomology at the University of California, Davis.

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Topics in Subtropics: Article

Asian Citrus Psyllid Popping up in the San Joaquin Valley

October 3, 2013

By Ben A Faber

It shouldnt be news to local citrus growers and industry people that the Asian citrus psyllid (ACP) is being found with increasing frequency in the southern San Joaquin Valley. If this is news to you please follow the website at http://www.cdfa.ca.gov/plant/acp/ and/or sign up for U.C.

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