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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

First-year doctoral student Iris Quayle presenting her research at the Pacific Branch, Entomological Society of America meeting. (Photo by Lisa Chamberland)

Entomology & Nematology News: Article

Iris Quayle: First-Time Presenter Wins Best Doctoral Student Competition at PBESA Meeting

April 7, 2023

By Kathy Keatley Garvey

Iris Quayle acknowledged she was nervous at first. But when she began delivering her first-ever presentation at a scientific conference, I found it quite fun to present my work and see people's excitement.

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Glenn County: Article

Glenn County 4-H New Family Check In and SPARKS Achievement Program

April 7, 2023

...

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Worker bees performing tasks inside a colony. (Photo by Kathy Keatley Garvey)

Entomology & Nematology News: Article

USDA-ARS Honey Bee Scientist to Discuss Bee Health Decline

April 7, 2023

By Kathy Keatley Garvey

Research associate Christopher Mayack of the USDA's Agricultural Research Service (ARS), Davis, will speak on "Chemical Biomarkers and the Physiological Underpinnings of Honey Bee Health Decline" at the next seminar hosted by the UC Davis Department of Entomology and Nematology.

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Glenn County: Article

Golden State Dairy Newsletter - April 2023

April 7, 2023

In this Issue: Byproduct Feeding Practices Important to California's Sustainability Welcome Jackie Atim AMR in lagoons National Mastitis Council in Visalia...

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Apricots ripening on a healthy tree. Jeanette Alosi

The Real Dirt: Article

Eutypa Alert! Wait to Prune Your Apricots

April 7, 2023

If you didn't already prune your apricots at the end of last summer, please hold off a little longer. Our area has a fungus called Eutypa that infects fresh pruning wounds when rainfall occurs 2 to 6 weeks after pruning.

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Under the Solano Sun: Article

California Today

April 7, 2023

Atmospheric Rivers Verdant Rolling Hills Sierra Rooftop Snow...

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Eggs of Culex sp. mosquitoes are laid in floating rafts. Photo by Jack Kelly Clark.

Pests in the Urban Landscape: Article

Easter Egg Hunt Answers!

April 6, 2023

By Lauren Fordyce

Below are answers to the 2023 Easter Egg Hunt! How did you do? Some mosquitoes lay single eggs on water surfaces, while others, like Culex species, lay batches of 100 or more eggs, called rafts, pictured above.

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Colonial Isoxya manangona n. sp. from Andasibe, Madagascar. (a) A part of a colony with 79 spiders in 41 webs (image shows 23 webs). (b) A detail from another colony where females are in their individual webs (image shows 14 of the 16 webs in the colony) while males hang on line in between webs (image shows 12 males). (c) A detail of another colony showing male leks. These males showed no overt intrasexual aggression that would be typical of solitary spiders. (Insect Systematics and Diversity)

Bug Squad: Article

UC Davis Spider Experts Analyze Genetics of Newly Described Spider That Engages in Lekking Behavior

April 6, 2023

By Kathy Keatley Garvey

Have you heard about the newly described kite spider species in Madagascar that is drawing worldwide attention for its lekking behavior?

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Agritourism Connections: Article

Exploring Camping-Based Agritourism: Q & A with Hipcamp

April 6, 2023

By Rachael Callahan

There has been an increased interest in farm-based camping, accelerated during the pandemic, from both farmers and campers. For farmers and ranchers, offering camping can be a low-barrier, low-impact way to diversify income and start or expand an agritourism enterprise.

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Entomology & Nematology News: Article

UC Davis Team Heads Genetic Analysis of Newly Discovered Kite Spider Species Observed Lekking

April 6, 2023

By Kathy Keatley Garvey

Two UC Davis spider experts played a key role in analyzing the genetics of a newly discovered kite spider in Madagascar that is drawing worldwide attention for its lekking behavior, the first known observation of lekking in spiders.

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