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May 2025Archived

 

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UC Oaks: Article

Black Oaks Lose Leaves in El Nino Winter

September 8, 2025
By Michael Jones
by Doug McCreary and Jill GoetzOaks ‘n Folks – Volume 13, Issue 2 – August, 1998BERKELEY – This summer, people living in the Sierra Nevada and Coast Ranges have reported seeing the leaves on California black oaks covered with brown spots, curling at the edges and even turning completely brown and falling off…
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Nutrition Policy Institute News: Article

Study finds universal free school meal policies boost participation and reduce barriers across US schools

September 8, 2025
By Brianna Aguayo Villalon, Danielle Lee, Wendi Gosliner
A new study examining the impact of federal and state Universal Free School Meal policies highlights how expanding access to school meals can help address food insecurity, reduce barriers to meal participation such as stigma and paperwork, and improve children’s diet quality, health, and academic outcomes…
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UC Oaks: Article

Pests of Acorns

September 8, 2025
By Michael Jones
by Ted SwieckiOaks ‘n Folks – Volume 13, Issue 1 – February, 1998The fall of 1997 was a lean season for acorns in many parts of California.To make matters worse, some oak planters have noticed high levels of disease or insect damage in the few acorns they could find. The two most common insects that attack…
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UC Oaks: Article

Living Among the Oaks Creates a Sticky Situation

September 8, 2025
By Michael Jones
by Doug McCrearyOaks ‘n Folks – Volume 11, Issue 2 – September, 1996This summer, many people up and down the Coast, especially in the San Francisco Bay Area, have noticed a sticky residue under their oak trees, as if the oaks were leaking light colored syrup. This “drip” is particularly bothersome when it…
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Mariposa County: Page

Newsletters

Regenerative Agriculture NewslettersNewsletters and research updates from the UCCE Regenerative Agriculture program serving Mariposa, Merced, and Stanislaus counties.NewslettersRegenerative Agriculture Fall 2025 (PDF in Google Drive)Research updatesCover Crop Variety Trial Update Mariposa 2024-2025 (PDF in…
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UC Oaks: Article

Oaks ‘n Voles

September 8, 2025
By Michael Jones
by Jerry TecklinOaks ‘n Folks – Volume 10, Issue 1 – April 1995Vole predation on oaks can be a major problem. A few years ago researchers wrote in these pages (Oaks ‘n’ Folks, Oct. 1988) an article titled “Valley Oak Regeneration: Rodents May Cause Problems”. The specific problem discussed was the complete…
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UC Oaks: Article

Pocket Gopher Damage to Oak on the Santa Rosa Plateau

September 8, 2025
By Michael Jones
by Earl W Lathrop and Kevin P.C. YeungOaks ‘n Folks – Volume 6, Issue 3 – December 1991IntroductionThe average stand age of Engelmann Oak (Quercus engelmannii Greene) on the Santa Rosa Plateau, Riverside County, California, is 80-130 years, with trees older than this being less frequent in number, and…
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UC Oaks: Article

Filbert Pests in Live Oaks

September 8, 2025
By Michael Jones
by R. LewisOaks ‘n Folks – Volume 6, Issue 2 – July 1991IntroductionTwo of the most common acorn-boring insects found in the San Francisco Bay area are larvae of the filbert weevil, Curculio occidentis, and the filbertworm, Melissopus latiferreanus. Damage to acorn crops by these filbert…
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UC Oaks: Article

Gophers Love Oak-To Death

September 8, 2025
By Michael Jones
by Bill Weitkamp and T.E. AdamsOaks ‘n Folks – Volume 6, Issue 1 – April 1991IntroductionPlantings of blue and valley oaks, both acorns and nursery stock, face several problems that threaten survival. Weed control may be one of the most important of these. But predation by small mammals and insects also…
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UC Oaks: Article

Grasshoppers Continue to Hamper Oak Restoration Efforts

September 8, 2025
By Michael Jones
by Doug McCreary and Jerry TecklinOaks ‘n Folks – Volume 9, Issue 2 – September 1994IntroductionDuring the past seven years, over a dozen oak field trials have been established at the Sierra Foothill Research and Extension Center (SFREC). While we have discovered numerous obstacles to successful seedling…
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