Anita Oberholster, a wine chemist and professor of Cooperative Extension in the Department of Viticulture and Enology at University of California, Davis, died Saturday after a long battle with cancer. She was 50.

Known as a dedicated educator, researcher, mentor and colleague, Oberholster joined UC Davis in 2011 with a background in both wine chemistry and sensory science. She was also charged with working with the industry in her role as a Cooperative Extension specialist supporting the thousands of wineries in California. 

The nationwide baby formula shortage two years ago forced many parents to involuntarily switch brands or types. A recent survey from researchers at the University of California, Davis, highlights how these substitutions led to undesirable effects for babies, including vomiting. The study was published in the journal Nutrients.

To manage johnsongrass, a noxious weed that crowds out cotton and sickens horses, farmers have tried herbicides, burning and hand-pulling. Now, researchers at University of California, Davis, have developed a more high-tech weapon against the invasive weed: artificial intelligence and machine learning.

At first glance, Orobanche ramosa looks like an interesting blossoming plant, one that could add a unique flair to flower arrangements. But it’s a parasitic weed that attaches to roots, sucks out nutrients and is threatening California’s lucrative $1.5 billion processing tomato industry.

Avocado oil has become a popular choice for many people in recent years because of its heart-healthy benefits and versatility in cooking. However, not all avocado oil products on store shelves are created equal. Some products are labeled as “pure” avocado oil when they contain other oils or additives. No enforceable standards defining the chemical and physical characteristics of avocado oil exist yet.

As jobless rates rose during the COVID-19 pandemic, millions more Americans experienced food insecurity because they lacked consistent access to food. National health organizations recommend primary care providers screen patients for food insecurity, since not having access to enough food can lead to chronic diseases. 

An estimated 53 million people in the U.S. turned to food banks and community programs for help putting food on the table in 2021. In recent decades, food banks have adopted policies and practices to make sure people not only have access to food but also healthy and nutritious food. 

Fungal pathogens that cause die-back in grape, avocado, citrus, nut and other crops has found a new host and is infecting conifer trees causing Pine Ghost Canker in urban forest areas of Southern California.

The canker can be deadly to trees.

When it comes to American barn owls, forget spring cleaning. 

The best time of year to clean out nest boxes to ready them for breeding pairs is the fall months of September through November, according to research out of the University of California, Davis, that analyzed nearly a century of banding and other records. 

Scientists, growers, students and Cooperative Extension specialists gathered at UC Davis on Wednesday as part of Vegetable Disease Field Day, hosted by the Department of Plant Pathology.

Two sessions – one in Spanish, one in English – focused on tomato and crop rotation research being conducted in plant pathology fields on campus.

More than 70 people attended the English session, which included stops at three locations and was led by Cassandra Swett, an assistant Cooperative Extension specialist in plant pathology.