- Author: Brook Gamble
Over a dozen UC Agriculture and Natural Resources (UC ANR) California Naturalists, fire ecology experts, wildlife biologists, resource managers, educators, and artists met at UC Berkeley's Blodgett Forest Research Station and the adjacent El Dorado National Forest April 23 and 24, and not one of them complained about the much-needed deluge of rain and intermittent hail that soaked the group. The weekend's ambitious goal? To dive deeply into a
National Arbor Day is April 24. With California's continuing drought, many trees are showing signs of water stress. UC Agriculture and Natural Resources tree experts have been hearing from homeowners who are concerned about the effects of the drought on valued oak trees in their landscapes.
“Concern has grown since severely stressed and even dead oak trees are becoming common observances,” said William Tietje, UCANR Cooperative Extension area natural resources specialist based inSan Luis Obispo County. “People are asking, ‘What can I do to help?'”
“Three options come to mind: deep water, mulch or do nothing,” said Tietje. Below, he...
- Author: Jeannette E. Warnert
Olive farmers in southern Italy are dealing with a serious outbreak of olive quick decline syndrome, a new disease with symptoms that include leaf scorching, twig and branch dieback and, ultimately, tree death. In October 2013, the plant pathogen Xyllela fastidiosa was found for the first time ever in Europe and appears to be associated with the disease.
This has California researchers worried and baffled. The bacterium Xyllela fastidiosa has been present in the state for more than 100 years and can sometimes be found in olive trees. Trials conducted by USDA and UC researchers from 2008 to 2011 showed that strains of the bacterium found in California did not cause disease in olives.
- Author: Aubrey White
Isao Fujimoto, lecturer emeritus of Community Development and Asian American Studies at UC Davis, has been named the 2014 recipient of the Eric Bradford and Charlie Rominger Agricultural Sustainability Leadership Award for his commitment to California agriculture, rural communities, and social change.
The prestigious award, given each year by the Agricultural Sustainability Institute (ASI) at UC Davis, will be presented at a ceremony at UC Davis on April 23. UC Agriculture and Natural Resources, with its Sustainable Agriculture Research and Education Program, is a partner with ASI.
The keynote speaker at the awards presentation will be Navina...
- Author: Cheryl Reynolds
Spider mites, fruit moth and twig borer larvae, aphids, and bark cankers are just a few pests that can wreak havoc on stone fruit trees. With spring well underway and trees in full bloom and beginning to develop fruit, it's time to monitor and take action before these pests get out of hand.
The UC Agriculture and Natural Resources Statewide Integrated Pest Management (IPM) program teamed up with UC ANR farm advisors to develop a series of how-to videos that can help growers and pest control advisers monitor for pests and damage and determine if and when treatment is needed.
In one video, Sacramento Area IPM...