- Author: Jeannette E. Warnert
Trees are facing stress from a variety of pressures in California, including climate change and exotic invasive pests, reported Jeanette Marantos in the Los Angeles Times.
“There are lots of invasive pests everywhere because of global warming and the movement of plant materials in general,” said Philippe Rolshausen, UC Cooperative Extension subtropical tree specialist at UC Riverside.
Yellowing leaves, a thinning canopy and branch die-back are symptoms that the tree is sick. UC Master...
- Author: Jeannette E. Warnert
The USDA issued a news release on Friday announcing $55 million in block grants to enhance the competitiveness of specialty crops around the country, with California receiving more than $17 million. Of the 64 California projects, 19 are led by researchers affiliated with UC Agriculture and Natural Resources.
A large share of funding - $1.4 million - goes to nine food-safety projects to be coordinated by UC’s
- Author: Jeannette E. Warnert
If the pest appears in the San Joaquin Valley's southernmost county, farmers will face a distinct challenge. Most of the citrus fruit harvested in Kern County is shipped to other counties for packing. If the county were to be quarantined, farmers would have to make sure the fruit has been processed and cleaned well enough to eliminate all plant parts - including leaves, stems and debris - and all life...
- Author: Jeannette E. Warnert
The package destined for Fresno was mailed from India; the package in Sacramento came from Houston, Texas.
"We know that this has been going on but it is just now that we are getting a feeling for how bad it is as...
- Author: Jeannette E. Warnert
The Los Angeles Times reported this afternoon that Asian citrus psyllid has been found in a Los Angeles County backyard citrus tree. Just yesterday, officials confirmed the pest was found in Orange County. These were the first finds outside of San Diego and Imperial counties, where the exotic pest was first captured in California in early 2008.
UC citrus entomologist Beth Grafton-Cardwell is asking Californians to pitch in on the battle against Asian citrus psyllid, which in other parts of the world carries the devastating citrus disease Huanglongbing (HLB, or citrus greening disease.)
Anyone with a citrus tree in their yard or...