Backyard Orchard News
New plantings in the research blocks
Lindcove personnel are planting more than a thousand trees this summer in the research...
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The Great Bee Count
Are you ready for the Great Bee Count? It's happening Saturday, Aug. 11. You're encouraged...
Honey bee nectaring in the Haagen-Dazs Honey Bee Haven at UC Davis. (Photo by Kathy Keatley Garvey)
Emmet Brady is an innovator in the field of cultural entomology. (Photo by Kathy Keatley Garvey)
Asian Citrus Psyllid Update
The spread of the Asian citrus psyllid in southern California continues eastward. The number of find sites is so large in the residential areas of Los Angeles, Riverside and San Bernardino counties, that the CDFA residental site treatment program has shifted to treating only around commercial citrus orchards to help protect them. In areas where the psyllid population densities are much lower, such as Imperial, San Diego and Ventura counties, all find sites are being treated and the commercial citrus treatment program is still in phase I (for a description of phases see http://ucanr.org/sites/KACCitrusEntomology/Home/Asian_Citrus_Psyllid/Management_420/). Growers in these areas treat with two broad spectrum insecticides and do not detect psyllids for many months if not years. In areas such as San Bernardino, where psyllids have become well-established in the residental areas, the commercial citrus treatment program is now in phase III. Growers in these areas must treat more frequently to keep psyllids below detectible levels. The purpose of treatments is to suppress the psyllids so low that they can not find or spread huanglongbing disease and to prevent the psyllid from spreading to new areas. Huanglongbing was found in one tree in Hacienda Heights and that tree was removed. But it is likely there are additional infected trees in southern California.
Map of Asian citrus psyllid detections and the location of the huanglongbing infected tree that was removed
Associate Director Lisa Fischer Tours Lindcove
Lisa Fischer was recently hired as the Associate Director of the Research and Extension...
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Cross Pollination of Ideas
Bee creative! That's what scientists at the University of California, Davis; area artists; and the...
Honey bee foraging on a button willow, also known as a button bush (Cephalanthus occidentalis). (Photo by Kathy Keatley Garvey)