- Author: Jeannette E. Warnert
Newly appointed UC Cooperative Extension agricultural engineering advisor Alireza Pourreza has been awarded the 2016 Giuseppe Pellizzi Prize by the Club of Bologna, an honor presented every other year to the best doctoral dissertations focused on agricultural machinery and mechanization. The Club of Bologna is a world taskforce on strategies for the development of agricultural mechanization.
Pourreza, who earned his Ph.D. at the University of Florida in 2014, worked on early detection of huanglongbing disease of citrus. Huanglongbing, an incurable disease that is spread by Asian citrus psyllid, has seriously impacted citrus...
UC IPM is offering a one-day, hands-on, train-the-trainer workshop designed especially for retail nursery and garden center employees, managers, owners, and affiliates.
This workshop will help you and your employees gain new skills to better serve customers and keep them coming back!
When: Tuesday, November 8, 2016
Where: Oakland Center, CSU East Bay
Time: 8:30 AM to 3:30 PM
Cost: $30 per person
- Invasive Pests in California
- Asian...
[From the August 2016 issue of the UC IPM Green Bulletin]
A new psyllid pest that causes a distinctive, tight, typically complete rolling of leaves (Figure 1), has been found on Ficus microcarpa (Chinese banyan, Indian laurel fig) in Los Angeles, Orange, San Bernardino, Ventura, San Diego, and Riverside counties. This species of Ficus is one of our most common, useful, and widespread ornamental landscape trees. Incidentally, it has also long been a target for numerous exotic pests.
The psyllid, identified as Trioza...
/span>- Author: Igor Lacan
[From the August 2016 issue of the UC IPM Green Bulletin]
Two “sap flux” diseases observed in landscape trees—bacterial wetwood (or slime flux) and alcoholic (“foamy”) flux—often trigger demands that a landscaper “do something.” Yet the most appropriate action may be to provide cultural care and to monitor for any additional problems rather than to apply chemicals or undergo drastic “tree surgery.”
Symptoms
A single wound or bark crack located on the trunk or a large branch...
/h3>/span>- Author: Karey Windbiel-Rojas
We have received several questions lately from people who've found large, strange looking insects in their garden and landscape. What are these alien-like creatures? Are they good, bad, do they bite?
They are Jerusalem crickets, also sometimes called sand cricket, niña de la tierra (child of the earth), potato bug, and stone cricket.
Jerusalem crickets are relatives of crickets, grasshoppers, and katydids. These large insects can be up to two inches long and have heads that somewhat resemble a human head. Their head and body are amber colored, with dark stripes on the abdomen, long antennae, and no wings. Their thick legs are...