Pest Management & Plant Health

We hope you enjoy this webinar with Maxwell Norton, retired UC Cooperative Extension Advisor for Merced County. Maxwell talks about the history of citrus, how varieties came to be, and how the citrus industry in Southern California became so successful.

As you may know, Groundhog Day is observed on February 2nd to predict if there will be an early spring or if six more weeks of winter are in order. Groundhogs are large, ground-dwelling rodents found mainly on the East Coast that can cause severe damage to landscapes, gardens, and structures.

Graduate student Adelaine "Addie" Abrams of the laboratory of Extension agricultural entomologist Ian Grettenberger, assistant professor, UC Davis Department of Entomology and Nematology, will present her dissertation proposal on "Precision Technologies for Integrative Pest Management of Aphids and...

Graduate student Adelaine "Addie" Abrams of the laboratory of Extension agricultural entomologist Ian Grettenberger, assistant professor, UC Davis Department of Entomology and Nematology, will present her dissertation proposal on "Precision Technologies for Integrative Pest Management of Aphids and...

The 12th annual UC Davis Biodiversity Museum Day, set Saturday, Feb.

Sucker control in Oregon hazelnut orchards is a season-long struggle against the tree's natural growth habit. Hazelnut trees grow naturally as a multi-stemmed bush, but in Oregon, hazelnuts are trained as a single-trunk tree to facilitate mechanical maintenance, harvest, and reduce pathogens.

There's so much to know about bark beetles! How can a tiny insect wreak such havoc in our forests? Two USDA forest entomologists will be presenting in-person and virtual seminars at the University of California, Davis on Tuesday, Jan. 31 and Wednesday, Feb. 1.

USDA forest research entomologist Chris Fettig of the USDA's Pacific Southwest Research Station, Davis, will speak on "Bark Beetles: How Tiny Insects Are Transforming Western Forests with a Little Help From Climate Change" at a seminar sponsored by the UC Davis Department of Entomology and Nematolog...

USDA Forest Service research entomologist Justin Runyon of the Rocky Mountain Research Station, Montana, will present a special UC Davis Department of Entomology and Nematology in-person and virtual seminar on "Secrets of a Long Life: Chemical Defense of Bark Beetles by Bristlecone Pines" on Tuesday...

[Originally featured in the Winter 2022 Issue of UC IPM's Green Bulletin Newsletter] Weeds can be a problem in any landscaped areas including around trees, shrubs, flower beds, or lawns and turf.