Forests

A well-watered plant that suddenly wilts or unexpectedly drops its leaves could be infected with the soil pathogen Phytophthora. The disease it causes, Phytophthora root and crown rot, can affect many plants, including ornamental trees and shrubs, fruit trees, and vegetables.

UC IPM recently hosted a webinar on rat management presented by Dr. Niamh Quinn. During this webinar attendees were able to ask the expert their burning questions about rats and their management. Below are responses to common questions from the webinar.

With Thanksgiving approaching, turkeys are on many of our minds. But for those that live in a neighborhood with frequent turkey visitors, you might think of them more often. Like most creatures, turkeys are not always considered a pest, and some people may even enjoy seeing them.

While you may not notice symptoms of peach leaf curl until the spring, you should manage it in the fall and winter. Peach leaf curl is a fungal disease that primarily affects peach and nectarine trees.

A line of pushed up grass. A volcano sized mound. Yep, it's probably a mole! While you may never actually see the mole itself, the signs of their presence are pretty clear. Moles are small burrowing mammals (not rodents) that live almost entirely underground in extensive tunnel networks.

With the passing of law AB 1322 in 2023 and the recent passing of AB 2552 in September 2024, the options for managing California ground squirrels using lethal methods in urban areas will be more limited.

Learn to identify and manage common tomato problems in Alameda County. Expert solutions for blight, pests, fruit issues, and plant diseases.

Rats can contaminate our food, damage structures, and spread diseases. To help residents and urban pest professionals safely and effectively manage rats, UC IPM has updated the Pest Notes: Rats publication.

In this blog article we answer some frequently asked questions about moles, voles, and gophers and their management. How can I tell if I have moles, voles, gophers, or something else? Moles: look for circular or volcano-shaped mounds with the plug in the middle, or a plug may not be apparent.

Our expert guide to selecting, planting, and caring for street trees in Alameda County. Tips on site evaluation, approved species, and proper care.