Pest Management & Plant Health

American pokeweed is a large weedy shrub also known as pokeberry, American nightshade, poke salad, and a variety of other names. It is native to the eastern U.S. but is spreading in parts of California.

Strawberry, a high-value specialty crop in California, suffers from several soilborne, fruit, and foliar diseases. Verticillium wilt caused by Verticillium dahliae, Fusarium wilt caused by Fusarium oxysporum f. sp.

Planning to get your fall garden started? If you missed our live presentation of the Fall Vegetable Gardening class, you can now watch it on our YouTube Channel! Fall Vegetable Gardening was recorded on August 25, 2020.

Beneficial insects can provide a lot of support in the garden. Natural enemies, which include predators, parasites, and pathogens, reduce pest populations and can help prevent damage to plants.

Jay Rosenheim is a legend around the UC Davis Department of Entomology and Nematology. He's known for his scientific intellect, his research, his publications, his dedication, his commitment, his enthusiasm, his caring, and his kindness.

Pest Notes are UC IPM publications written for people who want information about pests in homes, office buildings, schools, gardens, urban landscapes, and more. We have more than 170 peer-reviewed Pest Notes on topics ranging from ants to the Zoropsis spider, all available on our website.

If you think there's a butterfly invasion in the three-county area of Yolo, Solano and Sacramento, wait until you hear what Art Shapiro, distinguished professor evolution and ecology at the University of California, Davis, says about that.

The white garden snail (Theba pisana), sometimes known as the Italian white snail, can be a serious pest of landscape ornamentals, including trees, shrubs, groundcovers, and herbaceous plants (Figure 1).

Have you listened to the new field bindweed podcast on Growing the Valley? Dr. Lynn Sosnoskie may have moved across the country to Cornell, but she is still interested in finding new and better ways to kill field bindweed.

The spotted lanternfly (Lycorma delicatula) is a new exotic pest that was first detected in Pennsylvania in 2014 and has since moved to other nearby states (Figure 1).