Forests

Sudden oak death (SOD) is a disease syndrome that has killed millions of native oak trees (Figure 1) along the west coast of the United States, from Big Sur in California up to Southern Oregon.

Have you been seeing a lot of defoliated sycamore trees recently? Sparse foliage and early leaf drop on sycamore trees might be due to anthracnose. The cool, wet spring in many parts of California provided the perfect conditions for this disease.

Many of us at UC IPM are cat lovers and owners. Cats are popular household pets that bring joy and companionship to many families. Feral cats, on the other hand, can cause problems in our communities and around our homes and gardens. Feral cats are unsocialized, unowned cats that live outdoors.

Voles are small, mouselike rodents that can be pests in gardens and landscapes. They damage many types of plants with their gnawing, from vegetables to turf to trees. Voles can gnaw completely around the trunk or roots of trees, causing girdling, which can kill trees.

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.

An immense amount of rain has fallen across California in recent weeks. While rain is incredibly beneficial, in excess it can cause serious problems. The continued wet conditions opens the door for many pests, so see the list of dos and don'ts below for common wet weather pest prevention tips.

With many people thinking about turkey this time of year, we thought we would provide some interesting facts about wild turkeys for you to share during your holiday gatherings! Turkeys are not native to California but were introduced by European settlers.

You may not think about rodents such as rats, mice, or gophers until they become a pest around your home. Because rodents can be major pests in and around homes, gardens, landscapes, restaurants, and other buildings, each year pest control experts celebrate Rodent Awareness Week.

Many people think wild rabbits hopping around are adorablethere's even an international rabbit day celebrating wild and domestic rabbitsbut they're less welcome when they're eating your carefully tended garden. Wild rabbits in California can devour your garden vegetables, just like Peter Cottontail.

Abiotic plant disorders are generally caused by environmental conditions, rather than microorganisms. They are sometimes called noninfectious diseases. Abiotic disorders can develop if a plant's needs are not being met.