Beneficial nematodes are tiny worms that naturally kill grubs without harming people, pets, or pollinators. Apply nematodes in spring or fall when the soil is moist and shaded for best results. Using ...

Have you ever pulled up vegetable plants such as tomatoes or peppers at the end of the growing season and noticed bumps along the underground portion of the stem or on the roots? Did you wonder what ...

UC Davis nematologists, including Valerie Williamson, professor emerita in the Department of Plant Pathology, and associate professor Shahid Siddique, Department of Entomology and Nematology, have ...

A photo of a cyst nematode's head viewed through a high-power microscope shows its esophageal glands, which produce effectors it uses to infect host plants. The image was digitally edited to highlight ...