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 ...

Plant-parasitic nematodes pose a major global threat to crop productivity by penetrating roots, inducing galls or lesions and disrupting nutrient and water uptake. Their success is intimately linked ...

DEAR GARDEN COACH: My tomatoes plants did well the first two months of their life and then went downhill fast. I fertilized, mulched and watered with care, all to no avail. I pulled them up and ...

The Queensland Longhorn Beetle has wreaked havoc on Hawaii island farmers, but it turns out there’s a microscopic solution available on the coasts: nematodes. Entomopathogenic nematodes, to be exact.

Plant-mediated interactions between two belowground agricultural pests have been uncovered: When field mustard plants are infected by root-knot nematodes, they change their defense strategy in a way ...

Megalaima incognita induces transcriptome reprograming in an infection stage-dependent manner. A: Venn diagram showing overlapping and uniquely differentially expressed genes (DEGs) between galls and ...

Jerry asks: I have had problems with root knot nematodes in the past. Currently, one of my tomato plants looks like it is dying. Could that be the cause? Is there anything I can do to save the plant?

Scientists have purified and identified an attractant for crop-infecting root-knot nematodes from flaxseeds. Their experiments revealed that rhamnogalacturonan-I (RG-I), a flaxseed cell wall component ...

The western corn rootworm, one of the world's most damaging maize pests, can use plant defense compounds to defend itself against its own natural enemies, so-called entomopathogenic nematodes. However ...

(Beyond Pesticides, May 9, 2025) Research in Advances in Modern Agriculture showcases how pesticide residues can threaten the health of soil nematodes and cause phytotoxic effects in cucumber plants.

Grandmother planted marigolds in her vegetable garden because that’s what her mother did. Maybe she heard they were good for pest control, but we know they have no effect on the majority of garden ...