UC Weed Science

Mark your calendar... Diagnosing Herbicide Symptoms 2024 link https://wric.ucdavis.edu/events/diagnosing_herbicide_symptoms_2024.html Weed Day 2024 link https://wric.ucdavis.edu/events/weed_day_2024.

For years, I thought I was seeing fountain grass, an invasive grass that is found in all kinds of wild and disturbed settings.

This year brings several new chemical tools to California rice. With many herbicide-resistant species as well as emerging problematic weed species, the new chemistries are a welcome tool for managing resistance and preventing the selection of resistant biotypes.

From the eOrganic and Performance and Economics of Electric Weed Control in Organic Perennial Crops Project: (Click HERE to see the presentations) Electric Weed Control in Orchards Tong Zhen, Ph.D.

Dandelions are pretty, but weeds nationwide cost homeowners, farmers, ranchers and land managers tens of billions of dollars each year in control measures and lost production. They also endanger fragile ecosystems and can increase threats of erosion and wildfire.