UC Weed Science (weed control, management, ecology, and minutia)

Although many orchard weed managers are waiting for rain (or at least a chance of rain) before putting out their dormant-season herbicide applications, I thought I'd post a few results from three 2011 residual herbicide trials focused on hairy fleabane.

The public's increasing demand for safe green products has resulted in many new environmentally-friendly products becoming available for controlling weeds in the garden and landscape.

One of my major areas of research the past few years has been related to alternatives to methyl bromide fumigation in perennial crop nurseries. A list of recent posts on soil fumigation research and issues is available.

As we start the winter season today, many locals and tourist to our area look forward to the end of winter when the Napa Valley comes alive with the beauty of yellow mustard flower that has been celebrated for many years in the Napa Valley Mustard Festival.

Herbicide resistance is the inability of an herbicide to control a weed species that it was previously effective against. Weed scientists will often tell growers that a means for managing resistance is to rotate herbicide chemistries such that you are rotating among mechanisms of action.