Author Archives: Brad Hanson

About Brad Hanson

Brad Hanson is a University of California Cooperative Extension Specialist at UC Davis. His statewide weed science research and extension program focuses on weed management, herbicide resistance, and crop safety issues.

Glyphosate formulations – What’s the difference (and what the heck is a “salt”)?

Cross post from UC Weed Science blog 12/20/17 Glyphosate is one of the most widely used herbicides in the world and is extremely important in many of our orchard, vineyard, and annual crops as well as in non-crop and home situations. However, it can be confusing to understand some of the differences among various formulations […]

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Preemergence herbicide concepts for orchard crops

Cross post from the UC Weed Science blog 11-24-14. It’s that time of the year when we’re planning preemergence (aka “residual”) herbicide programs for orchard and vineyard crops in California.  Typically, these are the herbicides that are applied in the fall, winter, or early spring BEFORE weeds emerge (preemergence) and they usually affect weeds as […]

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Managing junglerice in tree nut crops – a summer grass weed resistant to glyphosate

Cross posted from the UC Weed Science blog and originally written for the California Weed Science Society Research Update and News. -Brad Managing Junglerice in Tree Nut Crops – a summer weed resistant to glyphosate Marcelo L. Moretti1, Seth Watkins1, Bill Gary2, and Brad Hanson1 1University of California – Davis, CA; 2Mid Valley Ag – […]

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