Posts Tagged: weed

Herbicide injury in avocado

From the Topics in Subtropics blog (Oct. 15, 2018) ****************** Although the main objective of herbicide use in avocado orchards (and all crops) is to manage weed populations, sometimes unintentional injury of the crop itself can occur when...

Will climate change affect the sensitivity of weeds to herbicides?

Herbicides are the main means of controlling weeds. Recently, there has been increasing concern over the potential impacts of climate change, specifically, increasing temperatures and elevated carbon dioxide (CO2) concentrations, on the sensitivity of...

Weed Science is everywhere even on summer vacation!

Heat is something that many Californians are used to, and live with for several months out of the year, but prolonged triple digit heat is not something I am used to in my corner of the state. Sure it gets hot up here in Lassen County, but there is most...

Bristly Oxtongue Lives Up to its Name

This summer, you may have noticed what looks like a large dandelion plant covered in blisters growing in your lawn or landscape. It's known as bristly oxtongue, and if you examine or touch it you'll see and feel why. The stems and flower bracts are...

Collecting weed seeds and new watergrass weed species

There are two (2) new posts on the UC Rice Blog written by Whitney Brim-DeForest, Cooperative Extension Rice Advisor. It's that time again: Collect Weed Seeds for Herbicide Resistance Testing!   New Watergrass Species: be on the...

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