“I hate crabgrass!” is a common lament I've heard from residents during my 35 years as a UCCE Weed Science Farm Advisor. However, four out of five times, the weed people are actually referring to is not crabgrass, but bermudagrass or dallisgrass. So why does knowing the name of the...
- Author: Gale Perez
Don't miss UC Cooperative Extension Weed Specialist emeritus Clyde Elmore's photo exhibit “The Great Outdoors”.
If you attend Weed Day 2018 (July 12, 2018) you'll get a chance to see the exhibit.
“The Great Outdoors”
July 3-Aug. 29, 2018
Buehler Alumni Center, UC Davis
530 Alumni Lane, Davis, CA
Please join Clyde for the reception on July 6, 2018 from 4:30-7 PM.
- Author: Lynn M. Sosnoskie
According to the CalFlora website (http://www.calflora.org/), 21 species of amaranths occur (to some extent) in California. While many are non-native, a few, including prostrate pigweed (Amaranthus blitoides) and Palmer amaranth (Amaranthus palmeri), are indigenous. While it may be convenient to lump all of the genus Amaranthus together when considering weed management options, proper identification is important for understanding the potential for crop yield loss (not all amaranths were created equal with respect to competitiveness) and the possibility of herbicide resistance (populations of Palmer amaranth with resistance to glyphosate have been confirmed in the...
- Author: Cheryl A. Wilen
I recently attended a Santa Ana River - Orange County Weed Management Area (SAROCWMA) meeting and there was the opportunity for participants to update the group about new invasive plants as well as give an update on management of these and others. During the discussion, Ron Vanderhoff from the Orange County Native Plant Society (OC-CNPS), reported on new findings of a plant I never heard of. In fact, when they group was talking about it, I wasn't sure if I heard the name right.
The plant is called stinknet (Oncosiphon piluliferum), which to me sounds like a game played by 10 year olds. However, the OC-CNPS considers it an emerging invasive weed (
- Author: Tunyalee A. Martin
Last week during California Invasive Species Action Week (June 2 – June 10), we highlighted several pests, but there are many more invasive species out there. Now that you know about them, share your knowledge of invasive species with others. And no matter what your summer plans, here are some things YOU can do about invasive species from the California Department of Fish and Wildlife and California Department of Food and Agriculture.
YOU: I'M TRAVELLING TO AMAZING PLACES
- Learn what plants and animals you can bring into California.