UCCE Master Gardeners of San Joaquin County
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UCCE Master Gardeners of San Joaquin County

Posts Tagged: Weeds

Common purslane: weed it and eat it

Common purslane leaves and flowers (Photo by Joe DiTomaso)

This has been a big year for purslane at the UC Davis farm. Common purslane (Portulaca oleracea) is a succulent summer annual weed with fleshy leaves and rubbery-looking stems. Native to Eurasia, or maybe Africa, purslane arrived in the Americas with the...

Brittle, easily broken stems help common purslane to spread (photo by Guy Kyser)
Brittle, easily broken stems help common purslane to spread (photo by Guy Kyser)

Brittle, easily broken stems help common purslane to spread (photo by Guy Kyser)

Left on the soil, purslane stem fragments form new roots (photo by Guy Kyser)
Left on the soil, purslane stem fragments form new roots (photo by Guy Kyser)

Left on the soil, purslane stem fragments form new roots (photo by Guy Kyser)

Posted on Friday, September 14, 2018 at 2:02 PM
Tags: agricultural weed (6), weeds (64)

What to do with those tough to control perennial weeds in established alfalfa?

AlfalfaWeeds

The old saying, “Everything's fine until it's not,” comes to mind when dealing with some tough to control perennial weeds in alfalfa production during the summertime. Such was the case for an alfalfa field in the Sacramento Valley, where weed...

Posted on Friday, August 17, 2018 at 3:54 PM
Tags: Alfalfa (18), herbicides (5), weeds (64)
Focus Area Tags: Agriculture Pest Management

Collecting weed seeds and new watergrass weed species

Seed head of unknown watergrass species (Echinochloa spp.)

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...

Posted on Thursday, August 16, 2018 at 9:45 AM
Focus Area Tags: Agriculture Pest Management

Puncturevine raises its spikey head

Flower

From the Topics in Subtropics blog The following article is from the UC ANR Integrated Pest Management website, authored by Cheryl Wilen. http://ipm.ucanr.edu/PMG/PESTNOTES/pn74128.html   Puncturevine (Tribulus terrestris) is an aptly named...

Posted on Wednesday, August 1, 2018 at 7:00 AM
Tags: goathead (1), invasive weeds (80), Invasives (12), puncturevine (1), Weeds (64)

Managing weedy grasses

Fig 3. The creeping stolons of bermudagrass. (Credit: Clyde Elmore)

[From the Spring issue of the UC IPM Retail Nursery & Garden Center News and the Pests in the Urban Landscape blog]   “I hate crabgrass!” is a common lament I've heard from residents during my 35 years in UC Weed Science. However,...

Posted on Saturday, June 23, 2018 at 8:00 AM
Focus Area Tags: Pest Management Yard & Garden

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