UCCE Master Gardeners of San Joaquin County
University of California
UCCE Master Gardeners of San Joaquin County

Posts Tagged: weeds

Weeds serving as alternative hosts for diamondback moth

Fig. 1. Diamondback caterpillar spotted on a secondary branch of a brassica weed by the side of Blackie Road, Castroville, CA. Photo by E. Garcia.

Diamondback moth (DBM) is a persistent pest in the Salinas-Castroville area. We were able to find late instar caterpillars in several spots along Blackie road on Tuesday, January 22nd. Basically, these caterpillars were feeding on brassica weeds, located...

Posted on Sunday, January 27, 2019 at 7:00 AM
Tags: Cole Crops (3), Diamondback moth (1), Weeds (62)
Focus Area Tags: Agriculture Pest Management

Updated Landscape Weed Info

Mallow (cheeseweed). [Credit: Jack Kelly Clark]

Controlling weeds can be challenging to landscape professionals or home gardeners since landscapes often include a mix of turfgrass, annual plants, herbaceous perennials, shrubs, and trees. The newly revised publication Pest Notes: Weed Management in...

Mallow (cheeseweed). [Credit: Jack Kelly Clark]
Mallow (cheeseweed). [Credit: Jack Kelly Clark]

Mallow (cheeseweed). [Credit: Jack Kelly Clark]

Posted on Wednesday, October 3, 2018 at 10:53 AM
Tags: control (34), herbicide (60), IPM (60), landscape (22), manage (2), management (23), nonchemical (2), pest (64), plants (12), UC IPM (204), weeds (62), Wilen (10)
Focus Area Tags: Pest Management Yard & Garden

Why I Left my Boots in Mozambique

Striga (witchweed) growing in a corn field.

In March of this year I traveled to Chimoio, Mozambique to provide an Integrated Pest Management training to a group of farmers through the USAID Farmer-to-Farmer program. On my first day at the farm, we toured the farm and discussed their worst pest...

Posted on Monday, September 24, 2018 at 11:39 AM

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 (62)

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 (17), herbicides (5), weeds (62)
Focus Area Tags: Agriculture Pest Management

Next 5 stories | Last story

 
E-mail
 
Webmaster Email: mdhachman@ucdavis.edu