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

Posts Tagged: glyphosate

Multiple independent origins of glyphosate resistance in Italian ryegrass

Italian ryegrass

The evolution of herbicide resistance in weeds is an ongoing problem in California agriculture. Resistance to glyphosate has become particularly widespread across the state. Normally, glyphosate kills weedy plants by inhibiting...

Posted on Monday, March 5, 2018 at 7:38 AM
Focus Area Tags: Agriculture Pest Management

FULL COMMITTEE HEARING : “In Defense of Scientific Integrity: Examining the IARC Monograph Programme and Glyphosate Review”

The House Science Committee will hold a hearing on: “In Defense of Scientific Integrity: Examining the IARC Monograph Programme and Glyphosate Review” Tuesday, February 6 at 10 a.m. (E.S.T) Witnesses: Dr. Anna Lowit, Senior Science...

Posted on Monday, February 5, 2018 at 8:01 PM
Tags: glyphosate (31)

Weed spotting by drone

Seth Watkins shared the following article with me--thanks Seth. To see the actual article, visit https://agresearchmag.ars.usda.gov/2017/dec/drone/.   Weed Spotting By Drone   ARS agricultural engineer Yanbo Huang (left) and...

Posted on Friday, December 22, 2017 at 8:00 AM
Tags: drone (6), Glyphosate (31), glyphosate resistance (12), GR weeds (1), USDA ARS (1)

Common Purslane—problems and management in alfalfa fields

Figure 1. Common purslane. Photo courtesy UC IPM.

We have become aware that common purslane (Portulaca oleracea, Fig. 1) is an increasing problem in alfalfa fields, particularly during the months of July through September. A pest control advisor (PCA) was recently seeking advice on managing purslane in...

Posted on Thursday, August 17, 2017 at 4:32 PM
Tags: Alfalfa (18), glyphosate (31), weed control (79)

Herbicide resistance in Poa annua (annual bluegrass)

Poa annua (annual bluegrass)

Annual bluegrass is a common winter growing grass in agricultural and urban environments. It is a well-known weed of turfgrass systems but its ability to grow in a range of environments makes it an increasing problem for other agricultural systems....

Posted on Monday, April 3, 2017 at 7:24 PM

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