UCCE Sonoma County
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UCCE Sonoma County

Posts Tagged: Rice

UC Weed scientist hard at work

UC Rice Advisor Whitney Brim-DeForest

UC Rice Advisor Whitney Brim De-Forest is using a spray chamber to apply a foliar organic fertiliser to rice. She uses the chamber to make sure that they are applying a precise amount of the product. Thanks to @balde.hamady for the...

Posted on Wednesday, January 10, 2018 at 8:00 AM
Tags: Rice (37)

What Makes a Weed a Weed? The Case of “Weedy” Rice

Over the past year and a half, I have been conducting research and extension with weedy (red) rice (Oryza sativa L.), which has re-emerged as a pest in California rice fields. What makes this plant so interesting is that it is the exact same species as cultivated rice (also Oryza sativa L.). This...

Posted on Monday, January 8, 2018 at 3:18 PM
Tags: crop domestication (1), Rice (37), Weedy rice (4)
Focus Area Tags: Agriculture

Weedy Rice Update 2017

From the UC Rice Blog... The 2017 season kicked off with much fanfare regarding weedy rice. Thanks to the vigilance of the entire rice industry, the UCCE Rice Advisors received many calls regarding weedy rice, starting in late June, as growers finished their herbicide applications. Calls...

Posted on Wednesday, November 22, 2017 at 8:30 AM
Tags: Rice (37), weedy rice (4)

Using Pendimethalin in California Rice

Rice at 30 days after seeding, treated with Harbinger (pendimethalin) as a pre-emergent herbicide

As many of you are aware, many of our grass species in California rice are resistant to multiple herbicides. Late watergrass aka "mimic" (Echinochloa phyllopogon), early watergrass (E. oryzoides) and barnyardgrass (E. crus-galli) are among some of our most competitive weed species, causing...

Posted on Monday, July 10, 2017 at 12:00 AM
Tags: barnyardgrass (1), pendimethalin (1), rice (37), watergrass (1)

New weedy rice materials for the 2017 season

New website on California weedy rice information: www.caweedyrice.com

Over the past year, weedy rice has become a top issue in California rice, both for individual growers and for the industry as a whole. Working together, the University of California Cooperative Extension and the California Rice Commission have come up with a set of tools to assist in getting...

Posted on Tuesday, June 27, 2017 at 1:04 PM
Tags: Rice (37), weedy rice (4)

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