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

Posts Tagged: weeds

Do aquatic herbicide applications adversely affect dissolved oxygen levels in water?

water hyacinth in the Delta

One response to the suggestion that an herbicide be used to control aquatic weed problems in water is concern that the treatment will reduce the dissolved oxygen content of the water, with possible adverse effects on fish and other aquatic biota. ...

water hyacinth in the Delta
water hyacinth in the Delta

water hyacinth in the Delta

Posted on Monday, March 8, 2021 at 5:13 PM
Focus Area Tags: Environment, Pest Management

Invasive annual grasses threaten sage grouse populations

This article from the Sacramento Bee describes the impact of annual grass weeds on sites in the Great Basin, and argues that herbicides can play a role in salvaging the local ecosystem. Another entry in the category of "Ecology is complicated."

Posted on Wednesday, February 24, 2021 at 3:05 PM
Focus Area Tags: Environment

Preliminary Herbicide Screening in Rice on Watergrass Species

New/Unknown watergrass biotype in the field.

In 2017, I started getting reports of a watergrass biotype/species (Echinochloa spp.) that was difficult to control using our suite of herbicides registered in rice. At the time, I knew we had multiple herbicide-resistance in late watergrass (Echinochloa...

Posted on Sunday, January 3, 2021 at 11:45 PM
Tags: herbicides (9), IPM (77), resistance (7), resistance management (2), rice (43), watergrass (4), weeds (80)
Focus Area Tags: Agriculture

Fall Weed Management in Lawns and Landscapes

Bermudagrass (Credit: Jack Kelly Clark)

As the days get shorter and the temperatures begin to cool, now is the time to practice weed management for annual cool-season weeds. It's also not too early to consider management for weeds that emerge in springtime. Using integrated pest management...

Posted on Wednesday, October 14, 2020 at 10:06 AM
Focus Area Tags: Pest Management, Yard & Garden

SUPPRESSĀ® Herbicide for use in Rice Weed Control

SUPPRESSĀ® herbicide applied in test plots on weedy rice (2020).

SUPPRESS® herbicide EC, a product manufactured by Westbridge Agricultural Products, was registered in California in 2015. Its active ingredients are Caprylic Acid and Capric Acid. It is registered for use in organic production, and it is labeled for...

Posted on Tuesday, October 6, 2020 at 1:33 PM
Tags: herbicide (78), Rice (43), SUPPRESS (1), weed science (9), Weeds (80), Weeds Affecting Plants (4)
Focus Area Tags: Agriculture

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