- Posted by: Gale Perez
If you missed the Weed Management in Agronomic Crops for a Changing Environment 2021 online event (Nov. 15, 2021 • 9 AM-12 noon PST), you're in luck. We have the recordings of each presentation here.
Weed Management in Agronomic Crops for a Changing Environment (2021)
Moderator • Whitney Brim-DeForest, Sutter-Yuba County Director and Rice Advisor, UCCE Sutter-Yuba, Placer, and Sacramento Counties • CONTACT INFORMATION
- Author: John Madsen
A new invader was found in the Sacramento-San Joaquin River Delta (hereafter “Delta”) by California State Parks, Division of Boating and Waterways (“CDBW”). The new weed is Australian ribbonweed, Vallisneria australis S.W.L. Jacobs and Les. First described as V. gigantea, the taxonomic name has been revised to V. australis (see photos). It has multiple common names, including ribbonweed, eel grass, and others. Native to Australia, it has been spread to New Zealand, Europe, and North America. Ribbonweed is widely sold in both aquatic gardening and aquarium trades.
Ribbonweed forms fertile seed pods, but the predominant form of spread is vegetative by stolon fragments. It forms...
- Posted by: Gale Perez
The Department of Plant Sciences at the University of California, Davis, seeks an Assistant Professor of Cooperative Extension in Invasive Weed and Restoration Ecology. Faculty in the Department are engaged in developing and disseminating comprehensive basic and applied knowledge regarding all aspects of plant sciences related to managed and natural ecosystems. This position fills a key gap in research and Extension leadership in weed management and ecological restoration in rangelands, wildlands and natural areas.
Rangelands, wildlands and natural areas span about 75% of California's land area and provide critical economic benefits and ecological services. The spread of weedy and invasive plants...
- Author: Whitney Brim-DeForest
- Posted by: Gale Perez
From the UC Rice Blog :: Feb. 18, 2022
We have recently produced a series of videos on weedy rice identification in California. Each video is biotype-specific. Our UC Rice YouTube Channel also has many other recordings from our virtual meetings and webinars.
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- Author: Guy B Kyser
- Author: John Madsen
- Author: John Miskella
- Author: Jon O'Brien
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From the Journal of Aquatic Plant Management—Special Issue Vol. 59s 2021
New herbicides and tank mixes for control of waterhyacinth in the Sacramento–San Joaquin Delta
Guy B. Kyser, John D. Madsen, John Miskella, and Jon O'Brien
Abstract
The Sacramento–San Joaquin Delta is the largest freshwater estuary on the...
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