- Posted by: Gale Perez
UC Davis will host the Aquatic Weed School 2022 on October 31-November 1, 2022 at the Walter A. Buehler Alumni Center on the UC Davis campus. The Aquatic Weed School is an intensive two-day course focusing on issues associated with developing weed management strategies in a variety of aquatic ecosystems. The course provides a rare opportunity for professionals to efficiently update their understanding of aquatic weeds and interact with experts in this field. The Aquatic Weed School is designed for those involved in consulting, research, and management of aquatic weed systems throughout the western United States. The topics are presented...
- Author: John Madsen
The 17 western states have approximately 40 million square miles of irrigated farmland, supplied by an extensive network of irrigation canals. Without this system of irrigation, farming in most of the western states would not be possible. Irrigation systems in California were first authorized by the state legislature in the 1870's, but the statewide system was vastly expanded first in 1933, and then later in 1960 with the California Aqueduct. Without these irrigation systems, California agriculture would be vastly different.
Anytime you combine shallow water with sufficient clarity, you provide a habitat for plants to grow. Most irrigation systems in California have some level of weed infestation. Unlike the weed problems of the...
- 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...
/h3>- Author: John Madsen
- Author: Christy Morgan
- Posted by: Gale Perez
From the Journal of Aquatic Plant Management—Special Issue Vol. 59s 2021
Water temperature controls the growth of waterhyacinth and South American sponge plant
John D. Madsen and Christy M. Morgan
Abstract
We examined the effect of water temperature on the growth of two free-floating aquatic species in this study: waterhyacinth [Eichhornia crassipes (Mart.) Solms] and sponge plant [Limnobium laevigatum...
/h3>- Posted by: Gale Perez
From the Journal of Aquatic Plant Management—Special Issue Vol. 59s 2021
Seasonal growth and phenology of water hyacinth, curlyleaf pondweed, and Brazilian egeria in the Sacramento-San Joaquin River Delta
John D. Madsen, Christy M. Morgan and John Miskella
Abstract
The Sacramento–San Joaquin River Delta (hereafter the ‘‘Delta'') is a 28,000-ha (68,000 acre) tidal estuary formed by the Sacramento River...
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