- Author: Ryan Hill
My name is Ryan Hill, and I am the new UC Cooperative Extension Weed Science and Agronomy Advisor in Tehama County, also serving Shasta and Glenn counties. I received a B.S. in Biology from George Fox University in 2014 and an M.S. in Plant Breeding and Genetics from the Department of Horticulture at Oregon State University in 2020. From 2020 to 2023 I was a Faculty Research Assistant in Dr. Marcelo Moretti's perennial weed science lab at OSU. In this role I conducted weed research in horticultural crops including several projects on herbicide-induced crop injury. Additional projects included electrical weed control of Italian ryegrass, sucker control in hops and hazelnuts, pollinator habitat establishment with pre-emergent herbicides, and many others.
As a UCCE advisor I intend to pursue projects related to weed control in rangeland, irrigated pasture, orchards, small grains, and forage crops. I will also be providing broad support to agronomic crop production in the counties I serve. My current priority is to identify research and extension targets by meeting with growers, PCAs, UC researchers, and industry representatives. I am looking forward to working with the community to promote agricultural productivity and sustainability over the years to come.
- Posted by: Gale Perez
Don't miss the early-bird fee (ends 8/1/2023)
Weed Science School 2023
Most of us learn best by doing, which is why Weed Science School 2023 promises to be better than ever this year.
The course offers hands-on training and will include four rotations where participants can be involved in weed identification, spray nozzle demonstration, an adjuvant demonstration, and an herbicide symptomology lab. In addition, we provide several lectures on weed biology, ecology, organic weed management techniques, herbicides action and resistant management and prevention discussions, as well as various aspects on environmental impacts.
The Weed Science School is an intensive 2-1/2-day course (Sept. 19-21, 2023) focusing on the mode and mechanism of herbicide activity in plants and the fate of herbicides in the environment. The school is designed for those involved in consulting, research, development, or sales of agricultural chemicals in the private or public sector.
For a full agenda here, visit the UC WeedRICwebsite at http://wric.ucdavis.edu and click on WEED SCIENCE SCHOOL.
Weed Science School 2023
Sept. 19-21, 2023 ? UC Davis
$825.00 ? Early-bird registration fee (if received by 8/1/2023)
$900.00 ? Registration fee (if received by 8/18/2023)
$950.00 ? Registration fee (if received after 8/18/2023)
The course fee includes a comprehensive notebook, lunch and light refreshments each day. Class size is limited, so early enrollment is suggested. No walk-in registrations accepted.
To register or for more information, visit Weed Science School 2023 (https://wric.ucdavis.edu/events/weed_science_school_2023.html).
/h2>
- Author: Jeffrey P. Mitchell
March 4, 2022
Nearly 100 students in Dr. Anil Shrestha's weed science course at Fresno State University spent time in the field as part of their laboratory sessions to learn about the potential roles that cover crops and roller/crimpers might play in weed management and moreover, improved performance annual crop production paradigms. Although roller/crimpers have been around and used in several places around the world including the South American countries of Brazil, Argentina, and Paraguay, as well as in the Southeast US for decades, the technology is relatively new in California. However, Dr. Shrestha and his MS student, Robert Wilmott, have been evaluating the approach for five years on the CSU Fresno campus with good success and this spring their current study provided a very nice and rich educational opportunity for students to visit and observe.
During the week of February 28 through March 4, three lab sections of Dr. Shrestha's class toured the various cover crop mixes that he and Wilmott have in their study. The students learned about the background of the roller/crimper, its potential use in improved performance production systems that rely on principles of soil health management, and characteristics of the various cover crop treatments that Shrestha and Wilmott are evaluating as part of their ongoing study. Wilmott led each group of students out into the field where they observed the different cover crops and also learned about various weed species that were seen often in bare spots where the cover crops didn't cover the soil.
At the end of the lab, students helped Wilmott and Shrestha by collecting data on the maturity stages of two cover crops, Pacheco triticale and Merced rye, that are part of a multi-site evaluation of two maturity stages for cover crop rolling. Students took data on the percentage of random plants that were at the anthesis or initial flowering stage in the strips where replicated plantings of the two cover crop species were located. Rolling at antheis is one of the roller/crimper timing treatments that Shrestha and Wilmott and a wider group of colleagues in Salinas, Santa Cruz, and Davis are evaluating this spring.
A short video is available for viewing at You Tube describing the students' work in the field at
More background information on cover crop roller/crimpers is also available at the You Tube site
/span>
- 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.
Weedy Rice Type 1
Weedy Rice Type 2
Weedy Rice Type 3
Weedy Rice Type 5
- Author: Whitney Brim-DeForest
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.