Western Society of Weed Science
@wsweedsci.bsky.social
Professional society dedicated to weed management in managed & natural areas of western North America.
Reposted by Western Society of Weed Science
Get an up-close look at the future of #citrus ag tech!
Join UC ANR Innovate & Farmhand Ventures for VINE Connect Field Day on Dec. 5 in Exeter.
See six cutting-edge ag tech demos tackling real grower challenges.
Free to attend — register now!
ucanr.edu/blog/food-bl...
Join UC ANR Innovate & Farmhand Ventures for VINE Connect Field Day on Dec. 5 in Exeter.
See six cutting-edge ag tech demos tackling real grower challenges.
Free to attend — register now!
ucanr.edu/blog/food-bl...
Public invited for up-close look at future of citrus ag tech | Food Blog
Six ag tech companies will demonstrate their technologies at a VINE Connect Field Day on Dec. 5 at the Lindcove Research and Extension Center. This cohort focuses specifically on citrus and tree fruit...
ucanr.edu
November 12, 2025 at 11:26 PM
Get an up-close look at the future of #citrus ag tech!
Join UC ANR Innovate & Farmhand Ventures for VINE Connect Field Day on Dec. 5 in Exeter.
See six cutting-edge ag tech demos tackling real grower challenges.
Free to attend — register now!
ucanr.edu/blog/food-bl...
Join UC ANR Innovate & Farmhand Ventures for VINE Connect Field Day on Dec. 5 in Exeter.
See six cutting-edge ag tech demos tackling real grower challenges.
Free to attend — register now!
ucanr.edu/blog/food-bl...
🌱 Calling all #WeedScience Research Labs! 🌱
Tomorrow is #STEMDay & is the perfect opportunity to open your doors and inspire the next generation of #scientists. 👩🔬👨🔬 What do you have planned for undergrads, grad students, or the public this year?
#WSWS #STEM
Tomorrow is #STEMDay & is the perfect opportunity to open your doors and inspire the next generation of #scientists. 👩🔬👨🔬 What do you have planned for undergrads, grad students, or the public this year?
#WSWS #STEM
November 7, 2025 at 2:30 PM
🌱 Calling all #WeedScience Research Labs! 🌱
Tomorrow is #STEMDay & is the perfect opportunity to open your doors and inspire the next generation of #scientists. 👩🔬👨🔬 What do you have planned for undergrads, grad students, or the public this year?
#WSWS #STEM
Tomorrow is #STEMDay & is the perfect opportunity to open your doors and inspire the next generation of #scientists. 👩🔬👨🔬 What do you have planned for undergrads, grad students, or the public this year?
#WSWS #STEM
Attention Officers & Committee Chairs - we need updates for the Fall 2025 Newsletter!
Please get submissions to Carl Libbey by THIS FRIDAY, Nov. 7th!
#wsws #invasiveplants #weedscience #weedscientists #weedmanagement
Please get submissions to Carl Libbey by THIS FRIDAY, Nov. 7th!
#wsws #invasiveplants #weedscience #weedscientists #weedmanagement
November 4, 2025 at 4:15 PM
Attention Officers & Committee Chairs - we need updates for the Fall 2025 Newsletter!
Please get submissions to Carl Libbey by THIS FRIDAY, Nov. 7th!
#wsws #invasiveplants #weedscience #weedscientists #weedmanagement
Please get submissions to Carl Libbey by THIS FRIDAY, Nov. 7th!
#wsws #invasiveplants #weedscience #weedscientists #weedmanagement
📣DON'T FORGET!! The CAST Webinar on irrigation management is tomorrow! Please see email for registration details!
#WSWS #weedscience #invasiveplants #agriculture #agscience
#WSWS #weedscience #invasiveplants #agriculture #agscience
November 3, 2025 at 3:20 PM
📣DON'T FORGET!! The CAST Webinar on irrigation management is tomorrow! Please see email for registration details!
#WSWS #weedscience #invasiveplants #agriculture #agscience
#WSWS #weedscience #invasiveplants #agriculture #agscience
🎃👻 Ghouls & goblins bring a fright,
but weeds invade both day & night!
They creep & crawl, they choke & spread—
leaving native plants for dead! 🌿💀
This #Halloween, take a stand—
keep those spooky invaders off the land! 🌾🕸️
#WSWS #weedscience #invasiveplants #noxiousweeds
but weeds invade both day & night!
They creep & crawl, they choke & spread—
leaving native plants for dead! 🌿💀
This #Halloween, take a stand—
keep those spooky invaders off the land! 🌾🕸️
#WSWS #weedscience #invasiveplants #noxiousweeds
October 31, 2025 at 3:20 PM
🎃👻 Ghouls & goblins bring a fright,
but weeds invade both day & night!
They creep & crawl, they choke & spread—
leaving native plants for dead! 🌿💀
This #Halloween, take a stand—
keep those spooky invaders off the land! 🌾🕸️
#WSWS #weedscience #invasiveplants #noxiousweeds
but weeds invade both day & night!
They creep & crawl, they choke & spread—
leaving native plants for dead! 🌿💀
This #Halloween, take a stand—
keep those spooky invaders off the land! 🌾🕸️
#WSWS #weedscience #invasiveplants #noxiousweeds
🌿 WSWS is seeking nominations! 🎓 Elena Sanchez Student Travel Grant & 🚜 Roland Schirman Memorial Travel Grant — Due Oct 31
🏆 Distinguished Achievement Awards — Due Dec 1 (Outstanding Weed Scientist, Weed Manager, Professional Staff)
Nominating info on graphic posted.
#WSWS
🏆 Distinguished Achievement Awards — Due Dec 1 (Outstanding Weed Scientist, Weed Manager, Professional Staff)
Nominating info on graphic posted.
#WSWS
October 29, 2025 at 4:45 PM
🌿 WSWS is seeking nominations! 🎓 Elena Sanchez Student Travel Grant & 🚜 Roland Schirman Memorial Travel Grant — Due Oct 31
🏆 Distinguished Achievement Awards — Due Dec 1 (Outstanding Weed Scientist, Weed Manager, Professional Staff)
Nominating info on graphic posted.
#WSWS
🏆 Distinguished Achievement Awards — Due Dec 1 (Outstanding Weed Scientist, Weed Manager, Professional Staff)
Nominating info on graphic posted.
#WSWS
📚 This #WeedScience School took place a few weeks ago.
Do you have something similar in your region for #outreach? If so, share with us in the comments!
https://ucanr.edu/blog/uc-weed-science-weed-control-management-ecology-and-minutia/article/weed-science-school-2025
#WSWS
Do you have something similar in your region for #outreach? If so, share with us in the comments!
https://ucanr.edu/blog/uc-weed-science-weed-control-management-ecology-and-minutia/article/weed-science-school-2025
#WSWS
Weed Science School 2025 | UC Weed Science (weed control, management, ecology, and minutia)
Weed Science School is less than two weeks away! Join the UC Davis Weed Research and Information Center for this 2.5 day course.
ucanr.edu
October 29, 2025 at 4:20 PM
📚 This #WeedScience School took place a few weeks ago.
Do you have something similar in your region for #outreach? If so, share with us in the comments!
https://ucanr.edu/blog/uc-weed-science-weed-control-management-ecology-and-minutia/article/weed-science-school-2025
#WSWS
Do you have something similar in your region for #outreach? If so, share with us in the comments!
https://ucanr.edu/blog/uc-weed-science-weed-control-management-ecology-and-minutia/article/weed-science-school-2025
#WSWS
📣It's time for submissions for the 2025 Fall edition of the #WSWS newsletter! 🍂
Please submit articles to Editor Carl Libbey (wswsnewsletter@gmail.com) by Nov. 7th!
#weedscience #invasiveplants #themoreyouknow
Please submit articles to Editor Carl Libbey (wswsnewsletter@gmail.com) by Nov. 7th!
#weedscience #invasiveplants #themoreyouknow
October 28, 2025 at 2:10 PM
📣It's time for submissions for the 2025 Fall edition of the #WSWS newsletter! 🍂
Please submit articles to Editor Carl Libbey (wswsnewsletter@gmail.com) by Nov. 7th!
#weedscience #invasiveplants #themoreyouknow
Please submit articles to Editor Carl Libbey (wswsnewsletter@gmail.com) by Nov. 7th!
#weedscience #invasiveplants #themoreyouknow
Reposted by Western Society of Weed Science
Join #UCANR!
We're #hiring an Assistant Director, Government & Community Relations to strengthen partnerships & engage with local, state, & federal leaders.
📍 Davis, CA (hybrid eligible)
👉 Apply now: bit.ly/47ka2DJ
#UCANRJobs
We're #hiring an Assistant Director, Government & Community Relations to strengthen partnerships & engage with local, state, & federal leaders.
📍 Davis, CA (hybrid eligible)
👉 Apply now: bit.ly/47ka2DJ
#UCANRJobs
October 24, 2025 at 8:00 PM
Join #UCANR!
We're #hiring an Assistant Director, Government & Community Relations to strengthen partnerships & engage with local, state, & federal leaders.
📍 Davis, CA (hybrid eligible)
👉 Apply now: bit.ly/47ka2DJ
#UCANRJobs
We're #hiring an Assistant Director, Government & Community Relations to strengthen partnerships & engage with local, state, & federal leaders.
📍 Davis, CA (hybrid eligible)
👉 Apply now: bit.ly/47ka2DJ
#UCANRJobs
Reposted by Western Society of Weed Science
Quote: "Iceland was one of only two mosquito-free havens in the world prior to the discovery, partly due to its cold climate. The only other recorded mosquito-free zone is Antarctica."
www.bbc.com/news/article...
www.bbc.com/news/article...
Mosquitoes found in Iceland for first time after record heat
Previously the country was one of the world's only mosquito-free zones.
www.bbc.com
October 25, 2025 at 4:06 AM
Quote: "Iceland was one of only two mosquito-free havens in the world prior to the discovery, partly due to its cold climate. The only other recorded mosquito-free zone is Antarctica."
www.bbc.com/news/article...
www.bbc.com/news/article...
Reposted by Western Society of Weed Science
Stinknet is a relatively new invasive plant in the United States. Take a short survey to help researchers understand how land managers are dealing with this emerging threat: uarizona.co1.qualtrics.com/jfe/form/SV_...
@wsweedsci.bsky.social @cal-ipc.bsky.social
Please retweet!
@wsweedsci.bsky.social @cal-ipc.bsky.social
Please retweet!
Qualtrics Survey | Qualtrics Experience Management
The most powerful, simple and trusted way to gather experience data. Start your journey to experience management and try a free account today.
uarizona.co1.qualtrics.com
October 23, 2025 at 7:20 PM
Stinknet is a relatively new invasive plant in the United States. Take a short survey to help researchers understand how land managers are dealing with this emerging threat: uarizona.co1.qualtrics.com/jfe/form/SV_...
@wsweedsci.bsky.social @cal-ipc.bsky.social
Please retweet!
@wsweedsci.bsky.social @cal-ipc.bsky.social
Please retweet!
🌵 Calling all #WSWS members!
Proposals will soon open for symposia at the 79th Annual Meeting in Tucson, AZ — March 2–5, 2026.
💡 Topics of broad or local interest encouraged!
#WSWS2026 #weedscience #invasiveplants #crops #weeds #forestry #rangelands
Proposals will soon open for symposia at the 79th Annual Meeting in Tucson, AZ — March 2–5, 2026.
💡 Topics of broad or local interest encouraged!
#WSWS2026 #weedscience #invasiveplants #crops #weeds #forestry #rangelands
October 23, 2025 at 8:50 PM
🌵 Calling all #WSWS members!
Proposals will soon open for symposia at the 79th Annual Meeting in Tucson, AZ — March 2–5, 2026.
💡 Topics of broad or local interest encouraged!
#WSWS2026 #weedscience #invasiveplants #crops #weeds #forestry #rangelands
Proposals will soon open for symposia at the 79th Annual Meeting in Tucson, AZ — March 2–5, 2026.
💡 Topics of broad or local interest encouraged!
#WSWS2026 #weedscience #invasiveplants #crops #weeds #forestry #rangelands
#WeedAlert from #WSWS: Kochia is spreading north in the Canadian Prairies, & #herbicideresistance is concerning. Farmers report $$$, multiple sprays, & loss of yield.
https://www.cbc.ca/news/canada/saskatoon/kochia-weeds-prairies-agrifoodcanada-food-production-9.6933912
#weedscience
https://www.cbc.ca/news/canada/saskatoon/kochia-weeds-prairies-agrifoodcanada-food-production-9.6933912
#weedscience
Prairie farmer concerned about food production as invasive weed spreads | CBC Climate Change News
Harvest is close to done on the Prairies, but some farmers' crops are being overrun by kochia, an invasive weed. They hope scientists can stop the spread before food production is affected forever.
www.cbc.ca
October 20, 2025 at 2:55 PM
#WeedAlert from #WSWS: Kochia is spreading north in the Canadian Prairies, & #herbicideresistance is concerning. Farmers report $$$, multiple sprays, & loss of yield.
https://www.cbc.ca/news/canada/saskatoon/kochia-weeds-prairies-agrifoodcanada-food-production-9.6933912
#weedscience
https://www.cbc.ca/news/canada/saskatoon/kochia-weeds-prairies-agrifoodcanada-food-production-9.6933912
#weedscience
Jefferson County, CO, will soon open applications for funding for #weedmanagement and targeting #invasiveplants.
https://www.jeffco.us/4595/Noxious-Weed-Eradication---Grant-and-Cos
#WSWS #weedscience
https://www.jeffco.us/4595/Noxious-Weed-Eradication---Grant-and-Cos
#WSWS #weedscience
October 18, 2025 at 3:45 PM
Jefferson County, CO, will soon open applications for funding for #weedmanagement and targeting #invasiveplants.
https://www.jeffco.us/4595/Noxious-Weed-Eradication---Grant-and-Cos
#WSWS #weedscience
https://www.jeffco.us/4595/Noxious-Weed-Eradication---Grant-and-Cos
#WSWS #weedscience
🌱 Exciting news from #WSWS! The Diversity & Inclusion Committee launched a new Student #Scholarship supporting underrepresented students in #weedscience. 🎓
💚 Donations fund student research, travel & participation in WSWS programs.
👉 https://wsweedscience.org/diversity-and-inclusion/
#DEI
💚 Donations fund student research, travel & participation in WSWS programs.
👉 https://wsweedscience.org/diversity-and-inclusion/
#DEI
October 15, 2025 at 7:35 PM
🌱 Exciting news from #WSWS! The Diversity & Inclusion Committee launched a new Student #Scholarship supporting underrepresented students in #weedscience. 🎓
💚 Donations fund student research, travel & participation in WSWS programs.
👉 https://wsweedscience.org/diversity-and-inclusion/
#DEI
💚 Donations fund student research, travel & participation in WSWS programs.
👉 https://wsweedscience.org/diversity-and-inclusion/
#DEI
🧪 UC Extension warns herbicide-resistant #weeds are rising in #treenut systems, especially w/ heavy post-emergence use. Rotate modes of action, use mixtures, & choose wisely!
https://www.aginfo.net/report/63764/California-Tree-Nut-Report/Be-Mindful-of-Herbicide-Resistant-Weeds
#WSWS #weedscience
https://www.aginfo.net/report/63764/California-Tree-Nut-Report/Be-Mindful-of-Herbicide-Resistant-Weeds
#WSWS #weedscience
AG INFORMATION NETWORK OF THE WEST
Farm of the FutureAmerican entrepreneurs such as Hello Tractor’s Jehiel Oliver are finding opportunities in developing countries.
aginfo.net
October 15, 2025 at 2:13 PM
🧪 UC Extension warns herbicide-resistant #weeds are rising in #treenut systems, especially w/ heavy post-emergence use. Rotate modes of action, use mixtures, & choose wisely!
https://www.aginfo.net/report/63764/California-Tree-Nut-Report/Be-Mindful-of-Herbicide-Resistant-Weeds
#WSWS #weedscience
https://www.aginfo.net/report/63764/California-Tree-Nut-Report/Be-Mindful-of-Herbicide-Resistant-Weeds
#WSWS #weedscience
📅 As holiday calendars fill up, don’t forget to save the date for the 2026 WSWS Annual Meeting in Tucson, Arizona! 🌵
We can’t wait to see everyone in the desert sun! ☀️
#WSWS #WSWS2026 #savethedate #weedscience #invasiveplants
We can’t wait to see everyone in the desert sun! ☀️
#WSWS #WSWS2026 #savethedate #weedscience #invasiveplants
October 10, 2025 at 1:00 AM
📅 As holiday calendars fill up, don’t forget to save the date for the 2026 WSWS Annual Meeting in Tucson, Arizona! 🌵
We can’t wait to see everyone in the desert sun! ☀️
#WSWS #WSWS2026 #savethedate #weedscience #invasiveplants
We can’t wait to see everyone in the desert sun! ☀️
#WSWS #WSWS2026 #savethedate #weedscience #invasiveplants
Spooky Plant Alert! 👻
Broomrapes are highly parasitic #weeds that threaten #agriculture, food crops, and more!
https://ow.ly/xtn650X8TUI
#WSWS #weedscience #spookyplants #weirdweeds
Broomrapes are highly parasitic #weeds that threaten #agriculture, food crops, and more!
https://ow.ly/xtn650X8TUI
#WSWS #weedscience #spookyplants #weirdweeds
October 9, 2025 at 2:15 AM
Spooky Plant Alert! 👻
Broomrapes are highly parasitic #weeds that threaten #agriculture, food crops, and more!
https://ow.ly/xtn650X8TUI
#WSWS #weedscience #spookyplants #weirdweeds
Broomrapes are highly parasitic #weeds that threaten #agriculture, food crops, and more!
https://ow.ly/xtn650X8TUI
#WSWS #weedscience #spookyplants #weirdweeds
👻🌿 Creepy plant: Elephant’s Head!
This eerie wildflower looks like tiny pink elephant heads — but don’t be fooled by its cute face. It’s a native parasitic plant, latching onto the roots of nearby grasses & sedges to steal nutrients. 😱
#WSWS #spookyplants #weirdweeds #botany
This eerie wildflower looks like tiny pink elephant heads — but don’t be fooled by its cute face. It’s a native parasitic plant, latching onto the roots of nearby grasses & sedges to steal nutrients. 😱
#WSWS #spookyplants #weirdweeds #botany
October 5, 2025 at 5:05 PM
👻🌿 Creepy plant: Elephant’s Head!
This eerie wildflower looks like tiny pink elephant heads — but don’t be fooled by its cute face. It’s a native parasitic plant, latching onto the roots of nearby grasses & sedges to steal nutrients. 😱
#WSWS #spookyplants #weirdweeds #botany
This eerie wildflower looks like tiny pink elephant heads — but don’t be fooled by its cute face. It’s a native parasitic plant, latching onto the roots of nearby grasses & sedges to steal nutrients. 😱
#WSWS #spookyplants #weirdweeds #botany
⏰***LAST CHANCE****⏰ - Applications for the Elena Sanchez Memorial #WSWS Outstanding Student Scholarship Program are due TOMORROW, OCTOBER 3.
Please visit wsweedscience.org/wp-content/u... to learn more
#weedscience #gradstudents #scholarship #invasiveplants
Please visit wsweedscience.org/wp-content/u... to learn more
#weedscience #gradstudents #scholarship #invasiveplants
October 2, 2025 at 2:44 PM
⏰***LAST CHANCE****⏰ - Applications for the Elena Sanchez Memorial #WSWS Outstanding Student Scholarship Program are due TOMORROW, OCTOBER 3.
Please visit wsweedscience.org/wp-content/u... to learn more
#weedscience #gradstudents #scholarship #invasiveplants
Please visit wsweedscience.org/wp-content/u... to learn more
#weedscience #gradstudents #scholarship #invasiveplants
📣 #WSWS Summer 2025 Newsletter!
~Nominations open for Fellows & Achievement Awards (due Dec 1).
~Student scholarships ($1K each) due Oct 3 + travel grant available.
~Annual Mtg: Mar 2–5, 2026 in Tucson....and MORE!
~Nominations open for Fellows & Achievement Awards (due Dec 1).
~Student scholarships ($1K each) due Oct 3 + travel grant available.
~Annual Mtg: Mar 2–5, 2026 in Tucson....and MORE!
September 21, 2025 at 5:32 PM
📣 #WSWS Summer 2025 Newsletter!
~Nominations open for Fellows & Achievement Awards (due Dec 1).
~Student scholarships ($1K each) due Oct 3 + travel grant available.
~Annual Mtg: Mar 2–5, 2026 in Tucson....and MORE!
~Nominations open for Fellows & Achievement Awards (due Dec 1).
~Student scholarships ($1K each) due Oct 3 + travel grant available.
~Annual Mtg: Mar 2–5, 2026 in Tucson....and MORE!
📣Calling all #weedscientists who work in #aquaticplantmanagement! 🌱🌊
The Western Aquatic Plant Management Society Annual Meeting is in Coeur d’Alene, ID, March 9–11, 2026.
👉 Info here: wapms.org/2026-Annual-...
#WSWS #weedscience #aquaticweeds #invasiveplants #WAPMS
The Western Aquatic Plant Management Society Annual Meeting is in Coeur d’Alene, ID, March 9–11, 2026.
👉 Info here: wapms.org/2026-Annual-...
#WSWS #weedscience #aquaticweeds #invasiveplants #WAPMS
September 18, 2025 at 9:23 PM
📣Calling all #weedscientists who work in #aquaticplantmanagement! 🌱🌊
The Western Aquatic Plant Management Society Annual Meeting is in Coeur d’Alene, ID, March 9–11, 2026.
👉 Info here: wapms.org/2026-Annual-...
#WSWS #weedscience #aquaticweeds #invasiveplants #WAPMS
The Western Aquatic Plant Management Society Annual Meeting is in Coeur d’Alene, ID, March 9–11, 2026.
👉 Info here: wapms.org/2026-Annual-...
#WSWS #weedscience #aquaticweeds #invasiveplants #WAPMS
Reposted by Western Society of Weed Science
The National Drought Mitigation Center produces weekly composite drought indices (CDIs), including a short, mid, long and flash drought indicator. The CDIs are calculated using a combination of inputs, depending upon the time frame.
#drought #NDMC 🧪
ndmcblends.unl.edu
#drought #NDMC 🧪
ndmcblends.unl.edu
September 9, 2025 at 7:45 PM
The National Drought Mitigation Center produces weekly composite drought indices (CDIs), including a short, mid, long and flash drought indicator. The CDIs are calculated using a combination of inputs, depending upon the time frame.
#drought #NDMC 🧪
ndmcblends.unl.edu
#drought #NDMC 🧪
ndmcblends.unl.edu
🌱✈️ Invasive weeds hitchhike on wind, pets, clothes, luggage, and even global transport. Once they arrive, eradication is tough- management often becomes a lifelong process.
extension.oregonstate.edu/news/invasiv...
#WSWS #weedscience #weedmanagement #extension #invasiveplants
extension.oregonstate.edu/news/invasiv...
#WSWS #weedscience #weedmanagement #extension #invasiveplants
Invasive weeds can hitchhike into your yard — here’s how to fight back
Keeping weeds at bay can be frustrating, but it can be done.
extension.oregonstate.edu
September 7, 2025 at 5:28 PM
🌱✈️ Invasive weeds hitchhike on wind, pets, clothes, luggage, and even global transport. Once they arrive, eradication is tough- management often becomes a lifelong process.
extension.oregonstate.edu/news/invasiv...
#WSWS #weedscience #weedmanagement #extension #invasiveplants
extension.oregonstate.edu/news/invasiv...
#WSWS #weedscience #weedmanagement #extension #invasiveplants
Reposted by Western Society of Weed Science
Assistant Professor, Freshwater Ecologist, Faculty of Science, University of Calgary in Canada #academicjob careers.ucalgary.ca/jobs/1652277...
Assistant Professor, Freshwater Ecologist, Faculty of Science, University of Calgary in
Calgary,
...
Assistant Professor, Freshwater Ecologist, Faculty of Science, University of Calgary in
Calgary,
...
careers.ucalgary.ca
August 8, 2025 at 9:16 PM
Assistant Professor, Freshwater Ecologist, Faculty of Science, University of Calgary in Canada #academicjob careers.ucalgary.ca/jobs/1652277...