University of Kentucky Extension Weed Scientist
Princeton, KY
Joined April 2018
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2026 Kentucky Crop Health Conference helps farmers address pest challenges in the new year news.mgcafe.uky.edu/article/…
Travis Legleiter retweeted
Here’s one reason #waterhemp keeps winning:
📸 Drown-out spot in 2024 (left): a few weeds went to seed.
📸 Same spot in 2025 (right): now a heavy waterhemp patch.
In another year, waterhemp will likely take over the entire field and continue to spread to others via harvest, tillage, and planting equipment.
This was preventable. Small effort on these spots in 2024, big ROI in 2025 and beyond: No seed, no weed.
The same applies to infestations along field margins.
ALT Drown-out spot in 2024 (left): a few weeds went to seed.
ALT Same spot in 2025 (right): heavy waterhemp patch now.
Travis Legleiter retweeted
The next student spotlight is @MarceloZimmer3. He's from southern Brazil & is wrapping up his PhD under @BillJohnson53. He's researched herb. antagonism & using See & Spray to help resolve it. After graduation, he's joining the U. of Kentucky as an Ext. Weed Scientist. #PUweeds – at West Lafayette, IN
Throughout the week, we're going to do a spotlight on each of our Purdue Weed Science graduate students. So follow throughout to see where each of our team members comes from, what they're working on, and what they hope to do in the future! #PUweeds @PurdueAg @PurdueExtension
Travis Legleiter retweeted
We had a busy week highlighted by finishing planting and starting some on farm trials.
One of the students put together this short video of some of the "behind the scenes" to capture some of what we didn't share.
Have a great weekend & look for a new host next week!
Travis Legleiter retweeted
Happy Monday everyone! This week, the Purdue Weed Science team is hosting the X account, and we're excited to highlight some of the happenings in Indiana this summer. #PUweeds @PurdueAg @PurdueExtension
Travis Legleiter retweeted
Good morning from the Flints Hills of Kansas! Corn and soybeans are the primary crops in the area, and Palmer amaranth is our worst weed
Travis Legleiter retweeted
Herbicides and Adjuvants. Find out when and why adjuvants are needed at cropprotectionnetwork.org/pu…
From @TravisLegleiter @PurdueAg @OhioStWeedSci @NDSUWeeds @lancasarah @WiscWeeds @mjanders1 @oSu_WeedScience @JasonABond @VTAgWeeds @ClemsonWeedSci @sanolte @D_Russell2 @UMNweeds @Connorwebster_ @WorldofWeeds
@GetRidOfWeeds @ASA_CSSA_SSSA @NE_WeedSci #weeds #agtwitter @ShowMeWeeds @PSUCropWeeds @KStateWeedSci @LynnSosnoskie
ALT Water droplet alone and with a surfactant on a leaf. Image courtesy Bryan Young.
Travis Legleiter retweeted
Watch 40+ Crop Scout School episodes at cropprotectionnetwork.org/cr….
Dust off your skills for topics like crop growth, disease, weeds, insect pests, disorders, cover crops and tons more. From Extension.
@MartinChilvers1 @thrashnbugs @NDSUExtension @badgerbean @cropdoc08 @PurdueCorn @cropstressOSU @StepUpSoy @W_Webster74 @LSUNematology @ScottGraham72 @PurdueSoybean @TravisLegleiter @justinmcmechan @ashleyn_dean @lancasarah @dsmuelle #plant25 #agx #farming #scouting
ALT Multiple screenshots of crop scout school video thumbnails arranged in a quilt-like pattern.
Travis Legleiter retweeted
Is Reflex helping Diuron for ryegrass / grass control under legumes (dicot control be obviously 👌).
Here Triticale, ARG and Tedera (new Palma variety) and from left to right UTC, Reflex solo (500ml), Diuron solo (550g), Reflex + Diuron tank mixed (cleanest Tedera stand).
Travis Legleiter retweeted
When cover crops become weeds. Watch at youtube.com/watch?v=wpygPkdX….
@OSU_HortCropSci @oSu_WeedScience @OSU_Agronomy @CFAES_OSU @OhioStatePA @OhioCornWheat @Ohiosoycouncil @OhioSoybean @NCWeedScience
Travis Legleiter retweeted
Waterhemp defeats kochia to claim the 2025 NCWSS Weed Tournament Championship! 🏆🎉 Thank you to all those that voted and made this years tournament a success! Congratulations to waterhemp! @WorldofWeeds @WSSA_GSO @NE_WeedSci @WSWeedSci @SouthWeedSciSoc @CropNetwork
Travis Legleiter retweeted
Vote for the weed that you think should be the 2025 NCWSS Weed Tournament Champion! Poll will be open throughout the weekend. Make sure share with all your friends and colleagues! @WorldofWeeds @WSSA_GSO @NE_WeedSci @WSWeedSci @SouthWeedSciSoc @CropNetwork
57%1 - common waterhemp
43%7 - kochia
44 votes • Final results Travis Legleiter retweeted
Get ready for crop pests with Crop Scouting Basics for Corn and Soybean at cropprotectionnetwork.org/we…
From Extension. @badgerbean @ScottGraham72 @TravisLegleiter @ppp_trey @alabamaED @dsmuelle +others. #plant25 #agx #agtwitter #scout @ISUExtension @AuburnAg @UKAgriculture @ccecornell
ALT Various icons of crop scouting equipment.
Travis Legleiter retweeted
Vote for the WEEDY FOUR species that you want to advance to the final of the 2025 NCWSS Weed Tournament. @WorldofWeeds @WSSA_GSO @NE_WeedSci @WSWeedSci @SouthWeedSciSoc @CropNetwork
38%6 - Italian ryegrass
62%7 - kochia
42 votes • Final results Travis Legleiter retweeted
Its the Bracket everyone has been waiting for! The 2025 NCWSS Weed Tournament has been set! Check it out!! The first round of matchups will begin on March 20th. Matchups will post as an X Poll & you get to vote to pick the winner! Rounds continue until a champion is crowned! @WorldofWeeds @WSSA_GSO
It's my favorite conference of the year. #KCHC2025 is off to a great start. Pest Management and Fast cars, what else could you ask for? @KYGrainCropsIPM @UKAgriculture @UKExtension
Travis Legleiter retweeted
Only a few herbicides are formulated with an adjuvant package that can optimize application in every scenario. Applicators often need additional adjuvants to optimize herbicide applications for the specific conditions.
Check out Adjuvants with Herbicides. When and Why They Are Needed at cropprotectionnetwork.org/pu…
From @TravisLegleiter @PUweeds @NDSUWeeds @lancasarah @WiscWeeds @mjanders1 @oSu_WeedScience @VTAgWeeds @JasonABond @UMNweeds @Connorwebster_ +others.
@WarAgainstWeeds @NCWeedScience
ALT Table 1 from the publication showing adjuvant rate unit conversions.
ALT Four plastic bottles filled with chemicals. These are results of adding a boron-containing adjuvant in two separate herbicides. Image courtesy Tommy Butts.
Travis Legleiter retweeted
Take Action’s Herbicide Classification chart is updated & ready for the 2025 season!
This valuable resource from @UnitedSoy lists the sites of action of the many commercially available herbicide products.
Download or order print versions here: iwilltakeaction.com/resource…
Travis Legleiter retweeted
The NCWSS Student Endowment auction is now online on BetterWorld! All proceeds go to support NCWSS student activities! Head to the link to take a look & revisit as more continues to get added. ncwss.betterworld.org/auctio…
Auction will run from Nov. 25 to Dec. 11 closing at 5 pm CST.
