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Jim Brosnan, Ph.D. Profile
Jim Brosnan, Ph.D.

@UTTurfWeeds

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6K
Following
12K
Media
722
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Professor, Univ. of Tennessee (@UTturfgrass) Director, UT Weed Diagnostics Center (@WeedDiagnostics) #Turf #Grass #Weeds #Science #Golf #Lawn #Resistance

University of Tennessee
Joined November 2013
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@UTTurfWeeds
Jim Brosnan, Ph.D.
2 days
RT @USGAGrnSection: Goosegrass has been a challenge for many courses this year. We worked with @RUturfweeds @UTTurfWeeds and @VTTurfweeds t….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
6 days
RT @LowBudgetSupt: Good testament to a solid pre-emergent program. Left side was a native area that never received anything, right side on….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
25 days
RT @RUturfweeds: Installing bentgrass into this P. annua green to evaluate encroachment. One study has mat layer pH gradient from ~5.0 to 7….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
1 month
RT @bentgrassdoctor: 007XL seed production field in Oregon. If the weather holds favorable for another month expect a big seed crop .-- 6,0….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
1 month
Wouldn’t be summer without some fraise mowing. Many thanks to @GCunlimited & @MBSPGolfCourse for supporting our ongoing @USGAGrnSection research in this area. #TNturf #PoaAnnua @TennesseeGCSA @TnTurfAssoc @utextension
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@UTTurfWeeds
Jim Brosnan, Ph.D.
1 month
RT @USGAGrnSection: The golf boom since 2020 has been great for business, but increased cart traffic has led to more turf damage 👇.
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@UTTurfWeeds
Jim Brosnan, Ph.D.
1 month
RT @ClemsonTurfPath: Soil temperatures have risen steadily across SC in the past couple of weeks. If you are in an area prone to mini-ring….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
2 months
Great chat on #TNTurfTuesday with Chris Hurley from @GilletteStadium on field preparations for NFL, MLS, and non-sporting events. Give it a listen @utextension @TVSFMA @TnTurfAssoc @NE_STMA
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podcasts.apple.com
Podcast Episode · TN Turf Tuesdays · 06/04/2025 · 52m
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@UTTurfWeeds
Jim Brosnan, Ph.D.
2 months
The final installment of our #PoaAnnua video series is now available on the @UTturfgrass YouTube channel. This video focuses on strategies for #PoaAnnua control in ultradwarf greens. Check it out @utextension @TennesseeGCSA @TnTurfAssoc
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@UTTurfWeeds
Jim Brosnan, Ph.D.
2 months
The next installment of our #PoaAnnua video series is available on the @UTturfgrass YouTube channel. This episode highlights indaziflam mixture concepts for #PoaAnnua control on fairways. Check it out @utextension @TennesseeGCSA @TnTurfAssoc
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@UTTurfWeeds
Jim Brosnan, Ph.D.
2 months
RT @NematodeGuy: On the right with the yellow X is a plot that was treated with Syngenta's upcoming new turf nematicide Trifenti. 2.5 yea….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
3 months
The 3rd installment of our #PoaAnnua video series is live on the @UTturfgrass YouTube channel. This video highlights differences in efficacy between liquid & granular applications of Freehand. Check it out @TennesseeGCSA @TnTurfAssoc @TVSFMA @utextension
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@UTTurfWeeds
Jim Brosnan, Ph.D.
3 months
The 2nd installment of our #PoaAnnua video series focuses on season long programs for control in non-overseeded fairways with herbicides that inhibit root growth vs those with no root effects. #KIIG @utextension @TennesseeGCSA @TnTurfAssoc @TVSFMA
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@UTTurfWeeds
Jim Brosnan, Ph.D.
3 months
Big thanks to @BradJean16 w/ Crossroads Sod for joining us live and in-person on #TNTurfTuesday. We chatted about his journey in sod production, new grasses and more. Check it out @utextension @TnTurfAssoc @TennesseeGCSA @TVSFMA
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podcasts.apple.com
Podcast Episode · TN Turf Tuesdays · 05/07/2025 · 58m
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@UTTurfWeeds
Jim Brosnan, Ph.D.
3 months
The first installment of our new #PoaAnnua video series is live on the @UTturfgrass YouTube channel. This video focuses on treatments applied this season for control in overseeded ryegrass. Check it out @utextension @TennesseeGCSA @TnTurfAssoc @TVSFMA
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@UTTurfWeeds
Jim Brosnan, Ph.D.
3 months
RT @GCSAA: Happy #NationalGolfDay! Did you know?: 75% of #golf courses are open to the public — and they’re working harder than ever to str….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
3 months
RT @GCSAA: Golf is welcoming new faces! 3.7 million juniors played in 2024 — and for the 5th straight year, over 3 million beginners picked….
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@UTTurfWeeds
Jim Brosnan, Ph.D.
3 months
RT @GCSAA: Golf drives philanthropy like no other sport, generating $4.6 billion for charity annually. From local fundraisers to major tour….
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