Full TGIF Record # 308761
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Web URL(s):http://www.wsweedscience.org/wp-content/uploads/WSWS_2019_Proceedings-Final-Version-2.pdf#page=15
    Last checked: 10/18/2019
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Clark, Shannon L.; Lunt, Stephen R.
Author Affiliation:Colorado State University, Fort Collins, CO
Title:Evaluating native perennial grass tolerance to indaziflam treatments
Section:Poster session: Undergraduate posters
Other records with the "Poster session: Undergraduate posters" Section
Meeting Info.:Denver, Colorado: March 11-14, 2019
Source:Western Society of Weed Science Annual Meeting 2019. Vol. 72, 2019, p. 3.
# of Pages:1
Publishing Information:Westminster, Colorado: Western Society of Weed Science
Keywords:TIC Keywords: Biomass; Herbicide resistance; Indaziflam; Invasive weeds; Native grasses; Perennial grasses; Seed production; Seed viability; Species evaluation; Weed control
Abstract/Contents:"Invasive winter annual grasses, such as Bromus tectorum (downy brome), currently occupy up to >22 million hectares in the western United States, with an estimated annual spread rate for Bromus tectorum of ~14%. The loss of ecological resilience, biodiversity, and deviation from historic fire regimes from these winter annual grasses have been well documented. Limited viable treatment options exist, but chemical control options with long-term residual soil activity has been stated as an important factor to native regeneration and recovery. Indaziflam, a new herbicide option for invasive winter annual grasses in non-grazed rangeland and natural areas, has been shown to provide long-term residual control of germinating cheatgrass while showing little to no effect on native perennial grass species production. Previous published research has shown no negative impacts from indaziflam treatments to desirable species abundance and biomass, although no published research has evaluated impacts to seed production and viability. A field trial was conducted at the Plants Material Center in Meeker, CO to assess tolerance of 14 desirable perennial grass species to the herbicide indaziflam. Herbicide applications of indaziflam (73 and 102 g·ai·ha1) were made to perennial grasses in August 2017. In August 2018 (1 YAT) vegetative biomass, seed production biomass, and seed viability data were collected to assess any herbicide impacts on the perennial grass species. There was no significant decrease in vegetative or seed production biomass across all 14 perennial grass species in plots treated with indaziflam at both rates compared to the control plots. This data provides critical tolerance information to aid land managers in understanding the effects of this new tool for invasive annual grass control on desirable perennial grasses."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Clark, S. L., and S. R. Lunt. 2019. Evaluating native perennial grass tolerance to indaziflam treatments. Proc. West. Soc. Weed Sci. 72:p. 3.
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    Last checked: 10/18/2019
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    Notes: Item is within a single large file
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