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| Web URL(s): | http://www.swss.ws/wp-content/uploads/2021_SWSS_Proceedings_Final.pdf#page=104
Last checked: 06/24/2022
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary Only |
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| Author(s): | Taylor, J. W.;
McCarty, L. B. |
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| Author Affiliation: | Clemson University, Clemson, SC |
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| Title: | Exploring natural alternatives for annual bluegrass control |
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| Section: | 2021 Meeting abstract
Other records with the "2021 Meeting abstract" Section
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| Meeting Info.: | January 25-26, 2021 |
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| Source: | Proceedings of the Southern Weed Science Society 74th Annual Meeting. Vol. 74, 2021, p. 5. |
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| Publishing Information: | Biloxi, MS: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Recently, with the development of widespread resistance of annual bluegrass (aka, Poa) to a number of herbicidal modes-of-action and concerns about using certain synthetic products, demand for "natural" or "organic" control of this and other weeds has skyrocketed. Most of these products are either salt- or acid-based. Salts typically cause severe desiccation to treated plants while acid-based products typically disrupt/degrade cuticles, thus, allowing cellular content leakage. With this in mind, a field study was conducted at Clemson University to identify and evaluate the effectiveness to control annual bluegrass and turfgrass tolerance with nontraditional products.Treatments were applied to a s TifEagle bermudagrass (Cynodon dactylon x C. traansvalensis) putting green due to its sufficient natural infestation of annual bluegrass. This study included 12 different treatments consisting of common household compounds. Products and rates screened included: baking soda + Dawn dishwashing soap (269 kg/ha), white vinegar + lemon juice + Dawn (234 L/ha), Suppress herbicide (35 L/ha), superphosphate + Dawn (122 kg/ha), clove oil + Dawn (28 L/ha), Weed Zap (28 L/ha), Avenger Weed Killer (83 L/ha), Fiesta Turf Weed Killer (22 L/ha), Ecologic Weed & Grass Killer (28 L/ha), Alcohol + Dawn (31 L/ha), and Pool Time Algicide (0.5% v/v). All products were applied with a CO2-pressurized backpack sprayer at 561 L/ha (60 GPA).Treatments were applied when the majority of consumer calls occur, in late winter during spring "greenup" as this is when the weed is most noticeably, as it starts to flower. Spring green-up is also the most sensitive time bermudagrass experiences during the year to applied products. Treatments were assessed visually for annual bluegrass control (%) and turf phytotoxicity (1 to 9 where 9=best turf). Annual bluegrass control from treatments was mostly non-selective and visually similar to the burndown observed following use of a non-selective herbicide such as glyphosate. However, few treatments provided significant control and results were short-lived as annual bluegrass recovery typically began approximately two weeks after treatment applications. None of the products tested appear to be nearly as effective as or suitable alternatives for synthetic herbicides used for control. These products also behaved as non-selective with some causing turf phytotoxicity that lasted one to two weeks after application. Therefore, applying such products may potentially damage (albeit, temporarily) the desired turf in treated areas as well.Additional research is needed to further evaluate these products for turf safety. Future research may also investigate application timing and rate for optimal control and possibly evaluating additional products as they become available." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Related article appears in Golf Course Management, 89(12) December 2021, p. 66-69, R=316494. R=316494 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Taylor, J. W., and L. B. McCarty. 2021. Exploring natural alternatives for annual bluegrass control. South. Weed Sci. Soc. Proc. 74:p. 5. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/2021_SWSS_Proceedings_Final.pdf#page=104
Last checked: 06/24/2022
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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