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| Web URL(s): | http://www.newss.org/proceedings/proceedings_2006.pdf#page=25
Last checked: 07/22/2013
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): | Lycan, D. W.;
Hart, S. E. |
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| Author Affiliation: | Lycan: Syngenta Crop Protection, Visalia, California; Hart: The State University of New Jersey, New Brunswick, New Jersey |
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| Title: | Foliar and root absorption and translocation of bispyribac-sodium in four cool-season turfgrass species |
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| Section: | Research posters
Other records with the "Research posters" Section
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| Meeting Info.: | Providence, RI: January 3-6, 2006 |
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| Source: | Proceedings: NortheasternWeed Science Society. Vol. 60, 2006, p. 20. |
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| Publishing Information: | Ithaca, NY: Northeastern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Poa annua; Poa pratensis; Nutrient absorption; Absorption rate; Foliar uptake; Comparisons; Herbicide evaluation; Translocation; Bispyribac-sodium; Poa trivialis
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| Abstract/Contents: | "Greenhouse studies were conducted to investigate the response of creeping bentgrass, annual bluegrass, and Kentucky bluegrass to foliar, soil, or foliar plus soil applications of bispyribac-sodium. Injury and dry weight reduction from foliar plus soil applications of bispyribac were equal to soil applications but less than foliar applications in all species 28 dyas after treatment (DAT). Creeping bentgrass was injured less than annual or Kentucky bluegrass regardless of application placement. Foliar and root absorption and subsequent translocation of 14C-bispyribac-sodium in creeping bentgrass, annual bluegrass, Kentucky bluegrass, and roughstalk bluegrass were further evaluated. Foliar absorption of 14C-bispyribac into creeping bentgrass was less than that of annual bluegrass, Kentucky bluegrass, or roughstalk bluegrass at most harvest timings from 4 to 72 hours after treatment (HAT). Absorption at 24 HAT was 17, 29, 28, and 31%, respectively. Data pooled across harvest timings of 24, 72, and 168 HAT revealed all species retained 90 to 93% of foliar absorbed 14C-bispyribac in treated leaves. Annual and roughstalk bluegrass translocated greater levels of foliar-absorbed 14C to the crown and shoots compared to creeping bentgrass. In root absorption studies, both annual and roughstalk bluegrass accumulated approximately 47 to 74 % more 14C per dry weight of plant tissue than creeping bentgrass or Kentucky bluegrass, respectively, after 72 hours in nutrient solution containing 14C-bispyribac. Annual and roughstalk bluegrass translocated more root-absorbed 14C to shoots (77 and 80% of absorbed, respectively) than creeping bentgrass and Kentucky bluegrass (66% of absorbed for both species). These studies suggest that bispyribac is readily absorbed by roots and translocated to shoots and root-absorbed bispyribac may greatly influence its herbicidal activity within a plant. In addition, creeping bentgrass displayed lower levels of foliar and root absorption and subsequent translocation than annual and roughstalk bluegrass than may influence tolerance to bispyribac." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: Foliar Feeding & Uptake |
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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):
Lycan, D. W., and S. E. Hart. 2006. Foliar and root absorption and translocation of bispyribac-sodium in four cool-season turfgrass species. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 60:p. 20. |
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| Web URL(s):
http://www.newss.org/proceedings/proceedings_2006.pdf#page=25
Last checked: 07/22/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 610 .N62 v. 60 |
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