Full TGIF Record # 160554
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DOI:10.1002/ps.1819
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1002/ps.1819/full
    Last checked: 01/31/2014
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http://onlinelibrary.wiley.com/doi/10.1002/ps.1819/pdf
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Publication Type:
i
Refereed
Author(s):Tind, Tina; Mathiesen, Tenna J.; Jensen, Jens E.; Ritz, Christian; Streibig, Jens C.
Author Affiliation:Tind and Jensen: Danish Agricultural Advisory Service, National Centre, ^DoArhus N; Mathiesen, Ritz and Streibig: University of Copenhagen, Frederiksberg C, Denmark
Title:Using a selectivity index to evaluate logarithmic spraying in grass seed crops
Section:Research article
Other records with the "Research article" Section
Source:Pest Management Science. Vol. 65, No. 11, November 2009, p. 1257-1262.
Publishing Information:Barking, Essex: Elsevier Science Publishers LTD
# of Pages:6
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1002/ps.1819/abstract
    Last checked: 01/31/2014
    Notes: Abstract only
Keywords:TIC Keywords: Application methods; Application rates; Evaluative methods; Herbicide evaluation; Poa pratensis; Seed crops; Selective herbicides; Spraying; Weed control
Abstract/Contents:"Background: Grass seed crops are minor crops that cannot support the development of selective herbicides for grass weed control in grass seed crops. An option is to screen for selective herbicides with the use of logarithmic spraying technology. The aim of this paper is to assess selectivity of various herbicides in grass seed crops by using dose-response curves. Results: Six grass species were subjected to logarithmic spraying with 11 herbicides and with Poa pratensis L. as a weed. The ratio between the doses that caused 10% of damage to the crop and 90% of damage to theweed was used as a selectivity index. Compounds with selectivity indices above 2 can be safely used in a crop. The two ACCase herbicides clodinafop-propargyl and fenoxaprop-P-ethyl and a mixture of the twoALS herbicides mesosulfuron and iodosulfuron could be used selectively to control P. pratensis in Festuca rubra L., although the selectivity indices in no instances were greater than the desired 2.0. Conclusion: The logarithmic sprayer can be a rapid screening tool for identifying compounds with favourable selectivity indices. Good experimental design is needed to alleviate rates being systematically distributed and confounded with growth rate and soil fertility gradients."
Language:English
References:17
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tind, T., T. J. Mathiesen, J. E. Jensen, C. Ritz, and J. C. Streibig. 2009. Using a selectivity index to evaluate logarithmic spraying in grass seed crops. Pest Manage. Sci. 65(11):p. 1257-1262.
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DOI: 10.1002/ps.1819
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1002/ps.1819/full
    Last checked: 01/31/2014
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1002/ps.1819/pdf
    Last checked: 01/31/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b2219665
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