Full TGIF Record # 6877
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Publication Type:
i
Refereed
Author(s):Boldt, P. F.; Putnam, A. R.
Author Affiliation:Boldt: Grad. Res. Asst.; Putnam: Prof., Pestic. Res. Ctr., Dep. Hortic., Michigan State Univ., East Lansing, MI
Title:Retention, absorption, translocation, and volatility
Article Series:Selectivity mechanisms for foliar applications of diclofop-methyl, part 1
Source:Weed Science. Vol. 28, No. 5, September 1980, p. 474-477.
Publishing Information:Champaign, IL: Weed Science Society of America
# of Pages:4
Related Web URL:http://www.jstor.org/stable/info/4043263
    Last checked: 11/18/2013
    Notes: Abstract only
Keywords:TIC Keywords: Diclofop; Uptake; Cenchrus longispinus; Penetration; Panicum miliaceum; Absorption; Translocation; Echinochloa crusgalli; Diclofop methyl
Abstract/Contents:"Retention, absorption, translocation, and volatility of foliarly applied diclofop-methyl {methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoate} were compared in barnyardgrass [Echinochloa crus-galli (L.) Beauv.], a susceptible grass, proso millet (Panicum miliaceum L.), a moderately susceptible grass; longspine sandbur [Cenchrus longispinus (Hack.) Fern.], a tolerant grass; and soybean [Glycine max (L.) Merr. 'Hark'] and cucumber (Cucumis sativus L. 'Green Star'), both tolerant broadleaf plants. On a μg/plant basis, the order of diclofop-methyl spray retention was cucumber > soybean > proso millet > longspine sandbur=barnyardgrass. On a μg/mg dry weight basis, proso millet retained 3 to 10 times more diclofop-methyl than all other species. One day after treatment (DAT), absorption of 14C-dichlofop-methyl was 14 to 18% less in lopngspine sandbur than in the other species, 3 DAT absorption in cucumber was 8 to 14 % greater than in the other species, and 5 DAT absorption in soybean was 3 to 12% less than in other species. Translocation of 14C-diclofop-methyl did not differ among species, with 98% of the applied radioactivity located in the treated leaf. An average of 11% of radioactivity applied to the surface of intact, living plants and excised, dried leaves of cucumber, soybean, and barnyardgrass, as well as glass cover slips, was lost by evaporation. None of the parameters measured showed differences large enough to be implicated as primary selectivity mechanisms."
Language:English
References:15
See Also:See also part 2 "Metabolism" Weed Science, 29(2) March 1981, p. 237-241, R=6878. R=6878
Note:Equations
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Boldt, P. F., and A. R. Putnam. 1980. Retention, absorption, translocation, and volatility. Weed Sci. 28(5):p. 474-477.
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http://www.jstor.org/stable/4043263
    Last checked: 11/18/2013
    Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/4043263.pdf
    Last checked: 11/18/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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