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Publication Type:
i
Refereed
Author(s):Boldt, P. F.; Putnam, A. R.
Author Affiliation:Noldt: Asst. Prof., Dep. Hortic. Sci. and Landscape Archit., Univ. Minnesota, St. Paul, MN; Putnam: Prof., Pestic. Res. Ctr., Dep. Hortic., Michigan State Univ., East Lansing, MI
Title:Metabolism
Article Series:Selectivity mechanisms for foliar applications of diclofop-methyl, part 2
Source:Weed Science. Vol. 29, No. 2, March 1981, p. 237-241.
Publishing Information:Champaign, IL: Weed Science Society of America
# of Pages:5
Related Web URL:http://www.jstor.org/stable/info/4043310
    Last checked: 11/18/2013
    Notes: Abstract only
Keywords:TIC Keywords: Diclofop methyl; Metabolism; Echinochloa crusgalli; Panicum miliaceum; Cenchrus longispinus; Poa annua; Elymus repens
Abstract/Contents:"The fate of foliarly applied 14C diclofop-methyl {methyl 2-[4-(2,3-dichlorophenoxy)phenoxy]propanoate} was determined in intact plants of barnyardgrass [Echinochloa crus-galli (L.) Beauv.], a susceptible (S) grass; proso millet (Panicum miliaceum L.) , a moderately susceptible (MS) grass; longspine sandbur [Cenchrus longispinus (Hack.) Fern.], a tolerant (T) grass; soybean [Glycine max (L.) Merr. 'Hark'], and cucumber (Cucumis sativus L. 'Green Star'), both T broadleaf plants, 1, 3, and 5 days after treatment (DAT). Diclofop-methyl accounted for 94% of the radioactivity washed from the leaf surfaces of all species. Plant extracts contained diclofop-methyl, diclofop, and water-soluble conjugates. Barnyardgrass (S), proso millet (MS), and soybean (T) had 75, 68, and 66% of the extracted radioactivity as diclofop and diclofop-methyl. Longspine sandbur (T) and cucumber(T) had 71 and 84% of the extracted radioactivity as water-soluble conjugates. Acid hydrolysis of the water-soluble conjugates yielded 84 and 71% diclofop in barnyardgrass (S) and proso millet (MS). Cucumber (T), soybean (T), and longspine sandbur (T) had 43, 23, and 25% ring-OH diclofop. Alkaline hydrolysis of the non-extracted plant residue yielded diclofop as the major component in all species."
Language:English
References:15
See Also:See also part 1 "Retention, absorption, translocation, and volatility" Weed Science, 28(5) September 1980, p. 474-477, R=6877. R=6877
See Also:Other items relating to: Foliar Feeding & Uptake
Note:Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Boldt, P. F., and A. R. Putnam. 1981. Metabolism. Weed Sci. 29(2):p. 237-241.
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http://www.jstor.org/stable/4043310
    Last checked: 11/18/2013
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http://www.jstor.org/stable/pdfplus/4043310.pdf
    Last checked: 11/18/2013
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    Access conditions: Item is within a limited-access website
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