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| Web URL(s): | http://www.jstor.org/stable/4041793
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http://www.jstor.org/stable/pdfplus/4041793.pdf
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| Publication Type:
| Refereed |
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| Author(s): | Thompson, Lafayette Jr.;
Houghton, J. M.;
Slife, F. W.;
Butler, H. S. |
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| Author Affiliation: | Thompson: Assistant Professor, Dep. of Agron., Univ. of Kentucky, Lexington, Kentucky; Houghton and Slife: Research Assistant, Professor, and Technical Assistant, Dep. of Agron., Univ. of Illinois at Urbana-Champaign, Urbana, Illinois |
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| Title: | Metabolism of atrazine by fall panicum and large crabgrass |
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| Source: | Weed Science. Vol. 19, No. 4, July 1971, p. 409-412. |
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| Publishing Information: | Champaign, Illinois: Weed Science Society of America |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Atrazine; Avena sativa; Digitaria sanguinalis; Herbicide metabolism; Herbicide resistance; Panicum dichotomiflorum; Setaria faberii; Zea mays
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| Abstract/Contents: | "Compared to corn (Zea mays L.) (resistant), oats (Avena sativa L.) (susceptible), and giant foxtail (Setaria faberii Herrm.) (susceptible), fall panicum (Panicum dichotomiflorum Michx.) and large crabgrass (Digitaria sanguinalis (L.) Scop.) metabolized 2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine (atrazine) at an intermediate rate. The order of tolerance of these five species (corn > fall panicum and large crabgrass > giant foxtail > oats) is identical to the order of their ability to metabolize atrazine. In 6 hr, corn, fall panicum, large crabgrass, giant foxtail, and oats metabolized 96, 44, 50, 17, and 2%, respectively, of the 14C-atrazine absorbed from a 10 ppm solution and translocated to the foliage, leaving concentrations of 2.2, 34.8, 30.1, 59.8, and 66.3 mμ moles, respectively, of atrazine per g of fresh weight of shoots. Hydroxyatrazine [2-hydroxy-4-(ethylamino)-6-(isopropylamino)-s-triazine] was found in the shoots of corn and giant foxtail. Corn shoots also contained a more hydrophilic metabolite, presumably a peptide conjugate. Hydrophilic metabolites found in the shoots of giant foxtail, fall panicum, and large crabgrass were chromatographically identical to the hydrophilic metabolite found in corn." |
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| Language: | English |
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| References: | 21 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Thompson, L. Jr., J. M. Houghton, F. W. Slife, and H. S. Butler. 1971. Metabolism of atrazine by fall panicum and large crabgrass. Weed Sci. 19(4):p. 409-412. |
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| Web URL(s):
http://www.jstor.org/stable/4041793
Last checked: 06/18/2014
Access conditions: Item is within a limited-access website
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Last checked: 06/18/2014
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Access conditions: Item is within a limited-access website |
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MSU catalog number: b2203399a |
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