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Authors NIMBAL, CI; WILLS, GD; DUKE, SO; SHAW, DR
Author Full Name NIMBAL, CI; WILLS, GD; DUKE, SO; SHAW, DR
Title TRANSLOCATION, AND METABOLISM OF C-14 MSMA IN ORGANIC ARSENICAL-RESISTANT AND ARSENICAL-SUSCEPTIBLE MISSISSIPPI BIOTYPES OF COMMON COCKLEBUR (XANTHIUM-STRUMARIUM L)
Source WEED SCIENCE
Language English
Document Type Article
Author Keywords MSMA; MONOSODIUM SALT OF METHYLARSONIC ACID; COMMON COCKLEBUR; XANTHIUM STRUMARIUM L. NUMBER-3 XANST.; ABSORPTION; DEGRADATION; MECHANISM OF RESISTANCE; XANST
Abstract The uptake, translocation, and metabolism of C-14-MSMA in organic arsenical-resistant (R) and -susceptible (S) Mississippi biotypes of common cocklebur were investigated, The two biotypes did not differ significantly with respect to either uptake, total translocation, or translocation pattern of C-14-MSMA plus its radiolabeled metabolites regardless of whether plants were pre-treated with 1.12 kg al ha(-1) of unlabeled MSMA or treated only with radiolabeled material, Absorption of C-14-MSMA was greater in unlabeled MSMA-pretreated plants than untreated plants, whereas the percent of total absorbed C-14-MSMA that was translocated out of the C-14-MSMA-treated leaf was almost the same in MSMA-pretreated and untreated plants, Qualitative detection of C-14-MSMA distribution by autoradiographs confirmed quantitative results obtained with radioassays, Herbicide metabolism in the C-14-treated leaf showed that MSMA was not readily broken down in both biotypes and the extractable C-14 was the same, Uptake, translocation, and metabolic degradation were not involved in the mechanism of resistance of the resistant-Mississippi biotype common cocklebur to MSMA.
Author Address USDA ARS,SO WEED SCI LAB,STONEVILLE,MS 38776; MISSISSIPPI STATE UNIV,DELTA BRANCH EXP STN,MISSISSIPPI STATE,MS 39762; MISSISSIPPI STATE UNIV,DEPT PLANT & SOIL SCI,MISSISSIPPI STATE,MS 39762
Times Cited 7
Total Times Cited Count (WoS, BCI, and CSCD) 7
Publisher WEED SCI SOC AMER
Publisher City CHAMPAIGN
Publisher Address 309 W CLARK ST, CHAMPAIGN, IL 61820
ISSN 0043-1745
29-Character Source Abbreviation WEED SCI
ISO Source Abbreviation Weed Sci.
Publication Date OCT-DEC
Year Published 1995
Volume 43
Issue 4
Beginning Page 549
Ending Page 554
Digital Object Identifier (DOI) 10.1017/S0043174500081625
Page Count 6
Web of Science Category Agronomy; Plant Sciences
Subject Category Agriculture; Plant Sciences
Document Delivery Number TH555
Unique Article Identifier WOS:A1995TH55500004
Plants associated with this reference

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