A series of 1-(p.alkylthio)phenylureas variously substituted on the N atom in position 3 (substances I leads to XXXVII) has been prepared and studied for pre- and post-emergence phytotoxicity. Some compounds were found to have high activity; in particular some 1-(p.alkylthio)phenyl-3-dimethylureas showed high activity even at very low doses (2 kg/ha).
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| http://dx.doi.org/10.1002/chin.197625214 | DOI Listing |
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