| 摘要 |
PURPOSE:The titled composition, containing a specific dibenzylurea based compound and N-(butoxymethyl)-2-chloro-2',6'-acetanilide, and having remarkably enhanced weeding spectrum and width of suitable application period by the very remarkable synergistic action. CONSTITUTION:A herbicidal composition containing a compound of the formula (X is H or halogen; R<1> and R<2> are CH3 or C2H5) capable of exhibiting improved herbicidal effect on weeds of the families Gramineae and Cyperaceae with a long duration but weak effect on broad-leaved weeds and reducing the effect thereof with advance in growth of the weeds and N-(butoxymethyl)-2-chloro-2', 6'-acetanilide having high herbicidal effect on weeds of the family Gramineae but insufficient effect on weeds of the family Cyperaceae and giving phytotoxicity to young seedlings of paddy rice in an amount for practical use at 1:0.2- 2 weight ratio between the former and the latter. The resultant composition has a very long duration of the efficacy and is capable of suppressing almost completely weeds throughout the growth period of the paddy rice by one treatment. |
