INHIBITEUR DU RÉCEPTEUR DE LA STRIGOLACTONE, COMPOSITION AGRICOLE ET SON UTILISATION, INHIBITEUR DE GERMINATION DE GRAINES DE STRIGA, ET COMPOSÉ TRIAZOLE-URÉE
The present invention provides a strigolactone receptor inhibitor for plants, the strigolactone receptor inhibitor containing at least one kind of triazole urea compounds represented by the following formula (I) as an active ingredient； an agricultural composition； a method for using the agricultural composition as, for example, a branching enhancer for plants； a germination inhibitor for Striga seeds, the germination inhibitor containing the triazole urea compound； and a novel triazole urea compound that is useful as a strigolactone receptor inhibitor for plants. In the formula, A represents a group represented by (A-1) or (A-2). R1 and R2 represent a hydrogen atom and so forth. R3 and R4 represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms and so forth. In addition, R3 and R4 may form a ring together.
