The invention relates to an aqueous dispersion comprising the following components: (a) 25 to 60 wt. % of 3-iodo-2-propynyl butyl carbamate (IPBC), (b) 0.05 to 5 wt. % of at least one compound selected from the group consisting of methyl cellulose, hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose and carboxymethyl cellulose, or mixtures of two or more of these, (c) 1 to 10 wt. % of at least one block copolymer based on ethylene oxide and propylene oxide, having a numerically defined average molecular weight of between 1,000 g/mol and 15,000 g/mol, (d) 0.1 to 10 wt. % of at least one thickener and/or anti-settling agent, and (e) up to 100 wt. % of water, in each case based on the total aqueous dispersion. The invention further relates to the use of this dispersion for the protection of technical materials from attack and/or destruction by microorganisms.

The invention relates to an aqueous dispersion comprising the following components: (a) 25 to 60 wt. % of 3-iodo-2-propynyl butyl carbamate (IPBC), (b) 0.05 to 5 wt. % of at least one compound selected from the group consisting of methyl cellulose, hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose and carboxymethyl cellulose, or mixtures of two or more of these, (c) 1 to 10 wt. % of at least one block copolymer based on ethylene oxide and propylene oxide, having a numerically defined average molecular weight of between 1,000 g/mol and 15,000 g/mol, (d) 0.1 to 10 wt. % of at least one thickener and/or anti-settling agent, and (e) up to 100 wt. % of water, in each case based on the total aqueous dispersion. The invention further relates to the use of this dispersion for the protection of technical materials from attack and/or destruction by microorganisms.

An alkene-containing carboxylic ester compound of formula (I) and its agriculturally acceptable salt can be used as a herbicide.

##STR00001##

An alkene-containing carboxylic ester compound of formula (I) and its agriculturally acceptable salt can be used as a herbicide.

##STR00001##

An object of the present invention is to provide a method which does not have a problem with safety and enables controlling various pests even at a low dosage, and a pest control agent composition and a pest control agent set which are suitable to be used for the method. In the pest control method of the present invention, at least one compound selected from a compound of formula (I) (wherein, in formula (I), R.sup.1 represents a substituted or unsubstituted C1-6 alkylthio group, a substituted or unsubstituted C1-6 alkylsulfinyl group, or the like, R.sup.2 represents a hydrogen atom or a substituted or unsubstituted C1-6 alkyl group, R represents a C1-6 haloalkyl group or a C2-6 haloalkenyl group, X represents a substituted or unsubstituted C1-6 alkyl group, a substituted or unsubstituted C2-6 alkenyl group, or the like, n represents any integer of 0 to 4, and Xs are the same or different when n is 2 or more) and a salt thereof is applied with an insecticidal or acaricidal active component to an object.

##STR00001##

An object of the present invention is to provide a method which does not have a problem with safety and enables controlling various pests even at a low dosage, and a pest control agent composition and a pest control agent set which are suitable to be used for the method. In the pest control method of the present invention, at least one compound selected from a compound of formula (I) (wherein, in formula (I), R.sup.1 represents a substituted or unsubstituted C1-6 alkylthio group, a substituted or unsubstituted C1-6 alkylsulfinyl group, or the like, R.sup.2 represents a hydrogen atom or a substituted or unsubstituted C1-6 alkyl group, R represents a C1-6 haloalkyl group or a C2-6 haloalkenyl group, X represents a substituted or unsubstituted C1-6 alkyl group, a substituted or unsubstituted C2-6 alkenyl group, or the like, n represents any integer of 0 to 4, and Xs are the same or different when n is 2 or more) and a salt thereof is applied with an insecticidal or acaricidal active component to an object.

##STR00001##

The present application discloses herbicidal compositions containing a first herbicide beflubutamid, or an optically enriched form thereof, and a second herbicide selected from WSSA Group 15 herbicides, WSSA Group 13 herbicides, WSSA Group 27 herbicides, WSSA Group 9 herbicides, WSSA Group 10 herbicides, WSSA Group 22 herbicides, WSSA Group 7 herbicides, WSSA Group 3 herbicides, WSSA Group 14 triazolinone herbicides, WSSA Group 1 cyclohexanedione herbicides, WSSA Group 2 imida-zolinone herbicides, WSSA Group 14 N-phenylphthalimide herbicides, WSSA Group 14 diphenylether herbicides, WSSA Group 14 pyrimidinedione herbicides, WSSA Group 5 1,2,4-triazine herbicides and herbicides selected from metamifop, atrazine, fenoxaprop-P-ethyl, 2,4-D (2,4-dichlorophenoxyacetic acid), florasulam, halosulfuron-methyl and prosulfocarb. The application also discloses a method of controlling undesired vegetation in a crop by applying to the locus of such vegetation a herbicidally effective amount of a herbicidal composition.

The present application discloses herbicidal compositions containing a first herbicide beflubutamid, or an optically enriched form thereof, and a second herbicide selected from WSSA Group 15 herbicides, WSSA Group 13 herbicides, WSSA Group 27 herbicides, WSSA Group 9 herbicides, WSSA Group 10 herbicides, WSSA Group 22 herbicides, WSSA Group 7 herbicides, WSSA Group 3 herbicides, WSSA Group 14 triazolinone herbicides, WSSA Group 1 cyclohexanedione herbicides, WSSA Group 2 imida-zolinone herbicides, WSSA Group 14 N-phenylphthalimide herbicides, WSSA Group 14 diphenylether herbicides, WSSA Group 14 pyrimidinedione herbicides, WSSA Group 5 1,2,4-triazine herbicides and herbicides selected from metamifop, atrazine, fenoxaprop-P-ethyl, 2,4-D (2,4-dichlorophenoxyacetic acid), florasulam, halosulfuron-methyl and prosulfocarb. The application also discloses a method of controlling undesired vegetation in a crop by applying to the locus of such vegetation a herbicidally effective amount of a herbicidal composition.

The present application discloses herbicidal compositions containing a first herbicide beflubutamid, or an optically enriched form thereof, and a second herbicide selected from WSSA Group 15 herbicides, WSSA Group 13 herbicides, WSSA Group 27 herbicides, WSSA Group 9 herbicides, WSSA Group 10 herbicides, WSSA Group 22 herbicides, WSSA Group 7 herbicides, WSSA Group 3 herbicides, WSSA Group 14 triazolinone herbicides, WSSA Group 1 cyclohexanedione herbicides, WSSA Group 2 imida-zolinone herbicides, WSSA Group 14 N-phenylphthalimide herbicides, WSSA Group 14 diphenylether herbicides, WSSA Group 14 pyrimidinedione herbicides, WSSA Group 5 1,2,4-triazine herbicides and herbicides selected from metamifop, atrazine, fenoxaprop-P-ethyl, 2,4-D (2,4-dichlorophenoxyacetic acid), florasulam, halosulfuron-methyl and prosulfocarb. The application also discloses a method of controlling undesired vegetation in a crop by applying to the locus of such vegetation a herbicidally effective amount of a herbicidal composition.

The invention relates to the field of pesticide technology, and in particular a type of carboxylic acid derivative-substituted iminoaryl compound, preparation method, herbicidal composition and use thereof. The compound, as shown in general formula I:

##STR00001## wherein, Q represents

##STR00002##

Y represents halogen, haloalkyl or cyano; Z represents halogen; M represents CH or N; W represents OX.sub.5, SX.sub.5 or N(X.sub.5).sub.2; X represents —CX.sub.1X.sub.2-(alkyl).sub.n-, -alkyl-CX.sub.1X.sub.2-(alkyl).sub.n- or —(CH.sub.2).sub.r—; X.sub.3 and X.sub.4 each independently represent O, S, NH or N-alkyl, etc. The compound has excellent herbicidal activity against gramineous weeds, broadleaf weeds, cyperaceae weeds and so on even at low application rates, and has high selectivity for crops.