JP2010235602A - Herbicide composition and weed control method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a herbicide composition and a weed control method. <P>SOLUTION: There is provided a herbicide composition containing, as effective ingredients, 4-chloro-5-[1,3-dioxocyclohex-2-yl]carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide, and at least one compound selected from the group consisting of pyraclonil, propyrisulfuron, tefuryltrione, mesotrione, penoxsulam, pyrimisulfan, ipfencarbazone and metazosulfuron. A weed control method using the herbicide composition is also provided. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a herbicidal composition and a method for controlling weeds.

At present, many herbicides are used, but there are many kinds of weeds to be controlled, and the occurrence is long. Therefore, a herbicide having a high herbicidal effect, a broad herbicidal spectrum, and excellent crop selectivity is desired.
It is known that certain triketone compounds have herbicidal activity (see, for example, Patent Document 1).

JP 2000-178268 A

  An object of the present invention is to provide an excellent herbicidal composition and a method for controlling weeds.

As a result of studies to find an excellent herbicidal composition and a method for controlling weeds, the present inventors have found that 4-chloro-5- [1,3-dioxocyclohex-2-yl] carbonyl-2,3-dihydrobenzo Thiophene-1,1-dioxide;
A herbicidal composition containing, as an active ingredient, at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimislphan, ipfencarbazone and metazosulfuron (hereinafter referred to as the present invention) It is described as a herbicidal composition.), However, it has been found that each compound alone can effectively control weeds that have insufficient control effect, and that the treatment dose of each compound can be reduced by synergistic action. Arrived.

That is, the present invention is as follows.
[1] A herbicidal composition containing the component (A) and the component (B) as active ingredients.
Component (A): 4-chloro-5- [1,3-dioxocyclohex-2-yl] carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide.
Component (B): at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimisulphan, ipfencarbazone and metazosulfuron.
[2] The herbicidal composition according to [1], wherein the weight ratio of the component (A) to the component (B) is in the range of 1: 0.005 to 1:50.
[3] The herbicidal composition according to [1], wherein the weight ratio of the component (A) to the component (B) is in the range of 1: 0.05 to 1:25.
[4] A method for controlling weeds comprising a step of applying an effective amount of component (A) and component (B) to weeds or a place where weeds grow.
Component (A): 4-chloro-5- [1,3-dioxocyclohex-2-yl] carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide.
Component (B): at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimisulphan, ipfencarbazone and metazosulfuron.
[5] The weed control method according to [4], wherein the weight ratio of the component (A) to the component (B) is in the range of 1: 0.005 to 1:50.
[6] The weed control method according to [4], wherein the weight ratio of the component (A) to the component (B) is in the range of 1: 0.05 to 1:25.
[7] The method for controlling weeds according to any one of [4] to [6], wherein the place where weeds grow is a paddy field or a field.
[8] Use of a composition containing the component (A) and the component (B) for controlling weeds.
Component (A): 4-chloro-5- [1,3-dioxocyclohex-2-yl] carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide.
Component (B): at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimisulphan, ipfencarbazone and metazosulfuron.

  According to the present invention, weeds can be controlled.

The herbicidal composition of the present invention contains component (A) and component (B) as active ingredients.
Component (A), that is, 4-chloro-5- (1,3-dioxocyclohex-2-yl) carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide is represented by the following structural formula. It is a compound described in JP 2000-178268 A.

  Component (B) is at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimisulphan, ipfencarbazone, and metazosulfuron.

Pyraclonil has the chemical name described in WO94 / 008999 as 1- (3-chloro-4,5,6,7-tetrahydropyrazolo [1,5-α] pyridin-2-yl) -5 It is a compound of [methyl (prop-2-ynyl) amino] pyrazole-4-carbonitrile.
Propyrisulfuron has a chemical name described in EP 1466527A of 1- (2-chloro-6-n-propylimidazo [1,2-b] pyridazin-3-ylsulfonyl) -3- (4,6 -Dimethoxypyrimidin-2-yl) urea compound.
Tefuryltrione has the chemical name described in US 6376429 of 2- {2-chloro-4-mesyl-3-[(RS) -tetrahydro-2-furylmethoxymethyl] benzoyl} cyclohexane-1,3- It is a compound of dione.
Mesotrione is a compound having a chemical name of 2- (4-mesyl-2-nitrobenzoyl) cyclohexane-1,3-dione described in US Pat. No. 4,946,981.
Penoxslam has the chemical name described in US Pat. No. 5,858,924 with the name 3- (2,2-difluoroethoxy) -N- (5,8-dimethoxy [1,2,4] triazolo [1,5-c] pyrimidine- 2-yl) -α, α, α-trifluorotoluene-2-sulfonamide.
Ipfencarbazone has a chemical name described in US6077814 of 1- (2,4-dichlorophenyl) -N- (2,4-difluorophenyl) -N-isopropyl-1,5-dihydro-5 It is a compound of oxo-4H-1,2,4-triazole-4-carboxamide.
Pyrimisulfan has the chemical name (RS) -2 ′-[(4,6-dimethoxypyrimidin-2-yl) (hydroxy) methyl] -1,1-difluoro-6 ′ described in US Pat. No. 6,458,748. -(Methoxymethyl) methanesulfonanilide compound.
Metazosulfuron has the chemical name N-((4,6-dimethoxypyrimidin-2-yl) aminocarbonyl) -3-chloro-1-methyl-4- (5-methyl) described in US2008-0064600A. -5H, 6H-1,4,2-dioxazin-3-yl) pyrazole-5-sulfonamide.

  The herbicidal composition of the present invention contains a component (A) and a component (B). The herbicidal composition of the present invention is usually further added with an inert carrier; and auxiliary agents for preparation such as surfactants, sticking agents, dispersants, stabilizers, etc., and are wettable powder, granular wettable powder, flowable powder, granule. It is formulated into dry flowables, emulsions, aqueous liquids, oils, smokes, aerosols, microcapsules and the like. In the present herbicidal composition, the total of component (A) and component (B) is usually 1 to 90% by weight.

  Examples of the inert carrier include a solid carrier, a liquid carrier, and a gas carrier.

  Examples of the solid carrier include clays (for example, kaolin, diatomaceous earth, synthetic hydrous silicon oxide, fusami clay, bentonite, acidic clay), talc, and other inorganic minerals (for example, sericite, quartz powder, sulfur powder, activated carbon, Examples of the liquid carrier include water, alcohols (for example, methanol, ethanol), ketones (for example, acetone, methyl ethyl ketone), aromatic carbonization, and the like. Hydrogens (eg, benzene, toluene, xylene, ethylbenzene, methylnaphthalene), aliphatic hydrocarbons (eg, n-hexane, cyclohexane, kerosene), esters (eg, ethyl acetate, butyl acetate), nitriles (eg, , Acetonitrile, isobutylnitrile), ethers (eg Dioxane, diisopropyl ether), acid amides (e.g., N, N- dimethylformamide, dimethylacetamide), and halogenated hydrocarbons (e.g., dichloroethane, trichlorethylene, carbon tetrachloride) and the like.

  Surfactants include, for example, alkyl sulfates, alkyl sulfonates, alkyl aryl sulfonates, alkyl aryl ethers and their polyoxyethylene compounds, polyoxyethylene glycol ethers, polyhydric alcohol esters, and sugar alcohols. Derivatives.

  Other formulation adjuvants include, for example, fixing agents and dispersants, specifically casein, gelatin, polysaccharides (eg starch, arabic gum, cellulose derivatives, alginic acid), lignin derivatives, bentonite, saccharides, synthetic water-soluble high Molecules (for example, polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acids), PAP (isopropyl acid phosphate), BHT (2,6-di-tert-butyl-4-methylphenol), BHA (2-tert-butyl-4) -Mixtures of methoxyphenol and 3-tert-butyl-4-methoxyphenol), vegetable oils, mineral oils, fatty acids and fatty acid esters.

The weed control method of the present invention includes a step of applying an effective amount of the component (A) and the component (B) to the weed or a place where the weed grows. The herbicidal composition of the present invention can be used in the weed control method of the present invention. The application method of the herbicidal composition of the present invention includes, for example, a method of treating the foliage of the present herbicidal composition on weeds, a method of treating the herbicidal composition of the present invention on the soil surface where weeds grow, Examples thereof include a method of treating the surface water, and a method of mixing the herbicidal composition of the present invention with the soil where weeds grow. In the method for controlling weeds of the present invention, component (A) and component (B) are usually used in an amount of 1 to 5000 g, preferably 10 to 1000 g, per 10,000 m ^{2 of} area to control weeds.

  In the present invention, the weight ratio of the components (A) and (B) used as the active ingredients is, for example, in the range of 1: 0.005 to 1:50 and in the range of 1: 0.05 to 1:25. Can be mentioned.

  When the component (B) is pyraclonyl, the weight ratio of the components (A) and (B) used as the active component is, for example, in the range of 1: 0.005 to 1:50, and 1: 0.05 to 1 : 25 range.

  When the component (B) is propyrisulfuron, the weight ratio of the components (A) and (B) used as active ingredients is, for example, in the range of 1: 0.005 to 1:50, and 1: 0.05. A range of ˜1: 25 is mentioned.

  When the component (B) is tefryltrione, the weight ratio of the components (A) and (B) used as active components is, for example, in the range of 1: 0.005 to 1:50, and 1: 0.05. A range of ˜1: 25 is mentioned.

  When the component (B) is mesotrione, the weight ratio of the components (A) and (B) used as the active component is, for example, in the range of 1: 0.005 to 1:50, and 1: 0.05 to 1. : 25 range.

  When the component (B) is penox slam, the weight ratio of the components (A) and (B) used as the active components is, for example, in the range of 1: 0.005 to 1:50, and 1: 0.05 to 1. : 25 range.

  When the component (B) is pyrimisulphan, the weight ratio of the components (A) and (B) used as active components is, for example, in the range of 1: 0.005 to 1:50 and 1: 0.05. A range of ˜1: 25 is mentioned.

  When the component (B) is ipfencarbazone, the weight ratio of the components (A) and (B) used as the active components is, for example, in the range of 1: 0.005 to 1:50, and 1: 0. The range of 05-1: 25 is mentioned.

  When the component (B) is metazosulfuron, the weight ratio of the components (A) and (B) used as active components is, for example, in the range of 1: 0.005 to 1:50, and 1: 0.05 to 1. : 25 range.

  In the present invention, weed control in paddy fields, upland fields, orchards, turf land, etc. where plowing or non-plowing cultivation is performed;

Crabgrass (Digitaria ciliaris), goosegrass (Eleusine indica), green foxtail (Setaria viridis), giant foxtail (Setaria faberi), Kin foxtail (Setaria glauca), barnyardgrass (Echinochloa crus-galli), fall panicum (Panicum dichotomiflorum), Texas Pani cam (Panicum texanum), Meriken black millet (Brachiaria platyphylla), Alexander glass (Braciaria plantagenea), Surinamegrass (Braciaria decumbens), Sebum sorghum (Sorghum halepense) Taken (Andropogon sorghum), bermudagrass (Cynodon dactylon), oats (Avena fatua), darnel (Lolium multiflorum), black grass (Alopecurus myosuroides), downy brome (Bromus tectorum), Arechinochahiki (Bromus sterilis), Hime canary grass (Phalaris minor) , Apera spica-venti, Poa annua, Agropyron repens, Cyperus iria, Cyperus rotundus, Cyprus rotundus ulentus, purslane (Portulaca oleracea), Amaranthus retroflexus, Amaranthus heithus (Amaranthus hybridus), Amaranthus euthus (Amaranthus palmis), Amaranthus palmeri (Sida spinosa), buckwheat (Fallopia convolvulus), sanaetade (Polygonum scabulum), American sanaetade (Persicaria pennsylvanica), hartade (Persicaria vulgaris), Persicaria vulgaris (Persicaria vulgaris) ispus), broadleaf dock (Rumex obtusifolius), Japanese knotweed (Fallopia japonica), common lambsquarters (Chenopodium album), kochia (Kochia scoparia), knotweed (Polygonum longisetum), black nightshade (Solanum nigrum), white Bana Datura (Datura stramonium), Ipomoea purpurea ( Ipomoea purpurea), American morning glory (Ipomoea headeracea), Malba American morning glory (Ipomoea headerace var.). integriuscula), beans morning glory (Ipomoea lacunosa), field bindweed (Convolvulus arvensis), Lamium purpureum (Lamium purpureum), henbit (Lamium amplexicaule), cocklebur (Xanthium pensylvanicum), wild sunflower (Helianthus annuus), Inukamitsure (Matricaria perforata or inodora), Chamomile (Matricaria chamomilla), corn marigold (Chrysanthemum segetum), Orchardock (Matricaria matricariaides), Ragweed (Ambrosia artemis) ifolia), Ambrosia trifida (Ambrosia trifida), Erigeron canadensis (Erigeron canadensis), mugwort (Artemisia princeps), goldenrod (Solidago altissima), Erigeron bonariensis (Conyza bonariensis), the United States horn Aeschynomene indica (Sesbania exaltata), sicklepod (Cassia obtusifolia), Florida Bega Weed (Desmodium tortousum), White clover (Trifolium repens), Kudzu (Pueraria lobata), Caladium pea (Vicia angustifolia), Clover (Commelina communis), Malvatsu Grasses (Commelina benghalensis), cleavers (Galium aparine), chickweed (Stellaria media), wild radish (Raphanus raphanistrum), Noharagarashi (Sinapis arvensis), shepherd's purse (Capsella bursa-pastoris), persian speedwell (Veronica persica), Veronica Hederifolia (Veronica hederifolia) , Field pansies (Viola arvensis), wild pansies (Viola tricolor), daisies (Papaver rhoeas), forget-me-nots (Myosotis scorpioides), Otowata (Asclepias syria) ca), euphorbia helioscopia, psyllium (Chamaesyce nutans), red spider (Geranium carolinianum), Dutch turf (Erodium citutaria), sugina (Equium)

Ashikaki (Leersia japonica), barnyardgrass (Echinochloa oryzicola), barnyardgrass (Echinochloa crus-galli var. Formosensis), leptochloa chinensis (Leptochloa chinenisis), smallflower umbrellaplant (Cyperus difformis), fimbristylis miliacea (Fimbristylis miliacea), Eleocharis acicularis (Eleocharis acicularis), Scirpus ( Sirpus juncoides), Shirapus wallichii, Cyperus serotinus, Kurowai (Eleocharis kuroguwai), Kokigagara (Bolboschoenu) koshevnikovii), pulp (Schoenoplectus nipponicus), Monochoria (Monochoria vaginalis), false pimpernel (Lindernia procumbens), Abunome (Dopatrium junceum), Rotala indica (Rotala indica), Ammannia multiflora Roxb (Ammannia multiflora), Elatine triandra Schk (Elatine triandra), Choujitade (Ludwigia epilobioides) , Urikawa (Sagittaria pygmaea), Heramodaka (Arisma canaliculatum), Omodaka (Sagitaria trifolia), Hiramshiro (Potamogeton distinctus), Ce (Oenanthe javanica), Mizuhakobe (Callitriche palustris), Azetougarashi (Lindernia micrantha), Amerikaazena (Lindernia dubia), Eclipta prostrata (Eclipta prostrata), Ibokusa (Murdannia keisak), Paspalum distichum (Paspalum distichum), Ezonosayanukagusa (Leersia oryzoides) paddy such weed;

Naganetera phyloxeroides, Frogsbit (Limnobium spongia), Waterfern (Salvinia spp.), Duckweed (Pistia stratiotes), Water pennywort (genus Hydrocotyle spp.) demersum), duckweed (genus Lemna), cabbage carolinina, blackberry (Hydrilla verticillatis), Southern naad (Najas gudalupensis), pondwetom (Potamogeton) eton illinoensis, Potamogeton pectinatus, etc.), water meal (genus Wolfifia), water mill foils (Myriophyllum spicatum, Myriophyllum heterophyllum, etc.), water hyacinth (eichharis water, etc.)

Mosses, moss, hornworts. Cyanobacteria. Ferns. Suckers of perennial crops (fruits, stones, berries, nuts, citrus, hops, grapes, etc.).

The herbicidal composition of the present invention can be used, for example, in farmland where the following crops are cultivated.
Agricultural crops: corn, rice, wheat, barley, rye, oat, sorghum, cotton, soybean, peanut, buckwheat, sugar beet, rapeseed, sunflower, sugarcane, tobacco, etc.
Vegetables: Eggplant vegetables (eggplants, tomatoes, peppers, peppers, potatoes, etc.), cucurbits vegetables (cucumbers, pumpkins, zucchini, watermelons, melons, etc.), cruciferous vegetables (radish, turnip, horseradish, kohlrabi, Chinese cabbage, cabbage) , Mustard, broccoli, cauliflower, etc.), asteraceae vegetables (burdock, shungiku, artichoke, lettuce, etc.), liliaceae vegetables (eg, leek, onion, garlic, asparagus, etc.), celeryaceae vegetables (carrot, parsley, celery, American redfish) Etc.), red crustacean vegetables (spinach, chard, etc.), persimmon vegetables (perilla, mint, basil, etc.), strawberry, sweet potato, yam, taro, etc.
Fruit trees: apples, pears, Japanese pears, quince, quince, etc., nuclear fruits (peaches, plums, nectarines, ume, sweet cherry, apricots, prunes, etc.), citrus (citrus mandarin, orange, lemon, lime, grapefruit) ), Nuts (chestnut, walnut, hazel, almond, pistachio, cashew nut, macadamia nut, etc.), berries (blueberry, cranberry, blackberry, raspberry, etc.), grape, oyster, olive, loquat, banana, coffee, Date palm, coconut palm, oil palm etc.
Trees other than fruit trees: tea, mulberry, flowering trees (Satsuki, camellia, hydrangea, sasanqua, shikimi, sakura, yurinoki, crape myrtle, valerian, etc.), roadside trees (ash, birch, dogwood, eucalyptus, ginkgo, lilac, maple, oak) , Poplar, redwood, fu, sycamore, zelkova, black beetle, Japanese amberjack, eel, pine, pine, spruce, yew, elm, redwood, etc.), coral jug, dogwood, cedar, cypress, croton, masaki, kanamochi.
Lawn: Shiba (Nasis, Pleurotus, etc.), Bluegrass (Nagahagusa, Oosuzunokatabira, etc.), Fescue (Nonogusa, Oshionokegusa, Hyoshinokegusa, etc.), Japanese hemlock, Japanese blue whale, etc.
Other: Flowers (Rose, Carnation, Chrysanthemum, Eustoma, Gypsophila, Gerbera, Marigold, Salvia, Petunia, Verbena, Tulip, Aster, Gentian, Lily, Pansy, Cyclamen, Orchid, Lily of the valley, Lavender, Stock, Habutton, Primula, Poinsettia, gladiolus, cattleya, daisy, cymbidium, begonia, etc.), biofuel plants (Jatropha, safflower, Amanazuna, switchgrass, miscanthus, kusayoshi, dangiku, kenaf, cassava, willow, algae, etc.), foliage plants, etc.

  The above crops include genetically modified crops.

  The herbicidal composition of the present invention has selectivity for paddy rice. Therefore, the herbicidal composition of the present invention is suitable for a paddy field herbicidal composition.

  The herbicidal composition of the present invention can be mixed or used in combination with other herbicides, insecticides, fungicides, plant growth regulators, safeners, fertilizers and the like.

  EXAMPLES Hereinafter, although an Example, such as a formulation example and a test example, is given and this invention is demonstrated in more detail, this invention is not limited to these. In addition, "part" described in an Example means a weight part.

Formulation Example 1
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Component (A) 0.3 part Pyraclonil 2.0 part Neocol <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (poly) Carboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd. 2.0 parts Kunigel <registered trademark> V1 (bentonite: manufactured by Kunimine Industries Co., Ltd.) 30.0 parts calcium carbonate 65.2 parts

Formulation Example 2
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Component (A) 0.8 parts Pyraclonil 5.3 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 (Nissin) Manufactured by Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen <registered trademark>> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered Trademark> V1 (Bentonite: Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 68.5 parts

Formulation Example 3
The following components are mixed, and the mixture is wet pulverized to obtain a flowable agent.
Component (A) 0.6 parts Pyraclonil 4.2 parts Isoelite <registered trademark> L (manufactured by Shimizu Minato Sugar Co., Ltd.) 10.0 parts Ethylene glycol 9.0 parts New Calgen D-1518 (trade name, Takemoto Yushi) 3.0 parts Agrisol <registered trademark> FL-2017 (manufactured by Kao Corporation) 2.0 parts Antifoam <registered trademark> E-20 (manufactured by Kao Corporation) 0.3 part sorbic acid 0.1 part water 70.8 parts

Formulation Example 4
The following components are mixed, and the mixture is wet pulverized to obtain a flowable agent.
Ingredient (A) 1.3 parts propyrisulfuron 1.9 parts Isoelite <registered trademark> L (manufactured by Shimizu Minato Sugar Co., Ltd.) 10.0 parts ethylene glycol 9.0 parts New Calgen D-1518 (trade name, Takemoto Oil & Fat Co., Ltd.) 3.0 parts Agrisol <registered trademark> FL-2017 (manufactured by Kao Corporation) 2.0 parts Antifoam <registered trademark> E-20 (manufactured by Kao Corporation) 0.3 parts Sorbic acid 0.1 part water 72.4 parts

Formulation Example 5
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Component (A) 2.7 parts ipfencarbazone 6.7 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 (Nissin Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: Sanyo Chemical Industries Co., Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen <Registered trademark> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered trademark> V1 (Bentonite: manufactured by Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 65.2 parts

Formulation Example 6
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 0.6 part propyrisulfuron 0.9 part Neocor <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (Polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts Kunigel <Registered Trademark> V1 (Bentonite: manufactured by Kunimine Industries Co., Ltd.) 30.0 parts Calcium carbonate 66.0 parts

Formulation Example 7
The following components are mixed, and the mixture is wet pulverized to obtain a flowable agent.
Ingredient (A) 2.1 parts ipfencarbazone 5.3 parts New Calgen RX-B (trade name, manufactured by Takemoto Yushi Co., Ltd.) 1.0 part Aerosil <registered trademark> COK84 (manufactured by Nippon Aerosil Co., Ltd.) 2.0 parts Antifoam (registered trademark) E-20 (manufactured by Kao Corporation) 0.2 parts ethylene glycol 8.0 parts New Calgen FS-100 (trade name, manufactured by Takemoto Yushi Co., Ltd.) 3.0 parts Newkargen FS-3GE (trade name, manufactured by Takemoto Yushi Co., Ltd.) 4.0 parts sorbic acid 0.1 part Agrisol <registered trademark> FL-104FA (manufactured by Kao Corporation) 10.0 parts 64.3 parts water

Formulation Example 8
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 1.0 part ipfencarbazone 2.5 parts Neocol <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts Kunigel <registered trademark> V1 (bentonite: manufactured by Kunimine Industries Co., Ltd.) 30.0 parts calcium carbonate 64.0 parts

Formulation Example 9
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Component (A) 1.6 parts propyrisulfuron 2.4 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 ( Manufactured by Nissin Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen < Registered Trademark> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered Trademark> V1 (Bentonite: Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 70.6 parts

Formulation Example 10
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 0.6 part Pyrimisulphan 0.5 part Neocor <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (Polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts Kunigel <Registered Trademark> V1 (Bentonite: manufactured by Kunimine Industries Co., Ltd.) 30.0 parts Calcium carbonate 66.4 parts

Formulation Example 11
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Compound (A) 1.6 parts Pyrimisulphan 1.3 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 ( Manufactured by Nissin Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen < Registered Trademark> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered Trademark> V1 (Bentonite: Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 71.7 parts

Formulation Example 12
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 1.0 part Penox slam 0.3 part Neocor <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (poly) Carboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd. 2.0 parts Kunigel <registered trademark> V1 (bentonite: manufactured by Kunimine Industries Co., Ltd.) 30.0 parts calcium carbonate 66.2 parts

Formulation Example 13
The following components are mixed, and the mixture is wet pulverized to obtain a flowable agent.
Ingredient (A) 2.1 parts Penox slam 0.6 parts Isoelite <registered trademark> L (manufactured by Shimizu Minato Sugar Co., Ltd.) 10.0 parts ethylene glycol 9.0 parts New Calgen D-1518 (trade name, Takemoto Yushi) 3.0 parts Agrisol <registered trademark> FL-2017 (manufactured by Kao Corporation) 2.0 parts Antifoam <registered trademark> E-20 (manufactured by Kao Corporation) 0.3 part sorbic acid 0.1 part water 72.9 parts

Formulation Example 14
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Component (A) 2.7 parts Penox slum 0.8 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 (Nissin) Manufactured by Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen <registered trademark>> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered Trademark> V1 (Bentonite: Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 71.1 parts

Formulation Example 15
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 0.6 parts Tefryltrione 3.0 parts Neocor <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (Polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts Kunigel <registered trademark> V1 (bentonite: manufactured by Kunimine Industries Co., Ltd.) 30.0 parts Calcium carbonate 63.9 parts

Formulation Example 16
The following components are mixed, and the mixture is wet pulverized to obtain a flowable agent.
Ingredient (A) 1.3 parts Tefryltrione 6.3 parts Isoelite <registered trademark> L (manufactured by Shimizu Minato Sugar Co., Ltd.) 10.0 parts ethylene glycol 9.0 parts New Calgen D-1518 (trade name, Takemoto Oil & Fat Co., Ltd.) 3.0 parts Agrisol <registered trademark> FL-2017 (manufactured by Kao Corporation) 2.0 parts Antifoam <registered trademark> E-20 (manufactured by Kao Corporation) 0.3 parts Sorbic acid 0.1 part water 68.0 parts

Formulation Example 17
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 1.6 parts tefryltrione 8.0 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 ( Manufactured by Nissin Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen < Registered trademark> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered trademark> V1 (Bentonite: manufactured by Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 65.0 parts

Formulation Example 18
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Component (A) 0.6 part Mesotrione 0.5 part Neocor <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (poly) Carboxylic acid type anionic surfactant: Sanyo Kasei Kogyo Co., Ltd.) 2.0 parts Kunigel <registered trademark> V1 (Bentonite: Kunimine Kogyo Co., Ltd.) 30.0 parts Calcium carbonate 66.4 parts

Formulation Example 19
The following components are mixed, and the mixture is wet pulverized to obtain a flowable agent.
Component (A) 1.3 parts Mesotrione 1.3 parts Isoelite <registered trademark> L (manufactured by Shimizu Minato Sugar Co., Ltd.) 10.0 parts Ethylene glycol 9.0 parts New Calgen D-1518 (trade name, Takemoto Yushi) 3.0 parts Agrisol <registered trademark> FL-2017 (manufactured by Kao Corporation) 2.0 parts Antifoam <registered trademark> E-20 (manufactured by Kao Corporation) 0.3 part sorbic acid 0.1 part water 73.0 parts

Formulation Example 20
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 1.0 part mesotrione 2.4 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 (Nissin) Manufactured by Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen <registered trademark>> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered Trademark> V1 (Bentonite: Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 71.2 parts

Formulation Example 21
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Component (A) 0.5 part Metazosulfuron 1.0 part Neocor <registered trademark> YSK (dialkylsulfosuccinate ester surfactant: manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) 0.5 part Toxanone <registered trademark> GR31A (poly) Carboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd. 2.0 parts Kunigel <Registered Trademark> V1 (bentonite: manufactured by Kunimine Industries Co., Ltd.) 30.0 parts Calcium carbonate 66.0 parts

Formulation Example 22
The following components are mixed, and the mixture is wet pulverized to obtain a flowable agent.
Ingredient (A) 1.1 parts Metazosulfuron 2.1 parts Isoelite <registered trademark> L (manufactured by Shimizu Minato Sugar Co., Ltd.) 10.0 parts ethylene glycol 9.0 parts New Calgen D-1518 (trade name, Takemoto Yushi) 3.0 parts Agrisol <registered trademark> FL-2017 (manufactured by Kao Corporation) 2.0 parts Antifoam <registered trademark> E-20 (manufactured by Kao Corporation) 0.3 part sorbic acid 0.1 part water 72.4 parts

Formulation Example 23
An appropriate amount of water is added to the mixture of the following elements and kneaded. The resulting kneaded product is granulated, then dried and sieved to obtain granules.
Ingredient (A) 1.3 parts Metazosulfuron 2.7 parts Matsumoto Microsphere <registered trademark> F-80E (plastic hollow body: manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) 2.4 parts Olphine <registered trademark> E1010 (Nissin) Manufactured by Chemical Industry Co., Ltd.) 3.0 parts Toxanone <registered trademark> GR31A (polycarboxylic acid type anionic surfactant: manufactured by Sanyo Chemical Industries, Ltd.) 2.0 parts sodium tripolyphosphate 5.0 parts cellogen <registered trademark>> 7A (Daiichi Kogyo Seiyaku Co., Ltd.) 3.0 parts Kunigel <Registered Trademark> V1 (Bentonite: Kunimine Kogyo Co., Ltd.) 10.0 parts Calcium carbonate 70.6 parts

Test example 1
A plastic pot (diameter 8 cm x depth 12 cm) was filled with soil to a depth of about 8 cm. Water was put into this pot and scraped. This was left for 3 days. Sprouted Tainubie (Echinochloa oryzicola) was sown to a depth of about 0.5 cm from the surface of the soil, and water was introduced to a depth of 3 cm from the surface of the soil.
2 mg each of component (A) and pyraclonil are dissolved in 4 mL of acetone containing 2% (W / V) of Tween <20> (surfactant: manufactured by Nacalai Tesque), and the total amount is 20 mL with water. Dilution was performed to obtain a drug dilution.
A predetermined amount of each drug diluent was mixed with water accumulated in the plastic pot.
Four weeks after mixing the drug diluent, the herbicidal effect on Tainubier was observed. The herbicidal effect was evaluated by an index of 0 to 100 (0: no action to 100: complete killing). The results are shown in Table 1.

Test Examples 2-8
In Test Example 1, instead of pyraclonil, propyrisulfuron (Test Example 2),
Tefriltrione (Test Example 3),
Mesotrione (Test Example 4),
Penox slam (Test Example 5),
Pyrimisulphan (Test Example 6),
Ipfencarbazone (Test Example 7),
Metazosulfuron (Test Example 8)
A test was conducted in the same manner as in Test Example 1 except that was used. The results are shown in Tables 2 to 8, respectively.

A plastic pot (diameter 6 cm x depth 7 cm) was filled with soil to a depth of about 5 cm. Water was put into this pot and scraped. This was left for 3 days. On the surface of the soil, a soil mixed with seeds of Cyperus diffuseis L. was added. Water was poured into the pot to a depth of about 1 to 2 cm from the surface of the soil.
2 mg each of component (A) and propyrisulfuron were dissolved in 4 mL of acetone containing 2% (W / V) of Tween <20> (surfactant: manufactured by Nacalai Tesque), and this was dissolved in water to a total volume of 20 mL The drug dilution solution was obtained by diluting to
A predetermined amount of each drug diluent was mixed with water accumulated in the plastic pot.
Five weeks after mixing the drug dilution solution, the herbicidal effect against the red snapper was observed. The herbicidal effect was evaluated by an index of 0 to 100 (0: no action to 100: complete killing). The results are shown in Table 9.

Test Examples 10-15
Instead of propyrisulfuron, tefril trione (Test Example 10),
Mesotrione (Test Example 11),
Penox slam (Test Example 12),
Pyrimisulphan (Test Example 13),
Ipfencarbazone (Test Example 14),
Metazosulfuron (Test Example 15)
A test was conducted in the same manner as in Test Example 9 except that was used. The results are shown in Tables 10 to 15, respectively.

Test Example 16
A plastic pot (diameter 6 cm x depth 7 cm) was filled with soil to a depth of about 5 cm. Water was put into this pot and scraped. This was left for 3 days. A soil mixed with seeds of Azena (Lindernia pyxidaria L.) was put on the surface of the soil. Water was poured into the pot to a depth of about 1 to 2 cm from the surface of the soil.
2 mg each of component (A) and propyrisulfuron were dissolved in 4 mL of acetone containing 2% (W / V) of Tween <20> (surfactant: manufactured by Nacalai Tesque), and this was dissolved in water to a total volume of 20 mL The drug dilution solution was obtained by diluting to
A predetermined amount of each drug diluent was mixed with water accumulated in the plastic pot.
Five weeks after mixing the drug diluent, the herbicidal effect on Azena was observed. The herbicidal effect was evaluated by an index of 0 to 100 (0: no action to 100: complete killing). The results are shown in Table 16.

Test Examples 17-21
Instead of propyrisulfuron, mesotrione (Test Example 17),
Penox slam (Test Example 18),
Pyrimisulphan (Test Example 19),
Ipfencarbazone (Test Example 20),
Metazosulfuron (Test Example 21)
A test was conducted in the same manner as in Test Example 16 except that was used. The results are shown in Tables 17-21, respectively.

Test Example 22
A plastic pot (diameter 6 cm x depth 7 cm) was filled with soil to a depth of about 5 cm. Water was put into this pot and scraped. This was left for 3 days. On the surface of the soil was put seeds of Monochori vaginalis. Water was poured into the pot to a depth of about 1 to 2 cm from the surface of the soil.
2 mg each of component (A) and pyraclonil are dissolved in 4 mL of acetone containing 2% (W / V) of Tween <20> (surfactant: manufactured by Nacalai Tesque), and the total amount is 20 mL with water. Dilution was performed to obtain a drug dilution.
A predetermined amount of each drug diluent was mixed with water accumulated in the plastic pot.
Five weeks after mixing the drug diluent, the herbicidal effect on the oak was observed. The herbicidal effect was evaluated by an index of 0 to 100 (0: no action to 100: complete killing). The results are shown in Table 22.

Test Examples 23 to 29
Instead of pyraclonil, propyrisulfuron (Test Example 23),
Tefriltrione (Test Example 24),
Mesotrione (Test Example 25),
Penox slam (Test Example 26),
Pyrimisulphan (Test Example 27),
Ipfencarbazone (Test Example 28),
Metazosulfuron (Test Example 29)
A test was conducted in the same manner as in Test Example 22 except that was used. The results are shown in Tables 23 to 29, respectively.

Test Example 30
A plastic pot (diameter 6 cm x depth 7 cm) was filled with soil to a depth of about 5 cm. Water was put into this pot and scraped. This was left for 3 days. Germinated urikawa (Sagitaria pygmaea Miq.) Was placed on the surface of the soil. Water was poured into the pot to a depth of about 1 to 2 cm from the surface of the soil.
2 mg each of component (A) and pyraclonil are dissolved in 4 mL of acetone containing 2% (W / V) of Tween <20> (surfactant: manufactured by Nacalai Tesque), and the total amount is 20 mL with water. Dilution was performed to obtain a drug dilution.
A predetermined amount of each drug diluent was mixed with water accumulated in the plastic pot.
Five weeks after mixing the drug diluent, the herbicidal effect on Urikawa was observed. The herbicidal effect was evaluated by an index of 0 to 100 (0: no action to 100: complete killing). The results are shown in Table 30.

Test Examples 31-36
Instead of pyraclonil, propyrisulfuron (Test Example 31),
Tefriltrione (Test Example 32),
Penox slam (Test Example 33),
Pyrimisulphan (Test Example 34),
Ipfencarbazone (Test Example 35),
Metazosulfuron (Test Example 36)
A test was performed in the same manner as in Test Example 30, except that was used. The results are shown in Tables 31 to 36, respectively.

Test Example 37
A plastic pot (diameter 6 cm x depth 7 cm) was filled with soil to a depth of about 5 cm. Water was put into this pot and scraped. This was left for 3 days. On the surface of the soil, a germinated sedge (Cyperus serotinus Rotb.) Was placed. Water was poured into the pot to a depth of about 1 to 2 cm from the surface of the soil.
2 mg each of component (A) and pyraclonil are dissolved in 4 mL of acetone containing 2% (W / V) of Tween <20> (surfactant: manufactured by Nacalai Tesque), and the total amount is 20 mL with water. Dilution was performed to obtain a drug dilution.
A predetermined amount of each drug diluent was mixed with water accumulated in the plastic pot.
Five weeks after mixing the drug diluent, the herbicidal effect against the scallop was observed. The herbicidal effect was evaluated by an index of 0 to 100 (0: no action to 100: complete killing). The results are shown in Table 37.

Test Examples 38 to 29
Instead of pyraclonil, propyrisulfuron (Test Example 38),
Tefriltrione (Test Example 39),
Mesotrione (Test Example 40),
Penox slam (Test Example 41),
Pyrimisulphan (Test Example 42),
Metazosulfuron (Test Example 43)
A test was conducted in the same manner as in Test Example 37 except that was used. The results are shown in Tables 38 to 43, respectively.

Test Example 44
A 1/5000 aren Wagner pot was filled with soil. Water was put into this Wagner pot and scraped. This was left for 4 days. Sprouted Omodaka (Sagitaria trifolia L.) was planted to a depth of about 2 cm from the surface of the soil. This Omodaka was grown until the plant height was about 4 cm. Next, water was put into the Wagner pot to a depth of 5 cm from the surface of the soil.
2 mg each of component (A) and pyraclonil are dissolved in 4 mL of acetone containing 2% (W / V) of Tween <20> (surfactant: manufactured by Nacalai Tesque), and the total amount is 20 mL with water. Dilution was performed to obtain a drug dilution.
A predetermined amount of each drug diluent was mixed with water accumulated in the Wagner pot.
Over a period of 2 days, an amount of water that drops at a rate of 3 cm / day was drawn from the bottom of the Wagner pot and the same amount of water was added to the Wagner pot. After that, this Wagner pot was placed for 4 weeks.
After that, the herbicidal effect on the moss was observed. The herbicidal effect was evaluated by an index of 0 to 100 (0: no action to 100: complete killing). The results are shown in Table 44.

Test Example 45
A test was conducted in the same manner as in Test Example 44, except that propyrisulfuron was used instead of pyraclonil. The results are shown in Table 45.

Claims (8)

A herbicidal composition containing component (A) and component (B) as active ingredients.
Component (A): 4-chloro-5- [1,3-dioxocyclohex-2-yl] carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide.
Component (B): at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimisulphan, ipfencarbazone, and metazosulfuron.     The herbicidal composition according to claim 1, wherein the weight ratio of component (A) to component (B) is in the range of 1: 0.005 to 1:50.     The herbicidal composition according to claim 1, wherein the weight ratio of component (A) to component (B) is in the range of 1: 0.05 to 1:25. A method for controlling weeds comprising a step of applying an effective amount of component (A) and component (B) to weeds or a place where weeds grow.
Component (A): 4-chloro-5- [1,3-dioxocyclohex-2-yl] carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide.
Component (B): at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimisulphan, ipfencarbazone, and metazosulfuron.   The method for controlling weeds according to claim 4, wherein the weight ratio of component (A) to component (B) is in the range of 1: 0.005 to 1:50.   The method for controlling weeds according to claim 4, wherein the weight ratio of component (A) to component (B) is in the range of 1: 0.05 to 1:25.   The method for controlling weeds according to any one of claims 4 to 6, wherein the place where the weeds grow is a paddy field or a field. Use of the composition containing the component (A) and the component (B) for controlling weeds.
Component (A): 4-chloro-5- [1,3-dioxocyclohex-2-yl] carbonyl-2,3-dihydrobenzothiophene-1,1-dioxide.
Component (B): at least one compound selected from the group consisting of pyraclonyl, propyrisulfuron, tefryltrione, mesotrione, penoxsulam, pyrimisulphan, ipfencarbazone, and metazosulfuron.