JPH03173802A - Herbicidal tablet or capsule for throwing into paddy field - Google Patents
Herbicidal tablet or capsule for throwing into paddy fieldInfo
- Publication number
- JPH03173802A JPH03173802A JP2235040A JP23504090A JPH03173802A JP H03173802 A JPH03173802 A JP H03173802A JP 2235040 A JP2235040 A JP 2235040A JP 23504090 A JP23504090 A JP 23504090A JP H03173802 A JPH03173802 A JP H03173802A
- Authority
- JP
- Japan
- Prior art keywords
- herbicidal
- tablet
- tablets
- rice fields
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002363 herbicidal effect Effects 0.000 title claims abstract description 56
- 239000002775 capsule Substances 0.000 title claims abstract description 35
- 241000209094 Oryza Species 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000011230 binding agent Substances 0.000 claims abstract description 16
- 239000004094 surface-active agent Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 44
- 235000009566 rice Nutrition 0.000 claims description 44
- 239000004615 ingredient Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 25
- -1 4,6-dimethoxypyrimidin-2-yl Chemical group 0.000 claims description 19
- 238000009333 weeding Methods 0.000 claims description 12
- 239000003814 drug Substances 0.000 claims description 8
- 229940079593 drug Drugs 0.000 claims description 8
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 3
- FFSSWMQPCJRCRV-UHFFFAOYSA-N quinclorac Chemical compound ClC1=CN=C2C(C(=O)O)=C(Cl)C=CC2=C1 FFSSWMQPCJRCRV-UHFFFAOYSA-N 0.000 claims description 3
- NAGRVUXEKKZNHT-UHFFFAOYSA-N Imazosulfuron Chemical compound COC1=CC(OC)=NC(NC(=O)NS(=O)(=O)C=2N3C=CC=CC3=NC=2Cl)=N1 NAGRVUXEKKZNHT-UHFFFAOYSA-N 0.000 claims description 2
- YLPGTOIOYRQOHV-UHFFFAOYSA-N Pretilachlor Chemical compound CCCOCCN(C(=O)CCl)C1=C(CC)C=CC=C1CC YLPGTOIOYRQOHV-UHFFFAOYSA-N 0.000 claims description 2
- XIGAUIHYSDTJHW-UHFFFAOYSA-N mefenacet Chemical compound N=1C2=CC=CC=C2SC=1OCC(=O)N(C)C1=CC=CC=C1 XIGAUIHYSDTJHW-UHFFFAOYSA-N 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- CYYDNXCYDWWSPS-UHFFFAOYSA-N 2-(2,2,2-trichloroethyl)oxirane Chemical compound ClC(Cl)(Cl)CC1CO1 CYYDNXCYDWWSPS-UHFFFAOYSA-N 0.000 claims 1
- WMLPCIHUFDKWJU-UHFFFAOYSA-N Cinosulfuron Chemical compound COCCOC1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(OC)=NC(OC)=N1 WMLPCIHUFDKWJU-UHFFFAOYSA-N 0.000 claims 1
- IKYICRRUVNIHPP-UHFFFAOYSA-N Dimethametryn Chemical compound CCNC1=NC(NC(C)C(C)C)=NC(SC)=N1 IKYICRRUVNIHPP-UHFFFAOYSA-N 0.000 claims 1
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 claims 1
- GHQVJCOOZRFXPA-UHFFFAOYSA-N ethyl 2-[(4,6-dimethoxypyrimidin-2-yl)carbamoylsulfamoyl]-1-methyl-3h-pyrazole-4-carboxylate Chemical compound C1C(C(=O)OCC)=CN(C)N1S(=O)(=O)NC(=O)NC1=NC(OC)=CC(OC)=N1 GHQVJCOOZRFXPA-UHFFFAOYSA-N 0.000 claims 1
- MGLWZSOBALDPEK-UHFFFAOYSA-N simetryn Chemical compound CCNC1=NC(NCC)=NC(SC)=N1 MGLWZSOBALDPEK-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 22
- 239000007787 solid Substances 0.000 abstract description 12
- 230000002378 acidificating effect Effects 0.000 abstract description 8
- 239000003905 agrochemical Substances 0.000 abstract description 5
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- 229940124530 sulfonamide Drugs 0.000 abstract description 4
- 150000003456 sulfonamides Chemical class 0.000 abstract description 4
- 239000004088 foaming agent Substances 0.000 abstract description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 abstract description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 abstract description 2
- 150000003918 triazines Chemical class 0.000 abstract description 2
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 57
- 238000009472 formulation Methods 0.000 description 48
- 238000012360 testing method Methods 0.000 description 13
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- 241000196324 Embryophyta Species 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000005507 spraying Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004604 Blowing Agent Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 231100000674 Phytotoxicity Toxicity 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 241000218691 Cupressaceae Species 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000004009 herbicide Substances 0.000 description 3
- 230000000887 hydrating effect Effects 0.000 description 3
- FKERUJTUOYLBKB-UHFFFAOYSA-N pyrazoxyfen Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(=O)C=1C(C)=NN(C)C=1OCC(=O)C1=CC=CC=C1 FKERUJTUOYLBKB-UHFFFAOYSA-N 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000004563 wettable powder Substances 0.000 description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000234653 Cyperus Species 0.000 description 2
- 241000192043 Echinochloa Species 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- FZERHIULMFGESH-UHFFFAOYSA-N N-phenylacetamide Chemical compound CC(=O)NC1=CC=CC=C1 FZERHIULMFGESH-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 244000184734 Pyrus japonica Species 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
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- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000009036 growth inhibition Effects 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- LOAUVZALPPNFOQ-UHFFFAOYSA-N quinaldic acid Chemical class C1=CC=CC2=NC(C(=O)O)=CC=C21 LOAUVZALPPNFOQ-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- FFJCNSLCJOQHKM-CLFAGFIQSA-N (z)-1-[(z)-octadec-9-enoxy]octadec-9-ene Chemical compound CCCCCCCC\C=C/CCCCCCCCOCCCCCCCC\C=C/CCCCCCCC FFJCNSLCJOQHKM-CLFAGFIQSA-N 0.000 description 1
- JECYNCQXXKQDJN-UHFFFAOYSA-N 2-(2-methylhexan-2-yloxymethyl)oxirane Chemical compound CCCCC(C)(C)OCC1CO1 JECYNCQXXKQDJN-UHFFFAOYSA-N 0.000 description 1
- UENGBOCGGKLVJJ-UHFFFAOYSA-N 2-chloro-1-(2,4-difluorophenyl)ethanone Chemical compound FC1=CC=C(C(=O)CCl)C(F)=C1 UENGBOCGGKLVJJ-UHFFFAOYSA-N 0.000 description 1
- GGZZISOUXJHYOY-UHFFFAOYSA-N 8-amino-4-hydroxynaphthalene-2-sulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C2C(N)=CC=CC2=C1O GGZZISOUXJHYOY-UHFFFAOYSA-N 0.000 description 1
- 241000254032 Acrididae Species 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 1
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
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- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
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- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
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- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
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- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
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- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は水田除草において薬剤施用の簡便なる投込み用
錠剤又はカプセルを提供し、またそれにより簡易な薬剤
処理方法を提供することにある。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The object of the present invention is to provide tablets or capsules for easy application of chemicals in paddy field weeding, and thereby to provide a simple method for chemical treatment.
「従来の技術」
従来、水田の除草方法特に水稲作初期〜中期の除草方法
としては除草成分を微粉末固型担体、他の補助剤と共に
製剤した微粒剤、粒剤をそのまま散布する方法、水和剤
を多量の水に希釈してから散布する方法が挙げられるが
、その細微粉末固型担体を使用しない方法としては除草
成分を有機溶剤に溶解した乳剤をそのまま散布する方法
、微粉砕した除草成分を水に分散・懸濁したフロワブル
剤をそのまま散布する方法が挙げられる。``Prior art'' Conventionally, methods for weeding rice fields, especially during the early to mid-stage of rice cultivation, include methods of spraying fine granules containing herbicidal ingredients in a finely powdered solid carrier and other adjuvants, spraying the granules as they are, and spraying the granules as they are. One method is to dilute the powder in a large amount of water and then spray it, but other methods that do not use a fine powder solid carrier include spraying an emulsion of the herbicidal ingredient dissolved in an organic solvent as it is, and another method that does not use a fine powder solid carrier. An example of this method is to directly spray a flowable agent in which the ingredients are dispersed or suspended in water.
「発明が解決しようとする問題点」
しかしながら微粒剤、粒剤、水和剤の施用に当っては、
薬剤を入れた重量のある散布器又は散粒器を持ち乍ら、
例えば通常は１０アール当り３〜４ｋｇの粒剤を散布す
るために水田を歩き廻ることによるか、或は畦畔から大
型のナイアガラホースを用いることにより、薬剤を万遍
なく均一に散布しなければならない。従って薬剤の運搬
、散布作業は過酷な労力を必要とするだけでなく、水稲
苗もしばしば損傷するためその生育上望ましくない。``Problems to be solved by the invention'' However, when applying fine granules, granules, and wettable powders,
While carrying a heavy sprayer or granulator containing a chemical,
For example, the chemical must be spread evenly and evenly by walking around the rice fields or using a large Niagara hose from the ridges to spray 3 to 4 kg of granules per 10 ares. It won't happen. Therefore, transportation and spraying of chemicals not only requires severe labor, but also often damages rice seedlings, which is undesirable for their growth.
乳剤、フロワブル剤の施用に当っても、薬剤重量は或程
度軽減され大型の散布器を必要としないものの一定薬量
を吐出する容器を使用する必要があり、更に均一な薬剤
散布には依然として水田を歩き廻る必要がある。本発明
は従来方法の前述の欠点を解決し、特別の薬剤散布器を
用いずに簡易な方法により、水田の除草を行なうことに
ある。When applying emulsions and flowables, although the weight of the drug is reduced to some extent and a large sprayer is not required, it is necessary to use a container that dispenses a constant amount of the drug, and furthermore, evenly distributing the drug still requires the use of rice paddies. It is necessary to walk around. The present invention solves the above-mentioned drawbacks of the conventional methods and aims to weed rice fields by a simple method without using a special chemical sprayer.
「発明の開示」
本発明は、水田に施用した薬量の全量が実質的に田水に
溶解する除草成分、界面活性剤並びに結合剤を含有する
ことを特徴とする水田除草用錠剤又はカプセルであり、
また当該錠剤又はカプセルを１０アール当りＩＯケ〜２
００ケ、かつ錠剤又はカプセルの総重量が２００−１，
５００ｇになるように、湛水した水田に施用し、実質的
に除草成分の全量を田水中に溶解、分散せしめることを
特徴とする水田除草方法である。"Disclosure of the Invention" The present invention provides a tablet or capsule for weeding rice fields, characterized in that the entire amount of the drug applied to rice fields contains a herbicidal component, a surfactant, and a binder that are substantially soluble in rice water. can be,
Also, the tablets or capsules are
00 pieces, and the total weight of the tablet or capsule is 200-1,
This method of weeding rice fields is characterized in that it is applied to flooded rice fields in an amount of 500 g to dissolve and disperse substantially all of the herbicidal ingredients in the rice water.
本発明において、水田に施用した薬量の全量が実質的に
山水に溶解すると規定した除草成分とは次のことを意味
する。即ち実質的に水稲苗に薬害を与えないが除草効果
を奏するに十分な薬量っまり実用薬量の除草成分を水田
に施用し、その全量か田水に溶解すると仮定したとき、
当該除草成分の田水濃度が除草成分の水に対する溶解度
（２５’Ｃ）以下である除草成分を意味する。当該除草
成分の具体例としては例えばＮ−［（４，６−ジメトキ
シピリミジン−２−イル）アミノカルボニル１−３−メ
チル−５−（２−クロロ−２，２−ジフルオロエトキシ
−４−イソチアゾールスルホンアミド（Ａ−１）、メチ
ル−α−（４，６−シメトキシピリミジンー２−イルカ
ルバモイルスルファモイル）−ｏ −ｌ・ルイレー１−
（Ａ−２） 、Ｎ−［（４，６−シメトキシピリミジ
ンー２−イル）アミノカルボニル１−４−工トキシカル
ボニル−１−メチル−２−ピラゾールスルホンアミド、
Ｎ−（２−クロロイミダゾ［１，２−ａ］ ピリジン−
３−イルスルホニル）−Ｎ’ −（４，６−ジメトキ
シ−２−ピリミジニル）ウレア、３−（４，６−ジメト
キシ−Ｌ３，５−１−リアジン−２−イル）−１−［２
−（２−メＩ・キシエトキシ）−フェニルスルホニル］
ウレアなどのスルホンアミド類；２−メチルチオ−４，
６−ビス（エチルアミノ）−８−トリアジン（Ａ−５）
、２−メチルチオ−４−エチルアミノ−６−（１，２−
ジメチルプロピルアミノ）−ｓ−トリアジンなどのトリ
アジン類；３，７−ジクロロ−８−キノリンカルボン酸
（Ａ−３）のようなキノリンカルボン酸類；２−クロロ
−２′，６′−ジエチル−Ｎ−（２−プロポキシエチル
）アセトアニリド、２−クロロ−２′、６−ジニチルー
Ｎ−（ブトキシメチル）アセトアニリド、２−ベンゾチ
アゾール−２−イルオキシ−Ｎ−メチルアセトアニリド
、Ｎ−［２’−（３’−メトキシ）−チエニルメチル］
−Ｎ−クロロアセト−２，６−シメチルアニリド、２′
，６′−ジエチル−Ｎ−［（２−シス−ブテノオキシ）
メチル１−２−クロロアセトアニリドなどのアニリド類
；エキソ−！−メチルー４−（ｌ−メチルエチル）−２
−［（２−メチルフェニル）メトキシ−７−オキサビシ
クロ［２，２，１］ヘプタン、Ｓ、Ｓ−ジメチル−２−
ジフルオロメチル−４−（２−メチルプロピル）−６−
（トリフルオロメチル’） −３，５−ピリジンジカル
ボチオエート、２−（３，５−ジクロロフェニル）−２
−（２，２，２−ｔ−リクロロエチル）オキシランなど
が挙げられるが、水への溶解性、水稲、雑草への作用効
果などを考慮すると、スルホンアミド類、トリアジン類
、キノリンカルボン酸類が望ましい。In the present invention, the herbicidal component that is defined as being substantially soluble in the mountain water in its entirety when applied to rice fields means the following. That is, assuming that a herbicidal ingredient is applied to a paddy field in a practical amount that does not substantially cause phytotoxicity to rice seedlings but has a herbicidal effect, and that the entire amount is dissolved in the rice water,
It means a herbicidal component whose concentration in rice water is lower than the solubility of the herbicidal component in water (25'C). Specific examples of the herbicidal component include N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl 1-3-methyl-5-(2-chloro-2,2-difluoroethoxy-4-isothiazole). Sulfonamide (A-1), methyl-α-(4,6-cymethoxypyrimidin-2-ylcarbamoylsulfamoyl)-o-l・Luire 1-
(A-2), N-[(4,6-cymethoxypyrimidin-2-yl)aminocarbonyl 1-4-ethoxycarbonyl-1-methyl-2-pyrazole sulfonamide,
N-(2-chloroimidazo[1,2-a]pyridine-
3-ylsulfonyl)-N'-(4,6-dimethoxy-2-pyrimidinyl)urea, 3-(4,6-dimethoxy-L3,5-1-riazin-2-yl)-1-[2
-(2-methoxyethoxy)-phenylsulfonyl]
Sulfonamides such as urea; 2-methylthio-4,
6-bis(ethylamino)-8-triazine (A-5)
, 2-methylthio-4-ethylamino-6-(1,2-
triazines such as dimethylpropylamino)-s-triazine; quinolinecarboxylic acids such as 3,7-dichloro-8-quinolinecarboxylic acid (A-3); 2-chloro-2',6'-diethyl-N- (2-Propoxyethyl)acetanilide, 2-chloro-2', 6-dinityl-N-(butoxymethyl)acetanilide, 2-benzothiazol-2-yloxy-N-methylacetanilide, N-[2'-(3'- methoxy)-thienylmethyl]
-N-chloroaceto-2,6-dimethylanilide, 2'
,6'-diethyl-N-[(2-cis-butenooxy)
Anilides such as methyl 1-2-chloroacetanilide; exo-! -Methyl-4-(l-methylethyl)-2
-[(2-methylphenyl)methoxy-7-oxabicyclo[2,2,1]heptane, S,S-dimethyl-2-
Difluoromethyl-4-(2-methylpropyl)-6-
(trifluoromethyl')-3,5-pyridinedicarbothioate, 2-(3,5-dichlorophenyl)-2
-(2,2,2-t-lichloroethyl)oxirane, etc., but sulfonamides, triazines, and quinoline carboxylic acids are preferable in consideration of solubility in water, effect on paddy rice and weeds, etc.
前記除草成分に関しては、例えば除草成分Ａ−２は水稲
作初期〜中期除草剤の実用薬量として普通１０アール当
り５〜７．５ｇ施用されるが、その場合湛水深５ ｃｍ
と仮定したとき田水濃度は０．１〜０゜１５ｐｐｍにな
り、一方Ａ−２の溶解度（２５°Ｃ）は８ ｐｐｍであ
るので、Ａ−２は本発明の除草成分に該当する。しかし
ながら、除草成分４−（２，４−ジクロロベンゾイル）
−１，３−ジメチル−５−フェナシルオキシピラゾー
ル（Ａ−４）は水稲作初期から中期除草剤の実用薬量と
して普通１０アール当り１８０〜３００ｇ施用され、湛
水源５ｃｍの田水濃度は３．６〜６ ｐｐｍになるかＡ
−４の溶解度（２５°Ｃ）は０．９ ｐｐｍであるので
Ａ−４は本発明の除草成分に該当しない。このことに関
しては、前記除草成分Ａ−２はＡ−４に比し錠剤又はカ
プセルにへの含有量か少ないために製剤し易いだけでな
く、製剤品を水田に施用した場合でも、Ａ−２は田水中
に速やかに溶解し広く拡散して均一に分散するのに対し
、Ａ−４は固型物の状態で水底に沈降、余り溶解せず分
散し難いためである。Regarding the above herbicidal ingredients, for example, herbicidal ingredient A-2 is usually applied in a practical dosage of 5 to 7.5 g per 10 ares as a herbicide in the early to middle stages of paddy rice cultivation, but in that case, the water depth is 5 cm.
Assuming that, the concentration in rice field water is 0.1 to 0.15 ppm, and the solubility of A-2 (at 25° C.) is 8 ppm, so A-2 corresponds to the herbicidal component of the present invention. However, the herbicidal ingredient 4-(2,4-dichlorobenzoyl)
-1,3-dimethyl-5-phenacyloxypyrazole (A-4) is usually applied at a practical dosage of 180 to 300 g per 10 ares as a practical herbicide from the early to mid-stage of paddy rice cultivation, and the concentration of paddy water 5 cm from the flooded source is 3. .6 to 6 ppm A
Since the solubility (25°C) of A-4 is 0.9 ppm, A-4 does not correspond to the herbicidal component of the present invention. In this regard, the herbicidal ingredient A-2 is not only easier to formulate because it is contained in tablets or capsules in a smaller amount than A-4, but even when the formulation is applied to paddy fields, A-2 This is because A-4 quickly dissolves in rice water, spreads widely, and is uniformly dispersed, whereas A-4 settles to the bottom of the water in a solid state and does not dissolve much and is difficult to disperse.
本発明で用いられる界面活性剤は除草成分、結合剤など
に親水性を与えるものであり、例えばドデシルベンゼン
スルホン酸ナトリウム、ジアルキルスルホサクシネート
、ラウリル硫酸ナトリウム、リグニンスルホン酸ナトリ
ウム、ポリオキシエチレンアルキルアリールエーテルサ
ルフェート、β−ナフタレンスルホン酸ナトリウムホル
マリン縮合物、ジナフタレンメタンスルホネート、アル
キルアリルスルホン酸ナトリウム、アルキルナフタレン
スルホン酸ナトリウムなどの陰イオン系界面活性剤：ポ
リオキシエチレンノニルフェニルエーテル、ポリオキシ
エチレンオレイルエーテル、ソルビタンモノステアレー
１・、ポリオキシエチレンオレイン酸エステル、ポリオ
キシエチレンアルキルアリールエーテル、ポリオキシエ
チレンアルキルエーテル、ソルビタンモノオレー１へ、
ポリオキシエチレンソルビタンモノラウレ−１・、ポリ
オキシエチレン脂肪酸エステル、ポリオキシエチレンス
チリルフェニルエーテルなどの非イオン系界面活性剤が
挙げられる。界面活性剤はこれらのものを１種或は２種
以上の混合物として使用してもよく、また陰イオン系及
び非イオン系のものの混合物として１史用してもよい。The surfactant used in the present invention is one that imparts hydrophilicity to herbicidal ingredients, binders, etc., and includes, for example, sodium dodecylbenzenesulfonate, dialkyl sulfosuccinate, sodium lauryl sulfate, sodium lignin sulfonate, and polyoxyethylene alkylaryl. Anionic surfactants such as ether sulfate, sodium β-naphthalene sulfonate formalin condensate, dinaphthalene methanesulfonate, sodium alkylaryl sulfonate, sodium alkylnaphthalene sulfonate: polyoxyethylene nonylphenyl ether, polyoxyethylene oleyl ether , sorbitan monostear 1, polyoxyethylene oleate, polyoxyethylene alkylaryl ether, polyoxyethylene alkyl ether, sorbitan monostear 1,
Examples include nonionic surfactants such as polyoxyethylene sorbitan monolaure-1, polyoxyethylene fatty acid ester, and polyoxyethylene styrylphenyl ether. These surfactants may be used alone or as a mixture of two or more thereof, or may be used as a mixture of anionic and nonionic surfactants.
また本発明で用いられる結合剤は除草成分の粒子を結合
するものであって望ましくは水溶性のものてあり、例え
ばカルボキシメチルセルロース、その塩、ステアリン酸
、その塩、デキストリン、ポリエチレングリコール、澱
粉類などが挙げられる。界面活性剤及び結合剤の使用は
必須であるが、それらの選択に当っては除草成分の種類
、製剤全体の配合割合により異なるため、実際には試行
錯誤的は実験によって適当なものを選抜されねばならな
い。The binder used in the present invention binds the particles of the herbicidal component and is preferably water-soluble, such as carboxymethyl cellulose, its salt, stearic acid, its salt, dextrin, polyethylene glycol, starch, etc. can be mentioned. Although it is essential to use surfactants and binders, their selection varies depending on the type of herbicidal ingredient and the proportion of the entire formulation, so in reality, it is not a matter of trial and error, but rather the selection of suitable ones through experiments. Must be.
本発明の水田除草用錠剤又はカプセルは前記除草成分、
界面活性剤及び結合剤を含有するものであり、例えば前
記除草成分を１重量部に対し、界面活性剤を０．１〜２
０重量部並びに結合剤を０．１〜２０重量部の比率で含
有するものであるが、勿論前述の範囲外のものても所期
の効果を示す限り、本発明に含まれる。また、本発明の
錠剤又はカプセルは前述の３成分以外に酸性物７質、発
泡剤、固型担体、他の農薬助剤を含有することができる
。The tablet or capsule for weeding rice fields of the present invention has the above-mentioned herbicidal ingredients,
It contains a surfactant and a binder, for example, 0.1 to 2 parts of the surfactant per 1 part by weight of the herbicidal component.
0 parts by weight and 0.1 to 20 parts by weight of the binder, but of course materials outside the above range are also included in the present invention as long as they exhibit the desired effect. Furthermore, the tablet or capsule of the present invention may contain, in addition to the above-mentioned three components, seven acidic substances, a foaming agent, a solid carrier, and other agricultural chemical auxiliaries.
更に本発明の前記除草成分の水に対する溶解性、分散性
を大きく損なわない限り本発明の前記除草成分以外の除
草成分、殺菌成分、殺虫成分、植物生育調整成分、肥料
成分なども適宜含有することもてきる。酸性物質として
はクエン酸、酒石酸、Ｍ酸、コハク酸、マレイン酸、フ
タル酸、リンゴ酸、アジピン酸などの好機酸；リン酸二
水素ナトリウム、リン酸二水素カリウム、リン酸二水素
アンモニウム、硫酸水素カリウムなど水素塩が挙げられ
、発泡剤としては水又は酸と反応してガスを発生するも
のであって、例えば炭酸すｌ・リウム、炭酸カリウム、
炭酸カルシウム、炭酸マグネシウムなどの炭酸塩；重炭
酸ナトリウム、重炭酸カリウムなどの重炭酸塩；過炭酸
ナトリウムのような過炭酸塩；カルシウムカーバイド、
炭酸アンモニウムなどが挙げられる。また固型担体とし
てはカオリン、タルク、クレー、ベントナイト、微粉末
シリカ、ジ−クライトなどの鉱物性微粉末；無水硫酸ナ
トリウム、尿素などが挙げられ、他の農薬助剤としては
通常使用される溶剤、分解防止剤、薬害軽減剤、分散安
定剤、崩壊剤、乾燥剤などが挙げられる。それらの使用
量は一概に規定することはできないが、一般に錠剤又は
カプセル全体に占める比率として酸性物質は１０〜５０
重量部、発泡剤は１０〜９０重量部、固型担体は０．１
〜９０重量部並びに他の農薬助剤は０．１〜２０重量部
である。酸性物質及び発泡剤を使用した場合、水に対す
る除草成分の溶解性及び分散性が向上するのでそれらの
使用は好ましい。Furthermore, it may contain herbicidal ingredients other than the herbicidal ingredients of the present invention, fungicidal ingredients, insecticidal ingredients, plant growth regulating ingredients, fertilizer ingredients, etc., as appropriate, as long as they do not significantly impair the water solubility and dispersibility of the herbicidal ingredients of the present invention. I can bring it. Acidic substances include opportunistic acids such as citric acid, tartaric acid, M acid, succinic acid, maleic acid, phthalic acid, malic acid, and adipic acid; sodium dihydrogen phosphate, potassium dihydrogen phosphate, ammonium dihydrogen phosphate, and sulfuric acid. Examples include hydrogen salts such as potassium hydrogen, and blowing agents that generate gas by reacting with water or acids, such as sulfur and lithium carbonates, potassium carbonate,
Carbonates such as calcium carbonate and magnesium carbonate; Bicarbonates such as sodium bicarbonate and potassium bicarbonate; Percarbonates such as sodium percarbonate; Calcium carbide,
Examples include ammonium carbonate. Examples of solid carriers include fine mineral powders such as kaolin, talc, clay, bentonite, finely powdered silica, and zicrite; anhydrous sodium sulfate, urea, etc.; and other agrochemical auxiliaries include commonly used solvents. , decomposition inhibitors, phytotoxicity reducers, dispersion stabilizers, disintegrants, desiccants, and the like. Although the amount of these substances to be used cannot be categorically specified, generally the proportion of acidic substances in the entire tablet or capsule is 10 to 50.
parts by weight, blowing agent: 10 to 90 parts by weight, solid carrier: 0.1
~90 parts by weight as well as 0.1 to 20 parts by weight of other agrochemical auxiliaries. The use of acidic substances and blowing agents is preferred since they improve the solubility and dispersibility of the herbicidal component in water.
本発明の錠剤又はカプセルは通常、医薬分野で実施され
る方法或はそれに準じた方法により容易に製造される。The tablet or capsule of the present invention is usually easily manufactured by a method practiced in the pharmaceutical field or a method analogous thereto.
一般に、前記除草成分か固体の場合、水への溶解性及び
分散性を高めるために予め粉砕することにより、粒径が
ｌ〜２００μ、望ましくは１−１００μの微細粒子とし
て使用する。In general, if the herbicidal component is a solid, it is used as fine particles having a particle size of 1 to 200 μm, preferably 1 to 100 μm, by crushing it in advance to improve its solubility and dispersibility in water.
錠剤の製造方法としては、例えば、除草成分と界面活性
剤と結合剤とを３成分同時に混合するか或は予め混合し
た２成分に他の１成分を混ぜることにより３成分を均一
に混合し、粒径ｌ〜２００μに粉砕し、これを打錠機を
用いて通常の方法に従い圧縮成型することにより錠剤化
する。ここで酸性物質又は発泡剤を使用する場合、これ
らを予め結合剤と均一に混合し粉砕してから除草成分及
び界面活性剤と混合する方法、また固体担体又は他の農
薬助剤を使用する場合、これを予め除草成分、界面活性
剤と均一に混合し粉砕して水和剤を形成してから結合剤
と混合する方法などが挙げられる。As a method for manufacturing tablets, for example, the herbicidal component, the surfactant, and the binder are mixed together at the same time, or the two pre-mixed components are mixed with another component, thereby uniformly mixing the three components. The powder is crushed to a particle size of 1 to 200 μm, and then compressed into tablets using a tablet machine according to a conventional method. When acidic substances or blowing agents are used here, they are mixed uniformly with a binder in advance, pulverized, and then mixed with herbicidal ingredients and surfactants, or when solid carriers or other agricultural chemical auxiliaries are used. Examples include a method in which this is uniformly mixed with a herbicidal component and a surfactant in advance, pulverized to form a wettable powder, and then mixed with a binder.
前述の錠剤の製造方法は勿論、薬効、製剤性などを考慮
し適宜変更され、適当なものが実施される。Of course, the above-mentioned method for manufacturing tablets may be modified as appropriate in consideration of medicinal efficacy, formulation properties, etc., and an appropriate method may be implemented.
錠剤はその製造方法、打錠機などの相異により、円形板
状、長円形板状、角形板状、棒状、楕円球状など種々の
形状、大きさのものとして製造される。錠剤の形状によ
って薬効が大きく影響されるものでないので、いずれの
形状、大きさ、重さのものてあってもよいか、形状がタ
ブレット状で大きさが直径１〜５ｃｍ厚さ０．２〜３ｃ
ｍ、重さ１〜１５０ｇのものが製剤上、薬剤施用上好ま
しい。Tablets are manufactured in various shapes and sizes, such as circular plates, elliptical plates, square plates, rods, and elliptical spheres, depending on the manufacturing method and tablet press. Since the medicinal efficacy is not greatly affected by the shape of the tablet, any shape, size, and weight may be used.Tablet-like shapes with a diameter of 1 to 5 cm and a thickness of 0.2 to 5 cm are acceptable. 3c
m, and a weight of 1 to 150 g is preferred from the viewpoint of formulation and drug application.
本発明のカプセルの製造方法としては、例えば除草成分
、界面活性剤及び結合剤を均一に混合し、必要ならば酸
性物質、固体担体又は池の農薬助剤を加えてそれらを均
一に混合し、わ）砕した粉砕物を粒径■μ〜１．５ｎｕ
ｎに造粒し、この顆粒をポリビニルアルコール、水溶性
セルロース、ゼラチンなどて作製したカプセルに充填す
るか或は造粒せずに前記粉砕物、水和剤をそのままカプ
セルに充填する。このカプセルも錠剤の場合と同様形状
、大きさ、重さかいずれのものでもよいか、形状が楕円
球状で大きさが直径１”−１０ｃｍ長さｌ−１０ｃｍ、
重さ１〜１５０ｇのものが好ましい。また本発明のカプ
セルについては前述のごとく製剤したものの外に、前記
粉砕物又は水和剤をカプセル容器に充填せず１．そのま
まポリビニルアルコール、水溶性セルロース、ゼラチン
などの水溶性フィルムにより包んだものも含む。The method for manufacturing the capsules of the present invention includes, for example, uniformly mixing a herbicidal component, a surfactant, and a binder, adding an acidic substance, a solid carrier, or a pesticide auxiliary if necessary, and mixing them uniformly; W) The crushed material has a particle size of ■ μ ~ 1.5 nu.
The granules are then filled into capsules made of polyvinyl alcohol, water-soluble cellulose, gelatin, etc., or the pulverized product and wettable powder are directly filled into capsules without granulation. These capsules may have the same shape, size, and weight as tablets;
Preferably, the weight is 1 to 150 g. In addition to the capsules of the present invention formulated as described above, the pulverized product or hydrating agent is not filled into the capsule container. It also includes those wrapped as they are in water-soluble films such as polyvinyl alcohol, water-soluble cellulose, and gelatin.
本発明の錠剤又はカプセルは、湛水した水田に施用する
と、普通−旦水底に沈降するが、水との接触により除草
成分が田水中に速やかに溶出、水中を拡散して均一に分
散する。酸性物質及び発泡剤を使用した錠剤又はカプセ
ルは水底に沈降後ガスの発生により水中乃至水面に浮遊
し、その崩壊か速まり、除草成分の溶解性、分散性も一
層促進される。また水田においては昼夜の気温差、水深
の違いなどにより田水に対流か生しるので、それによっ
ても除草成分の分散は促進される。かくして本発明では
薬剤投与俊速やかに実質的に除草成分の全量を田水中に
溶解、分散させることができ、例えば数時間〜数日間後
に田水中に除草成分を均一に分布させることかできるの
で、水稲に薬害を与えず雑草を万遍なく防除することが
できる。When the tablets or capsules of the present invention are applied to flooded paddy fields, they usually settle to the bottom of the water, but upon contact with water, the herbicidal ingredients are quickly eluted into the water and diffused through the water to be uniformly dispersed. Tablets or capsules using acidic substances and effervescent agents settle to the bottom of the water and then float in the water or on the water surface due to the generation of gas, which accelerates their disintegration and further promotes the solubility and dispersibility of herbicidal ingredients. In addition, in rice fields, the difference in temperature between day and night and the difference in water depth causes convection in the rice water, which also promotes the dispersion of the herbicidal ingredients. Thus, in the present invention, substantially the entire amount of the herbicidal component can be dissolved and dispersed in the rice field water quickly after drug administration, and for example, the herbicidal component can be uniformly distributed in the rice field water after several hours to several days. It is possible to uniformly control weeds without causing chemical damage to paddy rice.
本発明においては錠剤又はカプセルを１０アール当りＩ
Ｏケ〜２００ケ、かつ錠剤又はカプセルの総重量が２０
０〜ｌ、 ５００ ｇになるように施用するが、この範
囲を大きく逸脱すると薬効、薬害上望ましくなく、或は
散布作業に多大の労力を要する。望ましい施用方法につ
いては錠剤又はカプセルの製造方法、大きさ、除草成分
、界面活性剤、結合剤及びその他の添加物の種類、配合
割合などの相違により一概に規定できないが、１０アー
ル当り除草成分５〜１５０ｇを錠剤又はカプセルｌケに
０．０５〜１５ｇ宛分割し、これを１０ケ〜１００ケ施
用する。かくして錠剤又はカプセルは１０〜１００ｍ２
にｌケ宛施用すればよく、従って水田に入らず畦畔から
当該面積の水田に投込めばよいので、散布作業は簡単で
あり、従来の薬剤施用方法に比して有利である。In the present invention, tablets or capsules are
0 to 200, and the total weight of the tablet or capsule is 20
It is applied in an amount of 0 to 500 g; however, if the amount is significantly outside this range, it is undesirable in terms of medicinal efficacy and toxicity, or the spraying operation requires a great deal of effort. The preferred method of application cannot be determined unconditionally due to differences in the manufacturing method of tablets or capsules, size, types of herbicidal ingredients, surfactants, binders, and other additives, blending ratio, etc., but the herbicidal ingredient 5 per 10 ares Divide ~150g into 1 tablet or capsule of 0.05~15g, and apply 10~100 tablets or capsules. Thus tablets or capsules are 10-100 m2
It is only necessary to apply the agent to one area per area, and therefore, it is only necessary to dump it into the rice field of the relevant area from the ridge without entering the rice field, so the spraying work is simple and is advantageous compared to conventional chemical application methods.
本発明は、一般に移植水稲の場合稚苗移植５日〜１５日
後、直播水稲の場合播種１０日〜２０日後の水稲作初期
〜中期に適用したときに最も好ましい効果か得られるが
、前記錠剤又はカプセルを施用しても薬効、薬害上特に
支障を来さない限りその池の時期に適用することもでき
る。また本発明の前記錠剤又はカプセルは一旦適量の水
に溶解乃至分散させ、これを水田の局所に施用しても薬
効、薬害面で望ましい効果か得られる。Generally, the most favorable effect of the present invention can be obtained when applied in the early to middle stage of paddy rice cultivation, 5 to 15 days after transplanting young seedlings in the case of transplanted paddy rice, and 10 to 20 days after sowing in the case of directly sown paddy rice. As long as the application of capsules does not cause any particular problems in terms of medicinal efficacy or phytotoxicity, it can be applied at the particular pond season. Furthermore, even if the tablets or capsules of the present invention are once dissolved or dispersed in an appropriate amount of water and then applied locally to paddy fields, desirable effects in terms of medicinal efficacy and phytotoxicity can be obtained.
本発明に関する実施例を記載するが、この記載によって
本発明が何ら限定されるものではない。Examples related to the present invention will be described, but the present invention is not limited in any way by these descriptions.
「実施例」
例１ （製剤例）
各製剤例で用いられた成分とその部名を下記する。各成
分の使用量は重量基準で表わす。"Examples" Example 1 (Formulation Examples) The components and part names used in each formulation example are shown below. The amount of each component used is expressed on a weight basis.
除草成分（Ａ）
Ａ−１： Ｎ−（（４，６−ジメトキシビリミジン−２
−イル）アミノカルボニルツー３−メチル−５−（２−
クロロ−２，２−ジフルオロエトキシ）−４−イソチア
ゾールスルホンアミド
Ａ−２：メチル−α−（４，６−ジメトキシピリミジン
−２−イルカルバモイルスルファモイル）−ｏ−トルイ
レート
Ａ−３：３．７−ジクロロ−８−キノリンカルボン酸
Ａ−４＋ ４−（２，４−ジクロロベンゾイル） −１
，３−ジメチル−５−フェナシルオキシピラゾール
Ａ−５：２−メチルチ第４，６−ビス（エチルアミノ）
−ｓ −ｌ−リアジン
界面活性剤（Ｂ）
Ｂ−１：ポリオキシエチレンノニルフェニルエーテル５
０％及び微粉末シリカ５０％混合物（商品名、デイクス
ゾール：第一工業製薬製造）
Ｂ−２＝ポリオキシエチレンアルキルアリールエーテル
サルフエート（商品名、ツルポール５０３９ ：東邦化
学工業製造）
Ｂ−３：ナフタレンスルホン酸ナトリウムホルマリン縮
合物（商品名、ラベリンＦＡＮ：第−工業製薬製造）
酸性物値（Ｃ）
Ｃ−１：コハク酸
発泡剤（Ｄ）
Ｄ−１：重炭酸ソーダ
Ｄ−２：炭酸ソーダ
結合剤（Ｅ）
Ｅ−１：カルボキシメチルセルロースナトリウム（商品
名、セロゲンーＰＲ：第−工業製薬製造）
固型担体（Ｆ）
Ｆ−１：微粉末シリカ（商品名、カープレックス：塩野
義製薬製造）
Ｆ−２ニジ−クライト
その池（Ｇ）
Ｇ−１部色素（商品名、食用青色１号（ブリリアントブ
ルーＦＣＦ）：試薬使用（東京化成））製剤例イーａ−
■
Ｃ−１４２，４部、Ｅ−１５，２部、Ｄ−１３１，４部
及びＤ−２２１，０部を均一に混合し粉砕して配合物を
得た。予め乳鉢で粒径５〜ＩＯμ程度に摩り潰したＡ−
１０，４６％及びＡ−３３，３４％とＢ−１３，８％と
前記配合物９２．４％とを混合し、マイクロサンプルミ
ル（ＡＰ−３型、抽出工業製造）で微粉化して粉砕物を
得た。この粉砕物４８．２ ｇを、打錠機を用いて圧力
１５０〜１６０ ｋｇ／ｃＩ［ｒで２分間圧縮成型して
直径５ｃｍ、厚さ１．６ ｃｍの錠剤１ケ（４８，０ｇ
）を得た。Herbicidal ingredient (A) A-1: N-((4,6-dimethoxypyrimidine-2
-yl)aminocarbonyl-3-methyl-5-(2-
Chloro-2,2-difluoroethoxy)-4-isothiazolesulfonamide A-2: Methyl-α-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-o-toluylate A-3: 3. 7-dichloro-8-quinolinecarboxylic acid A-4+ 4-(2,4-dichlorobenzoyl) -1
,3-dimethyl-5-phenacyloxypyrazole A-5:2-methylthi-4,6-bis(ethylamino)
-s -l-Ryazine surfactant (B) B-1: Polyoxyethylene nonylphenyl ether 5
0% and a 50% mixture of fine powder silica (trade name, Deixsol: manufactured by Daiichi Kogyo Seiyaku) B-2 = Polyoxyethylene alkylaryl ether sulfate (trade name, Tsurpol 5039: manufactured by Toho Chemical Industries) B-3: Naphthalene Sodium sulfonate formalin condensate (trade name, Labelin FAN: Dai-Kogyo Seiyaku Manufacturing) Acidity value (C) C-1: Succinic acid blowing agent (D) D-1: Sodium bicarbonate D-2: Sodium carbonate binder ( E) E-1: Sodium carboxymethylcellulose (trade name, Celogen-PR: manufactured by Dai-Kogyo Seiyaku) Solid carrier (F) F-1: Fine powder silica (trade name, Carplex: manufactured by Shionogi & Co., Ltd.) F-2 Nijikrite Sonoike (G) G-1 Part Dye (Product name, Food Blue No. 1 (Brilliant Blue FCF): Reagent used (Tokyo Kasei)) Formulation example E a-
(4) 4 parts of C-142, 2 parts of E-15, 4 parts of D-131 and 1.0 part of D-22 were uniformly mixed and pulverized to obtain a blend. A- ground in a mortar in advance to a particle size of 5 to IOμ
10.46%, A-33.34%, B-13.8%, and 92.4% of the above blend were mixed and pulverized using a micro sample mill (AP-3 model, manufactured by Extract Kogyo) to obtain a pulverized product. I got it. 48.2 g of this pulverized material was compression-molded for 2 minutes using a tablet press at a pressure of 150 to 160 kg/cI [r] to form 1 tablet (48.0 g) with a diameter of 5 cm and a thickness of 1.6 cm.
) was obtained.
製剤例イーａ−■
前記製剤例イーａ−■の粉砕前の混合物に色素Ｇ−１を
全重量の２％程度加えた以外は前記製剤例イーａ−■の
場合と同様にして、粉砕物３８．６ｇを打錠機を用いて
直径５ ａｍ厚さ１．３ ｃｍの錠剤１ケ（３８，４ｇ
）を得た。Formulation Example E a-■ A pulverized product was prepared in the same manner as in Formulation Example E a-■, except that about 2% of the total weight of dye G-1 was added to the mixture of Formulation Example E a-■ before pulverization. One tablet (38.4 g) with a diameter of 5 am and a thickness of 1.3 cm was prepared using a tablet press.
) was obtained.
製剤例イーｂ
前記配合物としてＥ−１５，２部、Ｄ−１７３，８部及
びＤ−２２１，０部の組成を有するものを用いる以外は
前記製剤例イーａ−■の場合と同様にして、打錠機を用
いて粉砕物３８．６ ｇを圧縮成型して直径５ ｃｍ、
厚さ１．６ ｃｍの錠剤１ｒ（３８，４ｇ）を得た。Formulation Example E b The same procedure as in Formulation Example E a-■ was used except that the formulation had a composition of 2 parts of E-15, 8 parts of D-173, and 1.0 parts of D-22. , 38.6 g of the pulverized material was compressed and molded using a tablet machine to a diameter of 5 cm.
Tablets 1r (38.4 g) with a thickness of 1.6 cm were obtained.
製剤例イーＣ
前記製剤例イーａ−■の配合物と同じ組成を有する配合
物３８．０８％、Ａ−４３０，９６％及びＢ−１３０，
９６％を混合し粉砕する以外は前記製剤例イーａ−■の
場合と同様にして、打錠機を用いて粉砕物３８．６ ｇ
を圧縮成型して直径５ ｃ＋ｎ、厚さ１．６ ｃｍの錠
剤１ケ（３８，４ｇ）を得た。Formulation Example EC A formulation having the same composition as the formulation of Formulation Example E a-■ 38.08%, A-430, 96% and B-130,
38.6 g of the pulverized product was prepared using a tablet press in the same manner as in the case of Formulation Example E a-① except that 96% of the mixture was mixed and pulverized.
One tablet (38.4 g) with a diameter of 5 c+n and a thickness of 1.6 cm was obtained by compression molding.
製剤例イーｄ
前記製剤例イーａ−■の場合と同様にして実施し、打錠
機を用いて粉砕物１０．７ ｇを圧縮成型して直径２．
５ｃｍ、厚さ０．８ ｃｍの錠剤１ケ（ｌｏ、５ｇ）を
得た。Formulation Example E d It was carried out in the same manner as in the case of Formulation Example E a-①, and 10.7 g of the pulverized product was compression molded using a tablet press to give a diameter of 2.5 g.
One tablet (lo, 5 g) of 5 cm and 0.8 cm thickness was obtained.
製剤例イーｅ
前記製剤例イーａ−■において、Ａ−１１，２部、Ａ−
３８，８部、Ｂ−２３，０部、Ｂ−３２、０部、Ｆ−１
６部及びＦ−２７９，０部からなる水和剤３７．９％と
前記配合物６２．１％とを用い前記製剤例イーａ−■の
場合と同様にして実施し、打錠機を用いて粉砕したちの
１０．７ ｇを圧縮成型して直径２．５ ｃｍ、厚さ０
．８ ｃｍの錠剤１ケ（１０，５ｇ）を得た。Formulation Example E e In the Formulation Example E a-■, A-11, 2 parts, A-
38, 8 copies, B-23, 0 copies, B-32, 0 copies, F-1
It was carried out in the same manner as in the case of the above formulation example E a-■ using 37.9% of a hydrating powder consisting of 6 parts and 0 parts of F-279, and 62.1% of the above formulation, and using a tablet press. 10.7 g of crushed powder was compression molded to a diameter of 2.5 cm and a thickness of 0.
．． One 8 cm tablet (10.5 g) was obtained.
製剤例イーｆ
前記製剤例イーｅの場合と同様にして実施し、粉砕した
ちの４８．２ ｇから直径５ｃｍ、厚さ１．６ ｃｍの
錠剤ｌケ（４８，０ｇ）を得た。Formulation Example E f The procedure was carried out in the same manner as in Formulation Example E e, and one tablet (48.0 g) with a diameter of 5 cm and a thickness of 1.6 cm was obtained from 48.2 g of the crushed product.
製剤例イーｇ
前記製剤例イーａ−のにおいてＡ−２０，５２％、Ａ−
３３，３３％、Ｂ−１３，８５％及び前記配合物９２．
３％を用い、前記製剤例イーａ−Ａの場合と同様にして
実施し、粉砕物４８．２ ｇから直径５ ｃｍ、厚さ１
．６ ｃｍの錠剤１ケ（４８，０ｇ）を得た
製剤例イーｈ
前記製剤例イーａ−■においてＡ−２１，３５部、Ａ−
３８゜６５部、Ｂ−２３，０部、Ｂ−３２、０部、Ｆ−
１６，０部及びＦ−２７９，０部からなる水和剤３８．
５３％と前記配合物６１．４７％を用い、前記製剤例イ
ーａ−■の場合と同様にして実施し、粉砕物４８．２
ｇから直径５ ｃｍ、厚さ１、６ ｃｍの錠剤１ケ（４
８，０ｇ）を得た。Formulation Example Eg In the above Formulation Example Ea-, A-20,52%, A-
33,33%, B-13,85% and said formulation 92.
Using 3%, it was carried out in the same manner as in the case of Formulation Example E a-A, and from 48.2 g of the crushed product, a diameter of 5 cm and a thickness of 1 was obtained.
．． Formulation Example Eh where one 6 cm tablet (48.0 g) was obtained In the Formulation Example E a-■, 35 parts of A-21, A-
38° 65 copies, B-23, 0 copies, B-32, 0 copies, F-
38. Wettable powder consisting of 16.0 parts and F-279.0 parts.
It was carried out in the same manner as in the case of Formulation Example E a-■ using 53% and 61.47% of the above formulation, and the crushed product was 48.2%.
1 tablet with a diameter of 5 cm and a thickness of 1.6 cm (4
8.0 g) was obtained.
製剤例イーｉ
前記製剤例イーａ−■においてＡ−１０，４５５％、Ａ
−３３，３４％、Ａ−５１，５３％、Ｂ−１５，３３％
及び前記配合物８９．３６％を用い、前記製剤例イーａ
−■の場合と同様にして実施し、粉砕物４８．２ ｇか
ら直径５ｃｍ、厚さ１．６ ａｍの錠剤１ケ（４８，０
ｇ）を尋た。Formulation Example I A-10,455% in the Formulation Example E a-■, A
-33,34%, A-51,53%, B-15,33%
and using the above formulation 89.36%, the above formulation example Ea
−1 tablet with a diameter of 5 cm and a thickness of 1.6 am (48.0
I asked g).
製剤例イーｊ
前記製剤例イーａ−■においてＡ−１０，８５部、Ａ−
３６，２７部、Ａ−５２，８７部、Ｂ−２３，０部、Ｂ
−３２，０部、Ｆ−１６，０部及びＦ−２７９，０部か
らなる水和剤５３．１９％と前記配合物４６．８１％を
用い、前記製剤例イーａ−■の場合と同様にして実施し
、粉砕物４８．２ ｇから直径５ｃｍ、厚さ１．６ ｃ
ｍの錠剤１ケ（４８，０ｇ）を得た。Formulation Example E j In the above Formulation Example E a-■, A-10,85 parts, A-
36,27 parts, A-52,87 parts, B-23,0 parts, B
Using 53.19% of the hydrating agent consisting of -32.0 parts, F-16.0 parts and F-279.0 parts and 46.81% of the above formulation, the same as in the case of the above formulation example E a-■. 48.2 g of pulverized material was crushed to a diameter of 5 cm and a thickness of 1.6 cm
One tablet (48.0 g) of M was obtained.
側口（分散性試験−■）
障害物として、円心部に半径０．５ｍの円柱を有した半
径３．５ｍのコンクリート製円形プール（図１）に水深
約５ｃ＋ｎて水を入れた。図１に示したとおり、円心か
ら０．７５ｍ 離れたＷ−１点に前記製剤例で作製した
錠剤を投入し、所定時間経過後に円心から０．７５ｍ５
１．７５ｍ又は２．７５ｍ１Ｉｉｌれた各点で水を採取
して除草成分の分散状況を調査した。Side Entrance (Dispersibility Test - ■) Water was poured into a concrete circular pool (Fig. 1) with a radius of 3.5 m and a cylinder with a radius of 0.5 m at the center as an obstacle at a depth of approximately 5 c+n. As shown in Figure 1, the tablet prepared in the above formulation example is placed at point W-1, which is 0.75m away from the center of the circle, and after a predetermined period of time, the tablet is placed 0.75m5 away from the center of the circle.
Water was sampled at each point at a distance of 1.75 m or 2.75 m, and the dispersion status of the herbicidal components was investigated.
試験例ローａ（投与
４時間後）
表−１
（ｉ）投与４時間後、Ｗ−１の点において本発明区では
錠剤の沈澱物は認められなかった力匁対比区では水底に
多量の沈澱物が認められた。Test Example Low A (4 hours after administration) Table 1 (i) 4 hours after administration, no tablet sediment was observed in the invention area at point W-1.In the force control control area, a large amount of sediment was observed at the bottom of the water. things were recognized.
試験例ローｂ（投与 １９時間後）
表−２
（ｉｉ）投与１９時間後Ｗ−１の点において錠剤の沈澱
物は認められなかった。Test Example Low B (19 hours after administration) Table 2 (ii) 19 hours after administration, no precipitate was observed in the tablet at point W-1.
例ハ（分散性試験−■）
後記例ホ（除草試験−■）の試験区と同一の試験区を用
いた。Example C (Dispersibility test - ■) The same test plot as that of Example E (Herbicidal test - ■) described later was used.
代掻きした水田圃場に横８ｍ縦６ｍの試験区を一区画と
して試験区を設け、水深３〜６ ｃｍに水を入れた。代
掻きの９日後に前記製剤例で作製した錠剤をｌ試験区当
りｌケ（図２のＷ−１地点）又は２ケ（図２のＷ−２及
びＷ−３地点）投入した。A test plot was set up in a paddy field that had been plowed, each measuring 8 m wide and 6 m long, and water was poured into the paddy field to a depth of 3 to 6 cm. Nine days after plowing, one tablet (point W-1 in FIG. 2) or two tablets (points W-2 and W-3 in FIG. 2) prepared in the above formulation example were put into each test plot.
２ケ施用の各錠剤は１ケ施用のそれに比し同様の製剤方
法を経由するが厚さは１／２である。２４時間後にＷ−
ｔ、Ｘ及びＹの各地点で、田水を採取して除草成分の分
散状況を調べた。なお水田にはワラ屑、雑草片などの多
くの障害物が認められた。Each two-dose tablet undergoes a similar formulation process, but is half as thick as the one-dose tablet. W- after 24 hours
Field water was sampled at each point t, X, and Y to examine the dispersion status of herbicidal components. In addition, many obstacles such as straw waste and weed debris were observed in the rice fields.
例二（除草試験−■）
６月７日にトラクターで水田圃場を耕起後、基肥として
粒状化成肥料（Ｎ−Ｐ２Ｏ３−Ｋ ： ｌ ４−ｔｏ−
１３）を１０ａ当り２０ｋｇ施した。６月１２日に入水
し、２日後にトラクターで代掻を行い６月！６日に箱育
苗した２葉期の苗（品種：ニホンバレ）を機械移植した
。Example 2 (Weeding test -■) After plowing a paddy field with a tractor on June 7th, granular chemical fertilizer (N-P2O3-K: l 4-to-
13) was applied at 20kg per 10a. We entered the water on June 12th, and two days later, we used a tractor to plow the water and it was June! Two-leaf stage seedlings (variety: Nihonbare) grown in boxes on the 6th were mechanically transplanted.
６月２０日にプラスチック畦畔シートを用い３、５ ｍ
Ｘ ３ ｍの試験区を２連制で設けた。翌日試験区の
端に催芽したミズガヤツリの塊茎を１区当り３ヶ植え込
んだ。他の雑草は自然に発生させたが何れも多く発生し
た。3.5 m using plastic ridge sheet on June 20th
Two test plots measuring 3 m in size were set up. The next day, three tubers of Cyperus japonica that had germinated were planted at the edges of the test plots. Other weeds were allowed to grow naturally, but they all grew in large numbers.
湛水深を５〜７のに調整し、６月２６日に前記製剤例で
作製した錠剤１ケを試験区の中央に投げ込んだ。比較区
には前記錠剤に対応し、従来の製剤法による粒剤を均一
に散布した。薬剤は除草成分Ａ−１が０．４５ｇ／ａ、
Ａ−３が３ ｇ ／ ａである。薬剤処理時の各雑草の
葉令はノビエが１．５〜１．８葉期、ホタルイ、アゼナ
及びミズガヤツリが１、５〜２葉期であった。薬剤処理
後４５日目に水稲及び雑草の生育状況を肉眼観察し、生
育抑制程度を下記の基準で表わして表４の結果を得た。The flooding depth was adjusted to 5 to 7, and one tablet prepared in the above formulation example was thrown into the center of the test plot on June 26th. In the comparative plot, granules prepared by a conventional formulation method were uniformly dispersed, corresponding to the above-mentioned tablets. The drug contains herbicidal ingredient A-1 at 0.45g/a,
A-3 is 3 g/a. The leaf age of each weed at the time of chemical treatment was 1.5 to 1.8 leaf stage for wild grass, and 1.5 to 2 leaf stage for firefly, azalea, and cypress. On the 45th day after the chemical treatment, the growth status of paddy rice and weeds was observed with the naked eye, and the degree of growth inhibition was expressed using the following criteria to obtain the results shown in Table 4.
生育抑制程度
５：１００％
ｔ：９６〜９９％
５４：９１〜９５％
５−４＋８５〜９０％
４−５ ： ８１〜８４％
４ニア０〜８０％
例ホ（除草試験−■）
７月１７日にトラクターで水田圃場を耕起し７月２１日
に入水した。翌日ｌ・ラフターて代掻後プラスチック畦
畔シートを用い８ｍＸ６ｍの試験区を設けた。７月２４
日に催芽したミズガヤツリの塊茎を１区当り２４ケ 図
３の×地点に示す位置に植え込んだ。ヒエ及びコナギは
自然に発生させた。７月３１日に湛水深を３〜６ ａｍ
に調整し、前記製剤例で作製した錠剤を１区当り１ケ又
は２ケを図３のＷ−１又はＷ−２、Ｗ−３の各位置に投
げ込んだ。薬剤処理時の雑草はヒエやコナギが・１．５
〜２葉期、ミズガヤツリが２葉期であった。Growth suppression degree 5: 100% t: 96-99% 54: 91-95% 5-4+85-90% 4-5: 81-84% 4nia 0-80% Example E (herbicide test-■) July 17 On July 21st, the paddy field was plowed with a tractor and flooded on July 21st. The next day, a test area of 8m x 6m was set up using a plastic ridge sheet after raking the rafters. July 24th
Twenty-four tubers of Cyperus japonica that had germinated on the same day were planted in each plot at the locations indicated by the x points in Figure 3. The barnyard grass and the grasshopper were naturally generated. On July 31st, the water depth was 3 to 6 am.
One or two tablets prepared in the above formulation example were thrown into each position of W-1, W-2, and W-3 in FIG. 3. Weeds during chemical treatment include barnyard grass and Japanese grasshopper (1.5%)
~2-leaf stage, the cypress was at the 2-leaf stage.
薬剤処理後３０日目隠前記例二の場合と同様にして生育
抑制程度を求めて表−５の結果を得た。30 days after drug treatment, the degree of growth inhibition was determined in the same manner as in Example 2 above, and the results shown in Table 5 were obtained.
図−１はコンクリート製の円形プールを示し、円心の半
径０．５ｍは水面上に突起した円柱であり、Ｗ−を地点
は錠剤の投入点であり、Ｗ−１〜３、Ｘ−１〜３、Ｙ−
１〜３及び２−１〜３の地点は水の採取点である。図−
２は水田圃場を示し、Ｗ−１〜３は錠剤の投入点であり
、Ｗ−１、Ｘ及びＹは田水の採取点である。図−３は水
田圃場を示し、Ｗ−１，Ｗ−２及びＷ−３は錠剤の投入
点であり、×地点はミズガヤツリの植込み点である。Figure-1 shows a circular pool made of concrete, with a radius of 0.5 m from the center of the pool being a cylinder protruding above the water surface, point W- being the tablet insertion point, W-1 to W-3, and X-1. ~3,Y-
Points 1 to 3 and 2-1 to 3 are water sampling points. Figure-
2 indicates a paddy field, W-1 to W-3 are tablet input points, and W-1, X, and Y are paddy water collection points. Figure 3 shows a paddy field, W-1, W-2, and W-3 are the tablet injection points, and the x point is the planting point of the Japanese cypress.
Claims (1)
る除草成分、界面活性剤並びに結合剤を含有することを
特徴とする水田除草用錠剤又はカプセル。 ２、除草成分、界面活性剤並びに結合剤を含有する錠剤
又はカプセルを、１０アール当り１０ヶ〜２００ヶ、か
つ錠剤又はカプセルの総重量が２００〜１，５００ｇに
なるように、湛水した水田に施用し、実質的に除草成分
の全量を田水中に溶解、分散せしめることを特徴とする
水田除草方法。 ３、前記錠剤又はカプセルが発泡剤を含有するものであ
る請求項１又は２の水田除草用錠剤或はカプセル又は水
田除草方法。 ４、前記除草成分がＮ−［（４，６−ジメトキシピリミ
ジン−２−イル）アミノカルボニル］−３−メチル−５
−（２−クロロ−２，２−ジフルオロエトキシ−４−イ
ソチアゾールスルホンアミド、メチル−α−（４，６−
ジメトキシピリミジン−２−イルカルバモイルスルファ
モイル）−ｏ−トルイレート、Ｎ−［（４，６−ジメト
キシピリミジン−２−イル）アミノカルボニル］−４−
エトキシカルボニル−１−メチル−２−ピラゾールスル
ホンアミド、Ｎ−（２−クロロイミダゾ［１，２−ａ］
ピリジン−３−イルスルホニル）−Ｎ′−（４，６−ジ
メトキシ−２−ピリミジニル）ウレア、３−（４，６−
ジメトキシ−１，３，５−トリアジン−２−イル）−１
−［２−（２−メトキシエトキシ）−フェニルスルホニ
ル］ウレア、２−メチルチオ−４，６−ビス（エチルア
ミノ）−ｓ−トリアジン、２−メチルチオ−４−エチル
アミノ−６−（１，２−ジメチルプロピルアミノ）−ｓ
−トリアジン、３，７−ジクロロ−８−キノリンカルボ
ン酸、２−クロロ−２′，６′−ジエチル−Ｎ−（２−
プロポキシエチル）アセトアニリド、２−クロロ−２′
，６′−ジエチル−Ｎ−（ブトキシメチル）アセトアニ
リド、２−ベンゾチアゾール−２−イルオキシ−Ｎ−メ
チルアセトアニリド、Ｎ−［２′−（３′−メトキシ）
−チエニルメチル］−Ｎ−クロロアセト−２，６−ジメ
チルアニリド、２′，６′−ジエチル−Ｎ−［（２−シ
ス−ブテノオキシ）メチル］−２−クロロアセトアニリ
ド、エキソ−１−メチル−４−（１−メチルエチル）−
２−（２−メチルフェニル）メトキシ−７−オキサビシ
クロ［２，２，１］ヘプタン、Ｓ，Ｓ−ジメチル−２−
ジフルオロメチル−４−（２−メチルプロピル）−６−
（トリフルオロメチル）−３，５−ピリジンジカルボチ
オエート及び２−（３，５−ジクロロフェニル）−２−
（２，２，２−トリクロロエチル）オキシランからなる
群から選ばれた少くとも一種以上のものである請求項１
又は２の水田除草用錠剤或はカプセル又は水田除草方法
。[Scope of Claims] 1. A tablet or capsule for weeding rice fields, characterized in that the entire amount of the drug applied to rice fields contains a herbicidal component, a surfactant, and a binder that are substantially soluble in rice water. 2. Fill flooded rice fields with tablets or capsules containing herbicidal ingredients, surfactants, and binders at a rate of 10 to 200 tablets or capsules per 10 ares and a total weight of 200 to 1,500 g. A method for weeding rice fields, which is applied to rice fields, and substantially all of the herbicidal ingredients are dissolved and dispersed in rice water. 3. The tablet or capsule for weeding rice fields or the method for weeding rice fields according to claim 1 or 2, wherein the tablet or capsule contains an effervescent agent. 4. The herbicidal component is N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-3-methyl-5
-(2-chloro-2,2-difluoroethoxy-4-isothiazolesulfonamide, methyl-α-(4,6-
dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-o-toluyrate, N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-4-
Ethoxycarbonyl-1-methyl-2-pyrazole sulfonamide, N-(2-chloroimidazo[1,2-a]
pyridin-3-ylsulfonyl)-N'-(4,6-dimethoxy-2-pyrimidinyl)urea, 3-(4,6-
dimethoxy-1,3,5-triazin-2-yl)-1
-[2-(2-methoxyethoxy)-phenylsulfonyl]urea, 2-methylthio-4,6-bis(ethylamino)-s-triazine, 2-methylthio-4-ethylamino-6-(1,2- dimethylpropylamino)-s
-triazine, 3,7-dichloro-8-quinolinecarboxylic acid, 2-chloro-2',6'-diethyl-N-(2-
propoxyethyl)acetanilide, 2-chloro-2'
, 6'-diethyl-N-(butoxymethyl)acetanilide, 2-benzothiazol-2-yloxy-N-methylacetanilide, N-[2'-(3'-methoxy)
-thienylmethyl]-N-chloroaceto-2,6-dimethylanilide, 2',6'-diethyl-N-[(2-cis-butenooxy)methyl]-2-chloroacetanilide, exo-1-methyl-4- (1-methylethyl)-
2-(2-methylphenyl)methoxy-7-oxabicyclo[2,2,1]heptane, S,S-dimethyl-2-
Difluoromethyl-4-(2-methylpropyl)-6-
(trifluoromethyl)-3,5-pyridinedicarbothioate and 2-(3,5-dichlorophenyl)-2-
Claim 1: At least one selected from the group consisting of (2,2,2-trichloroethyl)oxirane.
or 2. Tablets or capsules for weeding rice fields or methods for weeding rice fields.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23254989 | 1989-09-07 | ||
| JP1-232549 | 1989-12-28 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12767699A Division JP3245574B2 (en) | 1989-09-07 | 1999-05-07 | Paddy field weeding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03173802A true JPH03173802A (en) | 1991-07-29 |
| JP2980960B2 JP2980960B2 (en) | 1999-11-22 |
Family
ID=16941066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2235040A Expired - Lifetime JP2980960B2 (en) | 1989-09-07 | 1990-09-05 | Tablets or capsules for paddy weeding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2980960B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03223203A (en) * | 1989-09-07 | 1991-10-02 | Ishihara Sangyo Kaisha Ltd | Tablet or capsule for controlling weed in paddy field |
| JPH05163102A (en) * | 1991-12-12 | 1993-06-29 | Mikasa Kagaku Kogyo Kk | Agricultural chemical for paddy field and its production |
| US6509297B1 (en) | 1999-10-26 | 2003-01-21 | Applied Carbochemicals | Enhanced herbicides |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146816B1 (en) * | 1966-02-23 | 1976-12-11 | ||
| JPS63190887A (en) * | 1986-02-07 | 1988-08-08 | Ishihara Sangyo Kaisha Ltd | Sulfonamide compound, its salt, herbicide composition containing same and production thereof |
| JPS63264508A (en) * | 1987-04-20 | 1988-11-01 | Ishihara Sangyo Kaisha Ltd | Herbicidal compound |
| JPH03128301A (en) * | 1989-04-18 | 1991-05-31 | Sumitomo Chem Co Ltd | Paddy herbicide |
| JPH03193705A (en) * | 1989-09-01 | 1991-08-23 | Imperial Chem Ind Plc <Ici> | Bactericide, herbicide or plant growth adjusting composition for use in underwater atmosphere and its production and use |
| JPH03223203A (en) * | 1989-09-07 | 1991-10-02 | Ishihara Sangyo Kaisha Ltd | Tablet or capsule for controlling weed in paddy field |
-
1990
- 1990-09-05 JP JP2235040A patent/JP2980960B2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146816B1 (en) * | 1966-02-23 | 1976-12-11 | ||
| JPS63190887A (en) * | 1986-02-07 | 1988-08-08 | Ishihara Sangyo Kaisha Ltd | Sulfonamide compound, its salt, herbicide composition containing same and production thereof |
| JPS63264508A (en) * | 1987-04-20 | 1988-11-01 | Ishihara Sangyo Kaisha Ltd | Herbicidal compound |
| JPH03128301A (en) * | 1989-04-18 | 1991-05-31 | Sumitomo Chem Co Ltd | Paddy herbicide |
| JPH03193705A (en) * | 1989-09-01 | 1991-08-23 | Imperial Chem Ind Plc <Ici> | Bactericide, herbicide or plant growth adjusting composition for use in underwater atmosphere and its production and use |
| JPH03223203A (en) * | 1989-09-07 | 1991-10-02 | Ishihara Sangyo Kaisha Ltd | Tablet or capsule for controlling weed in paddy field |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03223203A (en) * | 1989-09-07 | 1991-10-02 | Ishihara Sangyo Kaisha Ltd | Tablet or capsule for controlling weed in paddy field |
| JPH05163102A (en) * | 1991-12-12 | 1993-06-29 | Mikasa Kagaku Kogyo Kk | Agricultural chemical for paddy field and its production |
| US6509297B1 (en) | 1999-10-26 | 2003-01-21 | Applied Carbochemicals | Enhanced herbicides |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2980960B2 (en) | 1999-11-22 |
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