JPH04128203A - Herbicidal composition for paddy field - Google Patents
Herbicidal composition for paddy fieldInfo
- Publication number
- JPH04128203A JPH04128203A JP24617090A JP24617090A JPH04128203A JP H04128203 A JPH04128203 A JP H04128203A JP 24617090 A JP24617090 A JP 24617090A JP 24617090 A JP24617090 A JP 24617090A JP H04128203 A JPH04128203 A JP H04128203A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- weeds
- formula
- composition
- paddy
- 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.)
- Pending
Links
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- 238000005516 engineering process Methods 0.000 description 1
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 235000010985 glycerol esters of wood rosin Nutrition 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000011419 magnesium lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- LCRMGUFGEDUSOG-UHFFFAOYSA-N naphthalen-1-ylsulfonyloxymethyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(OCOS(=O)(=O)C=3C4=CC=CC=C4C=CC=3)=O)=CC=CC2=C1 LCRMGUFGEDUSOG-UHFFFAOYSA-N 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical group [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 235000020637 scallop Nutrition 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- IXYACKYHUWCLAM-UHFFFAOYSA-M sodium;2-ethylhex-1-ene-1-sulfonate Chemical compound [Na+].CCCCC(CC)=CS([O-])(=O)=O IXYACKYHUWCLAM-UHFFFAOYSA-M 0.000 description 1
- FGDMJJQHQDFUCP-UHFFFAOYSA-M sodium;2-propan-2-ylnaphthalene-1-sulfonate Chemical compound [Na+].C1=CC=CC2=C(S([O-])(=O)=O)C(C(C)C)=CC=C21 FGDMJJQHQDFUCP-UHFFFAOYSA-M 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 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
- 150000005846 sugar alcohols Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000010457 zeolite 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、除草剤組成物に関し、さらに詳しくは、水稲
の移植前後に施用することにより水稲に安全で水田雑草
を効果的に防除する水田用除草剤組成物に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a herbicide composition that is safe for paddy rice and effectively controls paddy weeds when applied before and after transplanting paddy rice. The present invention relates to a herbicide composition for use.
これまで、水田用として多くの除草剤が実用化されてお
り、それらは単剤もしくは2種以上の有効成分を含む混
合剤として広く一般に使用されてきた。しかしながら、
これらの除草剤は一年生雑草には比較的有効であるもの
の多年生雑草に対する効果は不足しており、そのため近
年国内の水田でホタルイ、ウリカワ等の繁殖力の旺盛な
多年生雑草が増加の傾向にあるのが現状である。Until now, many herbicides have been put into practical use for paddy fields, and they have been widely used as a single agent or as a mixture containing two or more active ingredients. however,
Although these herbicides are relatively effective against annual weeds, they are insufficiently effective against perennial weeds.As a result, the number of highly prolific perennial weeds such as scallops and weeds has been increasing in rice fields in Japan in recent years. is the current situation.
このことから、雑草の発生が少なく繁殖力の貧困な、水
稲の移植前後に施用することにより、水稲に安全で幅広
い雑草を効果的に防除する水田用除草剤の開発が望まれ
ている。Therefore, it is desired to develop a herbicide for paddy fields that is safe for paddy rice and can effectively control a wide range of weeds by applying it before and after transplanting to paddy rice, which has low weed growth and poor fertility.
本発明者等は、上記の農業者の要望を満たした水田用除
草剤を開発すべく諸種の検討を行った。The present inventors conducted various studies in order to develop a herbicide for rice fields that satisfies the above-mentioned demands of farmers.
その結果、殺草機構及び殺草スペクトラムの異なる二種
の化合物を、好ましくは特定の比率で組み合わせること
により、水田における広範囲の雑草を選択的に防除でき
、しかもその除草効力はそれらを単独で用いる場合に比
較して相乗的に増大し、そのため低薬量で施用でき、さ
らに殺草スペクトラムが拡大することを見いだし、本発
明の除草剤組成物を完成するに至った。As a result, by combining two types of compounds with different herbicidal mechanisms and herbicidal spectra, preferably in a specific ratio, it is possible to selectively control a wide range of weeds in paddy fields, and the herbicidal efficacy of these compounds is greater than when they are used alone. The inventors have discovered that the herbicidal composition of the present invention is synergistically increased compared to the conventional herbicidal composition, and therefore can be applied at a low dose, and the herbicidal spectrum is expanded.
本発明は、次式CI’l
(式中Rは低級アルキル基を示す)
て表される2−ニトロ−5−(置換フェノキシ)ベンゾ
ヒドロキシム酸誘導体の少なくとも1種(以下これを「
化合物〔I〕」ということがある)と、次式〔■〕:
で表される1、3−ジメチル−4−(2,4−ジクロロ
3−メチルベンゾイル)−5−(4−メチル−フェナシ
ルオキシ)ピラゾール(以下これを「化合Th[Il〕
sということがある)を有効成分として含有する水田用
除草剤組成物を提供するものである。The present invention provides at least one 2-nitro-5-(substituted phenoxy)benzohydroxymic acid derivative (hereinafter referred to as "
Compound [I]) and 1,3-dimethyl-4-(2,4-dichloro3-methylbenzoyl)-5-(4-methyl-phenate) represented by the following formula [■]: siloxy)pyrazole (hereinafter referred to as "compound Th[Il]
The purpose of the present invention is to provide a herbicide composition for paddy fields containing as an active ingredient (sometimes referred to as s).
本発明組成物の有効成分として用いられる化合物〔I〕
は特開昭63−215605号公報に開示されているジ
フェニルエーテル系除草剤である。Compound [I] used as an active ingredient of the composition of the present invention
is a diphenyl ether herbicide disclosed in JP-A-63-215605.
化合物〔I〕の具体例を下記に示す。Specific examples of compound [I] are shown below.
化合物No、1:メチル 0−メトキシカルボニルメチ
ル−5−(2,4−ジクロロ−3−メチルフェノキシ)
−2−二トロペンゾヒドロキシメー)(syn) (融
点106.5〜107.0℃)化合物No、2・メチル
0−メトキシカルボニルメチル−5−(2,4−ジク
ロロ−3−メチルフェノキシ)−2−二トロベンゾヒド
ロキシメート(anti) (融点90,5〜93℃)
化合物No、3 エチル 0−メトキシカルボニルメ
チル−5−(2,4−ジクロロ−3−メチルフェノキシ
)−2−ニトロベンゾヒドロキシメート
化合物No、4・n−プロピル 0−メトキシカルボニ
ルメチル−5−(2,4ジクロロ−3−メチルフェノキ
シ)−2−ニトロベンゾヒドロキシメート
化合物No、5 : 1so−プロピル 0−メトキシ
カルボニルメチル−5−(24−ジクロロ−3−メチル
フェノキシ)−2−ニトロベンゾヒドロキシメート
化合物No、6 : n−ブチル O−メトキシカルボ
ニルメチル−5−(24−ジクロロ−3−メチルフェノ
キシ)−2−ニトロベンゾヒドロキシメート
化合物CII)は特公昭62−19402号公報に開示
されているビラゾレート系除草剤であり、既に広範囲に
使用されているものである。Compound No. 1: Methyl 0-methoxycarbonylmethyl-5-(2,4-dichloro-3-methylphenoxy)
-2-nitropenzohydroxymer) (syn) (Melting point 106.5-107.0°C) Compound No. 2-Methyl 0-methoxycarbonylmethyl-5-(2,4-dichloro-3-methylphenoxy) -2-nitrobenzohydroxymate (anti) (melting point 90.5-93°C)
Compound No. 3 Ethyl 0-methoxycarbonylmethyl-5-(2,4-dichloro-3-methylphenoxy)-2-nitrobenzohydroxymate Compound No. 4.n-propyl 0-methoxycarbonylmethyl-5-(2 ,4dichloro-3-methylphenoxy)-2-nitrobenzohydroxymate Compound No.5: 1so-propyl 0-methoxycarbonylmethyl-5-(24-dichloro-3-methylphenoxy)-2-nitrobenzohydroxymate compound No. 6: n-butyl O-methoxycarbonylmethyl-5-(24-dichloro-3-methylphenoxy)-2-nitrobenzohydroxymate compound CII) is a birazolate-based compound disclosed in Japanese Patent Publication No. 19402/1983. It is a herbicide and is already widely used.
本発明組成物は、2種の有効成分(化合物〔I〕と化合
物〔■〕)を広い範囲の比率で配合することができるが
、通常は化合物〔191重量部に対して化合物〔■〕が
01〜1000重量部、好ましくは1〜100重量部で
ある。The composition of the present invention can contain two types of active ingredients (compound [I] and compound [■]) in a wide range of ratios, but usually the compound [■] is added to 191 parts by weight of the compound [191 parts by weight]. 01 to 1000 parts by weight, preferably 1 to 100 parts by weight.
本発明の組成物を除草剤として実際に用いる場合、上記
有効成分をそれ自体既知の固体ないし液体の担体もしく
は希釈剤、界面活性剤その他の製剤用補助剤と、それ自
体既知の方法で混合して、通常農薬として用いられる製
剤形態、例えば粒剤、乳剤、水和剤、フロアブル剤等に
調整することができる。When the composition of the present invention is actually used as a herbicide, the above-mentioned active ingredients are mixed with known solid or liquid carriers or diluents, surfactants and other formulation auxiliaries by methods known per se. Therefore, it can be adjusted to formulations commonly used as agricultural chemicals, such as granules, emulsions, wettable powders, flowables, etc.
除草剤の製造に際して用い得る固体担体としては、カオ
リナイト群、センモリナイト群、イライト群あるいはポ
リグロスカイト群などで代表されるクレー群、詳しくは
パイロフィライト、アタパルジャイト、セビオライト、
カオリナイト、ベントナイト、サボナイト、バーミキュ
ライト、7母等やタルク及び石こう、炭酸カルシウム、
ド°ロマイト、けいそう土、方解石、マグネシウム石灰
、りん灰石、ゼオライト、無水ケ伺り合成ケイ酸カルシ
ウム等の無機物質;大豆粉、タバコ粉、クルミ粉、小麦
粉、木粉、澱粉、結晶セルロース等の植物性有機物質;
クマロン樹脂、石油樹脂、アルキッド樹脂、ポリ塩化ビ
ニル、ポリアルキレングリコール、ケトン樹脂、エステ
ルガム、コーパルガム、ダンマルガム等の合成また天然
の高分子化合物;カルナウバロウ、蜜ロウ等のワックス
類あるいは尿素などが例示できる。Solid carriers that can be used in the production of herbicides include clay groups such as kaolinite group, senmolinite group, illite group, and polygloskite group, specifically pyrophyllite, attapulgite, seviolite,
Kaolinite, bentonite, sabonite, vermiculite, talc, gypsum, calcium carbonate, etc.
Inorganic substances such as dolomite, diatomaceous earth, calcite, magnesium lime, apatite, zeolite, anhydrous synthetic calcium silicate; soybean flour, tobacco flour, walnut flour, wheat flour, wood flour, starch, crystalline cellulose Plant organic substances such as;
Synthetic or natural polymer compounds such as coumaron resin, petroleum resin, alkyd resin, polyvinyl chloride, polyalkylene glycol, ketone resin, ester gum, copal gum, and dammar gum; waxes such as carnauba wax and beeswax, and urea. .
適当な液体担体としては、例えば、ゲロシン、鉱油、ス
ピンドル油、ホワイトオイル等のパラフィン系もしくは
ナフテン系炭化水素:キシレン、エチルベンゼン、クメ
ン、メチルナフタリン等の芳香族炭化水素;ジオキサン
、テトラヒドロフランのようなエーテル類、メチルエチ
ルケトン、ジイソブチルケトン、シクロヘキサノン、ア
セトフェノン、イソホロン等のケトン類;酢酸エチル、
酢酸アミル、エチレングリコールアセテート、ジエチレ
ングリコールアセテート、マレイン酸ジブチル、コハク
酸ジエチル等のエステル類;n−ヘキサノール、エチレ
ングリコール、ジエチレングリコール、シクロヘキサノ
ール、ベンジルアルコール等のアルコール類;エチレン
グリコールエチルエーテル、エチレングリコールフェニ
ルエーテル、ジエチレングリコールフェニルエーテル、
ジエチレングリコールエチルエーテル、ジエチレングリ
コールブチルエーテル等のエーテルアルコール類;ジメ
チルホルムアミド、ジメチルスルホキシド等の極性溶媒
あるいは水等が挙げられる。Suitable liquid carriers include, for example, paraffinic or naphthenic hydrocarbons such as gelosine, mineral oil, spindle oil, white oil; aromatic hydrocarbons such as xylene, ethylbenzene, cumene, methylnaphthalene; ethers such as dioxane, tetrahydrofuran. Ketones such as methyl ethyl ketone, diisobutyl ketone, cyclohexanone, acetophenone, isophorone; ethyl acetate,
Esters such as amyl acetate, ethylene glycol acetate, diethylene glycol acetate, dibutyl maleate, diethyl succinate; Alcohols such as n-hexanol, ethylene glycol, diethylene glycol, cyclohexanol, benzyl alcohol; ethylene glycol ethyl ether, ethylene glycol phenyl ether , diethylene glycol phenyl ether,
Examples include ether alcohols such as diethylene glycol ethyl ether and diethylene glycol butyl ether; polar solvents such as dimethylformamide and dimethyl sulfoxide; and water.
そのほかに有効成分の乳化、分散、湿潤、拡展、結合、
崩壊性調節、有効成分安定化、流動性改良、防錆等の目
的で界面活性剤その他の補助剤を使用することもできる
。使用される界面活性剤の例としては、非イオン性、陰
イオン性、陽イオン性および両性イオン性のいずれの化
合物をも使用しうるが、通常は非イオン性および(また
は)陰イオン性の化合物が使用される。適当な非イオン
性界面活性剤としては、例えばラウリルアルコール、ス
テアリルアルコール、オレイルアルコール等の高級アル
コールにエチレンオキシドを重合付加させた化合物:イ
ソオクチルフェノール、ノニルフェノール等のアルキル
フェノールにエチレンオキシドを重合付加させた化合物
;ブチルナフトール、オクチルナフトール等のアルキル
ナフトールにエチレンオキシドを重合付加させた化合物
;パルミチン酸、ステアリン酸、オレイン酸等の高級脂
肪酸にエチレンオキシドを重合付加させた化合物ニドデ
シルアミン、ステアリン酸アミド等のアミンにエチレン
オキシドを重合付加させた化合物;ソルビタン等の多価
アルコールの高級脂肪酸エステルおよびそれにエチレン
オキシドを重合付加させた化合物;エチレンオキシドと
プロピレンオキシドをブロック重合付加させた化合物等
が挙げられる。適当な陰イオン性界面活性剤としては、
例えば、ラウリル硫酸ナトリウム、オレイルアルコール
硫酸エステルアミン塩等のアルキル[6エステル塩;ス
ルホこはく酸ジオクチルエステルナトリウム、2−エチ
ルヘキセンスルホン酸ナトリウム等のアルキルスルホン
酸塩;イソプロピルナフタレンスルホン酸ナトリウム、
メチレンビスナフタレンスルホン酸ナトリウム、リグニ
ンスルホン酸ナトリウム、ドデシルベンゼンスルホン酸
ナトリウム等のアリールスルホン酸塩等が挙げられる。In addition, emulsification, dispersion, wetting, spreading, binding of active ingredients,
Surfactants and other auxiliary agents may also be used for the purposes of controlling disintegration, stabilizing active ingredients, improving fluidity, preventing rust, and the like. Examples of surfactants used include nonionic, anionic, cationic and zwitterionic compounds, but typically nonionic and/or anionic compounds are used. compound is used. Suitable nonionic surfactants include, for example, compounds in which ethylene oxide is polymerized and added to higher alcohols such as lauryl alcohol, stearyl alcohol, and oleyl alcohol; compounds in which ethylene oxide is polymerized and added to alkylphenols such as isooctylphenol and nonylphenol; butyl; Compounds in which ethylene oxide is polymerized and added to alkylnaphthols such as naphthol and octylnaphthol; Compounds in which ethylene oxide is polymerized and added to higher fatty acids such as palmitic acid, stearic acid, and oleic acid. Ethylene oxide is added to amines such as nidodecylamine and stearic acid amide. Compounds obtained by polymerization addition; higher fatty acid esters of polyhydric alcohols such as sorbitan, and compounds obtained by polymerization and addition of ethylene oxide; compounds obtained by block polymerization addition of ethylene oxide and propylene oxide; and the like. Suitable anionic surfactants include:
For example, alkyl [6 ester salts such as sodium lauryl sulfate and oleyl alcohol sulfate amine salt; alkyl sulfonates such as sodium sulfosuccinate dioctyl ester and sodium 2-ethylhexene sulfonate; sodium isopropylnaphthalene sulfonate;
Examples include aryl sulfonates such as sodium methylene bisnaphthalene sulfonate, sodium lignin sulfonate, and sodium dodecylbenzenesulfonate.
さらに本発明の組成物には製剤の性能を改善し、除草効
果を高める目的で、カゼイン、ゼラチン、アルブミン、
ニカワ、リグニンスルホン酸塩、アルギン酸塩、アラビ
アゴム、カルボキシメチルセルロース、メチルセルロー
ス、ヒドロキシエチルセルロース、ポリビニルアルコー
ル、ポリビニルピロリドン、ポリサッカライド等の高分
子化合物や他の補助剤を併用することもできる。Furthermore, the composition of the present invention contains casein, gelatin, albumin, etc., for the purpose of improving the performance of the preparation and increasing the herbicidal effect.
Polymer compounds such as glue, lignin sulfonate, alginate, gum arabic, carboxymethylcellulose, methylcellulose, hydroxyethylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, polysaccharide, and other adjuvants can also be used in combination.
上記の担体および種々の補助剤は製剤の剤型、適用場面
等を考慮して、目的に応じてそれぞれ単独あるいは組合
わせて適宜使用できる。The above-mentioned carriers and various auxiliary agents can be used individually or in combination as appropriate depending on the purpose, taking into account the dosage form of the preparation, the application situation, etc.
このようにして得られる各種製剤型における本発明の組
成物中の有効成分含有率は製剤型により種々変化するも
のであるが、例えば0.01〜99重量%、好ましくは
0.1〜80重量%であることができる。The content of the active ingredient in the composition of the present invention in the various formulations thus obtained varies depending on the formulation, but is, for example, 0.01 to 99% by weight, preferably 0.1 to 80% by weight. %.
水和剤の場合は、例えば有効成分を通常1〜90重量%
含有し、残部は固体担体、分散湿潤剤であって、必要に
応じて保護コロイド剤、消泡剤等が加えられる。In the case of hydrating agents, for example, the active ingredient is usually 1 to 90% by weight.
The remainder is a solid carrier, a dispersion wetting agent, and a protective colloid agent, an antifoaming agent, etc. are added as necessary.
粒剤の場合は、例えば有効成分を通常0.01〜35重
量%含有し、残部は固体担体及び界面活性剤等である。In the case of granules, for example, the active ingredient is usually contained in an amount of 0.01 to 35% by weight, with the remainder being a solid carrier, a surfactant, and the like.
有効成分は固体担体と均一に混合されているが、あるい
は固体担体の表面に均一に固着もしくは吸着されており
、粒の径は約0.2ないし1.5a+m程度である。The active ingredient is uniformly mixed with the solid carrier, or is uniformly fixed or adsorbed on the surface of the solid carrier, and the particle size is about 0.2 to 1.5 a+m.
フロアブル剤の場合は、例えば有効成分を通常0.5〜
50重量%含有しており、これに3ないし10重量%の
分散湿潤剤が含まれ、残部は水であり、必要に応じて保
護コロイド剤、防腐剤、消泡剤等が加えられる。In the case of flowable agents, for example, the active ingredient is usually 0.5~
This includes 3 to 10% by weight of a dispersion wetting agent, and the remainder is water, with protective colloids, preservatives, antifoaming agents, etc. being added as necessary.
上記の如く調製される本発明の組成物の施用適量は、気
象条件、土壌条件、薬剤の製剤形態、対象作物、対象雑
草、施用時期、施用方法等の違いにより一概に規定でき
ないが、通常、有効成分の合計量を基準にして1ヘクタ
ール当り0.01〜10kfI、好ましくは0.02〜
4に9の範囲が適当である。さらに、本発明の組成物に
は、他の殺虫剤、殺菌剤、植物生長調節剤などを適宜配
合することにより、省力防除剤とすることができる。The appropriate amount to be applied of the composition of the present invention prepared as described above cannot be absolutely defined due to differences in weather conditions, soil conditions, drug formulation, target crops, target weeds, application timing, application method, etc., but usually, 0.01 to 10 kfI per hectare, preferably 0.02 to 10 kfI, based on the total amount of active ingredients
A range of 4 to 9 is appropriate. Furthermore, the composition of the present invention can be made into a labor-saving pest control agent by appropriately blending other insecticides, fungicides, plant growth regulators, etc.
また必要に応じて散布時に他の各種殺虫剤、殺菌剤、植
物生長調節剤、除草剤および肥料などの薬剤と混合使用
も可能である。If necessary, it can also be mixed with other chemicals such as various insecticides, fungicides, plant growth regulators, herbicides, and fertilizers at the time of spraying.
以下に、本発明を実施例により具体的に説明する。The present invention will be specifically explained below using examples.
実施例1(水和剤)
化合物〔I〕(化合物No、1) 2.5重量
%化合物CI+〕 20重量%リグ
ニンスルホン酸ナトリウム 3重量%ジアルキルナフ
タレンスルホン酸ナトリウム3重量%
カオリン 71.5重量%以上を混合
粉砕して均一にし水和剤を得る。Example 1 (Wettable powder) Compound [I] (Compound No. 1) 2.5% by weight Compound CI+] 20% by weight Sodium ligninsulfonate 3% by weight Sodium dialkylnaphthalene sulfonate 3% by weight Kaolin 71.5% by weight The above mixture is mixed and pulverized to obtain a homogeneous wettable powder.
実施例2(フロアブル剤)
化合物〔I〕(化合物No、1) 2.5重量%
化合物[I[) 20重量%ポリオ
キシエチレンラウリルエーテル
2重量%
ラウリル硫酸エステルナトリウム塩
2重量%
ザンサンガム 0.2重量%水
73゜3重量%以上を湿式ボールミル
にて湿式粉砕してフロアブル剤を得る。Example 2 (Flowable agent) Compound [I] (Compound No. 1) 2.5% by weight
Compound [I[) 20% by weight Polyoxyethylene lauryl ether 2% by weight Lauryl sulfate sodium salt 2% by weight Xanthan gum 0.2% by weight Water
A flowable agent is obtained by wet-pulverizing 73.3% by weight or more in a wet ball mill.
次に、本発明組成物の効果を試験例をあげて具体的に示
す。Next, the effects of the composition of the present invention will be specifically illustrated by giving test examples.
試験例1−1
〔混合による薬量低減効果−田植え前処理〕面積1 /
2000 aのワグネルポットに水田土壌及び化成肥
料を入れ、適量の水を加えて充分にかき混ぜて水田の状
態にした。これにノビエ、コナギ、アゼナ、ホタルイの
種子を一定量づつ播種し、ウリカワ、ミズガヤツリの塊
茎を一定量づつ植え付けた。その後、供試化合物の所定
量をフロアブル剤(実施例2に準拠して製剤した)を用
いて処理した。Test Example 1-1 [Dose reduction effect by mixing - rice planting pre-treatment] Area 1 /
Paddy soil and chemical fertilizer were placed in a 2000A Wagner pot, and an appropriate amount of water was added and thoroughly stirred to form a paddy field. Seeds of Japanese wildflower, Japanese cypress, Japanese azalea, and firefly were sown in fixed amounts, and tubers of Urticaria and cypress were planted in fixed amounts. Thereafter, a predetermined amount of the test compound was treated with a flowable agent (formulated according to Example 2).
薬剤処理4日後に、予め温室内で生育させた2葉期の水
稲苗を2本1株としてポット当たり2株移植した。Four days after the chemical treatment, two paddy rice seedlings at the two-leaf stage that had been grown in advance in a greenhouse were transplanted into each pot, with two plants per pot.
水稲移植30日後に殺草効果及び水稲薬害程度を調査し
た結果を表1−1に示す。Table 1-1 shows the results of investigating the herbicidal effect and the degree of chemical damage to paddy rice 30 days after transplanting the rice.
なお、表中各車種に対する殺草効果及び水稲薬害程度は
、下記に示すようにそれぞれ「o」から「5」までの1
6段階の評点、及び「−」から「×」までの6段階の符
号で表した。In addition, the herbicidal effect and the degree of paddy rice damage for each vehicle type in the table are 1 from ``o'' to ``5'' as shown below.
It was expressed using a 6-level score and a 6-level code from "-" to "x".
殺草効果
評点 除草率(%)
4 80を越え100未満
3 60を越え 80以下
2 40を越え 60以下
1 20を越え 40以下
0 0 から 20以下
水稲薬害程度
符号 薬害程度
× 枯死
++十 薬害
+十 中害
十 小書
± 僅小書
無害
表−1−1
*:上記表中の市販品比較剤は有効成分として、オキサ
シアシン8%及びブタクロール12%を含有する乳剤で
ある。Weed killing effect rating Weeding rate (%) 4 More than 80 and less than 100 3 More than 60 and less than 80 2 More than 40 and less than 60 1 More than 20 and less than 40 0 0 to less than 20 Paddy rice phytotoxicity level code Phytotoxicity degree × Death ++ 10 phytotoxicity + Table 1-1 *: The commercial comparison agent in the above table is an emulsion containing 8% oxacyacin and 12% butachlor as active ingredients.
試験例1 2
〔混合による薬量低減効果−移植3日後処理〕面積1
/ 2000 aのワグネルボットに水田土壌及び化成
肥料を入れ、適量の水を加えて充分にかき混ぜて水田の
状態にした。これに予め温室内で生育させた2葉期の水
稲苗を2本1−株としてポット当たり2株移植して、ノ
ビエ、コナギ、アゼナ、ホタルイの種子を一定量づつ播
種し、ウリカワ、ミズガヤツリの塊茎をそれぞれ一定量
づつ植え付けた。Test Example 1 2 [Drug dose reduction effect by mixing - treatment 3 days after transplantation] Area 1
/ Paddy soil and chemical fertilizer were put into a 2000A Wagnerbot, an appropriate amount of water was added, and the soil was thoroughly stirred to form a paddy field. Two paddy rice seedlings at the two-leaf stage that had been grown in a greenhouse in advance were transplanted into each pot, with two plants per pot, and a certain amount of seeds of Japanese wildflower, Japanese cypress, Japanese azalea, and bulrush were sown. A fixed amount of each tuber was planted.
移植3日後に供試化合物の所定量をフロアブル剤(実施
例2に準拠して製剤した)を用いて処理した。Three days after transplantation, a predetermined amount of the test compound was treated with a flowable agent (formulated according to Example 2).
薬剤処理30日後に殺草効果及び水稲薬害程度を調査し
た結果を表1−2に示す。Table 1-2 shows the results of investigating the herbicidal effect and the degree of chemical damage to paddy rice 30 days after the chemical treatment.
なお、表中各車種に対する殺草効果及び水稲薬害程度の
表示は、試験例1−1と同様である。Note that the herbicidal effect and the degree of paddy rice damage for each vehicle type in the table are the same as in Test Example 1-1.
表−1−2
*:上記表中の市販品比較剤は有効成分として、オキサ
シアシン8%及びブタクロール12%を含有する乳剤で
ある。Table 1-2 *: The commercial comparison agent in the above table is an emulsion containing 8% oxacyacin and 12% butachlor as active ingredients.
この結果から本発明組成物はそれぞれの有効成分をそれ
ぞれ単独で用いた場合に比べて、極めて低い薬量で各a
m草を防除できることがわかった。These results show that the composition of the present invention provides each active ingredient at a significantly lower dose than when each active ingredient is used alone.
It was found that it was possible to control m grass.
試験例2−1
〔圃場試験−田植え前処理〕
通常の営農方法に従って代かきを行った水田を、畦畔シ
ート(信越化学製;商品名「アゼナミ」)を用い1区画
が10m2(4mX 2.5m)となるように仕切り、
田植え4日前に各薬剤(実施例2に準拠して製剤したフ
ロアブル剤Fを用いて処理した。Test Example 2-1 [Field test - rice planting pretreatment] A paddy field that had been plowed according to the usual farming method was divided into 10 m2 sections (4 m x 2.5 m) using ridge sheets (manufactured by Shin-Etsu Chemical; trade name: "Azenami"). ),
Four days before rice planting, the rice was treated with each drug (flowable agent F formulated according to Example 2).
以後通常の田植えと管理を行い、薬剤処理f&30日後
に試験例1と同様の基準で防除効果及び水稲薬害を判定
した。その結果を表2−1に示す。Thereafter, normal rice planting and management were carried out, and after 30 days of chemical treatment, the pesticidal effect and paddy rice chemical damage were determined using the same criteria as in Test Example 1. The results are shown in Table 2-1.
オキサシアシン8%及びブタクロール12%を含有する
乳剤である。It is an emulsion containing 8% oxacyacin and 12% butachlor.
試験例2−2
〔圃場試験−田植え3日後処理コ
通常の営農方法に従って田植えを行った水田を、畦畔シ
ート(信越化学説;商品名「アゼナミ」)を用い1区画
が10鵬2(4+*X2.5m)となるように仕切り、
田植え3日後に各薬剤(実施例2に準拠して製剤したフ
ロアブル剤)を用いて処理した。Test Example 2-2 [Field test - Treatment after 3 days of rice planting] A paddy field that had been planted according to the usual farming method was treated using a ridge sheet (Shin-Etsu theory; product name: "Azenami"), with each plot having 10 peng2 (4+ *x2.5m)
Three days after rice planting, the rice was treated with each drug (flowable agent formulated according to Example 2).
以後通常の管理を行い、薬剤処理後30日後に試験例1
と同様の基準で防除効果及び水稲薬害を判定した。その
結果を表2−2に示す。Thereafter, normal management was carried out, and 30 days after the drug treatment, Test Example 1
Control efficacy and paddy rice chemical damage were determined using the same criteria. The results are shown in Table 2-2.
オキサシアシン8%及びブタクロール12%を含有する
乳剤である。It is an emulsion containing 8% oxacyacin and 12% butachlor.
以上の試験例1〜2の効果が示すように、本発明組成物
は、これまでの除草剤には例をみない低薬量で諸雑草を
有効に防除することができ、農業用資材として極めて有
望である。As shown by the effects of Test Examples 1 and 2 above, the composition of the present invention can effectively control various weeds at a low dosage, unprecedented for conventional herbicides, and can be used as an agricultural material. This is extremely promising.
本発明組成物は、上記の試験例から明らかなように、各
化合物単独では側底できないような低薬量でノビエ、コ
ナギ、アゼナ、ホタルイ、ウリカワ、ミズガヤツリ等の
広汎な雑草に高い除草効果を示し、かつ水稲に対して全
く薬害を与えない。As is clear from the above test examples, the composition of the present invention has a high herbicidal effect on a wide range of weeds such as field weeds, Japanese aphrodisiacs, azaleas, bulrushes, cypresses, and other weeds at low dosages that would not be possible with each compound alone. and does not cause any chemical damage to paddy rice.
また、使用時期は、水稲移植前から雑草発生初期(移植
後約10日)までの広い範囲から任意に選定できるが、
その中でも雑草の発生前から発生始期(移植前7日から
移植後3日ごろまで)に処理すると最も高い除草効果を
得ることができる。In addition, the timing of use can be arbitrarily selected from a wide range from before transplanting paddy rice to early weed emergence (approximately 10 days after transplanting).
Among these, the highest herbicidal effect can be obtained if the weeds are treated before the weeds emerge and at the beginning of their emergence (from 7 days before transplanting to about 3 days after transplantation).
これらの優れた効果は明らかに本発明組成物に含有され
るそれぞれの有効成分の間に強力な相乗効果が存在する
ことを示すものであり、それぞれ単独の除草特性からは
全く予想されない効果を示すものである。These excellent effects clearly indicate the existence of a strong synergistic effect between the respective active ingredients contained in the composition of the present invention, and exhibit effects that were completely unexpected from the herbicidal properties of each ingredient alone. It is something.
また、本発明組成物は、各有効成分単独の殺車力が高く
、さらに強力な相乗効果が存在することにより、これま
での除草剤に比べて有効成分投下量が極めて少なくてす
むので、環境や農業者に対する安全性も高く、時代の要
望に合致した除草剤であるということができる。In addition, the composition of the present invention has a high carcidal power of each active ingredient alone, and also has a strong synergistic effect, so the amount of active ingredients to be applied is extremely small compared to conventional herbicides, so it is environmentally friendly. It can be said that it is a herbicide that is highly safe for farmers and farmers and meets the needs of the times.
Claims (1)
ヒドロキシム酸誘導体の少なくとも1種と、(b)下記
一般式 ▲数式、化学式、表等があります▼ で表される1,3−ジメチル−4−(2,4−ジクロロ
−3−メチルベンゾイル)−5−(4−メチル−フェナ
シルオキシ)ピラゾール を有効成分として含有することを特徴とする水田用除草
剤組成物。[Claims] 1. (a) 2-nitro-5-(substituted phenoxy)benzo represented by the following general formula ▲ Numerical formula, chemical formula, table, etc. ▼ (In the formula, R represents a lower alkyl group) At least one type of hydroxymic acid derivative and (b) 1,3-dimethyl-4-(2,4-dichloro-3-methylbenzoyl) represented by the following general formula ▲ Numerical formula, chemical formula, table, etc. ▼ - A herbicidal composition for rice fields, characterized by containing 5-(4-methyl-phenacyloxy)pyrazole as an active ingredient.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24617090A JPH04128203A (en) | 1990-09-18 | 1990-09-18 | Herbicidal composition for paddy field |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24617090A JPH04128203A (en) | 1990-09-18 | 1990-09-18 | Herbicidal composition for paddy field |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04128203A true JPH04128203A (en) | 1992-04-28 |
Family
ID=17144556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24617090A Pending JPH04128203A (en) | 1990-09-18 | 1990-09-18 | Herbicidal composition for paddy field |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04128203A (en) |
-
1990
- 1990-09-18 JP JP24617090A patent/JPH04128203A/en active Pending
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