JPH03223203A - Tablet or capsule for controlling weed in paddy field - Google Patents
Tablet or capsule for controlling weed in paddy fieldInfo
- Publication number
- JPH03223203A JPH03223203A JP2235039A JP23503990A JPH03223203A JP H03223203 A JPH03223203 A JP H03223203A JP 2235039 A JP2235039 A JP 2235039A JP 23503990 A JP23503990 A JP 23503990A JP H03223203 A JPH03223203 A JP H03223203A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- herbicidal
- water
- tablet
- tablets
- 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
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- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229940050271 potassium alum Drugs 0.000 description 1
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 description 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- QRDZFPUVLYEQTA-UHFFFAOYSA-N quinoline-8-carboxylic acid Chemical compound C1=CN=C2C(C(=O)O)=CC=CC2=C1 QRDZFPUVLYEQTA-UHFFFAOYSA-N 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
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 229950003429 sorbitan palmitate Drugs 0.000 description 1
- 229960005078 sorbitan sesquioleate Drugs 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
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- 239000007916 tablet composition Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 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
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicinal Preparation (AREA)
- Medicines Containing Plant Substances (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か挙げられるが
、その他機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か挙げられる。``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 powdered solid carrier include spraying an emulsion of the herbicidal ingredient dissolved in an organic solvent as it is, and finely pulverized weed control. One method is to directly spray a flowable agent in which the ingredients are dispersed/suspended in water.
[発明か解決しようとする問題点」
しかしなから微粒剤、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lO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が、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はならない。従って薬剤の運搬
、散布作業は過酷な労力を必要とするたけてなく、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。[Problem to be solved by invention] However, when applying fine particles, granules, and wettable powders,
While carrying a heavy sprayer or granulator containing a chemical,
For example, the usual method is to walk around the rice fields to spray 3 to 4 kg of granules per 100 acres, but it is also necessary to spread the chemicals evenly and evenly by using a large Niagara hose from the ridges. No. Therefore, transporting and spraying the chemicals is extremely labor-intensive and often damages the paddy rice seedlings, which is undesirable for their growth.
乳剤、フロワブル剤のfl&用に当っても、薬剤重量は
成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かあり、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かある。Even when applying emulsions and flowables, the weight of the drug is reduced to a certain degree and a large-sized sprayer is not required, but it is necessary to use a container that dispenses a fixed amount of drug, and it is difficult to distribute the drug evenly. I still need to walk around the rice fields.
[問題点を解決するための手段J
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
とかできる。すなわち本発明は、水田に施用した薬量の
全量か実質的に田水に溶解するスルホニルウレア系除草
成分、界面活性剤、発泡剤及び結合剤を含有する水田除
草用錠剤又はカプセルに関し、さらには、水田に施用し
た薬量の全量か実質的に田水に溶解するその他除草成分
を付加したものを含有する水田除草用錠剤又はカプセル
に関する。また本発明は、当該錠剤又はカプセルをlO
アール当り10〜200ケ、かつ該錠剤又はカプセルの
総重量か200〜1500g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
散せしめる水田除草方法に関する。[Means for Solving the Problems J] The present invention solves the above-mentioned drawbacks of the conventional methods, and makes it possible to weed rice fields by a simple method without using a special chemical sprayer. That is, the present invention relates to a tablet or capsule for weeding rice fields containing a sulfonylurea herbicidal component, a surfactant, a foaming agent, and a binder that dissolve substantially all of the amount of the drug applied to rice fields, and further, The present invention relates to tablets or capsules for weeding rice fields containing the entire amount of the drug applied to rice fields or the addition of other herbicidal ingredients that are substantially soluble in rice water. The present invention also provides the tablet or capsule with 1O
It relates to a method for weeding rice fields, in which the tablets or capsules are applied to flooded rice fields at a rate of 10 to 200 tablets or capsules per are, and the total weight of the tablets or capsules is 200 to 1500 g, and substantially the entire amount of herbicidal ingredients is dissolved and dispersed in the rice water. .
本発明において゛′水田に施用した薬量の全量か実質的
に田水に溶解する″と規定したスルホニルウレア系除草
成分又はその他除草成分とは、実質的に水稲苗に薬害を
与えないか除草効果を奏するに十分な薬量つまり実用薬
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か除草成分
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。例えばメチル−2−(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−
トルイレート(以下A−2と略す)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、湛水深5cmと仮定したときの田水中に
おける濃度はO,1〜0.15ppm(実用薬量)にな
り、また水への溶解度(25’C)は8 ppmである
ので、本発明で規定したスルホニルウレア系除草成分に
該当する。一方、最近水田用除草剤として実用されてい
る除草成分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(以下
ビラジキシフェンと略す)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180〜300g
施用され、湛水深5cmの田水中における濃度は3.6
〜6 ppm(実用薬量)になり、また水への溶解度(
25°C)は0.9 ppmであるので、本発明で規定
したその他除草成分に該当しない。このことは、前記除
草成分A−2がビラジキシフェンに比しその含有量が少
ないために本発明の錠剤又はカプセルに製剤し易いたけ
てなく、製剤品を水田に施用した場合でも、A−2は溶
解度も高いため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、ビラジキシフェンは余り溶解せ
ず分散し難いため、固型物の状態で水底に沈降すること
を示している。In the present invention, the sulfonylurea herbicidal ingredients or other herbicidal ingredients defined as ``the entire amount applied to paddy fields or substantially dissolved in the rice water'' are defined as sulfonylurea herbicidal ingredients or other herbicidal ingredients that do not substantially cause phytotoxicity to paddy rice seedlings or have a herbicidal effect. If we apply a sufficient amount of herbicidal ingredient, that is, a practical amount, to a rice field, and assume that the entire amount is dissolved in the rice water, the concentration of the herbicidal ingredient in the rice field water or the solubility of the herbicidal ingredient in water (25°C ) means a herbicidal ingredient which is the following, for example methyl-2-(4,6-cymethoxypyrimidin-2-ylcarbamoylsulfamoyl)o-
Toluylate (hereinafter abbreviated as A-2) is used as a practical herbicide in the early to mid-stage of paddy rice cultivation, usually in an amount of 5 to 7.
Assuming that 5g is applied and the water depth is 5cm, the concentration in field water will be O, 1 to 0.15ppm (practical dosage), and the solubility in water (25'C) is 8ppm. This corresponds to the sulfonylurea herbicidal ingredients defined in the invention. On the other hand, the herbicidal ingredient 4-(2,4-dichlorobenzoyl)-1, which has recently been put into practical use as a herbicide for paddy fields,
3-dimethyl-5-phenacyloxypyrazole (hereinafter abbreviated as biradixifene) is usually used in a practical dose of 180 to 300 g per 10 ares as a herbicide in the early to middle stages of rice cultivation.
The concentration in field water at a depth of 5 cm was 3.6.
~6 ppm (practical dosage), and its solubility in water (
25°C) is 0.9 ppm, so it does not fall under the other herbicidal ingredients defined in the present invention. This means that it is not easy to formulate the herbicidal ingredient A-2 into the tablets or capsules of the present invention because its content is lower than that of biradixifene, and even when the formulation is applied to paddy fields, A-2 is Because of its high solubility, it quickly dissolves in rice water and is dispersed widely and uniformly, whereas biradixifene does not dissolve very well and is difficult to disperse, so it settles to the bottom of the water in a solid state.
当該スルホニルウレア系除草成分の具体例としては、例
えばN−((4,6−シメトキシピリミジン2−イル)
アミノカルホニル〕−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(以下A−1と略す)、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−トルイレート(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〕−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(以下A−3と略す)、N−(2
−クロロイミタゾ(1,2−a)ピリジン3−イルスル
ホニル) −N’ −(4,6−シメトキシー2−ピリ
ミジニル)ウレア(以下A−4と略す)及び3−(4,
6−シメトキシー1.3.5−h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(以下A5と略す)なとが挙げられる。Specific examples of the sulfonylurea herbicidal ingredients include N-((4,6-cymethoxypyrimidin-2-yl)
aminocarbonyl]-3-methyl 5-(2-chloro-2
, 2-difluoroethoxy 4-isothiazolesulfonamide (hereinafter abbreviated as A-1), methyl-α-(4,6-
cymethoxypyrimidin-2-ylcarbamoylsulfamoyl) o-toluylate (A-2), N-((4,
6-Simethoxypyrimidin-2-yl)aminocarbonyl]-4-ethoxycarbonyl-1-methyl-2-pyrazole sulfonamide (hereinafter abbreviated as A-3), N-(2
-chloroimitazo(1,2-a)pyridin-3-ylsulfonyl) -N'-(4,6-simethoxy2-pyrimidinyl)urea (hereinafter abbreviated as A-4) and 3-(4,
6-Simethoxy1.3.5-hRyazin-2-yl)
-1-(2-(2-methoxyethoxy)-phenylsulfonyl)urea (hereinafter abbreviated as A5).
その他除草成分としては、2−メチルチオ−4,6ヒス
(エチルアミノ)−6−1リアジン(以下B−1と略す
)、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トリアノン(以下B
−2と略す)なとのトリアジン類;3,7−ジクロロ−
8−キノリンカルボン酸(以下B−3と略す)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
(以下B4と略す)、N−(2°−(3゛−メトキシ)
−チエニルメチル)−N−クロロアセト−2,6−シス
チルアニリド(以下B−5と略す)、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(以下B−6と略す)なとの
アニリド類;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−ピリジンジ力ルホチオエート(以下B−
7と略す)なとか挙げられるが、水への溶解性、水稲、
雑草への作用効果などを考慮すると、トリアジン類、キ
ノリンカルホン酸類か望ましい。Other herbicidal ingredients include 2-methylthio-4,6-his(ethylamino)-6-1 riazine (hereinafter abbreviated as B-1), 2-methylthio-4-ethylamino-6-(1,2
-dimethylpropylamino) -S trianone (hereinafter B
-2) triazines; 3,7-dichloro-
Quinoline carboxylic acids such as 8-quinoline carboxylic acid (hereinafter abbreviated as B-3), 2-chloro-2', 6'-
Diethyl-N-(2propoxyethyl)acetanilide (hereinafter abbreviated as B4), N-(2°-(3′-methoxy)
-thienylmethyl)-N-chloroaceto-2,6-cystylanilide (hereinafter abbreviated as B-5), 2', 6'-
diethyl-N-((2-cis-butenooxy)methyl)
Anilides such as 2-chloroacetanilide (hereinafter abbreviated as B-6); S,S-dimethyl-2-difluoromethyl-4-(2-methylpropyl)-6(trifluoromethyl)-3,5-pyridine di Power sulfothioate (hereinafter referred to as B-
(abbreviated as 7), solubility in water, paddy rice,
Considering the effects on weeds, triazines and quinolinecarphonic acids are preferable.
本発明における界面活性剤は、除草成分、結合剤なとに
親水性を与えるものであり、例えばドデシルヘンセンス
ルホン酸ナトリウム、ジアルキルスルホサクシネート、
ジアルキルスルホコハク酸エステルナトリウム、ラウリ
ル硫酸ナトリウム、高級アルコール硫酸ナトリウム、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
ルン酸ナ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、アルキルアリールスルホネート、アル
キルアリー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、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、ポリ
オキシエチレンソルヒタンモノラウレート、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、ソルビタンモノオレート、ソルビタ
ンモノラウレート、ソルビタンモノステアレート、ソル
ビタンセスキオレエート、ソルビタンパルミテート、ア
セチレングリコール、ジグリセリンホラートモノステア
レートなとの非イオン系界面活性剤か挙げられる。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
のの混合物として使用してもよい。The surfactant in the present invention is one that imparts hydrophilicity to herbicidal ingredients, binders, etc., such as sodium dodecylhensensulfonate, dialkyl sulfosuccinate,
Sodium dialkyl sulfosuccinate, sodium lauryl sulfate, sodium higher alcohol sulfate, sodium lignin sulfonate, polyoxyethylene alkylaryl ether sulfate, sodium β-naphthalene sulfate formalin condensate dinaphthalene methanesulfonate, alkylaryl sulfonate, alkylaryl sulfone Anionic surfactants such as sodium acid and sodium alkylnaphthalene sulfonate:
Polyoxyethylene nonylphenyl ether, polyoxyethylene oleyl ether, polyoxyethylene oleate, polyoxyethylene alkylaryl ether, polyoxyethylene alkyl ether, polyoxyethylene solhitane monolaurate, polyoxyethylene fatty acid ester, polyoxy Examples include nonionic surfactants such as ethylene styrylphenyl ether, sorbitan monooleate, sorbitan monolaurate, sorbitan monostearate, sorbitan sesquioleate, sorbitan palmitate, acetylene glycol, and diglycerol phorate monostearate. 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、本発明の錠剤又はカプセルの製剤において、特定
の界面活性剤を用いると主なる除草成分であるスルホニ
ルウレア系化合物の分解か抑制されることか判明した。Furthermore, it has been found that the use of a specific surfactant in the tablet or capsule formulation of the present invention inhibits the decomposition of the sulfonylurea compound, which is the main herbicidal component.
この特定の界面活性剤としては、その構造中にオキシエ
チレン基、オキシプロピレン基なと、1以上数十程度の
オキシアルキレン基を3まないものであり、例えば前述
した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、ポリオキシエチレンノニルフェニルエチル以
外のものなとである。更に、オキシアルキレン基をき有
する界面活性剤であっても、スルホニルウレア系除草成
分の分解を促進しない程度であれば、その量的範囲内で
その他の界面活性剤と併用してもよい。This specific surfactant has one or more than several tens of oxyalkylene groups such as oxyethylene group or oxypropylene group in its structure, such as the aforementioned polyoxyethylene alkylaryl ether sulfate. , other than polyoxyethylene nonylphenylethyl. Furthermore, even if the surfactant has an oxyalkylene group, it may be used in combination with other surfactants within the quantitative range as long as it does not promote the decomposition of the sulfonylurea herbicidal component.
本発明における発泡剤は、水の存在下において反応して
ガスを発生する、酸性物質及びアルカリ性物質を組合せ
たものである。酸性物質としては、そのもの自身か酸性
を示すもの或は水に溶解して酸性を示すものであって、
例えばクエン酸、酒石酸、蓚酸、コハク酸、マレイン酸
、フタル酸、リンゴ酸、アジピン酸なとの有機酸;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の水素塩;カ
リミョウバン、アンモニウムミョウバンなどのミョウバ
ン類、なとか挙げられ、アルカリ性物質としては、例え
ば炭酸ナトリウム、炭酸カリウム、炭酸カルシウム、炭
酸マグネシウム、炭酸アンモニウムなとの炭酸塩:重炭
酸ナトリウム、重炭酸カリウムなとの重炭酸塩;過炭酸
ナトリウムのような過炭酸塩:なとか挙げられる。The blowing agent in the present invention is a combination of acidic and alkaline substances that react in the presence of water to generate gas. Acidic substances are those that show acidity themselves or those that show acidity when dissolved in water,
Organic acids such as citric acid, tartaric acid, oxalic acid, succinic acid, maleic acid, phthalic acid, malic acid, adipic acid; sodium dihydrogen phosphate, potassium dihydrogen phosphate, ammonium dihydrogen phosphate, potassium hydrogen sulfate, etc. hydrogen salts; alums such as potassium alum and ammonium alum; examples of alkaline substances include carbonates such as sodium carbonate, potassium carbonate, calcium carbonate, magnesium carbonate, and ammonium carbonate; Examples include bicarbonates such as potassium carbonate; percarbonates such as sodium percarbonate.
本発明で用いられる結合剤は各構成成分粒子を結合する
ものであって、望ましくは水溶性のものであればいずれ
のものでもよいが、例えばカルボキシメチルセルロース
、その塩、デキストリン、ポリエチレングリコール、ポ
リビニルアルコール、ポリアルキレングリコール、リグ
ニンスルホン酸塩、アラビアゴム、澱粉のり、その他、
澱粉類、ショ糖などが挙げられる。また、本発明におけ
る結合剤として、そのもの自身か一般的な結合剤でなく
ても、各構成成分粒子を結合する役目を果たすものであ
れば適宜使用することもてきる。このようにしてf重用
することかできるものとしては、例えばステアリン酸、
コハク酸、アジピン酸、リン酸などの酸性物質及びそれ
らの塩:炭酸ナトリウム、重炭酸ナトリウムなどのアル
カリ性物質;などか挙げられる。The binder used in the present invention binds each component particle, and any binder may be used as long as it is preferably water-soluble, and examples include carboxymethyl cellulose, its salts, dextrin, polyethylene glycol, and polyvinyl alcohol. , polyalkylene glycol, lignin sulfonate, gum arabic, starch paste, etc.
Examples include starches and sucrose. Further, as the binder in the present invention, it is not necessary to use the binder itself or a general binder, but any suitable binder can be used as long as it fulfills the role of binding the constituent particles. Examples of substances that can be used in this way include stearic acid,
Acidic substances such as succinic acid, adipic acid, and phosphoric acid and their salts; alkaline substances such as sodium carbonate and sodium bicarbonate; and the like.
また結合剤においても前述した界面活性剤のようにスル
ホニルウレア系除草成分の分解を抑制させるものかある
。このようなものとしては、例えばポリエチレンクリコ
ール、ポリビニルアルコール、ポリアルキレングリコー
ルなとのオキシアルキレン基を含む化合物以外のものか
挙げられる。Also, some binders, such as the surfactants mentioned above, inhibit the decomposition of sulfonylurea herbicidal components. Examples of such compounds include compounds other than compounds containing oxyalkylene groups, such as polyethylene glycol, polyvinyl alcohol, and polyalkylene glycol.
しかしながら、前述のような結合剤であっても、スルホ
ニルウレア系除草成分の分解を促進しない程度であれば
、その量的範囲内で用いてもよい。However, even the above-mentioned binders may be used within the quantitative range as long as they do not promote the decomposition of the sulfonylurea herbicidal components.
界面活性剤、発泡剤及び結合剤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
には試行錯誤的な実験によって適当なものを選抜せねば
ならない。The selection of surfactants, foaming agents, and binders differs depending on the type of herbicidal component and the proportion of the entire formulation, so in practice, suitable ones must be selected through trial-and-error experiments.
本発明の水田除草用錠剤又はカプセルは、前記スルホニ
ルウレア系除草成分、界面活性剤、発泡剤及び結合剤か
らなるもの、また、さらには、前記その他除草成分を付
加したものを含有するものであり、例えば前記スルホニ
ルウレア系除草成分1重量部に対し、前記界面活性剤を
O,1〜20重量部、望ましくは1〜10重量部、さら
に望ましくは1〜5重量部、発泡剤を1〜800重量部
、望ましくは5〜100重量部、さらに望ましくは5〜
25重量部、並びに結合剤をO,1〜20重量部、望ま
しくは0.2〜10重量部、さらに望ましくは0.4〜
1.5重量部の比率で含有するものである。また、その
他除草成分は前記スルホニルウレア系除草成分1重量部
に対し、0.5〜100重量部配合してもよく、この場
合全ての除草成分に対する前記界面活性剤、発泡剤及び
結合剤の配合比率は面述の範囲と同してよく、勿論餌述
の範囲外のものでも初期の効果を示す限り、本発明に含
まれる。The tablet or capsule for weeding rice fields of the present invention comprises the above-mentioned sulfonylurea herbicidal component, surfactant, foaming agent, and binder, and further contains the above-mentioned other herbicidal component added, For example, for 1 part by weight of the sulfonylurea herbicidal component, 1 to 20 parts by weight of the surfactant, preferably 1 to 10 parts by weight, more preferably 1 to 5 parts by weight, and 1 to 800 parts by weight of the blowing agent. , preferably 5 to 100 parts by weight, more preferably 5 to 100 parts by weight
25 parts by weight, and a binder of O, 1 to 20 parts by weight, preferably 0.2 to 10 parts by weight, more preferably 0.4 to 20 parts by weight.
The content is 1.5 parts by weight. In addition, other herbicidal components may be added in an amount of 0.5 to 100 parts by weight per 1 part by weight of the sulfonylurea herbicidal component, and in this case, the blending ratio of the surfactant, foaming agent, and binder to all the herbicidal components The above mentioned range may be the same, and of course, even those outside the above mentioned range are included in the present invention as long as they show initial effects.
本発明の錠剤又はカプセルは前述の成分以外に固型担体
、他の農薬助剤を含有することかできる。The tablets or capsules of the present invention may contain solid carriers and other agrochemical auxiliaries in addition to the above-mentioned ingredients.
また、本発明で規定した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、肥料成分なとも適宜含有することもてきる。固体
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、などの鉱物性微粉末;無水硫酸ナトリ
ウムなどの無機塩類、尿素などの有機物質等が挙げられ
、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
て固型担体は0.1〜50重量部並びに他の農薬助剤は
0.1〜20重量部である。In addition, weeding ingredients other than the herbicidal ingredients of the present invention, fungicidal ingredients, insecticidal ingredients, plant growth regulating ingredients, and fertilizer ingredients may be used as appropriate, as long as the water solubility and dispersibility of the herbicidal ingredients specified in the present invention are not significantly impaired. It can also contain. Examples of solid carriers include fine mineral powders such as kaolin, talc, clay, bentonite, and finely powdered silica; inorganic salts such as anhydrous sodium sulfate; and organic substances such as urea; commonly used as other pesticide aids. Examples include solvents, decomposition inhibitors, phytotoxicity reducers, dispersion stabilizers, disintegrants, desiccants, etc. Although the amounts used cannot be absolutely regulated, generally the solid carrier is 0.1 to 50 parts by weight and the other agricultural chemical auxiliaries are 0.1 to 20 parts by weight relative to the entire tablet or capsule. .
本発明の錠剤又はカプセルは通常、下記の方法或はそれ
に準じた方法により容易に製造される。The tablets or capsules of the present invention are usually easily manufactured by the following method or a method analogous thereto.
一般に前記除草成分が固体の場合、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、粒径か1
〜200μ、望ましくは1〜lOOμの微細粒子として
使用する。錠剤の製造方法としては、例えば除草成分、
界面活性剤、発泡剤及び結合剤を同時に混合するか或は
予め混合した任意の成分にその他残りの成分を混ぜるこ
とにより全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。ここで固体担体又は池の農
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発泡剤
及び結合剤と混合する方法などが挙げられる。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、適当なものか実施される。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、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か大きく影響される
ものでないので、いずれの形状、大きさ、重さのもので
あってもよいが、形状か円形板状で大きさか直径I〜5
cm厚さ0.2〜3cm、重さ力用〜150gのものか
製剤上、薬剤施用上好ましい。Generally, when the herbicidal component is solid, it is possible to reduce the particle size by pulverizing it in advance to increase its solubility and dispersibility in water.
It is used as fine particles of ~200μ, preferably 1~1OOμ. As a method for manufacturing tablets, for example, herbicidal ingredients,
Mix all the ingredients uniformly by mixing the surfactant, foaming agent and binder at the same time, or by mixing the remaining ingredients with any pre-mixed ingredients, grind to a particle size of 1~200μ, and grind this. Tablets are formed by compression molding using a tablet machine in accordance with a conventional method. When using a solid carrier or agrochemical auxiliary agent, a method such as mixing it uniformly with a herbicidal component and a surfactant in advance, pulverizing it to form a wettable powder, and then mixing it with a foaming agent and a binder. can be mentioned. Of course, the above-mentioned method for manufacturing tablets may be modified as appropriate in consideration of medicinal efficacy, formulation properties, etc., and any suitable methods may be implemented. Tablets are manufactured in various shapes and sizes, such as circular plates, elliptical plates, square plates, and rods, depending on the manufacturing method and tablet press. Since the shape of the tablet does not greatly affect its medicinal efficacy, it may be of any shape, size, or weight, but tablets with a circular plate shape and a diameter of I to 5.
Thickness of 0.2 to 3 cm and weight of up to 150 g are preferable 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、発泡剤及び結合剤を均一に混合し、必要
ならば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、粉砕した粉砕物を粒径lμ〜1.5 n+m
に造粒し、この顆粒を水溶性セルロース、セラチンなと
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の形状、さらには球状、楕円球
状、大きさ、重さかいずれのものでもよいが、形状か楕
円球状で大きさか直径1〜5cm長さ1〜10cm、重
さか1〜150gのものか好ましい。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ほかに、前
記粉砕物又は水和剤をカプセル容器に充填せず、そのま
ま水溶性セルロース、セラチンなと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, a blowing agent, and a binder, and if necessary, adding a solid carrier or an agrochemical auxiliary agent and mixing them uniformly; The pulverized material has a particle size lμ~1.5n+m
The granules are then filled into capsules made of water-soluble cellulose or ceratin, or the pulverized product or wettable powder is directly filled into capsules without granulation. These capsules may have the same shape as tablets, and may also be spherical, oval, or spherical in size and weight. ~150g is preferred. In addition to those formulated as described above, the capsules of the present invention also include those in which the pulverized product or hydrating agent is not filled into a capsule container, but is wrapped as it is in a water-soluble film of water-soluble cellulose or seratin.
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、水との接触によりガスを発生し、除草成分が田水中
に速やかに溶出し、さらに界面活性剤も作用して、除草
成分か水中に拡散して均一に分散する。かくして本発明
の錠剤又はカプセルを水田に投与すると速やかに実質的
に除草成分の全量を田水中に溶解、分散させることかで
き、例えば数時間〜202時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かできる。When the tablets or capsules of the present invention are applied to flooded paddy fields, they generate gas upon contact with water, and the herbicidal ingredients are quickly eluted into the rice water, and the surfactant also acts to remove the herbicidal ingredients from the water. to disperse evenly. Thus, when the tablets or capsules of the present invention are administered to rice fields, substantially the entire amount of the herbicidal ingredient can be dissolved and dispersed in the rice field water, and for example, after several hours to 202 hours, the herbicidal ingredient is evenly distributed in the rice field water. This makes it possible to uniformly control weeds without causing chemical damage to paddy rice.
本発明の錠剤又はカプセルを用いて水田の除草を行なう
場合10アール当り10〜200ケ、かつ錠剤又はカプ
セルの総重量か200〜1500g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、発泡剤、結合剤及びその他
の添加物の種類、配合割合なとの相違により一概に規定
てきないが、10アール当り除草成分5〜150gを錠
剤又はカプセル1ケに0.05〜15g宛分割し、これ
を10−100ケ施用する。かくして錠剤又はカプセル
は10〜100mに1ケ宛施用すればよく、従って水田
に入らす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。When weeding rice fields using the tablets or capsules of the present invention, the dosage is 10 to 200 per 10 ares and the total weight of the tablets or capsules is 200 to 1,500 g; however, if the tablets or capsules greatly deviate from this range, the medicinal effect may be affected. It is undesirable due to chemical damage or requires a lot of effort to spray. The preferred method of application cannot be unconditionally defined due to differences in the manufacturing method of tablets or capsules, their size, types of herbicidal ingredients, surfactants, blowing agents, binders, and other additives, and their blending ratios, but 10 Divide 5 to 150 g of herbicidal ingredient per area into 0.05 to 15 g of tablets or capsules, and apply 10 to 100 tablets or capsules. In this way, tablets or capsules only need to be applied once every 10 to 100 m, and therefore, they can be thrown into the paddy fields of the relevant area from the ridges into which they enter the paddy fields.
The spraying operation is simple and has advantages over conventional chemical application methods.
本発明の錠剤又はカプセルを用いて水田の除草を行なう
場合は、一般に移植水稲の場合稚苗移植5〜15日後、
直播水稲の場合播種10〜20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
来さない限りその他の時期に適用することもてきる。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が得られる。When weeding rice fields using the tablets or capsules of the present invention, in general, in the case of transplanted paddy rice, 5 to 15 days after transplanting young seedlings,
In the case of direct-seeded paddy rice, the most favorable effect can be obtained when applied during the early to mid-stage of paddy rice cultivation, 10 to 20 days after sowing. It can also be applied at different times. Further, even if the tablets or capsules of the present invention are once dissolved or dispersed in an appropriate amount of water and 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
本発明か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 by these descriptions.
以下の実施例において「部」は重量基準で表わす。In the following examples, "parts" are expressed on a weight basis.
「実施例」
(発泡性配合物の調製)
調製例1
コハク酸42.4部、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PR1第−工業製薬味製)5
.2部、重炭酸ソーダ31.4部及び炭酸ソータ21.
0部を均一に混合し、マイクロサンプルミル(AP−3
型、細用工業■製)て微粉化し、発泡性配合物Aを得た
。"Example" (Preparation of foamable formulation) Preparation example 1 42.4 parts of succinic acid, sodium carboxymethyl cellulose (trade name: Celogen PR1 manufactured by Dai-Kogyo Seiyaku Aji) 5
.. 2 parts, 31.4 parts of bicarbonate of soda, and 21 parts of carbonate sorter.
Mix 0 parts uniformly and use a micro sample mill (AP-3
The mixture was pulverized using a mold (manufactured by Saiyo Kogyo ■) to obtain a foamable formulation A.
調製例2
上記調製例1において、微粉化前の混合物にさらに色素
(商品名;食用青色1号、ブリリアントブルーFCF、
東京化成側製)0.5部を均一に混合し、上記調製例1
の場合と同様にして発泡性配合物Bを得た。Preparation Example 2 In Preparation Example 1 above, dyes (trade names: Food Blue No. 1, Brilliant Blue FCF,
(manufactured by Tokyo Kasei) was mixed uniformly, and the above Preparation Example 1 was prepared.
A foamable formulation B was obtained in the same manner as in Example 1.
(錠剤A−P及び比較錠剤(a)〜(区の調製)製剤例
1
予め乳鉢て粒径5〜10μ程度に摩り潰した除草成分A
I 0.46部及びその他除草成分B33.34部、
ポリオキシエチレンノニルフェニルエーテル5096及
び微粉末シリカ50%混合物(商品名;デイクスゾール
W−92、第−工業製薬味製)3.8部並びに前記発泡
性配合物A 92.4部を混合し、マイクロサンプルミ
ル(同前)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
/cnfて2分間圧縮成型して直径5cm、厚さ1.6
cmの錠剤A(48,0g)を得た。(Preparation of Tablets A-P and Comparative Tablets (a) to (A)) Formulation Example 1 Herbicidal ingredient A ground in advance in a mortar to a particle size of approximately 5 to 10μ
I 0.46 parts and other herbicidal ingredients B 33.34 parts,
3.8 parts of polyoxyethylene nonylphenyl ether 5096 and a 50% mixture of finely powdered silica (trade name: Deixsol W-92, manufactured by Dai-Kogyo Seiyaku Ami) and 92.4 parts of the foamable compound A were mixed, and It was pulverized using a sample mill (same as above) to obtain a pulverized product. This crushed material 48
.. 2 g using a tablet press at a pressure of 150-160 kg
/cnf and compression molded for 2 minutes to a diameter of 5cm and a thickness of 1.6cm.
cm tablet A (48.0 g) was obtained.
製剤例2
前記製剤例1の粉砕前の混合物に色素(食用青色1号、
同前)を全重量の2%程度加えた以外は前記製剤例1の
場合と同様にして、粉砕物38.6gを打錠機を用いて
直径5cm厚さ1.3 cmの錠剤B(38,4g)を
得た。Formulation Example 2 A pigment (Food Blue No. 1,
In the same manner as in Formulation Example 1 above, except that approximately 2% of the total weight of B (38 , 4g) was obtained.
製剤例3
前記製剤例1の場合と同様にして、打錠機を用いて粉砕
物10.7 gを圧縮成型して直径2.5 cm、厚さ
0.8 cmの錠剤C(10,5g)を得た。Formulation Example 3 In the same manner as in Formulation Example 1, 10.7 g of the pulverized material was compression-molded using a tablet machine to form tablets C (10.5 g) with a diameter of 2.5 cm and a thickness of 0.8 cm. ) was obtained.
製剤例4
前記製剤例1において、除草成分A−11,2部、その
他除草成分B−38,8部、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(商品名;ツルポール
5039、東邦化学工業■製)3.0部、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、第一工業製薬■製)2.0部、微粉末シリカ
(商品名、カープレックス、塩野義製薬■製)6部及び
カオリナイト及びセリサイトの混合粉砕物(商品名、ジ
−クライト、ジークライト側製)79.0部からなる水
和剤37.9部と前記発泡性配合物A 62.1部とを
用い前記製剤例1の場合と同様にして、粉砕したちの1
0.7 gを打錠機を用いて圧縮成型して直径2.5
cm、厚さ0.8 cmの錠剤D(10,5g)を得た
。Formulation Example 4 In Formulation Example 1, 11.2 parts of herbicidal component A, 38.8 parts of other herbicidal component B, polyoxyethylene alkylaryl ether sulfate (trade name: Tsurupol 5039, manufactured by Toho Kagaku Kogyo ■)3. 0 parts, sodium naphthalene sulfonate formalin condensate (trade name: Lavelin FAN, manufactured by Daiichi Kogyo Seiyaku ■) 2.0 parts, fine powder silica (trade name: Carplex, manufactured by Shionogi & Co., Ltd.) 6 parts, and kaolinite The above formulation example was prepared using 37.9 parts of a wettable powder consisting of 79.0 parts of a mixed pulverized product of sericite (trade name: Zeekrite, manufactured by Zeeklite) and 62.1 parts of the foamable formulation A. In the same way as in case 1, crush 1
Compression mold 0.7 g using a tablet machine to a diameter of 2.5
Tablets D (10.5 g) with a thickness of 0.8 cm and a thickness of 0.8 cm were obtained.
製剤例5
前記製剤例4の場合と同様にして粉砕したもの48、2
gから直径5cm、厚さ1.6 cmの錠剤E(48
,0g)を得た。Formulation Example 5 Pulverized in the same manner as in Formulation Example 4 48,2
Tablet E (48
,0g) was obtained.
製剤例6
前記製剤例1において除草成分A−20,52部、その
他除草成分B−33,33部、デイクスソールW−92
(同前’) 3.85部及び前記発泡性配合物A 92
.3部を用い、前記製剤例1の場合と同様にして粉砕物
48.2 gから直径5cm、厚さ1゜6cmの錠剤F
(48,0g)を得た。Formulation Example 6 In Formulation Example 1, 20.52 parts of herbicidal component A, 33.33 parts of other herbicidal component B, and Deixsol W-92 were added.
(same as above) 3.85 parts and the foamable formulation A 92
.. Using 3 parts, tablets F with a diameter of 5 cm and a thickness of 1°6 cm were prepared from 48.2 g of the crushed product in the same manner as in Formulation Example 1.
(48.0 g) was obtained.
製剤例7
前記製剤例1において除草成分A−21,35部、その
他除草成分B−38,65部、ツルポル5039 (同
前)3.0部、ラベリンFAN(同前)2.0部、カー
プレックス(同前)6.0部及びジ−クライト(同前)
79.0部からなる水和剤38.53部と前記発泡性配
合物A61.47部を用い、前記製剤例1の場合と同様
にして、粉砕物48.2 gから直径5cm、厚さ1.
6 cmの錠剤G(48,0g)を得た。Formulation Example 7 In Formulation Example 1, 21.35 parts of herbicidal component A, 38.65 parts of other herbicidal component B, 3.0 parts of Tsurupol 5039 (same as above), 2.0 parts of Ravelin FAN (same as above), Plex (same as before) 6.0 parts and Sickle (same as before)
Using 38.53 parts of a hydrating powder consisting of 79.0 parts and 61.47 parts of the foamable formulation A, 48.2 g of the ground product was prepared in the same manner as in Formulation Example 1, with a diameter of 5 cm and a thickness of 1. ..
6 cm tablets G (48.0 g) were obtained.
製剤例8
前記製剤例1において除草成分A−10,455部、そ
の他除草成分B−33,34部、その他除草成分B−1
1,53部、デイクスゾールW−92(同前) 5.3
3部及び前記発泡性配合物A89.36部を用い、前記
製剤例1の場合と同様にして、粉砕物48.2 gから
直径5cm、厚さ1.6 cmの錠剤H(48,0g)
を得た。Formulation Example 8 In Formulation Example 1, 10,455 parts of herbicidal component A, 33,34 parts of other herbicidal component B-1, and other herbicidal component B-1
1,53 copies, Deixsol W-92 (same as above) 5.3
Tablets H (48.0 g) with a diameter of 5 cm and a thickness of 1.6 cm were prepared from 48.2 g of the crushed product in the same manner as in Formulation Example 1 using 3 parts of the effervescent formulation A and 89.36 parts of the effervescent formulation A.
I got it.
製剤例9
前記製剤例1において除草成分A−10,85部、その
他除草成分B−36,27部、その他除草成分B−12
,87部、ツルポール5039 (同前)3.0部、ラ
ベリンFAN (同前)2.0部、カープレックス(同
前)6.0部及びジ−クライト(同前)79.0部から
なる水和剤53.19部と前記発泡性配合物A 46.
81部を用い、前記製剤例1の場合と同様にして、粉砕
物48.2 gから直径5cm、厚さ1、6 cmの錠
剤1(48,0g)を得た。Formulation Example 9 In Formulation Example 1, 10.85 parts of herbicidal ingredient A, 36.27 parts of other herbicidal ingredient B-12, and other herbicidal ingredient B-12.
, 87 parts, Tsurupol 5039 (same as before), 3.0 parts, Labelin FAN (same as before) 2.0 parts, Carplex (same as before) 6.0 parts, and Zeekrite (same as before) 79.0 parts. 53.19 parts of a hydrating agent and the foamable formulation A 46.
Tablet 1 (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 in the same manner as in Formulation Example 1 using 81 parts.
比較製剤例1
前記発泡性配合物A 38.08部、ビラジキシフェン
30゜96部及びデイクスゾールW−92(同前)30
、96部を混合し粉砕する以外は前記製剤例2の場合と
同様にして、打錠機を用いて粉砕物38.6gを圧縮成
型して直径5cm、厚さ1.6 cmの比較錠剤(a)
(38,4g)を得た。Comparative Formulation Example 1 38.08 parts of the effervescent formulation A, 30.96 parts of biradixifene, and 30 parts of Deixsol W-92 (same as above)
, 38.6 g of the pulverized product was compressed and molded using a tablet machine in the same manner as in Formulation Example 2, except that 96 parts of . a)
(38.4 g) was obtained.
製剤例IO〜I4及び比較製剤例2〜4予め乳鉢で摩り
潰した除草成分A−30,2部、その他除草成分B−3
3,3部、下記第1表に示した界面活性剤3.5部、前
記発泡性配合物B 88.0部及び酸化マクネシウム5
部を混合し、再度層り潰して粉砕物を得た。この粉砕物
4.05 gを打錠機を用いて圧力150〜l 60
kg/cnrて2分間圧縮成型して直径2cm、厚さ0
.8 cmの各々の錠剤(4,0g)を得た。Formulation Examples IO to I4 and Comparative Formulation Examples 2 to 4 Herbicidal ingredient A-30, 2 parts previously ground in a mortar, and other herbicidal ingredients B-3
3.3 parts, 3.5 parts of the surfactant shown in Table 1 below, 88.0 parts of the foamable formulation B, and 5 parts of magnesium oxide.
The mixture was mixed and ground again to obtain a pulverized product. Using a tablet press, press 4.05 g of this pulverized material at 150 to 60 liters.
Compression molded for 2 minutes at kg/cnr to a diameter of 2cm and a thickness of 0.
.. Each tablet of 8 cm (4.0 g) was obtained.
第1表
製剤例15
除草成分A−30,21部、その他除草成分833.3
2部、ツルケン90(同前)3.54部、酸化マグネシ
ウム5゜00部、色素(食用青色1号、同前)0.44
部及び前記発泡性配合物A87.49部を混合し、マイ
クロサンプルミル(同前)で微粉化して粉砕物を得た。Table 1 Formulation Example 15 Herbicidal ingredient A-30.21 parts, other herbicidal ingredients 833.3
2 parts, Tsuruken 90 (same as before) 3.54 parts, magnesium oxide 5.00 parts, pigment (Food Blue No. 1, same as before) 0.44
and 87.49 parts of the foamable blend A were mixed and pulverized using a micro sample mill (same as above) to obtain a pulverized product.
この粉砕物4.05 gを、打錠機を用いて圧力15
C)−160kg/cnfて2分間圧縮成型して直径2
cm、厚さ0.8 cmの錠剤0(4,0g)を得た。4.05 g of this pulverized material was compressed to 15 g using a tablet press.
C) - Compression molded for 2 minutes at 160kg/cnf to diameter 2
A tablet 0 (4.0 g) with a thickness of 0.8 cm and a thickness of 0.8 cm was obtained.
製剤例16
前記製剤例15において、ツルケン90(同前)をツル
ケン50(同前)に代える以外は前記製剤例15の場合
と同様にして、直径2cm、厚さ0.8 cmの錠剤P
(4,0g)を得た。Formulation Example 16 Tablets P with a diameter of 2 cm and a thickness of 0.8 cm were prepared in the same manner as in Formulation Example 15, except that Tsuruken 90 (same as above) was replaced with Tsuruken 50 (same as above).
(4.0 g) was obtained.
製剤例17
予め乳鉢で摩り潰した除草成分A−30,22部、その
他除草成分B−33,43部、B−71,01部、ツル
ケン50(同前)4.66部、酸化マグネシウム5.0
0部及び前記発泡性配合物885.68部を混合し再度
乳鉢で摩り潰して粉砕物を得た。Formulation Example 17 30.22 parts of herbicidal ingredient A previously ground in a mortar, 33.43 parts of other herbicidal ingredients B-7, 1.01 parts of B-7, 4.66 parts of Tsurken 50 (same as above), 5.0 parts of magnesium oxide. 0
0 parts and 885.68 parts of the above foamable blend were mixed and ground again in a mortar to obtain a pulverized product.
この粉砕物4.05 gを打錠機を用いて圧力150〜
160 kg/cwtて2分間圧縮成型して直径2cm
、厚さ0.8 cmの錠剤Q(4,0g)を得た。4.05 g of this pulverized material was compressed at a pressure of 150~ using a tablet machine.
Compression molded at 160 kg/cw for 2 minutes to a diameter of 2 cm.
, Tablets Q (4.0 g) with a thickness of 0.8 cm were obtained.
製剤例18
前記製剤例17において、その他除草成分B−7をB−
52,90部に、ツルケン50(同前)4.66部を6
.55部に並びに前記発泡性配合物B85、68部を8
1.90部に代える以外は前記製剤例17の場合と同様
にして、直径2cm、厚さ0.8cmの錠剤R(4,0
g)を得た。Formulation Example 18 In Formulation Example 17, other herbicidal ingredient B-7 was replaced with B-
52.90 copies, 4.66 copies of Tsuruken 50 (same as above) 6
.. 55 parts and 8 parts of the foamable formulation B85, 68 parts.
Tablets R (4,0
g) was obtained.
製剤例19
前記製剤例17において、その他除草成分B−7をB−
65,21部に、ツルケン50(同前)4.66部を8
.86部に並びに前記発泡性配合物B85゜68部を7
7、28部に代える以外は前記製剤例17の場合と同様
にして、直径2cm、厚さ0.8cmの錠剤S(4,0
g)を得た。Formulation Example 19 In Formulation Example 17, other herbicidal ingredient B-7 was replaced with B-
65.21 copies, 4.66 copies of Tsuruken 50 (same as before), 8
.. 86 parts and 7.68 parts of the foamable formulation B85.
Tablets S (4,0
g) was obtained.
試験例1 (分散性試験−I)
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■)に水深
約5cmで水を入れた。図1に示したとおり、円心から
0.75 m離れたW−1点に前記製剤例で作製した錠
剤を施用し、その施用後4時間経過後に円心から0.7
5m、1.75m又は2.75m離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。結果を下記第2表
に示す。Test Example 1 (Dispersibility Test-I) Water was poured at a depth of about 5 cm into a concrete circular pool (Figure ■) with a radius of 3.5 m and a cylinder with a radius of 0.5 m at the center as an obstacle. As shown in Figure 1, the tablet prepared in the above formulation example was applied to point W-1, 0.75 m away from the center of the circle, and 4 hours after application, the tablet was 0.7 m away from the center of the circle.
Water was sampled at each point 5 m, 1.75 m, or 2.75 m apart to investigate the dispersion status of the herbicidal components. The results are shown in Table 2 below.
第2表
(注)錠剤施用4時間後、
■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が、対比区
では水底に多量の沈澱物か認められた。Table 2 (Note) Four hours after application of the tablets, no tablet precipitates were observed in the invention area in point (2), but a large amount of precipitates were observed on the bottom of the water in the control area.
上記試験結果かられかるように、対比区では除草成分ビ
ラジキシフェンの均一分散か難しいのに対し、本発明区
では除草成分A−1及びB−3のいずれも均一に分散し
ている。As can be seen from the above test results, in the control plot it was difficult to uniformly disperse the herbicidal component biradixifen, whereas in the invention plot both the herbicidal components A-1 and B-3 were uniformly dispersed.
試験例2(分散性試験−■)
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1試験区当
り1ケ(図2のW−を地点)投入した。24時間後にW
−1,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。Test Example 2 (Dispersibility Test - ■) A test plot was set up in a paddy field with a width of 8 m and a length of 6 m as one section, and water was poured to a depth of 3 to 6 cm. Nine days after the plowing, one tablet prepared in the above formulation example was put into each test plot (point W- in FIG. 2). W after 24 hours
Field water was sampled at each point -1, X, and Y, and the dispersion status of herbicidal components was investigated.
なお水田にはワラ屑、雑草片などの多くの障害物か認め
られた。In addition, many obstacles such as straw waste and weeds were observed in the rice fields.
第3表
(注)試験区N(15及び6ては除草成分B−1は分析
せず、また粒剤A及びBは試験区Na l及び2並びに
Nα5及び6の錠剤にそれぞれ対応し、従来法により製
剤したものである。Table 3 (Note) Herbicidal ingredient B-1 was not analyzed in test plots N (15 and 6), and granules A and B corresponded to tablets in test plots Na 1 and 2 and Nα5 and 6, respectively. It is formulated according to the law.
上記試験結果かられかるように、本発明区の試験区Nα
1.2.5及び6における除草成分A−1及びB−3の
分散性は、比較区の試験区Nα7及び8に比して優ると
も劣らないことから、単なる投込みのみて除草成分の充
分な均一分散の結果か得られる。As can be seen from the above test results, the test area Nα of the invention area
The dispersibility of the herbicidal ingredients A-1 and B-3 in 1.2.5 and 6 was not inferior to that of the comparative test plots Nα7 and 8, so it was found that the herbicidal ingredients were not sufficiently contained by simply adding them. A uniform dispersion result can be obtained.
試験例3(除草試験−1)
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 P2O6K二14−10−13)
をlOa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16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。Test Example 3 (Weeding Test-1) After plowing a paddy field with a tractor on June 7th, granular chemical fertilizer (NP2O6K214-10-13) was used as the base fertilizer.
20 kg per 1Oa was applied. Entered the water on June 12th, 2
A few days later, the seedlings were plowed with a tractor, and on June 16, the two-leaf stage seedlings (variety: Nihonbare) grown in boxes were transplanted mechanically.
6月20日にプラスチック畦畔シートを用い3.5mX
3m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。3.5mX using plastic ridge sheet on June 20th
Two 3m test plots 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5〜7cm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か0.45 g/
a、 B −3か3g/aである。薬剤処理時の各雑草
の葉令はノビエか1.5〜1.8葉期、ホタルイ、コナ
ギ、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第4表の
結果を得た。The flooding depth was adjusted to 5 to 7 cm, and on June 26th, one tablet prepared in the above formulation example was thrown into the center of the test area. In the comparative plot, granules prepared by a conventional formulation method were uniformly dispersed, corresponding to the above-mentioned tablets. The drug is herbicidal ingredient A-1 or 0.45 g/
a, B-3 or 3g/a. At the time of chemical treatment, the leaf age of each weed was 1.5 to 1.8 leaf stage for Japanese field weed, and 1.5 to 2 leaf stage for firefly, Japanese cypress, Japanese 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
5:10096
t:96〜99%
5−4 ・91〜9596
5−4:85〜9096
4−5 : 81〜84%
4.70〜80?6
第
表
(注)帽ま雑草か完全に除去された後再度僅かに発生し
たことを示す。Growth suppression degree 5: 10096 t: 96-99% 5-4 ・91-9596 5-4: 85-9096 4-5: 81-84% 4.70-80?6 Table (Note) Is it a weed? It is shown that a small amount re-occurred after being completely removed.
本試験結果かられかるように、単なる投込みのみて水稲
に薬害を与えることなく、対比区と同等の除草効果か得
られる。As can be seen from the results of this test, the herbicidal effect equivalent to that of the control plot can be obtained by simply applying the product without causing chemical damage to rice.
試験例4(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。翌日トラク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3〜6cm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−i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。Test Example 4 (Weeding Test-■) A paddy field was plowed with a tractor on July 17th and flooded on July 21st. The next day, after raking with a tractor, a test plot measuring 8 m x 6 m was set up using a plastic ridge sheet. 24 tubers of Cyperus japonica that germinated on July 24th per plot Figure 3
It was implanted at the position indicated by the x point. The barnyard grass and the grasshopper were naturally generated. On July 31st, the water depth was adjusted to 3 to 6 cm, and 1 or 2 tablets prepared in the above formulation example were added to each area.
3 was thrown into each position of w-i, W-2, and W-3 in Fig. 3. Weeds at the time of chemical treatment were 1.5 to 2 leaf stage for Japanese barnyard grass and Japanese grasshopper, and 2 leaf stage for Japanese cypress.
薬剤処理後30日目に前記試験例3の場合と同様にして
生育抑制程度を求めて第5表の結果を得た。On the 30th day after the chemical treatment, the degree of growth inhibition was determined in the same manner as in Test Example 3, and the results shown in Table 5 were obtained.
第
5
表
QD打請11A及びB■3表刺削己ωD +jc6)も
の)(まヒ毛コナギ及びミズ力ヤツ1月じdし℃ずれち
1(1)9雌宥叫]程度を示しtも試験例5(原体経時
変化試験)
前記製剤方法で調製された錠剤J−N及び比較錠剤(b
)〜(d)の各サンプルを2ケづつ用い、一つを標準サ
ンプルとし、残りの一つをラミネート袋に封入して、5
4°Cの恒温器内に入れ、7日間保存して虐待試験を行
なった。Table 5 QD application 11A and B 3 surface stabbing ωD +jc6) (paralyzed hairy Konagi and Mizuriki guy January d and ℃ shift 1 (1) 9 female appeasement) shows the degree t Test Example 5 (Digital Product Time Change Test) Tablets J-N prepared by the above formulation method and comparative tablets (b
) to (d), one is used as a standard sample, and the remaining one is sealed in a laminated bag.
It was placed in a thermostatic chamber at 4°C, stored for 7 days, and then subjected to an abuse test.
前記標準サンプル及び虐待試験後のサンプルの一部を取
り、サンプル中の活性成分の含有量を液体クロマトグラ
フィーによる内部標準法により定量して下記式により経
時変化率(分解率)を算出した。A portion of the standard sample and the sample after the abuse test were taken, and the content of the active ingredient in the sample was determined by an internal standard method using liquid chromatography, and the rate of change over time (degradation rate) was calculated using the following formula.
R・標準サンプル中の活性成分の含有率S:虐待試験後
のサンプル中の活性成分の含有率これらの結果を第6表
に示す。R. Content of active ingredient in standard sample S: Content of active ingredient in sample after abuse test These results are shown in Table 6.
第
表
上記の結果かられかるように、ポリオキシエチレン基を
含む界面活性剤に比し、ポリオキシエチレン基を含まな
い界面活性剤かスルホニルウレア系除草成分の安定化を
はかることかできる。As can be seen from the results in Table 1 and above, surfactants that do not contain polyoxyethylene groups can stabilize sulfonylurea herbicidal ingredients compared to surfactants that contain polyoxyethylene groups.
試験例6(拡散試験)
縦1m、横4m、高さ20cmの木枠の各試験区を設け
、その底部には水田土壌を均一に敷き、入水、代掻き後
水深5cmとした。後記図4に示すように、短辺の一方
の端(W地点)に前記錠剤O又はPを各々の試験区に投
入し、中央部(X地点、短辺の一方の端より2mの位置
)及び短辺の他方の端(X地点)において、所定時間(
3,5時間、1日、2日、4日及び6日)経過後、田水
を採取して除草成分の分散状況(濃度: ppm)を調
べた。Test Example 6 (Diffusion Test) Each test plot was a wooden frame measuring 1 m in length, 4 m in width, and 20 cm in height. Paddy soil was evenly spread on the bottom of each test plot, and the water depth was 5 cm after watering and puddling. As shown in Figure 4 below, the tablet O or P was placed in each test area at one end of the short side (point W), and the tablet O or P was placed in the center (point X, 2 m from one end of the short side). and the other end of the short side (point X) for a predetermined time (
After 3.5 hours, 1 day, 2 days, 4 days, and 6 days), field water was collected and the dispersion status (concentration: ppm) of the herbicidal components was examined.
その結果を第7表に示す。The results are shown in Table 7.
第
7
表
「発明の効果」
本発明か提供する水田除草用錠剤又はカプセルによれは
、特別の薬剤散布器を用いずに、水田に単に投げ込むた
けという簡便な方法で種々の雑草を万遍なく防除するこ
とかできる。Table 7 "Effects of the Invention" The tablets or capsules for weeding rice fields provided by the present invention can evenly kill various weeds by simply throwing them into rice fields without using a special chemical sprayer. It can be prevented.
図−1は、円心部に半径0.5mの水面上に突起した円
柱を有するコンクリート製の円形プールを表わし、W−
1は錠剤の投入点を、W−1〜3、X−1〜3、Y−1
〜3及びZ−1〜3は水の採取点をそれぞれ示す図であ
る。図−2は、水田圃場を表わし、W−1〜3は錠剤の
投入点を、W−1,X及びYは田水の採取点をそれぞれ
示す図である。図−3は、水田圃場を表わし、w−1、
w2及びW−3は錠剤の投入点を、×地点はミズガヤツ
リの植込み点をそれぞれ示す図である。図4は、縦1m
、横4m、高さ20cmの木枠の試験区を表わし、W地
点は錠剤の投入点を、X及びY地点は田水の採取点をそ
れぞれ示す図である。Figure 1 shows a circular pool made of concrete that has a cylinder at its center that protrudes above the water surface with a radius of 0.5 m.
1 indicates the tablet insertion point, W-1 to 3, X-1 to 3, Y-1.
-3 and Z-1 to Z-3 are diagrams showing water sampling points, respectively. FIG. 2 shows a rice field, W-1 to W-3 indicate tablet input points, and W-1, X, and Y indicate rice water sampling points. Figure-3 shows a paddy field, w-1,
W2 and W-3 are diagrams showing the tablet insertion points, and the x point is the implantation point of water snails, respectively. Figure 4 is 1m long.
, represents a test area of a wooden frame with a width of 4 m and a height of 20 cm, where W point indicates the tablet input point, and X and Y points indicate the sampling points of rice water.
Claims (1)
るスルホニルウレア系除草成分、界面活性剤、発泡剤及
び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、前記錠剤又はカプセルが、水田に施用した薬量の全
量が実質的に田水に溶解するその他除草成分を含有する
クレーム1に記載の水田除草用錠剤又はカプセル。 3、前記クレーム1又は2に記載の水田除草用錠剤又は
カプセルを10アール当り10〜200ケ、かつ該錠剤
又はカプセルの総重量が200〜1500g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。[Scope of Claims] 1. For weeding rice fields, characterized in that the entire amount of the drug applied to rice fields contains a sulfonylurea herbicidal component, a surfactant, a foaming agent, and a binder that are substantially soluble in rice water. tablets or capsules. 2. The tablet or capsule for weeding rice fields according to claim 1, wherein the tablet or capsule contains other herbicidal ingredients such that substantially the entire amount of the drug applied to the rice fields dissolves in the rice water. 3. The tablets or capsules for weeding rice fields according to claim 1 or 2 are applied to flooded rice fields at a rate of 10 to 200 tablets per 10 ares and the total weight of the tablets or capsules is 200 to 1,500 g. A rice field weeding method characterized by dissolving and dispersing the entire amount of herbicidal ingredients in rice field water.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1-232549 | 1989-09-07 | ||
JP23254989 | 1989-09-07 | ||
JP34037589 | 1989-12-28 | ||
JP1-340375 | 1989-12-28 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12767399A Division JP3215683B2 (en) | 1989-09-07 | 1999-05-07 | Tablets or capsules for paddy weeding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03223203A true JPH03223203A (en) | 1991-10-02 |
JP2980959B2 JP2980959B2 (en) | 1999-11-22 |
Family
ID=26530519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2235039A Expired - Lifetime JP2980959B2 (en) | 1989-09-07 | 1990-09-05 | Tablets or capsules for paddy weeding |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2980959B2 (en) |
KR (1) | KR0142564B1 (en) |
CN (1) | CN1043402C (en) |
ES (1) | ES2033181B1 (en) |
IT (1) | IT1243717B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03173802A (en) * | 1989-09-07 | 1991-07-29 | Ishihara Sangyo Kaisha Ltd | Herbicidal tablet or capsule for throwing into paddy field |
JPH05163102A (en) * | 1991-12-12 | 1993-06-29 | Mikasa Kagaku Kogyo Kk | Agricultural chemical for paddy field and its production |
WO1997003558A1 (en) * | 1995-07-21 | 1997-02-06 | Nissan Chemical Industries, Ltd. | Solid preparation for paddy field and method for the application thereof |
US6509297B1 (en) | 1999-10-26 | 2003-01-21 | Applied Carbochemicals | Enhanced herbicides |
JP2007238386A (en) * | 2006-03-09 | 2007-09-20 | Phyto Chrome:Kk | Foaming fertilizer formulation |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100404302B1 (en) * | 2000-11-07 | 2003-11-01 | (주)화신파우워 | An automatic remote operating apparatus and control circuit of lockout switch |
WO2023146100A1 (en) * | 2022-01-27 | 2023-08-03 | 주식회사 농사직설 | Immediate-release agrochemical formulation |
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 |
JPH03173802A (en) * | 1989-09-07 | 1991-07-29 | Ishihara Sangyo Kaisha Ltd | Herbicidal tablet or capsule for throwing into paddy field |
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 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5248181B2 (en) * | 1972-05-08 | 1977-12-08 | ||
JPS61134301A (en) * | 1984-12-04 | 1986-06-21 | Mitsubishi Chem Ind Ltd | Herbicide composition |
ES2011844A6 (en) * | 1987-08-07 | 1990-02-16 | Du Pont | Control of weeds in rice - with substd. n-carbamoyl- benzene sulphonamide(s) and their mixts. with known herbicides |
-
1990
- 1990-09-03 ES ES9002307A patent/ES2033181B1/en not_active Expired - Fee Related
- 1990-09-05 JP JP2235039A patent/JP2980959B2/en not_active Expired - Lifetime
- 1990-09-05 IT IT02138290A patent/IT1243717B/en active IP Right Grant
- 1990-09-06 KR KR1019900014061A patent/KR0142564B1/en not_active IP Right Cessation
- 1990-09-07 CN CN90107614A patent/CN1043402C/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 |
JPH03173802A (en) * | 1989-09-07 | 1991-07-29 | Ishihara Sangyo Kaisha Ltd | Herbicidal tablet or capsule for throwing into paddy field |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03173802A (en) * | 1989-09-07 | 1991-07-29 | Ishihara Sangyo Kaisha Ltd | Herbicidal tablet or capsule for throwing into paddy field |
JPH05163102A (en) * | 1991-12-12 | 1993-06-29 | Mikasa Kagaku Kogyo Kk | Agricultural chemical for paddy field and its production |
WO1997003558A1 (en) * | 1995-07-21 | 1997-02-06 | Nissan Chemical Industries, Ltd. | Solid preparation for paddy field and method for the application thereof |
US6509297B1 (en) | 1999-10-26 | 2003-01-21 | Applied Carbochemicals | Enhanced herbicides |
JP2007238386A (en) * | 2006-03-09 | 2007-09-20 | Phyto Chrome:Kk | Foaming fertilizer formulation |
Also Published As
Publication number | Publication date |
---|---|
ES2033181A1 (en) | 1993-03-01 |
KR910005758A (en) | 1991-04-27 |
CN1049951A (en) | 1991-03-20 |
IT9021382A1 (en) | 1992-03-05 |
ES2033181B1 (en) | 1994-04-01 |
CN1043402C (en) | 1999-05-19 |
IT1243717B (en) | 1994-06-21 |
JP2980959B2 (en) | 1999-11-22 |
KR0142564B1 (en) | 1998-07-01 |
IT9021382A0 (en) | 1990-09-05 |
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