KR840000669B1 - Fungicidal composition for agricultural - Google Patents

Abstract

A compn. contg. agrochems., wax substances, and watersol. or water-dispersible sizing agents is granulated to yield an agrochem. product that floats on water. Thus, granules were prepd. from a compn. contg. paraffin (m.p. 140≰F) 4 parts, 2-tert-butylimino-3-isopropy1-5-phenyltetrahydro-1, 3,5-thiadiazine-4-on 2 parts, polyethylene glycol 2 parts, powd. (NH4)2SO4 86.5 parts, Ca ligninsulfonate 5 parts, polyoxyethylenenonylphenyl ether 0.5 part, and water 8 parts. The product when applied to tice paddies at 4kg/10 are floated for>30 days and controlled Laodelphax striatellus 100% at day 7 and 93.3% at day 21, where as a conventional product that sinks controlled the insect by 76.7% and 20% on the resp. days.

Description

[Name of invention]

Sleep pesticides for sleep

Detailed description of the invention

The present invention relates to a pesticide preparation for water application. In more detail, the present invention is characterized in that the pesticide component is dissolved or dispersed in lead-like substance or emulsion dispersion or solution of lead-like substance and extruded and granulated with water-soluble or water-dispersible substance as a weight agent. It relates to a pesticide preparation for sleep.

An object of the present invention is to plan efficient use of agrochemical active ingredients.

In the past, attempts have been made to make effective use of floating pesticide active ingredients by shaping them into granules, but none have been put to practical use.

石)등에 유효성분을 흡착시켜서 입제 자체를 수면에 부유시키는 방법(일본국 특공 소 48-1181호)에서는 부피 비중이 작게되므로 균일 산포가 곤란하다던가 또는 플라스틱 입기재(粒基材)에 유효성분을 담지(擔持)에 시키는방법(일본국 특공소 45 9560호, 동 48-1180호(에서는 생산가가 고가로 되는 등의 이유를 들 수가 있을 것이다.There are many reasons for this, but for example, vermiculite (

In the method of adsorbing an active ingredient on a stone or the like and floating the granulation itself on the surface (Japanese Patent Publication No. 48-1181), the volume specific gravity is small, so that it is difficult to uniformly disperse or active ingredients in plastic substrates. The reason for this is that the production costs are high, such as the Japanese special military office 45 9560 and east 48-1180.

On the other hand, in the method of coating a floating material on a solid sedimentable material (JP-A-48-15613), a very long floating period cannot be obtained and problems such as volume remain.

In general, attempts to float by adding an additive in the kneading granules (Japanese Patent Publication No. 51-42180) have no effect unless a large amount is added, and the production price increases when a large amount is added. Has a problem.

The present inventors have found an advantageous formulation for expressing the pesticide effect of scavenging while floating the pesticide active ingredient.

In the present invention, the pesticide active ingredient needs to be dissolved or dispersed in an emulsified, dispersed or dissolved solution of a lead substance or a lead substance.

The dispersed state of the active ingredient may be solid or liquid, and the fine powder of the active ingredient may be mixed in a lead-like material that has been heated beforehand to form a liquid, or the active ingredient may be mixed as a liquid or as a liquid.

Of course, the active ingredients of the lead substance may be mixed in advance and warmed to incorporate the active ingredients into the lead substance.

In this case, in order to increase the elution of the active ingredient, a suitable surfactant (for example, polyoxyethylene alkylarylethyl) or an effective additive (for example, polyalkylene glycol) may be added. The blending ratio of the active ingredient is preferably set within the range of about 0.1 to about 1 part by weight based on 1 part by weight of the lead substance, but the active ingredient may be less than 1 at room temperature by dispersing the active ingredient. Considering the properties of the additives, lead materials should be selected and used from those with an appropriate specific gravity.

Examples of the lead substance include, for example, solid paraffin, stearic acid, rosin, wood wax, hardened oil, tallow, stear alcohol, and polyethylene, but when the specific gravity is less than 1, it is not limited to this and can be used alone or in combination. have. It may also include a mixture of two or more substances to form a lead substance.

Moreover, in order to maintain the effect of the granulation of the present invention, the lead substance is preferably poorly soluble in water, and the solid paraffin, cured oil, and polyethylene have a melting point of 40 ° C or higher. Emulsifying, dispersing, or dissolving a lead substance means that the lead substance is emulsified, dispersed, or dissolved in a solvent, and in the case of emulsification and dispersion, a suitable surfactant (eg, polyoxyethylene alkylaryl ether, polyoxyethylene) Nonionic surfactants such as alkyl ethers and fatty acid sucrose esters, higher alcohol alkyl ethers, higher alcohol alkyl esters, and the like.

When dissolving the lead substance, a suitable organic solvent can be used.

In addition, the pesticide active ingredient that can be used in the present invention is not particularly limited as long as it can obtain a desired harmful control activity by sleep application, for example, useful plants or animals to be nurtured in the fields of agriculture, horticulture, fisheries It contains active substances useful for the protection of harmful substances such as worms, weeds (including horses), etc., generated in facilities that store or flow water such as reservoirs and drainage channels. .

Next, as the pesticide active ingredient that can be used in the present invention, for example, the following active substances can be displayed.

(Pesticide)

Diadinone, MEP, MPMC, 0 ', 0, 0', 0'-tetramethyl-0 '0'-thio di paraphenylene phosphoro thioate 2-t-butyl amino-3-isopropyl-5- Phenyl tetrahydro-1,3,5-thiadiadin-4-one, 2-t-butyl imino-3-isopropyl-5- (P-tril) -tetra hydro-1,3,5-thiadia Din-4-one, etc.

(disinfectant)

Isopropioran, IBP, probenazole, methane iron arsonate, O-trifluoro methyl-m'-isopropoxy benzoic acid anilide and the like.

(Herbicide)

NIP, clomethoxynyl, benthiocarb, butacrol, oxadione, and the like.

(Note: The generic name is based on the pesticide cradle and the Japanese Plant Protection Association.)

Among them, it is particularly preferable to apply the present invention to active ingredients such as thiadiadine derivatives having a high soil adsorption property.

In addition, pesticide components may be mixed and used.

Examples of the material of the water-soluble or water-dispersible extender which can be used in the present invention include water-soluble fertilizers such as urine oil, ammonium sulfate ammonium sulfate, ammonium bicarbonate and potassium chloride, sodium sulfate, calcium sulfate, sodium bicarbonate, Inorganic salts, such as an aquatic plaque, organic acids, such as aquatic acid, a citric acid, sodium citrate, and sodium stannate, or its salt, soluble sugars, such as a sucrose, fructose, and glucose, are mentioned.

In the present invention, granulation is indispensable to manufacture by an extrusion granulation method.

Extruded granulation methods here include a wet method and a heating method.

In the case of the wet extrusion granulation method, the lead substance obtained by dispersing the pesticide component is pulverized, mixed with the above-mentioned weight agent in powder form and an appropriate amount of water, and then assembled by extruding into a required mesh gold mesh.

In this case, it is preferable to add a binder, for example, a water-soluble or water-dispersible binder such as polyvinyl alcohol, polyalkylene glycols, lignin sulfonate, CMC, starch, aribian rubber, sucrose, or vinyl chloride resin. And thermoplastic resins such as vinyl acetate resin, polyethylene, and ABS resin are used as the binder. The binder may be used alone or in combination of two or more.

Moreover, when using a thermoplastic resin, it is necessary to heat more than the welding of the resin in the appropriate process of an assembly process, for example, at the time of granulation drying or after drying.

The extrusion granulation method for heating is a method of assembling a mixture of lead substance, agrochemical component, and powdery weighting agent by heating and mixing the lead-like substance over welding to form a plastic state, and the lead substance acts as a binder.

In the present method, the lead substance obtained by dispersing the active ingredient is used in the range of approximately 2 to 98% (weight) based on the product.

The granulation of the present invention is applied to places where useful plants such as rice fields or water should be protected, and other places where unpleasant pests or animals are generated or reproduced, such as drainage channels.

In such a case, the granules of the present invention are once sunk under water, but the water-soluble or water-dispersible weighting agent is gradually eluted, and eventually, the lead substance containing the pesticide component floats on the water surface, and the desired pesticide effect can be exerted for a long time.

Next, some examples are as follows.

A part is a weight part.

Example 1

140 ° F Paraffin Part 4

2-t-butylimino-3-isopropyl-5-phenyltetrahydro-1,3,5-thiadiadine-

4-on part 2

Polyethylene glycol 6000 part 2

The mixture was heated, melted, cooled, mixed and ground, and then mixed and extruded by adding 86.5 parts of powdered ammonium sulfate, 8 parts of calcium lignin sulfonate, 0.5 part of polyoxy ethylene nonylphenyl ether [[10 mole] surfactant] and 8 parts of water. It is made into dry granules.

Example 2

8 parts of wood

2,4-dichlorophenyl-3-methoxyni-4'-tropenyl ether 7 parts

0.5 parts of polyoxyethylene nonyl phenyl ether (10 mol)

The mixture was cooled and pulverized by heating, melting, mixing, 74 parts per powder stand, 10 parts of vinyl acetate resin powder, 0.5 parts of polyoxyethylene nonylphenyl ether (10 moles), and 8 parts of water, followed by extrusion extrusion assembly, followed by drying.

After drying, the mixture is heated to 100 ° C, cooled, and granulated.

Example 3

Stear alcohol 15 parts │ polyethylene glycol 4000 part 5

Iron methane arsonate0.5 part │ Powdered magnesia ammonium sulfate 79.5 parts

After mixing the mixture by heat treatment to 70 ~ 80 ℃ extruded and then cooled to granulate.

Example 4

145 ° F paraffin part 5

0,0,0 ', 0'-tetramethyl-0,0'-thiodiparaphenylene phosphorothioate 5 parts

Polyethylene glycol 20000 5 parts

74.5 parts of powdered urine, 10 parts per book, 8 parts of water, and 0.5 parts of polyoxyethylene nonylphenyl ether were mixed with each other by cooling and pulverizing with heating, mixing, and extruding, followed by drying. It heats at 80 degreeC, cools it, and it is set as a granule.

Example 5

140 ° F Paraffin Part 4

0,0-diethyl 0- (2-isopropyl-4-methyl-6-pyrimidinyl) -phosphothiothio

Eight part 5

Polyethylene glycol 6000 part 2

The mixture was cooled, melted, mixed, heated, melted, and mixed with 83.5 parts of calcium sulfate, 5 parts of lignin sulfonate, 0.5 part of nonylphenyl ether and ethylene oxide, and 0.5 parts of water, and 8 parts of water, followed by kneading for extrusion granulation. It is made into a title.

Example 6

5 parts of 2,4-dichlorophenyl-4-nitro phenyl ether are uniformly dispersed by adding 10 parts of polyethylene 31% Emulsion Polygon A, powdered potassium chloride 80.0 parts, lignin calcium sulfonate 5 parts, 5 parts of water is added, kneaded, extruded and dried to obtain granules.

Example 7

10 parts of polyethylene 31% Emulsion Polygon A was added to 7 parts of 2,4-dichlorophenyl-3-methoxy-4'-nitro phenyl ether and 5 parts of lignin calcium sulfonate to uniformly disperse Then, 5 parts of water and 84.9 parts of ammonium sulfate are added, kneaded, extruded, and then dried to obtain a granule.

[Example 8]

2-t-butylimino-3-isopropyl-5-phenyltetrahydro-1,3,5-thiadia in 8 parts of 135 ° F paraffin 50% emulsion (Serosol 686) 2 parts of din-4-one and 5 parts of lignin sulfonate are uniformly dispersed, mixed with 5 parts of water and 89.9 parts of calcium sulfate, extruded and then granulated to obtain granules.

Example 9

135 ° F Paraffin 50% Emulsion (Cerosol 686) 10 parts 0,0-diethyl 0- (2-isopropyl-4-methyl-6-pyrimidinyl) phosphorothio Eight 3 parts, 2 parts of polyvinyl alcohol, and 5 parts of water are added to uniformly disperse, and 90 parts of ammonium chloride are added to kneaded, extruded and granulated to obtain granules.

[Comparative Example (1)-(3)]

(1) 2-t-butylimino-3-isopropyl-5-phenyl-tetra hydro-1,3,5-thiadi

Adin-4- is part 2

Calcium lignin sulfonate part 5

0.2 part of polyoxyethylene nonylphenyl ether (10 mol)

Clay Part 92.8

Is mixed and pulverized uniformly, wet extruding granulated by adding an appropriate amount of water, dried and granulated.

The mixture was mixed and ground uniformly, wet extrusion granulated by adding an appropriate amount of water, and then dried to obtain granules.

The pulverized product was heated and kneaded at 70-80 ° C., followed by extrusion assembly to cool the granules.

[Test Example 1]

Place the soil in a plastic pot, add water, stir and maintain a depth of 5 cm.

After one week, the suspended solids are removed and treated with a co-agent to observe the suspended solids.

The water depth should be replenished timely to maintain about 5 cm. As a result, the granules of the present invention of Examples 1 to 9 were suspended by observation after 1 day, 10 days, and 30 days, and the granules of Comparative Examples (1) to (3) were settled in any case.

[Test Example 2]

The soil is contained in a plastic pot of 555/1 art, and urine fertilizers apply 20g of Mars No. 20 (9-7-8), and six water treatments (5.5 southern leaves) Implant 8 weeks and fill with water, 3cm deep. The co-agents were treated at a rate of 4 kg per 10 liters.

The insect pests of larvae 3 larvae were treated with 30 animals per week in the water of three weeks, and the insecticidal effects were examined 5 days after inoculation at 7 and 21 days, respectively.

[Test Example 3]

The weed rate (%) was investigated after 2 weeks of treatment with the co-preparation agent at a rate of 4 kg per 10 ars under 3 cm freshwater condition in 1-leaf perennial plants planted in 1/6000 arthr.

[Test Example 4]

After 3 days of application, 3kg of 10-day-coated drug was inoculated in the rice paddy of rice produced in the soil pot according to the common practice law. Degrees were investigated. 1 port 3 ports.

Co., Ltd. Comparative Example

Methane arsonate 0.5 part │ Lignin sulfonate 5.0 part

Talc, clay powder 94.5 parts │

Precipitating granules by the general extrusion granulation method of uniformly mixing and pulverizing, kneading by adding an appropriate amount of water, kneading by extrusion, and then drying and granulating.

Claims (1)

A pesticide granule for sleep application, characterized by dissolving or dispersing a pesticide component in an emulsified, dispersed or dissolved solution of a lead substance or lead substance, and extruding and granulating a water-soluble or water dispersible substance as a weight agent.