TW201320895A - Arthropod pest control composition, and arthropod pest control method - Google Patents

Abstract

An arthropod pest control composition according to the present invention comprises an amide compound represented by formula (1), at least one insect growth regulator compound selected from group (A) and at least one planthopper control compound selected from group (B), and has an excellent controlling effect on arthropod pests. Group (A): a group consisting of methoxyfenozide, chromafenozide and tebufenozide. Group (B): a group consisting of clothianidin, nitenpyram, buprofezin and ethiprole.

Description

Harmful arthropod control composition and harmful arthropod control method

The present patent application is hereby incorporated by reference in its entirety in its entirety in the entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire all all all all all all all all all all each

The present invention relates to a method for controlling harmful arthropod control compositions and harmful arthropods.

Conventionally, many compounds have been known as effective components of a harmful arthropod control composition (for example, refer to Non-Patent Document 1). It is known as an effective component of a harmful arthropod control composition as described later.

Methoxyfenozide Chromafenozide Tebufenozide

[Previous Technical Literature] [Non-patent literature]

[Non-Patent Document 1] The Pesticide Manual-15th edition (BCPC); ISBN 978-1-901396-18-8

The present invention is directed to providing a harmful arthropod control composition having excellent control effects against harmful arthropods.

The inventors of the present invention conducted a review to find a harmful arthropod control composition having an excellent control effect against harmful arthropods, and found that the indoleamine compound represented by the following formula (1) and the group (A) selected from the group (A) described later were found. At least one insect growth controlling compound and a composition selected from at least one rice blast control compound in the group (B) described below have excellent control effects against harmful arthropods, and the present invention has been completed.

That is, the present invention is described later in [1] to [6].

[1] The guanamine compound represented by the formula (1), and at least one insect growth control compound selected from the group (A), and the harmful arthropod selected from at least one rice blast control compound in the group (B) Animal control composition.

Group (A): Methoxyfenozide, Chromafenozide and Tebufenozide.

Group (B): a group of Clothianidin, Nitenpyram, Buprofezin, and Ethiprole.

[2] The harmful arthropod control composition described in [1], wherein the weight ratio of the indoleamine compound to the insect growth controlling compound is 50:1 to 1:50.

[3] The harmful arthropod control composition described in [1] or [2], wherein the weight ratio of the guanamine compound to the rice blast control compound is 50:1 to 1:50.

[4] The harmful arthropod control composition according to any one of [1] to [3], wherein the rice blast control compound is Buprofezin or Ethiprole.

[5] A method for controlling harmful arthropods comprising the step of administering an effective amount of the harmful arthropod controlling composition according to any one of [1] to [4] in a plant or plant cultivation site.

[6] The step of applying to a plant or a plant cultivation site is a method for controlling harmful arthropods as described in [5] of the step of applying rice or rice cultivation.

By the invention, harmful arthropods can be prevented.

The best form for implementing the invention

The harmful arthropod control composition of the present invention contains at least one insect growth controlling compound selected from the group (A) described below by a guanamine compound (hereinafter referred to as a guanamine compound) represented by the following formula (1). The insect growth control compound (hereinafter referred to as "insect growth control compound") and at least one rice blast control compound (hereinafter referred to as rice blast control compound) selected from the group (B) described later.

Group (A): Methoxyfenozide, Chromafenozide and Tebufenozide.

Group (B): a group of Clothianidin, Nitenpyram, Buprofezin, and Ethiprole.

The known compound of the present indoleamine compound can be produced, for example, by the method described in the handbook of International Publication No. 2003/010149.

In addition, Methoxyfenozide, Chromafenozide, Tebufenozide, Clothianidin, Nitenpyram, Buprofezin and the like used in the present invention Ethiprole is a compound known to all, such as "The Pesticide Manual-15th edition (BCPC); ISBN 978-1-901396-18-8" 764, 211, 1074, 229, 817 , pages 138 and 443, etc. These compounds are available Obtained from commercially available formulations or obtained by known methods.

In the harmful arthropod controlling composition of the present invention, the content ratio of the present indoleamine compound, the insect growth controlling compound, and the present rice bran controlling compound is not particularly limited, but is based on 100 parts by weight of the present indoleamine compound. The insect growth control compound is usually 0.2 to 50,000 parts by weight, preferably 2 to 5000 parts by weight, more preferably 5 to 2000 parts by weight, and the rice blast control compound is usually 0.2 to 50,000 parts by weight, and 2 to 5000 parts by weight. Preferably, it is preferably 5 to 2000 parts by weight.

In the harmful arthropod controlling composition of the present invention, the weight ratio of the present indoleamine compound to the insect growth controlling compound (the present indoleamine compound: the insect growth controlling compound) is usually 500:1 to 1:500 to 50:1. ~1:50 is appropriate, especially 20:1~1:20.

In the harmful arthropod control composition of the present invention, the weight ratio of the present indoleamine compound to the present rice bran control compound (the present indoleamine compound: the rice blast control compound) is usually from 500:1 to 1:500 to 50. : 1~1:50 is appropriate, especially 20:1~1:20.

The harmful arthropod control composition of the present invention may be mixed only with the present indoleamine compound, the insect growth control compound and the rice blast control compound, but generally, the mixed guanamine compound, the insect growth control compound and the rice can be used. The anthraquinone control compound and the inert carrier are added with a surfactant or other preparation auxiliary agent as needed, and are formulated into an oil-forming agent, an emulsion, a suspension agent, a hydrating agent, a granule hydrating agent, a powder, a granule, and the like.

In addition, the above-mentioned formulated harmful arthropod control composition can be used as a harmful arthropod in the original state or by adding other inert ingredients. The composition is used.

In the harmful arthropod controlling composition of the present invention, the total amount of the present indoleamine compound, the insect growth controlling compound and the present rice bran controlling compound is usually 0.01 to 99% by weight, preferably in the range of 0.1 to 90% by weight. It is particularly preferably in the range of 0.5 to 70% by weight.

As an inert carrier, a solid carrier, a liquid carrier, etc. are mentioned.

Examples of the solid carrier include kaolin clay, Attapulgite Clay, bentonite, montmorillonite, acid white clay, pyrophyllite, talc, diatomaceous earth, calcite, minerals, corncob powder, walnut shell powder, and the like. a fine organic powder, a synthetic organic substance such as urea, a salt such as calcium carbonate or ammonium sulfate, or a synthetic inorganic substance such as hydrated cerium oxide, or the like, and a liquid carrier, for example, xylene, An aromatic hydrocarbon such as an alkylbenzene or a methylnaphthalene; an alcohol such as 2-propanol, ethylene glycol, propylene glycol or ethylene glycol monoethyl ether; a ketone such as acetone, cyclohexanone or isophorone; Vegetable oil such as soybean oil or cottonseed oil, petroleum aliphatic hydrocarbons, esters, dimethyl methacrylate, acetonitrile, water, and the like.

The surfactant may, for example, be an alkyl sulfate salt, an alkyl aryl sulfonate, a dialkyl sulfosuccinate, a polyoxyethylene alkyl aryl ether phosphate, a lignosulfonate or a naphthalene. Anionic surfactant such as sulfonate formaldehyde polycondensate and nonionic surfactant such as polyoxyethylene alkyl aryl ether, polyoxyethylene alkyl polyoxypropylene block copolymer, sorbitan fatty acid ester And a cationic surfactant such as an alkyltrimethylammonium salt.

Examples of the auxiliary agent for other preparations include water-soluble polymers such as polyvinyl alcohol and polyvinylpyrrolidone, gum arabic, alginic acid, and salts thereof. Inorganic substances such as carboxymethyl cellulose (CMC), xanthan gum, etc., aluminum magnesium silicate, alumina sol, etc., preservatives, colorants, and acidic isopropyl phosphate (PAP), dibutyl hydroxy A stabilizer for toluene (BHT) or the like.

The harmful arthropod control composition of the present invention can be used for protecting plants from the harmful arthropods which ingest the plants, suck the juice and the like.

As a harmful arthropod having a control effect of the harmful arthropod control composition of the present invention, for example, it will be described later.

Hemipteran pests: Laodelphax striatellus, Nilaparvata lugens, Sogatella furcifera, rice mites, Nephotettix cincticeps, Nephotettix Verescens), Recilia dorsalis, Empoasca onukii, Aphis gossypii, Myzus persicae, Brevicoryne brassicae, leafhopper Aphis spiraecola),Macrosiphum euphorbiae,Aulacorthum solani,Rhopalosiphum padi,Toxoptera citricidus,Hyalopterus pruni,Eriosoma lanigerum Such as aphids, Nezara antennata, Trigonotylus caelestialium, Graphosoma rubrolineatum, Eysarcoris lewisi, Riptortus Clavetus), Leptocorisa chinensis, Eysarcoris parvus, Halyomorpha mista, Nezara viridula, Lygus lineolaris, etc. Trialeurodes vaporariorum, Bemisia tabaci, Dialeurodes citri, Aleurocanthus spiniferus, Aonidiella aurantii, Pear round Comstockaspis perniciosa, Unaspis citri, Ceroplastes rubens, Icerya purchasi, Planococcus kraunhiae, Pseudococcus longispinis, mulberry A scale insect such as a scale insect such as Pseudaulacaspis pentagona, a flat worm, a Cimex lectularius, or a hibiscus such as Cacopsylla pyricola.

Lepidopteran pests: Chilo suppressalis, Tryporyza incertulas, Cnaphalocrocis medinalis, Notarcha derogata, Plodia interpunctella, Asia Corn borer (Ostrinia furnacalis), Hellula undalis, Pediasia teterrellus, Spodoptera litura, Spodoptera exigua, Pseudaletia separata ), Sesamia inferens, Cabbageworm (Mamestra) Brassicae, Agrotis ipsilon, Plusia nigrisigna, Trichoplusia ni, Trichoplusia spp., Heliothis spp., Helicoverpa spp., etc. Pieris rapae), such as the pink butterfly, the genus Gypsophila, the genus of the genus of the genus, the genus of the genus of the genus, the genus of the genus of the genus, the genus of the genus of the genus, the genus of the genus of the genus, the genus of the genus of the genus of the genus of the genus of the genus of the genus of the genus of the genus of the genus of the genus of the genus of the genus , Mohonna magnanima, Archips fuscocupreanus, Cydia pomonella, etc., Moth, Moth, Moth, Moth, and other, Mothna magnan, Calyptilia theivora, Phyllolycter ringoneella Nihonensis), such as the fruit moth, the leaf moth of the Lyonetica genus, the Lymantria spp., the Euphtis spp., the moth, the Plutella xylostella, the red moth, the red moth (Pectinophora gossypiella), potato moth (Phthorimaea operculella), etc., Moth, Hyphantria cunea, etc. Tinea translucens), Tineola bisselliella, etc., Moth, Tuta absoluta, and the like.

Thysanoptera pests: Frankliniella occidentalis, Thrips parmi, Scirthothrip dorsalis, Thrips tabaci, Frankliniella intonsa, brown Flower horse (Frankliniella fusca), Stendchaetothrips biformis, and horses such as Haplothrips aculeatus; Diptera pests: Hylemya antiqua, Hylemya platura, Agromyza oryzae, Hydrellia griseola, Chlorops oryzae, Liriomyza trifolii, such as the larvae, Dacus cucurbitae, Ceratitis capitata, etc.; beetle pests: Epilachna vigintioctopunctata, Huang Shou Aulacophora femoralis, Phyllotreta striolata, Oulema oryzae, Echinocnemus squameus, Lisorhoptrus oryzophilus, Cotton aphid (Anthonomus grandis) ), mung bean (Callosobruchus chinensis), sphenophorus venatus, Popillia japonica, Anomala cuprea, Diabrotica spp., Leptinotarsa decemlineata Agriotes spp., Lasioderma serricorne, etc.; Orthoptera pests: Gryllotalpa africana, Oxya yezoensis, This rice grasshopper (Oxya japonica) and the like.

Among the above-mentioned harmful arthropods, lepidopteran pests such as rice mites and spider mites, lepidopteran moths, and noctuidae are suitable examples.

The harmful arthropod control composition of the present invention can also prevent plant diseases such as Rhizoctonia solani.

The harmful arthropod control composition of the present invention can be used for agricultural land or non-agricultural land in dry fields, paddy fields, dry fields, grasslands, orchards, and the like. Further, the harmful arthropod control composition of the present invention can be used for controlling pests of the agricultural land, such as cultivation of "plants" and the like.

As a plant which can use the harmful arthropod control composition of this invention, it is mentioned later.

Crops: maize, rice, wheat, barley, rye, oats, sorghum, cotton, soybeans, groundnuts, buckwheat, sugar beets, rapeseed, sunflower, sugar cane, tobacco, etc.

Vegetables: Solanaceae vegetables (eggplant, tomato, green pepper, pepper, potato, etc.), melon vegetables (glybdenum, pumpkin, melon, watermelon, cantaloupe, etc.), cruciferous vegetables (radish, turnip, horseradish, kohlrabi, Cabbage, cabbage, mustard, broccoli, broccoli, rape, etc.), Compositae (burdock, chrysanthemum, artichoke, lettuce, etc.), lily vegetables (onions, onions, garlic, asparagus, etc.), umbelliferous vegetables (carrots, Basil, celery, European windproof, etc.), leeks (spinach, leeks, etc.), sage vegetables (perilla, mint, basil, etc.), strawberries, sweet potatoes, yam, lee, etc.

Fruit trees: Pome fruit (apple, pear, Japanese pear, papaya, medlar Etc.), stone fruit (peach, plum, nectarine, plum, peach, apricot, date, etc.), citrus (Wenzhou mandarin orange, orange, lemon, lime, grapefruit, etc.), nuts (chestnuts, walnuts, Hazelnuts, almonds, pistachios, cashews, Hawaiian volcanic beans, etc.), berries (blueberries, cranberries, blackberries, raspberries, etc.), grapes, persimmons, olives, alfalfa, bananas, coffee, date palms, coconuts, Oil coconut and so on.

Trees other than fruit trees: tea trees, mulberry trees, flowers and trees (azalea, medlar, hydrangea, camellia, white flower octagonal, cherry tree, tulip tree, crape myrtle, osmanthus tree, etc.), road tree (Japanese carp, birch, large flower Four flowers, eucalyptus, ginkgo, lilac, maple, eucalyptus, aspen, bauhinia, maple, sycamore, eucalyptus, Japanese cedar, eucalyptus, hemlock, juniper, pine, spruce, Yew, eucalyptus, Japanese horse chestnut, etc.), coral tree, Podocarpus, cedar, eucalyptus, croton, Japanese lance, red bud.

Grassland: Zoysia (Korean grass, Manila grass, etc.), Bermudagrass (walking grass, etc.), sorghum grass (small sedge grass, sorghum grass, sorghum grass, etc.), bluegrass ( Wild bluegrass, bluegrass, etc., fescue (chewing fescue, creeping red fescue, etc.), ryegrass (multi-flowered ryegrass, ryegrass) Etc.), duckgrass, ladder grass and so on.

Others: flowers (roses, carnations, chrysanthemums, platycodon grandiflorum, gypsophila, gerbera, calendula, sage, petunia, verbena, tulip, aster, gentian, lily, pansy, cyclamen Come, orchid, lily of the valley, lavender, violet, leaf peony, primrose, Christmas red, gladioli, garland, daisy, cypress, sea bream, etc.), biomass fuel plant (hemp) Mad tree, safflower, flaxseed, switchgrass, miscanthus, canadensis, sorrel, kenaf, cassava, willow, etc.), foliage plants, etc.

Among the above plants, examples of suitable examples include maize, wheat, rice, and the like. Among them, rice is especially good.

The aforementioned "plant" may also be a plant to which tolerance is imparted by genetic recombination techniques or breeding methods of mating.

The harmful arthropod control composition of the present invention can prevent harmful arthropods by being applied to plants or plant cultivation sites and the like. Here, examples of the plant system include stems and leaves of plants, flowers of plants, plant fruits, plant seeds, and the like. The method for controlling a harmful arthropod of the present invention comprises the step of applying an effective amount of the aforementioned harmful arthropod controlling composition to a plant or plant cultivation site.

The method for controlling harmful arthropods of the present invention is carried out by applying an effective amount of the harmful arthropod control composition of the present invention to a plant or a plant cultivation site, but as a specific application method, a plant for stem and leaf dispersion or the like can be cited. Treatment of plant cultivation sites such as treatment of stems and leaves, treatment of plant seeds, soil treatment, and surface application. The effective amount of the harmful arthropod control composition of the present invention refers to a total application amount of the present indoleamine compound, the insect growth control compound, and the present rice bran control compound which can exert a control effect against harmful arthropods.

As the treatment of the stems and leaves of the plant, ground spreading by using a human sprayer, a power sprayer, a boom sprayer or a PANCRU-Sprayer, or an airborne use of an air defense or an unmanned helicopter may be mentioned. , on the surface of the cultivated plant The method of rationality.

Examples of the treatment of the plant seed include an immersion treatment, a blowing treatment, a smear treatment, a film coating treatment, and a pellet coating treatment.

As the treatment of plant cultivation sites, planting point treatment, root treatment, planting treatment, sputum treatment, comprehensive treatment, side treatment, seedling box treatment, seed bed treatment, culture soil mixing, bed soil mixing, paste Fertilizer mixing, surface treatment, and water spreading.

When the harmful arthropod control composition of the present invention is applied to a cultivation site of a plant or a plant, the application amount thereof depends on the type of the plant, the type or degree of occurrence of the harmful arthropod, the preparation type, the application period, and the weather. The conditions may be changed, but the total application amount of the present guanamine compound, the insect growth control compound, and the rice blast control compound is usually 0.5 to 3000 g per 1000 m ² of the cultivated plant site, and 5 to 300 g is used. should.

When the harmful arthropod control composition of the present invention is an emulsion, a hydrating agent, a suspending agent or the like, it is usually diluted with water and applied by dispersion. In this case, the total concentration of the present indoleamine compound, the insect growth controlling compound, and the rice blast control compound is usually 0.00001 to 10% by weight, preferably 0.0001 to 5% by weight. When the harmful arthropod control composition of the present invention is a powder, a granule or the like, it is usually applied in an original form without dilution.

Example

Hereinafter, the present invention will be described in more detail by way of formulation examples and test examples, but The invention is not limited to the latter examples. In the following examples, the parts are all parts by weight unless otherwise specified.

First, the formulation examples are shown.

Formulation Example 1

20 parts of the decylamine compound, 5 parts of fenfluster and 6.6 parts of konidine were added to mix 4 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 20 parts of hydrated cerium oxide micro The powder and the remaining amount of the diatomaceous earth were mixed with stirring to obtain 100 parts of a hydrating agent.

Formulation Example 2~4

The same procedure as in Preparation Example 1 was carried out except that each of the compounds described in [Table 1] and the amount used were replaced with 6.6 parts of the cotinine, and 100 parts of each hydrating agent was obtained.

Formulation Example 5

20 parts of the decylamine compound, 5 parts of cofinol and 6.6 parts of cotinine were added to mix 4 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 20 parts of hydrated cerium oxide micro Powder and residual amount of diatomaceous earth The mixture was stirred to obtain 100 parts of a hydrating agent.

Formulation examples 6~8

The same operation as in the preparation example 5 was carried out except that each of the compounds described in [Table 2] and the amount used were replaced with 6.6 parts of the cotinine, and 100 parts of each hydrating agent was obtained.

Formulation Example 9

20 parts of the decylamine compound, 7.5 parts of fenfluolol and 6.6 parts of konidine were added to mix 4 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 20 parts of hydrated cerium oxide micro The powder and the remaining amount of the diatomaceous earth were mixed with stirring to obtain 100 parts of a hydrating agent.

Formulation examples 10~12

The same operation as in Preparation Example 9 was carried out except that each of the compounds described in [Table 3] and the amount used were replaced with 6.6 parts of the cotinine, and 100 parts of each hydrating agent was obtained.

Formulation Example 13

0.75 parts of the present indoleamine compound, 0.5 part of fentanyl, 0.15 part of cotinine, 10 parts of talc and the remaining amount of kaolin clay were mixed by pulverization to obtain 100 parts of a powder.

Formulation Example 14~17

The same operation as in Preparation Example 13 was carried out except that 0.15 parts of the cotinine was used instead of the compound of [Table 4], and 100 parts of each powder was obtained.

Formulation Example 18

0.75 parts of the present indoleamine compound, 0.5 part of cofinol, 0.15 part of cotinine, 10 parts of talc and the remaining amount of kaolin clay were mixed by pulverization to obtain 100 parts of a powder.

Formulation Examples 19~22

The same operation as in Preparation Example 18 was carried out, except that 0.15 parts of the cotinine was used instead of the compound described in [Table 5], and 100 parts of each powder was obtained.

Formulation Example 23

0.75 parts of the decylamine compound, 0.75 parts of fenflurene, 0.15 parts of nicotitin, 10 parts of talc, and the remaining amount of kaolin clay were mixed and pulverized to obtain 100 parts of the powder.

Formulation Example 24~27

The same operation as in Preparation Example 23 was carried out except that each of the compounds described in [Table 6] and the amount used were replaced with 0.15 parts of the cotinine, and 100 parts of each powder was obtained.

Formulation Example 28

By mixing 100 parts of 2 parts of the present guanamine compound, 10 parts of fenfluno, 4 parts of nicidine, 30 parts of 50 parts of white oxyethylene alkyl ether sulfate, and the remaining The mixture of water in an amount is finely pulverized by a wet pulverization method to obtain a suspension. In the present specification, the white smoke containing 50 parts of the polyoxyethylene alkyl ether sulfate ammonium salt means a mixture of a polyoxyethylene alkyl ether sulfate ammonium salt and a white smoke in a weight ratio of 1:1.

Formulation Examples 29~31

The same operation as in Preparation Example 28 was carried out except that each of the compounds described in [Table 7] and the amount used were replaced with 4 parts of the cotinine to obtain 100 parts of each suspension.

Formulation Example 32

By mixing 100 parts of 2 parts of the present indoleamine compound, 10 parts of coffeine, 4 parts of cotinine, 30 parts of white smoke containing 50 parts of polyoxyethylene alkyl ether sulfate ammonium salt and the remainder The mixture of water in an amount is finely pulverized by a wet pulverization method to obtain a suspension.

Formulation Example 33~35

The same procedure as in Preparation Example 32 was carried out except that each of the compounds described in [Table 8] and the amount used were replaced with 4 parts of the cotinine to obtain 100 parts of each suspension.

Formulation Example 36

By mixing 100 parts of 2 parts of the present guanamine compound, 16 parts of fenofol, 4 parts of nicidine, 30 parts of 50 parts of white oxyalkyl ether ether sulfate, and the remaining The mixture of water in an amount is finely pulverized by a wet pulverization method to obtain a suspension.

Formulation Examples 37~39

The same operation as in the preparation example 36 was carried out except that each of the compounds described in [Table 9] and the amount used were used instead of the four parts of the cotinine. A portion of the suspension.

Next, the effects of the present invention are shown by test examples.

Test example 1

3 mg of the decylamine compound was dissolved in 0.2 ml of acetone containing Sorgen TW-20 (manufactured by Wako Pure Chemical Industries, Ltd.) to contain 0.02% by volume of a spreading agent (trade name: Dain). The water of (registered trademark), Sumitomo Takeda Gardening) is diluted to the specified concentration. 3 mg of fenfluno, cofenfen and defenofol were dissolved in 0.2 ml of acetone containing Sorgen TW-20 (manufactured by Wako Pure Chemical Industries, Ltd.) to contain 0.02% by volume. The water of the spreading agent (trade name: Dain (registered trademark), Sumitomo Takeda Gardening) is diluted to a predetermined concentration. A commercially available preparation of Buchfen (product name: Applaud Flowable, manufactured by Nippon Pesticide) and acetonitrile (trade name: KIRAPPU Flowable, manufactured by Kitacing Chemical Co., Ltd.) containing 0.02% by volume of a spreading agent (trade name: Dain (trade name: Dain) The water of the registered trademark), Sumitomo Takeda Gardening) is diluted to the specified concentration.

Mix a water dilution of the indoleamine compound, and a water dilution of the fentanol, cofinon or defenofol, with a water dilution of buffing, or acetaminophen, Preparation of test liquid.

For the 2.5-leaf stage rice seedlings (Oryza sativa, variety: Xingmeng) seedlings, 10 ml of the aforementioned test drug solution was distributed per plant. The rice seedlings were air-dried, and placed in a glass test tube (having a diameter of 30 mm and a height of 200 mm) to which 4.8 ml of water had been added. In the test tube, 10 instar larvae of 10 brown planthoppers were placed and placed indoors (25 ° C, humidity 55%). Call this the processing area.

On the other hand, rice seedlings which were not treated with the above-mentioned test drug solution were placed in a test tube in the same manner as the treatment zone, and placed in a larva, and placed in a room. Call this a no-treatment zone.

Both the treated area and the untreated area were placed in the rear for 5 days, and the life and death of the test larvae were observed. From the observation results, the mortality rate is calculated according to the formula 1), and the corrected mortality rate is calculated according to the formula 2). In addition, the test was repeated twice. The average value is shown in Table 10.

Formula 1); mortality rate (%) = (number of test insects - number of living insects) / number of test insects × 100

Formula 2); corrected mortality rate (%) = {(treatment area dead insect rate - no treatment area dead insect rate) / (100 - no treatment area dead insect rate)} × 100

Claims (6)

A harmful arthropod control composition characterized by comprising a guanamine compound represented by the formula (1), and at least one insect growth controlling compound selected from the group (A), and at least one selected from the group (B) Rice blast control compounds, Group (A): Groups of Methoxyfenozide, Chromafenozide and Tebufenozide (B): Clothianidin, Nitenpyram, Buffen Buprofezin and Ethiprole are clustered. For example, in the harmful arthropod control composition of claim 1, the weight ratio of the guanamine compound to the insect growth controlling compound is 50:1 to 1:50. For example, in the harmful arthropod control composition of claim 1 or 2, the weight ratio of the guanamine compound to the rice blast control compound is 50:1 to 1:50. The harmful arthropod control composition according to any one of claims 1 to 3, wherein the rice blast control compound is Buprofezin or Ethiprole. A method for controlling harmful arthropods, characterized by administering an effective amount of a harmful section as in any one of items 1 to 4 of the patent application scope The step of controlling the composition of the limbs in a plant or plant cultivation site. A method for controlling harmful arthropods according to claim 5, wherein the step of applying to the plant or plant cultivation site is the step of applying to the rice or rice cultivation site.