KR20080061309A - Pesticidal composition for tree parastic pests - Google Patents

Abstract

A pesticidal composition comprising imicyafos is provided to control tree parastic pests, especially pine tree parasitic pests without damage of trees, reduce dosage of drugs, and improve rapidness of control effects. A pesticidal composition of tree parastic pests comprises O-ethyl-S-propyl[(2E)-2-(cyanoimino)-3-ethyl-1-imidazolidinyl]phosphonothioate, wherein the tree parastic pests include nematodes; borers containing longhorn beetles such as Monochamusalternatus, bark beetles such as Tomicus minor, and weevils such as Shirahoshizo insidiosus; sucking insects containing Cinara piniformosana, aphids such as Adelges japonicus, mealybugs and waxscales; pider mite such as Oligonychus hondoensis; flies containing Thecodiplosis japonensis uchida et Inouye Mani and Contarina inouyei Mani; and feeding damage harmful pests containing leafroller moths, Geometrid moth, Bagworms, caterpillars, shootborer and sawflies. The tree parastic pests are controlled by treating the soil near tree roots with the pesticidal composition.

Description

Pesticidal Composition for Tree Parastic Pests

The present invention provides O-ethyl-S-propyl [(2E) -2- (cyanoimino) -3-ethyl-1-imidazolidinyl] phosphonothioate (common name: imicyafos). It relates to a tree parasitic pest control composition comprising the active ingredient, a method for controlling the harmful organism and a method for protecting the tree.

Patent Document 1 discloses that an organophosphorus compound containing imicia force is useful as an active ingredient of insecticides, acaricides, and nematicides, but there is no specific description regarding the control of pine tree nematodes. Patent Document 2 describes the usefulness of the (-) optical isomer of imisia force and its harmful animal control agent, and pine reptile nematode is exemplified as a plant parasitic nematode, but no specific description regarding the control has been found.

[Patent Document 1] U.S. Patent # 5405961

[Patent Document 2] Japanese Unexamined Patent Publication No. 2003-81987

When harmful organisms parasitic on trees, the growth of trees is inhibited or trees wither due to effects such as food damage or toxins produced. In response to this problem, measures have been taken to inject or treat drugs into the trunk, or incinerate some or all of the parasitic trees to prevent further damage, but no effective measures have been found. . In addition, there has been a demand for a control method in which no damage occurs to trees.

An object of the present invention is to provide a means for controlling harmful organisms parasitic in trees without causing damage to trees and controlling them efficiently and promptly at low dosage.

MEANS TO SOLVE THE PROBLEM As a result of earnestly examining for the said subject, the present inventors acquired the knowledge that a desired objective can be achieved by using a specific active ingredient, and completed this invention.

That is, the present invention provides a method for controlling tree parasitic harmful organisms containing imicia force as an active ingredient (hereinafter simply abbreviated as a composition), and a method for controlling tree parasitic harmful organisms using imisia force as an active ingredient (hereinafter simply controlled). And a method for protecting trees (hereinafter simply abbreviated as "protection method") using imimiafoss as an active ingredient.

The optical isomers are present in the imicia force, but the present invention involves the use of both isomers and mixtures of isomers.

There are no particular limitations on trees to be protected, for example, trees such as pine, cedar, cypress, beech, oak; Fruit trees such as citrus fruits, apples, pears, figs, persimmons, peaches, grapes, chestnuts, cherries, plums, prunes, loquats, linden trees, plums; Yeongsan Hong, Azalea, Baby Camellia, Camellia, Rose of Sharon, Cherry, Wood, Maple, etc. can be mentioned, but among them, it is effective for the control of pests parasitic in forests, especially the control of pests parasitic on pine trees. Is available at. In addition, pines to be protected include forests, as well as parks, gardens, pine forests, golf courses, and other places.

The harmful organisms to be controlled include, for example, nematodes that adversely affect the growth of trees such as pine ash nematodes; In trees such as longhorn beetles such as the Monochamusalternatus, bark beetles such as the Tomicus minor, and weevils such as the White-tailed Weevil (Shirahoshizo insidiosus). Perforated borers that enter and cool; Sucking insects such as Cinara piniformosana, aphids such as Adelges japonicus, cherry bugs, mealybugs, and waxscales; Pider mite such as oligonychus hondoensis; Flies such as Thecodiplosis japonensis uchida et Inouye Mani and Contarina inouyei Mani; Feeding damage harmful pests such as leafroller moths, Geometrid moths, Bagworms, caterpillars, shootborers and sawflies And the like, but are particularly effective for the control of nematodes and perforated pests, and particularly effective for the control of pine tree nematodes and sea salt beetles.

Since the composition of the present invention can control both nematodes and puncture pests, it is possible to protect trees from damage of harmful organisms very efficiently. For example, in the problem of pine wilting, the pine tree nematodes parasitic on the pines and causing the menstrual abnormalities of the pine tree is the main factor. Since the parasitic range extends broadly by the pineal nematode mediating pineal nematode, the pineal nematode does not lead to the fundamental solution by controlling pine tree nematode, which is the main factor of wilting. Therefore, it is possible to exclude the main factor of inhibiting the growth of the tree, such as pine wilting (for example, to control pine reptiles), and also to eliminate secondary factors (for example, to control the mediator seam beetle). The compositions of the present invention are very useful and practical because of their effectiveness over a wide range with low throughput.

The processing method of the composition of this invention is not specifically limited, For example, a water body injection | pouring process, a subsea soil treatment, a foliage treatment, a coating process, etc. are mentioned. Examples of the water injection treatment include a method of treating the stems and root systems of trees, and the soil treatment under water pipes, for example, a dispersion liquid in which various preparations are appropriately diluted with a diluent such as water. And a method of treating the liquid formulation itself to the soil, a method of digging out the surface of the soil or the soil for several cm, and the like. Among the above-mentioned treatment methods, soil treatment under water is preferable, and among them, the soil irrigation treatment under which the dispersion liquid or liquid formulation itself diluted with various diluents such as water and the liquid preparation itself is irrigated to the soil is more preferable. At the time of treatment, it may be processed by a scattering device or by manual labor. Soil irrigation treatment under water pipe is a treatment method having various advantages, for example, 1) It is a simple treatment method that does not require a special function, but only water irrigation of the potion around the tree, 2) the timing of treatment of the drug is not limited, 3) the time required for treatment per tree is shorter than for the treatment of intra-water injection, which is often carried out commercially in the field, and 4) 5) No need for collection of bottle after treatment, 5) Perforation to trees, which is essential for intra-water injection treatment, is not necessary, which damages the appearance or causes decay and resistance of trees due to entry of bacteria and snow storms from drug injection holes. The thing which does not cause a fall is mentioned.

In the composition of the present invention, since the active ingredient imicia force penetrates and penetrates the trees, it is possible to exert the desired effect by local treatment. This is particularly useful because the active ingredient, Imisiafoss, penetrates from roots to tree trunks and exerts the desired effect.

For example, the composition of the present invention, such as the treatment of soil under the canal of harmful organisms parasitic inside pine trees, more specifically inside tree trunks, branches, and / or roots, such as pine reptiles, pine needles, etc. It can be controlled by topical treatment.

In addition, the composition of the present invention can exhibit both a prophylactic and therapeutic effect. In other words, the treatment is carried out at any time before tree damage occurs or before the presence of parasitic noxious organisms to obtain the desired effect, and after the damage of the tree or after the presence of parasitic noxious organisms is confirmed. It is possible to take all of the ways to take care of your time and achieve the desired effect.

The treatment of the composition of the present invention is regulated uniformly depending on the type and size of trees to be protected, the type and occurrence of harmful organisms to be controlled, the weather, soil conditions, treatment time, and the form of the preparation. Although not possible, the concentration in the trees of the active ingredient imicia phos is usually 0.1 to 100 ppm, preferably 0.5 to 50 ppm, more preferably 0.5 to 10 ppm, and the throughput is, for example, If the tree is about 10 cm in diameter (diameter of the stem about 1 m from the ground), the imisia force per tree is in the range of 5 to 2000 g, preferably 20 to 1000 g. However, the optimum treatment concentration or throughput can be determined individually by appropriately performing a preliminary test in consideration of the above various conditions and the like. For example, since the composition of the present invention has high safety against trees, the types and sizes of trees to be protected, the types and occurrences of harmful organisms to be controlled, weather and soil conditions, and treatment It is possible to set a large amount of throughput according to various conditions such as the timing, the form of the preparation, and the like. As a specific example, it is possible to process the upper limit of the throughput described above. In this case, there is an advantage that the effect of the drug can be maintained for a long time. On the other hand, since the composition of the present invention can effectively control harmful organisms parasitic to trees at low doses, it is also possible to set a small throughput according to the various conditions described above, and in the specific example, the lower limit of the throughput For example, if the tree has a height of about 10 cm in diameter, it is possible to treat the imisia force per tree in the range of 5 to 400 g, preferably 20 to 100 g.

The control method of the present invention is a method of controlling harmful organisms by treating imisia phosphate, which is an active ingredient, to trees or surroundings to be protected so as to have the above-described treatment concentration or throughput, and the treatment methods are various as described above. Various methods can be employed, and the processing time can be selected at any time. The protection method of the present invention is a method of controlling harmful organisms and protecting trees of interest in this manner.

In the present invention, other tree-parasitic pest control components may be mixed or used together with imisia force, and other pesticides (pesticides, nematicides, acaricides, pesticides, fungicides, antiviral agents, attractants) may be desired. Agents, antibiotics, plant hormones, herbicides, plant growth regulators, and the like), fertilizers, soil improving materials, weakening agents, soil penetrants and the like can be used or used in combination. In addition, the imisia force and the said various other components may be processed separately by mixing at the time of processing what was separately prepared, or the thing which prepared both together may be processed.

In the present invention, the imicia force is formulated in various formulations according to various formulation methods in the art, but it is useful to formulate it in a formulation suitable for the treatment of soil under water, more preferably the treatment of soil irrigation under water. Such formulations include, for example, powders, granules, granules, tablets, hydrating agents, granulating agents, water solubles, granule aqueous solutions, suspending agents, emulsions, microemulsions, suspoemulsions, emulsions, solutions Although a gel agent, a coating agent, a capsule agent, etc. are mentioned, Particularly, a particle agent and a liquid agent are preferable, and a liquid agent is more preferable.

Various auxiliaries that can be used in the preparation of the formulation include clay, diatomaceous earth, calcium carbonate, talc, acid clay, bentonite, pyrophyllite, attapulgite, kaolinite, perlite, vermiculite, zeolite, silica sand, silica, pumice and white carbon. Solid carriers such as gypsum, mirabilite, sodium carbonate, sodium bicarbonate, ammonium sulfate, sodium chloride, urea, sucrose, glucose, flour, and starch; Xylene, trimethylbenzene, tetramethylbenzene, cyclohexane, solvent naphtha, kerosene, chlorobenzene, dichloromethane, acetone, methyl ethyl ketone, cyclohexanone, ethyl alcohol, isopropyl alcohol, ethylene glycol, propylene glycol, polyethylene glycol, Solvents such as polypropylene glycol, propylene glycol methyl ether, dipropylene glycol methyl ether, propylene glycol butyl ether, dimethylacetamide, dimethyl sulfoxide, N-methyl-2-pyrrolidone and water; Fatty acid salt, benzoate, alkyl sulfosuccinate, dialkyl sulfosuccinate, polycarboxylate, alkyl sulfate ester salt, alkyl sulfate, alkylaryl sulfate, alkyl diglycol ether sulfate, alcohol sulfate ester salt, alkyl sulfonate, alkyl Aryl sulfonate, aryl sulfonate, lignin sulfonate, alkyl diphenyl ether disulfonate, polystyrene sulfonate, alkyl phosphate ester salt, alkyl aryl phosphate, styryl aryl phosphate, polyoxyethylene alkyl ether sulfate ester salt, polyoxyethylene Anionic surfactants such as alkylaryl ether sulfates, polyoxyethylene alkylaryl ether sulfate ester salts, polyoxyethylene alkyl ether phosphates, polyoxyethylene alkylaryl phosphate ester salts, and salts of naphthalene sulfonic acid formalin condensates; Sorbitan fatty acid esters, glycerin fatty acid esters, fatty acid polyglycerides, fatty acid alcohol polyglycol ethers, acetylene glycols, acetylene alcohols, oxyalkylene block polymers, polyoxyethylene alkyl ethers, polyoxyethylene alkylaryl ethers, polyoxyethylene styryls Nonionic interfaces such as aryl ether, polyoxyethylene glycol alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene hardened castor oil, polyoxypropylene fatty acid ester Active agent; Olive oil, kapok oil, castor oil, palm oil, camellia oil, palm oil, sesame oil, corn oil, rice bran oil, peanut oil, cottonseed oil, soybean oil, rapeseed oil, linseed oil, kerosene oil, liquid paraffin, and mineral oil. .

In addition, a variety of commonly used auxiliaries, such as electrodeposition agents, thickeners, antisettling agents, cryoprotectants, dispersion stabilizers, flavoring agents, weakening agents, anti-solidification agents, fluidity improving agents, antifoaming agents, and antidegradants, can be used. Adjuvants may be further selected and used from those known in the art, so long as they do not depart from the object of the present invention. The blending ratio of imisia force and various auxiliaries is generally 0.01: 99.99 to 95: 5, preferably 0.1: 99.9 to 90:10. In actual use of these preparations, they may be used as they are, or diluted to a predetermined concentration with a diluent such as water, and various electrodeposition agents may be added and used as necessary.

In the present invention, particularly preferred embodiments are described below.

[1] The composition, control method or protection method described above, wherein the tree-parasitic noxious organism is a nematode parasitic to pine.

[2] The composition, control method or protection method described above, wherein the tree-parasitic noxious organisms are perforated pests parasitic in pine trees.

[3] The composition, control method or protection method described above, wherein the tree-parasitic noxious organisms are nematodes and perforated pests parasitic in pine.

[4] The above-mentioned control method or protection method, wherein nematodes parasitic on pine trees are controlled by soil treatment under water pipes.

[5] The above-mentioned control method or protection method, which controls perforated pests parasitic on pine trees by soil treatment under water pipes.

[6] The above-mentioned control method or protection method, wherein both nematodes and perforated pests parasitic on pine trees are controlled by soil treatment under water pipes.

[7] The method or control method of [4], [5] or [6], wherein the treatment method is soil irrigation treatment under water pipes.

[8] The composition, the method or the protection method according to the above [1], [3], [4] or [6], wherein the nematode is a pine tree nematode.

[9] The composition, control method or protection method of the above-mentioned [2], [3], [5] or [6], wherein the perforated pest is a sea salt.

[10] Using imimisia force, the nematodes and / or perforated pests parasitic in pine are controlled.

[11] The imine force is used to control pine reptiles and / or pine salt parasitic parasitic in pine.

[12] Imisia phos are treated on the soil under water, to control nematodes and / or perforated pests parasitic on pine trees or to protect pine trees.

[13] The imimisia phos are treated in the soil under water to control parasitic nematodes and / or perforated pests inside pine trees.

[14] The imimisia phos are treated on the soil under water, to control pine reptiles and / or pine salt parasitic parasites.

[15] The imimisia phos are treated in the soil under the canopy to control pine reptiles and / or sea salt beetles parasitic in the pine trees.

<Example>

Although the Example of this invention is described below, this invention is not limited to this. First, the formulation preparation example is described.

<Example 1>

10.5 g of imisia force, 4 g of a mixture of polyoxyethylene styrylphenyl ether and dodecylbenzenesulfonate (trade name: Sorpol 355; manufactured by Toho Chemical Co., Ltd.) and a high boiling organic solvent (trade name: DBE; DuPont 85.5 g of Kabushiki Kaisha Co., Ltd. is mixed to obtain a liquid preparation.

<Example 2>

31.6 g of imicia force, polyoxyethylene styryl phenyl ether (brand name: Neugen EA-137; Dai-ichi Kogyo Seiyaku Kabuki Kaisha) 8 g and dipropylene glycol methyl ether (brand name: Dawanol DPM; Dow Chemical Nippon 60.4 g of Kabushiki Kaisha Co., Ltd. is mixed to obtain a liquid preparation.

<Example 3>

52.6 g of imicia force, 20 g of a mixture of polyoxyethylene styrylphenyl ether and dodecylbenzenesulfonate (brand name: sorbol 355H; manufactured by Toho Chemical Co., Ltd.) and tripropylene glycol methyl ether (brand name: Dawanol TPM; Dow Chemical Nippon Kabushiki Co., Ltd.) 27.4 g is mixed to obtain a liquid.

<Example 4>

2.1 g of imisia force and 197.9 g of 20-50 mesh silicate particles (made by Toka Kogyo Co., Ltd.) are mixed to obtain a particle agent.

<Example 5>

6.6 g of a mixture of 20% by weight of polyoxyethylene styrylphenyl ether (trade name: Neugen EA-177; manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) with respect to imisia force, and mineral particles (brand name: Kunimine) Fine granules: Oil absorbed in 93.4 g of Kunimine Kogyo Co., Ltd.) to obtain a particulate matter.

<Example 6>

10.5 g of imicia force is absorbed into 89.5 g of granular gypsum (trade name: Agsorb CN; manufactured by OILDRI) of 16 to 50 mesh to obtain a particulate material.

<Example 7>

6 g of imimia force, polyoxyethylene styryl phenyl ether (brand name: Sorpol T15; product made by Toho Chemical Co., Ltd.) 6 g, polyoxyethylene castor oil (brand name: Sorpol CA50; Toho Chemical Co., Ltd.) Kaisha) 4g and 68.9g of aromatic solvents (brand name: Sorbetso 150; Exxon Japan Co., Ltd.) are mixed, and an oil agent is obtained.

Next, test examples are described.

<Test Example 1>

To the 96 well microplate was added 100 µl of the suspension of pine reptiles (including about 50 pine reptiles) and 100 µl of an aqueous solution containing imicia force adjusted to a predetermined concentration. This was maintained in a constant temperature room at 25 ° C. for 72 hours, and over time, the number of inactive insects (no moving or very slightly moving pine nematodes) was calculated, and the inactive insect rate was calculated by Equation 1 below. The result was obtained.

Inactivated insect rate (%) = [number of inactive insects / number of total pine re-nematodes before immisia force treatment] × 100

<Test Example 2>

Botrytis bacteria were cultured in a 8 cm diameter plastic chalet using PSA medium. 1 ml of a water suspension incubated with pine reptiles after dropping a potion adjusted so that the concentration of the whole medium containing the potion becomes a predetermined concentration in the botrytis culture chalet so as to spread on the medium without any gap, and seeping into the whole. (Containing about 100 pine reptiles). After culturing for 12 days in a constant temperature room at 25 ° C., nematodes present in the medium were detected by the Baermann method, the number of nematodes was calculated, and the inhibition rate of growth of pine ash nematodes against untreated plots was determined. The results are shown in Table 2 below.

<Test Example 3>

In the greenhouse, the soil at the beginning of the stump of red pine driftwood (diameter 1.O cm tree), which was transferred to the plastic pot 12, was circumferentially 5 cm rounded, and 200 imisia force per stub therein. 100 ml of aqueous solution containing mg were treated and the soil was refilled. After 25 days of treatment, pine nematode suspensions were inoculated to the branch of the damaged pine tree to 3,000 / stump and seeded in a greenhouse. After 121 days of inoculation of pine reptiles, the driftwood was assessed by appearance, and then 2 g of material was collected from the stems, and the presence or absence of pine reptiles was examined by the Bayermann method. The results are shown in Table 3 below.

<Test Example 4>

Digging 5 cm of the soil at the beginning of the stump of red pine driftwood (1.0 cm in diameter) planted in plastic pot No. 12 in a greenhouse and containing 400 mg or 800 mg of imisia force per stub therein The soil was refilled with 100 ml of aqueous solution. After 30 days of treatment, no detrimental problem to the red pine driftwood is observed.

Claims (10)

A tree parasitic pest control composition comprising O-ethyl-S-propyl [(2E) -2- (cyanoimino) -3-ethyl-1-imidazolidinyl] phosphonothioate as an active ingredient. A method for controlling a tree-parasitic noxious organism using O-ethyl-S-propyl [(2E) -2- (cyanoimino) -3-ethyl-1-imidazolidinyl] phosphonothioate as an active ingredient. A method according to claim 2 for controlling nematodes and / or perforated pests parasitic in pine. The method according to claim 2, wherein the pine re-nematodes and / or the sea salt beetle parasitic in pine. The method according to claim 2, wherein the active ingredient is treated in soil under water to control nematodes and / or perforated pests parasitic in pine. The method of claim 5, wherein the nematodes and / or perforated pests parasitic within the trees of the pine tree. The method according to claim 2, wherein the active ingredient is treated in the soil under the canopy to control pine re-nematodes and / or pine salt parasitic parasites. 8. A method according to claim 7, wherein the pine reptiles and / or the sea bream parasitic parasitism inside the trees of the pine tree. A method for protecting trees, wherein O-ethyl-S-propyl [(2E) -2- (cyanoimino) -3-ethyl-1-imidazolidinyl] phosphonothioate is used as an active ingredient. 10. The method of claim 9, wherein the active ingredient is treated with soil under canopy to protect pine.