JPS58126803A - Controlling method of injurious insect without phytotoxicity to plant and agricultural composition for killing injurious insect - Google Patents

Abstract

PURPOSE:To control injurious insects of the genus Thrips, e.g. Thrips palmi karny, without the phytotoxicity, by using O-sec-butylphenyl methylcarbamate and 5-[[2-(2-butoxyethoxy)ethoxy]methyl]-6-propyl-1,3-benzodioxole together. CONSTITUTION:An agricultural composition for killing injurious insects containing O-sec-butylphenyl methylcarbamate and 5-[[2-(2-butoxyethyoxy)ethoxy] methyl]-6-propyl-1,3-benzodioxole as active constituents. The content of the mixture of the above-mentioned carbamate with the benzodioxole in the composition is about 0.1-95wt%, preferably about 0.5-90wt%. In the actual use, the contents of the components in the pharmaceutical is generally within the range of 0.0001-about 20wt%, preferably about 0.005-about 10wt%. The simple chemical may be incorporated in any order or at the same time separately incorpoated for application.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides insecticidal active compounds 〇-loC-butylphenyl
Methyl carbamate and synergist 5 ((2-(2-ptoxyethoxy)ethoxy]methyl]-6-depyl-1,3
- In combination with penzozoxole, it reduces the pest attack on i4 products and has a revised pest control method with killing insecticidal effect and fI suitable for use in the implementation of the method.
- Concerning agricultural insecticidal insecticides with reduced phytotoxicity to plants.

More details r! , the present invention relates to o-age-butylphenyl methyl carbamate and 5-((2-(2-ptoxyethoxy)ethoxy]methyl]-6-propyl-1,
V
It is characterized in that it can be applied in combination to pests of rapeseed or flowering plants and their habitats by blending J or in the form of a pre-blended composition. Concerning pest control methods. The present invention relates to the previously prepared FJL composition used in carrying out the above method, namely 0-set-butyl-phenyl methylcarbamate and 5-4(2-(2-butoxy)). The present invention also relates to an agricultural pest control composition which reduces phytotoxicity to plants characterized by containing ethoxy)ethoxy[menal]-6-brobyl-1,3-pencisoxole.

74. Insecticidal activating additive o-5ac-1 used in the invention
Tylphenyl methyl carbamate [hereinafter referred to as B
PkiC, abbreviated as J-ru] is a 71c insecticidal active compound that has been used mainly as an insecticide for paddy fields and can be represented by the formula -(-,'N4i).

C1i, CHC, Ii.

In addition, 5-((2-(2-butoxyethoxy)ethoxy)ethoxy]methyl]-6-broby-L,S-pensisoxole [hereinafter abbreviated as bipenyl butoxide] used in the present invention) It is used as a synergist for pyrethroid insecticides in the field of sanitary insect control, and has been used as a synergist for other car-reet insecticides to improve its insecticidal effect. It is a stimulant compound and can be represented by the following formula.

In recent years, thrips (thrips) has been found on satsatsuna and flowers.
damage is increasing significantly.

The above pests lick the surface tissue of 411@, and the fine Il of the infested area! ! It vacuolates the medicinal substance, turns the medicine white, and, in cases of severe damage, causes damage such as causing the plant to wilt and die.

For example, Thrips, which invaded from overseas near 1M, and the southern yellowtail FF Miu-F (Thripa 'pa1mi ka
rny) has given great legal support to greenhouse-grown fruits and vegetables in the Kyushu and Shikoku regions.

Desk &:, Thylapus, which is a pest of canola and floriculture;
In particular, since there is no effective drug for controlling the above-mentioned southern thrips, the above-mentioned rice field insecticide HPMC has been used as a test agent, but its insecticidal efficacy against southern thrips is insufficient. In addition to cultivation'hi
Although it is insufficient, there are some records that cause chemical damage to things.
If applied with IM#3th11', which has the necessary insecticidal efficacy, the occurrence of phytotoxicity that has a large negative impact on the yield and purchase of cultivated plants will occur! The reality is that it is not possible. In particular, the damage caused by this phytotoxicity is severe in cultivated plants with low tolerance to mild phytotoxicity, such as millet and flowers'@~1.

The present inventors have provided a method for controlling pests that can advantageously avoid the above-mentioned problem of chemical damage and exhibits a satisfactory effect of killing insects, especially Thurapus, and a killing melon composition suitable for carrying out the method. I have been conducting research to the best of my ability.

As a result, the known synergist piperonyl ptoxide
It exhibits excellent insecticidal potency against the known insecticidal compound BPMt, and overcomes the problem of phytotoxicity of BPMC to plants.

It was discovered that it exhibits the unexpected effect of significantly reducing or eliminating chemical damage to plants.9.

As mentioned above, piperonyl ptoxide, a known synergist for pyrethroid insecticides, can be used in combination with BPMC, a known paddy field insecticide, to produce 1 t of filamentous tissue against plants shown in combination with the paddy field insecticide BPMC.
, f$, or the complementary effect of the resolving effect and the remarkable strengthening effect of the insecticidal effect of BPMC, i, t. There is nothing known about the phytotoxicity reducing effect of biperonyl butoxide on plants. It turned out to be completely unexpected and surprising because there was no such thing.

Furthermore, by using the biperonyl ptoxide and BPAiC in combination, it is possible to reliably control wL damage caused by the slip of the above-mentioned rapeseeds or flowers, especially by southern thrips, on young fruits.

It has been found that it is possible to significantly reduce and eliminate the problem of ############################################################################################################################################################################################################################################################################# background

Accordingly, one object of the present invention is to provide a significantly superior pest control method and a pesticidal composition suitable for use in the pest control method. In addition, the insecticide BPAiC, which was conventionally used for paddy rice cultivation, has been changed to a comparatively chemical drug.
Also, use it for side dishes and flowers that easily produce buds.
In terms of making it i5, the present invention is a book that greatly contributes to the advancement of agricultural cultivation technology.

In addition to the above objects and numerous other objects and advantages of the present invention, they will become more apparent from the following description.

According to the method of the present invention, both BPMC and biperonyl butoxide are used alone or in combination, or in the form of a single composition in which they are pre-blended.

Combined application to the pests of Aspergillus or floriculture or their habitat. As mentioned above, the combination is to apply each component in the form of a single agent to the application site separately in any order or synchronously. Alternatively, either a combination mode may be used in which the components are blended and applied, or a combination mode in which both components are blended in advance and applied as a composition may be employed. Preferably, both components are blended in advance, and a frame is used in the form of a tai-made set containing an arbitrary agricultural chemical auxiliary.

The ratio of HPMC and piperonyl butoxide used in combination may be selected at any ratio suitable for reducing the phytotoxicity of BPMC to plants to 1.

As for the reduction rate of phytotoxicity to plants, ν1 is preferably about 0.5 to about 101 parts of piperonyl ptoxide per gram of BPMC, and more preferably piperonyl per gram of BPMC. An example of this is rice containing about 1 to about 5 toxides.

In the pest control method of the present invention, the phytotoxicity of liPMC to plants is significantly reduced, and the insecticidal effect is significantly reduced,
Eating can be carried out suitably for controlling Thurilapsae.

4- In the invention, vegetables refer to commonly cultivated edible herbs, including root vegetables, stem vegetables, leafy vegetables, flower vegetables, and fruit vegetables.

Flower i! The species refers to plants cultivated for ornamental purposes.

The pre-blended composition used in carrying out the pest control method of the present invention is an agricultural killing center with reduced phytotoxicity against plants, which is characterized by containing BPMC and piperonyl ptoxide. The composition preferably contains piperoniluptoxide in a proportion suitable for reducing the phytotoxicity of BPMC, and the proportion is as exemplified above.

BPMC, an insecticidal active compound used in the present invention.

When using a formulation containing piperonyl ptoxide, it can be diluted directly with water, or it can be mixed with various formulations using methods commonly used in the agricultural chemical manufacturing field using agricultural chemical adjuvants. It can be used in any form. These Yuzu preparations have U, &
Would you like to use it as a convenience? It can be used by diluting it with water or diluting it to the desired concentration.

Here, the Ik drug adjuvants include 1, for example, diluents (
Examples include solvents, extenders, carriers), surfactants (solubilizers, emulsifiers, dispersants, wetting agents), stabilizers, bid agents, propellants for aerosols, and other synergists.

The agricultural pest control composition of the present invention can be formulated into the following formulations by methods generally practiced in the agricultural chemical manufacturing field. Forms of formulation include emulsion: oil:
Wettable powders: aqueous solutions: suspensions: powders: granules: powders: fumigants: tablets: aerosols: pastes: capsules, etc.

The composition of bC above includes a blend of insecticidal active compound BP14C and biperonyl ptoxide in a weight of about 0.1 to about 95★;
Preferably, it can be contained in an amount of about 0.5 to about 90 times a day.

In actual use, the various formulations and spray preparations described above (ady-to-use-yeparat.
The content of the ingredients in 4on) is generally in the range of about α0001 to about 20% by weight, preferably about a005 to about 10% by weight.

The blending ratio of BPMC and biperonyl ptoxide and the content of the blended components can be appropriately varied depending on the form of the preparation, application method, purpose, timing, location, and pest infestation status.

The agricultural pest-killing composition of the present invention may further be used with other agricultural insecticides, such as insecticides, fungicides, acaricides, nematicides, etc., if necessary.
Antiviral agents, herbicides, plant growth-1!4 additives, attractants and/or fertilizers, etc. may also be present.

A teady-to-sag-graparat formulation containing the components of the present invention, The B P Af C and biperonyl gtoxide.
ion) is applied using a commonly used application method in the pharmaceutical manufacturing field, i.e., spraying [e.g., liquid spraying (
It can be carried out by spraying), misting (minting), atomizing (atomiz-ff1%g 1 powder, powder), etc. It can also be used in the so-called ultra-high-volume, low-voltage dispersion method (wltrα-1ow-volumg).

In this method, it is possible to contain up to 100% of the ingredients.

Application i1 per unit area is BPMC per hectare
As a mixture of and piperonyl butoxide, approximately 0.
About 10! , preferably about 0.3 to about 6 degrees.

However, in special cases, exceeding or falling below these ranges is rare, and sometimes even necessary.

According to the present invention, insecticidal activation @ drug damage to BPMC Jr:m
Biperonyl ptoxide is blended for the purpose of increasing the temperature of fabrics (bath additives and/or charge increasing agents and/or carriers) and /l? can provide an agricultural pest control composition characterized by adding a stabilizer, a fixing agent, etc. to the surfactant depending on the requirements.

Furthermore, according to the present invention, the insecticidal active compounds BPMC and piperonyl ptoxide are applied individually to pests of vegetables and flowers and their habitats, or a compounded component containing each component is applied. alone or diluents (solvents and/or fillers and/or carriers) and/or surfactants.

It is possible to provide a method for controlling pests in which phytotoxicity to plants is significantly reduced, which is characterized by applying an agricultural pest-killing composition to which a stabilizer, a fixing agent, etc. are added as necessary.

Next, according to examples, the present invention is ¥! 122 will be described in more detail, but the present invention should not be limited thereto.

Example 1 (Wettable powder) 5 parts of HPMCI, 15 parts of piperonyl gtoxide, 65 parts of a mixture of powdered siliceous earth and powdered clay (1:5),
2 parts of sodium alkylbenzenesulfonate and 3 parts of sodium alkylnaphthalenesulfonate formalin condensed are ground and mixed to form a wettable powder. This is diluted with water and applied to pests and their habitat 4i6t9r (plants).

Example 2 (Emulsion) 25 parts of BPMC, 25 parts of piperonyl ptoxide, 35 parts of xylene, 8 parts of 4t-lyoxylated tyrene alkyl phenyl ether, 7 parts of calcium alkylpecizene sulfonate
Mix and stir to form an emulsion.

This is diluted with water and applied to '4j insects and their habitats (plants).

Example 3 (powder) BPMC2s, 8 parts of piperonyl ptoxide.

96 parts of Murami clay were ground and mixed to make a powder. Sprinkle this on pests and their habitats.

Example 4 Parts of EPMCsO, 35 parts of xylene, polyoxyethylene alkylphenyl ether aHu, and 7 parts of calcium ylkylbenzene phonate were mixed and stirred to prepare an emulsion. This is the desired amount of pyronil! Mix a 50% toxide emulsion and dilute it with water to remove pests and their habitat (
Plants) are treated with tuna.

The agricultural bookicidal composition according to the present invention comprises insecticidal active compound B
The phytotoxicity of PMC to plants is significantly reduced, the insecticidal effect is substantially improved, and it is characterized by very low toxicity to warm-blooded animals, thus making the composition excellent against a wide range of pests. It can be usefully used as a pest control agent for vegetables and flowers.In particular, it has very high utility value as a pest control agent for Satsatsu rape and flowers.

It is confirmed from the following test results when used against southern yellow thrips that Takaaki Moto's m-to countervailing insect pest composition exhibits excellent pest-reducing effects and improved insecticidal efficacy in the control of Thrilaps. be able to.

Test #$, Example 1 Closed Spraying Insecticide Test Test Method for Southern Thrips The overall purpose of this method is to clearly demonstrate the efficacy of a drug by preventing Southern Thrips from flying in and dispersing to other places.

The test crop was eggplant (Shinane Nisenryo No. 2).

The fungus grows into 4-5 leaves and is planted in a 5-inch clay pot.
) Ty cloth - Main insect t-polarized a week ago. This ensures that all stages of the thrips, from eggs to adults, are present on the plant or in the soil at the time of spraying. - There were 3 pots in each ward. Immediately before spraying, count the total number of insects, dividing them into adults and larvae.

Spraying was carried out using a sprayer, and thread agents of various concentrations made by yA were sprayed in accordance with the method of Example 4 so that the leaf surface was wetted with the tip of the thread agent of toog per three plants. 1 immediately after spraying
1 Cover with a glass cylinder with a diameter of 15a* and a height of 35crn,
The lower part was fixed to the pot with vinyl tape, and the upper part was covered with cotton cloth and secured with a rubber band.

After that, the oFA diet was given in the condition of 2 (I) after 2 days and 7 days, and the total number of adults and larvae were counted and the control index was determined.The control index was calculated by the following formula.

xto.

The results are shown in Table 1.

In addition, in the upper trial, when HPMC5009TI was sprayed, phytotoxicity was observed that had a negative impact on yield and quality. However, no drug damage was observed when BPMC and piperonyl ptoxide were used in combination.

Test Example 2 Test method for phytotoxicity test on eggplant: Healthy eggplant with 7 to 8 leaves developed in a 5-inch pot (
Seedlings of Katsuyo and Senryo No. 2) were sprayed with various concentrations of chemicals prepared according to the method of Example 4, left in a greenhouse at 25C, and then sprayed a second time on the 4th day after the spraying. A third application was made on the 8th day after the first application. Eleven towns after the first spraying, the number of dead bodies damaged by the chemical was compared.

What is the degree of drug damage?

(12) Not at all (same as the untreated area).

±: Light dryness and slight curling that is not noticeable.

+: One leaf with a sharp, withered leaf, curly.

+: In addition to grade 10 chemical damage, yellowing, browning, and withering of leaves occur.

++I: In addition to + stage chemical damage, growth of new shoots is inhibited.

In addition, although the phyllodes shows the above-mentioned chemical damage, it has no effect on the yield or quality at all.
Do not cause #. Chemical damage of 10 or more will affect the quality of the yield 4I
It is impractical as it increases P.

The results are shown in Table 2.

Procedural amendment filed on March 11, 1981 Patent Chief: Akio Wakasugi, Patent Application No. 57-3327 No. 2, Title of Invention: Method for controlling pests without causing damage to mulberry trees and proposed method for killing them Relationship with the Nagisa case for the correction of the insect composition 3 Patent applicant address 2-4 Nihonrinhonmachi, Chuo-ku, Tokyo Name
Japan-Ffmlk Yakuza Co., Ltd. (Name) 4th Director Osamu Address: 1-9-15 Akasaka, Minato-ku, Tokyo Special a@
5s-xzaso3(7) (1) Specification page 5, line 3 yC, “Tkripa
"palnhikarq", r Thripa palst Karny J
I am corrected.

(2) 1 “Slip” on page 7, line 7 of the specification, r
Thrilapse,” he corrected.

Agency

Claims (1)

[Claims] 1, (1-Jl#C-butylphenyl methyl carbamates, 5-[(2-(2-butoxyethoxy)
ethoxy]methyl-6-broby-1,3-penzoduoxole, each alone or delivered;
Alternatively, a method for controlling pests with reduced chemical damage to plants, which is patented and applied in combination to pests of vegetables or flowers and their habitats in the form of a pre-mixed ml sample. ? , tP where the pest is Thrylaps! f. Scope of Requisition The pest control method described in item 1. @@ Characterized by containing λ o-5ec-butylphenyl methyl carbamate and 5-([2-(2-7″)xyethoxy)ethoxy]methyl]-6-broby-1,3-penzozoxole 4. The insecticidal composition for fence industry according to claim 3, wherein the insect pest is Thrylaps.