CN107372523A - A kind of ethiprole thermal fog and its preparation method and application - Google Patents
A kind of ethiprole thermal fog and its preparation method and application Download PDFInfo
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- CN107372523A CN107372523A CN201710687538.8A CN201710687538A CN107372523A CN 107372523 A CN107372523 A CN 107372523A CN 201710687538 A CN201710687538 A CN 201710687538A CN 107372523 A CN107372523 A CN 107372523A
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- ethiprole
- thermal fog
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- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- 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
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- 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
- A01N25/30—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 characterised by the surfactants
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a kind of ethiprole thermal fog, including following components in percentage by weight：Ethiprole 1.5~12.5%, surfactant 2.5~14.5%, bleeding agent 1.5~6.5%, triphenyl phosphate 1.5~12.5%, surplus are organic solvent, and the organic solvent is the one or more in aromatic hydrocarbon solvent, plant oil solvent and polar solvent.Prevention effect using ethiprole thermal fog provided by the invention is higher than ethiprole suspending agent, and continuation is longer.The effect of the embodiment of the present invention shows, 3 days after ethiprole thermal fog medicine provided by the invention, reaches more than 90% to the prevention effect of crop pests, reaches as high as 97.8%；15 days after medicine, prevention effect remains to reach more than 85%, reaches as high as 92%.
Description
Technical field
The invention belongs to technical field of pesticide, more particularly to a kind of ethiprole thermal fog and its preparation method and application.
Background technology
Ethiprole belongs to nicotinic insecticide, acts on the nervous system of insect.Ethiprole be applied to preventing and treating cotton fleahopper,
The insects such as aphid, diamondback moth, stinkbug, curculionid, locust, aleyrodid, onion thrips, plant hopper and coccid.Contain ethiprole on the market at present
Preparation in, in addition to the ethiprole containing 25%, also containing sodium lignin sulfonate, dimethyl sulfoxide (DMSO), pull open powder, sodium sulphate and
Castor oil polyoxyethylene ether etc., it is 70~80% to the prevention effect of crop pests after use, the prevention effect reached is not high.
The content of the invention
In view of this, in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to and a kind of ethiprole thermal fog is provided, energy
Enough prevention effects improved to insect pest.
The invention provides a kind of ethiprole thermal fog, including following components in percentage by weight：
Surplus is organic solvent, and the organic solvent is one in aromatic hydrocarbon solvent, plant oil solvent and polar solvent
Kind is several.
Preferably, including following components in percentage by weight：
Surplus is organic solvent.
Preferably, the surfactant is included in polyethenoxy ether class surfactant and calcium dodecyl benzene sulfonate
It is one or more of.
Preferably, the polyethenoxy ether class surfactant includes AEO, alkylphenol-polyethenoxy
One kind in ether, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether again and castor oil polyoxyethylene ether or
It is several.
Preferably, the bleeding agent includes azone, thiophene ketone and one kind or several in disecoctylmaleate sodium sulfonate
Kind.
Preferably, the aromatic hydrocarbon solvent includes the one or more in C10 aromatic hydrocarbons, o-dichlorohenzene and methyl naphthalene.
Preferably, the plant oil solvent includes soybean oil, cottonseed oil, rapeseed oil, castor oil, turpentine oil, oleic acid first
One or more in ester and ethyl oleate.
Preferably, the polar solvent includes acetophenone, phenmethylol, 1-METHYLPYRROLIDONE, DMF
With the one or more in dimethyl sulfoxide.
The preparation method of the ethiprole thermal fog provided present invention also offers above-mentioned technical proposal, comprises the following steps：
After with solvent, ethiprole is dissolved, then by obtained ethiprole solution and surfactant, bleeding agent and tricresyl phosphate
Phenyl ester mixes, and produces ethiprole thermal fog.
Present invention also offers ethiprole thermal fog the answering in crop pests are prevented and treated that above-mentioned technical proposal provides
With.
The invention provides a kind of ethiprole thermal fog, including following components in percentage by weight：Ethiprole 1.5~
12.5%th, surfactant 2.5~14.5%, bleeding agent 1.5~6.5%, triphenyl phosphate 1.5~12.5%, surplus are to have
Solvent, the organic solvent are the one or more in aromatic hydrocarbon solvent, plant oil solvent and polar solvent.Agricultural chemicals is conventional
Preparation using when need to be watered, the thermal fog of the application using when be not watered typically, or be watered and be diluted within 5 times, and second
The conventional formulation of worm nitrile such as 9.7% ethiprole suspending agent, extension rate are 1500-3000 times；This just compares thermal fog particle
Traditional medicament has lower surface tension, is sprawled beneficial in Target crops and insect body surface.Using ethiprole provided by the invention
The prevention effect of thermal fog is higher than ethiprole suspending agent, and continuation is longer.The effect of the embodiment of the present invention shows, this hair
3 days after the ethiprole thermal fog medicine of bright offer, more than 90% is reached to the prevention effect of crop pests, is reached as high as
97.8%；15 days after medicine, prevention effect remains to reach more than 85%, reaches as high as 92%.
Embodiment
The invention provides a kind of ethiprole thermal fog, including following components in percentage by weight：Ethiprole 1.5~
12.5%th, surfactant 2.5~14.5%, bleeding agent 1.5~6.5%, triphenyl phosphate 1.5~12.5%, surplus are to have
Solvent；The organic solvent is the one or more in aromatic hydrocarbon solvent, plant oil solvent and polar solvent.
In the present invention, the granularity of the particle in the ethiprole thermal fog is preferably 5~10 μm, more preferably 6~9 μ
M, most preferably 7~8 μm.In this application, the granularity of the particle in the ethiprole thermal fog can fully cover Target crops
Or insect, improve prevention effect.
Ethiprole thermal fog provided by the invention is 1.5~12.5% ethiproles including mass percent, preferably 2.0~
10%, more preferably 3~8%.The present invention is not particularly limited to the source of the ethiprole, normal using those skilled in the art
Rule prepare the commercial goods of agricultural chemicals.
Ethiprole thermal fog provided by the invention is 2.5~14.5% surfactants including mass percent, is preferably
4.0~10.0%, more preferably 7~8%.In the present invention, the surfactant preferably includes polyethenoxy ether class surface
Activating agent and/or calcium dodecyl benzene sulfonate.When for polyethenoxy ether class surfactant and calcium dodecyl benzene sulfonate when, institute
The mass ratio for stating polyethenoxy ether class surfactant and calcium dodecyl benzene sulfonate is (2.5~8):(0.5~5), it is preferably
(3~7):(1~4.5), more preferably (4~6):(1.5~4).
In the present invention, the polyethenoxy ether class surfactant preferably includes AEO, alkyl phenol
In APEO, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether again and castor oil polyoxyethylene ether
One or more, it is described it is several be specially two kinds, three kinds, four kinds or five kinds.When the polyethenoxy ether class surfactant
For two kinds, three kinds, four kinds or five kinds when, each component equal proportion mixing.The present invention is not particularly limited to the source of mentioned reagent,
The commercially available prod commonly used using those skilled in the art.In the present invention, the surfactant is as emulsifying agent and profit
Humectant uses, emulsifiable preparation, and makes thermal fog particle in target insect body surface wetting and spreading.
Ethiprole thermal fog provided by the invention is 1.5~6.5% bleeding agents including mass percent, preferably 2.0~
5.5%, more preferably 2~4%.In the present invention, it is pungent to preferably include azone, thiophene ketone and maleic acid di-secondary for the bleeding agent
One or more in ester sodium sulfonate, described several specially two or three.In the present invention, when for two or three when,
Each component equal proportion mixes.The present invention is not particularly limited to the source of mentioned reagent, is commonly used using those skilled in the art
Commercially available prod.In the present invention, the bleeding agent makes thermal fog wetting of particulates infiltrate through in Target crops blade or insect
In vivo.
Ethiprole thermal fog provided by the invention is 1.5~12.5% triphenyl phosphates including mass percent, is preferably
3.0~10%, more preferably 4~7%.The present invention is not particularly limited to the source of the triphenyl phosphate, using this area
The commercial goods that technical staff commonly uses.In the present invention, the triphenyl phosphate prevents thermal fog from making as fire retardant
There is flare in used time, causes potential potential safety hazard.
Ethiprole thermal fog provided by the invention includes the organic solvent of surplus, the organic solvent be aromatic hydrocarbon solvent,
One or more in plant oil solvent and polar solvent, described several specially two or three.When the organic solvent
For two or three when, each component is mixed with arbitrary proportion.
In the present invention, the aromatic hydrocarbon solvent preferably includes one kind or several in C10 aromatic hydrocarbons, o-dichlorohenzene and methyl naphthalene
Kind, described several specially two or three, when the aromatic hydrocarbon solvent is two or three, each component is mixed with equal proportion
Close.
In the present invention, the plant oil solvent preferably includes soybean oil, cottonseed oil, rapeseed oil, castor oil, turpentine
One or more in oil, methyl oleate and ethyl oleate, described several specially two kinds, three kinds, four kinds or five kinds, when described
When plant oil solvent is two kinds, three kinds, four kinds or five kinds, each component is mixed with equal proportion.
In the present invention, the polar solvent preferably includes acetophenone, phenmethylol, 1-METHYLPYRROLIDONE, N, N- diformazans
One or more in base formamide and dimethyl sulfoxide, described several specially two kinds, three kinds or four kinds, when the polar solvent
For two kinds, three kinds or four kinds when, each component is mixed with equal proportion.The present invention is not particularly limited to the source of mentioned reagent, is adopted
The commercially available prod routinely selected with those skilled in the art.
In the present invention, the organic solvent can dissolve active ingredient.
The preparation method of the ethiprole thermal fog provided present invention also offers such scheme, comprises the following steps：
After with solvent, ethiprole is dissolved, then by obtained ethiprole solution and surfactant, bleeding agent and tricresyl phosphate
Phenyl ester mixes, and produces ethiprole thermal fog.
In the present invention, the dissolving and mixing are carried out preferably under conditions of stirring, bar of the present invention to the stirring
Part is not particularly limited, the stirring condition routinely used using those skilled in the art.
Present invention also offers application of the ethiprole thermal fog in crop pests are prevented and treated that above-mentioned technical proposal provides,
The insect pest is specially Bemisia tabaci, diaphorina citri, sugarcane aphid, corn leaf aphids and tobacco onion thrips etc..
The present invention is not particularly limited to the application method of the ethiprole thermal fog, specially with conventional dose user
Formula uses this medicament using or using hot mist machine..
A kind of ethiprole thermal fog provided by the invention and its preparation method and application is carried out with reference to embodiment detailed
Thin explanation, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
Ethiprole 0.5kg, azone 1kg, castor oil polyoxyethylene ether 2.5kg, calcium dodecyl benzene sulfonate 0.5kg, phosphoric acid
Triphenylmethyl methacrylate 1kg, acetophenone 10kg, methyl naphthalene complement to 100kg.
Preparation method：In the container with stirring, first with solvent acetophenone and methyl naphthalene by after ethiprole stirring and dissolving, then
Surfactant castor oil polyoxyethylene ether, calcium dodecyl benzene sulfonate are added, penetrant azone and triphenyl phosphate stirring are mixed
Close, produce ethiprole thermal fog.
Embodiment 2
Ethiprole 1kg, azone 2kg, AEO 6kg, calcium dodecyl benzene sulfonate 3kg, triphenyl phosphate
4kg, 1-METHYLPYRROLIDONE 5kg, soybean oil 15kg, methyl naphthalene complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 3
Ethiprole 2kg, azone 2kg, AEO 8kg, calcium dodecyl benzene sulfonate 5kg, triphenyl phosphate
10kg, phenmethylol 12kg, methyl oleate 20kg, methyl naphthalene complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 4
Ethiprole 3kg, thiophene ketone 2kg, alkylaryl polyoxyethylene polyoxypropylene ether again 4kg, calcium dodecyl benzene sulfonate
2.5kg, tributyl phosphate 3kg, 1-METHYLPYRROLIDONE 10kg, cottonseed oil 10kg, C10 aromatic hydrocarbons complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 5
Ethiprole 5kg, T5kg, APES 7kg, calcium dodecyl benzene sulfonate 3kg, triphenyl phosphate are oozed soon
5kg, dimethyl sulfoxide 10kg, o-dichlorohenzene complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 6
Ethiprole 8kg, azone 2kg, alkylaryl polyoxyethylene polyoxypropylene ether again 5kg, calcium dodecyl benzene sulfonate 3kg,
Triphenyl phosphate 6kg, dimethyl sulfoxide 12kg, methyl naphthalene complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 7
Ethiprole 10kg, azone 3kg, phenethyl phenol polyethenoxy ether 5kg, calcium dodecyl benzene sulfonate 2.5kg, tricresyl phosphate
Phenyl ester 5kg, dimethyl sulfoxide 15kg, methyl naphthalene complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Embodiment 8
Ethiprole 12kg, T2kg, AEO 5kg, calcium dodecyl benzene sulfonate 2kg, phosphoric acid triphen are oozed soon
Ester 5kg, DMF 10kg, turpentine oil 10kg, C10 aromatic hydrocarbons complement to 100kg.
The preparation of the present embodiment is prepared according to preparation method same as Example 1.
Contrast agent 1：9.7% ethiprole suspending agent
Formula：9.7% ethiprole, 5% polymerization of carboxylic acid salt, 5% phosphate, 0.2% xanthans, 0.02% KF88, water are mended
Enough to 100%.After above-mentioned material is well mixed, material particles D is milled to through sand90≤ 10 μm, produce the suspension of 9.7% ethiprole
Agent.
Test example 1 prevents and treats the field test of plastic tent cucumber Bemisia tabaci
Ethiprole thermal fog provided by the invention and 9.7% ethiprole suspending agent are carried out to prevent and treat plastic tent cucumber Bemisia tabaci
Field control effectiveness test.Test method：The hot mist machine dispenser of ethiprole thermal fog, closed greenhouse is opened canopy after 30 minutes and led to after dispenser
Wind；9.7% ethiprole suspending agent uses conventional manual sprayer spray pesticide after being watered dilution；Clear water compares.Each cell face
Product is 200m2, it is repeated 1 times, 3 days after medicine, investigates preventive effect within 15 days.Investigation drug effect method be：Each cell by east, south, west,
North, in take 5 points, every singling investigates 2 plants, records Bemisia tabaci quantity, and calculates prevention effect, the results are shown in Table 1.Calculation formula
It is as follows：
Borer population × 100 before Revision insect recluced rate (%)=(borer population after borer population-dispenser before dispenser)/dispenser
(the 100- control insect population declines of prevention effect (%)=(dispenser Revision insect recluced rate-control Revision insect recluced rate) × 100/
Rate).
Table 1 prevents and treats the field test results of plastic tent cucumber Bemisia tabaci
As can be drawn from Table 1, ethiprole thermal fog to the preventive effect of greenhouse Bemisia tabaci than ethiprole conventional formulation such as 9.7%
Ethiprole suspending agent is good, and lasting effect is longer.
As seen from the above embodiment, it is higher than ethiprole using the prevention effect of ethiprole thermal fog provided by the invention to hang
Floating agent, and continuation is longer.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of ethiprole thermal fog, including following components in percentage by weight：
Surplus is organic solvent, the organic solvent be aromatic hydrocarbon solvent, plant oil solvent and one kind in polar solvent or
It is several.
2. ethiprole thermal fog according to claim 1, it is characterised in that including following components in percentage by weight：
3. ethiprole thermal fog according to claim 1 or 2, it is characterised in that the surfactant includes polyoxy second
One or more in alkene ether surfactant and calcium dodecyl benzene sulfonate.
4. ethiprole thermal fog according to claim 3, it is characterised in that the polyethenoxy ether class surfactant bag
Include AEO, APES, phenethyl phenol polyethenoxy ether, alkylaryl polyoxypropylene polyoxy second
One or more in alkene ether and castor oil polyoxyethylene ether.
5. ethiprole thermal fog according to claim 1 or 2, it is characterised in that the bleeding agent include azone, thiophene ketone and
One or more in disecoctylmaleate sodium sulfonate.
6. ethiprole thermal fog according to claim 1 or 2, it is characterised in that the aromatic hydrocarbon solvent includes C10 virtues
One or more in hydrocarbon, o-dichlorohenzene and methyl naphthalene.
7. ethiprole thermal fog according to claim 1 or 2, it is characterised in that the plant oil solvent includes soybean
One or more in oil, cottonseed oil, rapeseed oil, castor oil, turpentine oil, methyl oleate and ethyl oleate.
8. ethiprole thermal fog according to claim 1 or 2, it is characterised in that the polar solvent includes acetophenone, benzene
One or more in methanol, 1-METHYLPYRROLIDONE, N,N-dimethylformamide and dimethyl sulfoxide.
9. the preparation method of the ethiprole thermal fog described in claim 1~8 any one, comprises the following steps：
After with organic solvent, ethiprole is dissolved, then by obtained ethiprole solution and surfactant, bleeding agent and tricresyl phosphate
Phenyl ester mixes, and obtains ethiprole thermal fog.
10. ethiprole prepared by the ethiprole thermal fog or claim 9 methods described described in claim 1~8 any one
Application of the thermal fog in crop pests are prevented and treated.
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Application publication date: 20171124 |