CN107047601A - A kind of agricultural chemical insecticide composition - Google Patents
A kind of agricultural chemical insecticide composition Download PDFInfo
- Publication number
- CN107047601A CN107047601A CN201710384712.1A CN201710384712A CN107047601A CN 107047601 A CN107047601 A CN 107047601A CN 201710384712 A CN201710384712 A CN 201710384712A CN 107047601 A CN107047601 A CN 107047601A
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- Prior art keywords
- avermectin
- sulfoxaflor
- agricultural chemical
- insecticide composition
- chemical insecticide
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Abstract
The invention provides a kind of agricultural chemical insecticide composition, its active ingredient includes avermectin B2a, sulfoxaflor；The avermectin B2a and the mass ratio of sulfoxaflor are 1~80:80~1；Preferably described avermectin B2a and the mass ratio of sulfoxaflor are 1~30:30~1；The total mass fraction of the avermectin B2a and sulfoxaflor is 1%~80%, and surplus is auxiliary agent；The present invention can effectively prevent and treat a variety of suckings pest.
Description
Technical field
The present invention relates to technical field of pesticide, and in particular to a kind of agricultural chemical insecticide composition.
Background technology
Aphid, plant hopper, thrips, scale insect etc. belong to sucking pest, and they have, and the breeding cycle is short, breeding amount
Greatly, generation overlap substantially etc. feature, it is easy to develop immunity to drugs.Imidacloprid, Acetamiprid etc. are the conventional medicaments for killing this class pest,
But it is due to largely to use year after year, above-mentioned insect has produced very strong resistance for medicaments such as imidacloprid, Acetamiprids.
The content of the invention
To solve the above problems, the invention provides a kind of agricultural chemical insecticide composition, it can effectively prevent and treat a variety of thorns
Suction mouthpart insect.
The present invention is as follows for the used technical scheme that solves the above problems：
A kind of agricultural chemical insecticide composition, its active ingredient includes avermectin B2a, sulfoxaflor.
Further, the avermectin B2a and the mass ratio of sulfoxaflor are 1~80:80~1.
Further, the avermectin B2a and the mass ratio of sulfoxaflor are 1~30:30~1.
Further, the total mass fraction of the avermectin B2a and sulfoxaflor is 1%~80%, and surplus is to help
Agent.
Further, the total mass fraction of the avermectin B2a and sulfoxaflor is 1%~30%, and surplus is to help
Agent.
According to method known in those skilled in the art, the present invention can be missible oil, aqueous emulsion, suspending agent, wettable
The formulations such as pulvis, water dispersible granules, microemulsion.
When the present invention can be suspending agent, the auxiliary agent includes dispersant, thickener, defoamer and antifreezing agent；Institute
State dispersant and be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat, alkyl benzene sulphonate
Calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate,
One or more in glycerine fatty acid ester APEO；Described thickener is selected from：Xanthans, hydroxymethyl cellulose, hydroxyl
One or more in ethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol；Described antifreezing agent is selected from：Second two
One or more in alcohol, propane diols, glycerine；Described defoamer is selected from：Silicone oil, silicone compound, C10-20 saturations
One or more in fatty acid compound, C8-10 aliphatic alcohols compounds.
When the present invention is water dispersible granules, described auxiliary agent is dispersant, disintegrant and filler；Described dispersant
The dispersant is selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat, benzene sulfonamide
Acid calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, aliphatic acid polyethenoxy
One or more in ester, glycerine fatty acid ester APEO；Described disintegrant is selected from：Bentonite, urea, ammonium sulfate,
One or more in aluminium chloride, citric acid, succinic acid, sodium acid carbonate；Described filler is selected from：Kaolin, diatomite, swelling
One or more in soil, attapulgite, white carbon, starch, precipitated calcium carbonate.
When the present invention is wettable powder, described auxiliary agent includes dispersant, wetting agent and filler；Described is described
Dispersant be selected from polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulfat, alkyl benzene sulphonate
Calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate,
One or more in glycerine fatty acid ester APEO；Described wetting agent is selected from：Lauryl sodium sulfate, dodecyl
Benzene sulfonic acid calcium, Nekal BX, wetting and penetrating agent F, alkylnaphthalene sulfonate, polyoxyethylene tri-styryl phosphenylic acid salt, gleditsia sinensis
One or more in powder, silkworm excrement, spaonin powder；Described filler is selected from：Kaolin, diatomite, bentonite, attapulgite,
One or more in white carbon, starch, precipitated calcium carbonate.
When the present invention is microemulsion, described auxiliary agent includes emulsifying agent, antifreezing agent and deionized water；Described emulsification
Agent is preferably calcium dodecyl benzene sulfonate, aliphatic acid polyethenoxy ether, APES sulfosuccinate, styrene
Base phenol APEO, NPE, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, polyoxy second
Any of alkene fatty alcohol ether or more than one mixtures constituted with arbitrary proportion；Described antifreezing agent is selected from：Ethylene glycol,
One or more in propane diols, glycerine.
Stabilizer can additionally be included, described stabilizer is selected from：One kind in sodium citrate, resorcinol.
The present invention has the following technical effect that：
AVM is a kind of f macrolide disaccharide compound, and tool is tagged, stomach poison function, and has very strong penetration.Avermectin
Element is the ten hexa-atomic macrolides desinsection natural products produced by streptomycete fermentation, the wherein big component B1 of the one of homologue and its
Derivative has realized commercialization, but has also derived agricultural chemicals drug resistance problems simultaneously, and peasant household's usage amount is big, the anti-medicine of crop pests
Property is stronger, therefore the preventive effect ability of the single dose Pesticidal products of AVERMECTIN B1 is more and more lower.The homologue of AVM is another big
Component B2a is higher than B1 to the virulence activity of some arthropods and non-digestive tract nematode, especially eats root nematode, bloom to corn
First, B2a virulence is 3~5 times of B1.Having been carried out indoor toxicity and field control effectiveness test proves to Lepidoptera, Hymenoptera, half wing
Mesh, homoptera pest are efficient.Available for radish, carrot, strawberry, eggplant, tomato, cucumber, muskmelon, watermelon, sweet potato and potato
Deng crop.It is harmless to honeybee, do not limited by application of blooming, to crop safety.
Avermectin B2a, English name：Avermectin B2a, chemical name：Avermectin B2a：(13R, 23S) -22,
23- dihydro -5-0- dimethyl -23- hydroxyl avermectin A1as.CAS accession number：65195-57-5(B2a).Molecular weight：891.1
(B2a).Molecular formula：C48H74O15(B2a).Outward appearance：White or buff powder or crystallization；Fusing point：155 DEG C~160 DEG C；It is molten
Xie Xing：Water is slightly soluble in, more than 15 DEG C, solubility is high in most organic solvents such as toluene, methanol, ethanol, DMF, acetone；Surely
It is qualitative：Stability is good in the aqueous solution (25 DEG C) of pH value 5~7；It is sensitive to strong acid and strong base.Avermectin B2a is to activate nicotinoyl
Acetylcholinergic receptor is action site, causes the effects such as insect paralysis.Avermectin B2a structural formula is
Sulfoxaflor, English common name：Sulfoxaflor, chemical name：[1- [6- (trifluoromethyl) pyrroles
Pyridine -3- bases] ethyl] methyl (oxygen)-λ 4- sulfydryl cyanamides.Sulfoxaflor is sulfimide insecticide, acts on insect courage
Alkali is played insecticidal function by internal unique binding site.It can absorb and enter in plant through leaf, stem, root.Suitable for anti-
Control crop aphid, fleahopper, aleyrodid, plant hopper, scale insect etc..
Avermectin B2a and sulfoxaflor have obviously synergistic effect after coordinating according to a certain percentage, can be with
Effective ingredient consumption is reduced, delays the generation of pest resistance to insecticide, and available for the improvement of resistant insect.It is especially adapted for preventing
Control vegetables and the sucking pest insect of fruit, for it is anti-eliminate aphis, aleyrodid, mealybug, scale insect, plant hopper, thrips, tea it is small
Greenery cicada etc. has good effect.Consumption of the present invention is low, be not easily caused residual it is exceeded, while also have toxicity it is low the characteristics of,
Be conducive to environmental protection and production non-polluted farm product.
Embodiment
Technical scheme is further elaborated with reference to embodiments.
1.1 reagent agent
Mass concentration is that 95% avermectin B2a active compound, mass concentration are 95% sulfoxaflor active compound, is given birth to by Hebei Weiyuan
Change research and development centre of agricultural chemicals Co., Ltd to provide；By the solution that is configured to various concentrations of the mentioned reagent according to table 1, reality is designated as
Apply a 1-5.
The embodiment 1-5 active ingredients of table 1 match table
1.2 supply test worm
Indoor potted apple seedling continuously raises the apple aphid three ages adult in 10 generations, temperature (25 ± 2) DEG C, relative humidity 50%
± 4%, periodicity of illumination 14/10h (L/D).
1.3 single doses are determined
Using dip method by two active compounds all with 10 milligrams of acetone solutions, then with 0.1% Tween solution it is diluted to the 5 of equal difference
The solution of individual concentration, is diluted in beaker with standby, and be used as control using clear water.By three ages apple aphid adult of the same size
5s is impregnated in the decoction of leaching worm cage, sucks and is placed on after unnecessary decoction in a diameter of 9cm culture dish, is placed with culture dish
Fresh apple blade is capped.10 are handled per concentration, is repeated 4 times.If blank control.Protected in (27 ± 1) DEG C illumination box
Hold and the death rate is checked after 24h, it is dead that polypide nonresponder is touched with pulling needle.Death rate Abbott formula corrections, further according to
Log concentration --- death rate probit value analyzes (Bliss) method, obtains virulence regression equation and puts dead middle amount LC50 value.
1.4 embodiment 1-5 joint toxicity measuring
According to the toxicity test result of single dose, embodiment 1-5 is subjected to toxicity test according to above-mentioned 1.3 method, LC50 is calculated, and
Co-toxicity coefficient (CTC) is calculated by the abundant methods of Sun Yun.Co-toxicity coefficient CTC, calculation formula is as follows：(using avermectin B2a as standard medicine
Agent, 100) its toxicity index is：
C50 × 100 of the LC50/ sulfoxaflors of toxicity index (TII)=avermectin B2a of sulfoxaflor
The LC50/M of M actual toxicity index (ATI)=avermectin B2a LC50 × 100
TII × P fluorine of TTI × P avermectin B2as+sulfoxaflor of M theoretical toxicity index (TTI)=avermectin B2a
Sulfoxaflor
In the formula of M co-toxicity coefficient (CTC)=M ATI/M TTI × 100：
M is the mixture that avermectin B2a presses different ratio with sulfoxaflor
P sulfoxaflors are sulfoxaflor ratio shared in mixture
P avermectin B2as are avermectin B2a ratio shared in mixture
2.1 toxicity test results
The indoor measurement result of the avermectin B2a of table 2, sulfoxaflor to apple aphid
As can be seen from the table, in the mixture of different proportion, its co-toxicity coefficient is all higher than 120, shows certain synergy and makees
With wherein embodiment 2, i.e. avermectin B2a: the synergistic effect that sulfoxaflor is 5: 15 is most obvious, and co-toxicity coefficient is
218.84.Result of the test shows that avermectin B2a, two kinds of medicaments of sulfoxaflor have to apple aphid in room conditions
Higher activity, the result of the test of different proportion proportioning shows, by active ingredient avermectin B2a: sulfoxaflor is 3：17、
When 5: 15,10: 10,15: 5,17: 3, stronger synergistic effect is shown, wherein using avermectin B2a: sulfoxaflor is 5
: when 15, synergistic effect is best.
3 field tests prevent and treat apple aphid.
3.1 field experiments prevent and treat apple aphid
3.1 test method
3.1.1 application method
Experiment sprays 1 time altogether, and dispenser date is June 16.Apple aphid adult was mostly in for 2~3 ages.Weather during spray
It is cloudy calm.With level pressure knapsack hand sprayer to each processing even spraying, leave dual sides, which are required, is sprayed with effect decoction.
3.1.2 investigation method
Investigate each cell and fix 1 plant of apple sapling as the adult quantity on the whole blades of investigation strain records.Investigated before spray
Insect population, respectively 3 after spray, 7 days and the borer population living of investigation in 14 days.This experiment is investigated 4 times altogether.
3.1.3 drug effect computational methods
Borer population living before Revision insect recluced rate (%)=(borer population living after borer population-dispenser living before dispenser)/dispenser) × 100%
Preventive effect (%)=(treatment region Revision insect recluced rate-check plot Revision insect recluced rate)/(100- check plots Revision insect recluced rate) ×
100%
3.1.4 poisoning investigation method
Continuous 10d range estimations medicament does not have poisoning generation, apple sapling well-grown to crop after dispenser.
3.2 field control effectiveness test result
The treatment agent of table 3 prevents and treats apple aphid field control effectiveness test result
From table 3 it can be seen that the Mixed Pharmacy of different proportion, it is carried out after field experiment, medicine to apple aphid by different consumptions
The prevention effect of worm is superior to comparison medicament, embodiment 2, i.e., 20% (avermectin B2a: sulfoxaflor) (5: 15) are after medicine
14 days, insecticidal effect was respectively 86.69%, 90.20% and 92.94%, and insecticidal effect increases with the increase of consumption, each to use
Difference is extremely notable between amount processing insecticidal effect.Estimated according to field, in the range of test dose, plant growth is normal, everywhere
Reason medicament does not occur the poisoning phenomenon to apple, and it is safe to apple to illustrate it.
The preventing and treating tea lesser leafhopper experiment of 4.1 field experiments
4.1.1 test method
Test and carried out on April 8th, 2016 to April 18 in District, Xinyang Area, Henan Province tea plantation.Test and pressed on April 8th, 2016
Each processing design concentration carries out conventional to water spray.Spraying equipment is WF-16 type knapsack hand sprayers, and shower nozzle is single fan
Shape fog spray head, operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min,
Conventional spraying is carried out, makes every effort to uniform thoughtful during spray.Field tea lesser leafhopper is 1~2 generation occurrence in peak period during dispenser.Often
667m2It is 70kg to water.
Weather is good during experiment, and daily mean temperature is 18.0~26.8 DEG C.Fine day on the day of dispenser.
4.1.2 investigation method
In having 2~3 plants of tea lesser leafhopper ovum and the tealeaves of adult by the sampling every selections of of 5 points of diagonal in every cell before dispenser
(depending on insect density).The upper tea lesser leafhopper head number of probability demarcation strain is in this, as insect population before dispenser.In after dispenser
3rd, 7,14d investigates the tea lesser leafhopper borer population that survival is remained in fixed point singling and imitated using correcting Revision insect recluced rate as preventing and treating respectively
Really.
4.1.3 drug effect computational methods
Borer population living before Revision insect recluced rate (%)=(borer population living after borer population-dispenser living before dispenser)/dispenser) * 100%
Preventive effect (%)=(treatment region Revision insect recluced rate-check plot Revision insect recluced rate)/(100- check plots Revision insect recluced rate) *
100%
4.1.4 poisoning investigation method
Each processing cell tea growth is observed during experiment good, find no the generation of poisoning phenomenon.
4.2 field control effectiveness test result of the tests
The treatment agent of table 4 prevents and treats tea lesser leafhopper field control effectiveness test result
From table 4, it can be seen that the Mixed Pharmacy of different proportion, it is carried out after field experiment, medicine by different consumptions small to tea green
The prevention effect of leafhopper is superior to comparison medicament, and embodiment 2, i.e., 20% (avermectin B2a: sulfoxaflor) (10: 10) are prevented
Control tea lesser leafhopper quick-acting fast, efficiency time is long, and prevention effect is good.The insecticidal effect of 14 days is respectively reached after medicine
84.34%, 88.78%, 90.14%, insecticidal effect is incremented by with the increase of consumption.According to experimental observation, each medication processing pair
Tealeaves is without poisoning.It is recommended that dispenser period was rested in before the generation of tea lesser leafhopper adult 3, even spraying, blade face, leaf are required during dispenser
The back of the body it is uniform medicine, it is proposed that the medicaments different from other mechanisms of action are used alternatingly, to delay the generation of pest resistance to insecticide.
To sum up twice described in field experiment result, the Insecticidal combinations of the invention containing avermectin B2a and sulfoxaflor
Thing, good prevention effect is shown to insects such as apple aphid and tea lesser leafhoppers, to Target crops safety, with single dose phase
Than Pesticidal combination of the present invention has the mechanism of action unique, and unit administration amount is few, and quick-acting is good, the advantage of lasting period length, institute
To have great social effect in the research and development and popularization of the present invention, very big economic benefit can be produced, promote the volume increase of peasant
Increase income, to agricultural product and Environmental security, there are the potentiality vigorously promoted the use.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention.For those skilled in the art, without departing from the spirit and scope of the present invention, also
Some improvement can be made, these improvement also should be regarded as protection scope of the present invention.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention.For those skilled in the art, without departing from the spirit and scope of the present invention, also
Some improvement can be made, these improvement also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of agricultural chemical insecticide composition, it is characterised in that：Its active ingredient includes avermectin B2a, sulfoxaflor.
2. a kind of agricultural chemical insecticide composition according to claim 1, it is characterised in that：The avermectin B2a and fluorine
The mass ratio of sulfoxaflor is 1~80:80~1.
3. a kind of agricultural chemical insecticide composition according to claim 2, it is characterised in that：The avermectin B2a and fluorine
The mass ratio of sulfoxaflor is 1~30:30~1.
4. a kind of agricultural chemical insecticide composition according to claim 1, it is characterised in that：The avermectin B2a and fluorine
The total mass fraction of sulfoxaflor is 1%~80%.
5. a kind of agricultural chemical insecticide composition according to claim 4, it is characterised in that：The avermectin B2a and fluorine
The total mass fraction of sulfoxaflor is 1%~30%.
6. a kind of agricultural chemical insecticide composition as claimed in claim 1, it is characterised in that be prepared into missible oil, aqueous emulsion, suspension
Agent, wettable powder, water dispersible granules, microemulsion.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109221184A (en) * | 2018-09-18 | 2019-01-18 | 河北威远生物化工有限公司 | A kind of Pesticidal combination containing emamectin benzoate B2a/B2b benzoate and its preparation and application |
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| CN109221184A (en) * | 2018-09-18 | 2019-01-18 | 河北威远生物化工有限公司 | A kind of Pesticidal combination containing emamectin benzoate B2a/B2b benzoate and its preparation and application |
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Address after: 050031 Shijiazhuang chemical industry park in Hebei recycling Road No. 6 Applicant after: Hebei Weiyuan Biochemical Co., Ltd. Address before: 050031 Shijiazhuang chemical industry park in Hebei recycling Road No. 6 Applicant before: HEBEI VEYONG BIO-CHEMICAL CO., LTD. |
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Application publication date: 20170818 |