CN102669120A - Synergistic acaricidal composition containing avermectin and spiromesifen - Google Patents
Synergistic acaricidal composition containing avermectin and spiromesifen Download PDFInfo
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- CN102669120A CN102669120A CN2012101065610A CN201210106561A CN102669120A CN 102669120 A CN102669120 A CN 102669120A CN 2012101065610 A CN2012101065610 A CN 2012101065610A CN 201210106561 A CN201210106561 A CN 201210106561A CN 102669120 A CN102669120 A CN 102669120A
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- spiromesifen
- avm
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- synergistic
- mite killing
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Abstract
The invention discloses a synergistic acaricidal composition containing avermectin and spiromesifen. The acaricidal composition comprises a first effective component, a second effective component and common auxiliary components, wherein the first effective component is the avermectin, the second effective component is the spiromesifen, and the weight ratio of the avermectin to the spiromesifen is 30:1-1:80. After being the compounded, the acaricidal composition has a significant synergistic effect. The effect of preventing the panonychus on the orange and the carminespider mite on the cotton of the acaricidal composition is superior to the effect of the single avermectin and the single spiromesifen. Due to the adoption of the acaricidal composition, the use amount of the pesticide can be reduced, the cost of the pesticide can be lowered, the pollution to the environment can be reduced.
Description
Technical field
The present invention relates to agricultural chemicals miticide composition and application thereof, is the composite binary complex of active ingredient with AVM and Spiromesifen specifically, is applied to prevent and treat panonychus citri and cotton Tetranychus cinnabarinus.
Background technology
Spiromesifen, english common name: spiromesifen is mainly used in control aleyrodid and evil mite on cotton, vegetables and the ornamental plants.Its mechanism of action is the growth that influences aleyrodid and acarid, disturbs the biosynthesis of its liposome, especially larval stage is had activity preferably, can also produce the ovarian duct closure function simultaneously, reduces the fertility of acarid and adult whitefly, significantly reduces the quantity of laying eggs.Prove that with field trial Spiromesifen is safe to beneficial organism through indoor, and the integrated control of suitable insect, residual effect is excellent, and plant compatibility is good, and is environmentally safe.
AVM, english common name: abamectin, it is a kind of macrolide disaccharide compounds.Be the natural products that from edaphon, separates, insect and mite class had tag and stomach poison function and faint fumigation action no systemic action.But it has very strong osmosis to blade, can kill subepidermal insect, and the longevity of residure is long.What its mechanism of action was different with general insecticide is that it disturbs neurophysiology movable; Stimulate to discharge the r-reanal, and the r-reanal has inhibitory action to arthropodan nerve conduction, become, if mite and insect with paralysis symptom promptly appears after medicament contacts; Inertia is not got food, and is dead after 2-4 days.Though it is it has direct killing effect to predatism and parasite,, therefore little to the damage of beneficial insect because of plant surface is residual few.
The mite class is one type of common insect, and plants such as danger to vegetables, fruit tree, cotton are often caused destructive disaster to plant.The evil mite is taken place from generation to generation many, and fertility is strong, and under suitable temperature, damp condition, evil mite quantity increases rapidly in the short period of time exponentially, thereby is prone to miticide is developed immunity to drugs, and preventive effect descends, and causes serious harm to crop simultaneously.For example, panonychus citri (
Panonychus citriMcGregor) be the main harmful mite that present China oranges and tangerines growing area generally takes place, the generation cycle is short, and fertility is strong, is prone to the control medicament is developed immunity to drugs; For another example, Tetranychus urticae (
Tetranychus urticaeKoah) being worldwide harmful mite, being commonly called as white spider, is that harm is big in the orchard in recent years, pesticide resistance is strong, a kind of harmful mite of awkward control.
It is an important subject that the evil mite is administered.The miticide of different effects mechanism uses by turns or mixes to use and can effectively slow down the drug-fast generation of harmful mite, and therefore, development is efficient, low toxicity, low-residual, different effects mechanism; The complex preparation that synergistic function is arranged again simultaneously; Not only help to delay the drug-fast generation of evil mite, but also can prolong the service life of pesticide species, reduce using dosage; Practice thrift cost, reduce pollution environment.
The inventor furthers investigate the prescription screening of Spiromesifen and AVM; Find that AVM and Spiromesifen are mixed; In certain mixed ratio scope, have synergistic function, in actual use, the composite use of AVM and Spiromesifen all has outstanding control efficiency to the whole growth phase of panonychus citri and cotton Tetranychus cinnabarinus; Through further research, accomplished the present invention.
Summary of the invention
The object of the present invention is to provide a kind of miticide composition that contains AVM and Spiromesifen, said composition is composite to have obvious role in synergism, is applied to prevent and treat panonychus citri, cotton Tetranychus cinnabarinus on the crop.
Another object of the present invention is to contain the miticide composition of AVM and Spiromesifen; In use can reduce dosage, delay the drug-fast generation of evil mite, its control efficiency to the evil mite is obviously improved; Laborsaving, economical, reduce pollution to environment, reduce farmer's burdens.
The present composition is characterised in that: with AVM and Spiromesifen is active ingredient; The weight ratio of AVM and Spiromesifen is 30:1～1:80; Preferred weight ratio is 1:1～1:10; AVM and the percentage by weight of Spiromesifen weight summation in composition pesticide are 1%～80%, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
Composition pesticide of the present invention is prepared into known method and is fit to agricultural and goes up any one formulation of using, and reasonable formulation has a kind of in suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules and the missible oil.
The auxiliary element that uses in the present composition comprises that solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH regulator agent, antifoaming agent, antifreezing agent, packing agent etc. are of value to active ingredient stablizes and bring into play drug effect in preparation known substance; All be the various compositions of using or allow use in the pesticidal preparations always, concrete composition and consumption are confirmed through testing according to the prescription requirement.
The frequency of administration of the present composition and amount of application have small variations with crops, insect, weather condition variation, can reach the purpose of control through using suitable dosage.
Compared with prior art, the invention has the advantages that.
1, composite have an obvious role in synergism, uses the control efficiency that has improved the evil mite separately than single agent.
2, double action mechanism delays the drug-fast generation of evil mite.
3, two kinds of active ingredients are composite, reduced the agricultural chemicals usage amount, reduced use cost and to the pollution of environment.
Embodiment
In order to understand essence of the present invention better, below in conjunction with embodiment content of the present invention is described further, but can not be regarded as limitation of the present invention.
(1) prescription and preparation processing embodiment.
Active ingredient adopts former medicine of 95% AVM and the former medicine of 96.5% Spiromesifen in the embodiment of the invention.Each component percentage composition described in the instance is weight percentage.
embodiment 1:30% AVM Spiromesifen suspending agent.
Take by weighing 3% AVM, 27% Spiromesifen, 10% condensation compound of methyl naphthalene sulfonic acid and formaldehyde, 1.5% xanthans, 1.5% bentonite, 4% agricultural newborn 600#, 4% glycerine, deionized water complements to 100%.Above-mentioned raw materials is after mix, high speed shear is disperseed 30min, with making 30% AVM Spiromesifen suspending agent after the skin grinder grinding.
embodiment 2:20% AVM Spiromesifen microemulsion.
Get into compounding kettle after taking by weighing 2% AVM, 18% Spiromesifen, 5% ethyl acetate, 5% diethyl phthalate, the abundant mixed dissolution of three; Add 2% APES, 6% polyol fatty acid ester and ethylene oxide adduct thereof, 5% maleic acid di-sec-octyl sodium sulfonate, 2% antioxidant 264 to compounding kettle again; Fully after the stirring and dissolving, deionized water complements to 100%.Continue to be stirred to transparent, make 20% AVM Spiromesifen microemulsion.
embodiment 3:40% Spiromesifen abamectin aqueous emulsion.
Take by weighing 5% AVM, 35% Spiromesifen, 5% agricultural newborn 1601#, 8%N-methyl pyrrolidone, 3% calcium dodecyl benzene sulfonate, 0.5% xanthan gum, 0.5% organosilicon, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear emulsification makes 40% AVM Spiromesifen aqueous emulsion.
embodiment 4:50% AVM Spiromesifen wetting powder.
Taking by weighing 20% AVM, 30% Spiromesifen, 5% draws back powder, 6% naphthalenesulfonate formaldehyde condensation compound, 15% talcum powder, kaolin and adds to 100% weight portion.Above-mentioned raw materials makes 50% AVM Spiromesifen wetting powder through mixing behind the comminution by gas stream.
embodiment 5:55% AVM Spiromesifen water dispersible granules.
Take by weighing 25% AVM, 30% Spiromesifen, 8% mineral oil, 5% NPE, the fast T of 6% bleeding agent, 2% lauryl sodium sulfate, 8% sodium lignin sulfonate, 4% naphthalene sulfonate, bentonite and add to 100% weight portion.Above-mentioned raw materials makes 55% AVM Spiromesifen water dispersible granules through mixing, ultra micro comminution by gas stream, mixing, granulation.
embodiment 6:10% AVM Spiromesifen missible oil.
Take by weighing 1.5% AVM, 8.5% Spiromesifen, 3% agricultural newborn 500#, 4% agricultural newborn 400#, 2% Nongru-700 #, 4% sulfurous acid triphenylmethyl methacrylate, solvent naphtha S-150 adds to 100% weight portion.Above-mentioned raw materials makes 10% AVM Spiromesifen missible oil after mix, stirring and dissolving is complete.
Indoor biological activity determination of
(two) present composition and field efficacy checking.
1, Spiromesifen and AVM are to the indoor joint toxicity measuring of panonychus citri.
Supply the examination worm: the indoor feeding panonychus citri (
Panonychus citriMe Gregor) female one-tenth mite.Supply the reagent agent: former medicine of 95% AVM and the former medicine of 96.5% Spiromesifen.
Test method is with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) " and " the agricultural industry criteria NY/T1154.12-2008 of the People's Republic of China (PRC) ".Adopt the slide infusion process, promptly be cut into the end that 1cm * 2cm is attached to slide to two-sided tape, the back side of the female one-tenth mite of panonychus citri is bonded on the adhesive tape, 40 mites of each slide are established 4 repetitions, microscopy after 4 hours.After choosing dead mite; Benefit is added and is lived into mite, places the slide that is stained with female one-tenth mite that dipping took out after 5 seconds in the soup, absorbs slide and mite body unnecessary soup on every side with filter paper; Move under 25 ℃, relative moisture 90% condition and cultivate; Microscopy after 24 hours, record death toll and survival number (touch the motionless person of mite body with the writing brush point and be regarded as death), blank is handled with clear water.Calculate lethality or corrected mortality that each is handled.
Carry out statistical analysis with the DPS statistical analysis software, calculate the LC of each medicament
50, and calculate the co-toxicity coefficient (CTC value) of mixture according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ confession reagent agent LC
50) * 100.
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture.
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100.
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC)>=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Can find out that from table 1 Spiromesifen and AVM are 30
:1～1
:When composite, co-toxicity coefficient (CTC) shows synergistic function all greater than 120 to panonychus citri, especially 1 in the scope of 80 (by weight)
:1～1
:In the scope of 10 (by weight) when composite synergistic function more obvious, co-toxicity coefficient (CTC) reaches more than 200.It is thus clear that Spiromesifen and abamectin compounded has reasonability and feasibility.
Table 1, Spiromesifen and AVM are to the indoor joint toxicity measuring of panonychus citri.
2, the composite field control effectiveness test of AVM and Spiromesifen to panonychus citri.
Adopt embodiment 2 (20% AVM Spiromesifen microemulsion) to be used to prevent and treat panonychus citri; Investigation insect population radix before the dispenser, 7d, 14d, 30d investigate residual mite number alive respectively behind the medicine, and 2 strains are looked in every sub-district during investigation; Every strain is looked into 5 blades respectively by 4 orientation, the four corners of the world; Every sub-district is looked into 40 blades altogether, and record mite number alive calculates control efficiency.The control efficiency computational methods are following.
Control efficiency (%)=(1-CK
1* Pt
1/ CK
2* Pt
2) * 100.
Wherein: CK
1Represent the preceding insect population number of check plot medicine, Pt
1Represent insect population number behind the treatment region medicine,
CK
2Represent insect population number behind the medicine of check plot, Pt
2Represent the preceding insect population number of treatment region medicine.
The result of the test of table 2,20% Spiromesifen avermectin micro-emulsion control panonychus citri.
, table 2 all to use 1500 times after can finding out 2000～3000 times of 7d of 20% AVM Spiromesifen microemulsion use, 14d, 30d apparently higher than 1000 times of the Spiromesifen suspending agent list agent uses same period 24% and 1.8% avermectin micro-emulsion list agent to the preventive effect of panonychus citri; Explain that Spiromesifen can improve the citrus red mite preventive effect with abamectin compounded comparing with the independent use of two kinds of single agent; Have good lasting effect simultaneously, and do not find oranges and tangerines are produced poisoning.
3, Spiromesifen and abamectin compounded to the full field control effectiveness test of cotton cinnabar leaf.
It is full to adopt embodiment 1 (30% AVM Spiromesifen suspending agent) to be used to prevent and treat cotton cinnabar leaf; Investigation insect population radix before the dispenser, 7d, 14d, 30d investigate residual mite number alive respectively behind the medicine, and 2 strains are looked in every sub-district during investigation; Every strain is looked into 5 blades respectively by 4 orientation, the four corners of the world; Each sub-district is looked into 40 blades altogether, and record mite number alive calculates control efficiency.The control efficiency computational methods are following.
Control efficiency (%)=(1-CK
1* Pt
1/ CK
2* Pt
2) * 100.
Wherein: CK
1Represent the preceding insect population number of check plot medicine, Pt
1Represent insect population number behind the treatment region medicine,
CK
2Represent insect population number behind the medicine of check plot, Pt
2Represent the preceding insect population number of treatment region medicine.
Table 3, the full result of the test of 30% Spiromesifen AVM suspending agent control cotton cinnabar leaf.
, table 3 all to use 1500 times after can finding out 3000～4000 times of 7d of 30% AVM Spiromesifen suspending agent use, 14d, 30d apparently higher than 1000 times of the Spiromesifen suspending agent list agent uses same period 24% and 1.8% avermectin micro-emulsion list agent to the full preventive effect of cotton cinnabar leaf; Explain that Spiromesifen can improve the full preventive effect of cotton cinnabar leaf with abamectin compounded comparing with the independent use of two kinds of single agent; Have good lasting effect simultaneously, and do not find cotton is produced poisoning.
In sum, it is the complex composition of AVM and Spiromesifen that the present invention adopts two kinds of active components, has synergistic function.Compare with existing single preparation, miticidal effect obviously improves, and the lasting period is long, to crop safety, can slow down the drug-fast generation of harmful mite, is worth in agricultural production, applying.
Claims (7)
1. a Synergistic mite killing composition that contains AVM and Spiromesifen is characterized in that active ingredient is Spiromesifen and AVM.
2. a kind of Synergistic mite killing composition that contains AVM and Spiromesifen according to claim 1 is characterized in that: the weight ratio of Spiromesifen and AVM is 30:1～1:80.
3. a kind of Synergistic mite killing composition that contains AVM and Spiromesifen according to claim 2 is characterized in that: the weight ratio of Spiromesifen and AVM is for being 1:1～1:10.
4. according to claim 1,2 or 3 described a kind of Synergistic mite killing compositions that contain AVM and Spiromesifen, it is characterized in that: Spiromesifen and the AVM gross weight percentage composition in composition is 1～80%.
5. according to claim 1,2 or 3 each described a kind of Synergistic mite killing compositions that contain AVM and Spiromesifen; It is characterized in that: also contain pesticidal preparations auxiliary element commonly used in the said miticide composition, so that process the formulation products that is adapted at using in the agricultural production.
6. a kind of Synergistic mite killing composition that contains AVM and Spiromesifen according to claim 5 is characterized in that: its formulation is a kind of in suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules or the missible oil.
7. according to the said a kind of Synergistic mite killing composition that contains AVM and Spiromesifen of claim 1, it is characterized in that being applicable to control panonychus citri and cotton Tetranychus cinnabarinus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101065610A CN102669120A (en) | 2012-04-12 | 2012-04-12 | Synergistic acaricidal composition containing avermectin and spiromesifen |
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| CN2012101065610A CN102669120A (en) | 2012-04-12 | 2012-04-12 | Synergistic acaricidal composition containing avermectin and spiromesifen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103621518A (en) * | 2012-08-30 | 2014-03-12 | 陕西美邦农药有限公司 | Pesticide composition containing spiromesifen and biological sources |
| CN107517983A (en) * | 2016-06-21 | 2017-12-29 | 江苏龙灯化学有限公司 | A kind of Pesticidal combination |
| CN114931143A (en) * | 2022-06-20 | 2022-08-23 | 硅羿科技（上海）有限公司 | Pesticide preparation for killing panonychus citri and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1635834A (en) * | 2000-03-21 | 2005-07-06 | 拜尔公司 | Combinations of active ingredients with insecticidal and acaricidal properties |
-
2012
- 2012-04-12 CN CN2012101065610A patent/CN102669120A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1635834A (en) * | 2000-03-21 | 2005-07-06 | 拜尔公司 | Combinations of active ingredients with insecticidal and acaricidal properties |
Non-Patent Citations (1)
| Title |
|---|
| 张明星 等: "新型杀虫、杀螨剂螺甲螨酯", 《农药》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103621518A (en) * | 2012-08-30 | 2014-03-12 | 陕西美邦农药有限公司 | Pesticide composition containing spiromesifen and biological sources |
| CN107517983A (en) * | 2016-06-21 | 2017-12-29 | 江苏龙灯化学有限公司 | A kind of Pesticidal combination |
| CN114931143A (en) * | 2022-06-20 | 2022-08-23 | 硅羿科技（上海）有限公司 | Pesticide preparation for killing panonychus citri and preparation method and application thereof |
| CN114931143B (en) * | 2022-06-20 | 2024-03-08 | 硅羿科技（上海）有限公司 | Pesticide preparation for killing panonychus citri, and preparation method and application thereof |
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Application publication date: 20120919 |