CN103039448A - Acaricidal composition containing spiromesifen and propargite - Google Patents
Acaricidal composition containing spiromesifen and propargite Download PDFInfo
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- CN103039448A CN103039448A CN2012105469685A CN201210546968A CN103039448A CN 103039448 A CN103039448 A CN 103039448A CN 2012105469685 A CN2012105469685 A CN 2012105469685A CN 201210546968 A CN201210546968 A CN 201210546968A CN 103039448 A CN103039448 A CN 103039448A
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- propargite
- spiromesifen
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- mite
- acaricidal composition
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Abstract
The invention discloses an acaricidal composition containing spiromesifen and propargite. The acaricidal composition comprises a first active ingredient, namely the spiromesifen, a second active ingredient, namely propargite, and common auxiliary ingredients, wherein the weight ratio of the spiromesifen to the propargite is (30 : 1)-(1 : 40). The acaricidal composition has obvious synergy after being compounded and excellent control effect against various pest mites on crops. By applying the acaricidal composition disclosed by the invention, the using quantity of agricultural chemicals can be effectively reduced, the cost caused by the use of the agricultural chemicals is further reduced and the environmental pollution is reduced.
Description
Technical field
The present invention relates to agricultural chemicals miticide composition and application thereof, specifically take Spiromesifen and propargite as the composite binary complex of active ingredient, be applied to prevent and treat the harmful mite on the crop.
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 affects aleyrodid and acarid, disturbs the biosynthesis of its liposome, especially larval stage is had preferably activity, can also produce the ovarian duct closure function simultaneously, reduces the fertility of acarid and adult whitefly, greatly reduces the quantity of laying eggs.Prove that by indoor and field trial Spiromesifen is safe to beneficial organism, and the integrated control of suitable insect, residual effect is excellent, and plant compatibility is good, and is environmentally safe.
Propargite, english common name: propargite is a kind of broad spectrum organic phosphorus miticide, has and tags and stomach poison function.If effective to becoming mite, young mite mite, the ovicidal weak effect.Can be used for preventing and treating the harmful mite on the various crop such as cotton, vegetables, apple, oranges and tangerines, tealeaves and flowers, safer to most natural enemies, but when tender little crop is used, want strict controlled concentration, too high easy generation poisoning.
The mite class is the common insect of a class, and the crops such as danger to vegetables, fruit tree, cotton are often caused destructive disaster to crop.The evil mite occurs 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 easily miticide is developed immunity to drugs, and preventive effect descends, and gives simultaneously the crop harm.For example, panonychus citri (
Panonychus citriMcGregor) be the Main Harmful mite that present China oranges and tangerines growing area generally occurs, the generation cycle is short, and fertility is strong, is easy 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 to endanger a kind of harmful mite large, that pesticide resistance by force, is embarrassed control in the orchard in recent years.
It is an important subject that the evil mite is administered.The miticide of the different mechanisms of action uses by turns or mixes to use and can effectively slow down the drug-fast generation of harmful mite, therefore, development is efficient, low toxicity, low-residual, the different mechanism of action, the complex preparation that obvious 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, save cost, reduce the pollution to environment.
The inventor conducts in-depth research the prescription screening of Spiromesifen and propargite, find that Spiromesifen and propargite are mixed, in certain mixed ratio scope, has synergistic function, in actual use, the composite use of Spiromesifen and propargite is to there being outstanding control efficiency the whole vegetative period that does harm to mite, after further study, finished the present invention.
Summary of the invention
The object of the present invention is to provide a kind of miticide composition that contains Spiromesifen and propargite, said composition is composite to have obvious synergistic function, is applied to prevent and treat the harmful mite on the crop.
Another object of the present invention is to contain the miticide composition of Spiromesifen and propargite, 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 the pollution to environment, reduce farmer's burdens.
The present composition is characterised in that: take Spiromesifen and propargite as active ingredient, Spiromesifen and the propargite weight ratio in composition is 30:1～1:40, Spiromesifen and the percentage by weight of propargite 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 upper any one formulation used of agricultural, and reasonable formulation has suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules.
The auxiliary element that uses in the present composition comprises that solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are of value to active ingredient stablizes and bring into play drug effect in preparation known substance, all be various compositions commonly used in the pesticidal preparations or that permission is used, concrete composition and consumption require to pass through test according to prescription and determine.
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 by using suitable dosage.
Compared with prior art, the invention has the advantages that:
1, composite have an obvious synergistic function, uses separately the control efficiency that has improved the evil mite than single dose.
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 better essence of the present invention, below in conjunction with embodiment content of the present invention is described further, but can not be considered as limitation of the present invention.
(1) prescription and preparation processing embodiment.
Active ingredient adopts the former medicine of 96.5% Spiromesifen and 97% propargite medicine in the embodiment of the invention.Each component percentage composition described in the example is weight percentage.
Embodiment 1:40% Spiromesifen propargite missible oil.
Take by weighing 5% Spiromesifen, 35% propargite, 10%602#, 8%500#, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials makes 40% Spiromesifen propargite missible oil behind the mix and blend dissolve complete.
Embodiment 2:70% Spiromesifen propargite wetting powder.
Take by weighing 20% Spiromesifen, 50% propargite, 5% lauryl sodium sulfate, 8% sodium lignin sulfonate, 6% formaldehyde condensation products sodium sulfonate, kaolin adds to 100% weight portion.Above-mentioned raw materials makes 70% Spiromesifen propargite wetting powder through mixing behind the air-flow crushing.
Embodiment 3:35% Spiromesifen propargite suspending agent.
Take by weighing 15% Spiromesifen, 20% propargite, 10% sodium lignin sulfonate, 2%OP-10,0.5% polyvinyl alcohol, 5% propane diols, deionized water complements to 100%.Above-mentioned raw materials is after mix, high speed shear is disperseed 30min, with making 35% Spiromesifen propargite suspending agent after the skin grinder grinding.
Embodiment 4:40% Spiromesifen propargite microemulsion.
Take by weighing 20% Spiromesifen, 20% propargite, 5% Nongru-700 #, 5% agricultural newborn 500#, 5% cyclohexanone, 5% dimethyl formamide, fully after the stirring and dissolving, deionized water complements to 100%.Continue to be stirred to transparent, make 40% Spiromesifen propargite microemulsion.
Embodiment 5:55% Spiromesifen propargite water dispersible granules.
Take by weighing 10% Spiromesifen, 45% propargite, 2.5% sldium lauryl sulfate, 2.5% xanthans, 5% sodium lignin sulfonate, 10% sodium carbonate, diatomite adds to 100% weight portion.Above-mentioned raw materials makes 55% Spiromesifen propargite water dispersible granules through mixing, ultra micro air-flow crushing, mixing, granulation.
Embodiment 6:30% Spiromesifen propargite aqueous emulsion.
Take by weighing 3% Spiromesifen, 27% propargite, 2.5% agricultural newborn 2201#, 2.5% polyoxyethylene nonylphenol ether phosphate, 1.5% triphen ethyl-phenol polyoxyethylene ether phosphate, 2.5%T-60,1% epoxychloropropane, 5% ethylene glycol, 0.3% xanthans, 10% dimethylbenzene, surplus is deionized water.Above-mentioned raw materials is through mixing, and high speed shear emulsification makes 30% Spiromesifen propargite aqueous emulsion.
(2) the indoor biological activity determination of the present composition and field efficacy checking.
1, Spiromesifen and propargite are to the indoor joint toxicity measuring of panonychus citri.
For trying worm: the indoor feeding panonychus citri (
Panonychus citriMe Gregor) female one-tenth mite.
Reagent agent: the former medicine of 96.5% Spiromesifen and 90% propargite medicine.
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, namely two-sided tape is cut into the end that 1cm * 2cm is attached to slide, 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, the slide that is stained with female one-tenth mite is placed dipping afterwards taking-up in 5 seconds in the liquid, with unnecessary liquid around filter paper absorption slide and the mite body, 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 considered as death), blank is processed with clear water.Calculate lethality or corrected mortality that each is processed.
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/ reagent agent LC
50) * 100.
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture 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.
As can be seen from Table 1, Spiromesifen and propargite are 30
:1～1
:40(is by weight) scope in when composite, co-toxicity coefficient (CTC) shows synergistic function all greater than 120 to panonychus citri, visible Spiromesifen and fenpyroximate be composite to have reasonability and feasibility.
Table 1, Spiromesifen and propargite are to the indoor joint toxicity measuring of panonychus citri.
2, the composite field control effectiveness test to panonychus citri of Spiromesifen and propargite.
Adopt embodiment 1(40% Spiromesifen propargite missible oil) for the control panonychus citri, investigation insect population radix before the dispenser, 7d, 14d, 30d investigate respectively residual mite number alive behind the medicine, 2 strains are looked in every residential quarter during investigation, every strain is looked into respectively 5 blades by 4 orientation, the four corners of the world, every residential quarter is looked into 40 blades altogether, and record mite number alive calculates control efficiency.The control efficiency computational methods are as follows.
Control efficiency (%)=(1-CK1 * Pt1/CK2 * Pt2) * 100.
Wherein: CK1 represents insect population number before the medicine of check plot, Pt1 represent insect population number behind the treatment region medicine/
CK2 represents insect population number behind the medicine of check plot, and Pt2 represents insect population number before the treatment region medicine.
The result of the test of table 2,40% Spiromesifen propargite EC panonychus citri.
40% Spiromesifen propargite missible oil all will use 2000 times apparently higher than 1000 times of the Spiromesifen suspending agent single dose uses same period 24% and 73% propargite missible oil single dose to the preventive effect of panonychus citri after using 2000～4000 times of 7d, 14d, 30d as can be seen from Table 2, illustrate that composite the use separately with two kinds of single doses of Spiromesifen and propargite compare, can improve the panonychus citri preventive effect, reduced simultaneously the dosage of active ingredient, have good lasting effect, and do not find that this medicament produces poisoning to oranges and tangerines.
3, the composite field control effectiveness test to the apple tree Tetranychus urticae of Spiromesifen and propargite.
Adopt embodiment 3(35% Spiromesifen propargite suspending agent) for control apple tree Tetranychus urticae, investigation insect population radix before the dispenser, 7d, 14d, 30d investigate respectively residual mite number alive behind the medicine, 2 strains are looked in every residential quarter during investigation, every strain is looked into respectively 5 blades by 4 orientation, the four corners of the world, each residential quarter is looked into 40 blades altogether, and record mite number alive calculates control efficiency.The control efficiency computational methods are as follows.
Control efficiency (%)=(1-CK
1* Pt
1/ CK
2* Pt
2) * 100.
Wherein: CK
1Represent the front insect population number of check plot medicine, Pt
1Represent insect population number behind the treatment region medicine.
CK2 represents insect population number behind the medicine of check plot, and Pt2 represents insect population number before the treatment region medicine.
Table 3, the anti-apple tree Tetranychus urticae result of the test of 35% Spiromesifen propargite suspending agent.
35% Spiromesifen propargite suspending agent all will use 1000 times apparently higher than 1000 times of the Spiromesifen suspending agent single dose uses same period 24% and 73% propargite missible oil single dose to the preventive effect of apple tree Tetranychus urticae after using 2000～4000 times of 7d, 14d, 30d as can be seen from Table 3, illustrate that composite the use separately with two kinds of single doses of Spiromesifen and propargite compare, can improve apple tree Tetranychus urticae preventive effect, reduced simultaneously the dosage of active ingredient, have good lasting effect, and do not find that this medicament produces poisoning to apple tree.
In sum, it is the complex composition of Spiromesifen and propargite that the present invention adopts two kinds of active components, has synergistic function.Compare with existing unitary agent, miticidal effect obviously improves, and reduces dosage, and the lasting period is long, to crop safety, can slow down the drug-fast generation of harmful mite, is worth applying in agricultural production.
Claims (6)
1. a miticide composition that contains Spiromesifen and propargite is characterized in that active ingredient is Spiromesifen and propargite.
2. the miticide composition that contains Spiromesifen and propargite according to claim 1, it is characterized in that: Spiromesifen and the propargite weight ratio in composition is 30:1～1:40.
3. the miticide composition that contains Spiromesifen and propargite according to claim 1 and 2, it is characterized in that: Spiromesifen and the propargite gross weight percentage composition in composition is 1～80%.
4. each described miticide composition that contains Spiromesifen and propargite according to claim 1 and 2, it is characterized in that: also contain pesticidal preparations auxiliary element commonly used in the described miticide composition, in order to make the formulation products that is adapted at using in the agricultural production.
5. the miticide composition that contains Spiromesifen and propargite according to claim 4 is characterized in that: its formulation is a kind of in suspending agent, aqueous emulsion, microemulsion, wetting powder, the water dispersible granules.
6. the miticide composition that contains Spiromesifen and propargite according to claim 1 is characterized in that being applicable to prevent and treat the harmful mite on the crop.
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|---|---|---|---|
| CN2012105469685A CN103039448A (en) | 2012-12-17 | 2012-12-17 | Acaricidal composition containing spiromesifen and propargite |
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|---|---|---|---|
| CN2012105469685A CN103039448A (en) | 2012-12-17 | 2012-12-17 | Acaricidal composition containing spiromesifen and propargite |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262383A (en) * | 1991-07-16 | 1993-11-16 | Bayer Ag | 3-aryl-4-hydroxy- DELTA 3-dihydrofuranone and 3-aryl-4-hydroxy- DELTA 3-dihydrothiophenone derivatives and pesticidal use |
| CN101584318A (en) * | 2008-05-21 | 2009-11-25 | 山东京博控股发展有限公司 | Insect and acarid killer composition |
| CN102669157A (en) * | 2011-03-16 | 2012-09-19 | 联保作物科技有限公司 | Mite-killing composition and preparation thereof |
-
2012
- 2012-12-17 CN CN2012105469685A patent/CN103039448A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262383A (en) * | 1991-07-16 | 1993-11-16 | Bayer Ag | 3-aryl-4-hydroxy- DELTA 3-dihydrofuranone and 3-aryl-4-hydroxy- DELTA 3-dihydrothiophenone derivatives and pesticidal use |
| CN101584318A (en) * | 2008-05-21 | 2009-11-25 | 山东京博控股发展有限公司 | Insect and acarid killer composition |
| CN102669157A (en) * | 2011-03-16 | 2012-09-19 | 联保作物科技有限公司 | Mite-killing composition and preparation thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张明星等: "新型杀虫、杀螨剂螺甲螨酯", 《农药》, vol. 44, no. 12, 25 December 2005 (2005-12-25), pages 559 - 560 * |
| 王宁等: "杀螨剂的进展与展望", 《现代农药》, vol. 4, no. 02, 10 April 2005 (2005-04-10), pages 1 - 8 * |
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Application publication date: 20130417 |