CN103271081A - Etoxazole-triazophos pesticide composition - Google Patents
Etoxazole-triazophos pesticide composition Download PDFInfo
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- CN103271081A CN103271081A CN2013101229352A CN201310122935A CN103271081A CN 103271081 A CN103271081 A CN 103271081A CN 2013101229352 A CN2013101229352 A CN 2013101229352A CN 201310122935 A CN201310122935 A CN 201310122935A CN 103271081 A CN103271081 A CN 103271081A
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- Prior art keywords
- hostathion
- mite
- mite azoles
- composition
- etoxazole
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Abstract
The invention discloses an etoxazole-triazophos pesticide composition. The etoxazole-triazophos pesticide composition comprises active ingredients of etoxazole and triazophos, wherein a weight ratio of etoxazole to triazophos is in a range of 20: 1 to 1: 40. The etoxazole-triazophos pesticide composition enlarges an insecticidal spectrum, has effects of preventing and controlling a plurality of insects and pest mites on crops such as fruit trees, cotton, vegetables and paddy rice, has obvious synergism, reduces a pesticide use amount and environmental pollution, and alleviates pesticide resistance of insects and pest mites.
Description
Technical field
The present invention relates to agricultural insecticide, miticide composition and application thereof, is the composite binary complex of active ingredient with second mite azoles and Hostathion specifically, is applied to the control of insect on fruit tree, cotton, vegetables and the paddy rice, evil mite.
Background technology
Second mite azoles, english common name: etoxazole is a kind of brand-new miticide with special construction.Its mode of action is that the embryo who suppresses the mite ovum forms and the process of casting off a skin from young mite to the one-tenth mite, to ovum and if mite is effective, to becoming mite invalid.Therefore, the control time of its best is the evil mite harm initial stage.This medicament rain fastness is strong, and the lasting period reaches 50 days, and is environmentally safe.Tetranychid on the crops such as oranges and tangerines, cotton, apple, flowers, vegetables, begin tetranychid, Panonychus citri, Tetranychus urticae, Tetranychus cinnabarinus etc. had remarkable preventive effect.
Hostathion, english common name: triazophos is a kind of broad spectrum organic phosphorus desinsection, kills mite, nematocide, has strong tagging and stomach poison function, good disinsection effect, ovicidal action is obvious, and permeability is stronger, no systemic action.Be mainly used in preventing and treating fruit tree, cotton, the lepidoptera pest on the grain class crop, evil mite, fly larvae and soil insect etc.
The resistance problem of pest is a global problem, is the emphasis problem that the agricultural science and technology worker pays close attention to always.Along with the continuity year in year out of insect chemical control, increase and the non-science of agricultural chemicals usage amount are used agricultural chemicals, pest resistance is serious day by day, and the pest species that produces resistance is on the increase.Different pesticide species compositions carry out composite, are the common methods of the agriculture resistant insect of control, evil mite.
The inventor is on the basis of a large amount of indoor virulences and field medicine effect test, compounded formula screening to second mite azoles and Hostathion is furtherd investigate, find that second mite azoles and Hostathion carry out composite, in the certain proportion scope, has obvious role in synergism, after further study, finished the present invention.
Summary of the invention
The object of the present invention is to provide the compound synergic composition pesticide of a kind of second mite azoles and Hostathion, be applied to the control of two spotted spider mite, the cabbage caterpillar on the vegetables, the striped rice borer on the paddy rice and paddy stem borer on fruit tree and the cotton.
Technical scheme of the present invention: a kind of composition pesticide, be active ingredient with second mite azoles and Hostathion, the weight ratio of second mite azoles and Hostathion is 20:1～1:40, second mite azoles and the percentage by weight of Hostathion weight summation in composition pesticide are 5%～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 can be prepared into known method and be fit to any one formulation that agricultural goes up use, and reasonable formulation has suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder and missible oil.
The auxiliary element that uses in the present composition comprises that solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH conditioning 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 the various compositions of using or allow use in the pesticidal preparations always, concrete composition and consumption are determined by 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 effective control by using suitable dosage.
Compared with prior art, the invention has the advantages that.
1, second mite azoles and Triazoxide as built-up have enlarged insecticidal spectrum, have obvious role in synergism, use the control efficiency that has improved insect, evil mite separately than single agent.
2, second mite azoles and the Hostathion mechanism of action are different, can delay insect, the drug-fast generation of evil mite.
3, two kinds of active ingredients of second mite azoles and Hostathion are composite, reduced the agricultural chemicals usage amount, reduced use cost and the pollution that has alleviated 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 considered as limitation of the present invention.
(1) prescription and preparation processing embodiment.
Effective constituents A adopts the former medicine of 93% second mite azoles, active ingredient B to adopt the former medicine of 85% Hostathion in the embodiment of the invention.Each component percentage composition described in the example is weight percentage.
Embodiment 1:Described composition pesticide is suspending agent, and each component percentage composition is respectively:
Active ingredient (A+B) 5～80%,
Dispersant 5～20%,
Antifreezing agent 1～5%,
Thickener 0.1～2%,
Defoamer 0.1～2%,
PH value conditioning agent 0.1～5%,
Water surplus.
The concrete operations step is: earlier other auxiliary agent is mixed, shear-mixed is even in clipper, adds effective constituents A and active ingredient B then, grinds 2～3h in ball crusher, make a diameter all below 5mm, can make Pesticidal combination suspending agent preparation of the present invention.
Embodiment 2:Described composition pesticide is aqueous emulsion, and each component percentage composition is respectively:
Active ingredient (A+B) 5～80%,
Emulsifier 5～30%,
Solvent 5～15%,
Stabilizing agent 3～15%,
Antifreezing agent 2～5%,
Defoamer 0.2～5%,
Thickener 0.2～2%,
Water surplus.
The concrete operations step is: earlier effective constituents A and active ingredient B, solvent, emulsifier are in the same place, dissolving becomes uniform oil phase.Part water and other auxiliary agents are mixed, dissolving becomes uniform water again.When the reactor high speed stirs, oil phase is added water then, slowly add water to and reach the phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, can make Pesticidal combination aqueous emulsion preparation of the present invention.
Embodiment 3:Described composition pesticide is microemulsion, and each component percentage composition is respectively:
Active ingredient (A+B) 5～80%,
Emulsifier 10～30%,
Antifreezing agent 2～10%,
Stabilizing agent 2～10%,
Solvent 20～50%,
Water surplus.
The concrete operations step is: effective constituents A and active ingredient B are dissolved fully with solvent and cosolvent, and then add other auxiliary agent, mix, add water at last, after fully stirring, can make Pesticidal combination microemulsion formulation of the present invention.
Embodiment 4:Described composition pesticide is wetting powder, and each component percentage composition is respectively:
Active ingredient (A+B) 5～80%,
Dispersant 5～10%,
Wetting agent 2～5%,
The filler surplus.
The concrete operations step is: effective constituents A and active ingredient B, other auxiliary agent and filler are mixed, fully stir in stirred tank, mix after airslide disintegrating mill is pulverized, can make Pesticidal combination wettable powder agent formulation of the present invention.
Embodiment 5: described composition pesticide is water dispersible granules, and each component percentage composition is respectively:
Active ingredient (A+B) 5～80%,
Dispersant 5～10%,
Wetting agent 2～10%,
Disintegrant 1～5%,
The filler surplus.
The concrete operations step is: effective constituents A and active ingredient B, other auxiliary agent and filler are mixed, pulverize with micro jet, after after mediating, carrying out granulation, drying, screening in the adding fluidized bed prilling dryer, can make Pesticidal combination water-dispersible grain agent formulation of the present invention.
Embodiment 6:Described composition pesticide is missible oil, and each component percentage composition is respectively:
Active ingredient (A+B) 5～80%,
Emulsifier 10～30%,
Solvent 20～50%,
Synergist 1～3%.
The concrete operations step is: will effective constituents A and active ingredient B add fully dissolving behind the solvent, add the oily liquids that becomes transparent and homogeneous after stirring behind other auxiliary agent then, can make Pesticidal combination cream preparation of the present invention.
Auxiliary agent is selected from the following stated in the above formulation.
Solvent can be water, N, one or more in dinethylformamide, methyl alcohol, ethanol, ethylene glycol, propane diols, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide, vegetable oil, benzinum, the acetonitrile etc.
Emulsifier can be one or more in tri ethanol ammonium salt, alkylphenol polyoxyethylene formaldehyde condensation products, alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, diphenyl phenol polyethenoxy polyoxy formaldehyde condensation products, agricultural newborn 300#, agricultural newborn 500#, agricultural newborn 600#, Nongru-700 #, tween series, the AEO series etc.
Wetting agent can be one or more in sodium sulphate, sldium lauryl sulfate, lignosulfonates, alkylphenol polyoxyethylene phosphate, petroleum sodium sulfonate, alkylnaphthalene sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, spaonin powder, the withered powder of tea, the silkworm excrement etc.
Disintegrant can be one or more in sodium bicarbonate, magnesium chloride, aluminium chloride, sodium chloride, urea, ammonium sulfate, the bentonite etc.
Dispersant can be one or more in methylcellulose, polycarboxylate, sodium methylene bis-naphthalene sulfonate, sodium lignin sulfonate, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene, the fatty alcohol-polyoxyethylene ether etc.
Thickener can be one or more in polyvinyl alcohol, polyvinyl acetate, xanthans, gelatin, melon glue, aluminium-magnesium silicate, phenolic resins, CMC, sodium alginate, the gypsum etc.
The pH conditioning agent can be one or more in ammonium hydroxide, potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, the phosphoric acid etc.
During synergist can be organosilicon, thiophene ketone, azone, double to kill etc. one or more.
Stabilizing agent can be one or more in triphenyl phosphite BHT, triethanolamine, tributyl phosphate, xylitol, mannitol, pentaerythrite, the sodium citrate etc.
Defoamer can be one or more in silicone compound, epoxidized soybean oil, methyl alcohol, the silicone oil etc.
Antifreezing agent can be in glycerine, ethylene glycol, propane diols, sorbierite, the polyethylene glycol etc. one or more.
Carrier can be one or more in kaolin, diatomite, bentonite, white carbon, clay, talcum powder, quartz sand, the starch etc.
(2) the indoor biological activity determination of the present composition and field efficacy checking.
1, second mite azoles and Hostathion are to the indoor joint toxicity measuring of panonychus citri.
Test medicine adopts the 93% former medicine of second mite azoles and the former medicine of 85% Hostathion.
The examination worm be to gather panonychus citri through 3 generations of indoor feeding from the oranges and tangerines garden as if mite.
Test method employing leaf butterfly spray-on process (with reference to " NY/T 1154.13-2008 agricultural chemicals indoor bioassay test rule insecticide. the 13rd part: leaf butterfly spray-on process ").Concrete operation method is as follows:
Each single agent and Mixed Pharmacy are arranged 5 different concentration gradients (on preliminary experiment result's basis, panonychus citri is set if the mite lethality is pressed geometric progression in 5%～90% scope).
Choose the consistent oranges and tangerines blade of growth, make leaf butterfly with card punch, in culture dish, place a wet sponge piece, put filter paper on it, foliation butterfly on the filter paper, every ware is put 2 leaf butterflies, select healthy, individual panonychus citri of the same size if mite is inoculated on the leaf butterfly, 20 of every leaf butterfly inoculations.
The culture dish that is connected to leaf butterfly is placed under the potter spray tower, spray under 50PSI pressure, spray amount is 1ml, take out culture dish behind the sedimentation 1min, the culture dish that to handle is put into the cultivation of 12H/12H illumination box then, and 48h checks dead mite number, calculates lethality.4 repetitions are established in every processing, and establish the clear water blank and handle.
Carry out statistical analysis with the DPS statistical analysis software, calculate the LC of each medicament
50, estimate the acaricidal activity of each medicament.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 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.
As can be seen from Table 1, second mite azoles and Hostathion are 20
:1～1
:40(is by weight) scope in when composite, co-toxicity coefficient (CTC) is all greater than 120, to panonychus citri if mite shows obvious role in synergism, especially 1
:1～1
:20(is by weight) scope in composite, synergistic function is more obvious, co-toxicity coefficient (CTC) is all more than 180, visible second mite azoles and Triazoxide as built-up have reasonability and feasibility.
Table 1, second mite azoles and Hostathion are to the indoor joint toxicity measuring of panonychus citri as if mite.
2, second mite azoles and Triazoxide as built-up are to the field control effectiveness test of panonychus citri.
Investigation insect population radix before the dispenser, 3d, 7d, 14d, 30d investigate residual mite number alive respectively behind the medicine, and 2 strains are looked in every residential quarter during investigation, and every strain is looked into 5 blades respectively by 4 orientation, the four corners of the world, and 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-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 for the treatment of region medicine.
The result of the test of table 2,25% second mite azoles Hostathion suspending agent control panonychus citri.
25% second mite azoles Hostathion (5 as can be seen from Table 2
:20) suspending agent uses 2000～2500 times, preventive effect to panonychus citri behind 3d, 7d, 14d, the 30d all will be used 500 times apparently higher than 5000 times of the second mite azole suspending agent list agent uses same period 11% and 20% triazophos emulsifiable solution list agent, illustrating that second mite azoles and Triazoxide as built-up and two kinds of single agent are used to compare separately can improve the panonychus citri preventive effect, the 30d preventive effect still reaches more than 80% behind the medicine simultaneously, illustrate to have good lasting effect, duration of test does not find that this compound drug produces poisoning to oranges and tangerines.
3, second mite azoles and Triazoxide as built-up are to the field control effectiveness test of rice-stem borer.
Investigation insect population radix before the dispenser, 3d, 7d, 10d investigate residual borer population alive respectively behind the medicine, and parallel great-jump-forward random sampling 15 points are adopted in every residential quarter during investigation, and 2 clumps every, totally 30 clumps of paddy rice peel off paddy rice cane record borer population alive, calculate 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 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 for the treatment of region medicine.
Table 3,30% second mite azoles aqueous emulsion of triazophos control rice-stem borer result of the test.
30% second mite azoles Hostathion (5 as can be seen from Table 3
:25) aqueous emulsion uses 1000～1500 times, preventive effect to rice-stem borer behind 3d, 7d, the 10d all will be used 500 times apparently higher than 5000 times of the second mite azole suspending agent list agent uses same period 11% and 20% triazophos emulsifiable solution list agent, illustrating that second mite azoles and Triazoxide as built-up and two kinds of single agent are used separately compares the preventive effect that can improve rice-stem borer, the 10d preventive effect still reaches more than 80% behind the medicine simultaneously, illustrate to have good lasting effect, duration of test does not find that this compound drug produces poisoning to paddy rice.
In sum, it is the composition pesticide of second mite azoles and Triazoxide as built-up that the present invention adopts two kinds of active components, compare with existing unitary agent, not only has obvious synergistic effect, also have good desinsection, miticidal effect, the lasting period is long, to crops safety, can slow down insect, the drug-fast generation of evil mite, be worth applying in agricultural production.
Claims (6)
1. the composition pesticide of a second mite azoles and Hostathion, it is characterized in that: active ingredient is second mite azoles and Hostathion.
2. the composition pesticide of second mite azoles according to claim 1 and Hostathion, it is characterized in that: the weight ratio of second mite azoles and Hostathion is 20:1～1:40.
3. the composition pesticide of second mite azoles according to claim 1 and Hostathion, it is characterized in that: second mite azoles and the Hostathion gross weight percentage composition in composition is 5～80%.
4. the composition pesticide of second mite azoles according to claim 1 and Hostathion is characterized in that: also contain pesticidal preparations auxiliary element commonly used in the said composition, in order to make the formulation products that is adapted at using in the agricultural production.
5. the composition pesticide of second mite azoles according to claim 1 and Hostathion is characterized in that: the formulation of said composition can be a kind of in suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder and the missible oil.
6. the composition pesticide of second mite azoles according to claim 1 and Hostathion is characterized in that: be applicable to two spotted spider mite, the cabbage caterpillar on the vegetables, the striped rice borer on the paddy rice and paddy stem borer on control fruit tree and the cotton.
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106593A (en) * | 2014-06-12 | 2014-10-22 | 广东中迅农科股份有限公司 | Insecticide acaricidal composition containing xiaochongthion and etoxazole |
| CN104904743A (en) * | 2014-03-11 | 2015-09-16 | 江苏龙灯化学有限公司 | Insect disinfestation composition |
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|---|---|---|---|---|
| JPH07179308A (en) * | 1993-12-21 | 1995-07-18 | Yashima Chem Ind Co Ltd | Composite acaricide composition |
| CN1124568A (en) * | 1995-08-02 | 1996-06-19 | 化工部农药剂型工程技术中心 | High-effective oil suspended mixture for killing mites and pests |
| CN102228055A (en) * | 2011-05-06 | 2011-11-02 | 陕西韦尔奇作物保护有限公司 | Pesticide composite containing fenazaquin |
-
2013
- 2013-04-10 CN CN201310122935.2A patent/CN103271081B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07179308A (en) * | 1993-12-21 | 1995-07-18 | Yashima Chem Ind Co Ltd | Composite acaricide composition |
| CN1124568A (en) * | 1995-08-02 | 1996-06-19 | 化工部农药剂型工程技术中心 | High-effective oil suspended mixture for killing mites and pests |
| CN102228055A (en) * | 2011-05-06 | 2011-11-02 | 陕西韦尔奇作物保护有限公司 | Pesticide composite containing fenazaquin |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104904743A (en) * | 2014-03-11 | 2015-09-16 | 江苏龙灯化学有限公司 | Insect disinfestation composition |
| CN104904743B (en) * | 2014-03-11 | 2018-02-13 | 江苏龙灯化学有限公司 | Pesticidal combination |
| CN104106593A (en) * | 2014-06-12 | 2014-10-22 | 广东中迅农科股份有限公司 | Insecticide acaricidal composition containing xiaochongthion and etoxazole |
| CN104106593B (en) * | 2014-06-12 | 2016-05-18 | 广东中迅农科股份有限公司 | A kind of insecticide acaricide composition that contains sulfur-phosphor and second mite azoles |
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