CN101622998A - Pesticide composition with synergistic effect - Google Patents
Pesticide composition with synergistic effect Download PDFInfo
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- CN101622998A CN101622998A CN200910165901A CN200910165901A CN101622998A CN 101622998 A CN101622998 A CN 101622998A CN 200910165901 A CN200910165901 A CN 200910165901A CN 200910165901 A CN200910165901 A CN 200910165901A CN 101622998 A CN101622998 A CN 101622998A
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Abstract
The invention relates to a pesticide composition with a synergistic effect, in particular to a pesticide composition containing effective constituents of thiacloprid and pyridaben with a weight ratio of 80:1-1:80, and the accumulated weight percent of the effective constituents is 1-80 percent. When being actually applied, the composition is prepared into different application preparations being preferable to missible oil, wetting powder, microemulsion, emulsion in water and a suspending agent. The composition has synergistic effect and can reduce the usage amount of pesticides and delay the development of the drug resistance of pests. The composition can control agricultural pests and be particularly used for controlling lesser green leaf hoppers and aleurocanthus spiniferus.
Description
Technical field
The present invention relates to a kind of composition pesticide, specifically is the composition pesticide that a kind of active ingredient contains thiophene worm quinoline.
Background technology
Tea lesser leafhopper is the important pests of tealeaves, and in recent years, because people use agricultural chemicals for a long time unreasonably, the pesticide resistance of tea lesser leafhopper constantly strengthens, and the control efficiency of most existing medicaments is undesirable.Aleurocanthus spiniferus be generally take place, cause harm in the aleyrodid class serious a kind of, main harm citrus, tea tree etc.In recent years, some these worm wildnesses of area cause harm, and the gesture of rapid spread is arranged.
As tea lesser leafhopper and the frequent insect of these generations of Aleurocanthus spiniferus, under the long-term prescription condition, the pesticide resistance of insect increases gradually, and common pesticides uses the preventive effect to insect to descend gradually separately.Novel rational agriculture chemical compounding agent can obviously improve drug effect, and delays the pest resistance generation, is one of effective way of these insects of integrated control.
Thiophene worm quinoline (thiacloprid) is a kind of chloro nicotinic insecticide, acts on the insect nAChR.Be used to prevent and treat important pests on the agricultural such as aphid, leafhopper, aleyrodid, leaf miner etc.At present, its cost is than higher, and this medicine and Imidacloprid are similar, use separately to have the risk that produces resistance.
Pyridaben (pyridaben) claims fast mite spirit or pyridaben again, is a kind of common efficient, wide spectrum miticide.The whole growth phase to mite is all effective, and planting property of food such as tetranychid, Panonychus citri, goitre mite evil mite is all had obvious control efficiency, and aleyrodid, aphid, leafhopper and thrips insect are also had good preventive effect.
Summary of the invention
1. goal of the invention
The purpose of this invention is to provide a kind of composition pesticide that is difficult for developing immunity to drugs, can effectively prevent eliminating aphis, aleyrodid, leafhopper and thrips with synergistic effect.
2. technical scheme
In a large amount of processs of the test, the inventor has found a kind of composition pesticide with synergistic effect that contains thiophene worm quinoline.
A kind of synergetic pesticide composition is characterized in that with thiophene worm quinoline and pyridaben be active ingredient, and wherein the weight ratio of thiophene worm quinoline and pyridaben is 80: 1～1: 80.Thiophene worm quinoline and the pyridaben weight percentage in preparation is 1%～80%, and all the other are the pesticidal preparations auxiliary element.
The present composition can adopt prior art, according to crop, the environmental condition of living in of required control, prevent and treat all kinds of factors such as method, control cost, add solvent or carrier, excipients can be mixed with missible oil, wetting powder, microemulsion, aqueous emulsion, suspending agent.
The present composition can be used for preventing and treating the insect on the agricultural, especially is fit to control tea lesser leafhopper and Aleurocanthus spiniferus.
3. beneficial effect
Pesticidal combination of the present invention compared with prior art produces following beneficial effect:
(1) two kinds of active ingredients in the said composition have synergistic effect, compare with single agent, have obviously improved control efficiency;
(2) one medicines are controlled more, and a dispenser can prevent and treat various pests simultaneously, reduce control recruitment cost;
(3) can reduce the field dosage, effectively reduce environmental pollution and residue of pesticide, reduce harm beneficial organism;
(4) mechanism of action of both active ingredients is different in the composition, and the application of composition helps to delay pest resistance development, prolongs medicament service life.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
The embodiment of the invention further specifies the application and the beneficial effect of composition with following biologicall test, formulation preparation and test of pesticide effectiveness example, but does not constitute any limitation of the invention.
The used former medicine of 95% thiophene worm quinoline is that Jiangsu Zhongqi Chemical Industry Co., Ltd produces in the embodiments of the invention, and the former medicine of 95% pyridaben is that Jiangsu lark farmingization Co., Ltd produces.
Materials such as used emulsifier, solvent, stabilizing agent, antifreezing agent, dispersant, carrier all are compositions well-known to those skilled in the art in the embodiments of the invention, do not constitute any limitation of the invention.
Embodiment 1 thiophene worm quinoline, pyridaben and different proportioning are to the toxicity test of tea lesser leafhopper
Pick up from the tea lesser leafhopper adult in field, raised for two generations in the greenhouse after, select the growth uniformity 4 age nymph as for the examination worm.Adopt the blade infusion process, earlier reagent agent is carried out preliminary experiment, be diluted to 5 gradient concentrations by the multiple proportions relation on its basis, soaked fresh tea leaf in its 10 seconds, place preprepared in vitro tealeaves after the soup of the leaf surface of receiving guest with tea dries.Every processing repeats 3 times, get at every turn 20 three age the leafhopper nymph place 2.5cm * 20cm test tube, allow leafhopper get the invisible spectro tealeaves of food.If clear water blank.Connect the death condition of 24 hours " Invest, Then Investigate " tea lesser leafhoppers of worm.Utilize DPS data statistic analysis software to ask virulence regression equation and LC
50, joint toxicity measuring adopts abundant co-toxicity coefficient (CTC) method that waits the nineteen sixty proposition of Sun Yun.
The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100
The percentage composition of B in percentage composition+B medicament ATI * mixture of A in theoretical toxicity index (TTI)=A medicament ATI * mixture
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) * 100
When CTC≤80, then the composition performance is antagonism; When 80＜CTC＜120, then the composition performance is summation action; When CTC 〉=120, then the composition performance is synergistic effect.
Measurement result sees Table 1.
Table 1 thiophene worm quinoline, pyridaben and different proportioning are to the Toxicity Determination (48h) of tea lesser leafhopper
| Reagent agent | ??LC 50 | The actual measurement toxicity index | Theoretical toxicity index | Co-toxicity coefficient |
| ??(mg/L) | ??(ATI) | ??(TTI) | ??(CTC) | |
| Thiophene worm quinoline (T) | ??2.64 | ??100 | ??- | ??- |
| Pyridaben (P) | ??18.35 | ??14.39 | ??- | ??- |
| ??T∶P(80∶1) | ??2.19 | ??120.53 | ??98.89 | ??121.82 |
| ??T∶P(50∶1) | ??1.72 | ??153.54 | ??98.32 | ??156.14 |
| ??T∶P(20∶1) | ??1.36 | ??194.11 | ??95.91 | ??202.43 |
| ??T∶P(10∶1) | ??1.12 | ??235.73 | ??92.22 | ??255.63 |
| ??T∶P(5∶1) | ??0.92 | ??286.89 | ??85.74 | ??334.72 |
| ??T∶P(1∶1) | ??1.67 | ??158.12 | ??57.21 | ??276.41 |
| ??T∶P(1∶5) | ??3.74 | ??70.62 | ??28.73 | ??246.34 |
| ??T∶P(1∶10) | ??5.24 | ??50.41 | ??22.21 | ??227.31 |
| ??T∶P(1∶20) | ??7.12 | ??37.14 | ??18.54 | ??200.83 |
| ??T∶P(1∶50) | ??10.28 | ??25.72 | ??16.12 | ??159.92 |
| ??T∶P(1∶80) | ??13.61 | ??19.38 | ??15.42 | ??125.63 |
By table 1 as seen, thiophene worm quinoline and pyridaben are mixed in 80: 1～1: 80 ratio, and it all greater than 120, shows as synergistic effect to the co-toxicity coefficient of tea lesser leafhopper.Wherein, when thiophene worm quinoline and pyridaben were mixed in 20: 1～1: 20 ratio, co-toxicity coefficient obviously increased, and tea lesser leafhopper is shown as significant more synergistic effect.
Embodiment 2 thiophene worm quinolines, pyridaben and different proportioning are to the toxicity test of Aleurocanthus spiniferus
Aleurocanthus spiniferus picks up from Zhangping tea district, by my research institute of company laboratory cultures, for the examination worm be adult originate in behind the egg development on the fresh tea leaf in its 3 age nymph.On the basis of preliminary experiment, medicament is diluted to 6 concentration, clear water compares.Adopt the agar leaf dipping method of preserving moisture.Add agar solution with the plastic culture dish of diameter 40mm and make the agar culture dish of preserving moisture, and cover punching in order to ventilation at culture dish with insect needle; With card punch the fresh tea blade is beaten the disk of getting 38mm, soak 15s in reagent agent, taking-up is dried, and puts into the agar culture dish for preparing; Every ware inserts 30 Aleurocanthus spiniferus, and every processing repeats 4 times.48h checks record adult death toll under 20 times of anatomical lens, the flat person of nymph soma is dead.Calculate lethality.Adopt the DPS data handling system to carry out data and handle, and calculate the LC of medicament
50, with this foundation as each medicament activity of evaluation.The contrast lethality is invalid test greater than 10%.The co-toxicity statistics adopts abundant co-toxicity coefficient (CTC) method that waits the nineteen sixty proposition of Sun Yun, with embodiment 1.
Measurement result sees Table 2.
Table 2 thiophene worm quinoline, pyridaben and different proportioning are to the Toxicity Determination (48h) of Aleurocanthus spiniferus
| Reagent agent | ??LC 50??(mg/L) | Actual measurement toxicity index (ATI) | Theoretical toxicity index (TTI) | Co-toxicity coefficient (CTC) |
| Thiophene worm quinoline (T) | ??3.24 | ??100 | ??- | ??- |
| Pyridaben (P) | ??27.76 | ??11.72 | ??- | ??- |
| ??T∶P(80∶1) | ??2.68 | ??120.91 | ??98.92 | ??122.24 |
| ??T∶P(50∶1) | ??1.94 | ??166.92 | ??98.31 | ??169.87 |
| ??T∶P(20∶1) | ??1.62 | ??199.89 | ??95.84 | ??208.78 |
| ??T∶P(10∶1) | ??1.49 | ??217.43 | ??92.02 | ??236.41 |
| ??T∶P(5∶1) | ??1.24 | ??261.32 | ??85.32 | ??306.42 |
| ??T∶P(1∶1) | ??2.16 | ??149.92 | ??55.84 | ??268.63 |
| ??T∶P(1∶5) | ??4.97 | ??65.23 | ??26.43 | ??247.04 |
| ??T∶P(1∶10) | ??6.89 | ??47.04 | ??19.72 | ??238.71 |
| ??T∶P(1∶20) | ??9.79 | ??33.12 | ??15.92 | ??208.42 |
| ??T∶P(1∶50) | ??13.47 | ??24.14 | ??13.42 | ??179.54 |
| ??T∶P(1∶80) | ??20.54 | ??15.78 | ??12.82 | ??123.61 |
By table 2 as seen, thiophene worm quinoline and pyridaben are mixed in 80: 1～1: 80 ratio, its co-toxicity coefficient to Aleurocanthus spiniferus is respectively 122.24,169.87,208.78,236.41,306.42,268.63,247.04,238.42,208.42,179.54,123.61, all shows as synergistic effect.Wherein, when thiophene worm quinoline and pyridaben were mixed in 20: 1～1: 20 ratio, co-toxicity coefficient obviously increased, and Aleurocanthus spiniferus is shown as significant more synergistic effect.
The compound method of embodiment 3 21% thiophene worm quinoline pyridaben missible oil
Former medicine 21.05 grams of 95% thiophene worm quinoline
Former medicine 1.05 grams of 95% pyridaben
Neopelex (emulsifier) 8.2 grams
Multiple phenol polyethenoxy ether (emulsifier) 2.4 grams of benzyl
Toluene (solvent) complements to 100 grams
By the prescription requirement, earlier thiophene worm quinoline, pyridaben are mixed stirring in modulation kettle with solvent, after treating to dissolve fully, again remaining solvent and emulsifier are added lentamente, obtain the oil phase of homogeneous after fully stirring, promptly make 100 grams, 21% thiophene worm quinoline pyridaben missible oil (weight ratio of thiophene worm quinoline and pyridaben is 20: 1).
The compound method of embodiment 4 11% thiophene worm quinoline pyridaben micro-emulsions and and medicament field trial
Thiophene worm quinoline 10.53 grams
Pyridaben 1.05 grams
Styryl phenol APEO 12.2 grams
Neopelex 3.5 grams
Cyclohexanone (cosolvent) 2.3 grams
Dimethylbenzene (solvent) 10.5 grams
Deionized water complements to 100 grams
By the prescription requirement, thiophene worm quinoline, pyridaben, cosolvent, solvent, dispersant, emulsifier stirring and dissolving are made oil phase, under continuous stirring action, oil phase and water are mixed, stir 15-30min, get transparency liquid.Promptly get 11% thiophene worm quinoline pyridaben micro-emulsion (weight ratio of thiophene worm quinoline and pyridaben is 10: 1) after qualified by analysis.
This embodiment preparation is used to prevent and treat the tea place Aleurocanthus spiniferus.The control of employing spray-on process.2 ages of Aleurocanthus spiniferus in garden during dispenser, 3 age nymph more, in the same tea place on the tea tree pink tea rust mite, tealeaves goitre mite take place serious.5 processing are established in test altogether, and each is handled 4 times and repeats.Investigation insect population radix before and after dispenser was respectively investigated insect pest situation 1 time in 1,3 and 7 day behind the medicine, calculated control efficiency, and is as shown in table 3.
Table 3 thiophene worm quinoline, pyridaben and mixture thereof are to the field control effect of Aleurocanthus spiniferus
Annotate: (g a.i./ha) represents the gram number of the pesticide active ingredient of the used pesticidal preparations of per hectare in presents, repeat no more.
As shown in Table 3, after thiophene worm quinoline and pyridaben were composite, the more single agent of complex preparation was used separately, and dosage reduces, and the control efficiency of Aleurocanthus spiniferus is had significantly improve.
Find also in the test that the present embodiment preparation also has good control efficiency to pink tea rust mite, tealeaves goitre mite, after 7 days, its preventive effect is respectively 82.47%, 78.61%, and the agent of thiophene worm quinoline list is invalid.
The compound method and the medicament field trial of embodiment 5 30% thiophene worm quinoline Damanling suspension agents
Former medicine 26.32 grams of 95% thiophene worm quinoline
Former medicine 5.26 grams of 95 pyridabens
Neopelex (wetting agent) 1.2 grams
Calcium lignosulfonate (dispersant) 2.3 grams
Methylcellulose (tackifier) 2.1 grams
Ethylene glycol (antifreezing agent) 1.1 grams
Deionized water (solvent) complements to 100 grams
By the prescription requirement, the amount of above each component by prescription mixed, after grinding and/or high speed shear, obtain 100 grams, 30% thiophene worm quinoline Damanling suspension agent (weight ratio of thiophene worm quinoline and pyridaben is 5: 1).
This embodiment preparation is used to prevent and treat the tea place tea lesser leafhopper.The control of employing spray-on process.3 ages of tea lesser leafhopper in garden during dispenser, 4 age nymph more.5 processing are established in test altogether, and each is handled 4 times and repeats.Investigation insect population radix before and after dispenser was respectively investigated insect pest situation 1 time in 1,3 and 7 day behind the medicine, calculated control efficiency, and is as shown in table 4.
Table 4 thiophene worm quinoline, pyridaben and mixture thereof are to the field control effect of tea lesser leafhopper
As shown in Table 4, after thiophene worm quinoline and pyridaben were composite, the more single agent of complex preparation was used separately, and dosage reduces, and the control efficiency of tea lesser leafhopper is had significantly improve.
The compound method of embodiment 6 10% thiophene worm quinoline pyridaben aqueous emulsions
Former medicine 5.26 grams of 95% thiophene worm quinoline
Former medicine 5.26 grams of 95% pyridaben
Calcium dodecyl benzene sulfonate (emulsifier) 2.1 grams
Phenethyl phenol polyethenoxy ether (emulsifier) 1.5 grams
Cyclohexanone (solvent) 10.1 grams
Toluene (solvent) 10.2 grams
Xanthans (thickener) 0.5 gram
Deionized water (solvent) complements to 100 grams
By the prescription requirement, mixing stirring and dissolving such as thiophene worm quinoline, pyridaben, solvent, emulsifier are made oil phase, under continuous stirring action, antifreezing agent, water, thickener are fully stirred into water, directly add water in the oil phase, stir about 30min gets shallow emulsion liquid, promptly gets 100 grams, 10% thiophene worm quinoline pyridaben aqueous emulsion (weight ratio of thiophene worm quinoline and pyridaben is 1: 1) after sample analysis is qualified.
The compound method and the medicament field trial of embodiment 7 30% thiophene worm quinoline pyridaben wetting powders
Former medicine 5.26 grams of 95% thiophene worm quinoline
Former medicine 26.32 grams of 95% pyridaben
Calcium lignosulfonate (dispersant) 10.2 grams
Lauryl sodium sulfate (wetting agent) 3.1 grams
Potter's clay (carrier) complements to 100 grams
Take by weighing various compositions such as thiophene worm quinoline, pyridaben by weight, through drying, the cooling of filler; Being mixed of filler, former medicine, auxiliary agent, levigate, mix; The operations such as packing of wetting powder product promptly make 100 grams, 30% thiophene worm quinoline pyridaben wetting powder (weight ratio of thiophene worm quinoline and pyridaben is 1: 5).
This embodiment preparation is used to prevent and treat the tea place tea lesser leafhopper.The control of employing spray-on process.3 ages of tea lesser leafhopper in garden during dispenser, 4 age nymph more, in the same tea place on the tea tree pink tea rust mite, tealeaves goitre mite take place also heavier.Fine.5 processing are established in test altogether, and each is handled 4 times and repeats.Investigation insect population radix before and after dispenser was respectively investigated insect pest situation 1 time in 1,3 and 7 day behind the medicine, calculated control efficiency, and is as shown in table 5.
Table 5 thiophene worm quinoline, pyridaben and mixture thereof are to the field control effect of tea lesser leafhopper
As shown in Table 5, after thiophene worm quinoline and pyridaben were composite, the more single agent of complex preparation was used separately, and dosage reduces, and the control efficiency of tea lesser leafhopper is had greatly improve.
Find also in the test that the present embodiment preparation also has good control efficiency to pink tea rust mite, tealeaves goitre mite, after 7 days, its preventive effect is respectively 69.37%, 72.54%, and the agent of thiophene worm quinoline list is invalid.
Claims (6)
1. composition pesticide is characterized in that said composition active ingredient is made up of thiophene worm quinoline and pyridaben, and wherein the part by weight of thiophene worm quinoline and pyridaben is 80: 1～1: 80.
2. composition pesticide according to claim 1, the part by weight that it is characterized in that thiophene worm quinoline and pyridaben is 20: 1～1: 20.
3. claim 1 or 2 described composition pesticides are made different application forms when it is characterized in that practical application, comprise missible oil, wetting powder, microemulsion, aqueous emulsion, suspending agent.
4. composition pesticide according to claim 3 is characterized in that the weight percentage of active ingredient in preparation is 1%～80%.
5. composition pesticide according to claim 1 and 2 is characterized in that being used to prevent and treat pest.
6. pest according to claim 5 are tea lesser leafhopper and Aleurocanthus spiniferus.
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| CN101622998B CN101622998B (en) | 2012-08-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103250726A (en) * | 2012-02-16 | 2013-08-21 | 深圳诺普信农化股份有限公司 | Indoxacarb-containing insect disinfestation composition |
| CN103734166A (en) * | 2013-12-28 | 2014-04-23 | 上海艳紫化工科技有限公司 | Compound pesticide suspending agent |
| CN107439540A (en) * | 2017-08-07 | 2017-12-08 | 惠州市银农科技股份有限公司 | A kind of thiacloprid aqueous suspension agent and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0717621B2 (en) * | 1986-03-07 | 1995-03-01 | 日本バイエルアグロケム株式会社 | New heterocyclic compound |
| CN1184589A (en) * | 1997-12-10 | 1998-06-17 | 王金良 | Composite- |
-
2009
- 2009-08-12 CN CN2009101659015A patent/CN101622998B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103250726A (en) * | 2012-02-16 | 2013-08-21 | 深圳诺普信农化股份有限公司 | Indoxacarb-containing insect disinfestation composition |
| CN103250726B (en) * | 2012-02-16 | 2014-06-18 | 深圳诺普信农化股份有限公司 | Indoxacarb-containing insect disinfestation composition |
| CN103734166A (en) * | 2013-12-28 | 2014-04-23 | 上海艳紫化工科技有限公司 | Compound pesticide suspending agent |
| CN103734166B (en) * | 2013-12-28 | 2015-09-16 | 上海艳紫化工科技有限公司 | Agriculture chemical compounding suspending agent |
| CN107439540A (en) * | 2017-08-07 | 2017-12-08 | 惠州市银农科技股份有限公司 | A kind of thiacloprid aqueous suspension agent and preparation method thereof |
| CN107439540B (en) * | 2017-08-07 | 2018-04-17 | 惠州市银农科技股份有限公司 | A kind of thiacloprid aqueous suspension agent and preparation method thereof |
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