CN101617688A - Pesticide composition containing thiacloprid - Google Patents
Pesticide composition containing thiacloprid Download PDFInfo
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- CN101617688A CN101617688A CN200910166100A CN200910166100A CN101617688A CN 101617688 A CN101617688 A CN 101617688A CN 200910166100 A CN200910166100 A CN 200910166100A CN 200910166100 A CN200910166100 A CN 200910166100A CN 101617688 A CN101617688 A CN 101617688A
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- avermectin
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- worm quinoline
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Abstract
The invention relates to a pesticide composition. Effective components of thecomposition include thiacloprid and abamectin, wherein the content of the thiacloprid is 0.5-80 percent by weight, the content of the abamectin is 0.5-20 percent by weight, the total content of the thiacloprid and the abamectin is 1-90 percent by weight, and the weight ratio of the thiacloprid and the abamectin is 160:1-1:40. The pesticide composition can generate synergistic function, achieve a remarkable effect in resisting pests, and simultaneously reduce the use amount and delay the resistance development of the pests. The composition can be used for preventing and killing resistant pests on crops, in particular for preventing and killing high-resistance rice planthopper, pear psylla and aphid.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, specifically is the Pesticidal combination that a kind of active ingredient contains thiophene worm quinoline, is applied to prevent and treat the resistant insect on the crops.
Background technology
In agricultural production, chemical control is a kind of important means of control diseases and pests of agronomic crop.In the chemical control process, because people use chemical pesticide for a long time unreasonably, the pesticide resistance of insect and germ constantly rises, and has brought greatly difficulty to preventing and controlling.
Brown planthopper, pear sucker are respectively two kinds of important pests on paddy rice and the pear tree.In recent years, the development of drug resistance of two kinds of insects is rapid, so that many effective insecticidal agent have weakened preventive and therapeutic effect in succession.As the Imidacloprid medicament, Shen Jin very measures, Jiangpu, Nanjing, Nanning and changde, hunan three ground brown planthoppers reach 475,183,179 times respectively to the Imidacloprid resistance, reach high anti---high anti-level, brought very big difficulty to preventing and controlling, pressed for exploitation two kinds of resistant insects medicament efficiently.
Thiophene worm quinoline (thiacloprid) belongs to the chloro nicotinic insecticide, acts on the insect nAChR.Insecticidal activity with wide spectrum has good preventive effect to aphid, aleyrodid, plant hopper, beetle, leaf miner etc.At present, its use cost is than higher.On using, crops such as paddy rice, pears are subjected to certain restriction.And this medicine and Imidacloprid are similar, and use also has the risk that produces resistance separately.
The farm chemical ingredients of different mechanism of action carries out composite, is the very common way of control resistant insect.Have only the good prescription of compound synergic, obviously improve actual control efficiency, could reduce the usage amount of agricultural chemicals, reduce the use cost of agricultural chemicals.Administer theory according to pest resistance to insecticide, the composition that mechanism of action is different is undertaken composite by proper proportion, can delay the development of pest resistance to insecticide.
Summary of the invention
The purpose of this invention is to provide a kind of Pesticidal combination, it is obvious that said composition has synergy, and the antagonism insect is particularly efficient, and be difficult for producing resistance.
Technical scheme of the present invention is as follows:
Adopt the insecticide of the different mechanisms of action to carry out the biological activity determination of different proportionings, three kinds of different situations appear in the determination of activity of different proportionings usually: summation action, antagonism, synergistic effect.The composition that will have synergistic effect is mixed with suitable preparation, is used to prevent and treat the insect on the crops, can effectively reduce the usage amount of medicament, reduces drug cost, the generation of delaying drug resistance, thus minimizing is to the pollution of environment.
In a large amount of tests, be surprised to find that thiophene worm quinoline and Avermectin carry out compounded combination, said composition has synergistic function, the antagonism pest efficient, especially antagonism rice fulgorid, pear sucker, aphid are efficient.
The present invention is a kind of Pesticidal combination that contains thiophene worm quinoline, feature is that its active ingredient is thiophene worm quinoline and Avermectin, the weight percentage of thiophene worm quinoline is 0.5%～80%, the weight percentage of Avermectin is 0.5%～20%, the active ingredient total content is 1%--90%, and the percentage by weight of thiophene worm quinoline and Avermectin is 160: 1～1: 40.
The present composition can be mixed with missible oil, microemulsion, aqueous emulsion, wetting powder, suspending agent.Can be used for preventing and treating the resistant insect on the agricultural, especially be fit to control rice fulgorid, pear sucker and aphid.
As a kind of improvement of the present invention, the weight ratio of thiophene worm quinoline and Avermectin is preferably 40: 1～and 1: 5.
Measure through indoor synergism test and to show thiophene worm quinoline and abamectin compoundedly to have significant synergistic insecticidal action in certain scope; Field control effectiveness test shows that equally also present composition complex preparation all is significantly higher than corresponding single agent to the control efficiency of insect and uses separately.
Pesticidal combination of the present invention compared with prior art, its advantage and good effect are as follows:
(1) two of composition kinds of active ingredients have synergistic effect, compare with single agent, and preventive effect is significantly improved;
(2) compare with the agent of thiophene worm quinoline list, the present composition has enlarged the control spectrum;
(3) the machine-processed different active ingredient of two kinds of insecticidal actions is composite, can delay the development of the resistance of insect;
(4) this Pesticidal combination can reduce the field dosage, effectively reduces environmental pollution and residue of pesticide.
Embodiment
The invention will be further described below in conjunction with embodiment, but the present invention is not limited to these embodiment.
The used former medicine of 95% thiophene worm quinoline is that Jiangsu Zhongqi Chemical Industry Co., Ltd produces among the embodiment, and the former medicine of 92% Avermectin is that Hebei Weiyuan Biochemical Co., Ltd. produces.
Used auxiliary agent, solvent or carrier are composition well-known to those skilled in the art in the formulation preparation of the embodiment of the invention, but do not constitute any limitation of the invention.
Embodiment 1 thiophene worm quinoline, Avermectin and different proportioning are to the toxicity test of brown planthopper
Test is adopted rice stem infusion process 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/T1154.11-2008 of the People's Republic of China (PRC) ".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 for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Measurement result sees Table 1.
Table 1 thiophene worm quinoline, Avermectin and different proportioning are to the Toxicity Determination (96h) of brown planthopper
| Reagent agent | ??LC 50??(mg/L) | Actual measurement toxicity index (ATI) | Theoretical toxicity index (TTI) | Co-toxicity coefficient (CTC) |
| Thiophene worm quinoline (T) | ??1.47 | ??100 | ??- | ??- |
| Avermectin (A) | ??3.24 | ??45.37 | ??- | ??- |
| ??T∶A(160∶1) | ??1.22 | ??120.51 | ??99.72 | ??120.91 |
| ??T∶A(120∶1) | ??1.03 | ??142.74 | ??99.54 | ??143.43 |
| ??T∶A(80∶1) | ??0.87 | ??169.02 | ??99.32 | ??170.14 |
| ??T∶A(40∶1) | ??0.74 | ??198.63 | ??98.71 | ??201.32 |
| ??T∶A(20∶1) | ??0.58 | ??253.42 | ??97.44 | ??260.21 |
| ??T∶A(10∶1) | ??0.49 | ??299.94 | ??95.02 | ??315.74 |
| ??T∶A(5∶1) | ??0.56 | ??262.53 | ??90.93 | ??288.82 |
| ??T∶A(1∶1) | ??0.79 | ??186.14 | ??72.72 | ??256.04 |
| ??T∶A(1∶5) | ??1.32 | ??111.41 | ??54.54 | ??204.43 |
| ??T∶A(1∶10) | ??1.68 | ??87.52 | ??50.31 | ??173.82 |
| ??T∶A(1∶20) | ??1.96 | ??74.89 | ??47.96 | ??156.31 |
| ??T∶A(1∶40) | ??2.49 | ??58.92 | ??46.74 | ??126.44 |
By table 1 as seen, thiophene worm quinoline and Avermectin are mixed in 160: 1～1: 40 ratio, and it all greater than 120, shows as synergistic effect to the co-toxicity coefficient of brown planthopper.Wherein, when thiophene worm quinoline and Avermectin were mixed in 40: 1～1: 5 ratio, its co-toxicity coefficient showed as significant more synergistic effect all greater than 200 to brown planthopper.
Embodiment 2 thiophene worm quinolines, Avermectin and different proportioning are to the toxicity test of pear sucker
Test is with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".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 pears leaf 10 seconds, place preprepared in vitro on the pears leaf after the soup for the treatment of the pears leaf surface dries.Every processing repeats 3 times, get at every turn 40 three age the pear sucker nymph place 2.5cm * 20cm test tube, allow pear sucker get the invisible spectro pears leaf of food.If clear water blank.Connect 24 hours " Invest, Then Investigate " pear suckers of worm death condition.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 computational methods of co-toxicity coefficient are seen embodiment 1.
Test result sees Table 2.
Table 2 thiophene worm quinoline, Avermectin and different proportioning are to the Toxicity Determination (24h) of pear sucker
| Reagent agent | ??LC 50??(mg/L) | Actual measurement toxicity index (ATI) | Theoretical toxicity index (TTI) | Co-toxicity coefficient (CTC) |
| Thiophene worm quinoline (T) | ??2.69 | ??100 | ??- | ??- |
| Avermectin (A) | ??1.74 | ??154.62 | ??- | ??- |
| ??T∶A(160∶1) | ??2.21 | ??121.71 | ??100.31 | ??121.34 |
| ??T∶A(120∶1) | ??1.79 | ??150.34 | ??100.52 | ??149.63 |
| ??T∶A(80∶1) | ??1.46 | ??184.23 | ??100.74 | ??182.91 |
| ??T∶A(40∶1) | ??1.32 | ??203.82 | ??101.32 | ??201.14 |
| ??T∶A(20∶1) | ??0.99 | ??271.74 | ??102.61 | ??264.82 |
| ??T∶A(10∶1) | ??0.79 | ??340.51 | ??104.96 | ??324.42 |
| ??T∶A(5∶1) | ??0.84 | ??320.23 | ??109.11 | ??293.54 |
| ??T∶A(1∶1) | ??0.89 | ??302.24 | ??127.34 | ??237.42 |
| ??T∶A(1∶5) | ??0.92 | ??292.42 | ??145.53 | ??201.02 |
| ??T∶A(1∶10) | ??1.17 | ??229.91 | ??149.62 | ??153.74 |
| ??T∶A(1∶20) | ??1.28 | ??210.23 | ??152.04 | ??138.32 |
| ??T∶A(1∶40) | ??1.46 | ??184.22 | ??153.31 | ??120.21 |
By table 2 as seen, thiophene worm quinoline and Avermectin are mixed in 160: 1～1: 40 ratio, and it all greater than 120, shows as synergistic effect to the co-toxicity coefficient of pear sucker.Wherein, when thiophene worm quinoline and Avermectin were mixed in 40: 1～1: 5 ratio, its co-toxicity coefficient showed as significant more synergistic effect all greater than 200 to pear sucker.
Embodiment 3:80.5% thiophene worm quinoline. the compound method of Avermectin wetting powder
Former medicine 84.21 grams of 95% thiophene worm quinoline
The former medicine 0.54 of 92% Avermectin
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, Avermectin 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, 80.5% thiophene worm quinoline. Avermectin wetting powder (weight ratio of thiophene worm quinoline and Avermectin is 160: 1).
Embodiment 4:41% thiophene worm quinoline. the compound method of abamectin emulsifiable concentrate and medicament field trial
Former medicine 42.11 grams of 95% thiophene worm quinoline
Former medicine 1.09 grams of 92% Avermectin
Neopelex (emulsifier) 7.2 grams
Multiple phenol polyethenoxy ether (emulsifier) 2.4 grams of benzyl
Methyl-sulfoxide (solvent) 10 grams
Toluene (solvent) complements to 100 grams
By the prescription requirement, thiophene worm quinoline, Avermectin, emulsifier, partial solvent are mixed stirring in modulation kettle, after treating to dissolve fully, again remaining solvent is added lentamente, fully stir, after sample examination is qualified, promptly make 100 grams, 41% thiophene worm quinoline. abamectin emulsifiable concentrate (weight ratio of thiophene worm quinoline and Avermectin is 40: 1).
This embodiment preparation is used to prevent and treat paddy field brown planthopper (Imidacloprid has been produced high-level resistance).The control of employing spray-on process.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 1,7 and 14 day behind the medicine, and the residual borer population of investigation insect population cardinal sum calculates control efficiency.Control efficiency is shown in Table 3.
Table 3 thiophene worm quinoline, Avermectin and mixture thereof are to the field control effect of brown planthopper
Annotate: g a.i./ha represents the gram number of the used pesticide active ingredient of per hectare in present specification, repeat no more.
As shown in Table 3, thiophene worm quinoline and abamectin compounded after, it is higher than thiophene worm quinoline activity that complex preparation uses, the agricultural chemicals usage amount reduces, and has reduced drug cost; Composite dose of use is long than the Avermectin lasting period, thereby reduces spraying times, receives remarkable economic efficiency and social benefit.
The compound method of embodiment 5:21% thiophene worm quinoline Avermectin suspending agent
Former medicine 21.05 grams of 95% thiophene worm quinoline
Former medicine 1.09 grams of 92% Avermectin
Neopelex (wetting agent) 1.1 grams
Calcium lignosulfonate (dispersant) 2.3 grams
Methylcellulose (tackifier) 2.2 grams
Bentonite (stabilizing agent) 3.1 grams
Ethylene glycol (antifreezing agent) 1.1 grams
Deionized water (solvent) complements to 100 grams
According to the prescription requirement, above component is mixed, after grinding and/or high speed shear, obtain 100 grams, 21% thiophene worm quinoline Avermectin suspending agent (weight ratio of thiophene worm quinoline and Avermectin is 20: 1).
The compound method and the medicament field trial of embodiment 6:11% thiophene worm quinoline abamectin aqueous emulsion
Former medicine 10.53 grams of 95% thiophene worm quinoline
Former medicine 1.09 grams of 92% Avermectin
Calcium dodecyl benzene sulfonate (emulsifier) 2.2 grams
The newborn 1601# of farming (emulsifier) 3.1 grams
Toluene (solvent) 10.4 grams
Ethylene glycol (antifreezing agent) 1.1 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, Avermectin, solvent, emulsifier are made oil phase, antifreezing agent, water and thickener are mixed into water, under high-speed stirred, water is added in the oil phase, stir about 30min gets emulsion liquid, promptly gets 100 grams, 11% thiophene worm quinoline after sample analysis is qualified. abamectin aqueous emulsion (weight ratio of thiophene worm quinoline and Avermectin is 10: 1).
This embodiment preparation is used to prevent and treat a variety of Chinese cabbage ground radish aphid (is medium to pyrethroid insecticides such as cypermethrin resistance).The insect population radix is investigated in reason district and clear water check plot before the dispenser throughout, adopts the spray-on process control, investigates remaining borer population alive respectively in 1 day, 7 days, 14 days after the dispenser, calculates control efficiency.It is as shown in table 4 to prevent and treat the result.
Table 4 thiophene worm quinoline, Avermectin and mixture thereof are to the field control effect of radish aphid
As shown in Table 4, thiophene worm quinoline and abamectin compounded after, it is higher than thiophene worm quinoline activity that complex preparation uses, the agricultural chemicals usage amount reduces, reduce medication this; Control efficiency to radish aphid has raising significantly.Composite dose of use is long than the Avermectin lasting period, thereby reduces spraying times, receives remarkable economic efficiency and social benefit.Find also that in test composite dose also has positive effect to phyllotreta striolata, and the single agent of Avermectin is invalid.
Embodiment 7:10% thiophene worm quinoline. the compound method of avermectin micro-emulsion and medicament field trial
Former medicine 5.26 grams of 95% thiophene worm quinoline
Former medicine 5.43 grams of 92% Avermectin
Calcium dodecyl benzene sulfonate (emulsifier) 5.1 grams
The newborn 1601# of farming (emulsifier) 5.1 grams
Toluene (cosolvent) 10.0 grams
Cyclohexanone (cosolvent) 2.3 grams
Deionized water complements to 100 grams
By the requirement of filling a prescription, thiophene worm quinoline, Avermectin, cosolvent, emulsifier stirring and dissolving are made oil phase, under constantly stirring, oil phase and water are mixed, stir 15-30min, get transparency liquid.Each index promptly gets 100 grams, 10% thiophene worm quinoline after qualified by analysis. avermectin micro-emulsion (weight ratio of thiophene worm quinoline and Avermectin is 1: 1).
This embodiment preparation is used to prevent and treat spot, theatre pear sucker.The control of employing spray-on process.Reason district and clear water check plot were throughout respectively investigated insect pest situation 1 time, the residual borer population of investigation insect population cardinal sum, calculating control efficiency in 1,7 and 14 day before the medicine and behind the medicine.Control efficiency is shown in Table 5.
Table 5 thiophene worm quinoline, Avermectin and mixture thereof are to the field control effect of pear sucker
As shown in Table 5, thiophene worm quinoline and abamectin compounded after, it is higher than thiophene worm quinoline activity that complex preparation uses, the control efficiency of pear sucker had to improve composite dose of use significantly long than the Avermectin lasting period, thereby the minimizing spraying times, the agricultural chemicals usage amount reduces, thereby reduces environmental pollution.
Embodiment 8:6% thiophene worm quinoline. the compound method of avermectin micro-emulsion and medicament field trial
Former medicine 1.09 grams of 95% thiophene worm quinoline
Former medicine 5.43 grams of 92% Avermectin
Calcium dodecyl benzene sulfonate (emulsifier) 5.1 grams
The newborn 1601# of farming (emulsifier) 5.1 grams
Toluene (cosolvent) 10.0 grams
Cyclohexanone (cosolvent) 2.3 grams
Deionized water complements to 100 grams
By the prescription requirement, thiophene worm quinoline, Avermectin, cosolvent, emulsifier stirring and dissolving are made oil phase, under constantly stirring, oil phase is mixed with water, stir 15-30min, get transparency liquid.Each index promptly gets 100 grams, 6% thiophene worm quinoline after qualified by analysis. avermectin micro-emulsion (weight ratio of thiophene worm quinoline and Avermectin is 1: 5).
This embodiment preparation is used to prevent and treat the paddy field small brown rice planthopper.The control of employing spray-on process.Reason district and clear water check plot were throughout respectively investigated insect pest situation 1 time, the residual borer population of investigation insect population cardinal sum, calculating control efficiency in 1,7 and 14 day before the medicine and behind the medicine.Control efficiency is shown in Table 6.
Table 6 thiophene worm quinoline, Avermectin and mixture thereof are to the field control effect of small brown rice planthopper
As shown in Table 6, thiophene worm quinoline and abamectin compounded after, it is higher than thiophene worm quinoline activity that complex preparation uses, the control efficiency of small brown rice planthopper had to improve composite dose of use significantly long than the Avermectin lasting period, thereby the minimizing spraying times, the agricultural chemicals usage amount reduces, thereby reduces environmental pollution.
Claims (6)
1. Pesticidal combination is characterized in that active ingredient is made up of thiophene worm quinoline and Avermectin, and wherein the weight ratio of thiophene worm quinoline and Avermectin is 160: 1～1: 40.
2. Pesticidal combination according to claim 1 is characterized in that: the weight ratio of thiophene worm quinoline and Avermectin is 40: 1～1: 5.
3. Pesticidal combination according to claim 1 and 2 is characterized in that the active ingredient weight percentage is 1%～90%.
4. Pesticidal combination according to claim 1 is characterized in that: said composition is processed into missible oil, microemulsion, aqueous emulsion, wetting powder, suspending agent.
5. Pesticidal combination according to claim 1 and 2 is characterized in that: this Pesticidal combination can be used for preventing and treating the resistant insect on the crop.
6. according to claim 5, described Pesticidal combination is used to prevent and treat high resistance rice planthopper, pear sucker and aphid.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057937A (en) * | 2011-01-21 | 2011-05-18 | 赤峰市帅旗农药有限责任公司 | Insecticidal composition of thiacloprid and emamectin benzoate |
| CN102067869A (en) * | 2011-01-30 | 2011-05-25 | 赤峰市帅旗农药有限责任公司 | Pesticidal composition of thiacloprid and spinosad |
| CN102067868A (en) * | 2011-01-14 | 2011-05-25 | 李爱华 | Compound pesticide |
| CN103749530A (en) * | 2013-12-30 | 2014-04-30 | 孙蒙蒙 | Insecticidal composition containing abamectin |
| CN103907646A (en) * | 2014-03-24 | 2014-07-09 | 泰安市泰山现代农业科技有限公司 | Pesticide composition and application thereof |
| CN107439568A (en) * | 2017-09-19 | 2017-12-08 | 河北兴柏农业科技有限公司 | A kind of composition pesticide containing Avermectin B2 |
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2009
- 2009-08-12 CN CN200910166100A patent/CN101617688A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102067868A (en) * | 2011-01-14 | 2011-05-25 | 李爱华 | Compound pesticide |
| CN102057937A (en) * | 2011-01-21 | 2011-05-18 | 赤峰市帅旗农药有限责任公司 | Insecticidal composition of thiacloprid and emamectin benzoate |
| CN102067869A (en) * | 2011-01-30 | 2011-05-25 | 赤峰市帅旗农药有限责任公司 | Pesticidal composition of thiacloprid and spinosad |
| CN103749530A (en) * | 2013-12-30 | 2014-04-30 | 孙蒙蒙 | Insecticidal composition containing abamectin |
| CN103749530B (en) * | 2013-12-30 | 2015-10-14 | 顾祥茂 | A kind of Pesticidal combination containing Avermectin |
| CN103907646A (en) * | 2014-03-24 | 2014-07-09 | 泰安市泰山现代农业科技有限公司 | Pesticide composition and application thereof |
| CN103907646B (en) * | 2014-03-24 | 2015-11-18 | 泰安市泰山现代农业科技有限公司 | A kind of composition pesticide and uses thereof |
| CN107439568A (en) * | 2017-09-19 | 2017-12-08 | 河北兴柏农业科技有限公司 | A kind of composition pesticide containing Avermectin B2 |
| CN107439568B (en) * | 2017-09-19 | 2020-07-07 | 河北兴柏农业科技有限公司 | Pesticide composition containing abamectin B2 |
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Application publication date: 20100106 |