CN1043602C - Insecticide for various insects - Google Patents
Insecticide for various insects Download PDFInfo
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- CN1043602C CN1043602C CN94110551A CN94110551A CN1043602C CN 1043602 C CN1043602 C CN 1043602C CN 94110551 A CN94110551 A CN 94110551A CN 94110551 A CN94110551 A CN 94110551A CN 1043602 C CN1043602 C CN 1043602C
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Abstract
The present invention relates to a novel insecticide for various insects of a pesticide, which is made by a synergistic effect and the relationship of generating negative interactive resistance performance among some single-agent pesticides according to the resistance performance therapeutic theory of multiple acting points. The insecticide for various insects uses three pesticides such as fenvalerate, phoxim and thiodicarb as main effective components; an emulsifying agent, a stabilizing agent, an agricultural spreader and a solvent are prepared according to reasonable proportions to prepare the insecticide for various insects. The present invention has the characteristics of high medicine effect, broad spectrum, rapidness, persistence, low toxicity, few residues, little pollution, safe use, etc., and also has an ideal preventing and therapeutic function for the existing medicine resistance pests. The present invention is suitable for preventing and treating insect pests of cotton, tobacco, vegetables, fruit trees, grain and oil crops.
Description
The present invention relates to technical field of pesticide, particularly a kind of a kind of Pesticidal combination missible oil that is used for crops such as cotton, paddy rice, fruit tree, vegetables, tobacco.
The insect pest of effectively preventing crops is the importance that improves level of agricultural production.Agricultural chemicals is the main method of current control crop pests.The kind of agricultural chemicals has serial agricultural insecticides such as organic phosphates, pyrethroid, carbamates.The use of these single agent agricultural chemicals played important function to pest control over a period to come.But the long-term single use of these a few class agricultural chemicals makes the biology enzyme system of insect produce variation, and has the pesticide resistance of a certain single agent agricultural chemicals lethal effect of opposing.Thereby the control efficiency of insecticide descends, and strengthens formulation rate, and the pesticide resistance of insect is further strengthened, and causes the control failure at last.For example, the harm of the current cotton bollworm of China is very serious, and its anti-liquid medicine is flat quite high, and having reached does not basically have the degree that good medicine can be controlled.
Big at the research and development of new single agent agricultural chemicals investment, the time is long, and the situation that difficulty is big had occurred in recent years according to the multiaction point resistance management theory to pest resistance to insecticide improvement, the composite agriculture chemical that is mixed and made into the variety classes agricultural chemicals.As publication number is CN1052020A, and application number is that 90105264.7 Chinese patent discloses a kind of pesticide mixture.Good package-mix agricultural chemical is compared with single agent agricultural chemicals, and effect is better than single agent agricultural chemicals, the performance of property of medicine effect and the delay of progression of pest resistance to insecticide had in various degree effect.But synergy amplitude and final control efficiency are but because of the different very big-differences that exist of component and proportioning.
Present package-mix agricultural chemical all is that a few class agricultural chemicals with different mechanisms screen, proportioning is made basically.But because the restriction of research technique and understanding and research level, the mixed proportion between the kind of selected component agricultural chemicals and each kind is unreasonable.So in the synergistic effect that overcomes cross resistance between agricultural chemicals (promptly pesticide resistance is intersected between two kinds of agricultural chemicals, improves its drug-fast character mutually) and mutual desinsection, have many problems.In addition, the agricultural cost of the package-mix agricultural chemical of making is also bigger, thereby has limited the promotion and application of package-mix agricultural chemical.
Task of the present invention is to take place and the rule of development according to the main pest pesticide resistance in the north of multiaction point resistance management theory and China, in a few class agricultural chemicals of different insecticidal mechanisms, filter out several suitable agricultural chemicals list agent components, determine its reasonable proportioning, make between each single agent agricultural chemicals and can produce high synergistic effect, thereby be mixed with that insecticidal power is strong, wide spectrum, quick-acting, lasting, low-residual, pollution is little, price is low and delay and administer pest resistance to insecticide, is applicable to the mixed pesticide formulation of cotton, fruit tree, cereal crops, vegetables, tobacco crop.
Task of the present invention is achieved in that the sumicidin of selecting in the pyrethrin pesticide, have another name called Belmark, chemical name is alpha-cyano-3-benzyloxy phenoxy base (R.S)-2-(4-chlorphenyl)-3 Methylbutanoic acid ester, phoxim in the organophosphorus insecticide, have another name called phoxim, chemical name is O, Methomyl in O-diethyl-O-α-Qing Jibenchaanjiliuzhulinsuanzhi and the carbamate chemicals for agriculture, have another name called ten thousand spirits, chemical name is 1-(methyl mercapto) ethylidene aminomethyl carbamate, three kinds of agricultural chemicals are equipped with emulsifier as the active ingredient of desinsection, stabilizing agent, solvent, the composite missible oil that forms.
Its composition contains:
Material content % (weight ratio)
Sumicidin 3-12
Phoxim 10-24
Methomyl 4-16
Emulsifier 5-15
Stabilizing agent 0.5-3
Solvent 35-70
Sumicidin is a crude oil in said ratio, and phoxim is a crude oil, and Methomyl is former powder.
Emulsifier is the mixture of a kind of nonionic and anion surfactant, can be QNR-6 or QNR-3, and they are pale brown look thick liquids.They make each component of preparation make one, become the oil phase transparency liquid.
Stabilizing agent can be triphenyl phosphate (it is a white solid) or epoxychloropropane (it is a colourless liquid), and they make preparation mix the back ingredient stability, are suitable for storing, and reach related standards.
Solvent is the mixture of alcohols solvent and aromatic solvents, and they all are liquid.Alcohols solvent content wherein is the 8-32% of preparation percentage total amount, and the remaining solvent amount is an aromatic solvents, and alcohols solvent can be methyl alcohol, ethanol, and aromatic solvents can be toluene, dimethylbenzene.
This composition missible oil can contain agricultural spreader-sticker, agricultural spreader-sticker is a non-ionic surface active agent, can be LAE-9 or MOA-9, they are thick liquid, it act as the infiltration that improves active principle, is opening up ability, strengthen synergistic effect, improve insecticidal power, content is the 3-15% (weight ratio) of preparation total amount.
The preparation method of this preparation is: sumicidin, phoxim, three kinds of pesticide compositions of Methomyl are dropped into the modulation container successively by said ratio, again emulsifier, stabilizing agent are added by said ratio, supply percentage composition with solvent, stir after quiescent setting promptly makes missible oil of the present invention.
This composition missible oil has following characteristics: first, because of it mainly contains effective constituent Methomyl, sumicidin, phoxim by the rational proportion proportioning by three kinds, bigger synergistic effect and negative cross resistance (seeing Table 1) have been produced each other, therefore, it has stronger killing ability, to drug-fast insect is arranged desirable preventive and therapeutic effect (seeing Table 2-6) is arranged also.The second, the present invention has enlarged the control spectrum and the range of application of three kinds of single agent agricultural chemicals.But insects (seeing Table 2-6) such as killing heliothis armigera, cabbage caterpillar, cnaphalocrocis set, grape two caudal lobe cicada are applicable to crops such as cotton, tobacco, vegetables, fruit tree, paddy rice.The 4th, the present invention has reduced the toxicity of Methomyl, when improving drug effect, has improved coefficient safe in utilization.Through concentration liquid spraying more than 500 times, do not find that the poisoning phenomenon takes place in the phytotoxicity test of system, safety coefficient is 2-3.Through the acute toxicity experience to higher mammal, it belongs to the medium toxic pesticides kind, does not find intoxicating phenomenon in the application.The 5th, the present invention is quick-acting, and it is fast that insect is knocked down speed, with back 1 hour can take effect (seeing Table 2).The 6th, the efficacy of a drug lasting period of the present invention, more single agent agricultural chemicals was long, and the field lasting period reaches 7-10 days.The 7th, the present invention can be spread immediately, open up after being sprayed plant, reduces fluid loss, improves drug effect, reduces environmental pollution.The 8th, cost of the present invention is lower, and every mu of time expenses for medicine is 1.5-2 unit only, and vast farmers is convenient to accept.Therefore this preparation insecticide for various insects is that a kind of insecticidal power is strong, and insecticidal spectrum is wide, and is quick-acting, and lasting, toxicity is low, low-residual, pollute little, the agricultural chemicals that price is low.Concrete formula examples of the present invention is as follows.
Material content % (weight ratio) sumicidin 10 of filling a prescription
Phoxim 10
Methomyl 10
QNR-6????????????????12
Epoxychloropropane 1
Methyl alcohol 20
Dimethylbenzene 37 prescriptions two sumicidins 5
Phoxim 20
Methomyl 10
QNR-6????????????????10
Triphenyl phosphate 0.5
Methyl alcohol 20
Dimethylbenzene 34.5 prescriptions three sumicidins 10
Phoxim 20
Methomyl 5
QNR-3????????????????8
Epoxychloropropane 1
MOA-9????????????????8
Methyl alcohol 10
Dimethylbenzene 38 prescriptions four sumicidins 5
Phoxim 15
Methomyl 5
QNR-3??????????10
Triphenyl phosphate 15
LAE-9??????????13
Methyl alcohol 10
Dimethylbenzene 40.5
More than each the prescription preparation method, can connect preceding method and handle.
According to the composition missible oil of above-mentioned each formulated, all meet the technical indicator and the heat storage stability index of the relevant missible oil of FAO and China according to the routine techniques standard of measuring missible oil.
For the scope of application of this composition missible oil is described, the synergistic effect that rational proportion reached between excellent effect such as killing ability and each component, this preparation and single agent agricultural chemicals have been carried out Toxicity Determination, through cotton bollworm is knocked down the mensuration of power and insecticidal activity and the test of field efficacy, the result is as follows:
One, Toxicity Determination:
Under constant indoor temperature, constant humidity condition, utilize the indoor resistance cotten aphid that throughout the year breeds, adopt each insecticide for various insects preparation of filling a prescription of water seaoning mensuration and Methomyl, phoxim, sumicidin list agent agricultural chemicals to virulence for the examination insect, ask its toxicity regression formula on computers, correlation coefficient and LC50 value, and the abundant method theory of computation of employing Sun Yun virulence index, its malicious coefficient (synergy multiple).
Each medicament all is diluted with water to series concentration, and each handle to repeat four times, surveys cotten aphid 30-100 head at every turn, proofreaies and correct the go down probit value of rate of insect population in back 24 hours and calculates to handle.The results are shown in Table one.(table sees the literary composition back)
As can be seen from Table I, Methomyl and phoxim, sumicidin, composite its co-toxicity coefficient illustrate that all greater than 160 its ternary built has obvious synergistic effect.Contain agricultural spreader-sticker in prescription three and prescription four, the insecticidal activity of various effective ingredients is further brought into play, its co-toxicity coefficient is big.In addition, the best combination of each auxiliary agent of the present invention has also played effect for its synergy.
Two, to the power of knocking down of cotton boll larva and the mensuration of insecticidal activity
Make larva carry out insecticidal activity mensuration indoor to three of cotton bollworm, the result is as follows: (table two is seen the literary composition back)
As can be seen from Table II, cotton bollworm is had the good power of knocking down in the present invention and desinsection is renderd a service, and its quick-acting effects are obvious, can knock down 70% insect in 5 minutes, and with regard to the energy kill pests, this obviously is better than any single agent agricultural chemicals after 1 hour.This table has also showed the synergistic effect of this agent.
Three, field control effectiveness test
We have done the multiple spot test that the present invention prevents and treats insects such as cotton bollworm, cabbage caterpillar, cnaphalocrocis are closed the eyes, grape two caudal lobe cicada in the field, list the part test result in table three, four, five, six below.
Table three the present invention fills a prescription three
The special test of cotton field control cotton bollworm medicine
Table four the present invention field of vegetables control cabbage caterpillar test of pesticide effectiveness of filling a prescription
Table five the present invention three control cnaphalocrocis tests of pesticide effectiveness of closing the eyes of filling a prescription
Table six the present invention two control grapes two caudal lobe cicada tests of pesticide effectiveness of filling a prescription
| The medicament title | Extension rate | Each day control efficiency (%) behind the spray medicine |
| 1 day 3 days 5 days | ||
| Methomyl nuvacron of the present invention | ?1000 ?1500 ?1000 ?1000 | ????93.8????100?????100 ????81.4????88.9????92.6 ????85.0????90.0????90.0 ????52.9????64.7????58.8 |
| The medicament title | Extension rate | Each day control efficiency (%) behind the spray medicine |
| 1 day 3 days 5 days | ||
| Methomyl phoxim of the present invention | ?1000 ?1500 ?1000 ?1000 | ????86.5????94.6????97.3 ????81.9????86.9????91.8 ????70.6????80.9????88.2 ????37.5????61.7????47.9 |
| The medicament title | Extension rate | Prevented and treated efficient (%) behind the medicine in five days |
| Methomyl acephatemet of the present invention | ?1000 ?1500 ?1000 ?1000 | ????100 ????93.9 ????86.0 ????61.8 |
| The medicament title | Extension rate | Control efficiency (%) |
| 1 day 3 days | ||
| Methomyl Methomyl of the present invention | ?1500 ?2000 ?1000 ?1500 | ????100?????100 ????99.1????100 ????95.5????100 ????94.8????100 |
Table 3-6 result show, the present invention to cotton bollworm, cabbage caterpillar, cnaphalocrocis set, the good control efficiency of the equal tool of grape two leafhopper, obviously be better than the single agent agricultural chemicals of contrast under the same extension rate, so insecticide for various insects is applicable to the control of insect of crops such as cotton, vegetables, paddy rice, grape, fruit tree, tobacco.
The present invention of single agent of table one and different formulations is to the virulence of cotten aphid
The fill a prescription power of knocking down of four pairs of cotton bollworms and insecticidal activity of table two the present invention measured
| The medicament title | Correlation coefficient (r) | Toxicity regression formula (y=) | ????I,C50 ????ppm | Co-toxicity coefficient CTC |
| A Methomyl phoxim fenvalerate the present invention the present invention two the present invention, three the present invention that fill a prescription that fill a prescription that fill a prescription fill a prescription four | ?0.9740 ?0.9923 ?0.9845 ?0.9548 ?0.9825 ?0.9749 ?0.9848 | ????3.7381+1.7214× ????3.5398+1.3164× ????1.3624+2.1178× ????3.4766+1.9675× ????3?7537+1.6033× ????3.5616+1.8641× ????4?0634+1.6479× | ????5.4084 ????12.8599 ????52.1953 ????5.9468 ????5.9887 ????5.9106 ????3.7013 | ????179.00 ????166.96 ????221.66 ????260.51 |
| The medicament title | Extension rate | Rate of knockdown (%) | Lethality (%) |
| 5 minutes 30 minutes 1 hour | 12 hours 24 hours 48 hours | ||
| Methomyl phoxim sumicidin nuvacron of the present invention | ????1000 ????1500 ????1000 ????1000 ????1000 ????1000 | ????70.0????83.3????100 ????56.7????66.7????100 ????66.7????60.0????80.0 ????26.7????36?7????40.0 ????23.3????30.0????50.0 ????20.0????46.7????70.0 | ????100?????100?????100 ????100?????100?????100 ????83.3????90.0????96.7 ????50.0????66.7????66.7 ????53.3????70.0????80.0 ????73.3????76.7????80.0 |
Claims (9)
1. a Pesticidal combination missible oil is characterized in that: contain
Material content % (weight ratio)
Fenvalerate crude oil 3-12
Phoxim crude 10-24
The former powder 4-16 of Methomyl
Emulsifier 5-15
Stabilizing agent 0.5-3
Solvent 35-70
2. a kind of Pesticidal combination missible oil according to claim 1 is characterized in that: contain agricultural spreader-sticker, agricultural spreader-sticker is a non-ionic surface active agent, and content is the 3-15% (weight ratio) of preparation total amount.
3. a kind of Pesticidal combination missible oil according to claim 2 is characterized in that: agricultural spreader-sticker is LAE-9 or MOA-9.
4. a kind of Pesticidal combination missible oil according to claim 1 and 2 is characterized in that:
Emulsifier is the mixture of nonionic and anion surfactant.
5. a kind of Pesticidal combination missible oil according to claim 4 is characterized in that: emulsifier is QNR-6 or QNR-3.
6. a kind of Pesticidal combination missible oil according to claim 1 and 2 is characterized in that: stabilizing agent is triphenyl phosphate or epoxychloropropane.
7. a kind of Pesticidal combination missible oil according to claim 1 and 2 is characterized in that: solvent is the mixture of alcohols solvent and aromatic solvents, and wherein the amount of alcohols solvent is the 8-32% (weight ratio) of preparation total amount, and the remaining solvent amount is an aromatic solvents.
8. a kind of Pesticidal combination missible oil according to claim 7 is characterized in that: alcohols solvent can be methyl alcohol or ethanol, and aromatic solvents can be toluene or dimethylbenzene.
9. a kind of Pesticidal combination missible oil according to claim 2 is characterized in that: contain (weight ratio) sumicidin 5%, phoxim 15%, Methomyl 5%, QNR-310%, triphenyl phosphate 1.5%, LAE-913%, methyl alcohol 10%, dimethylbenzene 40.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94110551A CN1043602C (en) | 1994-04-21 | 1994-04-21 | Insecticide for various insects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94110551A CN1043602C (en) | 1994-04-21 | 1994-04-21 | Insecticide for various insects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1094570A CN1094570A (en) | 1994-11-09 |
| CN1043602C true CN1043602C (en) | 1999-06-16 |
Family
ID=5034507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94110551A Expired - Fee Related CN1043602C (en) | 1994-04-21 | 1994-04-21 | Insecticide for various insects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1043602C (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015598A2 (en) * | 1979-02-21 | 1980-09-17 | Shell Internationale Researchmaatschappij B.V. | Pesticidal compositions and their use |
| CN1032480A (en) * | 1987-10-10 | 1989-04-26 | 山东省农药研究所 | A kind of compounded pesticide emulsion |
-
1994
- 1994-04-21 CN CN94110551A patent/CN1043602C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015598A2 (en) * | 1979-02-21 | 1980-09-17 | Shell Internationale Researchmaatschappij B.V. | Pesticidal compositions and their use |
| CN1032480A (en) * | 1987-10-10 | 1989-04-26 | 山东省农药研究所 | A kind of compounded pesticide emulsion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1094570A (en) | 1994-11-09 |
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