CN102550574A - Chlorantraniliprole and fenoxycarb compound pesticide - Google Patents
Chlorantraniliprole and fenoxycarb compound pesticide Download PDFInfo
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- CN102550574A CN102550574A CN2012100313007A CN201210031300A CN102550574A CN 102550574 A CN102550574 A CN 102550574A CN 2012100313007 A CN2012100313007 A CN 2012100313007A CN 201210031300 A CN201210031300 A CN 201210031300A CN 102550574 A CN102550574 A CN 102550574A
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- fenoxycarb
- rynaxypyr
- chlorantraniliprole
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Abstract
The invention relates to a chlorantraniliprole and fenoxycarb compound pesticide, and belongs to the technical field of compound pesticide. The chlorantraniliprole and fenoxycarb compound pesticide is characterized in that the chlorantraniliprole and fenoxycarb compound pesticide comprises, by weight, 0.5-1.5% of chlorantraniliprole, and 3.5-4.5% of fenoxycarb. According to the present invention, the chlorantraniliprole and the fenoxycarb are compounded into the pesticide, which provide cotoxicity coefficient more than 120 for striped rice borer; the compound of the chlorantraniliprole and the fenoxycarb has obvious synergistic effect; good prevention and treatment effects for striped rice borer, cnaphalocrocis medinalis guene, and the like are provided; the compound pesticide of the presentinvention has characteristics of low toxicity, wide insecticidal spectrum, good quick effect, good lasting effect, and low production cost.
Description
Technical field
The invention belongs to technical field of compounded pesticide, be specially Rynaxypyr and fenoxycarb Recompounded pesticide.
Background technology
Paddy rice is the principal item in China cereal crops, and cultivated area is big, and disease, worm, crop smothering kind are many, and harm is heavy.According to agricultural sector statistics, every year due to illness, harm such as worm, grass, production loss reaches 20～30%.The employed agricultural chemicals quantity of disease, worm, crop smothering on the control paddy rice accounts for about 50% of China's agricultural chemicals year usage amount.Area is controlled to the medicine of rice grub in the whole nation, and about 1,200,000,000 mu, insect outbreak year medicine is controlled area can be bigger throughout the year.
The pesticide species of control paddy rice primary pest is like the control rice leaf roller, for many years; Use the desinsection list, chlopyrifos is more, nearly 3～5 years; Use medicaments such as AVM, Affirm (Merck Co.) hydrochloride; Large area control to rice leaf roller has reached good effect, but owing to develop immunity to drugs after using for many years, control efficiency descends year by year.In recent years introduce medicaments such as indenes worm prestige that du pont company produces, Rynaxypyr, the lepidoptera pest on the control paddy rice, dosage is few, and preventive effect is good, but pesticide price is high, and large tracts of land is promoted the use of also has certain difficulty.
And for example prevent and treat the snout moth's larva of rice, rice-stem borer especially, once large tracts of land is used agricultural chemicals such as desinsection list, dimehypo, Hostathion, and all because of pesticide resistance produces, preventive effect descends.After use relevant agricultural chemicals such as the flufenoxuron etc. of fluorine worm nitrile (sharp strength is special) that Bayer A.G produces and insect hormone class instead; All because of bigger to the influence of useful aquatic animals such as fish, shrimp, honeybee and insect; Order on paddy rice, to stop using in the Ministry of Agriculture in 2009, medicament uses so that cause the control snout moth's larva of rice not have preferably.In recent years promote medicaments such as Rynaxypyr, also higher because of price above-mentioned, large tracts of land is used has certain restriction.
In order to improve China to the relevant pesticide species of large-scale production control efficiency to rice grub; Reduce and introduce the market price of pesticide species preferably recently; Reduction on the basis of screening system, is carried out composite just have this purpose to some obligate insecticides to the pollution of environment.
Summary of the invention
To the problems referred to above that exist in the prior art; The objective of the invention is to design provides the wider Rynaxypyr of a kind of low toxicity, insecticidal spectrum and the technical scheme of fenoxycarb Recompounded pesticide; Its quick-acting and lasting effect are good; Cost is lower, to the paddy rice lepidoptera pest, like striped rice borer, rice leaf roller etc. better control efficiency is arranged.
Described Rynaxypyr and fenoxycarb Recompounded pesticide is characterized in that containing the following material of weight percentage: Rynaxypyr 0.5～1.5%, fenoxycarb 3.5～4.5%.
Described Rynaxypyr and fenoxycarb Recompounded pesticide is characterized in that: Rynaxypyr content is 0.6～1.4%, and fenoxycarb content is 3.6～4.4%.
Described Rynaxypyr and fenoxycarb Recompounded pesticide is characterized in that: Rynaxypyr content is 0.8～1.0%, and fenoxycarb content is 3.8～4.2%.
Rynaxypyr, (Chlorantraniliprole, the registrar entitling: it is wide Rynaxypyr) to have another name called health for English common name.Be a kind of aminobenzoic two acyl insecticides that du pont company is produced in recent years and promoted.Pure article outward appearance is a white crystals, proportion (liquid is required) 1.507g/ml, 208～210 ℃ of fusing points.330 ℃ of decomposition temperatures, vapour pressure (20～25 ℃) 6.3 * 1012pa, solvability (20～25 ℃ of g/ml): water 1.023, acetone 3.446, methyl alcohol 1.714, acetonitrile 0.711, acetate, ethyl ester 1.144.Rynaxypyr has unique insecticidal mechanism, can efficiently activate insect ryania (muscle) acceptor.Excessively discharge the calcium ion in the intracellular calcium store, cause the insect paralysis dead.Active high to the larva of lepidoptera pest, insecticidal spectrum is wide, holds the characteristics such as good of imitating.Rynaxypyr at present registered on the paddy rice primary pest like rice leaf roller, striped rice borer, paddy stem borer, pink rice borer, rice gall midge, Lissorhoptrus oryzophilus Kuschel, rice water resembled good control efficiency also arranged.This agricultural chemicals belongs to little poison level, and is also as safe as a house to the useful insect in rice field, fish, shrimp.
Fenoxycarb (Fenoxycarb) has another name called ABG-6215, Fen Nuoke, oxygen ether prestige etc.Molecular formula C
12H
10NO
4, molecular weight 301.4, pure article are white crystals, can be dissolved in organic solvents such as acetone, chloroform, methyl alcohol, toluene, are insoluble in water, and be stable to light, stable under 10～38 ℃ of conditions of pH value 6.5～10 and temperature.Low toxicity, rat acute footpath mouthful LD50 ﹥ 16800mg/kg, acute footpath skin LD50 ﹥ 2000mg/kg is to natural enemy and beneficial insect safety.Fenoxycarb belongs to insect growth regulator, IGR, molecular structure tool carbamate gene, but its insecticidal action is a non-refreshing footpath property, and most of insects are shown strong juvenile hormone activity, insecticidal spectrum is wide, has stomach toxicity and action of contace poison concurrently; Efficiently, low toxicity, the longevity of residure be long, environmentally safe.
Described Rynaxypyr and fenoxycarb Recompounded pesticide according to its purposes, can be processed multiple formulation, like the water colloidal suspending agent, add diffusant, wetting agent, binding agent, filler etc. by former medicine and process; Also can process water dispersant, add bleeding agent, diffusant, wetting agent, binding agent, filler etc. by former medicine and process.The production technology that specifically is mixed and usual auxiliaries all belong to existing known technology, repeat no more at this.
Above-mentioned Rynaxypyr and fenoxycarb Recompounded pesticide, greater than 120, both are composite to have obvious synergistic effect, to the paddy rice lepidoptera pest, like striped rice borer, rice leaf roller etc. better control efficiency is arranged to the co-toxicity coefficient of striped rice borer.This Recompounded pesticide low toxicity, insecticidal spectrum are wider, and quick-acting and lasting effect are good, and production cost is low.
Proportioning in the present patent application is the weight percentage of the pure material of active ingredient.
Embodiment
Below through specific embodiment the present invention is described further, and combine corresponding test to further specify beneficial effect of the present invention.
Prescription one: Rynaxypyr 0.6%, fenoxycarb 4.4%.
Prescription two: Rynaxypyr 0.8%, fenoxycarb 4.2%.
Prescription three: Rynaxypyr 1.0%, fenoxycarb 4.0%.
Prescription four: Rynaxypyr 1.2%, fenoxycarb 3.8%.
Prescription five: Rynaxypyr 1.4%, fenoxycarb 3.6%.
Test one. above-mentioned Recompounded pesticide is measured the synergy of striped rice borer.
1. supply the reagent agent: the former medicine of 94.5% Rynaxypyr is by du pont company production; 90% fenoxycarb missible oil is produced by Jiangsu Changlong Chemical Co.
2. proportion design:
1) Rynaxypyr
2) fenoxycarb
3) 5% Rynaxypyr fenoxycarb mixture 1 (prescription 1) ratio 1:7.3
4) 5% Rynaxypyr fenoxycarb mixture 2 (prescription 2) ratio 1:5.25
5) 5% Rynaxypyr fenoxycarb mixture 3 (prescription 3) ratio 1:4.0
6) 5% Rynaxypyr fenoxycarb mixture 4 (prescription 4) ratio 1:3.17
7) 5% Rynaxypyr fenoxycarb mixture 5 (prescription 5) ratio 1:2.57
3. supply the examination insect: striped rice borer 4～5 instar larvaes;
4. test method:, adopt dip method with reference to the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC).
5. The selection result is seen table 1-8.
Table 8 Rynaxypyr fenoxycarb is mixed to the toxicity test of striped rice borer table as a result
| Medicament | LC50（mg/L） | The toxicity regression curve | 95% confidence interval | Co-toxicity coefficient |
| Rynaxypyr | 17.3725 | Y=3.4737+1.2310X | 11.0415～25.1836 | ? |
| Fenoxycarb | 33.1722 | Y=2.9916+1.3206X | 19.4092～73.8731 | ? |
| Rynaxypyr fenoxycarb mixture 1 ((prescription 1) | 10.7199 | Y=3.5486+1.4088X | 6.4859～29.4014 | 279.0 |
| Rynaxypyr fenoxycarb mixture 2 ((prescription 2) | 8.7881 | Y=3.4711+1.6198X | 5.6453～17.2508 | 329.5 |
| Rynaxypyr fenoxycarb mixture 3 ((prescription 3) | 8.1569 | Y=3.7036+1.4222X | 4.9428～16.6896 | 344.1 |
| Rynaxypyr fenoxycarb mixture 4 ((prescription 4) | 5.6108 | Y=3.9466+1.4063X | 3.0564～9.5031 | 485.3 |
| Rynaxypyr fenoxycarb mixture 5 ((prescription 5) | 4.7894 | Y=4.0225+1.4370X | 2.4515～7.7569 | 552.0 |
Mensuration result shows, 1～5 proportioning of 5% Rynaxypyr fenoxycarb mixed agent, and its co-toxicity coefficient has the notable synergistic effect all greater than 120.Consider from aspects such as cost and preventive effects, think that proportioning 2,3 can be used as optimization of C and selects.
Test two. above-mentioned Recompounded pesticide is to the field control effectiveness test of rice-stem borer.
Be the control efficiency of checking Rynaxypyr fenoxycarb mixture to striped rice borer, carried out the test of pesticide effectiveness in morning in the rice field in May, 2011.
1. the kind and the consumption of field reagent test:
(1) 5% Rynaxypyr fenoxycarb mixture (prescription 3), mu consumption 100 grams;
(2) 20% Rynaxypyr colloidal suspending agents, mu consumption 20 grams;
(3) 10% fenoxycarb missible oil, mu consumption 50 grams;
(4) blank.
2. method: adopt the field sub-district to be set, triplicate.Behind the spray medicine 3 days,, when the withered heart seedling of causing harm in the field is basicly stable, carry out withered heart rate investigation when Chilo spp larvae was grown to 5 length of times.
3. the result sees table 9.
Result of the test shows: 5% Rynaxypyr fenoxycarb mixture (prescription 3) reaches 96.6% to the control efficiency of the withered heart, and Rynaxypyr is 93.8%, and fenoxycarb is 82.8%.Carry out rice-stem borer and carry out field control effectiveness test with prescription 1-2 and prescription 4-5, also can reach and the 3 similar test effects of filling a prescription.
Test three. above-mentioned Recompounded pesticide is to the field control effectiveness test of rice leaf roller.
1. the kind and the consumption of field reagent test:
(1) 5% Rynaxypyr fenoxycarb mixture (prescription 3), mu consumption 100 grams;
(2) 20% Rynaxypyr colloidal suspending agents, mu consumption 20 grams;
(3) 10% fenoxycarb missible oil, mu consumption 40 grams;
(4) blank.
2. method: adopt the field sub-district to be set, triplicate.Behind the spray medicine 3 days with medicine after respectively investigated leaf roll in 7 days and live borer population once, calculate leaf roll control efficiency and the worm that the lives rate that goes down.
3. the result sees table 10.
See the leaf roll control efficiency from investigation result, Rynaxypyr fenoxycarb mixture (prescription 3) is 81.5%, and contrast medicament-Rynaxypyr is 83.1%, and fenoxycarb is 67.7%.But see that from the worm rate of going down of living mixed agent is 91.7%, Rynaxypyr is 95.5%, and fenoxycarb is 57.1%, shows that mixed agent (prescription 3) has the better prevention effect.Carry out rice leaf roller and carry out field control effectiveness test with prescription 1-2 and prescription 4-5, also can reach and the 3 similar test effects of filling a prescription.
Claims (3)
1. Rynaxypyr and fenoxycarb Recompounded pesticide is characterized in that containing the following material of weight percentage: Rynaxypyr 0.5～1.5%, fenoxycarb 3.5～4.5%.
2. Rynaxypyr as claimed in claim 1 and fenoxycarb Recompounded pesticide is characterized in that: Rynaxypyr content is 0.6～1.4%, and fenoxycarb content is 3.6～4.4%.
3. Rynaxypyr as claimed in claim 1 and fenoxycarb Recompounded pesticide is characterized in that: Rynaxypyr content is 0.8～1.0%, and fenoxycarb content is 3.8～4.2%.
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| CN2012100313007A CN102550574A (en) | 2012-02-13 | 2012-02-13 | Chlorantraniliprole and fenoxycarb compound pesticide |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
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Application publication date: 20120711 |