CN107156151A - Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo - Google Patents
Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo Download PDFInfo
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- CN107156151A CN107156151A CN201710454932.7A CN201710454932A CN107156151A CN 107156151 A CN107156151 A CN 107156151A CN 201710454932 A CN201710454932 A CN 201710454932A CN 107156151 A CN107156151 A CN 107156151A
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- Prior art keywords
- dimehypo
- trifluoro
- benzene pyrimidine
- composition
- pyrimidine
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo, said composition contains active component trifluoro-benzene pyrimidine and dimehypo, and the wherein mass ratio of trifluoro-benzene pyrimidine and dimehypo is 1：(1~50).The Pesticidal combination of the present invention not only expands insecticidal spectrum on the basis of original preventive effect is kept, and can delay insect generation drug-fast to medicament, also with synergistic effect.The price of trifluoro-benzene pyrimidine is far above dimehypo, and the present invention compounds dimehypo and a small amount of trifluoro-benzene pyrimidine, and its insecticidal effect reduces production cost apparently higher than alone trifluoro-benzene pyrimidine or dimehypo, alleviates the financial burden of peasant.
Description
Technical field
The invention belongs to pesticide field, and in particular to a kind of Insecticidal combinations containing trifluoro-benzene pyrimidine and dimehypo simultaneously
Thing.
Background technology
In recent years, science compounding is carried out with two or more insecticide, to expand insecticidal spectrum or improve anti-
Effect is controlled, is found broad application.As emamectin-benzoate and dimehypo, phoxim and dimehypo, chlopyrifos with
The agricultural chemicals of the compoundings such as dimehypo, Methomyl and dimehypo is applied in agricultural production.
Paddy rice is China's staple food crop, and the snout moth's larva of rice and plant hopper are the primary pests in Rice Cropping, wherein and with
Striped rice borer and brown paddy plant hopper, white backed planthopper harm is very.
Striped rice borer Chilo suppressalis (Walker) are that Occurrence the most serious is endangered on China paddy rice
One of, tillering stage it is aggrieved cause withered sheath, withered heart seedling, ear period it is aggrieved cause insect bite strain and dead ears, the general time underproduction 8%~
10%, the underproduction is more than 3 one-tenth when serious.Domestic each rice region is distributed, wide compared with yellow rice borer and pink rice borer distribution but main with the Changjiang river
Basin and on the south rice region occur heavier, it is in the situation that substantially rises that quantity occurs in recent years.Striped rice borer is in addition to hazard rice, moreover it is possible to
Endanger the weeds such as crop and reed, barnyard grass, Leersia Sw such as wild rice stem, corn, sorghum, sugarcane, rape, broad bean, wheat class.
Striped rice borer is not only the important pests in China's Rice Production, and paddy fields distribution is also very wide abroad, for example,
The harm of the striped rice borer such as Korea, Japan, Philippine, Vietnam, Thailand, Malaya, Indonesia, India, Egypt is also very tight
Weight.
Rice hoppers (rice planthopper) belong to Homoptera Delphacidae.Hazard rice mainly have brown paddy plant hopper, it is white
Three kinds of backward flight lice and small brown rice planthopper.It is brown paddy plant hopper and white backed planthopper that harm is heavier, early rice early stage based on white backed planthopper, the later stage with
Based on brown paddy plant hopper；Middle late rice is based on brown paddy plant hopper.
Planthopper is caused harm to paddy rice, except directly thorn inhales juice, makes growth retardation, and rice clump is agglomerating withered when serious, even
The complete dead stalk lodging in field, spawning can also stab plant, destroy conducting tissue, hinder nutriment transport and transmitted virus disease.
At present, preventing and treating the snout moth's larva of rice and plant hopper compounded pesticides kind it is more, mainly have to planthopper prevention effect compared with
Good imidacloprid and the formula for preventing and treating the pesticide compositionals such as the preferable Cupric sulfate of snout moth's larva effect, Hostathion.
However, because the resistance of imidacloprid increases quickly, with the accumulation of use time, prevention effect constantly declines, mu
Dosage is dramatically increased, and not only increases agriculture production cost, and increase the influence to environment.
Particularly imidacloprid not only has resistance, but also seriously, therefore the bee colony that pollen is propagated in nature is killed
The bee colony reduced in nature propagates plant pollen, has blocked the breeding chain of plant in nature, various to natural, ecological
Property cause serious threat.Therefore can imidacloprid can be continuing with, and be generated in agricultural management department and pesticide producing department sharp
Strong arguement.EFSA (EFSA) issues a public proclamation title, will reset the nicotinoids agricultural chemicals such as imidacloprid, Acetamiprid
Toxicity criterion.Canadian pest control management organization (PMRA) will be carried out to the environmental risk of nicotinic insecticide imidacloprid
Again evaluate.Environmental Protection Agency began to open to the progress review of nicotinic insecticide imidacloprid early in 2009.Brazilian environmental protection
Administration (IBAMA) will also reappraise four nicotinic insecticide imidacloprids.
The content of the invention
The invention aims to overcome or delay insect to develop immunity to drugs, expand pest control spectrum, accomplish once
Dispenser, it is simultaneous to control various pests there is provided a kind of insecticidal spectrum extensively and with the significant Pesticidal combination of synergistic effect.
The purpose of the present invention can be reached by following measures：
A kind of Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo, said composition contains active ingredient trifluoro-benzene pyrimidine
And dimehypo, the wherein mass ratio of trifluoro-benzene pyrimidine and dimehypo is 1：(1~50).
The proportioning of trifluoro-benzene pyrimidine and dimehypo in the present composition can be according to specific situation of applying in zone of reasonableness
Inside it is adjusted, the weight ratio of both such as trifluoro-benzene pyrimidine and dimehypo is 1：(1~50), 1：(1~45), 1：(1~40),
1：(1~35), 1：(1~30), 1：(1~25), 1：(1~20), 1：(1~15), 1：(1~10), 1：(2~50), 1：(2~
45)、1：(2~40), 1：(2~35), 1：(2~30), 1：(2~25), 1：(2~20), 1：(2~15), 1：(2~10), 1：
(5~50), 1：(5~45), 1：(5~40), 1：(5~35), 1：(5~30), 1：(5~25), 1：(5~20), 1：(5~
15)、1：(5~10), 1：(10~40), 1：(10~30), 1：(10~20), 1：(20~30) etc..In some preferred schemes,
The weight ratio of the two can be 1：50、1：49、1：48、1：47、1：46、1：45、1：44、1：43、1：42、1：41、1：40、1：
39、1：38、1：37、1：36、1：35、1：34、1：33、1：32、1：31、1：30、1：29、1：28、1：27、1：26、1：25、1：
24、1：23、1：22、1：21、1：20、1：19、1：18、1：17、1：16、1：15、1：14、1：13、1：12、1：11、1：10、1：9、
1：8、1：7、1：6、1：5、1：4、1：3、1：2、1：1 etc..
The mass content of active ingredient trifluoro-benzene pyrimidine and dimehypo can be 1~99%, preferably 5 in the present composition
~90%, further preferred 5~60%.
The composition of the present invention can be equipped with insecticides adjuvant, agriculture be made using trifluoro-benzene pyrimidine and dimehypo as active ingredient
Acceptable formulation on medicine, such as solvable pulvis, wettable powder, water dispersible granules, suspending agent.
This Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo can be applied to preventing and treating lepidoptera pest or perverse suction mouthful
Device insect is in terms of murrain, being especially applicable to preventing and treating striped rice borer or planthopper in terms of murrain.
Trifluoro-benzene pyrimidine is new mesoionic class or amphion insecticides, is also new pyrimidine ketone compounds.Its
Efficiently, holding effect, consumption is low, environmentally friendly, mainly prevents and treats water rice hopper, leafhopper etc..It has not with anabasine insecticide
The same mechanism of action, is that insect pollinator is had no adverse effect the characteristics of maximum, can overcome the nicotinic insecticides pair such as imidacloprid
The critical defect of insect pollinator severe toxicity.The various pests such as Lepidoptera, Homoptera are had by trifluoro-benzene pyrimidine wide spectrum, efficient, holding effect
There is good preventive effect, available for cotton, paddy rice, corn and Soybean and Other Crops.Water rice hopper, leafhopper etc. are prevented and treated, is particularly prevented and treated
Brown paddy plant hopper (Nilaparvata lugens) has special efficacy.
Trifluoro-benzene pyrimidine belongs to ultra high efficiency insecticide, prevents and treats rice hoppers, and spraying is used, and active ingredient dosage is only 15
~22.5 grams/ha (i.e. 1~1.5 gram/acre).And the insecticide toxicity is extremely low, to mammal acute oral, percutaneously belongs to
Micro- malicious level, to environmental organism safety, has no adverse effect to insect pollinator.
Dimehypo (bisultap), nereistoxin insecticides is a kind of never poison, and insect contacts and taken food table after medicament
Reveal ability that is blunt, slow in action, losing infringement crop, stop development, polypide softening, paralyse, until dead.Dimehypo has
Very strong systemic action, can be absorbed and be conducted by the leaf of crop, root etc..Dimehypo belongs to biomimetic type agricultural chemicals, to environmental organism and evil
Worm natural enemy influences small, non-resistant, and no residual hazard is free from environmental pollution, is the comparatively ideal medicament of comprehensive regulation insect pest.
Dimehypo is tagged and stomach poison function to insect with stronger, and has certain fumigation action concurrently.Have very strong interior
Suction is acted on, and can be absorbed and be conducted by leaf, stem, root of crop etc..Suitable for crops such as paddy rice, vegetables, fruit tree, cotton and wheats.
Particularly there is special efficacy to the snout moth's larva of rice, the conventional medicament prevented and treated as the snout moth's larva of rice.
In summary, both medicaments are all safe efficient, eco-friendly pesticides.But respectively have excellent during both exclusive uses
Shortcoming, such as dimehypo are good to lepidoptera pest such as striped rice borer, yellow rice borer, rice leaf roller effect, suction mouthful perverse to planthopper etc.
Device insect effect is poor, and trifluoro-benzene pyrimidine-excellent prevention effect is shown to sucking pest such as planthopper etc., but
It is poor to lepidoptera pest prevention effect.
It is active ingredient, the different ratio stated according to the present invention, with this area using dimehypo and trifluoro-benzene pyrimidine
Formulations of pesticide processing insecticides adjuvant known to interior technical staff, with formulations of pesticide processing side known to a person skilled in the art
Method, can be processed into the various formulations of pesticide.
The Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo of the present invention has the advantage that to be with beneficial effect：1、
Insecticidal range is expanded, accomplishes a dispenser, various pests are simultaneous to be controlled；2nd, the lasting period is long；3rd, low toxicity, low-residual is nuisanceless, to ring
Border safety；4th, using compound formulation, reduced when the consumption of two kinds of insecticides is than single use, so that insecticidal effect is improved,
Security is added, environmental pollution is reduced.
Embodiment
Below by specific embodiment detailed description come the present invention is furture elucidated, but be not to the present invention limit
System, is only illustrated.
Embodiment 1：Trifluoro-benzene pyrimidine is determined with dimehypo different ratio to the co-toxicity coefficient of rice-stem borer
In order to confirm trifluoro-benzene pyrimidine and dimehypo mixture, be with synergistic effect, summation action or antagonism, I
Recipe determination research has been carried out to trifluoro-benzene pyrimidine and dimehypo first, the object of indoor biometricses is set to and given birth in China paddy rice
The striped rice borer of most serious is endangered in production, specific measure situation and result are as follows：
The data provided according to agriculture chemical examination institution of the Ministry of Agriculture, the recommended dose of trifluoro-benzene pyrimidine preventing and treating planthopper is 1-
1.5 grams of active ingredient/mus, the recommended dose of dimehypo preventing and treating rice-stem borer is 45-54 grams of effective ingredient/mu, as according to
According to experimental design proportioning is 1: 1,1: 2,1: 5,1: 10,1: 20,1: 30,1: 40,1: 50, and totally 8 processing, separately set trifluoro-benzene phonetic
Pyridine, two single dose processing of dimehypo.
Medication is tested using trifluoro-benzene pyrimidine active compound and the female medicine of dimehypo, is dissolved active compound using acetone, according to setting
Matched proportion density, concentration liquid needed for being configured to is standby.
The method of indoor biometricses is：Using capillary micro intravenous drip method, capillary micro intravenous drip device volume is 1.0 μ L.With
Micro intravenous drip device is by decoction by head drop in the back side of the instar larvae of striped rice borer 3, the larva of each concentration processing 30 or so, every 5
Head larva is put into a diameter of 9cm culture dish, and a small amount of feed is another to use acetone 30 larva conducts of drop for taking food built in ware
Control.Larva after processing is still placed in receptacle, and the death rate is checked after 48h.Data are handled with SPSS software statistics.Obtain
Toxicity regression formula, the lethal concentration of 50, coefficient correlation etc., and obtain co-toxicity coefficient with the abundant methods of Sun Yun.
The co-toxicity of mixture preparation is represented using Sun Yunpei co-toxicity coefficient method：
Theoretical toxicity index TTI=Σ (medicine effective ingredients of the toxicity index ATI of certain medicine × in mixture of mixture preparation
Percentage).
Synergistic effect criterion after two kinds of effective ingredient compoundings：
It is synergistic effect when CTC is more than 120, is antagonism during less than 80, is addition when 80~120.
Experiment determines trifluoro-benzene pyrimidine-be 187.46 μ g/mL to the lethal concentration of 50 of striped rice borer, and setting trifluoro-benzene is phonetic
Pyridine-it is 100 to the toxicity index of striped rice borer.Respectively handle toxicity index, the co-toxicity coefficient such as following table to striped rice borer：
The toxicity test result of the trifluoro-benzene pyrimidine of table 1, dimehypo different ratio to striped rice borer
Above-mentioned data result is analyzed to show, when trifluoro-benzene pyrimidine is compounded with dimehypo by above-mentioned different proportion, compounded formula
1:2-1:40 co-toxicity coefficients are all higher than 100, show to be respectively provided with addition.And between 1: 2 to 1: 40, co-toxicity coefficient is all higher than
120, illustrate, by after two kinds of effective part compoundings, there can be preferable synergistic effect.With the increase of dimehypo in proportioning, synergy is made
With in notable ascendant trend.When the ratio of trifluoro-benzene pyrimidine and dimehypo is 1: 20, co-toxicity coefficient reaches 167.43, is all
Highest in formula, synergistic effect is the most notable.
Embodiment 2：Trifluoro-benzene pyrimidine is determined with dimehypo different ratio to the co-toxicity coefficient of rice hoppers
In order to confirm that trifluoro-benzene pyrimidine and dimehypo mixture are with synergistic effect, summation action to perverse suction mouthpart insect
Or antagonism, with above trifluoro-benzene pyrimidine and 8 formulas of dimehypo mixture, room has been carried out to rice hoppers again for we
Interior toxicity test.From rice hoppers 3 age nymph, assay method uses infusion process.
Test worm is put into the funnel rolled well with filter paper, taken with liquid-transfering gun as above decoction 3mL in funnel, test worm is existed
In decoction keep 30 seconds, be put in after taking-up on filter paper and suck unnecessary decoction, by test worm be transferred to glass support scolite (diameter 1.8cm,
High 8cm) in be put into the wet soil and fresh rice leaf of appropriate water content (about 18%), plug is to prevent the worm from escaping beyond the Great Wall
Ease.Test worm death condition is investigated after 5 days, death standard is that those of skill in the art touch polypide with writing brush, motionless, or can not be normal
The person of creeping is calculated as death.
It is 6.26 μ g/mL to the lethal concentration of 50 of planthopper that experiment, which determines trifluoro-benzene pyrimidine, setting trifluoro-benzene pyrimidine-
Toxicity index to planthopper is 100.Respectively handle toxicity index, the co-toxicity coefficient such as following table to planthopper：
Table 2, trifluoro-benzene pyrimidine-, dimehypo different ratio is to the Toxicity Determination results of rice hoppers
As can be seen from Table 2, trifluoro-benzene pyrimidine and dimehypo different proportion mixture have increasing to rice hoppers 3 age nymph
Effect is acted on.When wherein trifluoro-benzene pyrimidine and dimehypo weight ratio are 1: 20, co-toxicity coefficient reaches 166.40, and synergistic effect shows the most
Write.
The toxicity test result data of the table of summary two, trifluoro-benzene pyrimidine and dimehypo different proportion mixture, when both
When ratio is 1: 1 to 1: 50, synergistic effect is respectively provided with to rice-stem borer and planthopper.The present invention is not merely to reduce agriculture
Medicine usage amount, it is often more important that expand insecticidal spectrum, accomplish a dispenser, various pests are simultaneous to be controlled, saves agriculture sheet, mitigates the labor of peasant
Fatigue resistance.
For this, we have carried out trial-manufacture of sample from following proportioning, and have carried out field control effectiveness test.
Below with specific example of formulations to be further described the present invention, but the present invention be only limited to absolutely not it is following
These embodiments.Percentage is weight percentage in formula.
Embodiment 3：30% trifluoro-benzene pyrimidine dimehypo wettable powder
Embodiment 4：The 40% solvable pulvis of trifluoro-benzene pyrimidine dimehypo
Embodiment 5：60% trifluoro-benzene pyrimidine dimehypo suspending agent
Embodiment 6：5% trifluoro-benzene pyrimidine Dimehypo Fg
Embodiment 7：20% trifluoro-benzene pyrimidine dimehypo water solution
Embodiment 8：20% trifluoro-benzene pyrimidine dimehypo water dispersible granules
By six embodiments of the above made from dimehypo and the various different ratios of trifluoro-benzene pyrimidine, carry out preventing and treating paddy rice two and change
Snout moth's larva and the field control effectiveness test of planthopper, while passing through the effect with 10% trifluoro-benzene pyrimidine suspending agent, 29% dimehypo water solution
Synergistic effect after contrast, checking compounding.Test site is Jiangsu Province Xiangshui County, and the time is September in 2016 3, experiment totally eight
Individual processing, each three repetitions of processing, cell random alignment, plot area 9*5m2, the planting habits of all cells with locality
Planting habit it is identical.
Investigation standard is：By 5 point samplings, random 5 points of samplings per cell, every is investigated 5 clumps, totally 25 clumps.In before dispenser
With the 1st after dispenser, the quantity of 7,15 days Chilo spp larvaes for investigating the 25 clumps of paddy rice respectively and planthopper adult, carry out detailed note
Record, calculates prevention effect.Specific data (data are the average value of three repetitions) are as follows：
Table 3：Dimehypo, trifluoro-benzene pyrimidine single dose and complex preparation are tried the field efficacy of rice-stem borer, planthopper
Test result
As can be seen from the above data, under using identical effective ingredient dosage, trifluoro-benzene pyrimidine is different with dimehypo
After proportioning compounding, to have apparently higher than two kinds of single doses, all formulas to the integrated control effect of rice-stem borer and planthopper
Obvious synergistic effect.When dimehypo content is high in formula, the prevention effect to striped rice borer is preferable, and the preventing and treating to planthopper is imitated
Really more relatively poor, when trifluoro-benzene pyrimidine content is high in formula, the prevention effect to striped rice borer is declined slightly, but rice is flown
The prevention effect of lice is preferable.This result also truly reflects the characteristic of the two medicaments.Find out from upper table data, complex preparation
The preventive effect of 7 days is higher than the preventive effect that the preventive effect of 15 days after the preventive effect of 1 day after medicine, medicine is slightly less than 7 days after medicine after medicine.With single dose phase
Than complex preparation expands insecticidal spectrum, extends the lasting period, reduces times for spraying, saves recruitment, alleviates peasant's work
Intensity, reduces peasant's drug cost.
Claims (10)
1. a kind of Pesticidal combination containing trifluoro-benzene pyrimidine and dimehypo, it is characterised in that said composition contains active component three
Fluorobenzene pyrimidine and dimehypo, the wherein mass ratio of trifluoro-benzene pyrimidine and dimehypo are 1：(1~50).
2. composition according to claim 1, it is characterised in that the quality of trifluoro-benzene pyrimidine and dimehypo in said composition
Than for 1：(2~40).
3. composition according to claim 2, it is characterised in that the quality of trifluoro-benzene pyrimidine and dimehypo in said composition
Than for 1：(2~30).
4. composition according to claim 3, it is characterised in that the quality of trifluoro-benzene pyrimidine and dimehypo in said composition
Than for 1：(10~30).
5. composition according to claim 1, it is characterised in that active component trifluoro-benzene pyrimidine and desinsection in said composition
Double mass contents is 5~90%.
6. composition according to claim 5, it is characterised in that active component trifluoro-benzene pyrimidine and desinsection in said composition
Double mass contents is 5~60%.
7. composition according to claim 1, it is characterised in that said composition is using trifluoro-benzene pyrimidine and dimehypo as activity
Composition, is equipped with insecticides adjuvant, and acceptable formulation on agricultural chemicals is made.
8. composition according to claim 7, it is characterised in that the formulation is selected from solvable pulvis, wettable powder or water
Dispersible granule, suspending agent etc..
9. the composition described in claim 1 is in terms of preventing and treating lepidoptera pest and perverse suction mouthpart insect are to murrain
Using.
10. the composition described in claim 1 is in preventing and treating striped rice borer and planthopper to the application in terms of murrain.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665415A (en) * | 2009-08-05 | 2012-09-12 | 杜邦公司 | Mixtures of mesoionic pesticides |
| CN103459387A (en) * | 2010-12-29 | 2013-12-18 | 杜邦公司 | Mesoionic pyrido [1,2 -A] pyrimidine pesticides |
| CN104509534A (en) * | 2013-09-27 | 2015-04-15 | 陕西韦尔奇作物保护有限公司 | Insect disinfestation composition containing trifluorobenzene pyrimidine and nereistoxin |
-
2017
- 2017-06-16 CN CN201710454932.7A patent/CN107156151A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665415A (en) * | 2009-08-05 | 2012-09-12 | 杜邦公司 | Mixtures of mesoionic pesticides |
| CN103459387A (en) * | 2010-12-29 | 2013-12-18 | 杜邦公司 | Mesoionic pyrido [1,2 -A] pyrimidine pesticides |
| CN104509534A (en) * | 2013-09-27 | 2015-04-15 | 陕西韦尔奇作物保护有限公司 | Insect disinfestation composition containing trifluorobenzene pyrimidine and nereistoxin |
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