CN107333764A - Pesticidal combination containing fluorine pyrrole furanone and bensultap - Google Patents
Pesticidal combination containing fluorine pyrrole furanone and bensultap Download PDFInfo
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- CN107333764A CN107333764A CN201710479378.8A CN201710479378A CN107333764A CN 107333764 A CN107333764 A CN 107333764A CN 201710479378 A CN201710479378 A CN 201710479378A CN 107333764 A CN107333764 A CN 107333764A
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- bensultap
- fluorine pyrrole
- pyrrole furanone
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- rice
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N41/04—Sulfonic acids; Derivatives thereof
- A01N41/08—Sulfonic acid halides; alpha-Hydroxy-sulfonic acids; Amino-sulfonic acids; Thiosulfonic acids; Derivatives thereof
Abstract
The invention discloses a kind of Pesticidal combination containing fluorine pyrrole furanone and bensultap, said composition contains active component fluorine pyrrole furanone and bensultap, and the wherein mass ratio of fluorine pyrrole furanone and bensultap is 1：(1~60).The Pesticidal combination of the present invention is on the basis of original preventive effect is kept, also with synergistic effect；Insecticidal spectrum is not only expanded, and insect can be delayed to develop immunity to drugs medicament.The price of fluorine pyrrole furanone is far above bensultap, and the present invention compounds bensultap and a small amount of fluorine pyrrole furanone, and its insecticidal effect reduces production cost apparently higher than alone fluorine pyrrole furanone or bensultap, alleviates the financial burden of peasant.
Description
Technical field
The invention belongs to pesticide field, and in particular to a kind of killing containing active component fluorine pyrrole furanone and bensultap simultaneously
Worm composition.
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 AVM and Cupric sulfate, imidacloprid and Cupric sulfate, chlopyrifos and Cupric sulfate, Buprofezin with
The agricultural chemicals of the compoundings such as Cupric sulfate is applied in agricultural production.
Rice is China's staple food crop, and the snout moth's larva of rice and planthopper are the primary pests in Rice Cropping, wherein again
With rice leaf roller, striped rice borer and brown paddy plant hopper, white backed planthopper harm for very.
Rice leaf roller (Cnaphalocrocis medinalis Guenee) be China rice producing region primary pest it
One, it is distributed widely in each rice region.It is caused harm rice with larva, is sewed leaf into vertical bud, hide wherein feeding epicuticle and mesophyll, is only stayed
White lower epidermis.Seedling stage aggrieved influence rice normal growth, in addition it is withered；Tillering stage to the jointing stage is aggrieved, and tiller is reduced, plant
Shorten, breeding time postpones；Particularly heading is killed to full heading time sword-like leave after booting, influences to blossom and bear fruit, and Empty grain rate improves, thousand
Decline again.General underproduction 2-3 is into, weight up to more than 5 one-tenth, and big rice leaf when occurring is a piece of withered white, or even No kernels or seeds are gathered, as in a year of scarcity.
Rice leaf roller is a kind of migratory pest, and from north, 1~11 generation occurred for south-year；Rice leaf roller was from 2003
Since national break out occurs for China, higher level has been maintained always, year, occurring area was more than 300,000,000 mu times.Show as：Peak
Secondary increase, it is main to move peak increase；Occurrence scope expands, area increase；Field generations are overlapping serious, harm time length；The south of the River, the Changjiang river
Middle and lower reaches, southwest-northeast portion are retransmitted year after year.
Rice hoppers (rice planthopper) belong to Homoptera Delphacidae.Hazard rice mainly has brown paddy plant hopper, white
Three kinds of backward flight lice and small brown rice planthopper.It is brown paddy plant hopper and white backed planthopper to endanger 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 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 is outer, and spawning can also stab plant, destroy conducting tissue, hinder nutriment transport and transmitted virus disease.
At present, the compounded pesticides various types of the snout moth's larva of rice and plant hopper are prevented and treated, mainly have to planthopper prevention effect compared with
Formula of the good imidacloprid, Acetamiprid with preventing and treating the pesticide compositionals such as the preferable Cupric sulfate of snout moth's larva effect, Hostathion.
However, because the resistance of nicotinoids agricultural chemicals such as imidacloprid, Acetamiprid increases quickly, with the accumulation of usage time,
Prevention effect constantly declines, and mu dosage dramatically increases, and not only increases and controls worm cost, and has aggravated the influence to environment.
Particularly imidacloprid, Acetamiprid not only have resistance, but also the bee colony to propagating pollen in nature is killed sternly
Weight, therefore reduce the bee colony in nature and propagate plant pollen, the breeding chain of plant in nature is blocked, to life naturally
State diversity causes serious threat.Therefore can imidacloprid can be continuing with, and be produced in agricultural management department and agricultural chemicals administrative department
Heated argument is given birth to.EFSA (EFSA) issues a public proclamation title, will reset the nicotinoids such as imidacloprid, Acetamiprid
The toxicity criterion of agricultural chemicals.Canadian pest control management organization (PMRA) is by the ambient wind of nicotinic insecticide imidacloprid
Again evaluated danger.Environmental Protection Agency began to open to the progress review of nicotinic insecticide imidacloprid early in 2009.Bar
Western Environmental Protection Administration (IBAMA) will also reappraise nicotinic insecticide imidacloprid.
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 has the significant Pesticidal combination of synergistic effect again.
The purpose of the present invention can be reached by following measures：
A kind of Pesticidal combination containing fluorine pyrrole furanone and bensultap, said composition contain active component fluorine pyrrole furanone
And bensultap, the wherein mass ratio of fluorine pyrrole furanone and bensultap is 1：(1~60).
The proportioning of fluorine pyrrole furanone and bensultap in the present composition can be according to specifically using situation in zone of reasonableness
Inside it is adjusted, such as fluorine pyrrole furanone and the weight ratio both bensultap are 1：(1~60), 1：(1~50), 1：(1~40),
1：(1~30), 1：(2~60), 1：(2~55), 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、1：45、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 fluorine pyrrole furanone and bensultap can be 1~90%, preferably 5 in the present composition
~90%, further preferred 5~80%.
The composition of the present invention can be equipped with insecticides adjuvant, with ability using fluorine pyrrole furanone and bensultap as active component
Method known to technical staff in domain, acceptable formulation on agricultural chemicals is made, including wettable powder, solvable pulvis, moisture dissipate
Granula, granule, suspending agent, oil-suspending agent, suspension emulsion, aqueous emulsion, microemulsion, finish or missible oil, preferably solvable pulvis,
Wettable powder, water dispersible granules, granule, aqueous emulsion, suspending agent.
This Pesticidal combination containing fluorine pyrrole furanone and bensultap can be applied to prevent and treat lepidoptera pest and perverse suction mouth
Device insect is in terms of crop pests, being especially applicable in terms of preventing and treating the harm of the snout moth's larva of rice and plant hopper to crops.
Fluorine pyrrole furanone (flupyradifurone) is new butenolide class compound, has brand-new chemical constitution,
The mechanism of action is novel, low to honeybee toxicity, available for many crops, effectively prevents and treats main sucking pest, is that insect resists
Property administer important tool.Fluorine pyrrole furanone had both been accomplished quick, efficient and friendly to environment when preventing and treating sucking pest
Good, toxicity is low.Especially fluorine pyrrole furanone is safe to honeybee, overcomes the critical defect of the bionical insecticide of anabasine, therefore,
Fluorine pyrrole furanone future market Worth Expecting.
Fluorine pyrrole furanone can be used for many crops, such as rice, wheat, corn, sorghum, vegetables, fruit tree, coffee, cocoa
Crop, sucking pest such as plant hopper, aphid, aleyrodid, wood louse, leafhopper, scale insect, beetle, leaf mining are prevented and treated with high selectivity
Fly, mealybug, soft a red-spotted lizard, diaphorina citri, weevil and thrips etc..It is all effective to all growth periods including larva and adult.
Formulation rate is：50~100g a.i./hm2.It is especially good to resist the insect effect of anabasine insecticide, and to honeybee safety, and
Contribute to plant growth, improve crop quality.
Bensultap, English name are：bensultap.It is the high-end kind of nereistoxin and similar bionic pesticide, is killed for selectivity
Worm agent, every mu with 40 grams of active ingredient, you can effectively prevents and kill off rice grub.Its mechanism of action is bensultap intrusion insect nerve
The joint portion of cell, block the acetylcholine secreted by previous nerve cell and be communicated to latter nerve cell, so that nerve is thin
The disconnected contact of the embarrassment of fetus, makes insect neural paralysis, it is impossible to nibble food, it is impossible to takes action, stops development, so that dead.Bensultap have stomach toxicity,
Action of contace poison, can be conducted after being absorbed by plants to apical meristem, insect chews suck after be poisoned and dead.Suitable for rice, jade
The crops such as rice, veterinary antibiotics, be mainly used in preventing and treating Lepidoptera and coleopteran pest, as striped rice borer, yellow rice borer, rice leaf roller,
Corn borer, chilo infuscatellus, European red mite, pear leaf worm, citrus leaf-miner, colorado potato bug, cabbage caterpillar, diamondback moth etc., holding effect
Phase is 7~14 days.Bensultap is less toxic to birds, nontoxic to natural enemies such as spiders, small to environmental organism lethality.
In summary, both medicaments are all safe and environment-friendly type agricultural chemicals, but two kinds of medicament lists of fluorine pyrrole furanone and bensultap
Respectively there are advantage and disadvantage when solely using, as bensultap is good to lepidoptera pest such as striped rice borer, yellow rice borer, rice leaf roller effect, to rice
The perverse suction mouthpart insect effect such as plant hopper is poor, and fluorine pyrrole furanone to sucking pest as planthopper etc. show it is excellent
Prevention effect, but it is poor to lepidoptera pest prevention effect.
It is active ingredient using fluorine pyrrole furanone and bensultap, the different ratio stated according to the present invention, with this area
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, the various formulations of pesticide can be processed into.
The Pesticidal combination containing fluorine pyrrole furanone and bensultap 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 grown, and resistance increases slow；3rd, it is less toxic, low-residual,
It is environmentally safe；4th, using compound formulation, the dosage of two kinds of insecticides during single use than reducing, so as to improve desinsection effect
Fruit, security is added, reduce use cost, reduce environmental pollution.
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：Fluorine pyrrole furanone determines with bensultap different ratio to the co-toxicity coefficient of paddy rice rice leaf roller
In order to confirm fluorine pyrrole furanone and bensultap mixture, be with synergistic effect, summation action or antagonism, I
Recipe determination research has been carried out to fluorine pyrrole furanone and bensultap first, by the object of indoor biometricses be set to China's rice give birth to
The rice leaf roller of most serious is endangered in production, specific measure situation and result are as follows：
Reported according to data, the recommended dose of fluorine pyrrole furanone preventing and treating planthopper is 5-6 grams of effective ingredient/mu, bensultap
The recommended dose for preventing and treating paddy rice rice leaf roller is 40 grams of effective ingredient/mus, and on this basis, experimental design proportioning is 1: 1,1:
2,1: 5,1: 10,1: 20,1: 30,1: 40,1: 50,1: 60, totally 9 processing, separately set fluorine pyrrole furanone, at two single doses of bensultap
Reason.
Experiment medication uses fluorine pyrrole furanone active compound and bensultap active compound, is dissolved active compound using solvent, according to setting
Matched proportion density, it is standby to be configured to required concentration liquid.
Indoor biometricses method is：Using capillary micro intravenous drip method.Decoction is indulged by head drop in rice with micro intravenous drip device
The back side of the instar larvae of leaf roll snout moth's larva 3, each concentration handle the larva of 30 or so, and every 5 larvas are put into a diameter of 9cm training
Ware is supported, a small amount of feed built in ware supplies feeding, and another be used as by the use of 30 larvas of acetone drop compares.Larva after processing is still placed on feeding
Interior is supported, the death rate is checked after 48h.Data are handled with SPSS software statistics.Obtain toxicity regression formula, the lethal concentration of 50, correlation
Coefficient 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.
It is 78.32 μ g/mL to the lethal concentration of 50 of rice leaf roller that experiment, which determines fluorine pyrrole furanone, and bensultap is indulged rice
The lethal concentration of 50 of leaf roll snout moth's larva is 6.42 μ g/mL.Bensultap is set to the toxicity index of rice leaf roller as 100, then fluorine pyrrole furan
Ketone of muttering is 8.20 to the toxicity index of rice leaf roller.The toxicity index of variant proportioning processing rice leaf roller, co-toxicity coefficient
It is shown in Table 1.
Table 1：Fluorine pyrrole furanone, bensultap different ratio are to the toxicity test result of rice leaf roller
Above-mentioned data result is analyzed to show, when fluorine pyrrole furanone is compounded with bensultap by above-mentioned different proportion, the compounding
Formula is 1:1-1:Co-toxicity coefficient when 60 is all higher than 120, shows to be respectively provided with synergistic effect.Illustrate two kinds of effective part compoundings
Afterwards, there can be preferable synergistic effect.When the ratio of fluorine pyrrole furanone and bensultap is 1: 10,1：When 20, co-toxicity coefficient reaches
More than 200, wherein the ratio of fluorine pyrrole furanone and bensultap be 1: 10 when, co-toxicity coefficient reaches 257, in all formulas most
Height, synergistic effect are the most notable.
Embodiment 2：Fluorine pyrrole furanone determines with bensultap different ratio to the co-toxicity coefficient of rice hoppers
In order to confirm that fluorine pyrrole furanone, to perverse suction mouthpart insect, is with synergistic effect, is added and makees with bensultap mixture
With still antagonism, we with above fluorine pyrrole furanone and 9 formulas of bensultap mixture, are carried out to rice hoppers again
Toxicity Determination.From rice hoppers 3 age nymph, assay method uses infusion process.
Test worm is put into the funnel rolled well with filter paper, with liquid-transfering gun take as above decoction 3mL in funnel, test worm is existed
Kept for 30 seconds in decoction, 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 of appropriate water content (about 18%) and fresh rice leaf, 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 7.22 μ g/mL to the lethal concentration of 50 of planthopper that experiment, which determines fluorine pyrrole furanone, and bensultap is to planthopper
The lethal concentration of 50 is 49.83 μ g/mL, sets fluorine pyrrole furanone to the toxicity index of planthopper as 100, then bensultap is to planthopper
Toxicity index be 14.49..Variant proportioning handles the toxicity index to planthopper, co-toxicity coefficient is shown in Table 2：
Table 2：Fluorine pyrrole furanone, bensultap different ratio are to the Toxicity Determination results of rice hoppers
From table 2 it can be seen that fluorine pyrrole furanone and bensultap mixture 1:1-1:Have to rice hoppers 3 age nymph when 60
Synergistic effect.When wherein fluorine pyrrole furanone and bensultap weight ratio are 1: 10, co-toxicity coefficient reaches 195.78, and synergistic effect is the most
Significantly.
The toxicity test result data of the table of summary two, fluorine pyrrole furanone and bensultap different proportion mixture, when both
When ratio is 1: 1 to 1: 60, synergistic effect is respectively provided with to paddy rice rice leaf roller and planthopper, wherein 1：10、1：20 proportioning
Synergistic effect it is the most notable.The present invention is not merely to reduce Pesticide use amount, it is often more important that expands insecticidal spectrum, accomplishes
Dispenser, various pests are simultaneous to be controlled, and saves agriculture sheet, mitigates the labor intensity of peasant.
For this, we have carried out trial-manufacture of sample from following proportioning, and have carried out the test of pesticide effectiveness.
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 3：40% fluorine pyrrole furanone bensultap wettable powder
Embodiment 4：The 50% solvable pulvis of fluorine pyrrole furanone bensultap
Embodiment 5：80% fluorine pyrrole furanone bensultap water dispersible granules
Embodiment 6：6% fluorine pyrrole furanone bensultap granule
Embodiment 7：20% fluorine pyrrole furanone bensultap aqueous emulsion
Embodiment 8：30% fluorine pyrrole furanone bensultap suspending agent
By six embodiments of the above made from fluorine pyrrole furanone and the various different ratios of bensultap, carry out preventing and treating rice rice and indulge
Leaf roll snout moth's larva and the field control effectiveness test of planthopper, while by solvable with 17% fluorine pyrrole furanone soluble concentrate, 50% bensultap
The Contrast on effect of pulvis, verify the synergistic effect after compounding.Test site is Nanjing, and the time is August 28 in 2016
Day, experiment totally eight processing, each handle three repetitions, cell random alignment, plot area 9*5m2, the plantation of all cells
Custom is identical with the planting habit of locality.
Investigation standard is：By 5 point samplings, random 5 points of samplings per cell, every is investigated 5 clumps, totally 25 clumps.Before dispenser
With the 1st, 7,15 day after the dispenser rice leaf roller larvae for investigating the 25 clumps of rice respectively and the quantity of planthopper nymph, carry out in detail
Record, calculate prevention effect.Specific data (data are the average value of three repetitions) are shown in Table 3.
Table 3：Fluorine pyrrole furanone, bensultap single dose and complex preparation are to paddy rice rice leaf roller, the field medicine of planthopper
Imitate result of the test
As can be seen from the above data, after fluorine pyrrole furanone and bensultap different ratio compound, although making in unit area
Effective ingredient dose degradation, but will be apparently higher than two kinds of lists to the integrated control effect of paddy rice rice leaf roller and planthopper
Agent, all formulas have obvious synergistic effect.When bensultap content is high in formula, to the prevention effect of rice leaf roller compared with
It is good, it is more relatively poor to the prevention effect of planthopper, when fluorine pyrrole furanone content is high in formula, rice leaf roller is prevented
Effect is controlled to be declined slightly, but it is preferable to the prevention effect of planthopper.This result also truly reflects the characteristic of the two medicaments.
Find out from upper table data, complex preparation preventive effect of 7 days after medicine is higher than the preventive effect of 1 day after medicine, and the preventive effect of 15 days is lower slightly after medicine
The preventive effect of 7 days after medicine.Compared with single dose, the preventive effect of complex preparation is improved.In summary, complex preparation expands desinsection
Spectrum, extends the lasting period, reduces times for spraying, save recruitment, alleviate peasant's labor intensity, reduce dosage, drops
Low peasant's drug cost.
Claims (10)
1. a kind of Pesticidal combination containing fluorine pyrrole furanone and bensultap, it is characterised in that said composition contains active component fluorine
Pyrrole furanone and bensultap, the wherein mass ratio of fluorine pyrrole furanone and bensultap are 1：(1~60).
2. composition according to claim 1, it is characterised in that the quality of fluorine pyrrole furanone and bensultap in said composition
Than for 1：(1~50).
3. composition according to claim 2, it is characterised in that the quality of fluorine pyrrole furanone and bensultap in said composition
Than for 1：(2~50).
4. composition according to claim 3, it is characterised in that the quality of fluorine pyrrole furanone and bensultap in said composition
Than for 1：(5~50).
5. composition according to claim 1, it is characterised in that active component fluorine pyrrole furanone and desinsection in said composition
The mass content of sulphur is 1~90%.
6. composition according to claim 5, it is characterised in that active component fluorine pyrrole furanone and desinsection in said composition
The mass content of sulphur is 5~80%.
7. composition according to claim 1, it is characterised in that said composition is using fluorine pyrrole furanone and bensultap as activity
Composition, insecticides adjuvant is equipped with, acceptable formulation on agricultural chemicals is made.
8. composition according to claim 7, it is characterised in that the formulation is selected from wettable powder, solvable pulvis, water
Dispersible granule, granule, suspending agent, oil-suspending agent, suspension emulsion, aqueous emulsion, microemulsion, finish or missible oil.
9. the composition described in claim 1 is in terms of preventing and treating lepidoptera pest and perverse suction mouthpart insect are to crop pests
Using.
10. the composition described in claim 1 is in the preventing and treating snout moth's larva of rice and plant hopper to the application in terms of murrain.
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Non-Patent Citations (2)
| Title |
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| 刘长令: "《世界农药大全(杀虫剂卷)》", 31 May 2012 * |
| 韩醴: "从分子结构角度解析氟吡呋喃酮及其新颖的丁烯酸内酯药效团", 《世界农药》 * |
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