CN107333764B - Pesticidal combination containing fluorine pyrrole furanone and bensultap - Google Patents
Pesticidal combination containing fluorine pyrrole furanone and bensultap Download PDFInfo
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- CN107333764B CN107333764B CN201710479378.8A CN201710479378A CN107333764B CN 107333764 B CN107333764 B CN 107333764B CN 201710479378 A CN201710479378 A CN 201710479378A CN 107333764 B CN107333764 B CN 107333764B
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- bensultap
- fluorine pyrrole
- pyrrole furanone
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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
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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
- A01N41/04—Sulfonic acids; Derivatives thereof
- A01N41/08—Sulfonic acid halides; alpha-Hydroxy-sulfonic acids; Amino-sulfonic acids; Thiosulfonic acids; Derivatives thereof
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Abstract
The invention discloses a kind of Pesticidal combination containing fluorine pyrrole furanone and bensultap, the composition contain active constituent fluorine pyrrole furanone and bensultap, and wherein the mass ratio of fluorine pyrrole furanone and bensultap is 1:(1~60).Pesticidal combination of the invention also has synergistic effect on the basis of keeping original preventive effect；Insecticidal spectrum is not only expanded, but also pest can be delayed to develop drug resistance medicament.The price of fluorine pyrrole furanone is much higher than bensultap, and the present invention compounds bensultap with a small amount of fluorine pyrrole furanone, and insecticidal effect, which is apparently higher than, is applied alone fluorine pyrrole furanone or bensultap, and reduces production cost, alleviates the financial burden of peasant.
Description
Technical field
The invention belongs to pesticide fields, and in particular to a kind of killing containing active constituent fluorine pyrrole furanone and bensultap simultaneously
Worm composition.
Background technique
In recent years, scientific compounding is carried out with two or more insecticide, to expand insecticidal spectrum or improve anti-
Effect is controlled, is found broad application.As avermectin and Cupric sulfate, imidacloprid and Cupric sulfate, chlopyrifos and Cupric sulfate, Buprofezin with
The pesticide 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, sews leaf into vertical bud, hide wherein feeding epicuticle and mesophyll only stay
White lower epidermis.Seedling stage aggrieved influence rice normal growth or even withered；Tillering stage to the jointing stage is aggrieved, and tiller is reduced, plant
Shorten, breeding time postpones；Especially heading is killed to full heading time sword-like leave after booting, influences to blossom and bear fruit, and Empty grain rate improves, and thousand
Decline again.General underproduction 2-3 is at, weight up to 5 one-tenth or more, 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, from north and 1~11 generation of south-Nian Fasheng；Rice leaf roller was from 2003
Since national break out occurs for China, higher level has been maintained always, year, occurring area was at 300,000,000 mu times or more.Show themselves in that peak
Secondary increase, it is main to move peak increase；Occurrence scope expands, and area increases；Field generations overlapping is serious, and harm time is long；Jiangnan, 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
Backward flight lice and three kinds of small brown rice planthopper.Endangering heavier is brown paddy plant hopper and white backed planthopper, early rice early period based on white backed planthopper, the later period with
Based on brown paddy plant hopper；Middle late rice is based on brown paddy plant hopper.
Planthopper causes harm to rice, removes direct piercing and sucking juice, makes growth retardation, and rice clump is agglomerating withered when serious, even
The complete dead stalk lodging in field is outer, and oviposition can also stab plant, destroy conducting tissue, interfere nutriment transport and transmitted virus disease.
Currently, prevention and treatment the snout moth's larva of rice and plant hopper compounded pesticides various types, mainly have to planthopper control efficiency compared with
Good imidacloprid, Acetamiprid and the formula for preventing and treating the pesticide compositionals such as the preferable Cupric sulfate of snout moth's larva effect, Hostathion.
However, since the resistance of nicotinoids pesticide such as imidacloprid, Acetamiprid increases quickly, with the accumulation of usage time,
Control efficiency constantly declines, and mu dosage dramatically increases, and not only increases and controls worm cost, and has aggravated the influence to environment.
Especially imidacloprid, Acetamiprid not only have resistance, but also kill to the bee colony for propagating pollen in nature tight
Weight, therefore reduce the bee colony in nature and propagate plant pollen, the breeding chain of plant in nature is blocked, to naturally raw
State diversity causes to seriously threaten.Therefore can imidacloprid can continue to use, and produce in agricultural management department and pesticide administrative department
Heated argument is given birth to.European Food Safety Authority (EFSA) issues a public proclamation title, will reset the nicotinoids such as imidacloprid, Acetamiprid
The toxicity criterion of pesticide.Canadian pest control management organization (PMRA) is by the ambient wind to nicotinic insecticide imidacloprid
Again it is 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.
Summary of the invention
The purpose of the invention is to overcome or pest is delayed to develop drug resistance, expand pest control spectrum, accomplishes primary
Application, simultaneous to control various pests, provide a kind of insecticidal spectrum extensively has the significant Pesticidal combination of synergistic effect again.
The purpose of the present invention can be achieved by the following measures:
A kind of Pesticidal combination containing fluorine pyrrole furanone and bensultap, the composition contain active constituent fluorine pyrrole furanone
And bensultap, wherein the mass ratio of fluorine pyrrole furanone and bensultap is 1:(1~60).
The proportion of fluorine pyrrole furanone and bensultap in the present composition can be according to specific application situation in zone of reasonableness
Inside be adjusted, such as the weight ratio of both fluorine pyrrole furanone and bensultap is 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 embodiments, 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 effective component fluorine pyrrole furanone and bensultap can be 1~90%, preferably 5 in the present composition
~90%, further preferred 5~80%.
Composition of the invention can be equipped with insecticides adjuvant, using fluorine pyrrole furanone and bensultap as active constituent with ability
Dosage form pesticide-acceptable, including wettable powder, solvable pulvis, water dispersion is made in method well known to technical staff in domain
Granula, granule, suspending agent, oil-suspending agent, suspoemulsion, 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 prevention and treatment lepidoptera pest and perverse suction mouth
Device pest is to the harm aspect in terms of crop pests, being especially applied to prevent and treat the snout moth's larva of rice and plant hopper to crops.
Fluorine pyrrole furanone (flupyradifurone) is novel butenolide class compound, has completely new chemical structure,
The mechanism of action is novel, low to honeybee toxicity, can be used for many crops, effectively prevents main sucking pest, is that pest is anti-
Property administer important tool.Fluorine pyrrole furanone had not only been accomplished quick, efficient but also friendly to environment when preventing and treating sucking pest
Good, toxicity is low.Especially fluorine pyrrole furanone overcomes the critical defect of the bionical insecticide of anabasine to honeybee safety, therefore,
Fluorine pyrrole furanone future market is worthy of expecting.
Fluorine pyrrole furanone can be used for many crops, such as rice, wheat, corn, sorghum, vegetables, fruit tree, coffee, cocoa
Crop prevents and treats sucking pest such as plant hopper, aphid, aleyrodid, wood louse, leafhopper, scale insect, beetle, leaf mining 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 are as follows: 50~100g a.i./hm2.The pest effect for fighting anabasine insecticide is especially good, and to honeybee safety, and
Facilitate plant growth, improves crop quality.
Bensultap, English name are as follows: bensultap.It is the high-end kind of nereistoxin and similar bionic pesticide, is killed for selectivity
Worm agent uses 40 grams of effective component per acre, can effectively prevent and kill off rice grub.Its mechanism of action is that bensultap invades insect nerve
The engaging portion of cell blocks acetylcholine secreted by previous nerve cell and is communicated to latter nerve cell, to make neural thin
The disconnected contact of the embarrassment of fetus, makes insect neural paralysis, cannot nibble food, cannot take action, stop development, so that dead.Bensultap have stomach toxicity,
Action of contace poison can conduct after being absorbed by plants to apical meristem, and insect chewing is poisoned and dead after sucking.Suitable for rice, jade
The crops such as rice, veterinary antibiotics are mainly used for 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 conclusion both medicaments are all safe and environment-friendly type pesticides, but two kinds of medicament lists of fluorine pyrrole furanone and bensultap
Respectively there are advantage and disadvantage when solely using, if 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 sucking pest such as planthopper etc. is shown it is excellent
Control efficiency, but it is poor to lepidoptera pest control efficiency.
It is active ingredient using fluorine pyrrole furanone and bensultap, according to the different ratio that the present invention is stated, with this field
The processing insecticides adjuvant of the formulations of pesticide well known to interior technical staff, with formulations of pesticide processing side known to those skilled in the art
Method can be processed into the various formulations of pesticide.
Pesticidal combination containing fluorine pyrrole furanone and bensultap of the invention has the advantage that be with beneficial effect: 1,
Insecticidal range is expanded, accomplishes once to be administered, various pests are simultaneous to be controlled；2, the lasting period is long, and resistance increases slow；3, less toxic, low-residual,
It is environmentally safe；4, using compound formulation, the dosage of two kinds of insecticides when single use than reducing, to improve desinsection effect
Fruit increases safety, reduces use cost, reduces environmental pollution.
Specific embodiment
Come that the present invention is furture elucidated below by the detailed description of specific embodiment, but is not to limit of the invention
System, only illustrates.
Embodiment 1: fluorine pyrrole furanone and bensultap different ratio measure 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, the object of indoor biometrics is set to raw in China's rice
The rice leaf roller of most serious is endangered in production, specific measurement situation and result are as follows:
It is reported according to data, the recommended dose that fluorine pyrrole furanone prevents and treats 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 proportion 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.
It tests medication and uses fluorine pyrrole furanone raw medicine and bensultap raw medicine, dissolved raw medicine using solvent, according to setting
It is spare to be configured to required concentration liquid for matched proportion density.
Indoor biometrics method are as follows: use capillary micro intravenous drip method.Medical fluid is indulged by head drop in rice with micro intravenous drip device
The back side of 3 instar larvae of leaf roll snout moth's larva, each concentration handle 30 or so larvas, and every 5 larvas are put into the training that a diameter is 9cm
Ware is supported, a small amount of feed separately uses 30 larvas of acetone drop as control for feeding built in ware.Larva after processing is still placed on feeding
Interior is supported, checks the death rate after 48h.Data are handled with SPSS software statistics.Find out virulence regression equation, the lethal concentration of 50, correlation
Coefficient etc., and co-toxicity coefficient is found out with Sun Yunpei's Method.
The co-toxicity of mixture preparation is indicated using the co-toxicity coefficient method of Sun Yunpei:
Theoretical toxicity index TTI=Σ (medicine effective ingredient of the toxicity index ATI of certain medicine × in mixture of mixture preparation
Percentage).
Synergistic effect judgment criteria after two kinds of effective ingredient compoundings:
It is synergistic effect when CTC is greater than 120, is antagonism when 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 test, which determines fluorine pyrrole furanone, and bensultap is vertical to 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 proportion 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
When analyzing above-mentioned data result and showing that fluorine pyrrole furanone is compounded with bensultap by above-mentioned different proportion, the compounding
It is formulated the co-toxicity coefficient in 1:1-1:60 and is all larger than 120, show to all have 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: 10,1:20, co-toxicity coefficient reaches
200 or more, 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 significant.
Embodiment 2: fluorine pyrrole furanone and bensultap different ratio measure the co-toxicity coefficient of rice hoppers
In order to confirm fluorine pyrrole furanone and bensultap mixture to perverse suction mouthpart insect, it is with synergistic effect, is added and makees
With still antagonism, we with 9 formulas of the above fluorine pyrrole furanone and bensultap mixture, carry out rice hoppers again
Indoor toxicity test.3 age of rice hoppers nymph is selected, measuring method uses infusion process.
Test worm is put into the funnel rolled well with filter paper, is taken in medical fluid 3mL to funnel as above with liquid-transfering gun, test worm is made to exist
Kept for 30 seconds in medical fluid, be put in after taking-up on filter paper and suck extra medical fluid, 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%), rubber plug is beyond the Great Wall to prevent the worm from escaping
Ease.Test worm death condition is investigated after 5 days, death standard touches polypide with writing brush for those of skill in the art, and it is motionless, or cannot 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 test, 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 proportion processing is shown in Table 2 to the toxicity index of planthopper, co-toxicity coefficient:
Table 2: fluorine pyrrole furanone, bensultap different ratio are to the The Toxicity Determination results of rice hoppers
From table 2 it can be seen that having when fluorine pyrrole furanone and bensultap mixture 1:1-1:60 to rice hoppers 3 age nymph
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.
In summary the toxicity test result data of two tables, fluorine pyrrole furanone and bensultap different proportion mixture, work as the two
When ratio is 1: 1 to 1: 60, synergistic effect is all had to paddy rice rice leaf roller and planthopper, wherein the proportion of 1:10,1:20
Synergistic effect it is the most significant.The present invention is not merely to reduce Pesticide use amount, it is often more important that expands insecticidal spectrum, accomplishes
Primary application, various pests are simultaneous to be controlled, and is saved agriculture sheet, is mitigated the labor intensity of peasant.
We select following proportion to carry out trial-manufacture of sample thus, and have carried out pharmacodynamic test.
Below with specific example of formulations to present invention be described in more detail, 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
The solvable pulvis of embodiment 4:50% 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 above six embodiments made from fluorine pyrrole furanone and the various different ratios of bensultap, it is vertical to carry out prevention and treatment rice rice
The field control effectiveness test of leaf roll snout moth's larva and planthopper, while by solvable with 17% fluorine pyrrole furanone soluble concentrate, 50% bensultap
The Contrast on effect of pulvis, the synergistic effect after verifying compounding.Test site is Nanjing, and the time is August 28 in 2016
Day, test totally eight processing, three repetitions of each processing, cell random alignment, plot area 9*5m2, the plantation of all cells
Habit is identical as local planting habit.
Investigation standard are as follows: press 5 point samplings, every random 5 points of samplings of cell, investigate 5 clumps, totally 25 clumps at every.Before application
It investigated the rice leaf roller larvae of 25 clumps of rice and the quantity of planthopper nymph respectively with the 1st, 7,15 day after application, carries out in detail
Record calculates control efficiency.Specific data (data are three duplicate average values) are shown in Table 3.
Table 3: the field medicine of fluorine pyrrole furanone, bensultap single dose and compound preparation to paddy rice rice leaf roller, planthopper
Imitate test result
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 two kinds of lists will be apparently higher than to the integrated control effect of paddy rice rice leaf roller and planthopper
Agent, all formulas have apparent synergistic effect.When bensultap content is high in formula, to the control efficiency of rice leaf roller compared with
It is good, it is more relatively poor to the control efficiency of planthopper, when fluorine pyrrole furanone content is high in formula, rice leaf roller is prevented
It controls effect to be declined slightly, but preferable to the control efficiency of planthopper.This result also really reflects the characteristic of the two medicaments.
From the data in the above table, compound preparation 7 days preventive effects after medicine are higher than 1 day after medicine preventive effect, and 15 days preventive effects are slightly lower after medicine
7 days preventive effects after medicine.Compared with single dose, the preventive effect of compound preparation is improved.In conclusion compound 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 (8)
1. a kind of Pesticidal combination containing fluorine pyrrole furanone and bensultap, it is characterised in that the active constituent of the composition is by fluorine
Pyrrole furanone and bensultap composition, wherein the mass ratio of fluorine pyrrole furanone and bensultap is 1:(1~60).
2. composition according to claim 1, it is characterised in that the quality of fluorine pyrrole furanone and bensultap in the 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 the 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 the composition
Than for 1:(5~50).
5. composition according to claim 1, it is characterised in that active constituent fluorine pyrrole furanone and desinsection in the composition
The mass content of sulphur is 1~90%.
6. composition according to claim 5, it is characterised in that active constituent fluorine pyrrole furanone and desinsection in the composition
The mass content of sulphur is 5~80%.
7. composition according to claim 1, it is characterised in that the composition be made wettable powder, solvable pulvis,
Water dispersible granules, granule, suspending agent, oil-suspending agent, suspoemulsion, aqueous emulsion, microemulsion, finish or missible oil.
8. composition described in claim 1 is in the prevention and treatment snout moth's larva of rice and plant hopper to the application in terms of murrain.
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| CN110973139A (en) * | 2019-12-17 | 2020-04-10 | 中国农业科学院棉花研究所 | Compound biological insecticide for preventing and controlling agricultural pests and application technology thereof |
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| 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;韩醴;《世界农药》;20160225;9-13 |
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| CN110973139A (en) * | 2019-12-17 | 2020-04-10 | 中国农业科学院棉花研究所 | Compound biological insecticide for preventing and controlling agricultural pests and application technology thereof |
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