CN106719787A - A kind of Pesticidal combination containing trifluoro-benzene pyrimidine - Google Patents
A kind of Pesticidal combination containing trifluoro-benzene pyrimidine Download PDFInfo
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- CN106719787A CN106719787A CN201710017433.1A CN201710017433A CN106719787A CN 106719787 A CN106719787 A CN 106719787A CN 201710017433 A CN201710017433 A CN 201710017433A CN 106719787 A CN106719787 A CN 106719787A
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- Prior art keywords
- trifluoro
- phoxim
- benzene pyrimidine
- rice
- benzene
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Classifications
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
-
- 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
Abstract
The invention discloses a kind of agricultural insecticide complex composition.With trifluoro-benzene pyrimidine and phoxim as main active, wherein the mass ratio of trifluoro-benzene pyrimidine and phoxim is 50: 1~1: 50 to said composition.Trifluoro-benzene pyrimidine and phoxim total content in the composition are 10 70%.Indoor and field test shows that said composition has obvious synergistic function to rice hoppers, striped rice borer, rice leaf roller, its prevention effect is substantially better than single dose exclusive use, additionally, the two is compounded also expands the advantages of preventing and treating residual quantity general, that reduction pesticide usage amount, reduction drug cost, reduction agricultural chemicals are on crop, mitigate environmental pollution, delay pest resistance to insecticide to produce.
Description
First, technical field
The present invention relates to a kind of agriculture chemical compounding combination and application thereof, using two kinds of technologies of different type pesticide compositional come
Rice hoppers, striped rice borer, rice leaf roller are prevented and treated, belongs to new application and its application technology invention of insecticide.
2nd, technical background
Phoxim (Phoxim), chemical name：0,0- diethyl [(alpha-cyano benzylideneamino) oxygen] thiophosphate.Its
Insecticidal mechanism is the activity for suppressing the cholinesterase in pest body, destroys the normal conduction of nervous system, causes a series of nerves
System poisoning symptom, until death.Phoxim is a kind of efficient, organophosphorus insecticides of low toxicity, low-residual, with very strong
Tag, stomach poison function, without systemic action.Insecticidal spectrum is wide, knocks down power by force, has special efficacy to lepidopterous larvae.But phoxim is in illumination
Under the conditions of easily decompose, degraded is slow under the conditions of degrading under the dark condition, so during field spray, preferably being carried out in the dusk.Together
When, it is suitable for soil treatment preventing and treating subterranean pest-insect, the longevity of residure is up to the 1-2 months.Phoxim is that can be used as conventional spray, be can be used as again
Low-gallonage spraying, also may be used to dress seed, pours, pesticide-clay mixture, particle and waiting is used.
Trifluoro-benzene pyrimidine (triflumezopyrim), chemical name：2,4- dioxy -1- (5- methylpyrimidines) -3- [3- tri-
Trifluoromethylphenyl -2H- pyridos [1,2- α]] pyridinium inner salt is mesoionic insecticides.Have to various suckings pest
Good prevention effect, especially there is good preventive effect to rice hoppers.
During agricultural production, the resistance problems of agricultural pests are a global problems, and agriculture is enjoyed always
Industry scientific worker pays close attention to.Agriculturally important insect such as lepidoptera pest due to its breeding cycle it is short, breeding amount is big, mobility
Small, selfing degree is high, is particularly easy to produce resistance.With the continuity of insect pest chemical prevention, the increase of Pesticide use amount and not
The factors such as scientifical use agricultural chemicals, cause pest resistance to insecticide increasingly serious.Meanwhile, the use agricultural chemicals of high intensity result in agricultural product
The a series of problem such as residues of pesticides are exceeded, environmental pollution and peasant's drug cost increase, is unfavorable for the sustainable development of agricultural.
Different cultivars composition is compounded, and preventive effect is high for exploitation, consumption is few, and lasting period insecticide long, is to prevent and treat resistance evil
Worm common methods.In addition, the product of exploitation preventing and treating spectrum width, i.e., a kind of product can simultaneously prevent and treat the product of various insect pests, in decrement
Pest controlling is simultaneously, moreover it is possible to saving of work and time, is also the Critical policies of pest control.Heterogeneity is compounded, according to lab screening reality
Border effect come judge certain compounding proportioning be synergy, plus and or antagonism.Studied by inventor, found trifluoro-benzene
Good synergistic effect can be produced after pyrimidine and phoxim compound, and on trifluoro-benzene pyrimidine report related to phoxim compound
Road is not yet disclosed.
3rd, the content of the invention
Technical problem provides a kind of containing trifluoro-benzene pyrimidine and pungent sulphur it is a primary object of the present invention to solve the above problems
The Pesticidal combination of phosphorus, the Pesticidal combination has obvious synergistic function, is mainly used in and prevents and treats rice hoppers, rice
Leaf-roller, striped rice borer.Its technical problem underlying for solving is the effect for preventing and treating rice hoppers, striped rice borer, rice leaf roller
Significantly, insecticidal activity is high, safer environmentally friendly and can administer or delay pest resistance to insecticide problem, and tool is provided to administer rice grub
The pesticide compositional for having different mode of action compatibilities good is formulated and for Instructing manufacture practice.
Selection of technical scheme is to planthopper, striped rice borer, high and low malicious, the environmentally safe tool of rice leaf roller insecticidal activity
The binary insecticide trifluoro-benzene pyrimidine and phoxim for having the different modes of action carry out Toxicity Determination and compounded formula screening, obtain
The formula of indoor performance synergistic effect is obtained, synergistic effect is chosen and is significantly matched formula, exploitation can do formulation, for field efficacy
Experiment.
The beneficial effect present invention is indulged for long-term use single insecticide preventing and treating planthopper, striped rice borer, rice in existing production
Leaf roll snout moth's larva and insect is developed immunity to drugs, dosage increases, the problems such as cause chemical pesticide environmental pollution, with trifluoro-benzene pyrimidine
With phoxim binary built, by Toxicity Determination, trifluoro-benzene pyrimidine: phoxim 20: 1~1: 30,20: 1~1 is as a result drawn
: 20, indoor virulence activity of 30: 1~1: 20 compoundings respectively to planthopper, striped rice borer, rice leaf roller is high, there is obvious synergy
When effect, wherein trifluoro-benzene pyrimidine and phoxim proportioning are 1: 1, planthopper, striped rice borer, rice leaf roller are showed significantly
Synergistic effect, the built agent of this proportioning also shows more significant synergistic effect in field control effectiveness test.Trifluoro-benzene pyrimidine and pungent sulphur
Phosphorus built agent has the advantages that compared with single insecticide.
1. the invention belongs to the formula of binary built insecticide, with compatibility, improve and kill activity, preventing and treating rice is flown
Lice, striped rice borer, rice leaf roller have more significant synergistic effect, reduce Pesticide use amount, save Pesticide use cost,
Reduce environmental pollution and residues of pesticides.
2. the formula is the compounding of the binary insecticide of the different modes of action, long etc. excellent with efficient, wide spectrum, lasting period
Point, increased the action site to rice grub, and have inhibitory action to rice grub resistance to the action of a drug occurrence and development.
3. the insecticidal effect of the formula is significantly improved, can effective Instructing manufacture application, reduction planthopper, striped rice borer, rice
What leaf-roller was caused to Rice Production causes harm, and improves yield and quality of rice.
4th, specific embodiment and effect
(1) formula indoor screening
The present invention carries out the formula sieve of indoor compound drug with planthopper, striped rice borer, rice leaf roller as research object
Choosing.Active compound trifluoro-benzene pyrimidine to be measured, phoxim acetone solution, are configured to the mother liquor of 2000mg/L.
1. planthopper toxicity test (dipping seedling method)：The medicament water proportional diluted of preparation is configured to series concentration,
Each experiment sets 5 concentration, is processed with clear water and compared.Involve 7 age in days rice seedlings 30 in a criminal case root together in the liquid of series concentration
Middle leaching 10s, each concentration is repeated 4 times, and takes out after drip is dripped to no liquid and is placed in the disposal plastic cup for being lined with filter paper,
3 age mid-term nymphs 15 are accessed after 30min, totally 60 are often processed, then seals and use No. 3 insect needles to prick hole with preservative film.Connect
Culture cup after worm be positioned over 25 ± 1 DEG C, humidity 70 ± 10%, in the constant temperature illumination box of periodicity of illumination 16: 8h (L: D).
Inspection record survival borer population after 96h.
2. striped rice borer toxicity test (man-made feeds mixed medicine method)：The mother liquor distilled water that will have been configured is measured needed for being diluted to again
Series concentration, after being mixed with man-made feeds (formula with reference to FAO1987) respectively, choose into newly hatched larvae, often treatment sets 4 weights
It is multiple, often repeatedly 10, totally 40 test worms.Using the distilled water containing acetone as blank.Inspection result after 5d after treatment, to touch
Dynamic polypide is unable to the coordinated movement of various economic factors for death standard.
3. rice leaf roller toxicity test (dipping seedling method)：The medicament water proportional diluted of preparation is configured to series dense
Degree, each experiment sets 5 concentration, is processed with clear water and compared.Involve 7 age in days rice seedlings 30 in a criminal case root together in the medicine of series concentration
20s is soaked in liquid, each concentration is repeated 4 times, takes out after drip is dripped to no liquid and be placed in the disposal plastic cup for being lined with filter paper,
3 instar larvae of rice leaf roller 12 is accessed after 30min, totally 48 are often processed, then seals and use No. 3 insect needles to prick with preservative film
Hole.Connect the culture cup after worm be positioned over 25 ± 1 DEG C, humidity 70 ± 10%, the constant temperature illumination cultivation of periodicity of illumination 16: 8h (L: D)
In case.Inspection record survival borer population after 72h.
Data processing is carried out with DPS softwares, regression equation, LC is calculated50.The synergy of mixture is determined according to Sun Yunpei
Co-toxicity coefficient (CTC, Co-Toxicity Coefficient) is calculated with the method that Johnson (1960) is introduced.Sentenced with CTC values
The co-toxicity effect of off-drug agent, CTC≤80 show as antagonism；80 ＜ CTC ＜ 120 show as summation action；CTC≥
120 show as synergistic effect.
The trifluoro-benzene pyrimidine of table 1 and phoxim compound screen toxicity test result to planthopper formula indoor
The as shown by data of table 1, trifluoro-benzene pyrimidine and phoxim are matched at 20: 1~1: 30 to planthopper, and co-toxicity coefficient is big
In 120, illustrate that both show synergistic effect at the mixture in the range of 20: 1~1: 30.
The trifluoro-benzene pyrimidine of table 2 and phoxim compound screen toxicity test result to striped rice borer formula indoor
The as shown by data of table 2, trifluoro-benzene pyrimidine and phoxim are matched 20: 1~1 to striped rice borer: 20, co-toxicity coefficient is all higher than
120, show above proportioning performance synergistic effect.
The trifluoro-benzene pyrimidine of table 3 and phoxim compound screen toxicity test result to rice leaf roller formula indoor
The as shown by data of table 3, trifluoro-benzene pyrimidine and phoxim are matched at 30: 1~1: 20 to rice leaf roller, co-toxicity coefficient
120 are all higher than, illustrate that both show synergistic effect at the mixture in the range of 30: 1~1: 20.
(2) embodiment is prepared
The present invention is further described with reference to specific embodiment, but does not limit the invention to this tool
Body embodiment.One skilled in the art would recognize that being potentially included present invention encompasses all in Claims scope
Alternative, improvement project and equivalents.
Percentage composition is weight percentage in preparation proportioning.
Suspending agent：By deionized water, dispersant wetting agent according to formula rate, pump into and be equipped with matching somebody with somebody for high shear agitation machine
In putting kettle, stirring is opened to being completely dissolved.Active compound is added to continue to shear half an hour.Other auxiliary materials are proportionally added and is matched somebody with somebody
Put in kettle, continue to shear 45 minutes.Open two-stage to be sanded, control discharging speed, obtain suspending agent.
Embodiment：20% trifluoro-benzene pyrimidine phoxim suspending agent (active ingredient 1: 1)
Weigh 10% trifluoro-benzene pyrimidine (content 95%), 10% Phoxim original medicine (90%), 8% dispersant polycarboxylate,
4% wetting agent maleic acid fatty polyether acid, 4% antifreeze propane diols, 2% potassium sorbate preservative, 0.3% thickener xanthan
Glue, 0.5% defoamer modified silicon oil, 2.5% suspending agent aluminium-magnesium silicate, 62.7% deionized water.Slurry is made, is sanded,
Obtain product.
(3) field test
1. planthopper field test is prevented and treated
Experiment is located at Huai'an Hongze County, and experimental plot middle fertility, cultivation condition is consistent, and rice varieties are the military fortune round-grained rice of japonica rice
No. 8.Experiment sets 6 treatment altogether, and each processes 3 repetitions, totally 18 cells, 20 square metres of each plot area, each cell with
Machine is arranged.6 treatment are respectively：(1) 20% trifluoro-benzene pyrimidine phoxim suspending agent 1.6g.a.i./mu；(2) 20% trifluoros
Benzene pyrimidine phoxim suspending agent 2g.a.i./mu；(3) 20% trifluoro-benzene pyrimidine phoxim suspending agent 2.4g.a.i./mu；
(4) 10% trifluoro-benzene pyrimidine suspending agent 1.5g.a.i./mu；(5) 40% phoxim emulsifiable concentrate 50g.a.i./mu；(6) clear water control.
Test carries out dispenser in the nymph peak period of planthopper 1~2, and dispenser once (is sprayed using Singapore profit agriculture Jacto 16LITROS types
Day with fog is sprayed, and aperture ＜ 7mm, medicament does not stay raffinate), per the kg of water of cell 1.5.Radix is investigated before medicine, using parallel jump method,
Per cell, white washbowl is flutterred and looks at 10 points, every 2 cave totally 20 cave, and 5d, 10d investigate residual individuals after dispenser.Result of the test is shown in Table
4。
Drug effect computational methods：
Field control effect of the trifluoro-benzene pyrimidine phoxim suspending agent of table 4 20% to planthopper
Note：Compared using Duncan ' s duncan's new multiple range methods in DPS softwares, the level of signifiance of lowercase letter 5%.
2. striped rice borer field test is prevented and treated
Experiment is located at Huai'an Hongze County, and experimental plot middle fertility, cultivation condition is consistent, and rice varieties are the military fortune round-grained rice of japonica rice
No. 8.Experiment sets 6 treatment altogether, and each processes 3 repetitions, totally 18 cells, 20 square metres of each plot area, each cell with
Machine is arranged.6 treatment are respectively：(1) 20% trifluoro-benzene pyrimidine phoxim suspending agent 3g.a.i./mu；(2) 20% trifluoro-benzenes
Pyrimidine phoxim suspending agent 4g.a.i./mu；(3) 20% trifluoro-benzene pyrimidine phoxim suspending agent 5g.a.i./mu；(4)
10% trifluoro-benzene pyrimidine suspending agent 3g.a.i./mu；(5) 40% phoxim emulsifiable concentrate 30g.a.i./mu；(6) clear water control.Experiment
Dispenser is carried out in first generation striped rice borer low instar larvae peak period, dispenser once (uses Singapore's profit agriculture Jacto 16LITROS types
Sprayer is sprayed, and aperture ＜ 7mm, medicament does not stay raffinate), per the kg of water of cell 1.5.Investigation method is with reference to the examination of agricultural chemicals field efficacy
The investigation method of " insecticide control paddy rice Lepidoptera borer pest " is tested in criterion (), the striped rice borer harm sizing in rice field
Afterwards, investigate per the withered heart strain rate of cell, calculate seedling protecting effect, while borer pest strain of choosing, striped rice borer residual borer population is looked into stripping, with contrast ratio
Compared with, insecticidal effect is calculated, parallel great-jump-forward sampling method is used per cell, investigate per cell at 5 points, 6 clumps every, 30 Cong Shui are investigated altogether
Rice.Result of the test is shown in Table 5.
Drug effect computational methods：
Field control effect of the trifluoro-benzene pyrimidine phoxim suspending agent of table 5 20% to striped rice borer
Note：Compared using Duncan ' s duncan's new multiple range methods in DPS softwares, the level of signifiance of lowercase letter 5%.
3. rice leaf roller field test is prevented and treated
Experiment is located at Huai'an Hongze County, and experimental plot middle fertility, cultivation condition is consistent, and rice varieties are the military fortune round-grained rice of japonica rice
No. 8.Experiment sets 6 treatment altogether, and each processes 3 repetitions, totally 18 cells, 20 square metres of each plot area, each cell with
Machine is arranged.6 treatment are respectively：(1) 20% trifluoro-benzene pyrimidine phoxim suspending agent 5g.a.i./mu；(2) 20% trifluoro-benzenes
Pyrimidine phoxim suspending agent 6g.a.i./mu；(3) 20% trifluoro-benzene pyrimidine phoxim suspending agent 7g.a.i./mu；(4)
10% trifluoro-benzene pyrimidine suspending agent 4g.a.i./mu；(5) 40% phoxim emulsifiable concentrate 40g.a.i./mu；(6) clear water control.Experiment
Dispenser is carried out in rice plant of tillering stage, rice leaf roller egg hatching peak period, dispenser once (uses the sharp agriculture Jacto of Singapore
16LITROS types sprayer is sprayed, and aperture ＜ 7mm, medicament does not stay raffinate), per the kg of water of cell 1.5.21d, investigation medicine after dispenser
Effect, 25 clumps of rice are looked into per 5 points of samplings of cell altogether, and every plant of investigation 3, top leaf counts leaf roll rate, compares with check plot leaf roll rate,
Relative control effect is calculated, while investigate having borer population in leaf roll, insecticidal effect is calculated.Result of the test is shown in Table 6.
Leaf roll rate and prevention effect computational methods：
Field control effect of the trifluoro-benzene pyrimidine phoxim suspending agent of table 6 20% to rice leaf roller
Note：Compared using Duncan ' s duncan's new multiple range methods in DPS softwares, the level of signifiance of lowercase letter 5%.
(4) conclusion (of pressure testing)
Indoor virulence test shows that trifluoro-benzene pyrimidine, two kinds of insecticide active ingredients of phoxim have compatibility, and the two is answered
With main performance summation action and synergistic effect, without antagonism.Preventing and treating planthopper, trifluoro-benzene pyrimidine and phoxim compound agent
Synergy ratio range is 20: 1~1: 30, both optimum proportionings are 1: 1.Preventing and treating striped rice borer, trifluoro-benzene pyrimidine is answered with phoxim
The synergy ratio range of ingredients is 20: 1~1: 20, both optimum proportionings are 1: 1.Preventing and treating rice leaf roller, trifluoro-benzene pyrimidine
Synergy ratio range with phoxim compound agent is 30: 1~1: 20, both optimum proportionings are 1: 1.Field test shows,
20% trifluoro-benzene pyrimidine phoxim suspending agent is good to the prevention effect of rice hoppers, striped rice borer, rice leaf roller, and with
Dose increases, and preventive effect increases, and the prevention effect of the high dose that each experiment is set is significantly higher than comparison medicament.In production practices,
Preventing and treating planthopper, striped rice borer, rice leaf roller can reduce medication, saving of labor using trifluoro-benzene pyrimidine and the built agent of phoxim
It is time saving, it is cost-effective, it is free from environmental pollution, the generation of pest resistance to insecticide can be delayed again.
Claims (4)
1. a kind of insecticides containing trifluoro-benzene pyrimidine, it is characterized in that：Its active ingredient be trifluoro-benzene pyrimidine and phoxim,
Wherein the weight ratio of trifluoro-benzene pyrimidine and phoxim is 50: 1~1: 50.
2. a kind of insecticides containing trifluoro-benzene pyrimidine according to claim 1, it is characterised in that trifluoro-benzene pyrimidine
It is 30: 1~1: 30 with the weight ratio of phoxim.
3. a kind of insecticides containing trifluoro-benzene pyrimidine according to claim 1, it is characterised in that the trifluoro-benzene
Pyrimidine and phoxim and known carrier and auxiliary agent etc. are processed into the formulation allowed on agricultural chemicals, wherein trifluoro-benzene pyrimidine and phoxim
Total content in the composition is 10-70%.Can be made into microcapsule suspending agent, suspending agent, aqueous emulsion, microemulsion, water dispersible granules
The formulation such as (the including but not limited to dosage form of water dispersible granule such as extruder grain fluidized drying, dry suspension), wettable powder.
4. a kind of insecticides containing trifluoro-benzene pyrimidine according to claim 1, it is characterized in that：Said composition is used for
Planthopper, striped rice borer, rice leaf roller on preventing and treating paddy rice etc..
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109258683A (en) * | 2018-10-12 | 2019-01-25 | 扬州诺丰农业科技有限公司 | A kind of ointment and its application method with efficient, uptake and translocation effect prevention and treatment longicorn |
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| CN104509544A (en) * | 2013-09-30 | 2015-04-15 | 陕西韦尔奇作物保护有限公司 | Insecticide composition containing trifluorophenylpyrimidine and organophosphorus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109258683A (en) * | 2018-10-12 | 2019-01-25 | 扬州诺丰农业科技有限公司 | A kind of ointment and its application method with efficient, uptake and translocation effect prevention and treatment longicorn |
| CN109258683B (en) * | 2018-10-12 | 2021-04-20 | 扬州诺丰农业科技有限公司 | Ointment with internal absorption and conduction functions for preventing and treating longhorn beetles and using method thereof |
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