CN109169699A - Pesticidal combination containing guadipyr and dimehypo - Google Patents
Pesticidal combination containing guadipyr and dimehypo Download PDFInfo
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- CN109169699A CN109169699A CN201810994053.8A CN201810994053A CN109169699A CN 109169699 A CN109169699 A CN 109169699A CN 201810994053 A CN201810994053 A CN 201810994053A CN 109169699 A CN109169699 A CN 109169699A
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- dimehypo
- guadipyr
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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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
-
- 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
Abstract
The invention discloses a kind of Pesticidal combination containing guadipyr and dimehypo, the composition contain active constituent guadipyr and dimehypo, and wherein the mass ratio of guadipyr and dimehypo is 1:(1~50).Pesticidal combination of the invention not only expands insecticidal spectrum, accomplishes once to be administered, and more worms are simultaneous to be controlled, but also has synergistic effect, it is possible to reduce insecticide dosage mitigates pollution of the pesticide to environment, while also reducing the labor intensity of peasant.The price of guadipyr is much higher than dimehypo, and the present invention compounds dimehypo with a small amount of guadipyr, and insecticidal effect, which is apparently higher than, is applied alone guadipyr or dimehypo, it is possible to reduce the dosage of insecticide reduces production cost, mitigates the financial burden of peasant.
Description
Technical field
The invention belongs to pesticide fields, and in particular to a kind of simultaneously containing active insecticidal components guadipyr and dimehypo
Pesticidal combination.
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 emamectin-benzoate and dimehypo, phoxim and dimehypo, chlopyrifos with
Dimehypo, Methomyl and dimehypo etc. Recompounded pesticide are applied in agricultural production.
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) is that Occurrence the most serious is endangered on China's rice
One of, tillering stage it is aggrieved cause withered sheath, withered heart seedling, cause insect bite strain and dead ears ear period is aggrieved, 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 mainly with the Changjiang river
Basin and on the south rice region occur heavier, it is in the situation that obviously 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 the crops such as wild rice stem, corn, sorghum, sugarcane, rape, semen viciae fabae, wheat and reed, barnyard grass, Leersia Sw.
Striped rice borer is not only the important pests in China's Rice Production, and in external paddy fields, distribution is also very wide, for example,
The harm of the striped rice borer such as Korea, Japan, Philippine, Vietnam, Thailand, Malaysia, Indonesia, India, Egypt is also very
Seriously.
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, 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 kind it is more, mainly have to planthopper control efficiency compared with
The formula of the pesticide compositionals such as good imidacloprid and the preferable Cupric sulfate of prevention and treatment snout moth's larva effect, Hostathion.
However, the resistance due to imidacloprid increases quickly, with the accumulation of usage time, control efficiency constantly declines, mu
Dosage dramatically increases, and not only increases agriculture production cost, and increases the influence to environment.
Especially imidacloprid not only has resistance, but also kills seriously, therefore to the bee colony for propagating pollen in nature
The bee colony reduced in nature propagates plant pollen, has blocked the breeding chain of plant in nature, gives natural ecology multiplicity
Property causes to seriously threaten.Therefore can imidacloprid can continue to use, and produce in agricultural management department and pesticide producing department sharp
Strong arguement.European Food Safety Authority (EFSA) issues a public proclamation title, will reset the nicotinoids pesticides such as imidacloprid, Acetamiprid
Toxicity criterion.Canadian pest control management organization (PMRA) will carry out the environmental risk of nicotinic insecticide imidacloprid
Again it evaluates.Environmental Protection Agency began to open to the progress review of nicotinic insecticide imidacloprid early in 2009.Brazilian environmental protection
Administration (IBAMA) also influences the environment for reappraising 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 guadipyr and dimehypo, the composition contain effective component guadipyr and kill
Worm is double, and wherein the mass ratio of guadipyr and dimehypo is 1:(1~50).
The proportion of guadipyr and dimehypo in the present composition can be according to specific application situation in the reasonable scope
Be adjusted, such as the weight ratio of both guadipyr 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 embodiments, the two
Weight ratio can for 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..
In the present composition effective component guadipyr and the mass content of dimehypo can for 1~99%, preferably 2~
90%, further preferred 4~60%, more preferable 4~40%.
Composition of the invention can be equipped with insecticides adjuvant, pesticide is made using guadipyr and dimehypo as effective component
Upper acceptable dosage form, such as solvable pulvis, soluble concentrate, wettable powder, water dispersible granules, suspending agent, granule etc..
Pesticidal combination of the present invention containing guadipyr and dimehypo can be applied to prevention and treatment lepidoptera pest or perverse
Harm of the suction mouthpart insect to crops is especially applied to prevention and treatment rice-stem borer or planthopper to murrain side
Face.
Guadipyr (guadipyr) is have both 2 kinds of insecticidal activity features of anabasine and sodium-ion channel inhibitor new
Type efficient pesticides.Field experiment show guadipyr to bean aphid, hyalopterus arundinis, cotten aphid, vegetable aphid, wild cabbage black peach aphid, rape black peach aphid,
The lepidoptera pests tool such as the Homoptera Aphidiadaes such as planthopper, Bemisia tabaci, Delphacidae, Aleyrodidae pest and bollworm, beet armyworm
There is good preventive effect, control efficiency is suitable with imidacloprid, and has good killing effect to imidacloprid resistant insect.
Environmental toxicity and mammalian toxicity the result shows that, guadipyr is to aquatile scenedesmus obliquus, Daphnia magna, zebra
Fish low toxicity；To natural enemy amphibious organisms Africa xenopus low toxicity；To geobiont earthworm low toxicity；It is low to apis mellifera and Japanese quail
Poison；Anabasine insecticide especially to the toxicity of honeybee well below existing market.In addition, mouse test shows penta pyrrole
The acute oral toxicity LD50 > 5 of worm guanidine, 000mg/kg (b.w.), acute dermal toxicity LD50 > 5,000mg/kg (b.w.),
Acute inhalation toxicity LC50 > 3,458mg/m3, belongs to micro- poison in toxicity grading.
Guadipyr structure novel, activity is high, low toxicity, to environment non-target organism safety, especially to honeybee safety, and
And there are multiple action targets, resistance risk can be substantially reduced.These advantages make it have biggish potential market value.
Dimehypo (bisultap) belongs to nereistoxin insecticides, is a kind of never poison, after insect contact and feeding medicament
Ability that is blunt, slow in action, losing infringement crop is shown, stops development, polypide softening, paralyse, until dead.Dimehypo
Belong to biomimetic type pesticide, small, non-resistant is influenced on environmental organism and pest natural enemy, no residual hazard is free from environmental pollution, is comprehensive treatment worm
The comparatively ideal medicament of evil.
Crops have very strong systemic action to dimehypo, can be absorbed and be conducted by the leaf of crop, root etc..Dimehypo is to evil
Worm have it is stronger tag and stomach poison function, and have certain fumigation action concurrently.Suitable for rice, vegetables, fruit tree, cotton and small
The crops such as wheat control worm.Especially there is special efficacy to the snout moth's larva of rice, has become the common medicament of snout moth's larva of rice prevention and treatment.
In conclusion both medicaments are all safe and efficient, eco-friendly pesticides.But respectively have when the two exclusive use excellent
Disadvantage, the composition after compounding both of the present invention, can effectively make up respective defect, expand insecticidal range, right
Lepidoptera pest such as striped rice borer, yellow rice borer, rice leaf roller etc. shows sucking pest such as planthopper, aphid etc.
Excellent control efficiency out.
It is active ingredient using dimehypo and guadipyr, according to the different ratio that the present invention is stated, in the art
The processing insecticides adjuvant of the formulations of pesticide well known to 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.
Compared with the existing technology, " Pesticidal combination containing guadipyr and dimehypo " of the present invention has the advantage that
It is with beneficial effect: 1, expands insecticidal range, to lepidoptera pest such as striped rice borer, yellow rice borer, rice leaf roller and piercing and sucking
Formula mouthpart insect such as planthopper, aphid etc. all has excellent control efficiency, can accomplish once to be administered, and various pests are simultaneous to be controlled；
2, the lasting period is long；3, less toxic, low-residual is nuisanceless, environmentally safe；4, using compound formulation, the dosage of two kinds of insecticides is equal
Than reducing when single use, and insecticidal effect can be improved, not only increase safety, but also reduce 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: guadipyr and dimehypo different ratio measure the co-toxicity coefficient of rice-stem borer
In order to confirm guadipyr and dimehypo mixture, be with synergistic effect, summation action or antagonism, we
Recipe determination research has been carried out to guadipyr and dimehypo first, the object of indoor biometrics has been set in China's Rice Production
The striped rice borer and planthopper of most serious are endangered, specific measurement situation and result are as follows:
According to data provided by the Ministry of Agriculture's agriculture chemical examination, the recommended dose that guadipyr prevents and treats planthopper is 4~7
Gram active ingredient/mu, the recommended dose that dimehypo prevents and treats rice-stem borer is 45~54 grams of effective ingredient/mus, on this basis,
Experimental design proportion is 1: 1,1: 2,1: 5,1: 10,1: 20,1: 30,1: 40,1: 50, and totally 8 processing, separately set guadipyr, kill
The double two single doses processing of worm.
Test medication is configured to institute according to the matched proportion density of setting using guadipyr raw medicine and dimehypo mother's medicine respectively
Need concentration liquid spare.
The method of indoor biometrics are as follows: striped rice borer uses capillary micro intravenous drip method, and capillary micro intravenous drip device volume is 1.0
μL.With micro intravenous drip device by medical fluid by head drop in the back side of 3 instar larvae of striped rice borer, each concentration handles 30 or so childrens
Worm, every 5 larvas are put into the culture dish that a diameter is 9cm, and a small amount of feed separately uses 30 childrens of acetone drop for feeding built in ware
Worm is as control.Larva after processing is still placed in receptacle, and the death rate is checked after 48h.At data SPSS software statistics
Reason.The lethal concentration of 50, theoretical toxicity index, survey toxicity index etc. are found out, and finds out co-toxicity coefficient 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 78.36 μ g/mL to the lethal concentration of 50 of striped rice borer that test, which determines guadipyr, and setting guadipyr is changed to two
The toxicity index of snout moth's larva is 100.Each processing is as follows: the toxicity index of striped rice borer, co-toxicity coefficient
1 guadipyr of table, dimehypo different ratio are to the toxicity test result of striped rice borer
When analyzing above-mentioned data result and showing with dimehypo to compound guadipyr by above-mentioned different proportion, in 1:1~1:
In 50 this 8 formulas, 120 are all larger than to striped rice borer co-toxicity coefficient, is illustrated after compounding two kinds of effective ingredients, it can to striped rice borer
There is preferable synergistic effect.With the increase of dimehypo in proportion, synergistic effect is in significant ascendant trend.When guadipyr with kill
When the double ratio of worm is 1: 10, co-toxicity coefficient reaches 158.27, and for highest in all formulas, synergistic effect is the most significant.
Embodiment 2: guadipyr and dimehypo different ratio measure the co-toxicity coefficient of rice hoppers
In order to confirm guadipyr and dimehypo mixture to perverse suction mouthpart insect be with synergistic effect, summation action also
It is antagonism, we with 8 formulas of the above guadipyr and dimehypo mixture, have carried out indoor poison to rice hoppers again
Power measurement.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 test 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 test worm is motionless, or cannot
The normal person of creeping is calculated as death.
It is 10.68 μ g/mL to the lethal concentration of 50 of planthopper that test, which determines guadipyr, and setting guadipyr flies rice
The toxicity index of lice is 100.Each processing is as follows: the toxicity index of planthopper, co-toxicity coefficient
Table 2, guadipyr, dimehypo different ratio are to the The Toxicity Determination results of rice hoppers
As can be seen from Table 2, guadipyr and dimehypo different proportion mixture have synergy to rice hoppers 3 age nymph
Effect.When wherein guadipyr and dimehypo weight ratio are 1: 10, co-toxicity coefficient reaches 162.73, and synergistic effect is the most significant.
In summary the toxicity test result data of two tables, guadipyr and dimehypo different proportion mixture, when the two ratio
When example is 1: 1 to 1: 50, synergistic effect is all had to rice-stem borer and planthopper.The present invention is not merely to reduce pesticide
Usage amount, it is often more important that expand insecticidal spectrum, accomplish once to be administered, various pests are simultaneous to be controlled, and is saved agriculture sheet, is mitigated the labour of peasant
Intensity.
We select following proportion to carry out trial-manufacture of sample thus, and have carried out field control effectiveness 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 3:10% guadipyr dimehypo wettable powder
Embodiment 4:40% guadipyr dimehypo suspending agent
Embodiment 5:22% guadipyr dimehypo water dispersible granules
The solvable pulvis of embodiment 6:20% guadipyr dimehypo
Embodiment 7:4.2% guadipyr Dimehypo Fg
Embodiment 8:30% guadipyr dimehypo soluble concentrate
By above six embodiments made from guadipyr and the various different ratios of dimehypo, prevention and treatment rice-stem borer is carried out
With the field control effectiveness test of planthopper, while passing through the anthelminthic effect with 20% guadipyr suspending agent, 36% dimehypo water solution
Comparison, verifies the synergistic effect of compound drug.Test site is Jiangsu Province Xiangshui County, and the time is on September 3rd, 2017, and test is altogether
Eight processing, three repetitions of each processing, cell random alignment, plot area 9*5m2, the planting habit of all cells with work as
The planting habit on ground is identical.
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 Chilo spp larvae of 25 clumps of rice and the quantity of planthopper adult respectively with the 1st, 7,15 day after application, carries out detailed note
Record calculates control efficiency.Specific data (data are three duplicate average values) are as follows:
Table 3: the field control effectiveness test result of dimehypo, guadipyr single dose and compounding agent to rice-stem borer, planthopper
As can be seen from the above data, under using identical effective ingredient dosage, guadipyr is matched with dimehypo difference
After compounding, two kinds of single doses to be apparently higher than to the integrated control effect of rice-stem borer and planthopper, all formulas have bright
Aobvious synergistic effect.It is preferable to the control efficiency of striped rice borer when dimehypo content is high in formula, to the control efficiency of planthopper
It is more relatively poor, when guadipyr content is high in formula, the control efficiency of striped rice borer is declined slightly, but to planthopper
Control efficiency is preferable.This result also really reflects the characteristic of the two medicaments.From the data in the above table, compound preparation is in medicine
7 days preventive effects are higher than 1 day after medicine preventive effect afterwards, and 15 days preventive effects are slightly less than 7 days after medicine preventive effects after medicine.Compared with single dose,
Compound preparation expands insecticidal spectrum, extends the lasting period, reduces times for spraying, saves recruitment, and it is strong to alleviate peasant's labour
Degree, reduces peasant's drug cost.
Claims (10)
1. a kind of Pesticidal combination containing guadipyr and dimehypo, it is characterised in that the composition contains penta pyrrole of active constituent
Worm guanidine and dimehypo, wherein the mass ratio of guadipyr and dimehypo is 1:(1~50).
2. composition according to claim 1, it is characterised in that the mass ratio of guadipyr and dimehypo in the composition
For 1:(1~40).
3. composition according to claim 2, it is characterised in that the mass ratio of guadipyr and dimehypo in the composition
For 1:(2~30).
4. composition according to claim 3, it is characterised in that the mass ratio of guadipyr and dimehypo in the composition
For 1:(5~30).
5. composition according to claim 1, it is characterised in that active constituent guadipyr and dimehypo in the composition
Mass content be 2~90%.
6. composition according to claim 5, it is characterised in that active constituent guadipyr and dimehypo in the composition
Mass content be 4~60%.
7. composition according to claim 1, it is characterised in that the composition with guadipyr and dimehypo be activity at
Point, it is equipped with insecticides adjuvant, dosage form pesticide-acceptable is made.
8. composition according to claim 7, it is characterised in that the dosage form is selected from soluble concentrate, solvable pulvis, wettable
Property pulvis, water dispersible granules, suspending agent and granule etc..
9. composition described in claim 1 is in prevention and treatment lepidoptera pest and/or perverse suction mouthpart insect to murrain side
The application in face.
10. composition described in claim 1 is in prevention and treatment striped rice borer and/or planthopper to the application in terms of murrain.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308836A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
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- 2018-08-29 CN CN201810994053.8A patent/CN109169699A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308836A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
Non-Patent Citations (1)
| Title |
|---|
| 刘长令: "《世界农药大全杀虫剂卷》", 31 May 2012 * |
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Application publication date: 20190111 |