CN108782590A - Pesticidal combination containing guadipyr and thiocyclam - Google Patents
Pesticidal combination containing guadipyr and thiocyclam Download PDFInfo
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- CN108782590A CN108782590A CN201810994403.0A CN201810994403A CN108782590A CN 108782590 A CN108782590 A CN 108782590A CN 201810994403 A CN201810994403 A CN 201810994403A CN 108782590 A CN108782590 A CN 108782590A
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- thiocyclam
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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
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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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/24—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms
- A01N43/32—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms six-membered rings
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Abstract
The invention discloses a kind of Pesticidal combination containing guadipyr and thiocyclam, the composition contain active constituent guadipyr and thiocyclam, and the wherein mass ratio of guadipyr and thiocyclam is 1：(1~60).The Pesticidal combination of the present invention not only expands insecticidal spectrum, accomplishes a dispenser, 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 far above thiocyclam, and the present invention compounds thiocyclam and a small amount of guadipyr, and insecticidal effect, which is apparently higher than, is applied alone guadipyr or thiocyclam, 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 thiocyclam
Pesticidal combination.
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.It such as Prochloraz and cartap, imidacloprid and Cupric sulfate, S-Ethyl ethylthio sulfonate and cartap, Buprofezin and kills
Worm list etc. Recompounded pesticide is 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) are 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, broad bean, 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
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 period 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 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 the snout moth's larva of rice and plant hopper compounded pesticides kind it is more, mainly have to planthopper control effect compared with
The formula of the pesticide compositionals such as good imidacloprid and the preferable Cupric sulfate of prevention snout moth's larva effect, Hostathion.
However, the resistance due to imidacloprid increases quickly, with the accumulation of usage time, control effect 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 is killed 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, various to natural, ecological
Property causes to seriously threaten.Therefore can imidacloprid can be continuing with, and be produced 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.
Invention content
The purpose of the invention is to overcome or pest is delayed to develop immunity to drugs, expand pest control spectrum, accomplishes primary
Dispenser, 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 thiocyclam, the composition contain active ingredient guadipyr and kill
The mass ratio of worm ring, wherein guadipyr and thiocyclam is 1：(1~60).
The proportioning of guadipyr and thiocyclam in the present composition can apply situation in the reasonable scope according to specific
It is adjusted, such as the weight ratio of both guadipyr and thiocyclam is 1：(1~60), 1：(1~55), 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 weight ratio of the two can be 1：60,1：59,1：58,1：57,1：56,1：55,1：54,1：53,1：
52,1：51,1：50,1：49,1：48,1：47,1：46,1：45,1：44,1：43,1：42,1：41,1：40,1：39,1：38,1：
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 active ingredient guadipyr and the mass content of thiocyclam can be 1~99%, preferably 2~
90%, further preferred 3~60%.
The composition of the present invention can be equipped with insecticides adjuvant, pesticide be made using guadipyr and thiocyclam as active ingredient
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 can contain only active constituent guadipyr and thiocyclam, be made with guadipyr and thiocyclam
Binary built is carried out for active ingredient, also other active components can be added to Pesticidal combination in use or preparation, the desinsection
Active ingredient in composition is present in enhancing effective amount in composition.
Pesticidal combination of the present invention containing guadipyr and thiocyclam can be applied to prevention lepidoptera pest or perverse
Harm of the suction mouthpart insect to crops is especially applied to prevention 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 effect 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, belong 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 larger potential market value.
Thiocyclam (thiocyclam-hydrogenoxalate) is nereistoxin bionic pesticide middle and high end kind, for choosing
Selecting property insecticide has stomach toxicity, tags, systemic action, can be conducted to apical meristem after being absorbed by plants, after insect chewing is sucked
Poisoning and it is dead.Thiocyclam knocks down soon pest, and the lasting period is long, desinsection wide spectrum, is mainly used for preventing Lepidoptera and coleoptera evil
Worm, lasting period are 7~14 days, can also prevent parasitic nematode, such as rice sharp nematode in vain, the rust to some crops and dead ears disease
There is certain preventive effect.Can prevent rice leaf roller, yellow rice borer, rice leaf roller, rice thrips, leafhopper, pachydiplosis oryzae, plant hopper, black peach aphid,
Apple aphid, European red mite, pear leaf worm, citrus leaf-miner, vegetable-crop pest-insect etc..Suitable for rice, corn, fruit tree, vegetables etc.
Crop.Thiocyclam is less toxic to birds, nontoxic to pest natural enemies such as spiders, small to environmental organism lethality, to person poultry harmless, in Europe
Continent is additionally operable to kill sanitary insect pest.
Since thiocyclam is in agricultural production using for many years, pest produces certain drug resistance, and dosage also exists
Increase year by year.
In conclusion both medicaments are all safe 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.
Go out excellent control effect.
It is active ingredient using guadipyr and thiocyclam, according to the different ratio that the present invention is stated, in the art
Formulations of pesticide processing insecticides adjuvant well known to technical staff, with formulations of pesticide processing side known to a person skilled in the art
Method can be processed into the various formulations of pesticide.
Compared with the existing technology, " Pesticidal combination containing guadipyr and thiocyclam " of the present invention has the advantage that
It is with advantageous effect：1, insecticidal range is expanded, 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 effect, can accomplish a dispenser, 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 being reduced when single use, and insecticidal effect can be improved, not only increase safety, but also reduce environmental pollution.
Specific implementation mode
Below by specific embodiment detailed description come the present invention is furture elucidated, but be not to the present invention limit
System, only illustrates.
Embodiment 1：Guadipyr measures the co-toxicity coefficient of rice-stem borer with thiocyclam different ratio
In order to confirm guadipyr and thiocyclam mixture, be with synergistic effect, summation action or antagonism, we
Recipe determination research has been carried out to guadipyr and thiocyclam 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 the data that agriculture chemical examination institution of the Ministry of Agriculture provides, the recommended dose that guadipyr prevents planthopper is 4~7
Gram active ingredient/mu, the recommended dose that thiocyclam prevents rice-stem borer are 40~50 grams of effective ingredient/mus, 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, and totally 9 processing, separately set penta pyrrole worm
Two guanidine, thiocyclam single dose processing.
Experiment medication is configured to institute respectively using guadipyr active compound and thiocyclam active compound according to the matched proportion density of setting
Need concentration liquid spare.
The method of indoor biometrics is：It is 1.0 that striped rice borer, which uses capillary micro intravenous drip method, capillary micro intravenous drip device volume,
μL.With micro intravenous drip device by liquid 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 of an a diameter of 9cm, and a small amount of feed separately uses 30 childrens of acetone drop for feeding built in ware
Worm is as a contrast.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, Sun Yunpei's Method is used in combination to find out co-toxicity coefficient.
The co-toxicity of mixture preparation is indicated using the co-toxicity coefficient method of Sun Yunpei：
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 when being less than 80, is addition when 80~120.
It is 82.74 μ g/mL to the lethal concentration of 50 of striped rice borer that experiment, which determines guadipyr, and setting guadipyr pair two is changed
The toxicity index of snout moth's larva is 100.Toxicity index, co-toxicity coefficient such as following table of each processing to striped rice borer：
1 guadipyr of table, thiocyclam different ratio are to the toxicity test result of striped rice borer
When analyzing above-mentioned data result and showing to compound guadipyr and thiocyclam by above-mentioned different proportion, 1:1~1:
In 60 this 9 formulas, 120 are all higher than to striped rice borer co-toxicity coefficient, is illustrated after compounding both effective ingredients, to striped rice borer energy
Enough there is preferable synergistic effect.With the increase of thiocyclam in proportioning, synergistic effect is in notable ascendant trend.When guadipyr with
When the ratio of thiocyclam is 1: 20, co-toxicity coefficient reaches 186.27, and for highest in all formulas, synergistic effect is the most notable；With
Further increasing for thiocyclam, co-toxicity coefficient is declined, but still in synergistic effect range.
Embodiment 2：Guadipyr measures the co-toxicity coefficient of rice hoppers with thiocyclam different ratio
In order to confirm guadipyr and thiocyclam mixture to perverse suction mouthpart insect be with synergistic effect, summation action also
It is antagonism, we use 9 formulas of guadipyr, thiocyclam list medicament and the above guadipyr and thiocyclam mixture again,
Toxicity Determination has been carried out to rice hoppers.Rice hoppers 3 age nymph, assay method is selected to use infusion process.
Test worm is put into the funnel rolled well with filter paper, is taken in liquid 3mL to funnel as above with liquid-transfering gun, test worm is made to exist
Kept for 30 seconds in liquid, be put in after taking-up on filter paper and suck extra liquid, 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, rubber plug is to prevent test 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, and test worm is motionless, or cannot
The normal person of creeping is calculated as death.
It is 8.56 μ g/mL to the lethal concentration of 50 of planthopper that experiment, which determines guadipyr, and setting guadipyr flies rice
The toxicity index of lice is 100.Toxicity index, co-toxicity coefficient such as following table of each processing to planthopper：
Table 2, guadipyr, thiocyclam different ratio are to the The Toxicity Determination results of rice hoppers
From table 2 it can be seen that guadipyr and thiocyclam different proportion mixture are to the total poison of rice hoppers 3 age nymph
Number is all higher than 120, all has synergistic effect.When wherein guadipyr and thiocyclam weight ratio are 1: 10, co-toxicity coefficient reaches
175.49 synergistic effect is the most notable.
In summary the toxicity test result data of two tables, guadipyr and thiocyclam different proportion mixture, when the two ratio
When example is 1: 1~1: 60, 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 a dispenser, various pests are simultaneous to be controlled, and is saved agriculture sheet, is mitigated the labour of peasant
Intensity.
We select following proportioning 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 3：30% guadipyr thiocyclam wettable powder
Embodiment 4：40% guadipyr thiocyclam suspending agent
Embodiment 5：55% guadipyr thiocyclam water dispersible granules
Embodiment 6：The 30% solvable pulvis of guadipyr thiocyclam
Embodiment 7：3% guadipyr thiocyclam granule
Embodiment 8：30% guadipyr thiocyclam aqueous emulsion
By above six embodiments made from guadipyr and the various different ratios of thiocyclam, prevention rice-stem borer is carried out
With the field control effectiveness test of planthopper, while by controlling worm with 20% guadipyr suspending agent, 50% thiocyclam solvable pulvis
Contrast on effect verifies the synergistic effect of compound drug.Test site is Nanjing Liuhe District, and the time is in August, 2017
23, experiment totally eight processing each handled three repetitions, cell random alignment, plot area 9*5m2, the kind of all cells
It is identical as local planting habit to plant custom.
Investigation standard is：By 5 point samplings, random 5 points of samplings per cell, every is investigated 5 clumps, totally 25 clumps.Before dispenser
The quantity of the Chilo spp larvae and planthopper adult of investigating the 25 clumps of rice respectively with the 1st, 7,15 day after dispenser, carries out detailed note
Record calculates control effect.Specific data (data are the average value of three repetitions) are as follows：
Table 3：The field control effectiveness test result of thiocyclam, 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 thiocyclam 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 effect of striped rice borer when desinsection ring content is high in formula, to the control effect of planthopper
It is more relatively poor, when guadipyr content is high in formula, the control effect of striped rice borer is declined slightly, but to planthopper
Control effect is preferable.This result also really reflects the characteristic of the two medicaments.From the data in the above table, complex 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,
Complex 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 thiocyclam, it is characterised in that the composition contains penta pyrrole of active constituent
The mass ratio of worm guanidine and thiocyclam, wherein guadipyr and thiocyclam is 1：(1~60).
2. composition according to claim 1, it is characterised in that the mass ratio of guadipyr and thiocyclam in the composition
It is 1：(2~50).
3. composition according to claim 2, it is characterised in that the mass ratio of guadipyr and thiocyclam in the composition
It is 1：(5~40).
4. composition according to claim 3, it is characterised in that the mass ratio of guadipyr and thiocyclam in the composition
It is 1：(5~30).
5. composition according to claim 1, it is characterised in that active constituent guadipyr and thiocyclam in the composition
Mass content be 1~90%.
6. composition according to claim 5, it is characterised in that active constituent guadipyr and thiocyclam in the composition
Mass content be 2~60%.
7. composition according to claim 1, it is characterised in that the composition with guadipyr and thiocyclam 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 aqueous emulsion, solvable pulvis, wettable
Pulvis, water dispersible granules, suspending agent and granule etc..
9. composition described in claim 1 is in prevention lepidoptera pest and/or perverse suction mouthpart insect to murrain side
The application in face.
10. composition described in claim 1 is in the prevention snout moth's larva of rice and/or plant hopper to the application in terms of murrain.
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