CN102939986B - Pesticide composite compounded of Wubichonggua and chlorfenapyr and preparation and application thereof - Google Patents
Pesticide composite compounded of Wubichonggua and chlorfenapyr and preparation and application thereof Download PDFInfo
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- CN102939986B CN102939986B CN201210499847.XA CN201210499847A CN102939986B CN 102939986 B CN102939986 B CN 102939986B CN 201210499847 A CN201210499847 A CN 201210499847A CN 102939986 B CN102939986 B CN 102939986B
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Abstract
The invention relates to the field of pesticide preparations, and particularly discloses a pesticide composite compounded of Wubichonggua and chlorfenapyr. The pesticide composite contains Wubichonggua and chlorfenapyr. The invention also discloses a pesticide compounded of Wubichonggua and chlorfenapyr, which contains the pesticide composite provided by the invention and acceptable auxiliary materials of pesticide preparations, wherein the pesticide composite accounts for 2-85 percent by mass of the pesticide. The pesticide composite and the preparation thereof disclosed by the invention have obviously enhanced killing effect on brassicaceous vegetable pests and achieve obvious synergetic effect; moreover, the generation of the pesticide resistance of pests is slowed down because the pesticide composite and the preparation of the pesticide composite are compounded of multiple active components. The pesticide composite and the preparation of the pesticide composite can be widely applied to the agriculture field.
Description
Technical field
The present invention relates to pesticidal preparations field, relate to specifically a kind of penta pyrrole worm guanidine and capillary complex insecticidal composition and preparation and application.
Background technology
Brassicaceous vegetable is the important foodstuffs in people's daily life, accounts for 50% left and right of the national vegetables gross area and gross yield, to also important role of national economy.Brassicaceous vegetable mainly contains cabbage, wild cabbage class, mustard, radish kind, aquatic vegetables etc.The pest species of harm Cruciferae is various, mainly contains diamond-back moth, prodenia litura, beet armyworm, cabbage caterpillar, imported cabbageworm, vegetable aphid, Oeobia undalis, cabbage bug, phyllotreta striolata, leafhopper etc., and occurs throughout the year and cause heavy losses.In agricultural insect management, chemical control in the highest flight.Along with agricultural chemicals long-term use, the increase of consumption the pesticide resistance of insect is constantly increased, the kind of resistant insect is more and more, also more difficult control.And use in a large number agricultural chemicals also can aggravate environmental pollution, harm humans is healthy.At present, all actively promote both at home and abroad that development is efficient, the novel agricultural chemicals of environmental friendliness and the preparation of low toxicity, low-residual.But develop, a kind of new active component cycle is long, cost is high, and the active component of different mechanism of action is mixed, and often can reach beyond thought effect, and being reasonably mixed to produce synergistic effect, can extend the service life of single dose.
Different insecticides active component is mixed rear each active component due to the difference of composition, structure, physicochemical property, make the synergy between each active component be typically expressed as synergistic effect, summation action or antagonism, therefore, choose reasonable insecticide kind is the most critical factor that compounded pesticides reaches synergistic effect.
Capillary (Chlorfenapyr), chemical name is 4-bromo-2-(4-chlorphenyl)-1-(ethoxyl methyl)-5-(trifluoromethyl) pyrroles-3-nitrile, have another name called chlorfenapyr, it is new pyrrole compounds, act on the mitochondria of insect bodies inner cell, by the mixed-functional oxidase in insect bodies, work, mainly suppress adenosine diphosphate (ADP) to the conversion of adenosine triphosphate (ATP).And adenosine triphosphate storage cell maintains the necessary energy of its vital functions.This medical instrument has stomach toxicity and action of contace poison.On blade face, permeability is strong, has certain systemic action, and has the advantages that insecticidal spectrum is wide, preventive effect is high, holding effect is long, safe.Can control resistant insect.Can there be the various vegetables insects such as control diamond-back moth, cabbage caterpillar, beet armyworm, prodenia litura, Oeobia undalis, vegetable aphid, liriomyza bryoniae, thrips.
Insecticide can be protected the growth of crops better efficiently; although capillary has excellent preventive effect to Cruciferous Vegetable Pests; but its control efficiency can't farthest protect crops not to be subject to the infringement of Cruciferous Vegetable Pests; and use for a long time capillary also easily to produce resistance; therefore need to provide Pesticidal combination a kind of Compositional type, that there is higher control efficiency, so that cover crop avoids the infringement of Cruciferous Vegetable Pests better.
Summary of the invention
In view of this, the object of the invention is to provide a kind of penta pyrrole worm guanidine and capillary complex insecticidal composition and preparation and application, can improve the preventive effect to Cruciferous Vegetable Pests.
For realizing object of the present invention, the present invention adopts following technical scheme:
Penta pyrrole worm guanidine and a capillary complex insecticidal composition, be comprised of penta pyrrole worm guanidine and capillary.
Wherein, the mass ratio of described penta pyrrole worm guanidine and capillary is preferably 1:50-50:1,1:30-30:1 more preferably, and more preferably 1:10-10:1, most preferably is 1:1-4:1.
Capillary (Chlorfenapyr), chemical name is 4-bromo-2-(4-chlorphenyl)-1-(ethoxyl methyl)-5-(trifluoromethyl) pyrroles-3-nitrile, have another name called chlorfenapyr, it is new pyrrole compounds, act on the mitochondria of insect bodies inner cell, by the mixed-functional oxidase in insect bodies, work, mainly suppress adenosine diphosphate (ADP) to the conversion of adenosine triphosphate (ATP).And adenosine triphosphate storage cell maintains the necessary energy of its vital functions.This medical instrument has stomach toxicity and action of contace poison.On blade face, permeability is strong, has certain systemic action, and has the advantages that insecticidal spectrum is wide, preventive effect is high, holding effect is long, safe.Can control resistant insect.Can there be the various vegetables insects such as control diamond-back moth, cabbage caterpillar, beet armyworm, prodenia litura, Oeobia undalis, vegetable aphid, liriomyza bryoniae, thrips.
Penta pyrrole worm guanidine, chemical name is 1-nitro-3-[(6-chloropyridine-3-yl) methyl]-4-penta methene amido guanidine, belong to nitro contracting aminoguanidine compounds, a kind of efficient, low toxicity, the brand-new insecticide of low-residual, it is building up to anabasine insecticide and the active structure of contracting amine urea insecticide in same a part, have the architectural feature of anabasine insecticide and sodium-ion channel inhibitor insecticides concurrently, thereby also have the insecticidal spectrum of this two insecticides concurrently, be with a wide range of applications, the feature with multiaction target, the speed that can make insect develop immunity to drugs reduces greatly.This product has good control efficiency to multiple suckings pest such as aphid, plant hopper, cotton bollworms.
The present invention also provides a kind of penta pyrrole worm guanidine and capillary compounded pesticides, can accept auxiliary material be comprised of Pesticidal combination of the present invention and pesticidal preparations.
Wherein, the mass percent that described Pesticidal combination accounts for described insecticide is 2%-85%, is preferably 20%-60%.
According to method known in those skilled in the art, the present invention can be made into the upper any formulation of acceptable of agricultural, and preferred formulation formulation is wetting powder, microemulsion, missible oil, water dispersible granules or suspending agent.
A kind of and the surfactant that pesticidal preparations of the present invention can be accepted in auxiliary material solid carrier well known in the art, liquid diluent forms, and the quantity of wherein said solid carrier, liquid diluent and surfactant is one or more.According to auxiliary material known in those skilled in the art, surfactant can be selected from alkylsulfonate, fatty alcohol sulfonate, alkylphenol polyoxyethylene, lauryl sodium sulfate, calcium dodecyl benzene sulfonate, lignosulfonates, carboxymethyl cellulose, phenethyl phenol polyethenoxy ether phosphate, alkylphenol polyoxyethylene, agriculture breast 500#, agriculture breast 600#, Nongru-700 #, agriculture breast 2201, agriculture breast 8209, agriculture breast 8312, agriculture breast 8210, agriculture breast NP-10, agriculture breast 0425, agriculture breast 0408, agriculture breast 3517, agriculture breast 8220, agriculture breast 8210, NNO BX LS, JFC, NMP etc., solid carrier can be selected from bentonite, white carbon, high clay, potter's clay, diatomite, precipitated calcium carbonate, talcum powder etc., liquid diluent can be selected from cyclohexanone, acetone, dimethylacetylamide, butyl glycidyl ether (BGE), isoamyl alcohol, isopropyl alcohol, methyl alcohol, methyl oleate, soybean salad oil, dimethyl sulfoxide (DMSO), water etc.
Different insecticides active component is mixed rear each active component due to the difference of composition, structure, physicochemical property, makes the synergy between each active component be typically expressed as synergistic effect, summation action or antagonism.So-called synergistic effect is exactly the mutual synergism between different material, and the effect of its generation is greater than the sum total of each composition effect; And the effect that summation action is exactly its generation equals the sum total of each composition effect; Antagonism refers to that when two kinds of materials act on living organism, a kind of material disturbs the effect of another kind of material, or the effect of interfering with an opponent each other, the phenomenon that general effect is declined.
The present invention carries out indoor virulence biologicall test according to infusion process, take beet armyworm as target pest, calculate co-toxicity coefficient and evaluate penta pyrrole worm guanidine effect mixed with capillary, result shows that co-toxicity coefficient is greater than 120, the mixing use that shows the two has notable synergistic effect, and has higher control efficiency to having drug-fast insect.
In addition, in to the test of pesticide effectiveness of diamond-back moth, beet armyworm, imported cabbageworm, prodenia litura, Oeobia undalis and cabbage caterpillar, adopt the insecticide of different proportionings of the present invention and penta pyrrole worm guanidine single dose, capillary single dose to contrast, in effective ingredient consumption, be equal to or less than under the prerequisite of single dose, insecticidal effect is higher than each single dose, show that Pesticidal combination of the present invention and preparation thereof can improve the preventive effect to Cruciferous Vegetable Pests, and there is synergistic effect.
Therefore, Pesticidal combination of the present invention can be applied in control Cruciferous Vegetable Pests, and described Cruciferous Vegetable Pests is preferably diamond-back moth, beet armyworm, imported cabbageworm, prodenia litura, Oeobia undalis and cabbage caterpillar.
From above technical scheme, Pesticidal combination of the present invention and preparation thereof significantly improve the insecticidal effect of Cruciferous Vegetable Pests, there is notable synergistic effect, and Pesticidal combination of the present invention and preparation thereof adopt various active composition composite, delay the generation of pest resistance to insecticide, can be widely used in agriculture field.
Embodiment
The embodiment of the invention discloses a kind of penta pyrrole worm guanidine and capillary complex insecticidal composition and preparation and application.Those skilled in the art can use for reference content herein, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they are all deemed to be included in the present invention.Product of the present invention is described by preferred embodiment, and related personnel obviously can change product as herein described or suitably change and combination within not departing from content of the present invention, spirit and scope, realizes and apply the technology of the present invention.
In order further to understand the present invention, below in conjunction with embodiment, a kind of penta pyrrole worm guanidine provided by the invention and capillary complex insecticidal composition and preparation thereof and application are elaborated.
Embodiment 1:31% penta pyrrole worm guanidine capillary wetting powder
Penta pyrrole worm guanidine 1%, capillary 30%, wooden sodium sulfonate 4%, lauryl sodium sulfate 4%, white carbon 15%, bentonite supply 100%.Above raw material is prepared routinely to the method for wetting powder and fully mixed, be crushed to certain fineness, make 31% penta pyrrole worm guanidine capillary wetting powders.
This medicament is used for preventing and treating Laphygma exigua Hubner, 30 grams/ha of effective ingredient consumption, and 50 kilograms of dilution sprayings of water, after medicine, 7 days preventive effects are 97.2%;
40 grams/ha of commercially available 20% penta 40 grams/ha of pyrrole worm guanidine suspending agent effective ingredient consumption and 10% capillary suspending agent effective ingredient consumption, used with same method, and after medicine, 7 days preventive effects are respectively 72.5% and 80.5%.
Embodiment 2:55% penta pyrrole worm guanidine capillary missible oil
Penta pyrrole worm guanidine 5%, capillary 50%, alkylphenol polyoxyethylene 8%, agriculture breast 500#10%, isopropyl alcohol 3%, salad oil supply 100%.The method of above raw material being prepared routinely to missible oil mixes, and makes 55% penta pyrrole worm guanidine capillary missible oil.
This medicament is used for preventing and treating Chinese cabbage diamond-back moth, 30 grams/ha of effective ingredient consumption, and 50 kilograms of dilution sprayings of water, after medicine, 7 days preventive effects are 99.1%;
50 grams/ha of commercially available 20% penta 50 grams/ha of pyrrole worm guanidine suspending agent effective ingredient consumption and 10% capillary suspending agent effective ingredient consumption, used with same method, and after medicine, 7 days preventive effects are respectively 80.1% and 85.6%.
Embodiment 3:6% penta pyrrole worm guanidine capillary microemulsion
Penta pyrrole worm guanidine 3%, capillary 3%, calcium dodecyl benzene sulfonate 10%, phenethyl phenol polyethenoxy ether phosphate 8%, agriculture breast 500#4%, vegetable oil 4%, isopropyl alcohol 10%, water supply 100%.The method of above raw material being prepared routinely to microemulsion mixes, and makes 6% penta pyrrole worm guanidine capillary microemulsions.
This medicament is used for preventing and treating Brussels sprouts white butterfly, 30 grams/ha of effective ingredient consumption, and 50 kilograms of dilution sprayings of water, after medicine, 7 days preventive effects are 97.4%;
50 grams/ha of commercially available 20% penta 50 grams/ha of pyrrole worm guanidine suspending agent effective ingredient consumption and 20% capillary suspending agent effective ingredient consumption, used with same method, and after medicine, 7 days preventive effects are respectively 79.8% and 84.3%.
Embodiment 4:25% penta pyrrole worm guanidine capillary oil-suspending agent
Penta pyrrole worm guanidine 20%, capillary 5%, agriculture breast 500#5%, white carbon 3%, soybean oil supply 100%.The method of above raw material being prepared routinely to oil-suspending agent mixes, and is crushed to certain fineness, makes 25% penta pyrrole worm guanidine capillary oil-suspending agents.
This medicament is used for preventing and treating wild cabbage prodenia litura, 30 grams/ha of active ingredients, and 50 kilograms of dilution sprayings of water, after medicine, 7 days preventive effects are 98.9%;
40 grams/ha of commercially available 20% penta 40 grams/ha of pyrrole worm guanidine suspending agent effective ingredient consumption and 10% capillary suspending agent effective ingredient consumption, used with same method, and after medicine, 7 days preventive effects are respectively 81.3% and 86.8%.
Embodiment 5:22% penta pyrrole worm guanidine capillary aqueous suspension agent
Penta pyrrole worm guanidine 20%, capillary 2%, agriculture breast 600#10%, lignosulfonates 4%, bentonite 5%, propane diols 3%, water supply 100%.Above raw material is prepared routinely to the method for suspending agent, made 22% penta pyrrole worm guanidine capillary suspending agents.
This medicament is used for preventing and treating the little green vegetables Oeobia undalis of knot, 30 grams/ha of effective ingredient consumption, and 50 kilograms of dilution sprayings of water, after medicine, 7 days preventive effects are 94.8%;
50 grams/ha of commercially available 20% penta 50 grams/ha of pyrrole worm guanidine suspending agent effective ingredient consumption and 10% capillary suspending agent effective ingredient consumption, used with same method, and after medicine, 7 days preventive effects are respectively 81.0% and 78.3%.
Embodiment 6:30% penta pyrrole worm guanidine capillary aqueous suspension agent
Penta pyrrole worm guanidine 8%, capillary 12%, NNO 4%, agriculture breast 600#8%, white carbon 5%, ethanol 5%, silicone defoaming agent 0.6%, water supply 100%.Above raw material is prepared routinely to the method for suspending agent, made 30% penta pyrrole worm guanidine capillary suspending agents.
This medicament is used for preventing and treating balling romaine lettuce beet armyworm, 30 grams/ha of effective ingredient consumption, and 50 kilograms of dilution sprayings of water, after medicine, 7 days preventive effects are 97.5%;
55 grams/ha of commercially available 20% penta 55 grams/ha of pyrrole worm guanidine suspending agent effective ingredient consumption and 10% capillary suspending agent effective ingredient consumption, used with same method, and after medicine, 7 days preventive effects are respectively 80.5% and 79.4%.
Embodiment 7:60% penta pyrrole worm guanidine acarid nitrile water dispersion granula
Penta pyrrole worm guanidine 58%, capillary 2%, sodium lignin sulfonate 5%, calcium dodecyl benzene sulfonate 3%, NNO 4%, kaolin 6%, bentonite supply 100%.The method of above raw material being prepared routinely to missible oil mixes, 60% penta pyrrole worm guanidine acarid nitrile water dispersion granulas.
This medicament is used for preventing and treating radish cabbage caterpillar, 30 grams/ha of effective ingredient consumption, and 50 kilograms of dilution sprayings of water, after medicine, 7 days preventive effects are 95.0%;
45 grams/ha of commercially available 20% penta 45 grams/ha of pyrrole worm guanidine suspending agent effective ingredient consumption and 10% capillary suspending agent effective ingredient consumption, used with same method, and after medicine, 7 days preventive effects are respectively 81.1% and 82.7%.
Embodiment 8: synergy detects (Toxicity Determination)
Adopt polypide infusion process to carry out indoor virulence biologicall test to beet armyworm, polypide is taken from suburb, Jinan cabbage field, and indoors artificial is raised to pupating, and after emergence, presses
pairing, supplements the nutrients with 1% mulse, after institute's spawning and hatching, with fresh clean cabbage leaves, feeds, and selects healthy consistent second instar larvae to carry out toxicity test.
Penta pyrrole worm guanidine capillary mixture of penta pyrrole worm guanidine (92% former medicine) and capillary (95% former medicine) two single doses and different proportionings is made into 5 serial geometric ratio mass concentrations with 0.1% Tween 80 water dissolved dilution respectively, respectively be placed in 500ml beaker, by with larva to soak worm cage tweezers soaking gently into the liquid, after 10 seconds, take out, with blotting paper, suck unnecessary liquid, difference mark, then the bio-incubator that to put into 25 ± 2 ℃, relative moisture be 60 ± 5%, feeds with fresh clean cabbage leaves.Each concentration is processed 30 of larvas, repeats 4 times, and the 0.1% Tween 80 water soaking containing corresponding acetone of take is contrast, 96 hours check results after medicine, and contrast lethality is invalid test higher than 20%.With data handling system (DPS) software, carry out statistical analysis, obtain the LC of each medicament
50value (95% confidence limit), by the co-toxicity coefficient (CTI) of the abundant method calculating toxicity index (TI) of Sun Yun and mixture.The co-toxicity coefficient of mixture (CTI value) calculates by following formula:
ATI=(S/M)*100
In formula:
ATI---mixture actual measurement toxicity index;
The LC of S---standard insecticide
50, unit is mg/l;
The LC of M---mixture
50, unit is mg/l.
TTI=TI
A*P
A+TI
B*P
B
In formula:
The theoretical toxicity index of TTI---mixture;
TI
a---the theoretical toxicity index of A medicament;
P
a---the percentage composition of A medicament in mixture, unit is percentage;
TI
b---the theoretical toxicity index of medicament;
P
b---the percentage composition of B medicament in mixture, unit is percentage.
CTC=(ATI/TTI)*100
In formula:
CTC---spends coefficient together;
The actual measurement toxicity index of ATI---mixture;
The theoretical toxicity index of TTI---mixture.
CTI is greater than 120 for synergistic effect, and CTI is less than 80 for antagonism, and CTI is greater than 80 and is less than 120 for summation action, the results are shown in Table 1.
Table 1 penta pyrrole worm guanidine and the composite different proportionings of capillary are to beet armyworm second instar larvae toxicity test result
| Medicament | LC 50（mg/l） | ATI | TII | CTC |
| Penta pyrrole worm guanidine | 98.25 | 100 | -- | -- |
| Capillary | 85.23 | 115.28 | -- | -- |
| Penta pyrrole worm guanidine: capillary=30:1 | 70.15 | 140.06 | 100.49 | 139.37 |
| Penta pyrrole worm guanidine: capillary=20:1 | 56.32 | 174.45 | 100.73 | 173.19 |
| Penta pyrrole worm guanidine: capillary=10:1 | 45.92 | 213.96 | 101.39 | 211.03 |
| Penta pyrrole worm guanidine: capillary=1:1 | 43.55 | 225.60 | 107.64 | 209.59 |
| Penta pyrrole worm guanidine: capillary=1:10 | 41.02 | 239.52 | 113.89 | 210.31 |
| Penta pyrrole worm guanidine: capillary=1:20 | 54.67 | 179.71 | 114.55 | 156.89 |
| Penta pyrrole worm guanidine: capillary=1:30 | 62.97 | 156.03 | 114.78 | 135.93 |
Known according to data in table 1, when penta pyrrole worm guanidine and capillary are composite with 30:1,20:1,10:1,1: 1,1:10,1:20,1:30 ratio according to active ingredient proportioning, it is all greater than 120 to the co-toxicity coefficient of beet armyworm, show as synergistic effect, wherein spend coefficient together more than 200 when proportioning 10:1,1:1,1:10, synergistic effect is especially remarkable.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (8)
1. penta pyrrole worm guanidine and a capillary complex insecticidal composition, is characterized in that, penta pyrrole worm guanidine and capillary, consists of, and the mass ratio of described penta pyrrole worm guanidine and capillary is 1:30-30:1.
2. Pesticidal combination according to claim 1, is characterized in that, the mass ratio of described penta pyrrole worm guanidine and capillary is 1:10-10:1.
3. Pesticidal combination according to claim 2, is characterized in that, the mass ratio of described penta pyrrole worm guanidine and capillary is 1:1-4:1.
4. the application of Pesticidal combination in control Cruciferous Vegetable Pests described in claim 1.
5. application according to claim 4, is characterized in that, described Cruciferous Vegetable Pests is diamond-back moth, beet armyworm, imported cabbageworm, prodenia litura, Oeobia undalis and cabbage caterpillar.
6. penta pyrrole worm guanidine and a capillary compounded pesticides, is characterized in that, acceptable auxiliary material on Pesticidal combination described in claim 1 and pesticidal preparations, consists of, and the mass percent that described Pesticidal combination accounts for described insecticide is 2%-85%.
7. insecticide according to claim 6, is characterized in that, the mass percent that described Pesticidal combination accounts for described insecticide is 20%-60%.
8. according to insecticide described in claim 6 or 7 any one, it is characterized in that, it is wetting powder, microemulsion, missible oil, water dispersible granules or suspending agent.
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