CN102939984B - Pesticide composite compounded of Wubichonggua and indoxacarb and preparation and application thereof - Google Patents
Pesticide composite compounded of Wubichonggua and indoxacarb and preparation and application thereof Download PDFInfo
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- CN102939984B CN102939984B CN201210499570.0A CN201210499570A CN102939984B CN 102939984 B CN102939984 B CN 102939984B CN 201210499570 A CN201210499570 A CN 201210499570A CN 102939984 B CN102939984 B CN 102939984B
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Abstract
The invention relates to the field of pesticide preparations, and particularly discloses a pesticide composite compounded of Wubichonggua and indoxacarb. The pesticide composite contains Wubichonggua and indoxacarb. The invention also discloses a pesticide compounded of Wubichonggua and indoxacarb, which contains the pesticide composite provided by the invention and acceptable auxiliary materials of pesticide preparations, wherein the pesticide composite accounts for 0.1-90 percent by mass of the pesticide. The pesticide composite and the preparation of the pesticide composite disclosed by the invention have obviously enhanced killing effect on lepidoptera pests and achieve obvious synergetic effect; moreover, the generation of 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 an agriculture field.
Description
Technical field
The present invention relates to pesticidal preparations field, relate to specifically a kind of penta pyrrole worm guanidine and indoxacarb complex insecticidal composition and preparation and application.
Background technology
Lepidoptera is the order second largest in Insecta, comprises various butterflies and moth class, and the overwhelming majority belongs to insect.Lepidoptera pest is very big to murrain, and almost each crop all can be subject to the harm of one or both lepidoptera pests.China crops lose seriously because of lepidoptera pest every year, and therefore the general use of insecticide in most farmlands is prevented and treated lepidoptera pest.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.
Indoxacarb (Indoxacarb); chemical name is 7-chloro-2; 5-dihydro-2-[N-(methoxy methyl acyl group)-4-(trifluoromethoxy) aniline formyl] indeno [1,2-e] [1,3; 4] oxadiazines-4a (3H)-methyl formate; be the oxadiazines class sodium channel blockers that du pont company develops and develops, have and tag and stomach poison function, by the sodium-ion channel in blocking-up insect nerve cell; make nerve cell loss of function, almost all effective to all lepidoptera pests.Medicament enters in insect bodies by contacting and taking food, and in 0-4 hour, insect stops taking food, and is benumbed immediately, and the coordination ability of insect can decline (can cause larva to fall from crop), generally dead in 24-60 hour after medicine.Be applicable to prevent and treat the insects such as beet armyworm on the crops such as wild cabbage, flower coconut palm class, cabbage mustard, tomato, capsicum, cucumber, little cucumber, eggplant, lettuce, apple, pears, peach, apricot, cotton, potato, grape, diamond-back moth, cabbage caterpillar, prodenia litura, tomato moth, cotton bollworm, oriental tobacco budworm, leaf rollers, codling moth, leafhopper, spark, colorado potato beetle.
Insecticide can be protected the growth of crops better efficiently; although indoxacarb has excellent preventive effect to lepidoptera pest; but its control efficiency can't farthest protect crops not to be subject to the infringement of lepidoptera pest; and use for a long time indoxacarb 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 lepidoptera pest 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 indoxacarb complex insecticidal composition and preparation and application, can improve the preventive effect to lepidoptera pest.
For realizing object of the present invention, the present invention adopts following technical scheme:
Penta pyrrole worm guanidine and an indoxacarb complex insecticidal composition, be comprised of penta pyrrole worm guanidine and indoxacarb.
Wherein, the mass ratio of described penta pyrrole worm guanidine and indoxacarb is preferably 1:100-100:1,1:90-90:1 more preferably, then 1:30-60:1 more preferably, and more preferably 1:1-20:1, most preferably is 4:1.
Indoxacarb (indoxacarb); chemical name is 7-chloro-2; 3; 4a; 5-tetrahydrochysene-2-[methoxycarbonyl (4-Trifluoromethoxyphen-l) carbamoyl] indeno [1; 2-e] [1; 3,4-] oxadiazines-4a-carboxylate methyl ester ，You du pont company opens and sends out into merit oxadiazine class high-efficient broad-spectrum insecticide; it is sodium-ion channel inhibitor; structure new role mechanism is unique, and consumption is low, all effective to nearly all lepidoptera pest (as cotton bollworm, cabbage caterpillar, oriental tobacco budworm, diamond-back moth etc.); and to the mankind, environment crop and non-target organism the feature such as safely.Have and tag and stomach poison function, all effective to each instar larvae.Medicament enters in insect bodies by contacting and taking food, and in 0-4 hour, insect stops taking food, and is benumbed immediately, and the coordination ability of insect can decline (can cause larva to fall from crop), generally dead in 24-60 hour after medicine.But indoxacarb systemic action is poor, basic inconductivity, the lasting period is partially short, and cost accounting is higher.
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 indoxacarb 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 0.1%-90%, is preferably 10%-90%.
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 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 diamond-back moth and beet armyworm as target pest, calculate co-toxicity coefficient and evaluate penta pyrrole worm guanidine effect mixed with indoxacarb, result shows that co-toxicity coefficient is all 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 and beet armyworm, adopt the insecticide of different proportionings of the present invention and penta pyrrole worm guanidine single dose, indoxacarb single dose to contrast, in effective ingredient consumption, equal 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 lepidoptera pest, and there is synergistic effect.
Therefore, Pesticidal combination of the present invention can be applied in control lepidoptera pest, and described lepidoptera pest is preferably diamond-back moth and beet armyworm.
From above technical scheme, Pesticidal combination of the present invention and preparation thereof significantly improve the insecticidal effect of lepidoptera pest, 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 indoxacarb 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 indoxacarb complex insecticidal composition and preparation thereof and application are elaborated.
Embodiment 1:18.2% penta pyrrole worm guanidine indoxacarb wetting powder
Penta pyrrole worm guanidine 0.2%, indoxacarb 18%, methylcellulose 9%, NNO 6%, kaolin supply 100%.Above raw material is prepared routinely to the method for wetting powder and fully mixed, be crushed to certain fineness, make 18.2% penta pyrrole worm guanidine indoxacarb wetting powders.
Embodiment 2:31% penta pyrrole worm guanidine indoxacarb microemulsion
Penta pyrrole worm guanidine 1%, indoxacarb 30%, calcium dodecyl benzene sulfonate 5%, phenethyl phenol polyethenoxy ether phosphate 4%, agriculture breast 600#2%, alkylphenol polyoxyethylene 1%, isopropyl alcohol 10%, water supplies 100%.The method of above raw material being prepared routinely to microemulsion mixes, and makes 31% penta pyrrole worm guanidine indoxacarb microemulsions
Embodiment 3:66% penta pyrrole worm guanidine indoxacarb missible oil
Penta pyrrole worm guanidine 6%, indoxacarb 60%, alkylphenol polyoxyethylene 10%, agriculture breast 500#15%, soybean oil supply 100%.The method of above raw material being prepared routinely to missible oil mixes, and makes 66% penta pyrrole worm guanidine indoxacarb missible oil.
Embodiment 4:60% penta pyrrole worm guanidine indoxacarb wetting powder
Penta pyrrole worm guanidine 10%, indoxacarb 50%, lignosulfonates 4%, lauryl sodium sulfate 3%, white carbon 4%, kaolin add to 100%.Above raw material is prepared to wettable powder agent method routinely and fully mix, pulverize certain fineness, make 60% penta pyrrole worm guanidine indoxacarb wetting powders.
Embodiment 5:10% penta pyrrole worm guanidine indoxacarb suspending agent
Penta pyrrole worm guanidine 5%, indoxacarb 5%, agriculture breast 600#20%, bentonite 6%, water supply 100%.The method of above raw material being prepared routinely to suspending agent mixes, and makes 10% penta pyrrole worm guanidine indoxacarb suspending agents
Embodiment 6:25% penta pyrrole worm guanidine indoxacarb oil-suspending agent
Penta pyrrole worm guanidine 20%, indoxacarb 5%, white carbon 6%, agriculture breast 500#5%, 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 indoxacarb oil-suspending agents.
Embodiment 7:33% penta pyrrole worm guanidine indoxacarb missible oil
Penta pyrrole worm guanidine 30%, indoxacarb 3%, calcium dodecyl benzene sulfonate 5%, agriculture breast 600#6%, soybean oil supply 100%.The method of above raw material being prepared routinely to missible oil mixes, and makes 33% penta pyrrole worm guanidine indoxacarb missible oil.
Embodiment 8:50% penta pyrrole worm guanidine indoxacarb microemulsion
Penta pyrrole worm guanidine 48%, indoxacarb 2%, agriculture breast 600#5%, butyl glycidyl ether 5%, sodium alkyl benzene sulfonate 3%, isoamyl alcohol 3.5%, deionized water 38%.The method that above raw material is prepared to microemulsion routinely mixes, standing, heating, fully stirring can obtain 50% penta pyrrole worm guanidine indoxacarb microemulsions.
Embodiment 9:3.1% penta pyrrole worm guanidine indoxacarb microemulsion
Penta pyrrole worm guanidine 3%, indoxacarb 0.1%, agriculture breast 1602#4%, agriculture breast 500#3%, NMP 5%, isopropyl alcohol 6%, soybean oil 6%, deionized water supply 100%.The method of above raw material being prepared routinely to microemulsion mixes, and makes 3.1% penta pyrrole worm guanidine indoxacarb microemulsions.
Embodiment 10:9% penta pyrrole worm guanidine indoxacarb oil-suspending agent
Penta pyrrole worm guanidine 8.8%, indoxacarb 0.2%, white carbon 6%, agriculture breast 1601#6%, methyl oleate supply 100%.The method of above raw material being prepared routinely to oil-suspending agent mixes, and is crushed to certain fineness, makes 9% penta pyrrole worm guanidine indoxacarb oil-suspending agents.
Embodiment 11:90% penta pyrrole worm guanidine indoxacarb wetting powder
Penta pyrrole worm guanidine 89%, indoxacarb 1%, methylcellulose 1%, NNO 4%, white carbon 1%, kaolin supply 100%.Above raw material is prepared routinely to the method for wetting powder and fully mixed, be crushed to certain fineness, make 90% penta pyrrole worm guanidine indoxacarb wetting powders.
Embodiment 12: the control beet armyworm test of pesticide effectiveness
By the complex preparation of embodiment 3,5,6 and commercially available single dose, 20% penta pyrrole worm guanidine SC, 15% indoxacarb SC do comparative trial.Subjects is beet armyworm, and whole duration of test is without rainfall.This tests 3 days, 7 days investigation results after dispenser.
Drug effect is calculated as follows:
Borer population after borer population * treatment region medicine before control efficiency (%)=1-(blank district)/(behind blank district before borer population * treatment region medicine borer population)
Field control effectiveness test the results are shown in Table 1.
Table 1 control beet armyworm result of the test
By table 1 result, can be found out, in effective ingredient consumption, identical or compound drug consumption is less than under the prerequisite of single dose in test, insecticide insecticidal effect of the present invention is higher than each single dose, show that Pesticidal combination of the present invention and preparation thereof can improve the preventive effect to lepidoptera pest, and there is synergistic effect.
Embodiment 13: the control diamond-back moth test of pesticide effectiveness
By the complex preparation of embodiment 2,5,7 and commercially available single dose, 20% penta pyrrole worm guanidine SC, 15% indoxacarb SC do comparative trial.Subjects is diamond-back moth, and whole duration of test is without rainfall.This tests 3 days, 7 days investigation results after dispenser.
Drug effect is calculated as follows:
Borer population after borer population * treatment region medicine before control efficiency (%)=1-(blank district)/(behind blank district before borer population * treatment region medicine borer population)
Field control effectiveness test the results are shown in Table 2.
Table 2 control diamond-back moth result of the test
By table 2 result, can be found out, in effective ingredient consumption, identical or compound drug consumption is less than under the prerequisite of single dose in test, insecticide insecticidal effect of the present invention is higher than each single dose, show that Pesticidal combination of the present invention and preparation thereof can improve the preventive effect to lepidoptera pest, and there is synergistic effect.
Embodiment 14: synergy detects (Toxicity Determination)
Adopt polypide infusion process respectively diamond-back moth and beet armyworm to be carried out to indoor virulence biologicall test, polypide is taken from suburb, Jinan cabbage field, and indoors artificial is raised to pupating, and presses 1 ♀: 2 after sprouting wings
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 indoxacarb mixture of penta pyrrole worm guanidine (92% former medicine) and indoxacarb (90% 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 C TI 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 3 and table 4.
Table 3 penta pyrrole worm guanidine and the composite different proportionings of indoxacarb are to diamond-back moth second instar larvae toxicity test result
| Medicament | LC 50（mg/l） | ATI | TII | CTC |
| Penta pyrrole worm guanidine | 99.91 | 5.53 | -- | -- |
| Indoxacarb | 5.53 | 100 | -- | -- |
| Penta pyrrole worm guanidine: indoxacarb=60:1 | 54.55 | 10.14 | 7.08 | 143.11 |
| Penta pyrrole worm guanidine: indoxacarb=30:1 | 42.67 | 12.96 | 8.58 | 151.01 |
| Penta pyrrole worm guanidine: indoxacarb=20:1 | 29.42 | 18.80 | 10.03 | 187.34 |
| Penta pyrrole worm guanidine: indoxacarb=4:1 | 11.02 | 50.18 | 24.43 | 205.43 |
| Penta pyrrole worm guanidine: indoxacarb=1:1 | 5.24 | 105.53 | 52.77 | 200.00 |
| Penta pyrrole worm guanidine: indoxacarb=1:10 | 3.98 | 138.94 | 91.41 | 152.00 |
| Penta pyrrole worm guanidine: indoxacarb=1:30 | 4.29 | 132.96 | 96.95 | 132.96 |
Table 4 penta pyrrole worm guanidine and the composite different proportionings of indoxacarb are to beet armyworm second instar larvae toxicity test result
| Medicament | LC 50（mg/l） | ATI | TII | CTC |
| Penta pyrrole worm guanidine | 79.31 | 11.03 | -- | -- |
| Indoxacarb | 8.75 | 100 | -- | -- |
| Penta pyrrole worm guanidine: indoxacarb=60:1 | 49.96 | 17.51 | 12.49 | 140.21 |
| Penta pyrrole worm guanidine: indoxacarb=30:1 | 42.56 | 20.56 | 13.90 | 147.88 |
| Penta pyrrole worm guanidine: indoxacarb=20:1 | 30.32 | 28.86 | 15.27 | 189.00 |
| Penta pyrrole worm guanidine: indoxacarb=4:1 | 14.81 | 59.08 | 28.83 | 204.96 |
| Penta pyrrole worm guanidine: indoxacarb=1:1 | 8.05 | 108.70 | 55.52 | 195.79 |
| Penta pyrrole worm guanidine: indoxacarb=1:10 | 6.22 | 140.68 | 91.91 | 153.05 |
| Penta pyrrole worm guanidine: indoxacarb=1:30 | 6.58 | 132.98 | 97.13 | 136.91 |
Known according to data in table 3 and table 4, when penta pyrrole worm guanidine and indoxacarb are composite with 60:1,30:1,20:1,4:1,1: 1,1:10,1:30 ratio according to active ingredient proportioning, it is all greater than 120 to the co-toxicity coefficient of diamond-back moth and beet armyworm, show as synergistic effect, wherein spend coefficient together more than 180 when proportioning 20:1,4:1,1:1, synergistic effect is especially remarkable, during with 4:1 for the highest.
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 an indoxacarb complex insecticidal composition, is characterized in that, penta pyrrole worm guanidine and indoxacarb, consists of, and the mass ratio of described penta pyrrole worm guanidine and indoxacarb is 1:30-60:1.
2. Pesticidal combination according to claim 1, is characterized in that, the mass ratio of described penta pyrrole worm guanidine and indoxacarb is 1:1-20:1.
3. Pesticidal combination according to claim 2, is characterized in that, the mass ratio of described penta pyrrole worm guanidine and indoxacarb is 4:1.
4. the application of Pesticidal combination in control lepidoptera pest described in claim 1.
5. application according to claim 4, is characterized in that, described lepidoptera pest is diamond-back moth and beet armyworm.
6. penta pyrrole worm guanidine and an indoxacarb 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 0.1%-90%.
7. insecticide according to claim 6, is characterized in that, the mass percent that described Pesticidal combination accounts for described insecticide is 10%-90%.
8. according to insecticide described in claim 6 or 7 any one, it is characterized in that, it is wetting powder, microemulsion, missible oil or suspending agent.
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