CN104719302A - Insecticidal composition containing chlorantraniliprole and pyridalyl - Google Patents
Insecticidal composition containing chlorantraniliprole and pyridalyl Download PDFInfo
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- CN104719302A CN104719302A CN201510129147.5A CN201510129147A CN104719302A CN 104719302 A CN104719302 A CN 104719302A CN 201510129147 A CN201510129147 A CN 201510129147A CN 104719302 A CN104719302 A CN 104719302A
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- pyridalyl
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- chlorantraniliprole
- armyworm
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Abstract
The invention discloses an insecticidal composition containing chlorantraniliprole and pyridalyl, which is characterized in that the insecticidal composition comprises the effective constituents: namely chlorantraniliprole and pyridalyl; a weight part ratio of chlorantraniliprole to pyridalyl is 1:5 to 5:1; and the sum of the weight of chlorantraniliprole and pyridalyl accounts for 4-97% of the weight of the insecticidal composition. The insecticidal composition is applied to agriculture for preventing and treating lepidoptera insects, and is superior to a single agent in the aspects of the fast-acting property and the persistent effect; the application dosage of a pesticide is reduced; the pesticide cost is reduced; and environmental protection and comprehensive treatment on agricultural insects are facilitated.
Description
Technical field
The present invention relates to pesticidal preparations and application thereof, specifically a kind of with four chlorantraniliproles and pyridalyl for active ingredient Pesticidal combination, be applied to the agriculture Lepidoptera class pest of control.
Background technology
Four chlorantraniliproles, it is benzamide insecticides, be combined by ryanodine receptor in pest body, open calcium channel, make to be stored in intracellular calcium ion sustained release in sarcoplasm, calcium ion and sarcoplasm mesostroma protein combination, cause muscle contracts last, polypide poisoning symptom shows as tic, food refusal, finally dead, excellent to the preventive effect of paddy rice rice leaf roller, corn armyworm.
Pyridalyl is the novel insecticidal agent that a kind of mechanism of action is not yet clear and definite, but has document to show, pyridalyl can cause the epidermis of lepidopterous larvae produce damaging scar and make it lethal, shows that its mechanism of action is not similar with the current conventional insecticide used.Pyridalyl highly selects insecticidal activity to multiple lepidoptera pest as corn armyworm, beet armyworm, imported cabbageworm, armyworm etc. have, and separately has bibliographical information pyridalyl thrips also to be had to the effect suppressing population to spread.
The lepidoptera pest generation alternation of generations, fertility is strong, and under suitable temperature and humidity conditions, number of pest increases rapidly in the short period of time exponentially, thus easily develops immunity to drugs to insecticide, causes serious harm to crop simultaneously.Such as: corn armyworm is the common lepidoptera pest of a class, agriculturally main harm corn, and its larva is binge often causes crushing disaster to corn; Beet armyworm is lepidoptera pest common above brassicaceous vegetable, and its larva gnaws harm dish leaf, often causes the damaged afoliate of vegetable leaf.
Different pesticide species composition carries out composite, is the common methods of preventing and treating agriculture resistant insect insect.The present inventor is on the basis of a large amount of indoor virulences and field medicine effect test, the compounded formula screening of four chlorantraniliproles and pyridalyl is conducted in-depth research, find that four chlorantraniliproles and pyridalyl carry out composite, in certain proportion, there is obvious synergistic function, and to corn armyworm, Chinese cabbage beet armyworm, there is outstanding control efficiency, after further study, the present invention is completed.
Summary of the invention
The technical problem that the present invention solves be to provide a kind of efficient, low toxicity and the lasting period long, can effectively prevent and treat Lepidoptera class pest, be conducive to the Pesticidal combination containing four chlorantraniliproles and pyridalyl of integrated pest management.
For solving the problem, the technical solution adopted in the present invention is: a kind of Pesticidal combination containing four chlorantraniliproles and pyridalyl, its active ingredient is four chlorantraniliproles and pyridalyl, the ratio of weight and number of four chlorantraniliproles and pyridalyl is 1:5 ~ 5:1, and four chlorantraniliproles and the percentage by weight of pyridalyl weight summation in Pesticidal combination are 4% ~ 97%.
Described Pesticidal combination according to well known to a person skilled in the art method, can be mixed with the application forms of the applicable agricultural uses such as suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
Described Pesticidal combination is also containing the usual auxiliaries of preparation needed for pesticidal preparations, usual auxiliaries is the mixing of one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, binding agent, disintegrant, pH adjusting agent, defoamer, antifreezing agent, filler etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The application of described Pesticidal combination, for preventing and treating crops Lepidoptera class pest.
Pesticidal combination provided by the invention, usually adopts the method for spraying to use, also can adopt other operation techniques agriculturally applied as required.
A kind of Pesticidal combination containing four chlorantraniliproles and pyridalyl provided by the invention has following beneficial effect:
1, four chlorantraniliproles and pyridalyl is composite has beyond thought synergistic function, are used alone the control efficiency that improve insect than single dose;
2, four chlorantraniliproles and the pyridalyl mechanism of action different, the generation of pest resistance to insecticide can be delayed;
3, four chlorantraniliproles and pyridalyl two kinds of active ingredients composite, decrease Pesticide use amount, reduce use cost and alleviate pollution to environment.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these embodiments.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Content described in embodiment is all weight percentage.
Example of formulations 1:22% tetra-chlorantraniliprole pyridalyl suspending agent
Concrete operation step is: first mixed by other auxiliary agent, and in clipper, shear-mixed is even, then adds active ingredient, in ball crusher, grinds 2-3h, make a diameter all at below 5mm, can obtain 22% 4 chlorantraniliprole pyridalyl suspending agent.
Example of formulations 2:12% tetra-chlorantraniliprole pyridalyl aqueous emulsion
Concrete operation step is: first active ingredient, solvent, emulsifier are mixed, and dissolves and becomes uniform oil phase; Again part water and other auxiliary agents are mixed, dissolve and become uniform aqueous phase; Then oil phase is added aqueous phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, 12% 4 chlorantraniliprole pyridalyl aqueous emulsion can be obtained.
Example of formulations 3:20% tetra-chlorantraniliprole pyridalyl microemulsion
Concrete operation step is: dissolved completely by active ingredient solvent, and then adds other auxiliary agent, mixes, finally adds water, after fully stirring, can obtain 20% 4 chlorantraniliprole pyridalyl microemulsion.
Example of formulations 4:36% tetra-chlorantraniliprole pyridalyl wetting powder
Concrete operation step is: active ingredient, other auxiliary agent and filler are mixed, fully stir in stirred tank, mixes, can obtain 36% 4 chlorantraniliprole pyridalyl wetting powder after airslide disintegrating mill is pulverized.
Example of formulations 5:22% tetra-chlorantraniliprole pyridalyl water dispersible granules
Concrete operation step is: active ingredient, auxiliary agent and filler are mixed, pulverize with micro jet, add after mediating after carrying out granulation, drying, screening in fluidized-bed granulation dryer, 22% 4 chlorantraniliprole pyridalyl water dispersible granules can be obtained.
Assays Example 1: four chlorantraniliprole and pyridalyl are to the indoor joint toxicity measuring of armyworm, beet armyworm.
Test medicine adopts the former medicine of 95% 4 chlorantraniliprole and the former medicine of 91% pyridalyl.
Examination worm is from corn armyworm 3 instar larvae of corn field collection through indoor feeding 3 generation.
Examination worm is gather beet armyworm 3 instar larvae through indoor feeding 3 generation from Chinese cabbage.
The corn armyworm larva gathered in field is transferred on maize leaf and raises, and after larvae pupation, is collected in the culture dish being lined with moisturizing filter paper by pupa, puts into cage of laying eggs and sprouts wings by it.Then the potted plant corn of Seedling Stage is put into cage of laying eggs and allow corn armyworm Adult worms producting eggs, take out potted plant corn after 48h, be placed on climatic cabinate [temperature: 24 ~ 26 DEG C; Relative moisture 70% ~ 80%; Illumination: 14 (L): 10 (D)] in allow egg hatching, raise to 3 instar larvaes, after so repeatedly carrying out raising three generations, choose 3 instar larvaes and test.
Maize leaf is cut into the maize leaves section of consistent size, leaf section is dipped in liquid solvent to be measured, take out after 10s and dry, make the maize leaves section of band medicine film, then be placed in the culture dish containing moisturizing filter paper, access examination worm, often processes and repeats for 4 times, often repeat 10 examination worms, and establish not containing medicament corresponding organic solvent process in contrast.After process, 72h investigation examination worm death condition, records dead borer population, and calculates corrected mortality.
The beet exigua larvae that field gathers is put into off-the-shelf Chinese cabbage seedling, after larvae pupation, pupa is collected in the culture dish being lined with moisturizing filter paper, put into cage of laying eggs to sprout wings by it, then the Chinese cabbage seedling of whole dish being put into cage of laying eggs allows beet exigua larvae lay eggs, often coil Chinese cabbage seedling and fall ovum amount when reaching about 500, take out Chinese cabbage seedling dish, be placed on climatic cabinate [temperature: 24 ~ 26 DEG C; Relative moisture 70% ~ 80%; Illumination: 14 (L): 10 (D)] in allow egg hatching, raise to 3 instar larvaes.
The malicious blade method of folder is adopted to measure: to beat with the card punch of diameter 1cm and get leaf butterfly, put into culture dish, moisturizing.With capillary dropper from low concentration, every leaf butterfly drop 1ul liquid, involutory the making of leaf butterfly scribbling gelatinized corn starch after solvent volatilization with another sheet presss from both sides malicious leaf butterfly, makes in the complete hole being put in 12 hole tissue culturing plates.Often process and repeat for 4 times, often repeat to be no less than 12 malicious leaf butterflies of folder, and establish not containing the corresponding organic solvent of medicament process in contrast.Connect 1 examination worm in each hole of tissue culturing plate, be placed in normal condition and cultivate.After meeting worm 2 ~ 4h, after examination worm has taken food pastille leaf butterfly, in cultivation plate hole, add clean feeds continue to raise to investigation, eliminated the examination worm not eaten a complete leaf butterfly.Each dosage process examination borer population 80.After process, 72h investigation examination worm death condition, records total borer population and dead borer population.
Statistical analysis is carried out, by calculating the LC of each medicament with DPS statistical analysis software
50evaluate the insecticidal activity of each medicament, and calculate the co-toxicity coefficient (CTC value) of mixture according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T11547.7-2006 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
As can be seen from Table 1 and Table 2, four chlorantraniliproles and pyridalyl composite in the weight ratio of 1:5 ~ 5:1 time, co-toxicity coefficient (CTC) is all greater than 120, all shows synergistic function to corn armyworm, beet armyworm.Visible four chlorantraniliproles and pyridalyl is composite has reasonability and feasibility.
Table 1, four chlorantraniliproles and pyridalyl are to the indoor joint toxicity measuring result of armyworm
Table 2, four chlorantraniliproles and pyridalyl are to the indoor joint toxicity measuring result of beet armyworm
Assays Example 2: four chlorantraniliprole and the composite field control effectiveness test to armyworm, beet armyworm of pyridalyl.
Armyworm test site is positioned at corn garden, Ma An town, Huizhou, in corn armyworm harm Sheng phase dispenser, adopt spray-on process, adopt 10% 4 chlorantraniliprole suspending agent, 10.5% pyridalyl missible oil medicament in contrast, 7 chemicals treatment are established in test altogether, and each process repeats for 3 times.Cornerwise five somes investigation in district insect population radix is managed throughout, often some investigation 10 strain corns before dispenser.Within after dispenser 3 days, 7 days, 14 days, respectively investigate a control efficiency, record residual borer population, calculate control efficiency by Revision insect recluced rate, result of the test is as shown in table 3.
The result of the test of table 3, four chlorantraniliproles and pyridalyl mixture control of maize armyworm
All to use apparently higher than the chlorantraniliprole suspending agent single dose same period 10% 4 preventive effect of corn armyworm after four chlorantraniliproles and pyridalyl composite 3d, 7d, 14d as can be seen from Table 3 and 10.5% pyridalyl missible oil single dose uses, the preventive effect to corn armyworm can be improved compared with illustrating that four chlorantraniliproles and pyridalyl are composite and being used alone with two kinds of single doses, after medicine, 14d preventive effect still reaches more than 80% simultaneously, illustrate to have good lasting effect, duration of test does not find that this compound drug produces poisoning to corn.
Beet armyworm test site is positioned at Chinese cabbage garden, Li Lin town, Huizhou.In beet armyworm harm Sheng phase dispenser, adopt spray-on process.Adopt 10% 4 chlorantraniliprole suspending agent, 10.5% pyridalyl missible oil medicament in contrast, 7 chemicals treatment are established in test altogether, and each process repeats for 3 times.Cornerwise five somes investigation in district insect population radix is managed throughout, often some investigation 10 strain Chinese cabbages before dispenser.Within after dispenser 3 days, 7 days, 14 days, respectively investigate a control efficiency, record residual borer population, calculate control efficiency by Revision insect recluced rate, result of the test is as shown in table 4.
Table 4, four chlorantraniliproles and pyridalyl mixture prevent and treat the result of the test of beet armyworm
All to use apparently higher than the chlorantraniliprole suspending agent single dose same period 10% 4 preventive effect of beet armyworm after four chlorantraniliproles and pyridalyl composite 3d, 7d, 14d as can be seen from Table 4 and 10.5% pyridalyl missible oil single dose uses, the preventive effect to beet armyworm can be improved compared with illustrating that four chlorantraniliproles and pyridalyl are composite and being used alone with two kinds of single doses, after medicine, 14d preventive effect still reaches more than 90% simultaneously, illustrate to have good lasting effect, duration of test does not find that this compound drug produces poisoning to Chinese cabbage.
Assays Example 3: armyworm, the pesticide resistance indoor measurement of beet armyworm to four chlorantraniliproles and pyridalyl are tested.
Four chlorantraniliproles, the former medicine of pyridalyl are mixed with the test medicine needed for test.Worm source gathers from Huizhou.Test adopts dip method, and the concentration that test medicine adopts is the 50%-90% lethal dose of armyworm, beet armyworm, impregnated in treatment fluid by examination worm, rejects dead examination worm after 72 hours, and the examination worm stayed continues at indoor feeding, so repeatedly processes 20 generations examination worm.If the liquid only containing auxiliary agent is treated to blank.Measure each medicament tries worm half lethal concentration LC to 1st generation, the 5th generation, the 10th generation and the 20th generation
50, by contrast each treatment agent to 1st generation, the 5th generation, the 10th generation and the 20th generation examination worm LC
50evaluate examination worm to change the pesticide resistance of reagent agent.
Can find out according to table 5, table 6, in four chlorantraniliproles and pyridalyl complex preparation process 20 generation, try the pesticide resistance that the pesticide resistance of worm population to this compound auxiliary is starkly lower than four chlorantraniliproles and the generation of pyridalyl single dose process 20 generation examination worm after trying worm.This test shows, four chlorantraniliproles and pyridalyl compositely can effectively delay corn armyworm, Chinese cabbage beet armyworm develops immunity to drugs.
Table 5, four chlorantraniliproles and pyridalyl are composite to the drug-fast determination test result of corn armyworm
Note: above table medium multiple represents that corresponding algebraically corn armyworm is to the pesticide resistance of each medicament.
Table 6, four chlorantraniliproles and pyridalyl are composite to the drug-fast determination test result of beet armyworm
Note: above table medium multiple represents that corresponding algebraically beet armyworm is to the pesticide resistance of each medicament.
In sum, the present invention adopts two kinds of active components to be the complex composition of four chlorantraniliproles and pyridalyl, compared with existing unitary agent, not only there is obvious synergistic effect, also have good insecticidal effect, the lasting period is long, to Crop securify, the generation of pest resistance to insecticide can be slowed down, be worth applying in agricultural production.
Claims (3)
1. one kind contains the Pesticidal combination of four chlorantraniliproles and pyridalyl, it is characterized in that: its active ingredient is four chlorantraniliproles and pyridalyl, the ratio of weight and number of four chlorantraniliproles and pyridalyl is 1:5 ~ 5:1, and four chlorantraniliproles and the percentage by weight of pyridalyl weight summation in Pesticidal combination are 4% ~ 97%.
2. a kind of Pesticidal combination containing four chlorantraniliproles and pyridalyl according to claim 1, is characterized in that: its formulation is the one in suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
3. the Pesticidal combination containing four chlorantraniliproles and pyridalyl is agriculturally to prevent and treat the application in Lepidoptera class pest.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102047914A (en) * | 2009-10-29 | 2011-05-11 | 中国中化股份有限公司 | Pesticide composition |
| CN103355306A (en) * | 2012-03-27 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing pyridalyl and amide |
| CN104255735A (en) * | 2014-09-19 | 2015-01-07 | 青岛瀚生生物科技股份有限公司 | Pyridalyl and tetra-chlorantraniliprole compounded insecticidal composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102047914A (en) * | 2009-10-29 | 2011-05-11 | 中国中化股份有限公司 | Pesticide composition |
| CN103355306A (en) * | 2012-03-27 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing pyridalyl and amide |
| CN104255735A (en) * | 2014-09-19 | 2015-01-07 | 青岛瀚生生物科技股份有限公司 | Pyridalyl and tetra-chlorantraniliprole compounded insecticidal composition |
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