CN104094957A - Deinsectization composition containing chlorine chlorfenapyr and indoxacarb - Google Patents
Deinsectization composition containing chlorine chlorfenapyr and indoxacarb Download PDFInfo
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- CN104094957A CN104094957A CN201410294428.1A CN201410294428A CN104094957A CN 104094957 A CN104094957 A CN 104094957A CN 201410294428 A CN201410294428 A CN 201410294428A CN 104094957 A CN104094957 A CN 104094957A
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- indoxacarb
- chlorine chlorfenapyr
- chlorfenapyr
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Abstract
The invention discloses a deinsectization composition containing chlorine chlorfenapyr and indoxacarb and application thereof. The deinsectization composition comprises frequently used aids, the chlorine chlorfenapyr and the indoxacarb, the weight part ratio of the chlorine chlorfenapyr to the indoxacarb is 5:1-1:5, and the total weight of the chlorine chlorfenapyr and the indoxacarb is 2-80 percent of that of the deinsectization composition. The deinsectization composition is applied to the prevention and treatment of agricultural lepidoptera pests, is better than single agents in both quick acting performance and durability, lowers the dosage of pesticides, reduces the use cost of the pesticides, and facilitates the environmental protection and the comprehensive treatment of agricultural pests.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, is taking chlorine chlorfenapyr and indoxacarb as active ingredient, for preventing and treating pest, and particularly Lepidoptera class pest.
Background technology
The resistance problem of pest is a global problem, is the emphasis problem that agricultural science and technology worker pays close attention to always.Along with the continuity year in year out of Chemical Control of Harmful Insects, increase and the non-science of agricultural chemicals usage amount are used agricultural chemicals, pest resistance is day by day serious, and the pest species that produces resistance is on the increase.Meanwhile, high-intensity use agricultural chemicals, causes that Practice for Pesticide Residue in Agricultural Products exceeds standard, environmental pollution and the increase of peasant's drug cost etc., is unfavorable for agricultural sustainable development.Therefore, the insect growth regulator, IGR agricultural chemicals of efficient, the low toxicity of research and development, environmental protection has positive effect to agricultural sustainable development.
Thereby the mechanism of action of chlorine chlorfenapyr is by disturbing Intramitochondrial electrochemical gradient blocking oxide phosphorylation process.The pest such as lepidopterous larvae, coleoptera and Homoptera are had tag, stomach toxicity and comprehensive toxic action, applied widely, to crop safety.
Indoxacarb has unique mechanism of action, it is converted into rapidly DCJW (N.2 removing methoxycarbonyl group metabolite) in insect bodies, act on insect nerve cell inactivation state Voltage-gated sodium channels by DCJW, nerve impulse transmission in irreversible blocking-up insect bodies, destruction nerve impulse is transmitted, and causes pest movements to lack of proper care, can not take food, benumb and finally death.
The mixture of different pesticide species is common methods of the agriculture disease pest and weed of control.Screening by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the drug-fast generation of disease pest and weed, is the important means that agricultural synthesis is administered.The inventor conducts in-depth research the formula screening of chlorine chlorfenapyr and indoxacarb, finds that chlorine chlorfenapyr and indoxacarb carry out mixture, in certain mixed ratio scope, insect had to obvious synergistic effect, after further study, has completed the present invention.
The composition of chlorine chlorfenapyr and indoxacarb and application there is no report at present.
Summary of the invention
The object of this invention is to provide a kind of efficient, low toxicity and lasting period long, can effectively prevent and treat brassicaceous vegetable flea beetle and fruit tree two spotted spider mite, be conducive to the Pesticidal combination that contains chlorine chlorfenapyr and indoxacarb of integrated pest management.
The technical solution adopted in the present invention is: a kind of Pesticidal combination that contains chlorine chlorfenapyr and indoxacarb, comprise usual auxiliaries, chlorine chlorfenapyr and indoxacarb, the ratio of weight and number of chlorine chlorfenapyr and indoxacarb is 5:1-1:5, and chlorine chlorfenapyr and the percentage by weight of indoxacarb weight summation in Pesticidal combination are 2-80%.
Preferably, chlorine chlorfenapyr and the percentage by weight of indoxacarb weight summation in Pesticidal combination are 10-60%.
Described Pesticidal combination can, according to well known to a person skilled in the art method, be mixed with the application forms of the applicable agricultural uses such as aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules.
Described Pesticidal combination also contains preparation pesticidal preparations required usual auxiliaries, usual auxiliaries be solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener,
pthe mixing of one or more in H conditioning agent, defoamer, antifreezing agent, packing agent etc., is known substance, is various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, is not particularly limited.
The application of described Pesticidal combination, for preventing and treating crop pests, especially Lepidoptera class pest.
Pesticidal combination provided by the invention, adopts the method for spraying to use conventionally, also can adopt as required other operation techniques of the upper application of agricultural.
The present invention has following beneficial effect:
1, Pesticidal combination provided by the invention shows obvious synergistic effect in certain ratio range, and the control efficiency of composition is significantly improved than single dose, has reduced the using dosage of agricultural chemicals, has reduced the impact of agricultural chemicals on environment, has reduced drug cost.
2, the active ingredient mechanism of action of Pesticidal combination provided by the invention is different, and the application of composition can delay or overcome the generation of pest resistance to insecticide, increases the service life, and is conducive to the comprehensive regulation of insect.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these embodiment.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 of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in 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.
For further understanding the co-toxicity of chlorine chlorfenapyr and indoxacarb mixture, the inventor has carried out a large amount of Toxicity Determination tests to chlorine chlorfenapyr and indoxacarb mixture.
Biologicall test embodiment 1: to the joint toxicity measuring test of diamond-back moth
Test medicine adopts the former medicine of 98% chlorine chlorfenapyr, the former medicine of 94% indoxacarb.
The diamondback moth larvae that field is gathered is put into off-the-shelf Chinese cabbage seedling, after larvae pupation, pupa is collected in the culture dish that is lined with moisturizing filter paper, putting into the cage of laying eggs sprouts wings by it, then the Chinese cabbage seedling of whole dish being put into the cage of laying eggs allows diamondback moth larvae lay eggs, every dish Chinese cabbage seedling falls ovum amount while reaching 500 left and right, takes out Chinese cabbage seedling dish, is placed on climatic cabinate [temperature: 24～26 DEG C; Relative moisture 70%～80%; Illumination: 14 (L): 10 (D)] in allow ovum hatching, raise to 3 instar larvaes.
Adopt the malicious blade method of folder to measure: to beat and get leaf butterfly with the card punch of diameter 1cm, put into culture dish, moisturizing.With capillary dropper from low concentration, every leaf butterfly drop 1ul liquid, after solvent evaporates and another sheet scribble that the leaf butterfly of gelatinized corn starch is involutory makes the malicious leaf butterfly of folder, make in the complete hole that is put in 12 hole tissue culturing plates.Every processing 4 times repeats, and often repeats to be no less than 12 malicious leaf butterflies of folder, and establishes not containing the processing of the corresponding organic solvent of medicament in contrast.In the each hole of tissue culturing plate, connect 1 examination worm, be placed in normal condition and cultivate.Connect after worm 2～4h, taken food after pastille leaf butterfly wait trying worm, in cultivation plate hole, add clean feed to continue to raise to investigating, eliminate the examination worm that has not eaten a complete leaf butterfly.Each dosage is processed 80 of examination borer populations.After processing, 48h investigation examination worm death condition, records total borer population and dead borer population.
According to survey data, calculate the corrected mortality of each processing.And according to co-toxicity coefficient (the CTC value of the abundant method calculating of Sun Yun mixture.If) contrast lethality < 5%, do not proofread and correct; Contrast lethality, between 5%～20%, is proofreaied and correct; Contrast lethality > 20%, test need be reformed.Be independent variable x according to the logarithm value of drug concentration (mg/L), taking the probit value of corrected mortality as dependent variable y, set up respectively virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50and mixture co-toxicity coefficient.
Table 1, chlorine chlorfenapyr and the indoxacarb toxicity test result table to diamond-back moth.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Chlorine chlorfenapyr | 13.61 | 100.00 | - | - |
| Indoxacarb | 0.52 | 2617.31 | - | - |
| Chlorine chlorfenapyr: indoxacarb (5:1) | 1.96 | 694.39 | 519.55 | 133.65 |
| Chlorine chlorfenapyr: indoxacarb (3:1) | 1.43 | 951.75 | 729.33 | 130.50 |
| Chlorine chlorfenapyr: indoxacarb (1:1) | 0.82 | 1659.76 | 1358.65 | 122.16 |
| Chlorine chlorfenapyr: indoxacarb (1:3) | 0.55 | 2474.55 | 1987.98 | 124.48 |
| Chlorine chlorfenapyr: indoxacarb (1:5) | 0.49 | 2777.55 | 2197.76 | 126.38 |
As can be seen from Table 1, chlorine chlorfenapyr and indoxacarb respectively taking 5:1,3:1,1:1,1:3,1:5 combination to diamond-back moth CTC value as 133.65,130.50,122.16,124.48,126.38, illustrate that chlorine chlorfenapyr and indoxacarb combine and have synergistic effect.
The raw embodiment 2 that surveys: to the joint toxicity measuring test of rice leaf roller.
Test medicine adopts the former medicine of 98% chlorine chlorfenapyr, the former medicine of 94% indoxacarb.
Rice leaf roller is the paddy rice rice leaf roller larvae worm source that gathers from field, Shi Zhen village, Chen Jiang town, Zhongkai Hi-Tech District, Huizhou City, Guangdong Province, takes back indoor feeding 2 generations 3 instar larvae and does toxicity test worm source.
This experiment adopts NY/T1154.1-2006 drop method to measure, and micro intravenous drip device is first clearly with acetone, regulates dropper to stand-by state, chooses the consistent examination worm CO of whole Liu with writing brush
2slight anesthesia is placed in 9cm culture dish, then with quantity dropper by medicament by a drop on the pronotary of examination worm, every some drops physic liquor 1.0ul, contains identical solvent aqueous solution with drop 1.0ul and is treated to contrast.Examination worm after drop is transferred to respectively in the culturing room that (28 ± 2) DEG C, relative moisture are 75% and is cultivated.Every processing 4 times repeats, and often repeats to try 20 of worms, and each processing examination worm is 80.After processing, 48h investigation examination worm death condition, records total borer population and dead borer population.
According to survey data, calculate the corrected mortality of each processing.And according to co-toxicity coefficient (the CTC value of the abundant method calculating of Sun Yun mixture.If) contrast lethality < 5%, do not proofread and correct; Contrast lethality, between 5%～20%, is proofreaied and correct; Contrast lethality > 20%, test need be reformed.Be independent variable x according to the logarithm value of drug concentration (mg/L), taking the probit value of corrected mortality as dependent variable y, set up respectively virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50and mixture co-toxicity coefficient.
Table 2, chlorine chlorfenapyr and the indoxacarb toxicity test result table to rice leaf roller.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Chlorine chlorfenapyr | 17.25 | 100.00 | - | - |
| Indoxacarb | 6.58 | 262.16 | - | - |
| Chlorine chlorfenapyr: indoxacarb (5:1) | 9.36 | 184.29 | 127.03 | 145.08 |
| Chlorine chlorfenapyr: indoxacarb (3:1) | 9.88 | 174.60 | 140.54 | 124.23 |
| Chlorine chlorfenapyr: indoxacarb (1:1) | 7.22 | 238.92 | 181.08 | 131.94 |
| Chlorine chlorfenapyr: indoxacarb (1:3) | 7.38 | 233.74 | 221.62 | 105.47 |
| Chlorine chlorfenapyr: indoxacarb (1:5) | 6.54 | 263.76 | 235.13 | 112.18 |
As can be seen from Table 2, chlorine chlorfenapyr and indoxacarb respectively taking 5:1,3:1,1:1,1:3,1:5 combination to rice leaf roller CTC value as 145.08,124.23,131.94,105.47,112.18, illustrate that chlorine chlorfenapyr and indoxacarb combine and have synergy or summation action.
Preparation method embodiment 1:18% chlorine chlorfenapyr indoxacarb wetting powder.
Above-mentioned material is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 18% chlorine chlorfenapyr indoxacarb wetting powder.
Preparation method embodiment 2:30% chlorine chlorfenapyr indoxacarb water dispersible granules.
By above-mentioned formula, 30% chlorine chlorfenapyr indoxacarb water dispersible granules is made and is obtained in dry pulverization process, granulation, dry, screening in proportion.
Preparation method embodiment 3:9% chlorine chlorfenapyr indoxacarb suspending agent.
Above-mentioned material is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 9% chlorine chlorfenapyr indoxacarb suspending agent.
Field efficacy embodiment 1: the control field wild cabbage diamond-back moth test of pesticide effectiveness.
Test site is positioned at Lao Keng village, Ren Shan town, Huizhou Huidong County, and test period is in February, 2014, in Eggs of Diamondback Moth hatching Sheng phase dispenser, adopts spray-on process.Test medicine is 18% chlorine chlorfenapyr indoxacarb wetting powder (preparation method embodiment 1), 30% chlorine chlorfenapyr indoxacarb water dispersible granules (preparation method embodiment 2), 9% chlorine chlorfenapyr indoxacarb suspending agent (preparation method embodiment 3), adopt 10% chlorine chlorfenapyr suspending agent, 3% indoxacarb missible oil medicament in contrast, 5 chemicals treatment are established in test altogether, each processing repeats for 4 times, before dispenser, investigate insect population radix, after dispenser 3 days, a control efficiency of each investigation in 7 days, record residual borer population, calculate control efficiency, result of the test is as shown in table 3.
Table 3, chlorine chlorfenapyr and indoxacarb combination control wild cabbage diamond-back moth result of the test.
As can be seen from Table 3,18% chlorine chlorfenapyr indoxacarb wetting powder, 30% chlorine chlorfenapyr indoxacarb water dispersible granules, 9% chlorine chlorfenapyr indoxacarb suspending agent control wild cabbage diamond-back moth effect are better than 10% chlorine chlorfenapyr suspending agent and 3% indoxacarb missible oil, illustrate that the present invention has improved control efficiency, reduce the using dosage of agricultural chemicals, reduce the impact of agricultural chemicals on environment, reduced drug cost.
Claims (4)
1. a Pesticidal combination that contains chlorine chlorfenapyr and indoxacarb, comprise usual auxiliaries, chlorine chlorfenapyr and indoxacarb, it is characterized in that: the ratio of weight and number of chlorine chlorfenapyr and indoxacarb is 5:1-1:5, chlorine chlorfenapyr and the percentage by weight of indoxacarb weight summation in Pesticidal combination are 2-80%.
2. a kind of Pesticidal combination that contains chlorine chlorfenapyr and indoxacarb according to claim 1, is characterized in that: chlorine chlorfenapyr and the preferred weight percent of indoxacarb weight summation in Pesticidal combination are 10-60%.
3. according to a kind of Pesticidal combination that contains chlorine chlorfenapyr and indoxacarb described in claim 1 or 2, it is characterized in that: its formulation is the one in aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules.
4. according to a kind of Pesticidal combination that contains chlorine chlorfenapyr and indoxacarb described in claim 1 or 2, for preventing and treating the Lepidoptera class pest in agricultural.
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Cited By (2)
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| CN112293419A (en) * | 2019-07-31 | 2021-02-02 | 河南勇冠乔迪农业科技有限公司 | Graphene oxide-containing pesticide composition |
| CN113519529A (en) * | 2021-07-14 | 2021-10-22 | 湖南省林业科学院 | Composition for preventing and treating beet armyworm and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112293419A (en) * | 2019-07-31 | 2021-02-02 | 河南勇冠乔迪农业科技有限公司 | Graphene oxide-containing pesticide composition |
| CN113519529A (en) * | 2021-07-14 | 2021-10-22 | 湖南省林业科学院 | Composition for preventing and treating beet armyworm and preparation method and application thereof |
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