CN104106568A - Insecticidal composition containing chlorine chlorfenapyr and biological source pesticide - Google Patents
Insecticidal composition containing chlorine chlorfenapyr and biological source pesticide Download PDFInfo
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- CN104106568A CN104106568A CN201410295050.7A CN201410295050A CN104106568A CN 104106568 A CN104106568 A CN 104106568A CN 201410295050 A CN201410295050 A CN 201410295050A CN 104106568 A CN104106568 A CN 104106568A
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Abstract
The invention discloses an insecticidal composition containing chlorine chlorfenapyr and biological source pesticide and an application thereof. The insecticidal composition containing chlorine chlorfenapyr and biological source pesticide comprises a common auxiliary agent, chlorine chlorfenapyr and the biological source pesticide, wherein weight part ratio of chlorine chlorfenapyr to biological source pesticide is 10:1-1:10, weight sum of chlorine chlorfenapyr and the biological source pesticide accounts for 2-80% of weight of the insecticidal composition; and the biological source pesticide is selected from one of avermectin, emamectin benzoate or spinetoram. The insecticidal composition has obvious synergy effect, fast-acting property and persistence of the insecticidal composition are better than a single dose, pesticide usage dosage is reduced, pesticide cost is reduced, and the insecticidal composition is in favor of environmental protection and comprehensive control of the agriculture insects.
Description
Technical field
The present invention relates to a kind of Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals.
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.
Avermectin is a kind of macrolide disaccharide compounds.Be the natural products separating from edaphon, insects and mites is had and tagged and stomach poison function.What its mechanism of action was different from general insecticide is to disturb neurophysiology activity, stimulate and discharge γ-aminobutyric acid, and aminobutyric acid has inhibitory action to arthropodan nerve conduction.There is paralysis symptom after contacting with Avermectin with insect larvae in mite class adult, nymph, inertia, does not take food, dead after 2～4 days, because not causing that insect dewaters rapidly, so Avermectin lethal effect is slower.
Emamectin-benzoate, be called for short first dimension salt, it can strengthen neurotic as the effect of glutamic acid and γ mono-aminobutyric acid, thereby make a large amount of chlorions enter nerve cell, cell function is lost, upset nerve conduction, larva stops feed at once afterwards in contact, there is irreversible paralysis, in 3～4 days, reach the highest lethality rate.Lepidoptera, mite class, coleoptera and homoptera pest are had to stomach toxicity, action of contace poison, active high.
Ethyl pleocidin (Spinetoram), is made up of ethyl pleocidin-J and two kinds of components of ethyl pleocidin-L, acts on the nervous system of insect, and the insects such as Lepidoptera, diptera, Homoptera are had to good control efficiency.
Avermectin, emamectin-benzoate and ethyl pleocidin all belong to biogenic substances insecticide, insect is had tag, stomach poison function, the power of knocking down is strong.
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 chlorine chlorfenapyr and the screening of biogenic substances insecticide formulation, find that chlorine chlorfenapyr and biogenic substances insecticide carry out mixture, in certain mixed ratio scope, insect had to obvious synergistic effect, after further study, completed the present invention.
Chlorine chlorfenapyr and biogenic substances insecticide composition 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, be conducive to the Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals of integrated pest management.
The technical solution adopted in the present invention is: a kind of Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals, comprise usual auxiliaries, chlorine chlorfenapyr and biogenic substances agricultural chemicals, the ratio of weight and number of chlorine chlorfenapyr and biogenic substances agricultural chemicals is 10:1-1:10, and chlorine chlorfenapyr and the percentage by weight of biogenic substances agricultural chemicals weight summation in Pesticidal combination are 2-80%.
Preferably, chlorine chlorfenapyr and the percentage by weight of biogenic substances agricultural chemicals weight summation in Pesticidal combination are 10-60%.
Described biogenic substances agricultural chemicals is selected from the one in Avermectin, emamectin-benzoate or ethyl pleocidin.
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 the required usual auxiliaries of preparation pesticidal preparations, usual auxiliaries is one or more the mixing in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent 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 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.
3, Pesticidal combination provided by the invention is to crop safety.
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.
Biologicall test embodiment 1: to the indoor joint toxicity measuring test of diamond-back moth.
Test medicine adopts the former medicine of 98% chlorine chlorfenapyr, the former medicine of 96% Avermectin, 90% Methylaminoemamectin benzoate and the former medicine of 81.2% ethyl pleocidin.
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 Avermectin combine the 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 | - | - |
| Avermectin | 5.11 | 266.34 | - | - |
| Chlorine chlorfenapyr: Avermectin (10:1) | 7.53 | 180.74 | 115.12 | 157.00 |
| Chlorine chlorfenapyr: Avermectin (5:1) | 7.26 | 187.47 | 127.72 | 146.77 |
| Chlorine chlorfenapyr: Avermectin (1:1) | 5.47 | 248.81 | 183.17 | 135.84 |
| Chlorine chlorfenapyr: Avermectin (1:5) | 4.33 | 314.32 | 238.62 | 131.73 |
| Chlorine chlorfenapyr: Avermectin (1:10) | 3.95 | 344.56 | 251.22 | 137.15 |
As can be seen from Table 1, chlorine chlorfenapyr and Avermectin respectively taking 10:1,5:1,1:1,1:5,1:10 combination to diamond-back moth CTC value as 157.00,146.77,135.84,131.73,137.15, illustrate that chlorine chlorfenapyr and Avermectin combine diamond-back moth is had to synergistic effect.
Table 2, chlorine chlorfenapyr and emamectin-benzoate combine the toxicity test result table to diamond-back moth.
As can be seen from Table 2, chlorine chlorfenapyr and emamectin-benzoate respectively taking 10:1,5:1,1:1,1:5,1:10 combination to diamond-back moth CTC value as 173.03,138.17,140.41,130.21,127.32, illustrate that chlorine chlorfenapyr and emamectin-benzoate combine and have synergistic effect.
Table 3, chlorine chlorfenapyr and ethyl pleocidin combine the 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 | - | - |
| Ethyl pleocidin | 1.79 | 760.34 | - | - |
| Chlorine chlorfenapyr: ethyl pleocidin (10:1) | 5.24 | 259.73 | 160.03 | 162.30 |
| Chlorine chlorfenapyr: ethyl pleocidin (5:1) | 4.57 | 297.81 | 210.06 | 141.78 |
| Chlorine chlorfenapyr: ethyl pleocidin (1:1) | 2.34 | 581.62 | 430.17 | 135.21 |
| Chlorine chlorfenapyr: ethyl pleocidin (1:5) | 1.59 | 855.97 | 650.28 | 131.63 |
| Chlorine chlorfenapyr: ethyl pleocidin (1:10) | 1.53 | 889.54 | 700.30 | 127.02 |
As can be seen from Table 3, chlorine chlorfenapyr and ethyl pleocidin respectively taking 10:1,5:1,1:1,1:5,1:10 combination to diamond-back moth CTC value as 162.30,141.78,135.21,131.63,127.02, illustrate that chlorine chlorfenapyr and ethyl pleocidin combine and have synergistic effect.
Preparation method embodiment 1:11% chlorine chlorfenapyr Avermectin wetting powder.
Above-mentioned material is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 11% chlorine chlorfenapyr Avermectin wetting powder.
Preparation method embodiment 2:20% chlorine chlorfenapyr ethyl pleocidin water dispersible granules.
By above-mentioned formula, 20% chlorine chlorfenapyr ethyl pleocidin water dispersible granules is made and is obtained in dry pulverization process, granulation, dry, screening in proportion.
Preparation method embodiment 3:11% chlorine chlorfenapyr emamectin benzoate suspending agent.
Above-mentioned material is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 11% chlorine chlorfenapyr emamectin benzoate suspending agent.
Field control effectiveness test embodiment 1: control field wild cabbage diamond-back moth test.
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 11% chlorine chlorfenapyr Avermectin wetting powder (preparation method embodiment 1), 20% chlorine chlorfenapyr ethyl pleocidin water dispersible granules (preparation method embodiment 2), 11% chlorine chlorfenapyr emamectin benzoate suspending agent (preparation method embodiment 3), adopt 10% chlorine chlorfenapyr suspending agent, 2% abamectin emulsifiable concentrate, 2% emamectin-benzoate missible oil and 6% ethyl pleocidin suspending agent medicament in contrast, 7 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 4.
Table 4, chlorine chlorfenapyr and biogenic substances insecticide composition control wild cabbage diamond-back moth result of the test.
As can be seen from Table 4,11% chlorine chlorfenapyr Avermectin wetting powder, 20% chlorine chlorfenapyr ethyl pleocidin water dispersible granules, 11% chlorine chlorfenapyr emamectin benzoate suspending agent control wild cabbage diamond-back moth effect are better than 10% chlorine chlorfenapyr suspending agent, 2% abamectin emulsifiable concentrate, 2% emamectin-benzoate missible oil and 6% ethyl pleocidin suspending agent, illustrate that Pesticidal combination of the present invention improves control efficiency, reduce the using dosage of agricultural chemicals, reduce the impact of agricultural chemicals on environment, reduced drug cost.
Claims (5)
1. a Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals, comprise usual auxiliaries, chlorine chlorfenapyr and biogenic substances agricultural chemicals, it is characterized in that: the ratio of weight and number of chlorine chlorfenapyr and biogenic substances agricultural chemicals is 10:1-1:10, chlorine chlorfenapyr and the percentage by weight of biogenic substances agricultural chemicals weight summation in Pesticidal combination are 2-80%.
2. a kind of Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals according to claim 1, is characterized in that: chlorine chlorfenapyr and the preferred weight percent of biogenic substances agricultural chemicals weight summation in Pesticidal combination are 10-60%.
3. according to a kind of Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals described in claim 1 or 2, it is characterized in that: described biogenic substances agricultural chemicals is selected from the one in Avermectin, emamectin-benzoate or ethyl pleocidin.
4. according to a kind of Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals 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.
5. according to a kind of Pesticidal combination that contains chlorine chlorfenapyr and biogenic substances agricultural chemicals described in claim 1 or 2, for preventing and treating pest, especially Lepidoptera class pest.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101322495A (en) * | 2008-07-05 | 2008-12-17 | 惠州市中迅化工有限公司 | Insecticidal composition containing emamectin-benzoate and chlorfenapyr |
| CN102187869A (en) * | 2010-03-19 | 2011-09-21 | 上海升联化工有限公司 | Composition containing avermectin and chlorfenapyer, and application thereof |
| CN102308803A (en) * | 2011-04-28 | 2012-01-11 | 广东中迅农科股份有限公司 | Pesticide composition containing chlorfenapyr and spinetoram |
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- 2014-06-25 CN CN201410295050.7A patent/CN104106568A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101322495A (en) * | 2008-07-05 | 2008-12-17 | 惠州市中迅化工有限公司 | Insecticidal composition containing emamectin-benzoate and chlorfenapyr |
| CN102187869A (en) * | 2010-03-19 | 2011-09-21 | 上海升联化工有限公司 | Composition containing avermectin and chlorfenapyer, and application thereof |
| CN102308803A (en) * | 2011-04-28 | 2012-01-11 | 广东中迅农科股份有限公司 | Pesticide composition containing chlorfenapyr and spinetoram |
Non-Patent Citations (1)
| Title |
|---|
| 裴晖 等: "新化合物HNPC-A3061的室内生物活性研究", 《现代农药》 * |
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Application publication date: 20141022 |