CN101617681A - Pesticide composition containing ethiprole - Google Patents

Pesticide composition containing ethiprole Download PDF

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Publication number
CN101617681A
CN101617681A CN200910164500A CN200910164500A CN101617681A CN 101617681 A CN101617681 A CN 101617681A CN 200910164500 A CN200910164500 A CN 200910164500A CN 200910164500 A CN200910164500 A CN 200910164500A CN 101617681 A CN101617681 A CN 101617681A
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China
Prior art keywords
mobucin
active component
worm nitrile
ethiprole
medicine
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Pending
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CN200910164500A
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Chinese (zh)
Inventor
景辉
仇晓锋
宁昭宇
刘晓明
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Shenzhen Noposion Agrochemicals Co Ltd
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Shenzhen Noposion Agrochemicals Co Ltd
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Priority to CN200910164500A priority Critical patent/CN101617681A/en
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Abstract

The invention relates to a pesticide composition containing ethiprole, which is characterized by taking the ethiprole and mobucin as active ingredients, wherein the weight ratio of the ethiprole to the mobucin is 1:2 to 1:5, a preferable weight ratio of the ethiprole to the mobucin is 1:4 to 1:10, and the active ingredients account for 5-80 percent of a formulation. The pesticide composition can be one or multiple of a wettable pulvis, a suspending agent or an aqueous dispersible granula and can be used for controlling plant hoppers and leafhoppers.

Description

A kind of Pesticidal combination that contains second worm nitrile
Technical field
The present invention relates to a kind of Pesticidal combination that contains second worm nitrile, its preparation can be used for preventing and treating pest, wherein particularly plant hopper and leafhopper.
Background technology
Second worm nitrile (Ethiprole) is a kind of novel pyrazoles broad spectrum pesticide, mainly disturbs chloride channel by γ-An Jidingsuan (GABA), thereby destroys central nervous system (CNS) normal activity, and insect is caused death.There is not the problem that produces interactivity in the insecticide main with pyrethroid, organic phosphates, carbamates etc., and the multiple chewing type and the sucking pest of various crop all had control efficiency.It is the desirable kind of pest resistance treatment, can be mixed, be used alternatingly with other chemical pesticide.Lasting period is about 14d though this medicine quick-acting is relatively poor.
Mobucin (Isoprocarb) belongs to carbamate insecticide, and its quick-acting is good, but the lasting period is short, and is low to the person poultry toxicity, easily degrades non-residual toxicity at natural world.
Rice hoppers is one of paddy rice three major pests, the main harm paddy rice, and can propagate the paddy rice virus disease, often cause crushing disaster.The Mobucin of conventional pesticide composition such as carbamates and meta-tolyl-N-methylcarbamate (MTMC), carbosulfan etc., control produces little effect separately, the composite kind that existing market is sold has the composite of composite, the pyrrole aphid ketone of composite, the Buprofezin of Imidacloprid and Buprofezin and Mobucin and Acetamiprid, exist consumption big, waste is serious, shortcomings such as control efficiency is undesirable again, special antagonism brown planthopper preventive effect is relatively poor.
Summary of the invention
The purpose of this invention is to provide a kind of Pesticidal combination that contains second worm nitrile.This Pesticidal combination contains two kinds of active components: first active component is a second worm nitrile, and second active component is a Mobucin.Two kinds of mixing active ingredients proportionings are 1: 2 to 1: 15, and preferred proportion is 1: 4 to 1: 10.
The present composition can be processed into formulations such as suspending agent, wetting powder and water dispersible granules, and the active ingredient total content is 5% to 80% in the preparation, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
The auxiliary agent that uses in the composition of the present invention comprises that solvent, dispersant, wetting agent, bleeding agent, stabilizing agent, antifreezing agent, thickener, defoamer, adhesive etc. and other are of value to the known substance that active ingredient is stablized and drug effect is brought into play in preparation, all be the various compositions of using or allow use in the pesticidal preparations always, be not particularly limited, concrete composition and consumption are definite by test according to formulation, for example:
Described dispersant, wetting agent, bleeding agent can be sodium lignin sulfonate, calcium lignosulfonate, condensation compound of methyl naphthalene sulfonic acid and formaldehyde sulphate, Negel, naphthalene sulfonic acid-formaldehyde condensation product, draw back powder, lauryl sodium sulfate, glycerine etc.
Described stabilizing agent can be isopropyl alcohol monoethanolamine, epoxychloropropane etc.
Described thickener can be xanthans, aluminium-magnesium silicate, PAA, gum Arabic.
Described defoamer can be a silicone.
Described adhesive can be starch, xanthans, sodium alginate, separately or use with.
Operable filler comprises white carbon, precipitated calcium carbonate, potter's clay, kaolin, diatomite etc. in the composition of the present invention.
Second worm nitrile and Mobucin carry out the composite obvious synergistic effect that has, have long characteristics of quick-acting and lasting period, obviously improved control efficiency, reduced the agricultural chemicals usage amount, simultaneously because the effect characteristics are different with the mechanism of action, having delayed drug-fast generation greatly, is the important medicament of preventing and treating the resistance brown planthopper.
The present composition can be used for crop control plant hopper, leafhopper, aphid, thrips, mirid pentatomids etc. such as paddy rice, wheat, cotton, apple, citrus, and particularly suitable target crop is a paddy rice, and the insect that is particularly suitable for preventing and treating is plant hopper and leafhopper.
Facts have proved, first active component and second active component is composite has significant synergies, suspension of pesticide resistance generation is saved dosage simultaneously to a certain extent, reduces the Rice Production cost, increases peasant income.
Embodiment
Below in conjunction with example content of the present invention is described further.
The biologicall test example:
Go up the generation resistance rice planthopper in order to prevent and treat agricultural, the inventor has carried out mutual composite synergy research with second worm nitrile and Mobucin.It is tested object that rice fulgorid (brown planthopper Nilaparvata lugens) is adopted in test, and concrete grammar is:
The former medicine that test medicine second worm nitrile adopts Bayer crop science company to produce, the former medicine that Mobucin adopts Shandong Huayang Science ﹠. Technology Co., Ltd. to produce.After test method was mixed with mother liquor with reference to " the agricultural industry criteria NY/T1154.11-2008 of the People's Republic of China (PRC) " with former medicinal organic solvent acetone, the soil temperature with 0.1%-80 aqueous solution was by 9 series mass concentration of method configuration of geometric ratio.The examination worm is the rice fulgorid nymph of indoor feeding, physiological status unanimity.Choose the healthy and strong consistent paddy rice seedling in tillering stage of laboratory cultures, grubbed out, clean, be cut into the long band of 10cm root rice stem, the place dries in the air anhydrous to the surface in the cool place, the rice stem is flooded 30s in the medicament that configures, taking-up is dried, and encases root with absorbent cotton and preserves moisture, the outsourcing preservative film, place test tube, every test tube 3 strains.4 repetitions of every processing, and establish the processing that does not contain medicament and do blank.To try worm with pest sucking device and move in the test tube, 15 in every test tube, the mouth of pipe covers with gauze.Examination worm after the processing places temperature (25 ± 1) ℃, relative moisture 60%~80%, and periodicity of illumination is to raise under L: D=(16: 8) the h condition and observe.Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament 50, estimate the activity of reagent agent to the examination worm with this.
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
Figure G2009101645008D00031
In the formula:
AT1---mixture actual measurement toxicity index;
The LC of S---standard insecticide 50, unit is every liter (mg/l) of milligram;
The LC of M---mixture 50, unit is every liter (mg/l) of milligram;
TTI=TIA×PA+TIB×PB
In the formula:
The theoretical toxicity index of TTI---mixture;
TIA----A medicament toxicity index;
The percentage composition of PA-----A medicament in mixture, unit are percentage;
TIB----B medicament toxicity index;
The percentage composition of PB-----B medicament in mixture, unit are percentage.
Figure G2009101645008D00041
In the formula:
The CTC----co-toxicity coefficient;
AT1---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture.
Composite dose co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism; 80<CTC<120 show as summation action.
Measurement result sees the following form 1.
The composite toxicity test result of table 1 second worm nitrile and Mobucin to the paddy rice brown planthopper
Handle ??LC 50??(mg/L) ??AT1 ??TTI Co-toxicity coefficient CTC
Second worm nitrile ??15.21 ??100.00
Mobucin ??85.16 ??17.86
Second worm nitrile: Mobucin=1: 2 ??19.7 ??77.21 ??45.23 ??170.66
Second worm nitrile: Mobucin=1: 4 ??20.23 ??75.19 ??34.29 ??219.27
Second worm nitrile: Mobucin=1: 6 ??21.3 ??71.4 ??29.59 ??241.29
Second worm nitrile: Mobucin=1: 8 ??22.21 ??68.48 ??26.99 ??253.76
Second worm nitrile: Mobucin=1: 10 ??24.32 ??62.54 ??25.33 ??246.93
Second worm nitrile: Mobucin=1: 12 ??32.56 ??46.71 ??24.18 ??193.2
Second worm nitrile: Mobucin=1: 14 ??36.68 ??41.47 ??23.34 ??177.69
Second worm nitrile: Mobucin=1: 15 ??40.25 ??37.79 ??22.69 ??166.5
As seen from Table 1, second worm nitrile and Mobucin proportioning are 1: 2~1: 15 o'clock, and the co-toxicity coefficient of mixture is more than 160, and especially at 1: 4,1: 6,1: 8,1: 10 o'clock, synergistic effect was quite remarkable, and co-toxicity coefficient is all more than 200.
Example of formulations:
The present invention describes with the following example, but does not limit the present invention.
1, the preparation of suspending agent
By the prescription requirement, be medium with water, active component, dispersant, thickener and defoamer etc. are added in the sand milling still, carry out porphyrize, make suspending agent.
Embodiment 1:9% second worm nitrile Mobucin suspending agent
Second worm nitrile (active component) 3%
Mobucin (active component) 6%
Sodium lignin sulfonate (dispersant) 10%
Draw back powder (dispersant) 2%
Xanthans (thickener) 1%
Silicone (defoamer) 0.5%
Water is supplemented to 100%
This prescription is by 30 milliliters of/mu dilution spraying control paddy rice brown planthoppers, and 48 hours field control effects are 91.5% behind the medicine.This prescription serves as that the contrast reagent spray uses with 10% second worm nitrile suspending agent (40 milliliters/mu) and 20% Mobucin missible oil (80 milliliters/mu), and 48 hours preventive effect is respectively 74.1% and 60.2% behind the medicine.
Embodiment 2:20% second worm nitrile Mobucin suspending agent
Second worm nitrile (active component) 4%
Mobucin (active component) 16%
Naphthalene sulfonic acid-formaldehyde condensation product (dispersant) 10%
Draw back powder (dispersant) 2%
PAA (thickener) 5%
Silicone (defoamer) 0.1%
Water is supplemented to 100%
This prescription is by 25 milliliters of/mu dilution spraying control rice black-tailed leafhoppers, and 72 hours field control effects are 92.4% behind the medicine.This invention serves as that the contrast reagent spray uses with 10% second worm nitrile suspending agent (40 milliliters/mu) and 20% Mobucin missible oil (80 milliliters/mu), and according to using with quadrat method, 48 hours preventive effect is respectively 80.2% and 54.1% behind the medicine.
2, the preparation of wetting powder
Active component, wetting agent, dispersant and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get wetting powder.Can convert the suspension that water is diluted to any desired concn.
Embodiment 3:24% second worm nitrile meta-tolyl-N-methylcarbamate (MTMC) wetting powder
Second worm nitrile (active component) 4%
Mobucin (active component) 20%
Dodecyl sodium sulfate (wetting agent) 5%
Condensation compound of methyl naphthalene sulfonic acid and formaldehyde sulphate (dispersant) 10%
White carbon (filler) is supplemented to 100%
This prescription is by 25 gram/mus dilution spraying control paddy rice small brown rice planthopper, and 48 hours field control effects are 95.4% behind the medicine.This prescription serves as that the contrast reagent spray uses with 10% second worm nitrile suspending agent (40 milliliters/mu) and 20% Mobucin missible oil (100 milliliters/mu), and according to using with quadrat method, 48 hours preventive effect is respectively 76.3% and 59.6% behind the medicine.
Embodiment 4:54% second worm nitrile Mobucin wetting powder
Second worm nitrile (active component) 6%
Mobucin (active component) 48%
Dodecyl sodium sulfate (wetting agent) 5%
Condensation compound of methyl naphthalene sulfonic acid and formaldehyde sulphate (dispersant) 10%
Kaolin (filler) is supplemented to 100%
This prescription is by 20 gram/mus dilution spraying control paddy rice white-backed planthopper, and 48 hours field control effects are 95.7% behind the medicine.This invention serves as that the contrast reagent spray uses with 10% second worm nitrile suspending agent (40 milliliters/mu) and 20% Mobucin missible oil (100 milliliters/mu), and according to using with quadrat method, 48 hours preventive effect is respectively 82.3% and 63.3% behind the medicine.
3, the preparation of water dispersible granules
Former medicine active component, dispersant, wetting agent, binding agent, disintegrant, filler are mixed in proportion,, add the water of 15-20% then, make the water dispersible granules product through kneading, granulation, drying, screening through comminution by gas stream.
Embodiment 5:66% second worm nitrile Mobucin water dispersible granules
Second worm nitrile (active component) 6%
Mobucin (active component) 60%
Sodium lignin sulfonate (dispersant) 5%
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 5%
Lauryl sodium sulfate (wetting agent) 2%
Sodium cellulose glycolate (binding agent) 2%
Aluminium-magnesium silicate (disintegrant) 2%
White carbon (filler) is supplemented to 100%
This prescription is by 20 gram/mus dilution spraying control paddy rice brown planthopper, and 48 hours field control effects are 96.2% behind the medicine.This prescription serves as that the contrast reagent spray uses with 10% second worm nitrile suspending agent (40 milliliters/mu) and 20% Mobucin missible oil (100 milliliters/mu), and 48 hours preventive effect is respectively 75.3% and 54.6% behind the medicine.
Embodiment 6:65% second worm nitrile Mobucin water dispersible granules
Second worm nitrile (active component) 5%
Mobucin (active component) 60%
Sodium lignin sulfonate (dispersant) 2%
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 2%
Lauryl sodium sulfate (wetting agent) 2%
Sodium alginate (binding agent) 2%
Ammonium sulfate (disintegrant) 3%
Potter's clay (filler) is supplemented to 100%
This prescription is by 20 gram/mus dilution spraying control paddy rice smaller green leaf hopper, and 48 hours field control effects are 95.4% behind the medicine.This prescription is that the object reagent spray uses with 10% second worm nitrile suspending agent (40 milliliters/mu) and 20% Mobucin missible oil (100 milliliters/mu), and 48 hours preventive effect is respectively 81.3% and 52.6% behind the medicine.

Claims (5)

1, a kind of composition pesticide that contains second worm nitrile is characterized in that comprising:
A) first active component is a second worm nitrile;
B) second active component is a Mobucin;
The weight ratio of first active component and second active component is 1: 2~1: 15.
2, a kind of composition pesticide according to claim 1 is characterized in that: first active component and the preferred weight ratio of second active component are 1: 4~1: 10.
3, composition pesticide according to claim 1 and 2, the formulation that it is characterized in that described composition can be one or more in wetting powder, suspending agent or the water-dispersible granules.
4, composition pesticide according to claim 1 and 2 is characterized in that: the quality percentage composition of active ingredient in preparation is between 5%~80%.
5, claim 1 or the 2 described compositions purposes in control plant hopper and leafhopper.
CN200910164500A 2009-08-01 2009-08-01 Pesticide composition containing ethiprole Pending CN101617681A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103229775A (en) * 2013-05-28 2013-08-07 上海赫腾精细化工有限公司 Pesticide mainly used for crops
CN103651379A (en) * 2012-09-04 2014-03-26 南京华洲药业有限公司 Synergistic pesticidal composition containing ethiprole and pyridalyl and application thereof
CN103651457A (en) * 2012-09-04 2014-03-26 南京华洲药业有限公司 Compound pesticidal composition containing ethiprole and mobucin and application thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103651379A (en) * 2012-09-04 2014-03-26 南京华洲药业有限公司 Synergistic pesticidal composition containing ethiprole and pyridalyl and application thereof
CN103651457A (en) * 2012-09-04 2014-03-26 南京华洲药业有限公司 Compound pesticidal composition containing ethiprole and mobucin and application thereof
CN103229775A (en) * 2013-05-28 2013-08-07 上海赫腾精细化工有限公司 Pesticide mainly used for crops

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Application publication date: 20100106