CN101617676B - Pesticide compound - Google Patents

Pesticide compound Download PDF

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Publication number
CN101617676B
CN101617676B CN2009101648078A CN200910164807A CN101617676B CN 101617676 B CN101617676 B CN 101617676B CN 2009101648078 A CN2009101648078 A CN 2009101648078A CN 200910164807 A CN200910164807 A CN 200910164807A CN 101617676 B CN101617676 B CN 101617676B
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Prior art keywords
worm nitrile
active component
pyrrole aphid
aphid ketone
weight ratio
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CN101617676A (en
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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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Abstract

The invention relates to a pesticide compound which is characterized in that ethiprole and pymetrozine are active components, the weight ratio of the ethiprole and the pymetrozine is 1:10 to 10:1, and the optimized weight ratio of the active components of 1:5 to 3:1. In a preparation, the two active components account for 5-80 percent by weight percent. The compound preparation can be used for controlling plant hoppers and aphids.

Description

A kind of composition pesticide
Technical field
The present invention relates to a kind of composition pesticide, being specifically related to second worm nitrile and pyrrole aphid ketone is the Pesticidal combination of active ingredient.
Background technology
Second worm nitrile, English general Ethiprole by name.It is a kind of novel benzene pyrazoles broad spectrum pesticide, and insecticidal spectrum is wide.Its mechanism of action is to disturb chloride channel through GABA (GABA), thereby destroy central nervous system (CNS) normal activity insect is caused death.This medicine is tightr to the constraint comparison vertebrate of insect GABA chloride channel, thereby very high selection toxicity is provided.Its mechanism of action is different from common insecticides such as pyrethroid, organic phosphor, carbamate, does not have the generation interactivity with the most conventional insecticide.Therefore, it is the desirable kind of pest resistance treatment, can be with other mixed pesticide, be used alternatingly.Its mode of action is tagging property, and absorption in the tool not all has control efficiency to the multiple sucking pest of various crop.
Pyrrole aphid ketone, English general Pymetrozine by name.Belong to the pyridine heterocycle insecticides, its mode of action is unique, makes insect stop to get food through blocking the insect lancet, and final insect is because of hungry dead.Can be used for preventing and treating most of homoptera pest of various crop, especially the insect of aphid section, Aleyrodidae, Cicadellidae and Delphacidae.
Rice hoppers main harm paddy rice, and can propagate the paddy rice virus disease, even can migrate at a distance, be the important pests on the state paddy rice such as China and South Asia, Southeast Asia, Japan, often cause crushing disaster.Some rice fulgorid the serious zone of harm takes place, result of use is very poor, particularly poorer to the brown planthopper preventive effect separately for anabasine insecticide Imidacloprid, Acetamiprid etc.Press for the new effective agent of exploitation.
Wheat aphid is the primary pest of wheat belt, not only sucks wheat nutrition, influences photosynthesis, but also propagate the wheat viroid disease, causes wheat yield and quality to descend the serious threat Wheat Production.Because of its generating capacity is big, be difficult for killing, be prone to produce characteristics such as resistance, Imidacloprid commonly used, gamma cyhalothrin can not effectively be prevented and treated wheat aphid again.
At present, the composite and application of second worm nitrile and pyrrole aphid ketone does not appear in the newspapers.
Summary of the invention
The purpose of this invention is to provide a kind of efficient, low toxicity, environmental protection and help the Pesticidal combination of insect pest resistance management; Said composition makes full use of two kinds of synergistic effects that active component is mixed and is produced; The generation that improves preventive effect and delay pest resistance to insecticide; Be used to prevent and treat the insect of crops such as paddy rice, wheat and vegetables, particularly be applicable to and prevent and treat rice hoppers and wheat aphid.
The inventor finds that through lot of test the complex composition of pyrrole aphid ketone and second worm nitrile has synergistic function, and not only control efficiency is high, and has reduced the usage amount of agricultural chemicals.
Technical scheme of the present invention is following:
A kind of Pesticidal combination is characterized in that with second worm nitrile and pyrrole aphid ketone be active ingredient, and wherein the weight ratio of second worm nitrile and pyrrole aphid ketone is 1: 10~10: 1, and preferred weight ratio is 1: 5~3: 1, preferred weight ratio 1: 4~1: 2.
Pesticidal combination of the present invention is prepared into known method and is fit to any one formulation that agricultural is used, and reasonable formulation is wetting powder, water dispersible granules (but claiming dispersible granule or dry suspending agent again), suspending agent
(comprise water base with oil base) and aqueous emulsion.The total content of active ingredient is 5%~80% preferably 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, cosolvent, dispersant, emulsifier, wetting agent, stabilizing agent, antifreezing agent, thickener, antifoaming agent, filler 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; Do not have special qualification, concrete composition and consumption require to confirm through test according to prescription.
Compared with prior art, beneficial effect of the present invention is; 1, is mixed and has obvious synergistic effect, improved control efficiency; 2, two kinds of active ingredients are mixed, and have reduced dosage, thereby have reduced cost and alleviated the pollution to environment; 3, two kinds of active ingredient mechanisms of action in the composition are different, are mixed can overcome insect to pesticide resistance that has medicament now and the generation that delays the further resistance of insect.
Embodiment
Component of the present invention is reasonable, good disinsection effect, and drug cost is low, and active component second worm nitrile and pyrrole aphid ketone have significant synergies; Quick-acting is good, lasting effect is long, slows down the generation of resistance, the preparation less residue; Environmentally safe, good to crop safety, meet the security requirement of pesticidal preparations.
Below in conjunction with embodiment content of the present invention is described further.
The biologicall test instance:
Go up generation resistance rice planthopper and wheat aphid in order to prevent and treat agricultural, the inventor has carried out mutual composite synergy research with compositions such as second worm nitrile, pyrrole aphid ketone.Rice fulgorid, wheat aphid that test is adopted are tested object, and concrete grammar is:
1) the former medicine of rice fulgorid (brown planthopper Nilaparvata lugens) test medicine second worm nitrile adopts the former medicine that Bayer crop science company produces, and the former medicine of pyrrole aphid ketone is that the Jiangsu gram wins the former medicine that group produces.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 rice fulgorid nymph that the examination worm is an indoor feeding, physiological status is consistent.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, it is anhydrous to the surface to dry in the air in the place, cool place, and 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 confession reagent agent to the examination worm with this.
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
AT 1 = S × 100 M
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.
CTC = AT 1 TTI × 100
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.
2) the former medicine of wheat aphid (English grain aphid Macrosiphum avenae (Fabricius)) test medicine second worm nitrile adopts the former medicine that Bayer crop science company produces; The former medicine of pyrrole aphid ketone wins the former medicine that group produces by the Jiangsu gram, and test method is mixed with former medicine the test medicine that needs with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".The examination worm is the wheat aphid adult of picking up from the field, and indoor feeding is selected the female adult worm of growth uniformity after one week, the culture dish that the diameter of the access storing wheat head is 12 centimetres.Every ware is put into 30 aphids.5 wares of every processing.Spray under 50PSI pressure with the Potter spray tower.Culture dish of each spray, 3 milliliters of every ware spraying liquids.Put into 20 ℃ after having sprayed the back airing wheat head, cultivate in the 12H/12H illumination box, checked in 48 hours and to calculate lethality by dead borer population.Blank spray equivalent clear water.General each processing is provided with 6 concentration gradients.Statistical method is the same.
The mensuration result of rice fulgorid, wheat aphid sees table 1, table 2 respectively.
Table 1 different disposal is to the toxicity test result of rice fulgorid
Handle LC 50(mg/L) AT1 TTI Co-toxicity coefficient CTC
Second worm nitrile 16.07 100.00
Pyrrole aphid ketone 30.28 53.07
Second worm nitrile 1+ pyrrole aphid ketone 10 19.7 81.57 57.34 142.27
Second worm nitrile 1+ pyrrole aphid ketone 7 15.29 105.10 58.94 178.33
Second worm nitrile 1+ pyrrole aphid ketone 5 14.12 113.81 60.89 186.90
Second worm nitrile 1+ pyrrole aphid ketone 3 11.09 144.91 64.80 223.61
Second worm nitrile 1+ pyrrole aphid ketone 1 10.21 157.39 76.54 205.65
Second worm nitrile 3+ pyrrole aphid ketone 1 9.89 162.49 88.27 184.08
Second worm nitrile 5+ pyrrole aphid ketone 1 12.45 129.08 92.18 140.03
Second worm nitrile 7+ pyrrole aphid ketone 1 12.57 127.84 94.13 135.81
Second worm nitrile 10+ pyrrole aphid ketone 1 14.03 114.54 95.73 119.64
Table 2 different disposal is to the toxicity test result of wheat aphid
Handle LC 50(mg/L) AT1 TTI Co-toxicity coefficient CTC
Second worm nitrile 14.42 100.00
Pyrrole aphid ketone 24.37 59.17
Second worm nitrile 1+ pyrrole aphid ketone 10 15.7 91.85 62.88 146.06
Second worm nitrile 1+ pyrrole aphid ketone 7 14.13 102.05 64.27 158.78
Second worm nitrile 1+ pyrrole aphid ketone 5 11.1 129.91 65.98 196.91
Second worm nitrile 1+ pyrrole aphid ketone 3 9.09 158.64 69.38 228.65
Second worm nitrile 1+ pyrrole aphid ketone 1 10.21 141.23 79.59 177.46
Second worm nitrile 3+ pyrrole aphid ketone 1 9.98 144.49 89.79 160.91
Second worm nitrile 5+ pyrrole aphid ketone 1 11.06 130.38 93.20 139.90
Second worm nitrile 7+ pyrrole aphid ketone 1 12.01 120.07 94.90 126.52
Second worm nitrile 10+ pyrrole aphid ketone 1 12.03 119.87 96.29 124.49
Find out that from table 1 second worm nitrile and Pyraphione compound have very high synergistic effect to rice fulgorid under certain proportioning.Wherein the proportioning of second worm nitrile and pyrrole aphid ketone is that 1: 5,1: 3,1: 1,3: 1 o'clock four proportioning co-toxicity coefficients can reach more than 180, shows as remarkable synergistic effect.
Find out that from table 2 second worm nitrile and Pyraphione compound have very high synergistic effect to wheat aphid under certain proportioning.Wherein the proportioning of second worm nitrile and pyrrole aphid ketone is that 1: 5,1: 3,1: 1,3: 1 o'clock three proportioning co-toxicity coefficients can reach more than 160, shows as remarkable synergistic effect.
FORMULATION EXAMPLE 1:
22% second worm nitrile pyrrole aphid ketone wetting powder (weight ratio)
Second worm nitrile (active component) 2%
Pyrrole aphid ketone (active component) 20%
Calcium lignosulfonate (dispersant) 5%
Lauryl sodium sulfate (wetting agent) 4%
Kaolin (filler) is to 100%
Active component, dispersant, wetting agent, filler added in the blender successively mix, be crushed to below the particle diameter 20 μ m through airslide disintegrating mill, secondary mixes, and makes 22% second worm nitrile pyrrole aphid ketone wetting powder.
This prescription is by 30 gram/mu consumptions dilution spraying control wheat small brown rice planthopper; 48 hours control efficiency are 94.6% behind the medicine; 10% second worm nitrile suspending agent (40 milliliters of mu consumptions) and 20% pyrrole aphid ketone wetting powder (mu consumption 30 grams) spraying is used, and 48 hours preventive effects are respectively 87.2% and 83.6% behind the medicine.
FORMULATION EXAMPLE 2:
20% second worm nitrile pyrrole aphid ketone wetting powder (weight ratio)
Second worm nitrile (active component) 15%
Pyrrole aphid ketone (active component) 5%
NNO (dispersant) 4%
Lauryl sodium sulfate (wetting agent) 5%
Bentonite (filler) is to 100%
Processing method by embodiment 1 makes 15% second worm nitrile pyrrole aphid ketone wetting powder.
This prescription is by 20 gram/mu consumptions dilution spraying control rice fulgorid; 48 hours control efficiency are 96.3% behind the medicine; 10% second worm nitrile suspending agent (40 milliliters of mu consumptions) and 20% pyrrole aphid ketone wetting powder (mu consumption 32 grams) spraying is used, and 48 hours preventive effects are respectively 85.3% and 81.2% behind the medicine.
FORMULATION EXAMPLE 3:
10% second worm nitrile pyrrole aphid ketone aqueous emulsion (weight ratio)
Second worm nitrile (active ingredient) 5%
Pyrrole aphid ketone (active ingredient) 5%
Esterification soybean oil (solvent) 10%
Cyclohexanone (cosolvent) 5%
Styryl phenol polyethenoxy ether class (emulsifier) 4%
Triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer (dispersant) 2%
Xanthans (thickener) 0.15%
Ethylene glycol (antifreezing agent) 3%
Water complements to 100%
At first under mechanical agitation, mix former medicine and solvent and cosolvent; Drop into emulsifier, dispersant and thickener then, antifreezing agent stirs; Add entry at last, in the high shear agitated reactor,, make it to become the product of even emulsus to stir 10-30 minute under 12000 rev/mins the rotating speed.
Should fill a prescription by 25 milliliters of/mu dilution spraying control wheat aphids; 48 hours control efficiency are 95.9% behind the medicine; 10% second worm nitrile suspending agent (30 milliliters of mu consumptions) and 20% pyrrole aphid ketone wetting powder (mu consumption 30 grams) spraying is used, and 48 hours preventive effects are respectively 91.4% and 90.5% behind the medicine.
FORMULATION EXAMPLE 4:
30% second worm nitrile pymetrozine suspension agent (weight ratio)
Second worm nitrile (active component) 10%
Pyrrole aphid ketone (active component) 20%
Methyl naphthalene sulfonic acid salt formaldehyde condensation products (dispersant) 4%
Alkyl phenol formaldehyde resin polyoxyethylene ether (wetting agent) 5%
Xanthans (thickener) 0.2%
Ethylene glycol (antifreezing agent) 2%
Organosilicon (antifoaming agent) 0.2%
Water complements to 100%.
Active component, dispersant, wetting agent, water, thickener, antifreezing agent and antifoaming agent are added mixing kettle successively mix, be ground to below the particle diameter 5 μ m, obtain 30% second worm nitrile pymetrozine suspension agent through sand mill.
Should fill a prescription by 30 milliliters of/mu dilution spraying control rice fulgorids; 48 hours control efficiency are 94.6% behind the medicine; 10% second worm nitrile suspending agent (40 milliliters of mu consumptions) and 20% pyrrole aphid ketone wetting powder (mu consumption 32 grams) spraying is used, and 48 hours preventive effects are respectively 79.7% and 76.4% behind the medicine.
FORMULATION EXAMPLE 5:
80% second worm nitrile pyrrole aphid ketone water-dispersible granules (weight ratio)
Second worm nitrile (active component) 20%
Pyrrole aphid ketone (active component) 60%
Calcium lignosulfonate (dispersant) 5%
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 5%
Lauryl alcohol sodium sulphate (wetting agent) 2%
Ammonium sulfate (disintegrant) 5%
Precipitated calcium carbonate (filler) complements to 100%.
Active component, dispersant, wetting agent, disintegrant and filler is even by the mixed of prescription, become wetting powder through comminution by gas stream, add a certain amount of water extrusion again and make material, after dry screened, obtain 80% second worm nitrile pyrrole aphid ketone water-dispersible granules.
Should fill a prescription by 10 gram/mus dilution spraying control wheat aphid, 48 hours control efficiency are 95.1% behind the medicine.10% second worm nitrile suspending agent (30 milliliters of mu consumptions) and 25% pyrrole aphid ketone wetting powder (mu consumption 3 grams) use according to the label recommend method, and 48 hours preventive effects are respectively 69.4% and 62.1% behind the medicine.
FORMULATION EXAMPLE 6:
12% second worm nitrile pymetrozine suspension agent (weight ratio)
Second worm nitrile (active component) 10%
Pyrrole aphid ketone (active component) 2%
Calcium lignosulfonate (dispersant) 4%
Alkylbenzenesulfonate and long-chain fatty alcohol APEO (wetting agent) 3%
Ethylene glycol (antifreezing agent) 5%
Xanthans (thickener) 0.2%
Organosilicon (antifoaming agent) 0.3%
Water complements to 100%
Processing method by embodiment 4 makes 12% second worm nitrile pymetrozine suspension agent.Should fill a prescription by 20 milliliters of/mu dilution spraying control rice fulgorids; 48 hours control efficiency are 89.3% behind the medicine; 10% second worm nitrile suspending agent (40 milliliters of mu consumptions) and 20% pyrrole aphid ketone wetting powder (mu consumption 32 grams) spraying is used, and 48 hours preventive effects are respectively 78.9% and 65.6% behind the medicine.

Claims (6)

1. composition pesticide is characterized in that comprising:
A) the first active component second worm nitrile;
B) the second active component pyrrole aphid ketone;
The weight ratio of first active component and second active component is 1: 10~10: 1.
2. a kind of composition pesticide according to claim 1 is characterized in that: the weight ratio of first active component and second active component is 1: 5~3: 1.
3. a kind of composition pesticide according to claim 2 is characterized in that: the weight ratio of first active component and second active component is 1: 2~1: 4.
4. according to each described composition pesticide of claim 1 to 3, it is characterized in that said combination dosage form is one or more of wetting powder, suspending agent, aqueous emulsion and water-dispersible granules.
5. a kind of composition pesticide according to claim 4 is characterized in that: the weight percentage of two kinds of active ingredients in preparation is between 5%~80%.
6. the purposes of each said composition of claim 1 to 3 in control plant hopper and aphid.
CN2009101648078A 2009-08-01 2009-08-01 Pesticide compound Active CN101617676B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101669481B (en) * 2009-10-13 2012-06-27 陕西上格之路生物科学有限公司 Pesticidal composition containing pymetrozine and ethiprole
EP2422620A1 (en) * 2010-08-26 2012-02-29 Bayer CropScience AG Insecticidal combinations comprising ethiprole and pymetrozine
CN101999395B (en) * 2010-11-22 2013-11-27 陕西美邦农药有限公司 Insecticidal composition containing pymetrozine
CN103098800A (en) * 2013-02-02 2013-05-15 广东中迅农科股份有限公司 Pymetrozine-ethiprole effervescent tablet and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007112847A2 (en) * 2006-03-29 2007-10-11 Bayer Cropscience Ag Active ingredient combinations with insecticidal properties
CN101069506A (en) * 2007-06-21 2007-11-14 江苏克胜集团股份有限公司 Pymetrozine suspension agent and preparation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007112847A2 (en) * 2006-03-29 2007-10-11 Bayer Cropscience Ag Active ingredient combinations with insecticidal properties
CN101069506A (en) * 2007-06-21 2007-11-14 江苏克胜集团股份有限公司 Pymetrozine suspension agent and preparation method

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