CN101584343B - Metaflumizone and chlorpyrifos mixture insecticide - Google Patents
Metaflumizone and chlorpyrifos mixture insecticide Download PDFInfo
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Abstract
The invention discloses a metaflumizone and chlorpyrifos mixture insecticide belonging to the agricultural chemical preparation technical field. Components and weight percentage content of the insecticide are: 0.5% to 10% of metaflumizone, 20% to 40% of chlorpyrifos, 8% to 15% of emulsifier, 5% to 15% of latent solvent, 1% to 5% of antifreeze, 0.3% to 8% of stabilizing agent, 0.2% to 4% of potentiating agent, 20% to 60% of solvent, 0.1% to 0.3% of pH value regulator. The mixture insecticide has obvious synergism when maintaining advantages of single dosage. The whole toxicity coefficient reaches 170 above. The mixture insecticide is more rapid than metaflumizone single dosage and longer than chlorpyrifos single dosage in lasting effect, which has obvious insecticidal activity for rice leafroller, pink stem borer and Chilo suppressalis. Compared with metaflumizone single dosage, the mixture insecticide has low agricultural chemical cost which reduces 30% above. The invention can be wid ely applied in field production and agricultural chemical manufacturing companies.
Description
Technical field
The present invention relates to the preparation technique of pesticide field, be specially a kind of by metaflumizone (metaflumizone) and the composite high-efficient low toxicity insecticide that is used for control rice leaf roller and the snout moth's larva of rice that forms of chlopyrifos (chlorpyrifos).
Background technology
Rice leaf roller (Cnaphalocrocis medinalis Guenee) and the snout moth's larva of rice (comprising striped rice borer, paddy stem borer and pink rice borer) are the primary pests in the Rice Production, generally can cause 2～3 one-tenth of the underproduction, can reach 5 one-tenth when serious more than.Especially in recent years owing to reasons such as climatic variation, pattern of farming changes, occur and cause harm particularly serious.The main medicament of preventing and treating for a long time above-mentioned insect is desinsection list, Hostathion, chlopyrifos, ethiprole etc., wherein desinsection list (two) belongs to the bio-imitability low toxic pesticide, but its to 2 ages above rice leaf roller control efficiency relatively poor, and use because of long-term, rice leaf roller, striped rice borer and paddy stem borer have all produced obvious resistance to desinsection list (two), and control efficiency significantly descends.In recent years, especially in the situation that rice leaf roller breaks out on a large scale, the existing single control medicaments such as desinsection list, Hostathion, chlopyrifos, ethiprole, Avermectin all fail effectively to control causing harm of rice leaf roller and the snout moth's larva of rice, produce to paddy rice and bring heavy losses.
The chemical name of metaflumizone is (E+Z)-2-[2-(4-cyano group benzene)-1-(3-trifluoromethylbenzene) ethylidene]-N-(4-trifluomethoxybenzene) hydrazine carbonyl oxamides, be a kind of novel pesticide of being developed jointly by BASF Aktiengesellschaft and Japanese agricultural chemicals company.It is a kind of insecticide with brand-new mechanism of action, takes food to enter in its body by insect stomach toxicity occurs to kill off the insect pests, and action of contace poison is less, without systemic action.This medicine has preferably control efficiency for the target pest in each length of time, this medicine enters polypide behind the insect's food-taking, by the sodium-ion channel on the mechanism of action blocking-up insect neuron axon film of uniqueness, make sodium ion can not pass through axolemma, and then suppress nerve impulse and make excessive the loosening of polypide, paralysis is after several hours, insect namely stops to take food, and is dead in 1～3d.Metaflumizone has obvious control efficiency to Lepidoptera and coleoptera, as it is first-class to common are rice leaf roller, rice-stem borer, beet armyworm, cotton bollworm, pink bollworm, imported cabbageworm, tomato moth, diamond-back moth, Hellula undalis, black cutworm, potato leaf, it can prevent and treat all vegetative stages of Lepidoptera and coleoptera larvae widely, has the characteristics such as dosage is low, stability and high efficiency.Most of paddy fields in China, rice leaf roller and the snout moth's larva of rice (striped rice borer, paddy stem borer and pink rice borer etc.) usually occur the same period, cause serious complex damage.Though metaflumizone is mainly brought into play stomach poison function to insect, the lasting period is long, because action of contace poison is less, without systemic action, desinsection speed is relatively slow.
Chlopyrifos is the fast-acting insecticide of a kind of common employing of China's paddy fields, has the infiltration insecticidal action, it is the main medicament of the current control snout moth's larva of rice, but its lasting period is shorter, and relatively low to the insecticidal activity of rice leaf roller above larva in 2 age, thereby the rice leaf roller control efficiency that the chlopyrifos single dose is mixed the length of time to the field is relatively poor.
Summary of the invention
The present invention seeks to, though long for the metaflumizone single dose lasting period, but its desinsection speed is slower, can not control rapidly and cause harm, though and its desinsection speed of chlopyrifos single dose is fast but deficiency that the lasting period is short by network analysis, utilizes both in the separately advantage of killing on the target pest, by complementation, the synergistic effect that scientific and reasonable compounded technology produces, propose that a kind of insecticidal spectrum is wide, synergy obviously, cost is lower, especially to rice leaf roller and the specific Recompounded pesticide new varieties of the snout moth's larva of rice.
The object of the invention is achieved by the following technical programs:
A kind of metaflumizone and chlorpyrifos mixture insecticide, the component of this insecticide and the weight percent content of each component are:
Metaflumizone 0.5-10%,
Chlopyrifos 20-40%,
Emulsifier 8-15%,
Cosolvent 5-15%,
Antifreezing agent 1-5%,
Stabilizing agent 0.3-8%,
Synergist 0.2-4%,
Solvent 20-60%,
PH value conditioning agent 0.1-0.3%, pH value 3-7.
The optimization formula of described compounded pesticides is: 1.0 kilograms of metaflumizones, 30.0 kilograms of chlopyrifos, 220114.7 kilograms of farming breasts, 9.1 kilograms of ethanol, 3.0 kilograms of propane diols, 2.0 kilograms of glycerine, 0.6 kilogram of xanthan gum, 0.6 kilogram of CMC, 2.0 kilograms of Butacides, C
920.0 kilograms in aromatic hydrocarbons, C
1016.7 kilograms in aromatic hydrocarbons, 0.2 kilogram of acetic acid, 0.1 kilogram of hydrochloric acid, the pH value is 3.
Described emulsifier is any one or any two kinds mixture that is selected from the farming breast 2201,650,0201,3208 and 0204.
Described cosolvent is any one or any two kinds mixture that is selected from ethanol, methyl alcohol, isoamyl alcohol, dimethyl formamide, hexanone and the acetone.
Described antifreezing agent is any one or any two kinds mixture that is selected from ethylene glycol, propane diols, glycerine and the urea.
Described stabilizing agent is to be any one or any two kinds mixture that is selected from xanthan gum, CMC, Sodium Polyacrylate and the aluminium-magnesium silicate.
Described synergist is any one or any two kinds mixture that is selected from Butacide, Piprotal, the sulfoxide.
Described solvent is to be selected from dimethylbenzene, toluene, C
9Aromatic hydrocarbons, C
10In aromatic hydrocarbons, ethanol, methyl alcohol and the acetone any one or any two kinds mixture.
Described pH adjusting agent is any one or any two kinds mixture that is selected from acetic acid, hydrochloric acid, sodium hydroxide and the potassium hydroxide.
The preparation of metaflumizone and chlorpyrifos mixture cream pesticide is, first with in former medicinal cosolvent dissolving and the input modulation kettle, have high input again behind the partial solvent under agitation, drop into successively emulsifier, stabilizing agent, synergist, antifreezing agent and remaining solvent, regulate the pH value to 3-7, stir, analyze, filter, packing namely gets the compounded cream agent.
Above-mentioned metaflumizone and chlorpyrifos mixture insecticide also can be processed into other formulations such as soluble liquid, microemulsion according to a conventional method except emulsifiable concentrate.
The invention has the advantages that:
(1) metaflumizone and chlopyrifos are mixed according to the above ratio, when keeping the advantage of single dose own, synergistic function is obvious, the complex preparation co-toxicity coefficient can reach more than 170, better than metaflumizone single dose quick-acting, longer than chlopyrifos single dose lasting effect, the insecticidal activity of rice leaf roller, pink rice borer, striped rice borer is obviously strengthened;
(2) this composite product was especially in recent years, and most of agricultural chemicals having been produced has drug-fast rice leaf roller and striped rice borer, and this product still has the control efficiency more than 90%;
(3) utilize two kinds of agricultural chemicals that the different mode of action of insect, the mechanism of action reasonably are mixed, both prolonged the service life of agricultural chemicals, delayed again the generation of pest resistance to insecticide;
(4) above-mentioned mixture reasonable mixture ratio is compared with the metaflumizone single dose, and its agricultural chemicals use cost descends more than 30%;
(5) this built agent insecticidal spectrum is wide, effective drug duration prolongs, a dispenser can prevent and treat various pests simultaneously, thereby can effectively avoid repeatedly using agricultural chemicals, greatly reduce agricultural chemicals to the injected volume of environment, therefore compounded pesticides of the present invention meets the requirement that present pollution-less agriculture is produced, and application prospect is comparatively wide.
Embodiment
The present invention is described in further detail by following examples, but should be appreciated that the present invention is not limited by these contents.
In each of the embodiments described below:
The former medicine of 98% metaflumizone: available from Basf China Co., Ltd;
The former medicine of 98% chlopyrifos: available from Zhejiang Xinnong Chemical Co.,Ltd.
Embodiment 1:(metaflumizone, chlorpyrifos mixture missible oil product one)
Take by weighing respectively 10.0 kilograms of metaflumizones, 20.0 kilograms of chlopyrifos, 0,201 4.0 kilogram of farming breast, 0,204 4.2 kilogram of farming breast, 2.4 kilograms of isoamyl alcohol, 4.8 kilograms of dimethyl formamides, 2.5 kilograms of glycerine, Sodium Polyacrylate, 3.7 kilograms, 4.2 kilograms of aluminium-magnesium silicates, 0.7 kilogram of sulfoxide, 0.5 kilogram of Piprotal, 30.0 kilograms of dimethylbenzene, 12.9 kilograms in C10 aromatic hydrocarbons, 0.1 kilogram in sodium hydroxide; With in the former medicinal cosolvent dissolving of powdery and the input modulation kettle, under agitation, drop into successively emulsifier, stabilizing agent, synergist, antifreezing agent and remaining solvent behind the partial solvent that has high input again first, regulate pH value to 5.1, stir, analyze, filter, packing namely gets the compounded cream agent.
Embodiment 2:(metaflumizone, chlorpyrifos mixture missible oil product two)
Its prescription is: 8.0 kilograms of metaflumizones, 40.0 kilograms of chlopyrifos, 3,208 6.0 kilograms of farming breasts, 650 2.0 kilograms of farming breasts, 14.8 kilograms of dimethyl formamides, 4.0 kilograms in urea, 4.2 kilograms of aluminium-magnesium silicates, 0.5 kilogram of Piprotal, 10.0 kilograms of dimethylbenzene, 10.3 kilograms of toluene, 0.2 kilogram of hydrochloric acid; Adjust pH to 3.4; All the other preparation methods are with embodiment 1.
Embodiment 3:(metaflumizone, chlorpyrifos mixture missible oil product three)
Its prescription is: 4.0 kilograms of metaflumizones, 40.0 kilograms of chlopyrifos, 0,204 10.0 kilogram of farming breast, 2.0 kilograms of methyl alcohol, 3.0 kilograms of isoamyl alcohol, 2.0 kilograms of propane diols, 1.0 kilograms in urea, 3.0 kilograms of CMCs, 0.1 kilogram of Piprotal, 0.1 kilogram of sulfoxide, C
926.6 kilograms in aromatic hydrocarbons, C
108.0 kilograms in aromatic hydrocarbons, 0.2 kilogram of hydrochloric acid; Adjust pH to 4.1; All the other preparation methods are with embodiment 1.
Embodiment 4:(metaflumizone, chlorpyrifos mixture missible oil product four)
Its prescription is: 1.8 kilograms of metaflumizones, 36.0 kilograms of chlopyrifos, 0,201 15.0 kilogram of farming breast, 7.0 kilograms of isoamyl alcohol, 1.1 kilograms of glycerine, 3.9 kilograms of Sodium Polyacrylates, 3.1 kilograms of sulfoxides, 12.0 kilograms in acetone, 19.8 kilograms of dimethylbenzene, 0.3 kilogram in potassium hydroxide; Adjust pH to 6.9; All the other preparation methods are with embodiment 1.
Embodiment 5:(metaflumizone, chlorpyrifos mixture missible oil product five)
Its prescription is: 1.0 kilograms of metaflumizones, 30.0 kilograms of chlopyrifos, 2,201 14.7 kilograms of farming breasts, 9.1 kilograms of ethanol, 3.0 kilograms of propane diols, 2.0 kilograms of glycerine, 0.6 kilogram of xanthan gum, 0.6 kilogram of CMC, 2.0 kilograms of Butacides, C
920.0 kilograms in aromatic hydrocarbons, C
1016.7 kilograms in aromatic hydrocarbons, 0.2 kilogram of acetic acid, 0.1 kilogram of hydrochloric acid; Adjust pH to 3; All the other preparation methods are with embodiment 1.
Embodiment 6:(metaflumizone, chlorpyrifos mixture missible oil product six)
Its prescription is: 0.8 kilogram of metaflumizone, 32.0 kilograms of chlopyrifos, 3,208 6.0 kilograms of farming breasts, 2.2 kilograms in acetone, 6.5 kilograms of methyl alcohol, 3.0 kilograms of ethylene glycol, 4.0 kilograms of xanthan gums, 1.0 kilograms of CMCs, 1.3 kilograms of Butacides, 43.0 kilograms of dimethylbenzene, 0.2 kilogram in sodium hydroxide; Adjust pH to 6.2; All the other preparation methods are with embodiment 1.
Embodiment 7:(metaflumizone, chlorpyrifos mixture missible oil product seven)
Its prescription is: 0.5 kilogram of metaflumizone, 25.0 kilograms of chlopyrifos, 2,201 8.0 kilograms of farming breasts, 5.0 kilograms of ethanol, 1.0 kilograms of ethylene glycol, 1.0 kilograms of glycerine, 0.2 kilogram of xanthan gum, 0.1 kilogram of CMC, 2.0 kilograms of Butacides, 43.1 kilograms in C9 aromatic hydrocarbons, 14.0 kilograms in C10 aromatic hydrocarbons, 0.1 kilogram in sodium hydroxide; Adjust pH to 4.8; All the other preparation methods are with embodiment 1.
Through indoor bioassay, metaflumizone and the chlorpyrifos mixture insecticidal emulsifiable concentrate of containing provided by the present invention has good synergistic effect to the insecticidal activity of rice leaf roller.
Table 1 metaflumizone and the agent of chlorpyrifos mixture insecticidal emulsifiable concentrate are to the synergistic effect to rice leaf roller
| The medicament title | LC 50(mg/L) | Proportioning | Co-toxicity coefficient (CTC) |
| Metaflumizone | 18.52 | / | |
| Chlopyrifos | 9.96 | / | |
| Embodiment 1 | 9.22 | Cyanogen: poison=1: 2 | 176.5 |
| Embodiment 2 | 9.31 | Cyanogen: poison=1: 5 | 174.6 |
| Embodiment 3 | 6.67 | Cyanogen: poison=1: 10 | 223.2 |
| Embodiment 4 | 6.65 | Cyanogen: poison=1: 20 | 265.7 |
| Embodiment 5 | 5.58 | Cyanogen: poison=1: 30 | 283.6 |
| Embodiment 6 | 6.34 | Cyanogen: poison=1: 40 | 238.3 |
| Embodiment 7 | 8.03 | Cyanogen: poison=1: 50 | 198.9 |
As can be seen from Table 1, metaflumizone and chlopyrifos can be worked in coordination with well and be played a role, so that insecticidal effect is far longer than independent use metaflumizone or chlorpyrifos pesticide.
Test is take rice leaf roller 3 instar larvaes (field collection) as the examination worm, and biological activity determination is infusion process.Contrast medicament 48% chlorpyrifos ec (EC), 24% metaflumizone suspending agent (SC); Each medicament is diluted to 6 concentration for examination with running water geometric ratio form.Get third-instar larvae and flood to take out afterwards in 5 seconds in reagent agent and put into the culture dish that is placed with fresh rice straw, each concentration repeats 3 times, each 20.28 ℃ of cultivation temperature, relative moisture 90%.Process check result after 24 hours.Check result is utilized software SPSS platform, adopts dosage logarithm-dead probability value curve method to calculate and tries to achieve corresponding LC
50Value is calculated co-toxicity coefficient (Co-toxicity coefficient, CTC) contains metaflumizone and chlorpyrifos ec with judgement synergy situation with Sun Yunpei (Yun-peisun) method again.
Test example 1:(metaflumizone and chlorpyrifos ec are to the field control effectiveness test of rice leaf roller)
Test period: in July, 2008
Test site: Zhejiang Hangzhou
Subjects: rice leaf roller
Test medicine: 31% metaflumizone. chlorpyrifos ec (product five)
Application method: complete stool spraying
Contrast medicament: 48% chlorpyrifos ec (Xianju Pesticide Factory, Zhejiang Prov.); 24% metaflumizone suspending agent (BASF Aktiengesellschaft)
Table 2 compounded cream agent of the present invention and former prescription agent control rice leaf roller Piglet s colibacillosis
| Process | Consumption (ml/ mu) | 2d preventive effect (%) | 6d preventive effect (%) | 15d preventive effect (%) |
| Embodiment 5 products | 60 | 86.9 | 93.7 | 97.3 |
| 24% metaflumizone suspending agent | 60 | 37.6 | 89.9 | 97.5 |
| 48% chlorpyrifos ec | 100 | 81.9 | 58.5 | 35.4 |
Test example 2:(metaflumizone and chlorpyrifos ec are to the field control effectiveness test of striped rice borer and pink rice borer)
Test period: in August, 2008
Test site: Jinhua, Zhejiang
Subjects: striped rice borer, pink rice borer
Test medicine: 31% metaflumizone. chlorpyrifos ec (product five)
Application method: complete stool spraying
Contrast medicament: 48% chlorpyrifos ec (Xianju Pesticide Factory, Zhejiang Prov.); 24% metaflumizone suspending agent (BASF Aktiengesellschaft)
Table 3 compounded cream agent of the present invention and former prescription agent control striped rice borer and pink rice borer Piglet s colibacillosis
Table 2, table 3 show that all built agent of the present invention compares with chlopyrifos, significant prolongation the lasting period; And compare with metaflumizone, then significantly strengthened quick-acting.Therefore, this built agent all has quick-acting and long-acting characteristic concurrently to rice leaf roller, striped rice borer and pink rice borer, becomes a kind of brand-new whole-process high-efficiency medicament, can reduce the field rotating medicine number of times.
Claims (2)
1. a metaflumizone and chlorpyrifos mixture insecticide is characterized in that the component of this insecticide and the weight percent content of each component are:
Metaflumizone 0.5-10%, chlopyrifos 20-40%,
Emulsifier 8-15%, cosolvent 5-15%,
Antifreezing agent 1-5%, stabilizing agent 0.3-8%,
Synergist 0.2-4%, solvent 20-60%,
PH value conditioning agent 0.1-0.3%, pH value 3-7,
Described emulsifier is any one or any two kinds mixture that is selected from the farming breast 2201,650,0201,3208 and 0204; Described cosolvent is any one or any two kinds mixture that is selected from ethanol, methyl alcohol, isoamyl alcohol, dimethyl formamide, hexanone and the acetone; Described antifreezing agent is any one or any two kinds mixture that is selected from ethylene glycol, propane diols, glycerine and the urea; Described stabilizing agent is any one or any two kinds mixture that is selected from xanthan gum, CMC, Sodium Polyacrylate and the aluminium-magnesium silicate; Described synergist is any one or any two kinds mixture that is selected from Butacide, Piprotal, the sulfoxide; Described solvent is to be selected from dimethylbenzene, toluene, C
9Aromatic hydrocarbons, C
10In aromatic hydrocarbons, ethanol, methyl alcohol and the acetone any one or any two kinds mixture; Described pH adjusting agent is any one or any two kinds mixture that is selected from acetic acid, hydrochloric acid, sodium hydroxide and the potassium hydroxide.
2. by the described compounded pesticides of claim l, it is characterized in that this insecticide formulation is: 1.0 kilograms of metaflumizones, 30.0 kilograms of chlopyrifos, 2,201 14.7 kilograms of farming breasts, 9.1 kilograms of ethanol, 3.0 kilograms of propane diols, 2.0 kilograms of glycerine, 0.6 kilogram of xanthan gum, 0.6 kilogram of CMC, 2.0 kilograms of Butacides, C
920.0 kilograms in aromatic hydrocarbons, C
1016.7 kilograms in aromatic hydrocarbons, 0.2 kilogram of acetic acid, 0.1 kilogram of hydrochloric acid, the pH value is 3.
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| CN101731253B (en) * | 2009-12-30 | 2013-04-10 | 深圳诺普信农化股份有限公司 | Pesticide composition |
| CN103109836B (en) * | 2010-01-05 | 2016-04-13 | 海南正业中农高科股份有限公司 | Pesticidal combination containing metaflumizone and dimehypo or cartap |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408232A (en) * | 2001-09-17 | 2003-04-09 | 中国农业科学院植物保护研究所 | Chlorpyrifos micro emulsion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408232A (en) * | 2001-09-17 | 2003-04-09 | 中国农业科学院植物保护研究所 | Chlorpyrifos micro emulsion |
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