CN1175738C - Composition with pesticide and miticide actility - Google Patents
Composition with pesticide and miticide actilityInfo
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- CN1175738C CN1175738C CNB021126461A CN02112646A CN1175738C CN 1175738 C CN1175738 C CN 1175738C CN B021126461 A CNB021126461 A CN B021126461A CN 02112646 A CN02112646 A CN 02112646A CN 1175738 C CN1175738 C CN 1175738C
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- chlorfenapyr
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Abstract
The present invention relates to a composition with acarid killing activity and pest killing activity, particularly to a composition with acarid killing activity and pest killing activity, which comprises 4-bromine-2-(4-chlorophenyl)-1-ethyl methoxypyridine-5-(trifluoromethyl) pyrrole-3-formonitrile (chlorfenapyr for short) as an active component and one kind of or several kinds of components selected from high efficiency cypermethrin, a nicotine pesticide, a hydrazide pesticide, a pyrazole acaricide, a pyrazole pesticide, a chitin synthetic inhibitor and pyridaben. The composition with acarid killing activity and pest killing activity can be effectively used for preventing and controlling the insect pests and the acarids of the crops of agriculture, horticulture, etc.
Description
Technical field
The composition that the present invention has a pesticide and miticide actility relates to and a kind ofly contains 4-bromo-2-(4-chlorphenyl)-1-ethoxymethyl-5-(trifluoromethyl) pyrroles-3-formonitrile HCN as active ingredient (to call " chlorfenapyr " in the following text, its general Chlorfenapyr by name) and one or more be selected from the composition with pesticide and miticide actility of beta-cypermethrin, nicotinic insecticide, hydrazides insecticides, pyrazoles insecticidal/acaricidal agent, chitin synthesis inhibitor, pyridaben, can be used to prevent and treat cotton, vegetables, fruit tree, tea tree, gardening, flowers and other crops pest control and mite effectively.Belong to the agriculture and garden field.
Background technology
Aspect crop or ornamental plant protection, be principle with disease, worm, the crop smothering comprehensive regulation, to adopt agricultural chemicals to reduce causing harm of disease pest and weed inevitably, improve crop yield and quality.Agricultural chemicals is as a class important agricultural material, in the history of the existing 50 years of researches exploitation of China, production application.At first, diversity of organism makes the pest in damage to crops and gardens comprise that populations such as disease, worm, grass constantly change, and is more and more higher for the requirement of control medicament; Secondly, the prolonged application of agricultural chemicals develops immunity to drugs pest, and this just needs, and the pesticide research developer develops efficiently, safety, and eco-friendly pharmaceutical preparations, to satisfy the needs of plant protection.Once more, because the research and development cycle of novel pesticide is long, difficulty is big, and is scientific and reasonable for the application requirements of new varieties, increases the service life, and increases investment repayment.At last,, accept alap cost, comprise reagent cost and application cost for direct user.
One of the effective ingredient chlorfenapyr that has the composition of pesticide and miticide actility as the present invention is the organic heterocyclic pyroles insecticidal/acaricidal agent of agriculture and garden field extensive use, wide spectrum, efficient, the mechanism of action uniqueness is an insect energy metabolism inhibitor, belongs to oxidative phosphorylation uncoupler.Chlorfenapyr based on tag, stomach toxicity, Lepidoptera, thrips, mite class etc. had excellent activity, the insect and the mite of especially resisting organic phosphates, carbamates, pyrethroid have special efficacy, are applied to agriculture and garden crop pest control and mites such as cotton, vegetables, fruit tree, tea tree, gardening, flowers.
Other effective ingredient that has the composition of pesticide and miticide actility as the present invention can be selected from wherein one or more of following (1)～(16) such as beta-cypermethrin, nicotinic insecticide, hydrazides insecticides, pyrazoles insecticidal/acaricidal agent, chitin synthesis inhibitor, pyridaben.These 16 kinds of medicaments are called for short A group compound, and are as follows with the format description of Chinese common name/common name/pharmacy type respectively:
(1) beta-cypermethrin/High Effect Cypermethrin/ pyrethroid
(2) Imidacloprid/Imidacloprid/ nicotinoids
(3) Acetamiprid/Acetamiprid/ nicotinoids
(4) thiophene worm piperazine/Thiamethoxam/ nicotinoids
(5) thiophene worm quinoline/Thacloprid/ nicotinoids
(6) worm hydrazides/Tebufenozide/ hydrazides class
(7) chlorine worm hydrazides/Halofenozide/ hydrazides class
(8) methoxyfenozide/Methoxyfenozide/ hydrazides class
(9) ring worm hydrazides/Chromafenozide/ hydrazides class
(10) fluorine worm nitrile/Fipronil/ pyrazoles
(11) tebufenpyrad/Tebufenpyrad/ pyrazoles
(12) UC 62644/Chlorfluazuron/ chitin synthesis inhibitor class
(13) flucycloxuron/Flucycloxuron/ chitin synthesis inhibitor class
(14) Acarus tritici urea/Lurfenuron/ chitin synthesis inhibitor class
(15) fluorine uride/Novaluron/ chitin synthesis inhibitor class
(16) pyridaben/Pyridaben/ pyridazinone
Beta-cypermethrin is one of pyrethroid medicament of Jiangsu Province's pesticide research research and development.It is widely used in control cotton bollworm, pink bollworm, diamond-back moth, cabbage caterpillar, prodenia lituras such as cotton, vegetables, fruit tree, lepidopterous insects such as beet armyworm, tea geometrid.
The nicotinoids medicament is the novel pesticide of developing over past ten years that is with historically new significance, it is typical chronic never poison, have interior suction, tag, effect such as food refusal, in the control of Homoptera insects such as aphid, plant hopper, aleyrodid, have crucial status.Kind involved in the present invention has Imidacloprid, Acetamiprid, thiophene worm piperazine and thiophene worm quinoline etc.
Hydrazides class medicament is to intend moulting hormone class insect growth regulator, IGR, belongs to one of safest insecticide.It to lepidoptera pest have stomach toxicity, tag, interior suction, food refusal isoreactivity, aspect the preventing and treating of insects such as vegetables, gardens, have fabulous market prospects.Kind involved in the present invention has worm hydrazides, chlorine worm hydrazides, methoxyfenozide and ring worm hydrazides etc.Because the mechanism of action of such medicament uniqueness is really brought into play the period of drug effect and, need be replenished mutually with the medicament of quick-acting in application facet, to satisfy the needs of production application after 3 days in dispenser.
The pyrazoles medicament has novel action mechanism, and is different with organic phosphates, carbamates, pyrethroid etc., is the transmission that suppresses neurotransmitter r-aminobutyric acid acceptor.The medicament that the present invention relates to has fluorine worm nitrile and tebufenpyrad etc.They have high activity to pests such as Lepidoptera, coleoptera, mite classes.Can effectively prevent and treat agricultural gardening pest insects such as paddy rice, cotton, vegetables, fruit tree, tea tree.
Chlorfenapyr and six class medicaments are effective to agricultural gardening pest insects such as Lepidoptera, Homoptera, coleopteron and mite classes.In research and development and using, unitary agent or mix preparation are provided with practicality.But, there is following problem in actual applications:
(1) repeatedly or continuously after the use insect or mite are developed immunity to drugs.
(2) use of single medicament is at insect, single dispenser when the evil mite is taken place simultaneously, expenses for prevention and control height.
How addressing the above problem, effectively way is:
(1) reasonably medicament is carried out co-toxicity research, adopt to be mixed or to take turns and way suspension of pesticide resistance generation effectively such as use, prolong medicament service life;
(2) because selected medicament mechanism of action is novel, lepidoptera pest and the mite class that organic phosphor, pyrethroid, carbamates medicament is developed immunity to drugs had efficiently.
(3) rationally using with of medicament can reach double purpose of controlling, saving the control cost.
Summary of the invention
Purpose of the present invention just provides agricultural gardening pest insect, evil mite is comprised that insect or mite that organic phosphates, carbamates, pyrethroid etc. are developed immunity to drugs can show highly active insect-killing and mite-killing agent composition.
In order to determine to administer the scheme of lepidoptera pest, present inventors carry out co-toxicity research with chlorfenapyr and available insecticide to diamond-back moth (Plutella xylostella L.), the diamond-back moth that the present invention adopts has produced resistance to organic phosphor, pyrethroid medicament, therefore, medicaments such as chlorfenapyr and beta-cypermethrin, hydrazides class, chitin synthesis inhibitor, pyroles not only have synergistic effect, and it is very effective to prevent and treat the resistance diamond-back moth as insecticidal/acaricidal agent.
In order to determine to administer the scheme of homoptera pest, present inventors carry out co-toxicity research with chlorfenapyr and nicotinic insecticide to black bean aphid (Aphis craccivora), consequently medicament such as chlorfenapyr and Imidacloprid has synergistic effect, and is very effective as insect-killing and mite-killing agent composition.
In order to determine to administer the scheme of mite class, present inventors carry out co-toxicity research with chlorfenapyr and beta-cypermethrin, tebufenpyrad, pyridaben etc. to Tetranychus cinnabarinus (Tetranychus cinnabarinus), consequently medicament synergy such as chlorfenapyr and beta-cypermethrin, tebufenpyrad, pyridaben are very effective as insect-killing and mite-killing agent composition.
That is, key of the present invention be with 4-bromo-2-(4-chlorphenyl)-1-ethoxymethyl-5-(trifluoromethyl) pyrroles-3-formonitrile HCN (be called for short: chlorfenapyr) and one or more be selected from the composition with pesticide and miticide actility of beta-cypermethrin, nicotinic insecticide, hydrazides insecticides, pyrazoles insecticidal/acaricidal agent, chitin synthesis inhibitor, pyridaben.The composition that the present invention has pesticide and miticide actility can be used to prevent and treat crop pest control and mites such as agriculture and garden effectively.
Below the present invention is described in detail:
Research object as pest of the present invention comprises that diamond-back moth (Plutella xylostella L.), black bean aphid (Aphis craccivora) and Tetranychus cinnabarinus (Tetranychus cinnabarinus) are respectively representative insect or the mite of Lepidoptera, Homoptera, mite, has important economic implications aspect the insect comprehensive regulation of agriculture and garden crop.The composition that the present invention has a pesticide and miticide actility cotton bollworm on the agriculture and garden crops such as cotton, vegetables, tea tree, fruit tree, gardening, flowers, pink bollworm, corn borer, beet armyworm, prodenia litura, diamond-back moth, tomato moth, imported cabbageworm, leaf roller, fruit are eaten into insect such as moth, lyonetid, tea geometrid, fleahopper, leafhopper, thrips, aphid, chrysomelid, aleyrodid, various tetranychids and mite effective equally.
The present invention has the active ingredient of the composition of pesticide and miticide actility, and chlorfenapyr is compound known (the open communique of Japan's special permission 1989 No. 104042), novel insecticidal/acaricidal agent.Be suitable for one or more of other active ingredient of the present composition such as following compound:
Other effective ingredient that has the composition of pesticide and miticide actility as the present invention is one or more of A group compound that are selected from beta-cypermethrin, nicotinic insecticide, hydrazides insecticides, pyrazoles insecticidal/acaricidal agent, chitin synthesis inhibitor, pyridaben.Nicotinic insecticide can adopt Imidacloprid, Acetamiprid, thiophene worm piperazine and thiophene worm quinoline etc., the hydrazides insecticides can adopt worm hydrazides, chlorine worm hydrazides, methoxyfenozide and ring worm hydrazides etc., pyrazoles can adopt fluorine worm nitrile and tebufenpyrad etc., and chitin synthesis inhibitor can adopt UC 62644, flucycloxuron, Acarus tritici urea and fluorine uride etc.
Concrete common name and medicament classification are listed below, but are not limited in this.
(1) beta-cypermethrin
Common name: High Effect Cypermethrin
Classification: pyrethroid
(2) Imidacloprid
Common name: Imidacloprid
Classification: anabasine
(3) Acetamiprid
Common name: Acetamiprid
Classification: anabasine
(4) thiophene worm piperazine/
Common name: Thiamethoxam
Classification: anabasine
(5) thiophene worm quinoline
Common name: Thacloprid
Classification: anabasine
(6) worm hydrazides
Common name: Tebufenozide
Classification: hydrazides class
(7) chlorine worm hydrazides
Common name: Halofenozide
Classification: hydrazides class
(8) methoxyfenozide
Common name: Methoxyfenozide
Classification: hydrazides class
(9) ring worm hydrazides
Common name: Chromafenozide
Classification: hydrazides class
(10) fluorine worm nitrile
Common name: Fipronil
Classification: pyrazoles
(11) tebufenpyrad
Common name: Tebufenpyrad
Classification: pyrazoles
(12) UC 62644
Common name: Chlorfluazuron
Classification: chitin synthesis inhibitor class
(13) flucycloxuron
Common name: Flucycloxuron
Classification: chitin synthesis inhibitor class
(14) Acarus tritici urea
Common name: Lurfenuron
Classification: chitin synthesis inhibitor class
(15) fluorine uride
Common name: Novaluron
Classification: chitin synthesis inhibitor class
(16) pyridaben
Common name: Pyridaben
Classification: pyridazinone
The title of above-mentioned insecticidal/acaricidal agent is to be recorded in " agricultural chemicals commodity complete works, China Business publishing house, 1996 ", " external pesticide species is mended handbook, Liu Changling, pesticide industry information station, 2000 "
Among the present invention, the medicament and the chlorfenapyr of above-mentioned comprising (1)～(16) have synergistic effect.They all are compound known, and can easily buy from market.
When preparing the composition with pesticide and miticide actility of the present invention, chlorfenapyr, another kind are selected from beta-cypermethrin, nicotinic insecticide, hydrazides insecticides, pyrazoles insecticidal/acaricidal agent, chitin synthesis inhibitor, pyridaben, appropriate carriers and additive, as mixing such as emulsifier, dispersant, stabilizing agent, bleeding agents, can make missible oil, microemulsion, colloidal suspending agent, wetting powder, water dispersion granule, granule etc. by common method.
Being adapted at the present invention, to have the carrier that uses in the composition of pesticide and miticide actility can be any solid or the liquid-carrier that is generally used for the agriculture and garden medicament, as required, can use various surfactants, stabilizing agent and other auxiliary composition, in the preparation of commerce usefulness, composition of the present invention can also with the mixture of other active ingredient (for example various insecticides, miticide, bactericide, weed killer herbicide, plant growth regulator, synergist, fertilizer, aromatic), to expand its applicability.
The present invention has that chlorfenapyr with the ratio that one or more are selected from the composition with pesticide and miticide actility of beta-cypermethrin, nicotinic insecticide, hydrazides insecticides, pyrazoles insecticidal/acaricidal agent, chitin synthesis inhibitor, pyridaben is in the composition of pesticide and miticide actility: 1: 0.1～30, when being chlorfenapyr 1 weight portion, one or more weight portions that are selected from beta-cypermethrin, nicotinic insecticide, hydrazides insecticides, pyrazoles insecticidal/acaricidal agent, chitin synthesis inhibitor, pyridaben are 0.1～30.
Effective especially when the composition for preventing and controlling diamond-back moth with pesticide and miticide actility of the present invention, black bean aphid, Tetranychus cinnabarinus.
Advantageously, the composition that the present invention has pesticide and miticide actility not only has synergistic effect to above-mentioned insect, mite, but also can prevent and treat thorny insect on the important agricultural crops such as cotton, fruit tree, vegetables, tea tree, gardening simultaneously, eat into moth, lyonetid, tea geometrid, fleahopper, leafhopper, thrips, various aphid, chrysomelid, aleyrodid, various tetranychids etc. as cotton bollworm, pink bollworm, corn borer, beet armyworm, prodenia litura, tomato moth, imported cabbageworm, leaf roller, fruit.
Though having the amount of application of the composition of pesticide and miticide actility, the present invention needs to adjust according to the kind of essential condition such as population density, core crop and cropping pattern, weather condition, method of application etc., but generally speaking, the total amount of the composition with pesticide and miticide actility that per hectare is used is 0.1～1000g, is 10～100g preferably.In practice, when the composition that has a pesticide and miticide actility as the present invention is wetting powder, missible oil, microemulsion, colloidal suspending agent, water-dispersible granule etc., can impose on the crop after the effective ingredient consumption dilution by correspondence.
Embodiment
The optimum state that carries out an invention: in the following embodiments, insecticide acaricide composition of the present invention is further described, but its active ingredient and proportioning thereof, auxiliary composition and addition thereof etc. all are not limited to following examples.In addition, all parts all by weight among the embodiment.
Embodiment 1
Example of formulations 1: missible oil
10 parts of chlorfenapyrs
15 parts of beta-cypermethrins
15 parts of Tween 80s
N, 5 parts of dinethylformamides
55 parts of dimethylbenzene
Mentioned component is mixed equably and dissolve, obtain missible oil.
This preparation possibility is prevented and treated insects such as vegetables diamond-back moth, beet armyworm, prodenia litura effectively.
Embodiment 2
Example of formulations 2: missible oil
10 parts of chlorfenapyrs
0.5 part of fluorine worm nitrile
0.5 part of Imidacloprid
15 parts of Tween 80s
N, 5 parts of dinethylformamides
69 parts of dimethylbenzene
Mentioned component is mixed equably and dissolve, obtain missible oil.
This preparation possibility is prevented and treated pests such as lepidoptera pest, all kinds of aphid, mite effectively.
Embodiment 3
Example of formulations 3: missible oil
1 part of chlorfenapyr
30 parts of worm hydrazides
20 parts of Tween 80s
N, 5 parts of dinethylformamides
44 parts of dimethylbenzene
Mentioned component is mixed equably and dissolve, obtain missible oil.
This preparation possibility is prevented and treated lepidoptera pest effectively, and especially the antagonism insect is effective.
Embodiment 4
Example of formulations 4: colloidal suspending agent
10 parts of chlorfenapyrs
0.5 part of fluorine worm nitrile
0.5 part of pyridaben
10 parts of ethylene glycol
5 parts of neopelexes
0.5 part of xanthans
73.5 parts in water
The mixture of chlorfenapyr, fluorine worm nitrile, pyridaben and the ethylene glycol of preparing in advance, neopelex, xanthans is fully mixed and dispersion in water, then this slurry is spared with the levigate mill of ball mill, obtain colloidal suspending agent.
This preparation possibility is prevented and treated pests such as lepidoptera pest, mite effectively.
Embodiment 5
Example of formulations 5: colloidal suspending agent
10 parts of chlorfenapyrs
10 parts of chlorine worm hydrazides
5 parts of beta-cypermethrins
15 parts of ethylene glycol
15 parts of neopelexes
1 part of xanthans
44 parts in water
The mixture of chlorfenapyr, chlorine worm hydrazides, beta-cypermethrin and the ethylene glycol of preparing in advance, neopelex, xanthans is fully mixed and dispersion in water, then this slurry is spared with the levigate mill of ball mill, obtain colloidal suspending agent.
This preparation possibility is prevented and treated pests such as lepidoptera pest, mite effectively.
Embodiment 6
Example of formulations 6: colloidal suspending agent
1 part of chlorfenapyr
30 parts of worm hydrazides
15 parts of ethylene glycol
15 parts of neopelexes
1 part of xanthans
38 parts in water
The mixture of chlorfenapyr, worm hydrazides and the ethylene glycol of preparing in advance, neopelex, xanthans is fully mixed and dispersion in water, then this slurry is spared with the levigate mill of ball mill, obtain colloidal suspending agent.
This preparation possibility is prevented and treated pests such as lepidoptera pest, mite effectively.
Embodiment 7
Example of formulations 7: wetting powder
10 parts of chlorfenapyrs
1 part of Imidacloprid
15 parts of sldium lauryl sulfates
10 parts of Lignosites
64 parts of kaolin
With the airbrasive machine mentioned component is mixed equably, get wetting powder.
This preparation possibility is prevented and treated pests such as lepidoptera pest, all kinds of aphid, various mites effectively.
Embodiment 8
Example of formulations 8: wetting powder
10 parts of chlorfenapyrs
1 part of Imidacloprid
14 parts of pyridabens
20 parts of sldium lauryl sulfates
15 parts of Lignosites
40 parts of kaolin
With the airbrasive machine mentioned component is mixed equably, get wetting powder.
This preparation possibility is prevented and treated pests such as lepidoptera pest, all kinds of aphid, various mites effectively.
Embodiment 9
Example of formulations 9: wetting powder
1 part of chlorfenapyr
10 parts of beta-cypermethrins
20 parts of pyridabens
20 parts of sldium lauryl sulfates
19 parts of Lignosites
30 parts of kaolin
With the airbrasive machine mentioned component is mixed equably, get wetting powder.
This preparation possibility is prevented and treated pests such as lepidoptera pest, all kinds of aphid, various mites effectively.
Then enumerating concrete experimental example has the composition of pesticide and miticide actility to the present invention application and feasibility describes.
Embodiment 10
Experimental example 1
Composition with pesticide and miticide actility is killed the effect test of antagonism pyrethroid diamond-back moth.
With resistance diamond-back moth (R-Plutella xylostella) 3 instar larvaes is tested object.This confession examination diamond-back moth is picked up from the Nanjing, Jiangsu, China vegetable field, and it has reached high anti-level to the resistance of pyrethroid and organophosphorus insecticides, and Jiangsu base, National Research and Development Center for Pesticides demarcates.
Adopt conventional biometric techniques, single agent such as soaking leaf dish feeding method test chlorfenapyr and beta-cypermethrin, worm hydrazides, fluorine worm nitrile and UC 62644 and the mixture virulence to diamond-back moth is adopted in this test, and estimate its synergistic effect with co-toxicity coefficient, instruct the comprehensive regulation of resistance diamond-back moth.The concrete operations main points are described below:
Soak leaf dish feeding method: win luxuriant dish blade from the greenhouse, luxuriant dish blade is broken into circular leaflet dish, avoid the main lobe arteries and veins at every turn when punching with the card punch of 2.5cm diameter, with the about 10s of blade immersion liquid in soup that accomplishes fluently, dry in the air after the taking-up on blotting paper, about 30min, blade surface will not put into the glass culture dish of 6cm diameter with the medicine blade after having liquid medicine, 5 in every ware, every processing connects 10 of worms, repeats the observation ward that puts into 25 ℃ of room temperatures 4 times, 5d checks the lethality of examination worm, calculates LC
50
Co-toxicity coefficient adopts the abundant method of Sun Yun to calculate.
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with
When co-toxicity coefficient obviously greater than 100, showing has synergistic effect; Near 100, expression has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation are shown in table 1,2.
The virulence of table 1 reagent agent antagonism diamond-back moth
Reagent agent virulence LC
50(mgL
-1)
Chlorfenapyr 25.36
Beta-cypermethrin 219.08
Worm hydrazides 69.59
Fluorine worm nitrile 3.02
UC 62644 14.68
Table 2 contains virulence and the co-toxicity coefficient evaluation of the composition antagonism diamond-back moth of chlorfenapyr
Mixing rate virulence LC
50(mgL
-1) CTC
2∶1 3.22 1117.27
Chlorfenapyr+beta-cypermethrin
1∶2 14.36 428.85
1∶1 10.28 361.66
Chlorfenapyr+worm hydrazides
1∶5 4.57 1180.17
Chlorfenapyr+fluorine worm nitrile 8: 1 1.58 880.95
Chlorfenapyr+UC 62644 2: 1 8.64 236.23
As can be seen from Table 2, the co-toxicity coefficient CTC of each composition is all obviously greater than 100, and showing has remarkable synergistic effect.Use mixture of the present invention will produce favourable effect for area with resistance diamond-back moth.Employing has the activity combination of synergistic effect, is equipped with suitable formulation, can prevent and treat lepidopterous insects such as diamond-back moth effectively.Owing to the acaricidal activity of chlorfenapyr, this synergistic mixture also can be used for the control of mite class simultaneously, and therefore, the present invention has the composition of pesticide and miticide actility can prevent and treat agricultural gardening pest insect and mite etc. effectively.
Embodiment 11
Experimental example 2
Composition with pesticide and miticide actility is killed the effect test of Tetranychus cinnabarinus.
Tetranychus cinnabarinus (Tetranychus cinnabarinus) one-tenth mite with indoor feeding is a tested object.
Adopt conventional biometric techniques, handle Tetranychus cinnabarinus with the dipping method medicaments such as chlorfenapyr, beta-cypermethrin, tebufenpyrad, flucycloxuron, pyridaben are carried out toxicity test and synergy mensuration, and estimate its synergistic effect with co-toxicity coefficient, instruct the comprehensive regulation of pests such as resistance tetranychid.The concrete operations main points are described below: get prior cultured bean seedlings, inoculate into mite after repairing is neat, carry out chemicals treatment after stablizing, 10s is soaked in every processing, continues to be cultured to 72h then, checks mite number anyway under anatomical lens, adds up lethality, calculates LC
50
Co-toxicity coefficient adopts the abundant method of Sun Yun to calculate.
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with
When co-toxicity coefficient obviously greater than 100, showing has synergistic effect; Near 100, showing has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation are shown in table 3,4.
Table 3 reagent agent is to the virulence of Tetranychus cinnabarinus
Reagent agent virulence LC
50(mgL
-1)
Chlorfenapyr 1.36
Beta-cypermethrin 23.07
Pyridaben 1.08
Flucycloxuron 5.42
Tebufenpyrad 0.88
Table 4 contains virulence and the co-toxicity coefficient evaluation of the composition of chlorfenapyr to Tetranychus cinnabarinus
Mixing rate virulence LC
50(mgL
-1) CTC
246.99
1∶1 1.04
Chlorfenapyr+beta-cypermethrin
1∶5 5.26 119.77
1∶1 0.53 227.16
Chlorfenapyr+pyridaben
1∶3 0.28 406.65
Chlorfenapyr+flucycloxuron 1: 3 1.36 194.13
Chlorfenapyr+tebufenpyrad 2: 1 0.29 319.76
As can be seen from Table 4, the co-toxicity coefficient CTC of each composition is all obviously greater than 100, and showing has remarkable synergistic effect.Employing has the activity combination of synergistic effect, is equipped with suitable formulation, can prevent and treat various mite classes such as Tetranychus cinnabarinus effectively; Simultaneously because the insecticidal action of medicaments such as chlorfenapyr, beta-cypermethrin, flucycloxuron, the present composition also can be prevented and treated insects such as Lepidoptera effectively, therefore, therefore, the present invention has the composition of pesticide and miticide actility can prevent and treat agricultural gardening pest insect and mite etc. effectively.
Use composition of the present invention can administer harm such as worm, mite simultaneously for the area that pests such as lepidoptera pest, spider mite kind are taken place; reach the purpose of cover crop, raising output and quality, especially on agriculture and garden crops such as cotton, tea tree, fruit tree, vegetables, use.
Claims (1)
1, a kind of composition with pesticide and miticide actility is characterized in that with chlorfenapyr and beta-cypermethrin be active ingredient, and the weight portion of chlorfenapyr is 1, and the weight portion of beta-cypermethrin is 0.1～30.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB021126461A CN1175738C (en) | 2002-02-07 | 2002-02-07 | Composition with pesticide and miticide actility |
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| CNB021126461A CN1175738C (en) | 2002-02-07 | 2002-02-07 | Composition with pesticide and miticide actility |
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|---|---|---|---|
| CNA2004100051739A Division CN1526285A (en) | 2002-02-07 | 2002-02-07 | Composition with pesticidal and miticidal activity |
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| CN1364413A CN1364413A (en) | 2002-08-21 |
| CN1175738C true CN1175738C (en) | 2004-11-17 |
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Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005058039A1 (en) * | 2003-12-12 | 2005-06-30 | Bayer Cropscience Aktiengesellschaft | Synergistic insecticidal mixtures |
| CN101380026B (en) * | 2008-08-06 | 2011-06-22 | 张少武 | Acaricide composition containing benzamide and azocyclotin |
| CN101637172B (en) * | 2009-06-12 | 2013-03-27 | 深圳诺普信农化股份有限公司 | Insecticidal/acaricidal composition having lufenuron and tebufenozide |
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-
2002
- 2002-02-07 CN CNB021126461A patent/CN1175738C/en not_active Expired - Lifetime
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| CN1364413A (en) | 2002-08-21 |
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Address after: 210047 Changfeng Road 269, Nanjing chemical industry park, Jiangsu, China Patentee after: Jiangsu Pesticide Research Institute Co., Ltd. Address before: 210036 screw Bridge No. 80, Jiangsu, Nanjing Patentee before: Jiangsu Prov. Inst. of Agricultural Chemicals |
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