CN102258051B - Composition and method for preventing and removing pests - Google Patents
Composition and method for preventing and removing pests Download PDFInfo
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Abstract
The invention relates to a composition and method for preventing and removing pests, and particularly relates to a composition and method for preventing and removing pests, capable of preventing and controlling various underground pests and soil diseases effectively and simultaneously. The composition for preventing and controlling pests is characterized by containing active components and an adjuvant, wherein the active components are a pesticide chlorpyrifos and a bacteriacide captan and the weight ratio of chlorpyrifos to captan is (50:1)-(1:50), and the active components, namely chlorpyrifos and captan, account for 5-80wt% of the composition. In the method for preventing and removing pests, chlorpyrifos and captan act on pests at the same time, or any one of chlorpyrifos and captan is used to act on the pests at first and then the other one is used to act on the pests.
Description
Technical field
The method of control of Pesticidal composition of the present invention and pest relates to is a kind ofly can prevent and treat the Pesticidal composition of various soil insects and soil disease and the method for control of pest effectively simultaneously.
Background technology
Chlopyrifos (chlorpyrifos), chemical name 0,0-diethyl-0(3,3,6-trichloro-2-pyridyl) thiophosphate, be acetylcholinesteraseinhibitors inhibitors, belong to the phosphorothionate insecticides, have tag, stomach kills and fumigation action.The cauline leaf spraying can be used to prevent and treat rice hoppers, paddy rice rice leaf roller, paddy rice paddy stem borer, mandarin tree scale insect, brassicaceous vegetable prodenia litura, wheat aphid etc.Residual life on blade, is not long, but the residual life in soil is then longer, and is good to the preventive effect of underground insect.
Captan (captan) is the broad spectrum activity organosulfureous fungicide, has protection and therapeutic action concurrently.Pure product are white crystals, fusing point 178
oC is insoluble to oil, meets the alkali instability, decompose during near fusing point, and non-corrosiveness, but its catabolite is corrosive, and toxicity is low, to the high poison of fish, to the bird low toxicity, application on human skin is had excitant.Be mainly used in spraying, generally with 0.1% left and right sides concentration spraying.Also can make seed treatment, results back infusion product carries out soil treatment before the sowing or before planting.For the scab of preventing and treating fruit tree, vegetables, flowers and other economic crops etc., downy mildew, powdery mildew, anthracnose, gray mold, early blight, late blight etc.The activity of this compound is good, and still, it is also unsatisfactory sometimes when hanging down rate of application.
CN200580003066, the method of control about Pesticidal composition and pest thereof of Japan Ishihara Sangyo Kaisha, Ltd. application, this patent disclosure colophonate, gram line pellet, at least a kind of organic phosphorus compound in O-ethyl-S-n-pro-pyl-(2-cyanogen imido grpup-3-ethyl-pyrazoline-1-base-) thiophosphate group and at least a kind of bactericide that is selected from fluorine piperazine amine, benomyl, tolelofos-methyl, metalaxyl, captan, iprodione, tpn, dazomet, hydroxyisoxazole, flutolanil and the valida act on pest as active ingredient.Composition among the present invention is mainly used in preventing and treating the root-knot nematode in the soil.
In the seedling stage of horticultural crop (vegetables, flowers) or dry crop, often be subjected to soil insect for example wireworm, mole cricket, grub, cutworm etc. and soil germ such as rhizoctonia solani, sickle-like bacteria, corruption is mould, epidemic disease is mould mixing infringement, cause dead seedling.
Summary of the invention
The present invention seeks to provides a kind of the method for control that does harm to biological insect control composition and pest at above-mentioned weak point, both can prevent and kill off wireworm, mole cricket, grub, cutworm etc. and live in insect pest in soil, damping off, damping off or root rot etc. that can doublely control soil germ such as rhizoctonia solani, sickle-like bacteria again, corruption is mould, epidemic disease is mould etc. causes, and with independent medication relatively, have significant synergy preventive effect.
The inventor finds can obtain above expected effect, thereby finish the present invention by combination chlopyrifos and captan for solving the result that such problem is studied repeatedly.
The method of control of the present invention's evil biological insect control composition and pest is to take following technical scheme to realize:
A kind of Pesticidal composition is characterized in that containing active ingredient insecticide chlopyrifos and bactericide captan, and wherein chlopyrifos and captan weight proportion are 50:1-1:50.
Described composition death by poisoning tick and captan weight proportion are 1:20-20:1.
Described composition also contains adjuvant except active ingredient, the quality percentage composition that active ingredient chlopyrifos and captan account in the composition is 5-80%.
Described combination dosage form is aqueous emulsion, water dispersible granules, missible oil, wetting powder, suspending agent, coated granule, extrudes granule, microcapsules, suspended emulsion.
The method of control of a kind of pest is characterized in that acting on pest with chlopyrifos and captan as active ingredient.
The method of control of described pest has made above-mentioned chlopyrifos and captan act on pest simultaneously, or any acts on pest to make chlopyrifos compound and captan earlier, then makes another kind act on pest again.
The method of control of described pest makes the ratio of chlopyrifos and captan count 1:50-50:1 by weight.
The method of control of described pest, the concentration that makes above-mentioned active ingredient is the 0.1-10000ppm effect.
The method of control of described pest, pest are the insect that lives in soil and/or the seed, the germ in soil and/or the seed, and rhizoctonia solani, sickle-like bacteria, corruption is mould, epidemic disease is mould.
The method of control of described pest, pest are that the insect that lives in soil and/or the seed is wireworm, mole cricket, grub, cutworm.
The method of control of described pest, pest are that the germ in soil and/or the seed is rhizoctonia solani, sickle-like bacteria, pythium spp, phytophthora etc.
The method of control of described pest, it handles soil and/or seed with above-mentioned chlopyrifos and captan.
By the present invention, can provide to improve simultaneously and prevent and kill off the effect of living in the insect in soil and/or the seed and prevent and kill off new Pesticidal composition and the method for control thereof of the effect of soil and/or seed germ.
The method of control of Pesticidal composition of the present invention and pest, surprised discovery, the composition of chlopyrifos and captan, for prevent and kill off the insect that lives in soil and/or the seed and soil and/germ in the seed the two can bring into play synergistic effect.Composition of the present invention and method have the effect of synergy for Pesticidal.This effect have the various disease and insects that have from each single medicament prevent and kill off the characteristic unpredictable to effect.
The method of control of Pesticidal composition of the present invention and pest, the optimum period medication, consumption is few, the preventive effect height, and reduce expenses for prevention and control, alleviate the pollution to soil and environment, be beneficial to the safety of people, animal, beneficial organism and keeping of the ecological balance, meet the sustainable development requirement.
Embodiment
Chlopyrifos (chlorpyrifos), chemical name 0,0-diethyl-0(3,3,6-trichloro-2-pyridyl) thiophosphate is in that the residual life on the blade is long but residual life in soil is then longer, good to the preventive effect of underground insect.
Captan (Captan), chemical name N-(trichloro-methylthio)-hexamethylene-4-alkene-1, the 2-dicarboximide is mainly used in spraying, generally with 0.1% left and right sides concentration spraying.Also can make seed treatment, results back infusion product carries out soil treatment before the sowing or before planting.US2553770 discloses this compound.
Among the present invention, the ratio of chlopyrifos and captan is counted 1:50-50:1 usually by weight, and preferred 1:20-20:1. composition of the present invention also contains adjuvant except active ingredient.The mixing active ingredients ratio can be 5-80%.Adjuvant can be carrier, and emulsifier, suspending agent, dispersant, solvent, bleeding agent, wetting agent, tackifier, stabilizing agent etc. can suitably add as required.Carrier is divided into solid carrier and liquid-carrier.Solid carrier is the animals and plants powder of starch, active carbon, soybean meal, wheat flour, wood powder, fish meal, milk powder etc., the mineral powder of talcum, kaolin, bentonite, calcium carbonate, zeolite, diatomite, white carbon, clay, alumina, Sulfur powder etc. etc.; Liquid-carrier has the alcohols of water, methyl alcohol, ethanol etc.; The arene of dimethylbenzene, trimethylbenzene, durene, cyclohexane, solvent naphtha etc., the halogenated hydrocarbon of chloroform, chlorobenzene etc., the amide-type of dimethyl formamide etc., the ester class of ethyl acetate, fatty glyceride etc., the nitrile of acetonitrile etc., dimethyl sulfoxide (DMSO) etc. contain compounds etc.Emulsifier, suspending agent, dispersant, solvent, bleeding agent, wetting agent etc. can use various surfactants.In addition, gram and other agricultural chemicals such as insecticide, miticide, nematocide, bactericide, antivirotic, attractant, weed killer herbicide, plant growth regulator etc. are used with, are also used as required.Sometimes can demonstrate more excellent effect in this case.
Composition of the present invention can be mixed with formulation available on the various agriculturals, as the various phychologies of emulsion, pulvis, fine granule, granule, tablet, wetting powder, liquor, aerosol, lake agent, colloidal suspending agent, dried colloidal suspending agent, microcapsule formulations etc.The more preferably form of emulsion, fine granule, wetting powder, liquor, pulvis, granule, tablet etc. wherein.The preferred cooperation ratio of emulsion is active ingredient 5-75 weight portion, carrier 90-10 weight portion, surfactant 5-15 weight portion.The preferred cooperation ratio of pulvis, granule and tablet is active ingredient 0.1-20 weight portion, carrier 85-99 weight portion and surfactant 0.5-5 weight portion in addition.These preparations can directly use when reality is used, and perhaps the thinner of water etc. is diluted to normal concentration and uses.
Composition of the present invention is preferably used with the active ingredient concentration of 1-1000ppm generally with 0.1-10000ppm.Above-mentioned active ingredient concentration can suitably be adjusted according to the form of preparation and the situation occurred of application process, purpose, period, place and insect thereof etc., the amount of application of per unit area is every mu and uses about 1-5000g active ingredient compound, preferably uses 1000-4000g.But, under special situation, also may surpass above-mentioned scope.The application process of the present composition can list soil mixed processing, point and execute that processings, row replacement are handled or the perfusion processing, or to the impregnation process of seed etc., Cotton seeds etc.
Except handling with the present composition the method for pest, the present invention also comprises simultaneously with above-mentioned chlopyrifos and captan and handles the method for pest, behind any chemicals treatment pest with chlopyrifos and captan, use the method for another kind of chemicals treatment pest again.
The pest that the present invention is suitable for has plant parasitic nematodes class such as Meloidogyne incognita, globodera rostochiensis, Cobb root, the white sharp nematode of paddy rice, strawberry bud nematode, pine wood nematodes etc.; Coleopteran pest class such as grub, wireworm, corn weevil, yellow mealworm, malicious rove beetle, day bovine etc.; Lepidoptera pest class such as cutworm, beet armyworm, striped rice borer, corn borer, white butterfly class, oriental fruit moth, leaf roller, peach fruit borer, Oeobia undalis etc.; Gastropod is as strong snail, slug etc.; Orthoptera pest class such as mole cricket, locust, Groton bug, the big Lian of grey etc.; Phytotrophy mite class such as Tetranychus urticae, tetranychus telarius, purple joint mite, the sufficient root mite of thorn etc.; Thrips insect such as southern golden thistle horse, golden thistle horse, yellow chest thrips; Diptera pest such as culex, mosquito, midge, housefly etc.; Hymenoptera insect ant class, wasp class, cabbage sawfly etc.; Isoptera insect such as Japanese termite, coptotermes formosanus etc.
The soil germ has rhizoctonia solani, sickle-like bacteria, corruption is mould, epidemic disease is mould, damping off, root rot.In the ordinary course of things, the soil germ can produce a large amount of thalline, the host is susceptible as long as condition is grown favourable to germ, germ just can breed in a large number and can infect the host, in the presence of susceptible host, these germs just can enter the lasting pathogenic phase, a large amount of breeding diffusions along with the continuous cropping of crop, but nutrient has been consumed or soil condition such as temperature, humidity etc. when unfavorable to germ afterwards, and germ can enter resting stage again.When susceptible host does not exist, under the soil-borne disease bacterium also can survive in soil, except the soil germ has widely host range, can also survive root surface or the broken branches and fallen leaves of non-host, have saprophytic competitive ability with it and be undivided.But different germs are discrepant, almost can survive indefinite duration in soil as sickle-like bacteria.
Composition of the present invention and method generally are used for the seedbed and use, and perhaps impose in kind of the plant hole before and after field planting, play the anti-worm of curing the disease, the effect of protection seedling.
In addition, the present invention also is suitable for a variety of soil infections beyond the illustration or the disease of seed transmission.
Composition of the present invention and method have the effect of synergy for Pesticidal.This effect have the various disease and insects that have from each medicament prevent and kill off the characteristic unpredictable to effect.
Embodiment
Embodiment 1:11% chlopyrifos+captan suspending agent
Chlopyrifos 2%
Captan 9%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
The ratio of each component such as active component, dispersant, wetting agent and water according to prescription mixed, after grinding and/or high speed shear, obtain 11% chlopyrifos+captan suspending agent.
Embodiment 2 15% chlopyrifos+captan wetting powder
Chlopyrifos 7.5%
Captan 7.5%
Lauryl sodium sulfate 2%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Ratio composition in prescription such as active component, various auxiliary agent and filler is mixed, after ultrafine crusher is pulverized, namely obtain 15% chlopyrifos+captan wetting powder.
Embodiment 3 20% chlopyrifos+captan aqueous emulsion
Chlopyrifos 1.25%
Captan 18.75%
N-methyl pyrrolidone 15%
Calcium dodecyl benzene sulfonate 5%
The newborn 600# 5% of farming
Water complements to 100%
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With water-soluble component and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make 20% chlopyrifos+captan aqueous emulsion.
Embodiment 4 5% chlopyrifos+captan water dispersible granule
Chlopyrifos 1.5%
Captan 3.5%
Sodium lignin sulfonate 4%
Lauryl sodium sulfate 5%
Urea 5%
Kaolin complements to 100%
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, be ground into wetting powder through air-flow, add a certain amount of water mixing extruding again and make material.Obtain 5% chlopyrifos+captan water dispersible granule after the drying screening.
Embodiment 5 23% chlopyrifos+captan suspending agent
Chlopyrifos 8%
Captan 15%
Methyl naphthalene sulfonate formaldehyde condensate 10%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
The ratio of each component such as active component, dispersant, wetting agent and water in prescription mixed, after grinding and/or high speed shear, obtain 23% chlopyrifos+captan suspending agent.
Embodiment 6 10% chlopyrifos+captan suspending agent
Chlopyrifos 2%
Captan 8%
Methyl naphthalene sulfonate formaldehyde condensate 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
The ratio of each component such as active component, dispersant, wetting agent and water in prescription mixed, after grinding and/or high speed shear, obtain 10% chlopyrifos+captan suspending agent.
Embodiment 7 25% chlopyrifos+captan wetting powder
Chlopyrifos 15%
Captan 10%
Lauryl sodium sulfate 10%
Sodium lignin sulfonate 5%
White carbon 10%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 8 51% chlopyrifos+captan missible oil
Chlopyrifos 50%
Captan 1%
Dimethyl sulfoxide (DMSO) 10%
Ethoxylated nonylphenol 6%
Calcium dodecyl benzene sulfonate 4%
Solvesso200 complements to 100%
Former medicine behind the complete solvent, is added surfactant, and namely gets missible oil through stirring in solvent.
Embodiment 9 45% chlopyrifos+captan aqueous emulsion
Oil phase:
Chlopyrifos 15%
Captan 30%
Methyl oleate 38%
Polystyrene 3.7%
Water:
Xanthans 0.07%
The sodium salt 1% of the naphthalene sulfonic acids-formaldehyde condensation products of sulfonation
Bactericide 0.2%
Water complements to 100%
Chlopyrifos and captan are dissolved in the methyl oleate, add polystyrene and obtain oil phase; Mix and obtain water according to the component in the prescription; Under agitation oil phase is added water and obtain aqueous emulsion.
Embodiment 10 21% chlopyrifos+captan wetting powder
Chlopyrifos 20%
Captan 1%
Sodium lignin sulfonate 4%
NaLS 2%
The silicic acid 1% of high degree of dispersion
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 11 21% chlopyrifos+captan coated granule
Chlopyrifos 1%
Captan 20%
Polyethylene glycol 3%
The silicic acid 1% of high degree of dispersion
Calcium carbonate complements to 100%
In blender, levigate active component evenly is applied to by on the wetting carrier of polyethylene glycol.Can obtain dustless coated granule in this way.
Embodiment 12 80% chlopyrifos+captan wetting powder
Chlopyrifos 60%
Captan 20%
Lauryl sodium sulfate 3%
Sodium lignin sulfonate 3%
White carbon 5%
Kaolin complements to 100%
Said components is mixed in proportion, and grind, pulverize, be prepared into wetting powder.
Embodiment 13 45% chlopyrifos+captan is extruded granule
Chlopyrifos 20%
Captan 25%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose 2%
Kaolin complements to 100%
Active component is mixed with auxiliary agent and grind the mixture water-wet.This mixture is extruded, dry in air stream then.
Embodiment 14 51% chlopyrifos+captan suspending agent
Chlopyrifos 1%
Captan 50%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Above-mentioned each component is mixed in proportion, and through sand milling, be prepared into suspending agent.
Embodiment 15 45% chlopyrifos+captan ZC
Atlox 4913 4%
Citric acid 0.05%
Catalyzer 0.1%
Water 13%
Chlopyrifos 10%
PAPI 1.35%
Solvesso 200 10%
Atlox4913 16%
Dispersant LFH 0.3%
Defoamer 0.16%
Urea 8.4%
Captan 35%
Water complements to 100%
With PAPI, the oil phase that chlopyrifos and Solvesso 100 form adds and contains in the aqueous solution of Atlox4913, forms emulsion.Heat then and be incubated 50
oAdded catalyst reaction 2 hours under the C.Obtain the microcapsules of chlopyrifos after the cooling.
Atlox 4913, dispersant LFH, and defoamer, urea, captan and water mix in proportion, and through sand milling, are prepared into suspending agent.
The microcapsules of the chlopyrifos that obtains is added in the aqueous suspension agent of captan, and stirring obtains 10% chlopyrifos+35% captan ZC.
Embodiment 16 25% chlopyrifos+captan SE
Chlopyrifos 10%
Captan 15%
Solvesso 200 30%
Ethoxylated castor oil 4%
Fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium 10%
MODIFIED LIGNOSULPHONATE 5%
Xanthans 1%
Bentonite 1%
Glycerine 5%
Water complements to 100%
Chlopyrifos is dissolved among the Solvesso 200, adds ethoxylated castor oil, obtain the missible oil of chlopyrifos;
With captan, fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoesters disodium, above-mentioned each component mixes in proportion, and through sand milling, is prepared into suspending agent.
The oil phase that will contain chlopyrifos joins in the suspending agent that contains captan, obtains suspended emulsion.
Test example 1
With 200-250 wireworm 2 instar larvaes impregnation process in being formulated as the soup of normal concentration, 25
oThe constant temperature of C was preserved 24 hours.The total number of wireworm (A) in microscopically investigation soup and in soup 15 seconds motionless individual number (B).In addition, for the check plot that replaces soup with distilled water, motionless individual number of investigation total individual number (A ') and 15 seconds (B ').Obtain motionless rate by such numerical value according to following formula.The results are shown in 1 Biao-the 5th table.
Motionless rate (%)=[1-{ (1-B/A)/(1-B '/A ')] X100
In addition, can calculate the theoretical value (%) of motionless rate by the cobly formula.
Motionless rate (%) is than under the high situation of theoretical value (%), and Pesticidal composition of the present invention has synergistic effect for preventing and kill off wireworm.(%) is shown in () of 1-table 5 simultaneously with the theoretical value under the same case.
The motionless rate (%) of table 1 wireworm
By in the table 1, the motionless rate of wireworm and comparison shows that of theoretical value, Pesticidal combination of the present invention has the effect of synergy for preventing and kill off wireworm.
Test example 2
Mixed soil 2: sand 1: saprophage soil 1 preparation test soil, the 200g soil of packing in each 300ml plastic container is mixed with chlopyrifos and/or captan with the concentration interpolation of stipulating.Put 10 mole crickets larva of hatching just in each container, after 25oC constant temperature left standstill, the soil that scatter was asked lethality behind the larva number of counting existence to dark down.
Lethality (%)={ 1-(existence a number/put a worm number) } X100
In addition, can calculate the theoretical value (%) of lethality by the cobly formula.Lethality (%) is than under the high situation of theoretical value (%), and Pesticidal composition of the present invention has synergistic effect for preventing and kill off the such pest of mole cricket.
In the scope of chlopyrifos: captan=1:20-20:1, the experimental value of lethality (%) has shown the value higher than theoretical value.
Experimental example 3
Mixed soil 3: sand 1: saprophage soil 1 preparation test soil, the 200g soil of packing in each 300ml plastic container is mixed with chlopyrifos and/or captan with the concentration interpolation of stipulating.Put 10 chafers larva (grub) of hatching just in each container, dark down 25
oAfter C constant temperature left standstill, the soil that scatter was asked lethality behind the larva number of counting existence.
Lethality (%)={ 1-(existence a number/put a worm number) } X100
In addition, can calculate the theoretical value (%) of lethality by the cobly formula.Lethality (%) is than under the high situation of theoretical value (%), and Pesticidal composition of the present invention has synergistic effect for preventing and kill off such pest.
In the scope of chlopyrifos: captan=1:10-10:1, the experimental value of lethality (%) has shown the value higher than theoretical value.
Experimental example 4
The chlopyrifos that also has normal concentration of preparation and/or the PSA medium of captan are poured in the 8cm culture dish, to cut into the medium that contains mycelia at rhizoctonia solani, sickle-like bacteria, pythium spp, the phytophthora that other medium is cultivated with the 6mm cork borer, be transplanted on the medium that contains medicament.25
oThe C thermostatic chamber was cultivated after 4-7 days, and the mycelia of measuring growth is long, asks mycelial growth inhibition rate.
Mycelial growth inhibition rate (%)={ 1-(the mycelial growth amount of the mycelial growth amount/non-processor in chemicals treatment district) } X100
In addition, can calculate the theoretical value (%) of mycelial growth inhibition rate by the cobly formula.Mycelial growth inhibition rate (%) is than under the high situation of theoretical value (%), and Pesticidal composition of the present invention has synergistic effect for preventing and kill off the disease bacterium.
In the scope of chlopyrifos: captan=1:1-1:10, the experimental value of mycelial growth inhibition rate has shown the value higher than theoretical value.
Test example 5
In the 1/1000a plastic basin, mix by behind the medicament of grub and sickle-like bacteria contaminated soil and ormal weight the seed of 7 cucumber of sowing.The sowing beginning in investigation cucumber fusarium axysporum diseased plant rate, was cut off the stem of 2-the 3rd internode of cucumber after 66 days, according to following standard the browning degree of conduit was carried out for 5 stages and estimated, and calculated killed index according to evaluation result.The result is at table
Provide in 2.In addition, test repeats with 3 times.
A: whole strain is withered
B: 2/3 above brown stain of conduit
C: 1/2 left and right sides brown stain of conduit
D: 1/3 following brown stain of conduit
E: conduit does not have brown stain
N: investigation strain number (being 7 under the situation of this test)
Killed index=(4A+3B+2C+1D)/4N}X100
Cucumber fusarium axysporum morbidity diseased plant rate
As seen from the above table, in the preventing iron test that is combined in compound disease according to chlopyrifos of the present invention and captan, compare with single agent, consumption is few, and is effective.
Claims (13)
1. a Pesticidal composition is characterized in that containing active ingredient insecticide chlopyrifos and bactericide captan.
2. a kind of Pesticidal composition according to claim 1, wherein chlopyrifos and captan weight proportion are 50:1-1:50 to it is characterized in that containing active ingredient insecticide chlopyrifos and bactericide captan.
3. a kind of Pesticidal composition according to claim 1 is characterized in that described composition death by poisoning tick and captan weight proportion are 1:20-20:1.
4. a kind of Pesticidal composition according to claim 1 is characterized in that. described composition also contains adjuvant except active ingredient, the quality percentage composition that active ingredient chlopyrifos and captan account in the composition is 5-80%.
5. a kind of Pesticidal composition according to claim 1 is characterized in that described combination dosage form is aqueous emulsion, water dispersible granules, missible oil, wetting powder, suspending agent, coated granule, extrudes granule, microcapsules, suspended emulsion.
6. the method for control of a pest is characterized in that acting on pest with chlopyrifos and captan as active ingredient.
7. the method for control of pest according to claim 6 has made above-mentioned chlopyrifos and captan act on pest simultaneously, or any acts on pest to make chlopyrifos compound and captan earlier, then makes another kind act on pest again.
8. according to the method for control of claim 6 or 7 described pests, make the ratio of chlopyrifos and captan count 1:50-50:1 by weight.
9. according to the method for control of wantonly 1 described pest of claim 6-8, the concentration that makes above-mentioned active ingredient is the 0.1-10000ppm effect.
10. according to the method for control of wantonly 1 described pest of claim 6-8, pest is the insect that lives in soil and/or the seed, the germ in soil and/or the seed.
11. according to the method for control of wantonly 1 described pest of claim 6-8, pest is that the insect that lives in soil and/or the seed is wireworm, mole cricket, grub, cutworm.
12. the method for control of pest according to claim 6, pest are that germ is rhizoctonia solani, sickle-like bacteria, pythium spp, phytophthora in soil and/or the seed.
13. the method for control of pest according to claim 12, it handles soil and/or seed with above-mentioned chlopyrifos and captan.
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| CN1909781A (en) * | 2004-01-23 | 2007-02-07 | 石原产业株式会社 | Noxious organism controlling composition and method for controlling the noxious organism |
| CN101703069A (en) * | 2009-11-10 | 2010-05-12 | 江苏龙灯化学有限公司 | Chlorpyrifos water dispersible composition and preparation method thereof |
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| CN1909781A (en) * | 2004-01-23 | 2007-02-07 | 石原产业株式会社 | Noxious organism controlling composition and method for controlling the noxious organism |
| CN101703069A (en) * | 2009-11-10 | 2010-05-12 | 江苏龙灯化学有限公司 | Chlorpyrifos water dispersible composition and preparation method thereof |
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