CN103371142A - Powder preparation with diatomite as carrier and application method - Google Patents
Powder preparation with diatomite as carrier and application method Download PDFInfo
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- CN103371142A CN103371142A CN2012101052004A CN201210105200A CN103371142A CN 103371142 A CN103371142 A CN 103371142A CN 2012101052004 A CN2012101052004 A CN 2012101052004A CN 201210105200 A CN201210105200 A CN 201210105200A CN 103371142 A CN103371142 A CN 103371142A
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Abstract
The invention provides a powder preparation with diatomite as a carrier and an application method. The powder preparation is prepared by employing one or some pesticides or bactericides as effective constituents, employing diatomite as a main carrier, being added with a certain amount of auxiliaries, and being subjected to fluid energy milling to certain fineness. After being applied, the powder preparation has good suspension effects in air. Because of long suspension time, the powder preparation can be attached to positions where cannot be reached by spray application and the attached evenness on leaves is high. The powder preparation can be used for control of a plurality of diseases and insect pests of greenhouse vegetables and flowers. In field experiments, when the method is compared to traditional spray application methods, the powder preparation has better control effects on diseases and insect pests, and has beneficial effects of less dosage, high drug adsorption rate, simple technology, low cost and the like.
Description
Technical field:
The invention belongs to technical field of pesticide, relate to a kind of dust agent and using method thereof take diatomite as carrier.
Background technology:
Green house causes indoor damage by disease and insect to occur general and be difficult to prevent and treat because its environment is airtight, and the indoor steam of canopy can not in time be discharged.Traditional spray pesticide can further increase air humidity, is unfavorable for the control of disease.In the tradition dust agent research, generally take talcum or potter's clay as main material, the two aerial dispersiveness is relatively poor, the ejection poor effect.The fineness of preparation is relatively thick, only has few preparation to add auxiliary agent and does not generally add outward, and the auxiliary agent of interpolation is stabilizing agent and do not contain other auxiliary agent normally.The aerial suspension effect of preparation is relatively poor, and ejection effect and the tack of medicament on blade is bad.
Summary of the invention:
Dust agent of the present invention can have better suspension effect after it sprays in air, and more outstanding blade tack, thereby can better control efficiency be arranged to the hothouse plants damage by disease and insect.
One,
The prescription of dust agent of the present invention
A kind of dust agent take diatomite as main carriers, this dust agent is to be based upon on the basis of pulvis to invent, its active ingredient is selected from a kind of to multiple in fungicide, bactericide, insecticide, the miticide, carrier and auxiliary agent all are different from pulvis, carrier is as main take diatomite, the auxiliary agent kind is abundanter, comprises dispersant, wetting agent and stabilizing agent etc.Particular content is as follows:
1. active ingredient
Active ingredient of the present invention is not limited to certain compound, it can be a kind of bactericide, such as Difenoconazole, Flusilazole, nitrile bacterium azoles, dimethomorph, flumorph, the mould prestige of second, Propamocarb, frost urea cyanogen, Prochloraz, iprodione, dimethachlon, kresoxim-methyl, Fluoxastrobin, Boscalid, fluazinam, jinggangmeisu, thiophanate-methyl, the spirit of carbendazim Evil frost, metalaxyl, fosetyl aluminium, fenaminosulf, procymidone, phonetic mould amine, cyprodinil, tmtd, tpn etc., or the mixture of 2-3 kind bactericide wherein, also can be a kind of insecticide or miticide, such as Avermectin, fenbutatin oxide, Imidacloprid, diflubenzuron, pyridaben, dichlorvos, carbosulfan, Acetamiprid, fluorine pyridine urea, HEXAFLUMURON, gamma cyhalothrin, emamectin-benzoate, fenpropathrin, Aphox, propargite, Biphenthrin, cypermethrin, cyromazine, ethiprole, Diacloden, Hexythiazox, Buprofezin, the desinsection list, clofentezine, decis etc., or wherein 2-3 kind insecticide or acaricidal mixture, also can be bactericide and insecticide or acaricidal mixture.
2. carrier
The carrier of dust agent of the present invention is take diatomite as main, and namely its content surpasses 50%, also comprises a kind of to multiple in white carbon, kaolin, precipitated calcium carbonate, the potter's clay etc. in the carrier.
3. auxiliary agent of the present invention comprises wetting agent, dispersant, stabilizing agent etc.;
Wetting agent is selected from that tea is withered, a kind of to multiple in the Chinese honey locust, silkworm excrement, alkylsurfuric acid salt, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, neopelex, washing powder, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl benzene polyoxyethylene ether succinic acid sodium sulfonate, alkyl amide taurate, aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether etc.;
Dispersant is selected from a kind of to multiple in lignosulfite dry substance, lignosulfonates, alkylphenol polyoxyethylene, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, polyoxyethylene polyoxypropylene base ether block copolymers, alkylphenol-polyethenoxy phosphate, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, Sodium Polyacrylate, vinylpyrrolidone, polyethylene glycol, sodium phosphate trimer, the calgon etc.;
Stabilizing agent is selected from a kind of to multiple in ethylene oxide adduct ethers, triphenyl phosphite, mineral salt, benzene sulfonamide acid amide, organic amine, organic acid, alcohols, organic bases, antioxidant, the tall oil etc.
4. the percentage by weight proportioning of each material content of dust agent of the present invention is as follows:
Active ingredient: 0.1%-20%
Wetting agent: 0-5%
Dispersant: 0-5%
Stabilizing agent: 0-5%
Diatomite: 50%-80%
Other carriers: 5%-20%
Two,
The processing of dust agent of the present invention
The processing of dust agent of the present invention comprises three steps:
1. premixed
Active ingredient, carrier and auxiliary agent together added in the mixer mix.
2. air-flow crushing
Active ingredient, carrier and auxiliary agent that premix gets togather are pulverized processing with airslide disintegrating mill.
Smashing fineness requires at D90 less than 20 μ m, namely greater than 90% particle by 625 mesh sieves.
3. secondary mixes
Processing and packing was finished after the mixture of the active ingredient that air-flow crushing is good, carrier and auxiliary agent mixed with high-speed mixer.
The useful technique effect of invention:
The present invention compares than prior art and has the following advantages: dust agent of the present invention is take diatomite as main carriers, so that its ejection property is good, between powder agglomeration a little less than, and the fineness of dust agent is thinner, can reach good suspension effect after spraying in air, settling amount less than 50% after 30 minutes is adhered to inhomogeneous thereby can remedy traditional spray application method Chinese medicine at blade, and the blade overlay region can't accept the defective of medicament, and damage by disease and insect is had better preventive effect.
Add the auxiliary agents such as wetting agent, dispersant, stabilizing agent in the dust agent of the present invention, so that it can better adhere at blade surface, thereby bring into play better drug effect.
Embodiment:
Embodiment 1:5% dimethomorph dust agent, wherein the former medicine of dimethomorph accounts for 5% of gross weight, and the wetting agent lauryl sodium sulfate accounts for 2% of gross weight, and the dispersant sodium lignin sulfonate accounts for 5% of gross weight, diatomite accounts for 78% of gross weight, and white carbon accounts for 10% of gross weight.Through mixing, airslide disintegrating mill is pulverized and secondary mixes, and the dust agent fineness reaches D90=14.12, D50=9.28, D10=3.53.
Embodiment 2:5% dimethachlon dust agent, wherein the former medicine of dimethachlon accounts for 5% of gross weight, and the wetting agent sodium butylnaphthalenesulfonate accounts for 2% of gross weight, dispersant NNO accounts for 5% of gross weight, diatomite accounts for 78% of gross weight, and white carbon accounts for 5% of gross weight, and talcum accounts for 5% of gross weight.Pulverize and the secondary mixing through mixing, airslide disintegrating mill, the dust agent fineness reaches D90=15.01, D50=9.34, D10=3.54.
Embodiment 3:2% Difenoconazole azoles dust agent, wherein difenoconazole technical material accounts for 2% of gross weight, the wetting agent moon silanol base polyoxyethylene ether account for 2% of gross weight, diatomite accounts for 80% of gross weight, white carbon accounts for 5% of gross weight, and potter's clay accounts for 11% of gross weight.Pulverize and the secondary mixing through mixing, airslide disintegrating mill, the dust agent fineness reaches D90=14.44, D50=9.23, D10=3.56.
Embodiment 4:10% tpn dust agent, wherein the former medicine of tpn accounts for 10% of gross weight, and the wetting agent lauryl sodium sulfate accounts for 2% of gross weight, dispersant NNO accounts for 7% of gross weight, diatomite accounts for 50% of gross weight, and potter's clay accounts for 26% of gross weight, and white carbon accounts for 5% of gross weight.Pulverize and the secondary mixing through mixing, airslide disintegrating mill, the dust agent fineness reaches D90=17.28, D50=10.06, D10=5.26.
Embodiment 5:16% tpn carbendazim dust agent; its Central Plains medicine accounts for 16% of gross weight, and wetting agent N-methyl-N-oleoyl sodium taurocholate accounts for 3% of gross weight, and the dispersant sodium lignin sulfonate accounts for 2% of gross weight; diatomite accounts for 74% of gross weight, and white carbon accounts for 5% of gross weight.Pulverize and the secondary mixing through mixing, airslide disintegrating mill, the dust agent fineness reaches D90=12.98, D50=8.82, D10=3.02.
Embodiment 6:0.8% Imidacloprid dust agent, wherein the former medicine of Imidacloprid accounts for 0.8% of gross weight, and the wetting agent lauryl sodium sulfate accounts for 3% of gross weight, and dispersant NNO accounts for 5% of gross weight, and diatomite accounts for 83.2% of gross weight, and talcum accounts for 8% of gross weight.Pulverize and the secondary mixing through mixing, airslide disintegrating mill, the dust agent fineness reaches D90=14.43, D50=9.39, D10=3.56.
Embodiment 7:6% propargite dust agent, wherein the former medicine of capillary accounts for 6% of gross weight, and the wetting agent sodium butylnaphthalenesulfonate accounts for 2% of gross weight, and dispersant NNO accounts for 5% of gross weight, and the stabilizing agent citric acid accounts for 0.2% of gross weight.Diatomite accounts for 78.8% of gross weight, and precipitated calcium carbonate accounts for 8% of gross weight.Pulverize and the secondary mixing through mixing, airslide disintegrating mill, the dust agent fineness reaches D90=15.02, D50=9.98, D10=3.64.
Embodiment 8:0.3% Acetamiprid dust agent, wherein the former medicine of Acetamiprid accounts for 0.3% of gross weight, the wetting agent lauryl sodium sulfate accounts for 2% of gross weight, the dispersant sodium lignin sulfonate accounts for 6% of gross weight, the stabilizing agent citric acid accounts for 0.2% of gross weight, diatomite accounts for 80% of gross weight, and precipitated calcium carbonate accounts for 11.5% of gross weight.Pulverize and the secondary mixing through mixing, airslide disintegrating mill, the dust agent fineness reaches D90=14.45, D50=9.14, D10=3.62.
Above-mentioned preparation is carried out greenhouse test to verify its drug effect (table 1).Every kind of medicament is established 3 processing, chemicals treatment group, contrast medicament group and clear water control group.Each is processed 3 times and repeats.Chemicals treatment group formulation rate is 500g/ mu, and according to field recommendation dosage spray pesticide, the clear water control group sprays clear water to contrast medicament group with conventional dose.Dispenser was 1 time in per 7 days, and dispenser is 3 times altogether.
The bactericide test of pesticide effectiveness is carried out the investigation of state of an illness radix before the 1st dispenser, carried out the disease index investigation in 7 days after the 3rd dispenser, calculates control efficiency.
The insecticide test of pesticide effectiveness is carried out the radix investigation of worm source before the 1st dispenser, carried out residual worm amount investigation in 2 days after the 3rd dispenser, calculates control efficiency.
Disease index investigation standard and preventive effect are calculated:
0 grade, without scab;
1 grade, lesion area accounts for blade area below 5%;
3 grades, lesion area accounts for blade area 6%～25%;
5 grades, lesion area accounts for blade area 26%～50%;
7 grades, lesion area accounts for blade area 51%～75%;
9 grades, lesion area accounts for blade area more than 75%.
Result of the test shows (table 1), and the preventive effect that dust agent of the present invention is prevented and treated the greenhouse disease insect pest is higher than the preventive effect of traditional spray dispenser.And in the process of the test, reagent agent does not have the harmful effects such as poisoning to trial crops.
Each chemicals treatment of table 1 is to the control efficiency of different controlling objects
Claims (3)
1. dust agent take diatomite as main carriers is characterized in that for control chamber crop damage by disease and insect, described dust agent is to adopt the method that comprises the steps to prepare:
(1) takes by weighing by weight percentage pesticide activity component 0.1%-20%, dispersant 0-5%, wetting agent 0-5%, stabilizing agent 0-5%, diatomite 50%-80%, other carriers: 5%-20%;
(2) active ingredient, carrier, dispersant, wetting agent and stabilizing agent are together added in the mixer mix;
(3) active ingredient that premix is got togather, filler and auxiliary agent are pulverized processing with airslide disintegrating mill;
(4) mixture of the active ingredient that air-flow crushing is good, carrier and auxiliary agent mixes with high-speed mixer;
Described effect composition is selected from a kind of to multiple in bactericide, insecticide, the miticide;
Bactericide active ingredient comprises: Difenoconazole, Flusilazole, nitrile bacterium azoles, dimethomorph, flumorph, the mould prestige of second, Propamocarb, white urea cyanogen, Prochloraz, iprodione, dimethachlon, kresoxim-methyl, Fluoxastrobin, Boscalid, fluazinam, jinggangmeisu, thiophanate-methyl, the spirit of carbendazim, Evil frost, metalaxyl, fosetyl aluminium, fenaminosulf, procymidone, phonetic mould amine, cyprodinil, tmtd, tpn etc.;
Insecticide, miticide active ingredient comprise: Avermectin, fenbutatin oxide, Imidacloprid, diflubenzuron, pyridaben, dichlorvos, carbosulfan, Acetamiprid, fluorine pyridine urea, HEXAFLUMURON, gamma cyhalothrin, emamectin-benzoate, fenpropathrin, Aphox, propargite, Biphenthrin, cypermethrin, cyromazine, ethiprole, Diacloden, Hexythiazox, Buprofezin, desinsection list, clofentezine, decis etc.;
Described carrier is take diatomite as main, and namely its content surpasses 50%, also comprises a kind of to multiple in white carbon, kaolin, precipitated calcium carbonate, the potter's clay in the carrier;
Described wetting agent is selected from that tea is withered, a kind of to multiple in the Chinese honey locust, silkworm excrement, alkylsurfuric acid salt, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, neopelex, washing powder, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl benzene polyoxyethylene ether succinic acid sodium sulfonate, alkyl amide taurate, aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether etc.;
Described dispersant is selected from a kind of to multiple in lignosulfite dry substance, lignosulfonates, alkylphenol polyoxyethylene, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, polyoxyethylene polyoxypropylene base ether block copolymers, alkylphenol-polyethenoxy phosphate, carboxymethyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, Sodium Polyacrylate, vinylpyrrolidone, polyethylene glycol, sodium phosphate trimer, the calgon etc.;
Described stabilizing agent is selected from a kind of to multiple in ethylene oxide adduct ethers, triphenyl phosphite, mineral salt, benzene sulfonamide acid amide, organic amine, organic acid, alcohols, organic bases, surfactant, antioxidant, the tall oil etc.
2. dust agent as claimed in claim 1 is characterised in that: the fineness of this dust agent be D90 less than 20 μ m, D10 is greater than 2 μ m.
3. as claimed in claim 1, dust agent of the present invention is characterised in that it is mainly used in preventing and treating damage by disease and insect in the common greenhouse, and described disease comprises cucumber downy mildew, powdery mildew of cucumber, cucumber rod spore leaf spot, gray mold of cucumber, powdery mildew of strawberry, Botrytis cinerea, capsicum epidemic disease, tomato late blight, graw mold of tomato, cladosporium leaf and fruit mould of tomato, tomato bacterial disease etc.; Described insect pest comprises Trialeurodes vaporariorum Westwood, thrips, aphid, Liriomyza, mite etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012101052004A CN103371142A (en) | 2012-04-11 | 2012-04-11 | Powder preparation with diatomite as carrier and application method |
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| CN2012101052004A CN103371142A (en) | 2012-04-11 | 2012-04-11 | Powder preparation with diatomite as carrier and application method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104054702A (en) * | 2014-07-03 | 2014-09-24 | 泰安市泰山现代农业科技有限公司 | Pesticide carrier and application thereof |
| CN104705341A (en) * | 2013-12-12 | 2015-06-17 | 江苏省农业科学院 | Method utilizing diatomite to control whitefly |
| CN104872174A (en) * | 2015-04-16 | 2015-09-02 | 娄志 | Special pesticide for strawberries |
| CN106358853A (en) * | 2016-08-17 | 2017-02-01 | 山西省农业科学院植物保护研究院 | Method for preventing and treating diseases and pests of capsicum plant through root dipping in mixed chemical agent in field |
| CN107156126A (en) * | 2017-05-26 | 2017-09-15 | 全椒县香妃农业专业合作社 | A kind of pesticide powder and preparation method thereof |
| CN107960663A (en) * | 2017-11-24 | 2018-04-27 | 南通励成生物工程有限公司 | Carbonic acid calcium-nutrition intensifying agent and preparation method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104705341A (en) * | 2013-12-12 | 2015-06-17 | 江苏省农业科学院 | Method utilizing diatomite to control whitefly |
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| CN107156126A (en) * | 2017-05-26 | 2017-09-15 | 全椒县香妃农业专业合作社 | A kind of pesticide powder and preparation method thereof |
| CN107960663A (en) * | 2017-11-24 | 2018-04-27 | 南通励成生物工程有限公司 | Carbonic acid calcium-nutrition intensifying agent and preparation method |
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Application publication date: 20131030 |