CN102365971B - Naked oat seed coating agent and preparation method thereof - Google Patents
Naked oat seed coating agent and preparation method thereof Download PDFInfo
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- CN102365971B CN102365971B CN201110371394.8A CN201110371394A CN102365971B CN 102365971 B CN102365971 B CN 102365971B CN 201110371394 A CN201110371394 A CN 201110371394A CN 102365971 B CN102365971 B CN 102365971B
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- agent
- tebuconazole
- dispersant
- diacloden
- film forming
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- 235000007317 Avena nuda Nutrition 0.000 title claims abstract description 15
- 240000007054 Avena nuda Species 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000011248 coating agent Substances 0.000 title abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 105
- PXMNMQRDXWABCY-UHFFFAOYSA-N 1-(4-chlorophenyl)-4,4-dimethyl-3-(1H-1,2,4-triazol-1-ylmethyl)pentan-3-ol Chemical compound C1=NC=NN1CC(O)(C(C)(C)C)CCC1=CC=C(Cl)C=C1 PXMNMQRDXWABCY-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000005839 Tebuconazole Substances 0.000 claims abstract description 39
- 239000002270 dispersing agent Substances 0.000 claims abstract description 28
- 239000000375 suspending agent Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- NWWZPOKUUAIXIW-DHZHZOJOSA-N (E)-thiamethoxam Chemical compound [O-][N+](=O)/N=C/1N(C)COCN\1CC1=CN=C(Cl)S1 NWWZPOKUUAIXIW-DHZHZOJOSA-N 0.000 claims description 33
- 239000000945 filler Substances 0.000 claims description 28
- 238000004040 coloring Methods 0.000 claims description 27
- 239000003755 preservative agent Substances 0.000 claims description 27
- 230000002335 preservative effect Effects 0.000 claims description 27
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 22
- -1 Nitrophenols ketone Chemical class 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000003814 drug Substances 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 14
- YYYARFHFWYKNLF-UHFFFAOYSA-N 4-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonic acid Chemical group CC1=CC(C)=CC=C1N=NC1=C(O)C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12 YYYARFHFWYKNLF-UHFFFAOYSA-N 0.000 claims description 10
- 229920001285 xanthan gum Polymers 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
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- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 239000001506 calcium phosphate Substances 0.000 claims description 6
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical group [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 6
- 229940078499 tricalcium phosphate Drugs 0.000 claims description 6
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims description 6
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 6
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical group [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 5
- JYIMWRSJCRRYNK-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical group O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4] JYIMWRSJCRRYNK-UHFFFAOYSA-N 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000011118 polyvinyl acetate Substances 0.000 claims description 5
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical group OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
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- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- LQJVOKWHGUAUHK-UHFFFAOYSA-L disodium 5-amino-4-hydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonate Chemical group [Na+].[Na+].OC1=C2C(N)=CC(S([O-])(=O)=O)=CC2=CC(S([O-])(=O)=O)=C1N=NC1=CC=CC=C1 LQJVOKWHGUAUHK-UHFFFAOYSA-L 0.000 claims description 3
- 230000001804 emulsifying effect Effects 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 235000019426 modified starch Nutrition 0.000 claims description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 3
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- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
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- 239000003086 colorant Substances 0.000 abstract 1
- NWWZPOKUUAIXIW-FLIBITNWSA-N thiamethoxam Chemical compound [O-][N+](=O)\N=C/1N(C)COCN\1CC1=CN=C(Cl)S1 NWWZPOKUUAIXIW-FLIBITNWSA-N 0.000 abstract 1
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- 241000238631 Hexapoda Species 0.000 description 3
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- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 2
- 239000004299 sodium benzoate Substances 0.000 description 2
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- DKZLNHQOAWHHDR-UHFFFAOYSA-N ClC=1SC(=CN1)CC1(CC(C(=O)O)=CC(=C1)C)C(=O)O Chemical compound ClC=1SC(=CN1)CC1(CC(C(=O)O)=CC(=C1)C)C(=O)O DKZLNHQOAWHHDR-UHFFFAOYSA-N 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a naked oat seed coating agent and a preparation method thereof. The invention belongs to the technical field of crop disease and pest controlling. The seed coating agent is prepared from components of, by weight: 15 to 20% of thiamethoxam, 0.05 to 0.1% of tebuconazole, 2 to 7% of a dispersant, 1 to 4% of an anti-caking agent, 1 to 6% of a suspending agent, 0.1 to 3% of a film forming agent, 1 to 10% of a filling material, 1 to 3% of an antiseptic, 3 to 5% of a coloring agent, and balance of water. The naked oat special coating agent is coated on oat seeds with an agent-to-seed ratio of 1:40-50. During an oat growing period, diseases and pests can be effectively controlled by the agent. The seed coating agent provides substantial controlling effects against oat red-leaf diseases caused by aphid-borne viruses, and seed-borne smuts. The seed coating agent has advantages of high efficiency, low toxicity, and convenient operation. With the seed coating agent, labor and time can both be saved.
Description
Technical field
The present invention relates to a kind of naked oat seed coating agent and preparation method thereof, belong to crop diseases and pest Prevention Technique field.
Background technology
Oat is grass family Avena annual herb plant, two kinds of point naked oat and skin oats.The oat of countries in the world cultivation, taking skin oat as main, is mainly used as forage grass; The oat of China's cultivation is taking naked oat as main, cry again maize, formal wheat, to eat as main, all there is distribution in NORTHWEST CHINA, North China, northeast and cloud, mountain area, plateau expensive, river, approximately 530,000 hectares of Annual planting areas, the wherein north and south, the Yinshan Mountains in the Inner Mongol, the Yinshan Mountains in Hebei province, Yanshan Mountain Yu Mai, the Taihang Mountain of Shanxi Province, Luliang Mountains, sowing area accounts for the more than 70% of the whole nation, next is Liu Pan Shan, Helan Mountain Area and Yunnan, the Guizhou in Shaanxi, Gansu, Ningxia, Qinghai, the large Xiaoliang Shan in Sichuan, and sowing area accounts for the more than 20% of national area.
Oat Red leaf disease and covered smut are two large diseases the most common on oat, and the loss that susceptible variety causes every year reaches 20-30%, and the serious time even has no harvest.Oat Red leaf disease is to pass by aphid a kind of virus disease that poison causes, can be by reducing generation and the severity of this disease of field early stage aphid amount control; Covered smut is kind of (soil) transmissibility systemic mycoses evil, can prevent and treat by medicament seed treatment.Mainly to be main by seed selection resistant variety and chemical control for the control of Oat Red leaf disease and smut both at home and abroad at present, do not having under the background of outstanding anti-source material, it is particularly important that chemical control seems, and chemical control is mainly also taking pesticide spray and seed dressing as main.In China, naked oat essentialspecies is implanted in remote, barren high and cold mountain area and two nether regions, dispenser operation is inconvenience very, not only time-consuming but also effort, most Oatplantings family does not does not generally prevent and treat, damage by disease and insect leave occur, so cause output not high, serious contusion peasant's plantation enthusiasm.
Seed coat agent is a kind of formulations of pesticide that formed by agricultural chemicals, micro-fertilizer, film forming agent, filler, relevant auxiliary combination, it is a kind of new seed processing technology, on the crops such as wheat, corn, cotton, beet, sunflower, Grass Seeds by Aerial Sowing, be used widely, remarkable to control soil insect and soil-borne disease effect, and time and labour saving, to compare pollution relative little with other pesticide application technology.
Summary of the invention
The object of the invention is to overcome existing Oat Red leaf disease and smut prevents and treats the defect of method, special seed coat agent of a kind of naked oat and preparation method thereof is provided, it is according to the occurrence characteristic of Oat Red leaf disease and smut, selecting targetedly Diacloden and Tebuconazole is active component, adopt corresponding suspension seed-coating agent processing technology to be prepared from, belong to a kind of water base property oat seed-dressing agent special.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of naked oat seed coating agent, the weight percent proportioning of its raw material is as follows: Diacloden 15～20%; Tebuconazole 0.05～0.1%; Dispersant 2～7%; Anticaking agent 1～4%; Suspending agent 1～6%; Film forming agent 0.1～3%; Filler 1～10%; Preservative 1～3%; Colouring agent 3～5%; Surplus is water.
Preferably, described Diacloden and Tebuconazole material content are more than 90%.
Described dispersant is selected from wherein one or more the combination of polyoxyethylene nonylphenol ether, OPEO, phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, polyoxyethylene alkylphenol ether.Described anticaking agent is selected from wherein one or more the combination of sodium silicoaluminate, tricalcium phosphate, silica.Described suspending agent is selected wherein one or more the combination of xanthans, white carbon, polyvinyl alcohol, sodium carboxymethylcellulose, Nitrophenols ketone.Described film forming agent is selected from wherein one or more the combination of polyvinyl alcohol, polyvinyl acetate, modified starch.Described filler is selected from kaolin, bentonite, concave convex rod ore deposit clay, diatomite, talcous one or more combination.Described preservative is technical grade formaldehyde, Sodium Benzoate or potassium sorbate.Described colouring agent is acid scarlet or Acid Red B.
One of active ingredient in the present invention's formula is Diacloden, molecular formula: C
8h
10clN
5o
3s, chemical name: 3-(2-chloro-1,3-thiazole-5-ylmethyl)-5-methyl isophthalic acid, 3,5-oxadiazines-4-base fork (nitro) amine, molecular weight: 291.71, adopted name: Thiamethoxam, sterling is white or pale yellow powder, 139.1 DEG C of fusing points, water soluble, 25 DEG C of about 4.1g/L of solvability in water.Diacloden is a kind of second generation nicotinoids high-efficient low toxicity insecticide of brand new, and insect is had stomach toxicity, tagged and systemic activity, fills with root and seed treatment for foliar spray, soil.After its dispenser, rapidly by interior suction, and be transmitted to the each position of plant, sucking pest, as aphid, plant hopper, leafhopper, aleyrodid etc. have good preventive effect, is had to good control action to the viroses of plant that caused by above-mentioned biography virus mediator.Utilize Diacloden to there is not yet report both at home and abroad as the seed coat agent active ingredient control early stage aphid of oat and red-leaf disease.
Two of active ingredient in the present invention's formula is Tebuconazole, molecular formula: C
16h
22clN
3o, chemical name: (RS)-1-(4-chlorphenyl)-4,4-dimethyl-3-(1H-1,2,4 triazol-1-yl methyl) penta-3-alcohol, molecular weight: 307.8, adopted name: Tebuconazole, sterling is clear crystal, 102.4 DEG C of fusing points, be slightly soluble in water, 25 DEG C of about 3.4mg/L of solvability in water.Tebuconazole belongs to triazole bactericidal agent; it is sterol demethylation inhibitor; there is protection, treat, root out three large functions; be for the seed treatment of Important Economic crop or the efficient germicide of foliage spray, can effectively prevent and treat multiple rust, powdery mildew, net blotch, root rot, head blight and the smut of cereal crop.Tebuconazole mainly contains as the seed coat agent product of active ingredient the 2% Tebuconazole wet-mixing agent that Bayer A.G produces at present, 6% Tebuconazole suspension seed-coating agent, the 2% Tebuconazole dry-powder seed coating agent that Jiangsu Hua Nong seed coat agent Co., Ltd produces, the 0.25% Tebuconazole suspension seed-coating agent that Putian, Fujian Province You Yuan Industrial Co., Ltd. produces, the 20% pyrrole penta tmtd suspension seed-coating agent that Bada Pesticide Co., Ltd., Jilin Province produces, Central Region, Henan seed development in science and technology Co., Ltd 10.6% penta azoles tmtd suspension seed-coating agents etc., controlling object is mainly loose smut of wheat, the bunt of wheat, wheat scab, maize head smut, Ustilago maydis, stripe disease of barley, bakanae disease of rice, rice seedling blight, rice sheath blight disease etc.Utilize Tebuconazole as seed coat agent active ingredient control oat covered smut, and the seed coat agent product of Tebuconazole and Diacloden compatibility there is not yet report both at home and abroad.
The preparation method of above-mentioned naked oat seed-dressing agent special is:
A. in high-shear emulsifying dispersion machine, the water that adds the Diacloden of metering and Original Tebuconazole, dispersant, anticaking agent, film forming agent, filler, preservative, colouring agent and supply by proportioning, is uniformly mixed;
B. by the mixed liquor of above-mentioned steps A homogenous disperse 10～50 minutes under vacuum tightness condition;
C. again the mixed liquor of above-mentioned steps B is added in cooling sand mill and ground 0.5～1.5 hour, finally add suspending agent, discharging after mixing and stirring.
Naked oat seed-dressing agent special of the present invention is a kind of magneta colour, the suspension liquid of being made up through techniques such as mixing, dispersion, sand millings of plurality of raw materials; Before oat sowing by the present invention according to the pesticide-seeds ratio dressing of oat seed 1:40～50 after, naturally after drying, can form medicine film on oat seed surface, by the interior suction of medicine and the conduction of plant, during Oat Growth, can be continual each tissue of arrival crop, thereby play the effect of controlling worm diseases prevention.Its active ingredient Diacloden and Tebuconazole are the pesticide species of high-efficiency low-toxicity low-residual, pass virogenetic Oat Red leaf disease and plant the control action of smut passing obvious to aphid, to the fringe phase, the control efficiency of aphid can reach 68.3～78.1%, can reach 70.4～80.0% to the control efficiency of red-leaf disease, can reach more than 96% the control efficiency of smut, effect of increasing production can reach 63.4～75.7%.Therefore, the technology of the present invention can effectively reduce spray medicine control number of times, reduces labor intensity, and has advantages of efficient, low toxicity, easy and simple to handle, saving of work and time.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
embodiment 1:
(1) by weight, take each raw material: Diacloden 15%, Tebuconazole 0.05%, dispersant 3%, anticaking agent 2%, suspending agent 1.5%, film forming agent 2%, filler 10%, preservative 1%, colouring agent 3%, water 60.45%.
Wherein, Diacloden and Tebuconazole are the former medicine of content 91%, dispersant is polyoxyethylene nonylphenol ether: polyoxyethylene alkylphenol ether=2:5, anticaking agent is tricalcium phosphate, suspending agent is xanthans, and film forming agent is polyvinyl alcohol, and filler is bentonite, preservative is Sodium Benzoate, and colouring agent is acid scarlet.
(2) powder materials such as former medicine, filler, colouring agent, anticaking agent are added in the homogenizer that water is housed and mixed after 30min, add successively the liquid charging stocks such as dispersant, film forming agent, preservative, then mix and disperse 10 minutes, form premix slurry.
(3) in the high-shear emulsifying dispersion machine extracting of premix slurry being arrived, fully emulsified, dispersion under condition airtight, that pressurize, make premix slurry more evenly, refinement, then this slurry is pumped in sand mill by pipeline and separate pump, grinds 2～3 times (0.5 hour) discharging afterwards.
(4) through sieving, obtain the flowable suspension liquid of magneta colour after packing, weigh, pack and get product.
embodiment 2:
By weight, take each raw material: Diacloden 20%, Tebuconazole 0.1%, dispersant 5%, anticaking agent 3.6%, suspending agent 2%, film forming agent 1.5%, filler 3%, preservative 1.5%, colouring agent 3%, water 60.3%.
Wherein, Diacloden and Tebuconazole are the former medicine of content 92%, dispersant is phenethyl phenol polyethenoxy ether, and anticaking agent is silica, and suspending agent is xanthans and Nitrophenols ketone, ratio is 4:1, film forming agent is polyvinyl acetate, and filler is kaolin and concave convex rod ore deposit clay, and ratio is 1:1, preservative is technical grade formaldehyde, and colouring agent is acid scarlet.
Prepare the method for seed coat agent with above-mentioned raw materials with embodiment 1, step (2) jitter time is 20 minutes, and step (3) milling time is 0.7 hour.
embodiment 3:
By weight, take each raw material: Diacloden 18%, Tebuconazole 0.07%, dispersant 2.4%, anticaking agent 2%, suspending agent 1.5%, film forming agent 2%, filler 7%, preservative 1 %, colouring agent 3.5%, water 62.53%.
Wherein, Diacloden and Tebuconazole are the former medicine of content 93%, and dispersant is polyoxyethylene alkylphenol ether, anticaking agent is sodium silicoaluminate, and suspending agent is xanthans, and film forming agent is polyvinyl alcohol, filler is concave convex rod ore deposit clay, and preservative is potassium sorbate, and colouring agent is Acid Red B.
Prepare the method for seed coat agent with above-mentioned raw materials with embodiment 1, step (2) jitter time is 30 minutes, and step (3) milling time is 0.9 hour.
embodiment 4:
By weight, take each raw material: Diacloden 17.5%, Tebuconazole 0.08%, dispersant 6%, anticaking agent 3%, suspending agent 3%, film forming agent 3%, filler 4%, preservative 3%, colouring agent 3%, water 57.42%.
Wherein, Diacloden and Tebuconazole are the former medicine of content 94%.Dispersant is polyoxyethylene nonylphenol ether and fatty alcohol-polyoxyethylene ether, ratio is 1:1, anticaking agent is tricalcium phosphate, suspending agent is white carbon and sodium carboxymethylcellulose, and mass ratio is 1:1, and film forming agent is modified starch, filler is diatomite and talcum powder, ratio is 1:2, and preservative is potassium sorbate, and colouring agent is acid scarlet.
Prepare the method for seed coat agent with above-mentioned raw materials with embodiment 1, step (2) jitter time is 40 minutes, and step (3) milling time is 1.1 hours.
embodiment 5:
By weight, take each raw material: Diacloden 20%, Tebuconazole 0.05%, dispersant 7%, anticaking agent 4%, suspending agent 3.5%, film forming agent 1%, filler 2%, preservative 1%, colouring agent 5%, water 56.45%.
Wherein, Diacloden and Tebuconazole are the former medicine of content 95%, and dispersant is polyoxyethylene nonylphenol ether and polyoxyethylene alkylphenol ether, mass ratio 2:1.Anticaking agent is tricalcium phosphate, and suspending agent is xanthans, and film forming agent is polyvinyl acetate, and filler is bentonite, and preservative is formaldehyde, and colouring agent is acid scarlet.
Prepare the method for seed coat agent with above-mentioned raw materials with embodiment 1, step (2) jitter time is 50 minutes, and step (3) milling time is 1.3 hours.
embodiment 6:
By weight, take each raw material: Diacloden 16%, Tebuconazole 0.1%, dispersant 5%, anticaking agent 4%, suspending agent 5%, film forming agent 1.5%, filler 1.8%, preservative 1%, colouring agent 4%, water 61.6%.
Wherein, Diacloden and Tebuconazole are the former medicine of content 96%, and dispersant is OPEO and polyoxyethylene alkylphenol ether, mass ratio 2:1, and anticaking agent is sodium silicoaluminate, suspending agent is xanthans and white carbon, mass ratio 1:2.Film forming agent is polyvinyl alcohol, and filler is bentonite and talcum powder, mass ratio 2:1, and preservative is formaldehyde, colouring agent is acid scarlet.
Prepare the method for seed coat agent with above-mentioned raw materials with embodiment 1, step (2) jitter time is 35 minutes, and step (3) milling time is 1.5 hours.
The finished product that above-mentioned 6 embodiment make all has that suspensibility is high, not stratified, dressing expulsion rate is low, the lasting period is long, control efficiency outstanding feature.
embodiment 7:
By the seed coat agent of above-described embodiment 1-6, on naked oat, use as follows:
First calculate the sowing quantity of wheat, according to the ratio of pesticide-seeds ratio 1:40, accurately taking above-mentioned 6 embodiment seed coat agents slowly pours on seed, limit bevelling stirs, then pack in plastic sack upper and lower vibration into for several times, with good conditionsily can use seed pelleting machine (specification is shown in concrete operations), after the seed after dressing is good dries in the shade under field conditions (factors), pack, for subsequent use.When sowing, according to local conventional seed planting mode, when operation, should wear the protective articles such as mouth mask, gloves, finish and wash one's hands in time afterwards.
Control efficiency is calculated: aphid (fringe phase) is calculated relative control effect with hundred strain aphid amounts of Cotton seeds and hundred strain aphid amounts of blank, red-leaf disease is calculated relative control effect according to the disease index of processing with the disease index contrasting, smut is calculated relative control effect according to the diseased plant rate of the diseased plant rate for the treatment of region and blank, and result of the test is as following table 1:
Conclusion: the seed coat agent that above-mentioned 6 embodiment make can reach 68.3～78.1% to the control efficiency of fringe phase aphid, can reach 70.4～80.0% to the control efficiency of red-leaf disease, can reach more than 96% the control efficiency of smut, effect of increasing production can reach 63.4～75.7%.
The foregoing is only explanation embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, within the spirit and principles in the present invention all; any amendment of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (2)
1. a naked oat seed-dressing agent special, is characterized in that, the weight percent proportioning of its raw material is as follows:
Diacloden 20%, Tebuconazole 0.1%, dispersant 5%, anticaking agent 3.6%, suspending agent 2%, film forming agent 1.5%, filler 3%, preservative 1.5%, colouring agent 3%, water 60.3%; Wherein, Diacloden and Tebuconazole are the former medicine of content 92%, dispersant is phenethyl phenol polyethenoxy ether, and anticaking agent is silica, and suspending agent is xanthans and Nitrophenols ketone, ratio is 4:1, film forming agent is polyvinyl acetate, and filler is kaolin and concave convex rod ore deposit clay, and ratio is 1:1, preservative is technical grade formaldehyde, and colouring agent is acid scarlet; Or
Diacloden 18%, Tebuconazole 0.07%, dispersant 2.4%, anticaking agent 2%, suspending agent 1.5%, film forming agent 2%, filler 7%, preservative 1 %, colouring agent 3.5%, water 62.53%; Wherein, Diacloden and Tebuconazole are the former medicine of content 93%, and dispersant is polyoxyethylene alkylphenol ether, anticaking agent is sodium silicoaluminate, and suspending agent is xanthans, and film forming agent is polyvinyl alcohol, filler is concave convex rod ore deposit clay, and preservative is potassium sorbate, and colouring agent is Acid Red B; Or
Diacloden 17.5%, Tebuconazole 0.08%, dispersant 6%, anticaking agent 3%, suspending agent 3%, film forming agent 3%, filler 4%, preservative 3%, colouring agent 3%, water 57.42%; Wherein, Diacloden and Tebuconazole are the former medicine of content 94%, and dispersant is polyoxyethylene nonylphenol ether and fatty alcohol-polyoxyethylene ether, and ratio is 1:1, anticaking agent is tricalcium phosphate, suspending agent is white carbon and sodium carboxymethylcellulose, and mass ratio is 1:1, and film forming agent is modified starch, filler is diatomite and talcum powder, ratio is 1:2, and preservative is potassium sorbate, and colouring agent is acid scarlet; Or
Diacloden 20%, Tebuconazole 0.05%, dispersant 7%, anticaking agent 4%, suspending agent 3.5%, film forming agent 1%, filler 2%, preservative 1%, colouring agent 5%, water 56.45%; Wherein, Diacloden and Tebuconazole are the former medicine of content 95%, dispersant is polyoxyethylene nonylphenol ether and polyoxyethylene alkylphenol ether, mass ratio 2:1, anticaking agent is tricalcium phosphate, suspending agent is xanthans, film forming agent is polyvinyl acetate, filler is bentonite, and preservative is formaldehyde, and colouring agent is acid scarlet; Or
Diacloden 16%, Tebuconazole 0.1%, dispersant 5%, anticaking agent 4%, suspending agent 5%, film forming agent 1.5%, filler 1.8%, preservative 1%, colouring agent 4%, water 61.6%; Wherein, Diacloden and Tebuconazole are the former medicine of content 96%, and dispersant is OPEO and polyoxyethylene alkylphenol ether, mass ratio 2:1, anticaking agent is sodium silicoaluminate, suspending agent is xanthans and white carbon, mass ratio 1:2, and film forming agent is polyvinyl alcohol, filler is bentonite and talcum powder, mass ratio 2:1, preservative is formaldehyde, colouring agent is acid scarlet.
2. the preparation method of naked oat seed-dressing agent special claimed in claim 1, is characterized in that, method is as follows:
A. in high-shear emulsifying dispersion machine, add Diacloden, Tebuconazole, dispersant, anticaking agent, film forming agent, filler, preservative, the colouring agent of metering and the water of supplying by proportioning, be uniformly mixed;
B. by the mixed liquor of above-mentioned steps A homogenous disperse 10～50 minutes under vacuum tightness condition;
C. again the mixed liquor of above-mentioned steps B is added in cooling sand mill and ground 0.5～1.5 hour, finally add suspending agent, discharging after mixing and stirring.
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| CN102765989A (en) * | 2012-07-27 | 2012-11-07 | 陕西西大华特科技实业有限公司 | Seed dressing agent containing thiamethoxam and tebuconazole |
| CN102976846B (en) * | 2012-11-26 | 2016-01-20 | 兰州世创生物科技有限公司 | A kind of compound botanical seed coat agent and preparation method thereof |
| CN104604925A (en) * | 2014-12-24 | 2015-05-13 | 陈燕婷 | Nicotine seed treatment agent composition |
| RU2603920C1 (en) * | 2015-07-20 | 2016-12-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверская государственная сельскохозяйственная академия" (ФГБОУ ВО Тверская ГСХА) | Method of dressing oat plants |
| JP5995340B1 (en) * | 2016-04-28 | 2016-09-21 | 住化農業資材株式会社 | Seed coating material |
| CN111937696A (en) * | 2020-08-27 | 2020-11-17 | 山西省农业科学院高寒区作物研究所 | Dry-land hulless oat high-yield planting method based on hulless oat biological characteristics |
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