CN101933519A - Wheat suspended seed coating - Google Patents
Wheat suspended seed coating Download PDFInfo
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- CN101933519A CN101933519A CN2010102767734A CN201010276773A CN101933519A CN 101933519 A CN101933519 A CN 101933519A CN 2010102767734 A CN2010102767734 A CN 2010102767734A CN 201010276773 A CN201010276773 A CN 201010276773A CN 101933519 A CN101933519 A CN 101933519A
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Abstract
The invention discloses a wheat suspended seed coating. The wheat suspended seed coating consists of the following components in percentage by weight: 1.5 to 7 percent of triadimenol, 10 to 35 percent of thiram, 0.8 to 2.5 percent of colloid dispersant, 1 to 3.5 percent of film forming agent, 0.8 to 3 percent of penetrating agent, 1.2 to 3.5 percent of emulsifying wetting suspension agent and the balance of water. The seed coating can effectively prevent and control wheat smut, rust disease and the like, enhance stress resistance, greatly improve the yield, increase the drug duration, indirectly reduce the use of medicaments and reduce environmental pollution.
Description
Technical field
The present invention relates to a kind of suspension seed-coating agent, particularly a grow wheat suspension seed-coating agent.
Background technology
On producing, because the surface of the seed or carry disease germs in inside, soil carries disease germs or soil in insect, muroid causes harm and birds are caused harm, or because the soil nutritional deficiency, the disease seedling usually appears behind the planting seed, scarce nest, the phenomenon of being short of seedling that weak seedling and insect pest etc. cause, the harm that the quarantine harmful organisms that causes great harm, particularly seed to carry to production causes is bigger.For this reason, people have summed up many seed processing technologies in production practices, the The Application of Technology of wherein soaking seed and dress seed causes harm to control sick worm in seedling stage and plays a good role, but because seed soaking and seed dressing effect are single, the drug effect phase is short, medicament comes off easily and causes environmental pollution, and storage tolerance etc. is former thereby allow use and be subjected to certain limitation after the seed treatment.Last century the '30s, Europe begins to carry out as bonding agent with flour, dextrin etc. the dressing research of crop seed, but make slow progress, to the sixties, the former Soviet Union at first proposes the notion of " planting the clothing agent ", promptly bactericide, agrochemical active principle and auxiliary aid is handled special-purpose formulation by being processed to form seed pelleting.Its use has improved the seed dressing and the existing disadvantage of soaking seed to a certain extent, has improved seed quality and scientific and technological content, prevents that effectively damage by disease and insect from forming large-area diffusion and trans-regional propagation with allocation and transportation, the popularization of seed.Along with the development of chemical industry technology such as macromolecular water-soluble compound, the research and development of novel film forming agent has further promoted the promotion and application of seed coating technology.Cenospecies clothing agent and be used to the emulsifiable concentrates for agricultural chemicals of soaking seed and dressing seed, pulvis, differences such as wetting powder, the agent of kind of clothing is to wrap on the seed immediately that film-forming is kind of a clothing, kind of clothing meets in soil that water imbibition is breathed freely and dissolved hardly, thereby seed is normally germinateed, materials such as agricultural chemicals and seed manure are slowly discharged, has the soil insect of killing, prevent seed-borne fungi and sprout term disease, promote the seedling healthy growth and development, improve crop quality, improve percentage of seedgermination, reduce seed and agricultural chemicals usage amount, improve functions such as output, reach the minimizing environmental pollution, the purpose that preventing disease pest control is kept a full stand of seedings.In addition, the use of planting the clothing agent had both guaranteed seed-pelleting, standardization, had also stopped the grain kind and had been regardless of, and prevented the circulation of fake and forged seed in the seed operation effectively.Thereby quickened the process of Seed Industrialization.
The wheat seed coating agent of present domestic use mainly contains: 12% good fortune ketone kind clothing agent, the sugar alcohol of good fortune more than 17% suspension seed-coating agent, 17% many good fortune of first suspension seed-coating agent, 18.5% suitable first willow suspension seed-coating agent, 2.5% when suitable happy suspension seed-coating agent, more than 17% restrain pure wheat seed coating agents and Garrick show etc.These wheat seed coating agents for prevent and treat wheat smut, the rust effect is undesirable, to promoting wheat growth, improving wheat seedling quality and anti-adversity ability does not have positive effect.Simultaneously, insecticide, bactericide such as carbofuran, tmtd etc. in the existing wheat suspension seed-coating agent all belong to high-toxic pesticide, and often a large amount of uses pollute the environment and endanger the person poultry safety.
Summary of the invention
The deficiency that the objective of the invention is to overcome wheat seed coating agent product toxicity height, control efficiency difference in the prior art provides a grow wheat suspension seed-coating agent.The agent of this kind clothing can effectively prevent and treat diseases such as wheat smut, rust, strengthens resistance, significantly improves output, and the medicine duration improves, and reduces drug use indirectly, reduces environmental pollution.
At foregoing invention purpose inventor following technical scheme has been proposed:
One grow wheat suspension seed-coating agent is made of the component of following weight percentage:
Triadimenol 1.5%-7%;
Tmtd 10%-35%;
Colloid dispersant 0.8%-2.5%;
Film forming agent 1%-3.5%;
Bleeding agent 0.8%-3%;
Emulsified wetting suspending agent 1.2%-3.5%;
The water of surplus;
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 formed by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is a phenethyl phenol polyoxy ethyl ether.Wherein the structural formula of the polymer of polyvinyl acetate and polyvinyl alcohol is
, the structural formula of the polymer of ethyl acrylate and vinyl acetate is
As preferably, the percentage by weight of described each component is:
Triadimenol 2%-5%;
Tmtd 14%-31%;
Colloid dispersant 1%-1.3%;
Film forming agent 1.5%-2%;
Bleeding agent 1.2%-2%;
Emulsified wetting suspending agent 1.8%-2.5%;
The water of surplus.
As optimal way, also include the antifreezing agent that percentage by weight is 4%-6%, described antifreezing agent is an ethylene glycol.
As optimal way, also include the diffusant that percentage by weight is 1%-2.3%, described diffusant is a naphthalene sulfonic acid formaldehyde polymer.
As optimal way, also include the viscosity stabiliser that percentage by weight is 0.05%-0.13%, described viscosity stabiliser is selected from one or both in butanols, the phenol.
As optimal way, also include the defoamer that percentage by weight is 0.1%-0.4%, described defoamer is a tributyl phosphate.
As optimal way, also including percentage by weight is the warning colouration dyestuff of 0.5%-0.7%, and described warning colouration dyestuff is an acid scarlet.
As optimal way, also including percentage by weight is the pH value conditioning agent of 1%-5%, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate.
As optimal way, also include the adhesive that percentage by weight is 0.2%-0.5%, described adhesive is a methylcellulose.
In order effectively to improve the control rate of kind of clothing agent to the wheat seedling stage diseases and pests, improve the medicine duration, improve wheat yield, the inventor has carried out exploring repeatedly in the invention process, reach and the existing kind of contrast of clothing agent on preventive effect, toxicity, cost at main diseases insect pests such as wheat smut, rust, obtain the main component of new formulation by test, determine the former medicine composition of prescription after, determine effective component ratio by the influence of indoor virulence, germination rate and seedling quality:
One, plants the screening of clothing agent active ingredient and content thereof.
1, the screening of active ingredient kind: choose its specific former medicine according to wheat smut, rust and soil insect, wherein bactericide original drug is 97% Triadimenol, 95% tmtd.
2, the screening of active constituent content: after determining kind of clothing agent active ingredient kind, the suspending agent that former medicine is mixed with variable concentrations is handled wheat seed, by the influence test of indoor virulence, germination rate and seedling quality, determines the content of chemical agent.
Two, plant the screening of clothing agent aid.
1, the screening of dispersant: multiple emulsifying dispersant is screened, choose the emulsifying dispersant that wherein shows dispersed preferably and coating uniformity.The dispersant that is suitable for can be the polymer of polymer, ethyl acrylate and the vinyl acetate of polyvinyl acetate and polyvinyl alcohol.
2, the screening of film forming agent: film forming agent is the key assistant that allows kind of clothing agent have good film forming and plant the clothing fastness, chooses to show the film forming agent of viscosity and heat storage, cold storage preferably.The film forming agent that is suitable for can be that weight ratio is polyvinyl acetate and the polyvinyl resin of 6:4.
3, antifreezing agent is selected: storing, freezing or crystallization in the transportation for prevention kind of a clothing agent, influence is used, and has elitely selected three kinds of antifreezing agents and tests.The result shows, adopts ethylene glycol, glycerine effect preferable, in conjunction with factors such as price and uses, selects ethylene glycol as antifreezing agent.
4, the screening of other auxiliary agents: choose suitable bleeding agent, emulsified wetting suspending agent, diffusant, viscosity stabiliser, defoamer, warning colouration, PH levelling agent, adhesive etc.
The present invention plants the clothing agent and adopts binary agricultural chemicals active principle composite, is intended to integrated control wheat seedling stage diseases and pests, overcomes pesticide resistance, guarantees that seedling is neat, seedling is complete, seedling is strong, can also promote to grow, and increases output, improves quality.Plant clothing agent dressing and can improve the planting seed quality, double infectious disease and the physiological disturbance controlled, dressing makes the big granulation of small-sized seed, pillization, saves sowing quantity; The present invention plants the clothing agent, and to be used for seed pelleting be hidden dispenser, greatly reduces the pollution of dispenser to environment.Common malicious index (CTC=136.97) according to this kind of co-toxicity result of calculation clothing agent prescription of composite dose shows that according to the co-toxicity basis of calculation its composite effect has obvious synergistic effect, and wheat emerged and grow has no side effect.Seed pelleting expulsion rate behind this wheat seed coating agent dressing is below 10%, and outward appearance is good, good quality of product.
Beneficial effect of the present invention is: suspension seed-coating agent of the present invention can effectively be prevented and treated diseases such as wheat smut, rust, strengthens resistance, significantly improves wheat yield, and the medicine duration improves, and reduces drug use indirectly, reduces environmental pollution.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
1: one grow wheat suspension seed-coating agent of embodiment is made of following component:
Triadimenol 1500 grams;
Tmtd 14000 grams;
Colloid dispersant 800 grams;
Film forming agent 1000 grams;
Bleeding agent 1200 grams;
Emulsified wetting suspending agent 1800 grams;
Water 71600 grams.
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 formed by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is a phenethyl phenol polyoxy ethyl ether.
Also including weight is the ethylene glycol of 4000 grams, weight is the naphthalene sulfonic acid formaldehyde polymer of 1000 grams, weight is the butanols of 100 grams, weight is the tributyl phosphate of 200 grams, weight is the acid scarlet of 600 grams, weight is the pH value conditioning agent of 2000 grams, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate, and weight is the methylcellulose of 200 grams.
Its production method is: 60%～70% of the water yield adds in the dosing chamber in will filling a prescription, and opens dosing chamber and stirs, and adds water-soluble substances, makes its whole dissolvings, adds emulsifier again and is uniformly dispersed.With the coarse granule solid material more than solid particle size 100 orders, drop into dosing chamber after adding the rough lapping of water wet method secondary.Again rest materials is all added in the dosing chamber.After treating that all materials are uniformly dispersed substantially in the dosing chamber, open sand mill, material recirculation system sand in dosing chamber and circulating pool is milled to few 4 times.Carry out the pH value before the discharging and regulate, observe range of viscosities, the back discharging meets the requirements.
2: one grow wheat suspension seed-coating agents of embodiment are made of following component:
Triadimenol 200 grams;
Tmtd 3100 grams;
Colloid dispersant 130 grams;
Film forming agent 200 grams;
Bleeding agent 80 grams;
Emulsified wetting suspending agent 120 grams;
Water 5102 grams.
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 formed by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is a phenethyl phenol polyoxy ethyl ether.
Also including weight is the ethylene glycol of 500 grams, weight is the naphthalene sulfonic acid formaldehyde polymer of 150 grams, weight is the butanols of 8 grams, weight is the tributyl phosphate of 30 grams, weight is the acid scarlet of 50 grams, weight is the pH value conditioning agent of 300 grams, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate, and weight is the methylcellulose of 30 grams.
Its production method is with embodiment 1.
3: one grow wheat suspension seed-coating agents of embodiment are made of following component:
Triadimenol 2500 grams;
Tmtd 17500 grams;
Colloid dispersant 500 grams;
Film forming agent 750 grams;
Bleeding agent 1000 grams;
Emulsified wetting suspending agent 1250 grams;
Water 21175 grams.
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 formed by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is a phenethyl phenol polyoxy ethyl ether.
Also including weight is the ethylene glycol of 3000 grams, weight is the naphthalene sulfonic acid formaldehyde polymer of 1150 grams, weight is the butanols of 25 grams, weight is the tributyl phosphate of 50 grams, weight is the acid scarlet of 350 grams, weight is the pH value conditioning agent of 500 grams, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate, and weight is the methylcellulose of 250 grams.
Its production method is with embodiment 1.
4: one grow wheat suspension seed-coating agents of embodiment are made of following component:
Triadimenol 150 grams;
Tmtd 1050 grams;
Colloid dispersant 100 grams;
Film forming agent 175 grams;
Bleeding agent 150 grams;
Emulsified wetting suspending agent 175 grams;
Water 2496 grams.
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 formed by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is a phenethyl phenol polyoxy ethyl ether.
Also including weight is the ethylene glycol of 275 grams, weight is the naphthalene sulfonic acid formaldehyde polymer of 100 grams, weight is the butanols of 6.5 grams, weight is the tributyl phosphate of 20 grams, weight is the acid scarlet of 32.5 grams, weight is the pH value conditioning agent of 250 grams, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate, and weight is the methylcellulose of 20 grams.
Its production method is with embodiment 1.
5: one grow wheat suspension seed-coating agents of embodiment are made of following component:
Triadimenol 350 grams;
Tmtd 500 grams;
Colloid dispersant 125 grams;
Film forming agent 125 grams;
Bleeding agent 115 grams;
Emulsified wetting suspending agent 100 grams;
Water 3091.5 grams.
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 formed by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is a phenethyl phenol polyoxy ethyl ether.
Also including weight is the ethylene glycol of 250 grams, weight is the naphthalene sulfonic acid formaldehyde polymer of 85 grams, weight is the butanols of 3.5 grams, weight is the tributyl phosphate of 12.5 grams, weight is the acid scarlet of 30 grams, weight is the pH value conditioning agent of 200 grams, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate, and weight is the methylcellulose of 12.5 grams.
Its production method is with embodiment 1.
We have carried out preventing and treating the wheat rust field trial to suspension seed-coating agent of the present invention, and the experiment concrete condition is as follows:
1, trial crops and object: testing used wheat breed is river wheat 68, and controlling object is a stripe rust of wheat.
2, overview experimental field: experimental field be positioned at An Hong township, Songpan County, Sichuan Province one long-term stripe rust of wheat and more serious plot takes place carry out.Soil is sandy loam, fertile soil, during the content of organic matter is, and land readjustment; Carry out dressing and sowing according to kind of the using method of clothing agent, do not use other medicaments at duration of test.Adopt artificial drilling during sowing, every sub-district is quantitatively sowed, and every sub-district is with planting 0.75 kilogram, Routine Management.Every processing simultaneously selects 100 seeds to sow separately, observes emergence rate.
3, experiment is handled:
Suspension seed-coating agent of the present invention among test medicine: the embodiment 4; Behind the 1:2 thin up, by pharmacopoeia mass ratio 1; 50 bags are planted.
Contrast medicament: 57% good fortune amylalcohol dry-powder seed coating agent; After pressing the 1:7 thin up, plant by pharmacopoeia mass ratio 1:50 bag; The 2% Garrick show seed dressing that wets; Press the seed dressing of 150g/100Kg seed.
Blank: not dispenser.
The sub-district is provided with: 4 repetitions are tested according to district's group arrangement at random in the sub-district, sub-district area 30 ㎡, and the 30cm guard row is stayed in the minizone, establishes the 40cm guard row all around.
Investigation method: every processing selects 100 seeds to sow separately, looks into emergence rate; The preventive effect investigation: 5 diagonal samplings, all diseased plant numbers of note are looked in every some investigation 20 strains; After blank is emerged, investigation emerge situation and plant growing way, when obvious symptom appears in contrast, the investigation preventive effect.Calculate mean and preventive effect with diseased plant rate.
Experimental result is as follows: as shown in table 1,1, the influence to emerging: emerged neatly in each sub-district in after planting 7 days, and growth is normal.It is 83.5% that the present invention plants clothing agent capsuled seed emergence rate, suitable substantially with 2% Garrick show emergence rate with contrast medicament 57% good fortune amylalcohol dry-powder seed coating agent a little more than contrast, and all wheat being emerged does not have obviously influence.2, to the preventive effect of stripe rust of wheat: field observation to the morbidity of blank district wheat early, morbidity is heavy.Investigation result, the seed diseased plant rate that the present invention plants clothing agent processing is 4.3%, is starkly lower than contrast diseased plant rate 33.3%.With the contrast medicament relatively, the present invention plants the clothing agent preventive effect of stripe rust of wheat is higher than 57% good fortune amylalcohol and 2% Garrick show kind clothing agent.Through the preventive effect statistics, 24% azoles alcohol tmtd suspension seed-coating agent has good control efficiency to stripe rust of wheat, and wheat is emerged and the obviously influence of nothing of growing, and can be used for preventing and treating stripe rust of wheat.
Table 1 is prevented and treated the stripe rust of wheat result of the test
Annotate: above data are 4 times and repeat mean value.
As can be seen from the test results, the present invention plants the clothing agent can effectively prevent and treat wheat rust, strengthens resistance.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (9)
1. a grow wheat suspension seed-coating agent is characterized in that, is made of the component of following weight percentage:
Triadimenol 1.5%-7%;
Tmtd 10%-35%;
Colloid dispersant 0.8%-2.5%;
Film forming agent 1%-3.5%;
Bleeding agent 0.8%-3%;
Emulsified wetting suspending agent 1.2%-3.5%;
The water of surplus;
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 formed by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is a phenethyl phenol polyoxy ethyl ether.
2. a grow wheat suspension seed-coating agent as claimed in claim 1, it is characterized in that: the percentage by weight of described each component is:
Triadimenol 2%-5%;
Tmtd 14%-31%;
Colloid dispersant 1%-1.3%;
Film forming agent 1.5%-2%;
Bleeding agent 1.2%-2%;
Emulsified wetting suspending agent 1.8%-2.5%;
The water of surplus.
3. a grow wheat suspension seed-coating agent as claimed in claim 1 or 2 is characterized in that: also include the antifreezing agent that percentage by weight is 4%-6%, described antifreezing agent is an ethylene glycol.
4. a grow wheat suspension seed-coating agent as claimed in claim 1 or 2 is characterized in that: also include the diffusant that percentage by weight is 1%-2.3%, described diffusant is a naphthalene sulfonic acid formaldehyde polymer.
5. a grow wheat suspension seed-coating agent as claimed in claim 1 or 2 is characterized in that: also include the viscosity stabiliser that percentage by weight is 0.05%-0.13%, described viscosity stabiliser is selected from one or both in butanols, the phenol.
6. a grow wheat suspension seed-coating agent as claimed in claim 1 or 2 is characterized in that: also include the defoamer that percentage by weight is 0.1%-0.4%, described defoamer is a tributyl phosphate.
7. a grow wheat suspension seed-coating agent as claimed in claim 1 or 2 is characterized in that: also including percentage by weight is the warning colouration dyestuff of 0.5%-0.7%, and described warning colouration dyestuff is an acid scarlet.
8. a grow wheat suspension seed-coating agent as claimed in claim 1 or 2 is characterized in that: also including percentage by weight is the pH value conditioning agent of 1%-5%, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate.
9. a grow wheat suspension seed-coating agent as claimed in claim 1 or 2 is characterized in that: also include the adhesive that percentage by weight is 0.2%-0.5%, described adhesive is a methylcellulose.
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| CN2010102767734A CN101933519A (en) | 2010-09-09 | 2010-09-09 | Wheat suspended seed coating |
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| CN2010102767734A CN101933519A (en) | 2010-09-09 | 2010-09-09 | Wheat suspended seed coating |
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| CN101933519A true CN101933519A (en) | 2011-01-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102696648A (en) * | 2012-04-23 | 2012-10-03 | 广东中迅农科股份有限公司 | Pesticidal composition comprising prothioconazole and thiram |
| CN104478599A (en) * | 2014-12-15 | 2015-04-01 | 山东绿神肥业有限公司 | Special insecticide fertilizer for winter wheat and production method of insecticide fertilizer |
| CN104876674A (en) * | 2014-10-18 | 2015-09-02 | 颍上县永祥旱粮研究所 | Wheat seed coating agent |
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| CN1416701A (en) * | 2001-11-07 | 2003-05-14 | 山东华阳科技股份有限公司 | Wide-spectrum bactericide |
| CN101044852A (en) * | 2006-03-29 | 2007-10-03 | 河北省农林科学院植物保护研究所 | Compound bactericidal agent for prevention and control of wheat fungi diseases, and its application |
| CN101209010A (en) * | 2006-12-29 | 2008-07-02 | 河南农业大学 | Integrated control method for wheat black point |
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| CN1416701A (en) * | 2001-11-07 | 2003-05-14 | 山东华阳科技股份有限公司 | Wide-spectrum bactericide |
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| CN102696648A (en) * | 2012-04-23 | 2012-10-03 | 广东中迅农科股份有限公司 | Pesticidal composition comprising prothioconazole and thiram |
| CN104876674A (en) * | 2014-10-18 | 2015-09-02 | 颍上县永祥旱粮研究所 | Wheat seed coating agent |
| CN104478599A (en) * | 2014-12-15 | 2015-04-01 | 山东绿神肥业有限公司 | Special insecticide fertilizer for winter wheat and production method of insecticide fertilizer |
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Application publication date: 20110105 |