CN105165825A - Coating agent reinforcing agent and preparation method and application thereof - Google Patents
Coating agent reinforcing agent and preparation method and application thereof Download PDFInfo
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- CN105165825A CN105165825A CN201510603988.5A CN201510603988A CN105165825A CN 105165825 A CN105165825 A CN 105165825A CN 201510603988 A CN201510603988 A CN 201510603988A CN 105165825 A CN105165825 A CN 105165825A
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- attapulgite
- reinforcing agent
- seed coating
- zeolite
- coating medicine
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Abstract
The invention relates to a coating agent reinforcing agent. The coating agent reinforcing agent is prepared from, compound particles of zeolite and attapulgite, chitosan, oligosaccharide, abscisic acid and polyvinyl alcohol, wherein the compound particles formed by the zeolite and the attapulgite are subjected to ammonia water treatment and high-energy electron beam irradiation. The coating agent reinforcing agent can improve the adhesion ability of a coating agent on crop seeds, reduce loss of effective components of the coating agent during storage or after sowing and improve the water retention performance of the crop seeds.
Description
Technical field
The present invention generally relates to agricultural formulations field, is specifically related to a kind of seed coating medicine reinforcing agent and preparation method thereof and application.
Background technology
In order to suppress damage by disease and insect, promoting that crop germinates, usually needing to carry out Cotton seeds before various crop sowing.Tradition seed coating medicine mainly comprises the compositions such as nitrogen, phosphorus, potassium, agricultural chemicals, plant hormone, if deposit a period of time after Cotton seeds seed just to sow, seed coating medicine on seed easily peels off or runs off under wind, Exposure to Sunlight, drench with rain etc. acts on, and then affects the growth result of after planting crop.And adhesive force is low, water retention property is weak problem that traditional seed coating medicine also exists, after planting the active ingredient of seed coating medicine in soil because the effect such as seepage, runoff or volatilization can be shifted in environment towards periphery, easily run off gradually, reduce availability, some composition also pollutes the environment, therefore, how to reduce seed coating medicine and to peel off when depositing and active ingredient after planting runs off, strengthen and extend the difficult problem that coating effect becomes the production of current seed coating medicine.
Summary of the invention
The invention provides a kind of seed coating medicine reinforcing agent and preparation method thereof and application, the crop seed seed coating medicine when depositing solved in prior art after Cotton seeds easily peels off or runs off and the after planting problem that easily runs off in soil of seed coating medicine active ingredient.
One aspect of the present invention, a kind of seed coating medicine reinforcing agent is provided, comprise: the composite particles of zeolite and attapulgite, shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol, the composite particles that described zeolite and attapulgite are formed is through ammonia treatment and high-energy electron beam irradiation.
In technique scheme, the mass ratio of the composite particles of described zeolite and attapulgite, shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol is (4000 ~ 7000): (200 ~ 500): (100 ~ 200): (1 ~ 2): (100 ~ 200).
In technique scheme, the composite particles size of described zeolite and attapulgite is 300-600 order.
In technique scheme, the composite particles mesolite of described zeolite and attapulgite and the mass ratio of attapulgite are (2 ~ 5): (4 ~ 7).
Another aspect of the present invention, provide a kind of preparation method of seed coating medicine reinforcing agent, described reinforcing agent is prepared by the following method:
(1), by zeolite mix with attapulgite particle, then add water and be mixed with the suspension of 10-50g/L;
(2), in described suspension, add ammoniacal liquor and stir;
(3), utilize high-power electron beam to carry out irradiation to suspension, then drying and crushing forms the composite particles of zeolite and attapulgite;
(4), the composite particles that obtains in step (3) mixes evenly with shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol, namely obtains described seed coating medicine reinforcing agent.
In technique scheme, described zeolite granular and described attapulgite particle are colloid, and two kinds of particle sizes are 300 ~ 600 orders.
In technique scheme, the concentration 10ml/L of described ammoniacal liquor, with suspension mix and blend 5 ~ 10 minutes under 30 ~ 60 degrees celsius, mixing speed 100 ~ 200rpm.
In technique scheme, the irradiation energy of described high-power electron beam is 1 ~ 10MeV, and irradiation dose is 10 ~ 40kGy, and exposure time is 1 ~ 5 minute.
In technique scheme, the mass ratio of the composite particles of described zeolite and attapulgite, shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol is (4000 ~ 7000): (200 ~ 500): (100 ~ 200): (1 ~ 2): (100 ~ 200).
Another aspect of the present invention, additionally provides the application method of above arbitrary described seed coating medicine reinforcing agent, and described dressing synergist evenly adds in ordinary coating agent use according to the mass ratio of 5 ~ 10%.
Seed coating medicine reinforcing agent mesolite of the present invention and attapulgite, as carrier, fix shitosan, oligosaccharides, S-inducer isoreactivity composition in the main component of seed coating medicine and reinforcing agent by the nanometer micropore efficient adsorption comprised in the nano-scale of their self particles and particle.Pass into ammoniacal liquor and make zeolite and attapulgite's surface amination, strengthen its absorption crystallized ability to nitrogen, phosphorus, potassium, agricultural chemicals, plant hormone, shitosan, oligosaccharides, S-inducer etc.Zeolite or attapulgite aggregate dissociate by high-energy electron beam irradiation, improve the dispersiveness of zeolite or attapulgite, more surface site is come out, improves the contact area of zeolite and attapulgite and seed coating medicine and shitosan, oligosaccharides and S-inducer, thus improve its absorption fixation.Shitosan has water retention, and it contains a large amount of hydrophilic radical (-NH
2with-OH), hydrogen bond action can be formed with-the OH of zeolite and attapulgite's surface and Si-O-Si, thus sepiolite and attapulgite's surface can be combined in, can budding be promoted; Oligosaccharides and S-abscisic acid can strengthen crop immunity, improve disease resistance; Polyvinyl alcohol can improve the hydrophily of seed coating medicine, thus strengthens its adhesive force, avoids after planting seed coating medicine active ingredient to run off.
Embodiment
Below in conjunction with embodiment, the present invention is further described in detail, the embodiment provided only in order to illustrate the present invention, instead of in order to limit the scope of the invention.
Experimental technique in following embodiment, if no special instructions, is conventional method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
The problem that when embodiment 1 seed coating medicine reinforcing agent is deposited after reducing Cotton seeds, active ingredient runs off
Being prepared as follows of the dressing synergist that the present embodiment uses:
1, zeolite (400 order) and attapulgite (colloid, 400 orders) are mixed according to the mass ratio of 2:5, then being added water by this mixture is configured to the suspension that concentration is 20g/L;
2, add ammoniacal liquor (8ml/L) in the suspension obtained in (1), and stir (120rpm) 60 minutes under 40 degrees Celsius;
3, high-power electron beam (2MeV, 15kGy) is utilized to carry out irradiation 2 minutes to suspension, then drying and crushing to 400 order;
60%), oligosaccharides (Glucosamine: 95% 4, by the compound that obtains in (3) and shitosan (deacetylation:, amino-oligosacchride 3%), S-abscisic acid (ABA:0.06%, indolebutyric acid: 0.9%), polyvinyl alcohol mixes according to the mass ratio of 4000:200:100:1:100, is seed coating medicine synergist.
Experimental group: by the reinforcing agent of the present embodiment according to 6% mass ratio add corn coating agent (urea: chlopyrifos=90:1 (weight ratio) to, its Chlorpyrifos is that Zhejiang Xinnong Chemical Co., Ltd produces, and purity is 98.5%) middle dressing.After dressing, average measuring and calculating shows, every independent corn is 280mg, and seed coating medicine (not comprising synergist) is 5.6mg, moisture 0.56mg in seed coating medicine, and containing urea 4.984mg, containing chlopyrifos 0.056mg in seed coating medicine in seed coating medicine, synergist is 0.336mg.
Control group: do not add reinforcing agent of the present invention, only use corn coating agent (urea: chlopyrifos=9:1 (weight ratio), its Chlorpyrifos is that Zhejiang Xinnong Chemical Co., Ltd produces, and purity is 98.5%) to corn seed dressing.After dressing, average measuring and calculating shows, every independent corn is 280mg, and seed coating medicine is 5.6mg, moisture 0.56mg in seed coating medicine, containing urea 4.984mg, containing chlopyrifos 0.056mg in seed coating medicine in seed coating medicine.
Corn after dressing under 20-30 degree Celsius after outdoor placement 24h, measures the content of urea wherein and chlopyrifos.
The assay method of urea is by soluble in water for seed coat agent reinforcing agent remaining on corn seed, then according to colorimetric method for determining, result show experimental group on average in every corn coating agent urea content be 4.1mg, control group on average in every corn coating agent urea content be 3.56mg.
Poison the assay method of barnyard grass with poison for be dissolved in benzinum by seed coating medicine, then absorbance method is utilized to measure, result show experimental group on average every corn coating agent Chlorpyrifos content be 0.041mg, control group on average every corn coating agent Chlorpyrifos content is 0.035mg.
In seed coating medicine urea and poison barnyard grass with poison content respectively than contrast raising 15% and 17.1%, this illustrates that reinforcing agent of the present invention effectively can reduce the loss of seed coating medicine active ingredient when depositing.
Moisture in seed coating medicine on corn seed is measured according to weight method, result show experimental group on average in every corn coating agent moisture be 0.32mg, control group on average in every corn coating agent moisture be 0.29mg.This illustrates that the water content of the seed coating medicine adding reinforcing agent is higher by 10.3% than contrast, enhances the water retention capacity of seed coating medicine.
The WEIGHT RATIO Comparative of the seed coating medicine come off reduces by 6.7% (processed group is 0.49mg, and control group is 0.53mg), and this illustrates that synergist effectively can improve the adhesive ability of seed coating medicine.
Embodiment 2 seed coating medicine reinforcing agent is extending the effect of seed coating medicine lasting period
Being prepared as follows of the dressing synergist that the present embodiment uses:
1, zeolite (500 order) and attapulgite (colloid, 500 orders) are mixed according to the mass ratio of 3:7, then being added water by this mixture is configured to the suspension that concentration is 40g/L;
2, add ammoniacal liquor (10ml/L) in the suspension obtained in (1), and stir (170rpm) 8 minutes under 50 degrees Celsius;
3, high-power electron beam (8MeV, 40kGy) is utilized to carry out irradiation 5 minutes to suspension, then drying and crushing to 500 order;
90%), oligosaccharides (Glucosamine: 95% 4, by the compound that obtains in (3) and shitosan (deacetylation:, amino-oligosacchride 3%), S-abscisic acid (ABA:0.06%, indolebutyric acid: 0.9%), polyvinyl alcohol mixes according to the mass ratio of 6000:500:200:2:100, is seed coating medicine synergist.
Experimental group: by the reinforcing agent of the present embodiment according to 10% mass ratio add corn coating agent (urea: chlopyrifos=9:1 (weight ratio) to, its Chlorpyrifos is that Zhejiang Xinnong Chemical Co., Ltd produces, and purity is 98.5%)) middle dressing.After dressing, average measuring and calculating shows, every independent corn is 280mg, and seed coating medicine (not comprising synergist) is 5.6mg, moisture 0.56mg in seed coating medicine, and containing urea 4.984mg, containing chlopyrifos 0.056mg in seed coating medicine in seed coating medicine, synergist is 0.56mg.
Control group: do not add reinforcing agent of the present invention, only use corn coating agent (urea: chlopyrifos=9:1 (weight ratio), its Chlorpyrifos is that Zhejiang Xinnong Chemical Co., Ltd produces, and purity is 98.5%)) to corn seed dressing.After dressing, average measuring and calculating shows, every independent corn is 280mg, and seed coating medicine is 5.6mg, moisture 0.56mg in seed coating medicine, containing urea 4.984mg, containing chlopyrifos 0.056mg in seed coating medicine in seed coating medicine.
After planting detect urea and chlopyrifos content (detection method is the same) in corn coating agent, the half life period (time that content reduces by half) that result shows urea and chlopyrifos in the seed coating medicine of interpolation reinforcing agent, than contrast raising 15.4%, (the processed group half life period was 7 days respectively, control group is 6.06 days) and 17.2% (the processed group half life period is 6 days, control group is 5.12 days), this illustrates that synergist effectively can extend the lasting period of seed coating medicine.
Embodiment 3 seed coating medicine reinforcing agent is improving the effect in corn emergence rate
Experimental group: by the reinforcing agent of the present embodiment according to 10% mass ratio add corn coating agent (urea: chlopyrifos=9:1 (weight ratio) to, its Chlorpyrifos is that Zhejiang Xinnong Chemical Co., Ltd produces, and purity is 98.5%) middle dressing.
Control group: do not add reinforcing agent of the present invention, only use corn coating agent (urea: chlopyrifos=9:1 (weight ratio), its Chlorpyrifos is that Zhejiang Xinnong Chemical Co., Ltd produces, and purity is 98.5%) to corn seed dressing.
Sowing calculates the emergence rate of corn for 15 days afterwards, and the emergence rate of experimental group corn is 93%, and the emergence rate of control group corn is 83.56%.
Visible, the seed coating medicine adding synergist makes the emergence rate of corn comparatively contrast raising 11.3%.
Claims (10)
1. a seed coating medicine reinforcing agent, it is characterized in that, comprise: the composite particles of zeolite and attapulgite, shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol, the composite particles that described zeolite and attapulgite are formed is through ammonia treatment and high-energy electron beam irradiation.
2. seed coating medicine reinforcing agent as claimed in claim 1, it is characterized in that, the mass ratio of the composite particles of described zeolite and attapulgite, shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol is (4000 ~ 7000): (200 ~ 500): (100 ~ 200): (1 ~ 2): (100 ~ 200); Preferably, described shitosan is the shitosan of deacetylation 60 ~ 90%; Again preferably, described oligosaccharides comprises the Glucosamine of 95% and the amino-oligosacchride of 3%; Also preferably, described S-inducer comprises the ABA of 0.06% and the heteroauxin of 0.9%.
3. seed coating medicine reinforcing agent as claimed in claim 1, it is characterized in that, the composite particles size of described zeolite and attapulgite is 300 ~ 600 orders.
4. seed coating medicine reinforcing agent as claimed in claim 1, it is characterized in that, the composite particles mesolite of described zeolite and attapulgite and the mass ratio of attapulgite are (2 ~ 5): (4 ~ 7).
5. a preparation method for seed coating medicine reinforcing agent, is characterized in that, described reinforcing agent is prepared by the following method:
(1), by zeolite mix with attapulgite particle, then add water and be mixed with the suspension of 10 ~ 50g/L;
(2), in described suspension, add ammoniacal liquor and stir;
(3), utilize high-power electron beam to carry out irradiation to suspension, then drying and crushing forms the composite particles of zeolite and attapulgite;
(4), the composite particles that obtains in step (3) mixes evenly with shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol, namely obtains described seed coating medicine reinforcing agent.
6. preparation method as claimed in claim 5, it is characterized in that, described zeolite granular and described attapulgite particle are colloid, and two kinds of particle sizes are 300 ~ 600 orders.
7. preparation method as claimed in claim 5, is characterized in that, the concentration 10ml/L of described ammoniacal liquor, with suspension mix and blend 5 ~ 10 minutes under 30 ~ 60 degrees celsius, and mixing speed 100 ~ 200rpm.
8. preparation method as claimed in claim 5, it is characterized in that, the irradiation energy of described high-power electron beam is 1 ~ 10MeV, and irradiation dose is 10 ~ 40kGy, and exposure time is 1 ~ 5 minute.
9. preparation method as claimed in claim 5, it is characterized in that, the mass ratio of the composite particles of described zeolite and attapulgite, shitosan, oligosaccharides, S-abscisic acid and polyvinyl alcohol is (4000 ~ 7000): (200 ~ 500): (100 ~ 200): (1 ~ 2): (100 ~ 200).
10. as the application method of the seed coating medicine reinforcing agent as described in arbitrary in Claims 1-4, it is characterized in that, described dressing synergist evenly adds in ordinary coating agent use according to the mass ratio of 5 ~ 10%.
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Cited By (4)
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| CN106995329A (en) * | 2016-01-25 | 2017-08-01 | 中国科学院微生物研究所 | A kind of fertilizer synergist and use its organic fertilizer |
| CN107683861A (en) * | 2016-08-05 | 2018-02-13 | 中国科学院微生物研究所 | A kind of composition for preventing and treating potato scab and preparation method thereof |
| CN109042754A (en) * | 2018-06-27 | 2018-12-21 | 薛士军 | A kind of broccoli seed coating agent and preparation method thereof |
| CN111793433A (en) * | 2020-07-23 | 2020-10-20 | 中国科学院合肥物质科学研究院 | Nano seed coating agent and preparation method thereof |
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| CN108848755A (en) * | 2018-07-11 | 2018-11-23 | 合肥申沃园艺有限公司 | A kind of art for coating of Sculellaria barbata seed |
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| CN106995329A (en) * | 2016-01-25 | 2017-08-01 | 中国科学院微生物研究所 | A kind of fertilizer synergist and use its organic fertilizer |
| CN107683861A (en) * | 2016-08-05 | 2018-02-13 | 中国科学院微生物研究所 | A kind of composition for preventing and treating potato scab and preparation method thereof |
| CN109042754A (en) * | 2018-06-27 | 2018-12-21 | 薛士军 | A kind of broccoli seed coating agent and preparation method thereof |
| CN111793433A (en) * | 2020-07-23 | 2020-10-20 | 中国科学院合肥物质科学研究院 | Nano seed coating agent and preparation method thereof |
| CN111793433B (en) * | 2020-07-23 | 2022-01-28 | 中国科学院合肥物质科学研究院 | Nano seed coating agent and preparation method thereof |
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