CN112020937A - Pelleted seed of biological stimulant and pelleting coating method - Google Patents

Pelleted seed of biological stimulant and pelleting coating method Download PDF

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Publication number
CN112020937A
CN112020937A CN202010883420.4A CN202010883420A CN112020937A CN 112020937 A CN112020937 A CN 112020937A CN 202010883420 A CN202010883420 A CN 202010883420A CN 112020937 A CN112020937 A CN 112020937A
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China
Prior art keywords
seed
pelleted
biostimulant
seeds
pelleting
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CN202010883420.4A
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Inventor
仇义
戴晓锋
杨秀芳
吴霜
方学良
徐勇
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Yangzhou Polytechnic Institute
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Yangzhou Polytechnic Institute
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Priority to CN202010883420.4A priority Critical patent/CN112020937A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/06Coating or dressing seed
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08Magnoliopsida [dicotyledons]
    • A01N65/20Fabaceae or Leguminosae [Pea or Legume family], e.g. pea, lentil, soybean, clover, acacia, honey locust, derris or millettia

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Dentistry (AREA)
  • Biotechnology (AREA)
  • Mycology (AREA)
  • Microbiology (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Soil Sciences (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The invention discloses a pelleted seed of a biostimulant and a pelleting coating method, which can increase the weight of the pelleted seed to be 5-10 times of that of a naked seed, wherein the pelleted seed comprises the biostimulant and a pelleting adhesive, and soybean meal and kieselguhr are used as the biostimulant to promote seed germination and improve seedling growth vigor. The pelleting coating method provided by the invention comprises the steps of setting parameters of a pelleting coating pan, and carrying out film forming and pelleting forming on the outer surface of the seed.

Description

Pelleted seed of biological stimulant and pelleting coating method
Technical Field
The invention relates to a pelleted seed of a biological stimulant and a pelleting coating method, belonging to the technical field of pelleting coating formulas.
Background
In recent years, with the development of population and social economy in pastoral areas, the utilization strength of the grassland is increased all the time, and in addition, an unreasonable utilization mode causes the continuous degradation of a large area of natural grassland. The degradation of the grassland causes the loss of a large amount of soil nutrients and organic matters, further causes the loss of biodiversity in the environment, the increase of greenhouse gas emission and the deterioration of regional climate, and a plurality of grassland communities become endangered ecosystems in the world at present. The production function and the ecological function caused by the degradation of the grassland are obviously reduced, the normal growth of the vegetation is influenced, the germination rate and the survival rate of the vegetation are greatly reduced, the large-scale sand pollution is generated, the ecological balance is broken, the sand storm is caused, and the ecological environment construction and the social and economic sustainable development of the area are seriously influenced. Therefore, the treatment of the degraded grassland is accelerated, the ecological restoration of the degraded grassland is vigorously carried out by adopting effective measures, and the ecological restoration method is a very urgent task for maintaining the national ecological safety and the food safety.
The seed pelleting technology is characterized in that specific coating powder is utilized to prepare small spheres with uniform size and regular shape by a mechanical processing method, the common shapes comprise regular circles, ellipses, oblate and the like, and the core problem of the pelleting technology is whether the particle size of seeds is uniformly increased. The seeds with the increased particle size are beneficial to mechanical precision seeding, the fluidity of the seeds is increased, and the purposes of saving the seeds and improving the seeding efficiency are achieved. Due to the requirements on drought resistance, cold resistance, salt and alkali resistance, soil-borne disease prevention and treatment and the like, a high-quality pelleting technology is urgently needed, and the diversification and function specialization of grass seed pelleting become a new development trend. The research and development of the new pelleting formula of the small-particle wheatgrass seeds have very important significance for adopting technical measures such as aerial seeding and spray seeding to repair and rebuild degraded grassland vegetation, further improving the ecological environment of grasslands and realizing the sustainable development of animal husbandry.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a pelleted seed of a biological stimulant and a pelleting coating method, so that the germination rate of the seed and the growth vigor of seedlings are improved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a pelleted seed of biostimulant capable of increasing the weight of the pelleted seed by 5-10 times that of bare seed, the pelleted seed comprising biostimulant and pelleted adhesive, the biostimulant comprising soy flour and diatomaceous earth, the pelleted adhesive comprising carboxymethylcellulose, polyvinyl alcohol and water mixed together.
With reference to the first aspect, further, the weight ratio of the soybean flour to the diatomite is in the range of: 0.1-9.
Further, the mass ratio of the carboxymethyl cellulose to the polyvinyl alcohol to the water is 2:1: 77.
Further, the particle size of the soybean powder is not more than 200 μm.
Further, the fineness of the diatomite is not more than 100 meshes.
In a second aspect, the present invention provides a method for pelleting seed with a biostimulant, comprising the steps of:
setting parameters of a pelleting coating pan: the rotating speed is 40r/min, the dip angle of the coating pan is 35 degrees, the vibration frequency of the coating pan is 20Hz, and the coating time is not less than 20 min;
forming a film on the outer surface of the seed: putting the seeds into a rotary pelleting coating pot, and spraying 0.5L of adhesive in one time to form a film on the outer surface of the seeds;
pelleting and forming seeds: the biological stimulant is conveyed to the outer surface of the filmed seeds, the powder feeding amount for one time is 1.5kg, and the seeds are mixed and molded in a pelleting coating pot.
In combination with the second aspect, further, after the adhesive is sprayed on the outer surface of the seed, the rotation is continued for not less than 1 minute.
Further, after the biological stimulant is conveyed to the outer surface of the seed in a pneumatic conveying mode, the adhesive is sprayed again.
Furthermore, the spraying and powder supplying times are not less than 10.
Compared with the prior art, the invention has the following beneficial effects:
according to the pelleted seed of the biological stimulant, the mixture of the soybean meal and the diatomite is used as the biological stimulant, so that the seed germination can be effectively promoted, and the growth vigor of seedlings is improved; the provided pelleting seed coating method of the biological stimulant is simple to operate, less in time consumption, and the coating layer is not easy to crack and peel, so that the seed quality can be effectively improved, and the mechanical seeding is facilitated.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby. In the description of the present invention, it is to be understood that, for those skilled in the art, the specific meanings of the relevant terms in the present invention can be understood through specific cases.
The invention provides a pelleted seed of a biological stimulant and a pelleting coating method, wherein the proportion of soybean meal and kieselguhr is shown in table 1, and the kieselguhr enhances the air permeability and water absorption performance of a pelleted surface layer of the seed, and is beneficial to the running and absorption of nutrient components in a plant body. The soybean flour can provide required nutrients for the growth of seedlings; the mixture of the soybean meal and the diatomite is used as a biological stimulant, so that the seed germination can be effectively promoted, and the growth vigor of seedlings can be improved.
Example 1:
the preparation materials for the pelletization of the wheatgrass seeds are as follows:
seed cleaning: a proper amount of wheatgrass seeds are weighed and put into a seed cleaner to remove other substances such as uneven size, uneven quality, impurities and the like, and the seed consumption of a single test is 2 kg.
Configuration of biostimulant: selecting soybean powder (SF for short) 1.6kg with particle size less than or equal to 200 μm, and diatomite (DE for short) 14.4kg with fineness less than or equal to 100 mesh, and mixing with biological stimulant 16 kg.
Adhesive preparation: 5L of a mixed solution of carboxymethyl cellulose, polyvinyl alcohol and water is prepared, wherein the ratio of the carboxymethyl cellulose to the polyvinyl alcohol to the water is 2:1: 77.
The process of the pelleting coating method is as follows:
setting the rotating speed of a pelleting coating pot to be 40r/min, the inclination angle of the coating pot to be 35 degrees, the vibration frequency of the coating pot to be 20Hz, and the coating time to be 20min unchanged, before starting a vibration pelleting device, feeding 2kg of screened wheatgrass seeds into the rotating pelleting coating pot, and spraying a prepared adhesive on the outer surface of the wheatgrass seeds to form a film on the outer surface of the seeds, wherein the spraying amount of the adhesive for one time is 0.5L; after 1min, conveying the biological stimulant to the outer surface of the film-formed seeds in a pneumatic conveying mode, wherein the powder supply amount for one time is 1.5kg, the seeds, the biological stimulant and the adhesive are uniformly contacted and quickly fused under the combined action of vibration and rotation, the pelleting forming quality is favorably improved, the powder and liquid supply process is repeated for 10 times until the seeds are pelleted, and the pelleted seeds are discharged from a discharge port of pelleting equipment to finish the whole pelleting process.
The pelleting coating method provided by the invention can effectively increase the quality of the seeds of the wheatgrass and other small and irregular seeds, is beneficial to mechanical sowing and achieves the purpose of accurate seed falling.
Example 2:
this example is different from example 1 in that: configuration of biostimulant: selecting soybean powder with particle size less than or equal to 200 μm 3.2kg, mixing with diatomaceous earth with fineness less than or equal to 100 meshes 12.8kg, and mixing with biological stimulant 16 kg.
The process of the pelletization coating is the same as that of example 1.
Example 3:
this example is different from example 1 in that: configuration of biostimulant: selecting soybean powder with particle size less than or equal to 200 μm 4.8kg, mixing with diatomaceous earth with fineness less than or equal to 100 meshes 11.2kg, and mixing with biological stimulant 16 kg.
The process of the pelletization coating is the same as that of example 1.
Example 4:
this example is different from example 1 in that: configuration of biostimulant: selecting soybean powder with particle size less than or equal to 200 μm 6.4kg, and diatomite with fineness less than or equal to 100 mesh 9.6kg, and mixing with biological stimulant 16 kg.
The process of the pelletization coating is the same as that of example 1.
Example 5:
this example is different from example 1 in that: configuration of biostimulant: selecting soybean powder with particle size less than or equal to 200 μm 8kg, and diatomite with fineness less than or equal to 100 meshes 8kg, wherein the mixture is biological stimulant totally 16 kg.
The process of the pelletization coating is the same as that of example 1.
Example 6:
this example is different from example 1 in that: configuration of biostimulant: selecting soybean powder with particle size less than or equal to 200 μm 9.6kg, mixing with diatomite with fineness less than or equal to 100 mesh 6.4kg, and mixing with biological stimulant 16 kg.
The process of the pelletization coating is the same as that of example 1.
Example 7:
this example is different from example 1 in that: configuration of biostimulant: selecting 11.2kg of soybean powder with the particle size of less than or equal to 200 mu m, and 4.8kg of diatomite with the fineness of less than or equal to 100 meshes, wherein the mixture is 16kg of biological stimulant.
The process of the pelletization coating is the same as that of example 1.
Example 8:
this example is different from example 1 in that: configuration of biostimulant: selecting soybean powder with particle size less than or equal to 200 μm 12.8kg, mixing with diatomaceous earth with fineness less than or equal to 100 meshes 3.2kg, and mixing with biological stimulant 16 kg.
The process of the pelletization coating is the same as that of example 1.
Example 9:
this example is different from example 1 in that: configuration of biostimulant: selecting soybean powder with particle size less than or equal to 200 μm 14.4kg, mixing with diatomaceous earth with fineness less than or equal to 100 mesh 1.6kg, and mixing with biological stimulant 16 kg.
The process of the pelletization coating is the same as that of example 1.
Example 10:
this example is a control group, and differs from example 1 in that: only the seed cleaning process is carried out.
Table 1: proportioning combination of pelletized materials
Examples 1 2 3 4 5 6 7 8 9 10
Soybean flour SF/kg 1.6 3.2 4.8 6.4 8 9.6 11.2 12.8 14.4 0
Diatomaceous earth DE/kg 14.4 12.8 11.2 9.6 8 6.4 4.8 3.2 1.6 0
The method for measuring the germination environment, the germination rate and the rhizome length of the seeds in the embodiment of the invention comprises the following steps:
from different material proportions and a control group (example 10), 50 seeds in each batch are randomly selected and placed on pre-wetted germination test paper, two pieces of germination test paper are laid below the seeds, one piece of germination test paper is covered on the seeds, the covered germination test paper is folded and vertically placed in a germination box (model I-36LL, Perry, IA), a constant temperature of 25 ℃ is maintained (simulating the growth condition in daytime) when the illumination time length of the germination box is 16 hours, a constant temperature of 15 ℃ is maintained (simulating the growth condition in night) when the illumination time length is 8 hours, and each treatment is set to be repeated for 4 times, namely the total number of treatment samples in each example is 200. The seedling root length of more than 2mm is recorded as the germination of the seeds, and the germination condition of the ice grass seeds is recorded every 24 h.
And testing the germination condition of the wheatgrass seeds by adopting an inter-paper method, and determining the germination rate of the pelleted wheatgrass seeds under the material ratios of different biological stimulants. The average values of the maximum germination percentage and the length of the rootstocks were recorded on the 7 th and 10 th days of seed germination, respectively, as shown in table 2.
Table 2: comparison of germination and growth conditions of the pelleted seeds and the naked seeds
Examples 1 2 3 4 5 6 7 8 9 10
Average germination/degree 83c 89b 92a 93a 92a 92a 90b 92a 88b 87b
Average root length/cm 6.9c 8.1b 8.7a 8.2b 8.2b 8.0b 7.9b 8.1b 7.7b 7.8b
Average stem length/cm 6.6c 8.2a 8.1a 8.1a 7.7b 7.5b 7.6b 7.6b 8.0a 7.6b
Note: in the table, a, b and c are the results of significant differences analyzed by the mathematical analysis software Minitab variance analysis, (P < 0.05).
The test result shows that: the germination rate of the pelleted wheatgrass seeds in the 1-9 groups is 4% -10% higher than that of the control group 10, and the variance analysis result has significant difference; the root length of the 9 groups of pelleted and pelleted wheatgrass seeds is 0.8cm-1.8cm longer than that of the control group, and the variance analysis results have significant differences; the root length of the pelleted and pelleted wheatgrass seeds in the 1-9 groups is 0.9cm-1.6cm longer than that of the control group, and the variance analysis results have significant differences.
In conclusion, when the ratio of the soybean powder to the diatomite is 3:7, the seedling of the pelleted seed has the best germination condition and the optimal growth vigor, and the ratio of SF to DE is 3:7, which is the optimal ratio of the pelleted material of the wheatgrass seed.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A pelleted seed of biostimulant capable of increasing the weight of the pelleted seed by 5-10 times that of a bare seed, the pelleted seed comprising biostimulant and a pelleted adhesive, the biostimulant comprising soy flour and diatomaceous earth, the pelleted adhesive comprising carboxymethylcellulose, polyvinyl alcohol, and water mixed.
2. The pelleted seed of biostimulant of claim 1, wherein the weight ratio of the soy flour to the diatomaceous earth is in the range of: 0.1-9.
3. The pelleted seed of biostimulant of claim 1, wherein the mass ratio of the carboxymethylcellulose, the polyvinyl alcohol and the water is 2:1: 77.
4. The pelleted seed of claim 1, wherein said biostimulant is present in a pellet form
The particle size of the soybean powder is not more than 200 μm.
5. The pelleted seed of biostimulant of claim 1, wherein the diatomaceous earth has a fineness of no greater than 100 mesh.
6. A method for coating pelleted seeds with a biostimulant, comprising the steps of:
setting parameters of a pelleting coating pan: the rotating speed is 40r/min, the dip angle of the coating pan is 35 degrees, the vibration frequency of the coating pan is 20Hz, and the coating time is not less than 20 min;
forming a film on the outer surface of the seed: putting the seeds into a rotary pelleting coating pot, and spraying 0.5L of adhesive in one time to form a film on the outer surface of the seeds;
pelleting and forming seeds: the biological stimulant is conveyed to the outer surface of the filmed seeds, the powder feeding amount for one time is 1.5kg, and the seeds are mixed and molded in a pelleting coating pot.
7. The method of claim 6, wherein said coating of the seed with the biostimulant is continued for not less than 1 minute after spraying the adhesive on the outer surface of the seed.
8. The method as claimed in claim 6, wherein the bio-stimulant is further sprayed with an adhesive after being pneumatically delivered to the outer surface of the seed.
9. The method of claim 6, wherein said spraying and powdering are performed no less than 10 times.
CN202010883420.4A 2020-08-28 2020-08-28 Pelleted seed of biological stimulant and pelleting coating method Pending CN112020937A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1751553A (en) * 2004-09-22 2006-03-29 上海农业科技种子有限公司 Pelletized coating agent and coating method for berbage Artemisia sieversiana willd seeds
CN102440101A (en) * 2011-09-30 2012-05-09 云南省烟草农业科学研究院 Anti-counterfeiting tobacco pelleted seed prepared from magnetic powder and detection method thereof
CN103601585A (en) * 2013-11-19 2014-02-26 重庆市中药研究院 Radix dipsaci seed pelletization coating and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1751553A (en) * 2004-09-22 2006-03-29 上海农业科技种子有限公司 Pelletized coating agent and coating method for berbage Artemisia sieversiana willd seeds
CN102440101A (en) * 2011-09-30 2012-05-09 云南省烟草农业科学研究院 Anti-counterfeiting tobacco pelleted seed prepared from magnetic powder and detection method thereof
CN103601585A (en) * 2013-11-19 2014-02-26 重庆市中药研究院 Radix dipsaci seed pelletization coating and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
QIU 等: "Biostimulant Seed Coating Treatments to Improve Cover Crop Germination and Seedling Growth", 《AGRONOMY》 *
仇义 等: "振动作用下冰草种子丸化包衣运动与试验研究", 《农机化研究》 *

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