CN109645018B - Undissolvable zhongshengmycin pesticide large granule and preparation method thereof - Google Patents

Undissolvable zhongshengmycin pesticide large granule and preparation method thereof Download PDF

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CN109645018B
CN109645018B CN201910079891.7A CN201910079891A CN109645018B CN 109645018 B CN109645018 B CN 109645018B CN 201910079891 A CN201910079891 A CN 201910079891A CN 109645018 B CN109645018 B CN 109645018B
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zhongshengmycin
preparation
granules
water content
content
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CN109645018A (en
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杨宏勃
李昶志
郑鹏飞
高曼妮
潘忠成
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Shaanxi Microbe Biotechnology Co ltd
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Shaanxi Microbe Biotechnology Co ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/18—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/12—Powders or granules
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a non-disintegrating type zhongshengmycin pesticide large granule and a preparation method thereof, wherein zhongshengmycin granules are prepared from zhongshengmycin hypha waste residues obtained after plate-frame filtration or centrifugal machine dehydration, wherein the zhongshengmycin granules have 0.1-0.8% of zhongshengmycin content, 5-9mm of particle diameter, less than or equal to 3% of moisture content and 3-5 of pH value. The zhongshengmycin pesticide large particle agent produced by the invention has stable quality, the decomposition rate of the zhongshengmycin pesticide large particle agent is less than or equal to 5 percent after repeated tests and storage for two years at normal temperature, the use is convenient, and the control effect on the pepper bacterial wilt is obvious.

Description

Undissolvable zhongshengmycin pesticide large granule and preparation method thereof
Technical Field
The invention belongs to the field of pesticides, relates to a non-disintegrable zhongshengmycin pesticide large granule and a preparation method thereof, and particularly relates to a non-disintegrable zhongshengmycin pesticide large granule prepared from Zhongshengmycin fermentation waste residues and a preparation method thereof.
Background
Pesticide granules can be divided into large granules, granules and microgranules according to the particle size, wherein the granules with the diameter of 5-9mm are called large granules. The granule is not disintegrated and dispersed in water and is called as non-disintegrated granule, the non-disintegrated granule has slow effect and is mainly used for preventing and treating soil bacterial diseases.
The reports on the manufacturing method of zhongshengmycin granules mainly include a Master thesis of Dingshengmycin sustained-release granule development and controlled-release mechanism research of Dingshengmycin of Henan agricultural university, wherein the Zhongshengmycin sustained-release granules are developed by mainly utilizing the retarding effect of colloid formed when a high molecular compound, namely sodium carboxymethylcellulose (CMC) is dissolved in water and the controlled-release effect of a polymeric membrane formed by the complexation of the CMC and aluminum ions on zhongshengmycin, and the sustained-release performance and the stability of zhongshengmycin are detected by utilizing a bioassay method.
In addition, patent application 201611165611.7, Zhang bin, discloses a granular pesticide for dry-raised rice seedlings, the effective components of which are composed of fenoxanil and zhongshengmycin, and the weight of the fenoxanil and zhongshengmycin is limited. The invention is suitable for preventing and controlling damping-off and rice blast of dry seedling raising, has obvious synergy and good systemic property, can effectively control diseases, and has the effects of saving time, labor and labor.
Both documents use either zhongshengmycin mother powder or zhongshengmycin as a raw material for producing granules. The biggest difference between the method and the prior art is that the raw material of the zhongshengmycin hypha waste residue is used for producing the granules, so that waste is changed into valuable, and the emission of pollutants is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a non-disintegrating type zhongshengmycin pesticide large granule and a preparation method thereof. The pH of the zhongshengmycin waste residue is generally between 3 and 6, the zhongshengmycin waste residue contains active ingredients, hypha residual segments, reducing sugar, amino nitrogen, starch, protein, a small amount of organic salt such as potassium dihydrogen phosphate, sodium chloride and the like, the content of dry-basis organic matters reaches more than 70 percent, and fertilizer elements N + P2O5+K2O is more than or equal to 4 percent, and the nutrition is rich.
In order to realize the purpose of the invention, the invention adopts the following technical scheme: an indissoluble Zhongshengmycin pesticide granule, wherein the Zhongshengmycin content of the Zhongshengmycin granule is 0.1-0.8%, the diameter of the granule is 5-9mm, the water content is less than or equal to 3%, and the pH value is 3-5. The pH measurement refers to GB/T1601, the zhongshengmycin pesticide large particle agent produced by the invention has stable quality, and through repeated tests, the decomposition rate of the zhongshengmycin pesticide large particle agent stored at normal temperature for two years is less than or equal to 5%, and the use is convenient.
The invention also protects the preparation method of the non-disintegrating type zhongshengmycin pesticide granules, which comprises the steps of adopting plate-frame filtration or centrifugal dehydration to obtain zhongshengmycin mycelium waste residues, mixing the zhongshengmycin mycelium waste residues in the solid form into a carrier and 0.01-0.1% of a binder, adjusting the pH value to be 3-5 by using oxalic acid, adjusting the water content to be 20-30%, being suitable for granulation, extruding, drying and screening to obtain the zhongshengmycin pesticide granules with the content of 0.1-0.8%.
In a preferred embodiment of the present invention, the preparation method specifically comprises the following steps:
(1) preparing a 2% aqueous solution of a binder, adding the zhongshengmycin mycelium waste residues according to the mass percent of 0.01-0.1%, and uniformly mixing;
(2) adding calculated and weighed filler into the material mixed with the binder in the step (1), uniformly mixing, and adjusting the water content to be 20-30% so as to facilitate granulation;
(3) adding a proper amount of oxalic acid into the mixture obtained in the step (2) to ensure that the pH of a final product is between 3 and 5;
(4) and (3) extruding and granulating the wet material obtained in the step (3) by using an extrusion sieve plate with the aperture of 5-9mm, drying at 40-60 ℃ until the water content is below 3%, screening by using a vibrating screen to obtain the Zhongshengmycin large granules with the content of 0.1-0.8%, and mechanically using fine powder below the sieve.
In a preferred embodiment of the invention, the binder is one or more of sodium lauryl sulfate, sodium carboxymethyl cellulose, sodium alginate, starch and derivatives thereof, polyethylacrylate, polyvinylpyrrolidone, lactose and polyacrylamide; more preferably one of polyacrylamide and sodium carboxymethyl cellulose. The two materials are easy to absorb water and are easy to be uniformly mixed with the materials, and a large number of practical formula tests prove that the bonding effect is good, the dosage is small, and the bonding agent is obviously superior to other pesticide binders reported at present.
In a preferred embodiment of the invention, the filler is one or more of kaolin, white carbon black and diatomite.
Compared with the prior art, the invention provides the method for effectively utilizing the zhongshengmycin hypha waste residues, which can change waste into valuable, the effect of the non-disintegrating type zhongshengmycin pesticide macro granules obtained by the specific production process of the invention on preventing and treating the pepper bacterial wilt is obvious, the non-disintegrating type zhongshengmycin pesticide macro granules can completely replace the products in the prior art, and the obtained non-disintegrating type zhongshengmycin pesticide macro granules have stable quality, very low normal temperature decomposition rate and convenient use. Other beneficial effects of the invention are as follows:
(1) realizes the resource utilization of the zhongshengmycin waste residues, prepares the waste residues which are difficult to utilize all the time into zhongshengmycin granules with stable quality, and saves the resource fund.
(2) In the production process of zhongshengmycin, the waste residue has large production amount, and if the waste residue is not treated in time, the waste residue can be fermented and smelly, so that the production process is seriously influenced and restricted.
(3) The carrier is directly added into the waste residue with higher moisture content, so that the permeability of wet residue is changed, the wet residue is easier to dry, the product can be produced by water conservancy, and the problem that the wet residue is difficult to dry due to direct drying is avoided.
(4) The granules processed by the waste residues provide a better soil control agent.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited to only the following examples.
Example 1
0.1kg of polyacrylamide was dissolved in 4.9kg of water to prepare a 2% aqueous solution. Then adding the mixture into 1000Kg of hypha waste residue with water content of 57% and zhongshengmycin content of 1%, and uniformly stirring. Then 1000Kg of kaolin with water content of 2% is added, 2.7Kg of oxalic acid is added to prepare 2007.7Kg of wet material with water content of 29.7%, 5mm sieve plate is adopted for extrusion granulation, then drying is carried out for 3 hours under the condition of 60 ℃, the water content is measured to be 2.7%, and after sieving is carried out by adopting a vibrating sieve, 1390.1Kg of macrogranule with content of 0.7% and 50.1Kg of sieve powder are obtained. The sieving powder can be used for mixing during the next secondary production.
Example 2
0.5Kg of sodium carboxymethylcellulose is dissolved in 24.5Kg of water to prepare a 2% aqueous solution, and then added to 1000Kg of hypha waste residue with 75% water content and 0.5% zhongshengmycin content, and stirred uniformly. Then 2000Kg of white carbon black with water content of 3% is added, 3.4Kg of oxalic acid is added to prepare 3028.4Kg of wet material with water content of 27.6%, the wet material is extruded and granulated by a sieve plate with 9mm, then the wet material is dried for 2.5 hours at 60 ℃, the water content is measured to be 2.4%, and after sieving by a vibrating sieve, 2190.9Kg of macro-granule with content of 0.2% and 53.5Kg of sieve powder are obtained. The screened powder is applied for next material preparation.
Example 3
Dissolving 1Kg of sodium carboxymethylcellulose in 49Kg of water to prepare a 2% aqueous solution, adding 1000Kg of mycelium waste residue containing 65% of zhongshengmycin and 0.9% of zhongshengmycin, and stirring uniformly. Then 2000Kg of diatomite with water content of 2.1% is added, 1.1Kg of oxalic acid is added to prepare 3052.1Kg of wet material with water content of 24.3%, 7mm sieve plate is adopted for extrusion granulation, then the wet material is dried for 2.7 hours at 60 ℃, the water content is measured to be 2.8%, and after screening by a vibrating screen, 2309.9Kg of large granule with content of 0.4% and 66.5Kg of screen powder are obtained. The screened powder is applied for next material preparation.
Example 4
The products of the above examples were subjected to field efficacy testing. In 7 months 2008, 3Kg \4Kg \5Kg of 0.4% Zhongshengmycin macroadmixture is applied to the town of Longyang in Pucheng county for preventing and treating pepper bacterial wilt in about 20CM high per mu, 5 hundred million cfu/g of paenibacillus polymyxa KN-03 suspending agent (registration number PD 20184026) produced by Wuhan Kenuo biotechnology GmbH is adopted as a contrast agent, statistical analysis is carried out 14 days after application, and the test results are shown in the following table 1:
TABLE 10.4% Zhongshengmycin large granule and 5 hundred million cfu/g Paenibacillus polymyxa KN-03 suspending agent field drug effect test experiment result
Figure DEST_PATH_IMAGE001
As can be seen from the table 1, the treatment difference of the Zhongshengmycin granules is obvious, the control effect is obviously increased along with the increase of the use amount, and the difference between 0.4 percent of Zhongshengmycin granules of 5 kg/mu and the difference between the registered control medicament of 5 hundred million cfu/g of the paenibacillus polymyxa KN-03 suspending agent of 2.5 liters/mu is not obvious and even better. In addition, the 0.4% Zhongshengmycin granules of 5 kg/mu have good control effect on the pepper bacterial wilt.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (5)

1. A preparation method of non-disintegrating type zhongshengmycin pesticide large granules for preventing and treating pepper bacterial wilt is characterized in that the content of zhongshengmycin in zhongshengmycin hypha waste residues obtained by plate-frame filtration or centrifugal dehydration is 0.5-1%, the water content is 50-75%, the zhongshengmycin hypha waste residues in a solid form is mixed into a carrier and 0.01-0.1% of a binder, the pH value is adjusted to be 3-5 by oxalic acid, the water content is adjusted to be 20-30%, the granules are suitable for granulation, and the zhongshengmycin pesticide large granules with the content of 0.1-0.8% are obtained after extrusion, drying and screening; the Zhongshengmycin granule has 0.1-0.8 percent of Zhongshengmycin, 5-9mm of particle diameter, less than or equal to 3 percent of water content and 3-5 of pH value.
2. The preparation method according to claim 1, comprising the following steps:
(1) preparing a 2% aqueous solution of a binder, adding the zhongshengmycin mycelium waste residues according to the mass percent of 0.01-0.1%, and uniformly mixing;
(2) adding calculated and weighed filler into the material mixed with the binder in the step (1), uniformly mixing, and adjusting the water content to be 20-30% so as to facilitate granulation;
(3) adding a proper amount of oxalic acid into the mixture obtained in the step (2) to ensure that the pH of a final product is between 3 and 5;
(4) and (3) extruding and granulating the wet material obtained in the step (3) by using an extrusion sieve plate with the aperture of 5-9mm, drying at 40-60 ℃ until the water content is below 3%, screening by using a vibrating screen to obtain the Zhongshengmycin large granules with the content of 0.1-0.8%, and mechanically using fine powder below the sieve.
3. The preparation method according to claim 1 or 2, wherein the binder is one or more of sodium lauryl sulfate, sodium carboxymethylcellulose, sodium alginate, starch and derivatives thereof, polyethylacrylate, polyvinylpyrrolidone, lactose, and polyacrylamide.
4. The preparation method according to claim 3, wherein the binder is one of polyacrylamide and sodium carboxymethylcellulose.
5. The preparation method according to claim 2, wherein the filler is one or more of kaolin, white carbon black and diatomite.
CN201910079891.7A 2019-01-28 2019-01-28 Undissolvable zhongshengmycin pesticide large granule and preparation method thereof Active CN109645018B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104025945A (en) * 2014-06-26 2014-09-10 杨宏勃 Degradable seedling culture pot and production method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104025945A (en) * 2014-06-26 2014-09-10 杨宏勃 Degradable seedling culture pot and production method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
丁振华.中生菌素缓释粒剂研制及控释机理研究.《河南农业大学硕士学位论文》.2003, *
中生菌素缓释粒剂研制及控释机理研究;丁振华;《河南农业大学硕士学位论文》;20030915;第29页第2段、第32页最后一段、第38页、第40页配方7、第49页 *

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