CN108477218B - Paddy field bactericide and application thereof - Google Patents
Paddy field bactericide and application thereof Download PDFInfo
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- CN108477218B CN108477218B CN201810244235.3A CN201810244235A CN108477218B CN 108477218 B CN108477218 B CN 108477218B CN 201810244235 A CN201810244235 A CN 201810244235A CN 108477218 B CN108477218 B CN 108477218B
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- surfactant
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- polyoxyethylene ether
- tallow amine
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 32
- 239000003899 bactericide agent Substances 0.000 title claims abstract description 32
- 241000209094 Oryza Species 0.000 claims abstract description 37
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 37
- 235000009566 rice Nutrition 0.000 claims abstract description 37
- 239000004094 surface-active agent Substances 0.000 claims abstract description 34
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 24
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 24
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 claims abstract description 19
- 150000001412 amines Chemical class 0.000 claims abstract description 19
- 239000003760 tallow Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004563 wettable powder Substances 0.000 claims abstract description 14
- 239000000375 suspending agent Substances 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- -1 polyoxyethylene phosphate Polymers 0.000 claims abstract description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 15
- 239000010452 phosphate Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 10
- 230000000855 fungicidal effect Effects 0.000 claims description 9
- 239000000417 fungicide Substances 0.000 claims description 9
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 claims description 4
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 claims description 4
- 235000010323 ascorbic acid Nutrition 0.000 claims description 4
- 229960005070 ascorbic acid Drugs 0.000 claims description 4
- 239000011668 ascorbic acid Substances 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 229920001285 xanthan gum Polymers 0.000 claims description 3
- 229940082509 xanthan gum Drugs 0.000 claims description 3
- 235000010493 xanthan gum Nutrition 0.000 claims description 3
- 239000000230 xanthan gum Substances 0.000 claims description 3
- UQVNRKBFAXNOGA-LWTNMJDUSA-N (E)-tomaymycin Chemical compound CO[C@H]1NC2=CC(O)=C(OC)C=C2C(=O)N2C\C(=C\C)C[C@@H]12 UQVNRKBFAXNOGA-LWTNMJDUSA-N 0.000 claims 1
- UQVNRKBFAXNOGA-IUODEOHRSA-N Tomaymycin Natural products CO[C@H]1Nc2cc(O)c(OC)cc2C(=O)N3CC(=CC)C[C@H]13 UQVNRKBFAXNOGA-IUODEOHRSA-N 0.000 claims 1
- 239000013530 defoamer Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 239000003814 drug Substances 0.000 abstract description 10
- PVTHJAPFENJVNC-MHRBZPPQSA-N kasugamycin Chemical compound N[C@H]1C[C@H](NC(=N)C(O)=O)[C@@H](C)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H]1O PVTHJAPFENJVNC-MHRBZPPQSA-N 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- UFHLMYOGRXOCSL-UHFFFAOYSA-N isoprothiolane Chemical compound CC(C)OC(=O)C(C(=O)OC(C)C)=C1SCCS1 UFHLMYOGRXOCSL-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 235000013348 organic food Nutrition 0.000 abstract description 3
- 239000004480 active ingredient Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 29
- 238000003756 stirring Methods 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 241000159512 Geotrichum Species 0.000 description 3
- 239000003124 biologic agent Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000012257 stirred material Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- AYIRNRDRBQJXIF-NXEZZACHSA-N (-)-Florfenicol Chemical compound CS(=O)(=O)C1=CC=C([C@@H](O)[C@@H](CF)NC(=O)C(Cl)Cl)C=C1 AYIRNRDRBQJXIF-NXEZZACHSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 241001330975 Magnaporthe oryzae Species 0.000 description 1
- IUOKJNROJISWRO-UHFFFAOYSA-N N-(2-cyano-3-methylbutan-2-yl)-2-(2,4-dichlorophenoxy)propanamide Chemical compound CC(C)C(C)(C#N)NC(=O)C(C)OC1=CC=C(Cl)C=C1Cl IUOKJNROJISWRO-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 239000005820 Prochloraz Substances 0.000 description 1
- 239000005869 Pyraclostrobin Substances 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 229960004365 benzoic acid Drugs 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229960003760 florfenicol Drugs 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229960000988 nystatin Drugs 0.000 description 1
- VQOXZBDYSJBXMA-NQTDYLQESA-N nystatin A1 Chemical compound O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/CC/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 VQOXZBDYSJBXMA-NQTDYLQESA-N 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 description 1
- HZRSNVGNWUDEFX-UHFFFAOYSA-N pyraclostrobin Chemical compound COC(=O)N(OC)C1=CC=CC=C1COC1=NN(C=2C=CC(Cl)=CC=2)C=C1 HZRSNVGNWUDEFX-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- DQJCHOQLCLEDLL-UHFFFAOYSA-N tricyclazole Chemical compound CC1=CC=CC2=C1N1C=NN=C1S2 DQJCHOQLCLEDLL-UHFFFAOYSA-N 0.000 description 1
- 241001446247 uncultured actinomycete Species 0.000 description 1
Classifications
-
- 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
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/10—Animals; Substances produced thereby or obtained therefrom
-
- 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
- A01N25/30—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 characterised by the surfactants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Environmental Sciences (AREA)
- Microbiology (AREA)
- Virology (AREA)
- Biotechnology (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to the technical field of bactericides, and particularly relates to a bactericide for a paddy field and application thereof. The rice field bactericide comprises princess ridge mycin, a surfactant and other agriculturally and pharmaceutically acceptable auxiliary agents; the surfactant is one or more of alkylphenol polyoxyethylene phosphate, alkylaryl sulfonate and tallow amine polyoxyethylene ether. The bactericide of the invention takes the princess lingmycin as an active ingredient and can be prepared into a suspending agent, wettable powder and a water agent by adopting a specific surfactant. Experiments prove that the bactericide preparation prepared by the invention is used for preventing and treating rice blast, has good prevention and treatment effects, and has the effects obviously superior to those of the conventional princess lingmycin water aqua, the biological medicament kasugamycin and the chemical medicament isoprothiolane under the condition of equal dosage. Meanwhile, the method is safe to crops and environment, accords with the current industrial policy, can be applied to the production of organic food, and has wide market prospect and remarkable social benefit.
Description
Technical Field
The invention relates to the technical field of bactericides, and particularly relates to a bactericide for a paddy field and application thereof.
Background
At present, rice is the first crop of the plants in China and is also one of the main grain crops in the world. Nearly half of the world's population, including almost the entire east and southeast asia, feeds on rice, and is produced throughout continents other than the south pole.
The rice blast is one of important diseases of rice, can cause great yield reduction, and can reduce the yield by 40 to 50 percent even if the yield is serious, and even no grains are harvested. All rice areas in the world occur uniformly. This disease occurs in all regions, with more occurrence of leaves and nodes, which may cause different degrees of reduction in yield after occurrence, especially early and severe neck blast or node blast, which may cause white ears and loss of yield.
At present, more medicaments for preventing and treating rice blast are used, but most of the medicaments are chemical medicaments, such as isoprothiolane, prochloraz, tricyclazole, fenoxanil, pyraclostrobin and the like, and biological preparations are few. From the perspective of food safety and environmental safety, the biological agent has great advantages and has wide development prospect.
Disclosure of Invention
In view of the above, the invention provides a paddy field bactericide and application thereof. The bactericide can effectively prevent the occurrence of rice blast of rice, reduce the loss of the rice blast to the rice and improve the yield and the quality of the rice; meanwhile, the method is safe to crops and environment, accords with the current industrial policy, can be applied to the production of organic food, and has wide market prospect and remarkable social benefit.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a rice field bactericide, which comprises princess lingmycin, a surfactant and other agriculturally and pharmaceutically acceptable auxiliary agents;
the surfactant is one or more of alkylphenol polyoxyethylene phosphate, alkylaryl sulfonate and tallow amine polyoxyethylene ether.
Preferably, in the paddy field fungicide provided by the invention, the surfactant is two or three of alkylphenol polyoxyethylene ether phosphate, alkylaryl sulfonate and tallow amine polyoxyethylene ether, and is preferably a mixture of alkylphenol polyoxyethylene ether phosphate, alkylaryl sulfonate and tallow amine polyoxyethylene ether. More preferably, the mass ratio of the alkylphenol polyoxyethylene ether phosphate to the alkylaryl sulfonate to the tallow amine polyoxyethylene ether is 1-4: 1-2: 1.
In some embodiments provided herein, the surfactant is a mixture of alkylphenol ethoxylate phosphate, alkylaryl sulfonate, and tallow amine ethoxylate, and the mass ratio of the alkylphenol ethoxylate phosphate, the alkylaryl sulfonate, and the tallow amine ethoxylate is 2:1: 1.
In some embodiments provided by the present invention, the surfactant is a mixture of alkylphenol ethoxylate phosphate and alkylaryl sulfonate, and the mass ratio of alkylphenol ethoxylate phosphate to alkylaryl sulfonate is 4: 1.
in some embodiments provided by the present invention, the surfactant is a mixture of alkylphenol ethoxylate phosphate and tallow amine ethoxylate, and the mass ratio of the alkylphenol ethoxylate phosphate to the tallow amine ethoxylate is 1: 1.
In some embodiments provided herein, the surfactant is a mixture of alkylaryl sulfonate and tallow amine polyoxyethylene ether, wherein the mass ratio of alkylaryl sulfonate to tallow amine polyoxyethylene ether is 1: 1.
The princess ridge mycin is an actinomycete separated from the soil of the princess ridge of Jilin province in 1971 of the plant protection institute of agricultural academy of sciences of Jilin province, the strain number is '760', and the efficient mixed preparation is naturally synthesized by six components, namely dehydrated actinone, isoactinone, neramycin-B, nystatin, benzoic acid and florfenicol.
The invention takes the princess lingmycin as an active component, and adopts a specific surfactant and other auxiliary agents acceptable in the agriculture and pharmacy to prepare a novel biological bactericide. A large number of field experiments prove that the bactericide can effectively prevent and treat the rice blast, and the prevention and treatment effect is obviously superior to that of the conventional princess lingmycin water aqua, the biological medicament kasugamycin and the chemical medicament isoprothiolane under the condition of the same using amount of the effective components.
Preferably, the weight percentage of the princess ridge-mycin in the rice field bactericide is 1-90%.
More preferably, the weight percentage of the princess ridge-mycin in the rice field bactericide is 1-50%.
In some embodiments provided herein, the weight percentage of the gemmazine to the paddyfield fungicide is 1%.
In some embodiments provided herein, the weight percentage of the gemmazine to the paddyfield fungicide is 10%.
In some embodiments provided herein, the weight percentage of the gemmazine to the paddyfield fungicide is 50%.
In some embodiments provided herein, the weight percentage of the gemmazine to the paddyfield fungicide is 90%.
Preferably, the surfactant accounts for 5-10% of the weight of the rice field bactericide.
In some embodiments provided herein, the surfactant is present at 4% by weight of the rice field fungicide.
In some embodiments provided herein, the surfactant is 2% by weight of the rice field fungicide.
In some embodiments provided herein, the surfactant is present at 1% by weight of the rice field fungicide.
Preferably, the formulation of the paddy field bactericide provided by the invention can be a suspending agent, wettable powder or aqueous agent.
Preferably, the wettable powder provided by the invention comprises, by mass, 1-50% of princess lingmycin, 1-10% of a surfactant, 1-3% of maltose, 1-3% of ascorbic acid and the balance of white carbon black.
In the specific embodiment provided by the invention, the wettable powder provided by the invention comprises 90% of Briggrin, 2% of surfactant, 1% of maltose, 1% of ascorbic acid and the balance of white carbon black by mass percentage.
In the specific embodiment provided by the invention, the wettable powder provided by the invention comprises 50% of Briggrin, 2% of surfactant, 1% of maltose, 1% of ascorbic acid and the balance of white carbon black in percentage by mass.
Preferably, the suspending agent provided by the invention comprises, by mass, 1-50% of princess ridge-mycin, 5-10% of surfactant, 0.1-1% of xanthan gum, 0.1-1% of defoaming agent and the balance of water.
In the specific embodiment provided by the invention, the suspending agent provided by the invention comprises 1% of gemmazine, 4% of surfactant, 0.5% of xanthan gum, 0.1% of defoaming agent and the balance of water in percentage by mass.
Preferably, the water agent provided by the invention comprises 10% of princess ridge mycin, 1% of surfactant, 0.1% of defoaming agent and the balance of water in percentage by mass.
In the suspending agent and the aqueous solution provided by the invention, the adopted defoaming agent is organosilicon, but the invention is not limited to the organosilicon, and the defoaming agents recognized in the field are all within the protection scope of the invention.
The invention also provides application of the rice field bactericide in preventing and treating rice blast.
The rice field bactericide provided by the invention comprises princess ridge mycin, a surfactant and other auxiliary agents acceptable in the pesticide science; the surfactant is one or more of alkylphenol polyoxyethylene phosphate, alkylaryl sulfonate and tallow amine polyoxyethylene ether. Experiments prove that under the condition of the same using amount of the effective components, the bactericide prepared by adopting the specific surfactant type is used for preventing and treating the rice blast, the prevention and treatment effect is good, and the effect is obviously superior to that of the conventional princess lingmycin water aqua, the biological medicament kasugamycin and the chemical medicament isoprothiolane. Meanwhile, the method is safe to crops and environment, accords with the current industrial policy, can be applied to the production of organic food, and has wide market prospect and remarkable social benefit.
Detailed Description
The invention discloses a rice field bactericide and application thereof, and can be realized by appropriately improving process parameters by taking the contents of the bactericide as reference by the technical personnel in the field. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The rice field bactericide and the raw material medicines or auxiliary materials used in the application thereof provided by the invention can be purchased from the market.
The invention is further illustrated by the following examples:
example 11.0% preparation of a Geotrichum Linnaeus suspension
The formula is as follows:
the preparation method comprises the following steps: (1) weighing the materials according to the above dosage, adding the materials into a stirring kettle, stirring for 30 minutes, and simultaneously shearing in the stirring process; (2) grinding the stirred material by a sand mill, wherein the qualified standard is that the detected particle size D50 of the material is not more than 10 microns; (3) transferring the qualified ground material into a kettle and stirring for 20 minutes to obtain the 1.0 percent of the princess lingmycin suspending agent.
Example 21.0% preparation of a Geotrichum Linnaeus suspension
The formula is as follows:
the preparation method comprises the following steps: (1) weighing the materials according to the above dosage, adding the materials into a stirring kettle, stirring for 30 minutes, and simultaneously shearing in the stirring process; (2) grinding the stirred material by a sand mill, wherein the qualified standard is that the detected particle size D50 of the material is not more than 10 microns; (3) transferring the qualified ground material into a kettle and stirring for 20 minutes to obtain the 1.0 percent of the princess lingmycin suspending agent.
Example 31.0% preparation of a Geotrichum Linnaeus suspension
The formula is as follows:
the preparation method comprises the following steps: (1) weighing the materials according to the above dosage, adding the materials into a stirring kettle, stirring for 30 minutes, and simultaneously shearing in the stirring process; (2) grinding the stirred material by a sand mill, wherein the qualified standard is that the detected particle size D50 of the material is not more than 10 microns; (3) transferring the qualified ground material into a kettle and stirring for 20 minutes to obtain the 1.0 percent of the princess lingmycin suspending agent.
Comparative example 11.0% preparation of a Briggrin suspension
The preparation method is the same as example 1.
The suspending agents prepared in examples 1-3 and comparative example 1 were tested for each index, and the test results are shown in table 1.
TABLE 1 suspending agent index test results
EXAMPLE 490% preparation of wettable powder of Briggrin
The formula is as follows:
the preparation method comprises the following steps:
(1) adding the materials into a mixer according to the mass percent of the components and other raw materials, and stirring and mixing for 20 minutes; (2) crushing the uniformly mixed material by using a jet mill, wherein the qualified standard is that the particle size D50 of the material is not more than 15 micrometers; (3) and obtaining the qualified crushed material as the target object.
EXAMPLE 590% preparation of wettable powder of Briggrin
The formula is as follows:
the preparation method comprises the following steps:
(2) adding the materials into a mixer according to the mass percent of the components and other raw materials, and stirring and mixing for 20 minutes; (2) crushing the uniformly mixed material by using a jet mill, wherein the qualified standard is that the particle size D50 of the material is not more than 15 micrometers; (3) and obtaining the qualified crushed material as the target object.
Comparative example 290% princess Lingmycin wettable powder preparation
The formula is as follows:
the preparation method is the same as example 2.
EXAMPLE 650% preparation of wettable powder of Briggrin
The formula is as follows:
the preparation method comprises the following steps:
(3) adding the materials into a mixer according to the mass percent of the components and other raw materials, and stirring and mixing for 20 minutes; (2) crushing the uniformly mixed material by using a jet mill, wherein the qualified standard is that the particle size D50 of the material is not more than 15 micrometers; (3) and obtaining the qualified crushed material as the target object.
Comparative example preparation of 350% wettable powder of princess Lingmycin
The formula is as follows:
the preparation method is the same as example 3.
The wettable powder prepared in the examples 4-6 and the comparative examples 2-3 is subjected to detection of various indexes, and the detection results are shown in table 3.
Table 2 detection results of various indexes of wettable powder
Example 710% preparation of aqueous Briggrin
The formula is as follows:
the preparation method comprises the following steps:
(1) adding the materials into a stirring kettle according to the mass percent of the components and other raw materials, dissolving, stirring and mixing for 30 minutes; (2) and filtering the uniformly mixed materials through filter cloth, and removing mechanical impurities to obtain a 10% princess lingmycin aqueous solution.
Example 810% preparation of aqueous Briggrin
The formula is as follows:
the preparation method comprises the following steps:
(2) adding the materials into a stirring kettle according to the mass percent of the components and other raw materials, dissolving, stirring and mixing for 30 minutes; (2) and filtering the uniformly mixed materials through filter cloth, and removing mechanical impurities to obtain a 10% princess lingmycin aqueous solution.
Comparative example preparation of 410% princess Lingmycin aqua
The formula is as follows:
the preparation method is the same as example 4.
The water aqua prepared in examples 7 to 8 and comparative example 4 was tested for each index, and the test results are shown in table 3.
TABLE 3 detection results of various indexes of water aqua
Example 9 field test
Test site: cilin, public main ridge city, south river bend, town elm village;
crop: rice;
the using method comprises the following steps: the preparation prepared by the effective amount of the preparation prepared in the embodiment 1-4 and the comparative example 1-4 is mixed with water and evenly sprayed.
Test area: 50m2Treatment, three replicates.
The control effect on the rice blast of the paddy field is counted 14d after the application, and the test results are shown in a table 4.
TABLE 4 control Effect of the preparations of examples 1 to 8 and comparative examples 1 to 4 on Rice blast of Paddy field
The results show that under the condition of the same dosage of the effective components, the control effect of the preparations of examples 1 to 8 of the invention on the rice blast of paddy fields is 80.8 to 90.6 percent, the control effect of the preparations of comparative examples 1 to 4 is 62.8 to 67.1 percent, and the control effect of the biological agent 2 percent kasugamycin aqueous solution is 73.3 percent. The results show that the prevention effect of the biological agent of the princess ridge mycin prepared by the invention on the rice blast of the paddy field is obviously better than that of the water aqua of the kasugamycin of 1-4 and 2 percent in comparison examples.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A rice field bactericide is characterized by comprising princess ridge mycin, a surfactant and other agriculturally and pharmaceutically acceptable auxiliary agents;
the surfactant is one or more of alkylphenol polyoxyethylene phosphate, alkylaryl sulfonate and tallow amine polyoxyethylene ether;
when the surfactant is a mixture of alkylphenol polyoxyethylene ether phosphate, alkylaryl sulfonate and tallow amine polyoxyethylene ether, the mass ratio of the alkylphenol polyoxyethylene ether phosphate, the alkylaryl sulfonate and the tallow amine polyoxyethylene ether is 2:1: 1;
when the surfactant is a mixture of alkylphenol polyoxyethylene ether phosphate and alkylaryl sulfonate, the mass ratio of the alkylphenol polyoxyethylene ether phosphate to the alkylaryl sulfonate is 4: 1;
when the surfactant is a mixture of alkylphenol polyoxyethylene ether phosphate and tallow amine polyoxyethylene ether, the mass ratio of the alkylphenol polyoxyethylene ether phosphate to the tallow amine polyoxyethylene ether is 1: 1;
when the surfactant is a mixture of alkyl aryl sulfonate and tallow amine polyoxyethylene ether, the mass ratio of the alkyl aryl sulfonate to the tallow amine polyoxyethylene ether is 1: 1;
the surfactant accounts for 1-50% of the weight of the paddy field bactericide.
2. The bactericide for paddy field as claimed in claim 1, wherein the weight percentage of said princess ridge mycin is 1-90% in the bactericide for paddy field.
3. The rice field bactericide as claimed in claim 1 or 2, which is in the form of a suspension, a wettable powder, an aqueous solution.
4. The rice field bactericide as claimed in claim 3, wherein the wettable powder comprises, by mass, 1-50% of tomaymycin, 5-10% of a surfactant, 1-3% of maltose, 1-3% of ascorbic acid, and the balance white carbon black.
5. The rice field bactericide as claimed in claim 3, wherein the suspending agent comprises, in mass%, 1-50% of gemmazolidin, 1-10% of surfactant, 0.1-1% of xanthan gum, 0.1-1% of defoamer and the balance water.
6. The rice field bactericide as claimed in claim 3, wherein the aqueous agent comprises, by mass, 1 to 50% of princess ridge mycin, 5 to 10% of surfactant, 0.1 to 0.3% of antifoaming agent, and the balance of water.
7. Use of the fungicide for paddy field according to any one of claims 1 to 6 for controlling rice blast.
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