CN106508967A - A preparing method of a slow-release composite herbicide - Google Patents
A preparing method of a slow-release composite herbicide Download PDFInfo
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- CN106508967A CN106508967A CN201610914322.6A CN201610914322A CN106508967A CN 106508967 A CN106508967 A CN 106508967A CN 201610914322 A CN201610914322 A CN 201610914322A CN 106508967 A CN106508967 A CN 106508967A
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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
- 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
- A01N63/30—Microbial fungi; Substances produced thereby or obtained therefrom
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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
- 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
- A01N25/08—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 containing solids as carriers or diluents
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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
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
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Abstract
A preparing method of a slow-release composite herbicide is disclosed and belongs to the technical field of herbicide preparation. Maifan stone, a phosphoric acid solution and uric acid are firstly heated, then froze and filtrated; filtration dregs are dried to prepared a carrier; a strain in fresh broad-leaf weeds affected with foliage blight is extracted and cultured in a self-prepared medium; slurry prepared by pulping roots of the fresh broad-leaf weeds and distilled water is adopted as an attractant; the cultured strain is screened; after the culture is finished, the surface of the medium is leached with sterile water and a leaching strain liquid is collected; dextrin, distilled water and poly(vinyl alcohol) form a slow release liquid after heating and melting steps; and the slow release liquid, the strain liquid, the carrier, mesotrione and alkyl polyglucoside are stirred and dried in wind; and a dried product is collected, crushed and sieved to obtain the slow-release composite herbicide. The herbicide has wide-spectrum weeding performance. The drug applying amount is reduced, action time is prolonged, and the herbicide utilization rate is increased so that the herbicide has a high application prospect.
Description
Technical field
The invention discloses a kind of preparation method of sustained release compound herbicide, belongs to herbicide preparing technical field.
Background technology
For improving agriculture work efficiency, liberation agricultural workforce has played great function to conservation tillage.With conservation tillage
There is extension rapidly in the expansion and the continuity of time of implement scale, some zonal crop smotherings, part Weed infestation is on the rise.
Conservation tillage is compared with conventional tillage, processes the means of weeds due to eliminating mouldboard plow and turn over, and earth's surface has improving straw mulching
Or crop straw stubble is retained, so that the weeds in conservation tillage ground occur and endanger increasingly serious, to traditional chemistry
Weeding, mechanically or manually weeding all bring certain difficulty.
Weeds are considered as one of main formidable opponent of serious harm crops.With Planter industry structure adjustment and cropping system
Change, particularly continuously using after chemical herbicide, due to the disappearance of sensitiveness weeds and the survival of tolerant weeds and constantly
Breeding, the change of farmland weed population and the succession of community accelerate, and some secondary weeds are increasingly becoming main weeds, and perennial weeds is
Evil increases.And as China rural and agricultural labour is constantly to second and third industry transfer, farmland management loosens, some areas
Farmland weed is in increase trend.Herbicide becomes the important means of the farmland weeding for reducing labor intensity and improving operating efficiency.
Herbicide is referred to can make weeds that withered medicament thoroughly or selectively occurs, also known as herbicide, eliminating or
Suppress a class material of plant growth.Sodium chlorate therein, borax, arsenate, trichloroacetic acid are for any kind of plant all
Play the role of withered, its effect is affected by herbicide, plant and three factor of environmental condition.It is divided into go out natural disposition and selection by effect
Property herbicide, it is most all effective that selective herbicide is particularly nitrophenol, chlorophenol, carbamic derivative.Remove in the world
Careless agent development is gradually steady, main development efficiently, low toxicity, wide spectrum, the kind of low consumption, the little disposable process of environmental pollution
Agent is increasingly becoming main flow.
Existing herbicide formulation rate is big, and rate of release is too fast, and not enough, that what is prevented and kill off is indifferent for the broad-spectrum action prevented and kill off,
And the herbicide action time is shorter, utilization rate is low, so as to cause residual quantity more, crop and environment can be worked the mischief.
The content of the invention
Present invention mainly solves technical problem：Big for existing herbicide formulation rate, rate of release is too fast, prevents and kill off
Not enough, that what is prevented and kill off is indifferent for broad-spectrum action, and the herbicide action time is shorter, utilization rate is low, so as to cause residual quantity more,
The problem that crop and environment can be worked the mischief, there is provided a kind of preparation method of sustained release compound herbicide, the method is first by wheat
The heated rear freezing processing of meal stone, phosphoric acid solution and uric acid, subsequently filters and for filter residue drying carrier is obtained, then suffered from by extracting
Bacterial classification in the fresh broad leaved weed leaf of dead leaf disease, is cultivated in homemade culture medium, with fresh broad leaved weed root and steaming
Slurries after distilled water defibrination as attractant, screening and culturing bacterial classification, after culture terminates with aseptic water wash media surface simultaneously
Collect drip washing bacterium solution, by dextrin, distilled water and polyvinyl alcohol after heating and melting, formed sustained-release liquid, finally with bacterium solution, carrier,
Mesotrione and alkyl polyglycoside are stirred, are air-dried, and are collected air-dried thing and are simultaneously pulverized and sieved, you can must be sustained compound herbicide, this
Bright preparation technology is easy, and obtained herbicide has the efficient, herbicidal performance of wide spectrum, and herbicide rate of release is moderate, effectively
Reduce formulation rate, extend action time, improve herbicide utilization rate, with great application space.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）In mass ratio 4:6:1, it is that 15% phosphoric acid solution and ammonium urate are put in container to take 50 mesh medical stones, mass fraction, and
Container is placed in microwave applicator, 90～95 DEG C are heated to, 50～70min is incubated, container is placed in into refrigerating chamber while hot subsequently
Interior, design temperature is 2～4 DEG C, is filtered after 20～30min of freezing processing, collects filter residue, is dried 3 in being put into 100 DEG C of baking ovens
～5h, obtains carrier, standby；
（2）In mass ratio 1:2, the fresh broad leaved weed leaf with dead leaf disease and 5% glucose solution of mass fraction is taken, squeezing is put into
Squeezed the juice in juice machine, collect squeezeding juice, count by weight, take 40～50 parts of yeast extracts, 25～30 portions of sucrose, 15～18
Part agar, 6～9 parts of Pidolidones, 2～4 parts of vitamine D3s, 1～2 part of magnesium sulfate, 1～2 part of manganese sulfate and 0.7～1.3 part of phosphorus
Sour hydrogen dipotassium, is well mixed, and is put into sterilizing in high-pressure sterilizing pot, obtains culture medium；
（3）In mass ratio 1～3:10, above-mentioned squeezeding juice is put in above-mentioned culture medium, then culture medium is put into into shaken cultivation case
In, design temperature is 27～34 DEG C, with 150rpm 19～22h of shaken cultivation, in mass ratio 1:3, take fresh broad leaved weed root
Being put in fiberizer with distilled water carries out defibrination, collects slurries, during shaken cultivation, adds in culture medium per 4～5h
The slurries of culture medium quality 5～7%；
（4）After above-mentioned culture terminates, culture medium is taken out, using sterilized water with 2～3mL/s drip washing media surface up to which
Surface sterile silk, collects leacheate, obtains bacterium solution, count by weight, take 50～70 parts of bacterium solutions, 22～24 parts of steps（1）It is standby
Carrier, 9～12 parts of dextrin, 13～15 parts of distilled water, 7～9 parts of polyvinyl alcohol, 4～7 parts of mesotriones and 1～2 part of alkyl are more
Glycosides, it is first that dextrin, distilled water and polyvinyl alcohol is uniform, and 90～95 DEG C are heated to, it is naturally cold after 30～40min of insulation
But to room temperature, bacterium solution, step are added（1）Standby carrier, mesotrione and alkyl polyglycoside, using agitator with 200r/min
20～35min of stirring, is stood 1～2h, is air-dried mixture using air-dry machine, is collected and is air-dried thing and crushed, crosses 150 mesh
Sieve, collects the particle that sieves, you can must be sustained compound herbicide.
The present invention application process be：By the present invention prepare sustained release compound herbicide be well mixed with fertilizer, sow in
Farmland surface, reuses soil and is covered, and cladding thickness is 2～4cm, controls herbicide consumption for 40～55g/ mus.
After testing, obtained in the present invention, herbicide formulation rate is little, and the 45～60% of only common herbicide, herbicidal effect is notable, to broad-leaved
More than 95%, release time extends to more than 350 hours to the prevention effect of weeds, using 60～80 days after, herbicidal effect still reaches
To more than 90%.
The invention has the beneficial effects as follows：
（1）Obtained in of the invention, slow released herbicide effect is good, can effectively extend the lasting period, so as to reduce repetitive administration herbicide
Number of times and consumption, be conducive to control Pesticides Residues；
（2）Herbicide obtained in of the invention is the granule of shaping, improves facility and security that herbicide is used, and this
Bright herbicide has broad-spectrum weed-killing effect, and preventive effect is preferable.
Specific embodiment
First in mass ratio 4:6:1, it is that 15% phosphoric acid solution and ammonium urate are put into container to take 50 mesh medical stones, mass fraction
In, and container is placed in microwave applicator, 90～95 DEG C are heated to, 50～70min are incubated, subsequently while hot container are placed in cold
Hide indoor, design temperature is 2～4 DEG C, is filtered after 20～30min of freezing processing, collect filter residue, be put in 100 DEG C of baking ovens
3～5h is dried, carrier is obtained, it is standby；Subsequent in mass ratio 1:2, take the fresh broad leaved weed leaf with dead leaf disease and mass fraction
5% glucose solution, is squeezed the juice in being put into juice extractor, collect squeezeding juice, count by weight, take 40～50 parts of yeast extracts,
25～30 parts of sucrose, 15～18 parts of agar, 6～9 parts of Pidolidones, 2～4 parts of vitamine D3s, 1～2 part of magnesium sulfate, 1～2 part of sulphur
Sour manganese and 0.7～1.3 part of dipotassium hydrogen phosphate, are well mixed, and are put into sterilizing in high-pressure sterilizing pot, obtain culture medium；Press again
Mass ratio 1～3:10, above-mentioned squeezeding juice is put in above-mentioned culture medium, then culture medium is put in shaken cultivation case, setting temperature
Spend for 27～34 DEG C, with 150rpm 19～22h of shaken cultivation, in mass ratio 1:3, take fresh broad leaved weed root and put with distilled water
Carry out defibrination in entering fiberizer, collect slurries, during shaken cultivation, add culture medium quality 5 per 4～5h in culture medium
～7% slurries；Subsequently after above-mentioned culture terminates, culture medium is taken out, using sterilized water with 2～3mL/s drip washing culture base tables
Face is collected leacheate, obtains bacterium solution, count by weight until its surface sterile silk, take 50～70 parts of bacterium solutions, 22～24 parts it is above-mentioned
The standby carrier of step, 9～12 parts of dextrin, 13～15 parts of distilled water, 7～9 parts of polyvinyl alcohol, 4～7 parts of mesotriones and 1～2
Part alkyl polyglycoside, it is first that dextrin, distilled water and polyvinyl alcohol is uniform, and 90～95 DEG C are heated to, it is incubated 30～40min
After naturally cool to room temperature, add bacterium solution, above-mentioned standby carrier, mesotrione and alkyl polyglycoside, using agitator with
200r/min stirs 20～35min, stands 1～2h, and mixture is air-dried by last air-dry machine, collects and air-dries thing and crushed,
150 mesh sieves are crossed, the particle that sieves is collected, you can compound herbicide must be sustained.
Example 1
First in mass ratio 4:6:1, it is that 15% phosphoric acid solution and ammonium urate are put in container to take 50 mesh medical stones, mass fraction, and
Container is placed in microwave applicator, 90 DEG C are heated to, 50min is incubated, container is placed in into refrigeration interior, setting temperature while hot subsequently
Spend for 2 DEG C, filtered after freezing processing 20min, collect filter residue, 3h is dried in being put into 100 DEG C of baking ovens, obtains carrier, it is standby；With
Afterwards in mass ratio 1:2, the fresh broad leaved weed leaf with dead leaf disease and 5% glucose solution of mass fraction is taken, is put in juice extractor
Squeezed the juice, collect squeezeding juice, count by weight, take 40 parts of yeast extracts, 25 parts of sucrose, 15 parts of agar, 6 parts of L- paddy ammonia
Acid, 2 parts of vitamine D3s, 1 part of magnesium sulfate, 1 part of manganese sulfate and 0.7 part of dipotassium hydrogen phosphate, are well mixed, and are put into high-pressure sterilizing pot
Middle sterilizing, obtains culture medium；Again in mass ratio 1:10, above-mentioned squeezeding juice is put in above-mentioned culture medium, then culture medium is put
Enter in shaken cultivation case, design temperature is 27 DEG C, with 150rpm shaken cultivations 19h, in mass ratio 1:3, take fresh broad leaved weed
Root carries out defibrination in being put into fiberizer with distilled water, collect slurries, during shaken cultivation, adds in culture medium per 4h
The slurries of culture medium quality 5%；Subsequently after above-mentioned culture terminates, culture medium is taken out, trained with 2mL/s drip washing using sterilized water
Foster primary surface is until its surface sterile silk, collects leacheate, obtain bacterium solution, count by weight, take 50 parts of bacterium solutions, 22 parts of above-mentioned steps
Rapid standby carrier, 9 parts of dextrin, 13 parts of distilled water, 7 parts of polyvinyl alcohol, 4 parts of mesotriones and 1 part of alkyl polyglycoside, first will paste
Essence, distilled water and polyvinyl alcohol are uniform, and are heated to 90 DEG C, naturally cool to room temperature, add bacterium after insulation 30min
Liquid, above-mentioned standby carrier, mesotrione and alkyl polyglycoside, stir 20min using agitator with 200r/min, stand 1h, most
Mixture is air-dried by air-dry machine afterwards, is collected and is air-dried thing and crushed, cross 150 mesh sieves, collects the particle that sieves, you can must be sustained multiple
Close herbicide.
This example operation is easy, during use, sustained release compound herbicide prepared by the present invention is well mixed with fertilizer, is sowed
In farmland surface, reuse soil and covered, cladding thickness is 2cm, herbicide consumption is controlled for 40g/ mus.Jing is examined
Survey, obtained in the present invention, herbicide formulation rate is little, the 45% of only common herbicide, herbicidal effect significantly, is prevented to broad leaved weed
Effect is controlled 96%, release time extends to 360 hours, and after 60 days, herbicidal effect still reaches 92%.
Example 2
First in mass ratio 4:6:1, it is that 15% phosphoric acid solution and ammonium urate are put in container to take 50 mesh medical stones, mass fraction, and
Container is placed in microwave applicator, 93 DEG C are heated to, 60min is incubated, container is placed in into refrigeration interior, setting temperature while hot subsequently
Spend for 3 DEG C, filtered after freezing processing 25min, collect filter residue, 4h is dried in being put into 100 DEG C of baking ovens, obtains carrier, it is standby；With
Afterwards in mass ratio 1:2, the fresh broad leaved weed leaf with dead leaf disease and 5% glucose solution of mass fraction is taken, is put in juice extractor
Squeezed the juice, collect squeezeding juice, count by weight, take 45 parts of yeast extracts, 28 parts of sucrose, 16 parts of agar, 8 parts of L- paddy ammonia
Acid, 3 parts of vitamine D3s, 1.5 parts of magnesium sulfate, 1.5 parts of manganese sulfates and 1.0 parts of dipotassium hydrogen phosphates, are well mixed, and are put into high pressure and go out
Sterilizing in bacterium pot, obtains culture medium；Again in mass ratio 2:10, above-mentioned squeezeding juice is put in above-mentioned culture medium, then will culture
Base is put in shaken cultivation case, and design temperature is 30 DEG C, with 150rpm shaken cultivations 21h, in mass ratio 1:3, take fresh broad-leaved
Weeds root carries out defibrination in being put into fiberizer with distilled water, collect slurries, during shaken cultivation, per 4.5h to culture medium
The middle slurries for adding culture medium quality 6%；Subsequently after above-mentioned culture terminates, culture medium is taken out, using sterilized water with 2.5mL/
S drip washing media surface is collected leacheate, obtains bacterium solution, count by weight until its surface sterile silk, take 60 parts of bacterium solutions, 23
The standby carrier of part above-mentioned steps, 10 parts of dextrin, 14 parts of distilled water, 8 parts of polyvinyl alcohol, 6 parts of mesotriones and 1.5 parts of alkyl are more
Glycosides, it is first that dextrin, distilled water and polyvinyl alcohol is uniform, and 93 DEG C are heated to, room is naturally cooled to after insulation 35min
Temperature, adds bacterium solution, above-mentioned standby carrier, mesotrione and alkyl polyglycoside, is stirred with 200r/min using agitator
27min, stands 1.5h, and mixture is air-dried by last air-dry machine, collects and air-dries thing and crushed, crosses 150 mesh sieves, and collection is sieved
Particle, you can compound herbicide must be sustained.
This example operation is easy, during use, sustained release compound herbicide prepared by the present invention is well mixed with fertilizer, is sowed
In farmland surface, reuse soil and covered, cladding thickness is 4cm, herbicide consumption is controlled for 55g/ mus.Jing is examined
Survey, obtained in the present invention, herbicide formulation rate is little, the 53% of only common herbicide, herbicidal effect significantly, is prevented to broad leaved weed
Effect is controlled 97%, release time extends to 370 hours, and after 70 days, herbicidal effect still reaches 93%.
Example 3
First in mass ratio 4:6:1, it is that 15% phosphoric acid solution and ammonium urate are put in container to take 50 mesh medical stones, mass fraction, and
Container is placed in microwave applicator, 95 DEG C are heated to, 70min is incubated, container is placed in into refrigeration interior, setting temperature while hot subsequently
Spend for 4 DEG C, filtered after freezing processing 30min, collect filter residue, 5h is dried in being put into 100 DEG C of baking ovens, obtains carrier, it is standby；With
Afterwards in mass ratio 1:2, the fresh broad leaved weed leaf with dead leaf disease and 5% glucose solution of mass fraction is taken, is put in juice extractor
Squeezed the juice, collect squeezeding juice, count by weight, take 50 parts of yeast extracts, 30 parts of sucrose, 18 parts of agar, 9 parts of L- paddy ammonia
Acid, 4 parts of vitamine D3s, 2 parts of magnesium sulfate, 2 parts of manganese sulfates and 1.3 parts of dipotassium hydrogen phosphates, are well mixed, and are put into high-pressure sterilizing pot
Middle sterilizing, obtains culture medium；Again in mass ratio 3:10, above-mentioned squeezeding juice is put in above-mentioned culture medium, then culture medium is put
Enter in shaken cultivation case, design temperature is 34 DEG C, with 150rpm shaken cultivations 22h, in mass ratio 1:3, take fresh broad leaved weed
Root carries out defibrination in being put into fiberizer with distilled water, collect slurries, during shaken cultivation, adds in culture medium per 5h
The slurries of culture medium quality 7%；Subsequently after above-mentioned culture terminates, culture medium is taken out, trained with 3mL/s drip washing using sterilized water
Foster primary surface is until its surface sterile silk, collects leacheate, obtain bacterium solution, count by weight, take 70 parts of bacterium solutions, 24 parts of above-mentioned steps
Rapid standby carrier, 12 parts of dextrin, 15 parts of distilled water, 9 parts of polyvinyl alcohol, 7 parts of mesotriones and 2 parts of alkyl polyglycosides, first will
Dextrin, distilled water and polyvinyl alcohol are uniform, and are heated to 95 DEG C, naturally cool to room temperature, add bacterium after insulation 40min
Liquid, above-mentioned standby carrier, mesotrione and alkyl polyglycoside, stir 35min using agitator with 200r/min, stand 2h, most
Mixture is air-dried by air-dry machine afterwards, is collected and is air-dried thing and crushed, cross 150 mesh sieves, collects the particle that sieves, you can must be sustained multiple
Close herbicide.
This example operation is easy, during use, sustained release compound herbicide prepared by the present invention is well mixed with fertilizer, is sowed
In farmland surface, reuse soil and covered, cladding thickness is 3cm, herbicide consumption is controlled for 48g/ mus.Jing is examined
Survey, obtained in the present invention, herbicide formulation rate is little, the 60% of only common herbicide, herbicidal effect significantly, is prevented to broad leaved weed
Effect is controlled 98%, release time extends to 370 hours, and after 80 days, herbicidal effect still reaches 94%.
Claims (1)
1. a kind of preparation method of sustained release compound herbicide, it is characterised in that concrete preparation process is：
（1）In mass ratio 4:6:1, it is that 15% phosphoric acid solution and ammonium urate are put in container to take 50 mesh medical stones, mass fraction, and
Container is placed in microwave applicator, 90～95 DEG C are heated to, 50～70min is incubated, container is placed in into refrigerating chamber while hot subsequently
Interior, design temperature is 2～4 DEG C, is filtered after 20～30min of freezing processing, collects filter residue, is dried 3 in being put into 100 DEG C of baking ovens
～5h, obtains carrier, standby；
（2）In mass ratio 1:2, the fresh broad leaved weed leaf with dead leaf disease and 5% glucose solution of mass fraction is taken, squeezing is put into
Squeezed the juice in juice machine, collect squeezeding juice, count by weight, take 40～50 parts of yeast extracts, 25～30 portions of sucrose, 15～18
Part agar, 6～9 parts of Pidolidones, 2～4 parts of vitamine D3s, 1～2 part of magnesium sulfate, 1～2 part of manganese sulfate and 0.7～1.3 part of phosphorus
Sour hydrogen dipotassium, is well mixed, and is put into sterilizing in high-pressure sterilizing pot, obtains culture medium；
（3）In mass ratio 1～3:10, above-mentioned squeezeding juice is put in above-mentioned culture medium, then culture medium is put into into shaken cultivation case
In, design temperature is 27～34 DEG C, with 150rpm 19～22h of shaken cultivation, in mass ratio 1:3, take fresh broad leaved weed root
Being put in fiberizer with distilled water carries out defibrination, collects slurries, during shaken cultivation, adds in culture medium per 4～5h
The slurries of culture medium quality 5～7%；
（4）After above-mentioned culture terminates, culture medium is taken out, using sterilized water with 2～3mL/s drip washing media surface up to which
Surface sterile silk, collects leacheate, obtains bacterium solution, count by weight, take 50～70 parts of bacterium solutions, 22～24 parts of steps（1）It is standby
Carrier, 9～12 parts of dextrin, 13～15 parts of distilled water, 7～9 parts of polyvinyl alcohol, 4～7 parts of mesotriones and 1～2 part of alkyl are more
Glycosides, it is first that dextrin, distilled water and polyvinyl alcohol is uniform, and 90～95 DEG C are heated to, it is naturally cold after 30～40min of insulation
But to room temperature, bacterium solution, step are added（1）Standby carrier, mesotrione and alkyl polyglycoside, using agitator with 200r/min
20～35min of stirring, is stood 1～2h, is air-dried mixture using air-dry machine, is collected and is air-dried thing and crushed, crosses 150 mesh
Sieve, collects the particle that sieves, you can must be sustained compound herbicide.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513976A (en) * | 2018-03-28 | 2018-09-11 | 方建波 | A kind of preparation method of granular pesticide |
| CN113860951A (en) * | 2021-10-13 | 2021-12-31 | 山东荣华生物科技股份有限公司 | Foliar fertilizer for improving resistance and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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