CN108552250A - A kind of compound botanical insecticide and preparation method thereof with regulatory function - Google Patents

A kind of compound botanical insecticide and preparation method thereof with regulatory function Download PDF

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Publication number
CN108552250A
CN108552250A CN201810466473.9A CN201810466473A CN108552250A CN 108552250 A CN108552250 A CN 108552250A CN 201810466473 A CN201810466473 A CN 201810466473A CN 108552250 A CN108552250 A CN 108552250A
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parts
compound
plant
missible oil
essential oil
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吴长应
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Wuhu Yangzhan New Material Technology Service Co Ltd
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Wuhu Yangzhan New Material Technology Service 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • 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
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A01N33/18—Nitro compounds
    • A01N33/20—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group
    • A01N33/22—Nitro compounds containing oxygen or sulfur attached to the carbon skeleton containing the nitro group having at least one oxygen or sulfur atom and at least one nitro group directly attached to the same aromatic ring system
    • 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
    • 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
    • A01N43/06—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 five-membered rings
    • A01N43/12—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 five-membered rings condensed with a carbocyclic 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • 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
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/06—Coniferophyta [gymnosperms], e.g. cypress
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/22—Lamiaceae or Labiatae [Mint family], e.g. thyme, rosemary, skullcap, selfheal, lavender, perilla, pennyroyal, peppermint or spearmint
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/24—Lauraceae [Laurel family], e.g. laurel, avocado, sassafras, cinnamon or camphor
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/40—Liliopsida [monocotyledons]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Pest Control & Pesticides (AREA)
  • Botany (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of compound botanical insecticides with regulatory function, including following component：25 35 parts of calamus, 15 25 parts of yellow cinnamon leaf, 12 18 parts of allicin, 46 parts of Celastrus angulatus missible oil, 58 parts of matrine missible oil, 35 parts of jervine alcoholic solution, 8 12 parts of plant anti-mildew ingredient, 30 40 parts of potassium fulvate, 0.8 1.2 parts of compound sodium nitrophenolate, plant compound 24 parts of essential oil.The compound botanical insecticidal formulation of the present invention is reasonable, using the compoundings such as active components of plants and allicin, plant anti-mildew ingredient, potassium fulvate, dosage reduces, reduce cost, it is environmentally safe, not only insecticidal effect is preferable, also has preferable effect to improving plant or crops quality and growth.

Description

A kind of compound botanical insecticide and preparation method thereof with regulatory function
Technical field
The invention belongs to technical field of pesticide, and in particular to a kind of compound botanical insecticide and its system with regulatory function Preparation Method.
Background technology
Insecticide is a kind of special product, it can prevent agricultural pest and disease damage, also can be to making while killing off the insect pests The growth of object generates harm；And commonly using insecticide or it is an excess amount of use insecticide, to the growing environment and work of crop All it is a kind of burden for object itself, fights the enemy 1,000 from damage 800 although not reaching, nocuity is still very big and right People and animals, environment are also a kind of injury.
Invention content
In view of the foregoing, it is an object to provide a kind of compound botanical insecticide with regulatory function and its Preparation method, compound botanical insecticidal formulation is reasonable, and the more existing insecticide of dosage reduces, and insecticidal effect is preferable, to changing Kind and raising plant or crops quality and growth also have preferable effect, and preparation method is simple, easily operated.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of compound botanical with regulatory function kills Worm agent is made of the raw material of following parts by weight：
25-35 parts of calamus, 15-25 parts of yellow cinnamon leaf, 12-18 parts of allicin, 4-6 parts of Celastrus angulatus missible oil, matrine missible oil 5-8 parts, 3-5 parts of jervine alcoholic solution, 8-12 parts of plant anti-mildew ingredient, 30-40 parts of potassium fulvate, 0.8-1.2 parts of compound sodium nitrophenolate, Plant compounds 2-4 parts of essential oil.
The plant anti-mildew ingredient is the mixing of taraxol extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract Object；Wherein, the weight proportion of taraxol extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract is 1：(0.5-0.8)： (0.8-1.0)。
The plant compounding essential oil is the compound of peppermint flower essential oil and deodar essential oil；Wherein, peppermint flower essential oil and deodar The weight proportion of essential oil is (0.8-1.2)：1.
The Celastrus angulatus missible oil is 1% Celastrus angulatus missible oil, and matrine missible oil is 0.38% matrine missible oil, jervine Alcoholic solution is 0.5% jervine alcoholic solution.
The above-mentioned rice with regulatory function compound botanical insecticide, including following preparation process：
(1) according to formula rate, calamus and yellow cinnamon leaf are weighed, cleaning shreds to obtain mixed material after drying, by mixed material 6-10h is impregnated in water, is heated to 90-100 DEG C, extraction 2 times, the 1st time plus 20-30 times is decocted and measures water, extracts 2-3h, the 2nd time Add 15-25 times to measure water, extract 1.5-2.5h, four layers of gauze filtration, merging filtrate, filtrate are concentrated into mixed material weight every time 4-7 times, filtering is spare；
(2) according to formula rate, allicin, Celastrus angulatus missible oil, matrine missible oil, jervine alcoholic solution, plant are weighed Anti-mildew ingredient and plant compound essential oil, are added in the concentrate obtained by step (1), are uniformly mixed after mixing；
(3) according to formula rate, potassium fulvate and compound sodium nitrophenolate are added in the mixed liquor obtained by step (2), stirring is mixed It closes uniform；
(4) mixture obtained by step (3) is crushed with airslide disintegrating mill, then test package finished product.
In use, the clear water dilution of 80-100 times of addition is i.e. sprayable into above-mentioned prepared compound botanical insecticide, And it is generally used in flowers, plants and trees seedling early growth period, it is used in conjunction 2-3 times, every minor tick 7-10 days, control effect is more satisfactory.
Beneficial effects of the present invention：The compound botanical insecticidal formulation of the present invention is reasonable, using active components of plants and greatly Compoundings, the dosages such as allicin, plant anti-mildew ingredient, potassium fulvate reduce for existing insecticide, and reduce cost, Environmentally safe, not only insecticidal effect is preferable, also has preferable effect to improving plant or crops quality and growth Fruit；Meanwhile preparation method is simple, it is easily operated.
Specific implementation mode
Below in conjunction with specific embodiment, the invention will be further described, but protection scope of the present invention is not limited to following reality Apply example.In embodiment, all raw materials are commercially available product.
Embodiment 1
A kind of compound botanical insecticide with regulatory function, is made of the raw material of following parts by weight：
33 parts of calamus, 22 parts of yellow cinnamon leaf, 16 parts of allicin, 5 parts of Celastrus angulatus missible oil, 6 parts of matrine missible oil, jervine alcohol 4 parts of solution, 10 parts of plant anti-mildew ingredient, 36 parts of potassium fulvate, 1.0 parts of compound sodium nitrophenolate, plant compound 4 parts of essential oil.
The plant anti-mildew ingredient is the mixing of taraxol extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract Object；Wherein, the weight proportion of taraxol extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract is 1：0.5：1.0.
The plant compounding essential oil is the compound of peppermint flower essential oil and deodar essential oil；Wherein, peppermint flower essential oil and deodar The weight proportion of essential oil is 1：1.
The Celastrus angulatus missible oil is 1% Celastrus angulatus missible oil, and matrine missible oil is 0.38% matrine missible oil, jervine Alcoholic solution is 0.5% jervine alcoholic solution.
The above-mentioned compound botanical insecticide with regulatory function, including following preparation process：
(1) according to formula rate, calamus and yellow cinnamon leaf are weighed, cleaning shreds to obtain mixed material after drying, by mixed material 8h is impregnated in water, is heated to 100 DEG C, decocts 2 times, the 1st time plus 26 times amount water of extraction, extracts 3h, the 2nd time plus 22 times amount water, 2h is extracted, four layers of gauze filtration, merging filtrate, filtrate are concentrated into 5 times of mixed material weight every time, filter, spare；
(2) according to formula rate, allicin, Celastrus angulatus missible oil, matrine missible oil, jervine alcoholic solution, plant are weighed Anti-mildew ingredient and plant compound essential oil, are added in the concentrate obtained by step (1), are uniformly mixed after mixing；
(3) according to formula rate, potassium fulvate and compound sodium nitrophenolate are added in the mixed liquor obtained by step (2), stirring is mixed It closes uniform；
(4) mixture obtained by step (3) is crushed with airslide disintegrating mill, then test package finished product.
In use, 90 times of clear water dilution is added into above-mentioned prepared rice compound botanical insecticide to spray It spills, and is generally used in flowers, plants and trees seedling early growth period, be used in conjunction 3 times, every minor tick 10 days, control effect 83.1%.
Embodiment 2
A kind of compound botanical insecticide with regulatory function, is made of the raw material of following parts by weight：
35 parts of calamus, 23 parts of yellow cinnamon leaf, 16 parts of allicin, 5 parts of Celastrus angulatus missible oil, 7 parts of matrine missible oil, jervine alcohol 4 parts of solution, 10 parts of plant anti-mildew ingredient, 38 parts of potassium fulvate, 1.0 parts of compound sodium nitrophenolate, plant compound 4 parts of essential oil..
The plant anti-mildew ingredient is the mixing of taraxol extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract Object；Wherein, the weight proportion of taraxol extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract is 1：0.6：0.9.
The plant compounding essential oil is the compound of peppermint flower essential oil and deodar essential oil；Wherein, peppermint flower essential oil and deodar The weight proportion of essential oil is 1.2：1.
The Celastrus angulatus missible oil is 1% Celastrus angulatus missible oil, and matrine missible oil is 0.38% matrine missible oil, jervine Alcoholic solution is 0.5% jervine alcoholic solution.
The above-mentioned compound botanical insecticide with regulatory function, including following preparation process：
(1) according to formula rate, calamus and yellow cinnamon leaf are weighed, cleaning shreds to obtain mixed material after drying, by mixed material 10h is impregnated in water, is heated to 100 DEG C, decocts 2 times, the 1st time plus 30 times amount water of extraction, extracts 3h, the 2nd time plus 25 times amount water, 2.5h is extracted, four layers of gauze filtration, merging filtrate, filtrate are concentrated into 6 times of mixed material weight every time, filter, spare；
(2) according to formula rate, allicin, Celastrus angulatus missible oil, matrine missible oil, jervine alcoholic solution, plant are weighed Anti-mildew ingredient and plant compound essential oil, are added in the concentrate obtained by step (1), are uniformly mixed after mixing；
(3) according to formula rate, potassium fulvate and compound sodium nitrophenolate are added in the mixed liquor obtained by step (2), stirring is mixed It closes uniform；
(4) mixture obtained by step (3) is crushed with airslide disintegrating mill, then test package finished product.
In use, the clear water dilution of 100 times of addition is i.e. sprayable into above-mentioned prepared compound botanical insecticide, and It is generally used in flowers, plants and trees seedling early growth period, is used in conjunction 3 times, every minor tick 10 days, control effect 83.9%.

Claims (5)

1. a kind of compound botanical insecticide with regulatory function, which is characterized in that be made of the raw material of following parts by weight：Calamus 25-35 parts, 15-25 parts of yellow cinnamon leaf, 12-18 parts of allicin, 4-6 parts of Celastrus angulatus missible oil, 5-8 parts of matrine missible oil, jervine 3-5 parts of alcoholic solution, 8-12 parts of plant anti-mildew ingredient, 30-40 parts of potassium fulvate, 0.8-1.2 parts of compound sodium nitrophenolate, plant compound essential oil 2-4 parts.
2. a kind of compound botanical insecticide with regulatory function according to claim, which is characterized in that the plant Anti-mildew ingredient be taraxol extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract mixture；Wherein, taraxol The weight proportion of extract, dwarf sheareria herb alcohol extracting thing and chrysanthemol extract is 1：(0.5-0.8)：(0.8-1.0).
3. a kind of compound botanical insecticide with regulatory function according to claim, which is characterized in that the plant Compound the compound that essential oil is peppermint flower essential oil and deodar essential oil；Wherein, the weight proportion of peppermint flower essential oil and deodar essential oil is (0.8-1.2)：1.
4. a kind of compound botanical insecticide with regulatory function according to claim, which is characterized in that the hardship skin Rattan element missible oil is 1% Celastrus angulatus missible oil, and matrine missible oil is 0.38% matrine missible oil, and jervine alcoholic solution is 0.5% lamb's-quarters Reed alkali alcoholic solution.
5. a kind of compound botanical insecticide with regulatory function, feature exist according to any one of claims 1-4 In, including following preparation process：
(1) according to formula rate, calamus and yellow cinnamon leaf are weighed, cleaning shreds to obtain mixed material after drying, by mixed material in water Middle immersion 6-10h, is heated to 90-100 DEG C, decocts extraction 2 times, the 1st time plus 20-30 times and measures water, extracts 2-3h, the 2nd time plus 15- 25 times of amount water, extract 1.5-2.5h, and four layers of gauze filtration, merging filtrate, filtrate are concentrated into the 4-7 of mixed material weight every time Times, filtering is spare；
(2) according to formula rate, allicin, Celastrus angulatus missible oil, matrine missible oil, jervine alcoholic solution, plant anti-mildew are weighed Ingredient and plant compound essential oil, are added in the concentrate obtained by step (1), are uniformly mixed after mixing；
(3) according to formula rate, potassium fulvate and compound sodium nitrophenolate are added in the mixed liquor obtained by step (2), is stirred It is even；
(4) mixture obtained by step (3) is crushed with airslide disintegrating mill, then test package finished product.
CN201810466473.9A 2018-05-16 2018-05-16 A kind of compound botanical insecticide and preparation method thereof with regulatory function Withdrawn CN108552250A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109566659A (en) * 2018-12-21 2019-04-05 河北省农林科学院石家庄果树研究所 A kind of pear tree insecticide and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109566659A (en) * 2018-12-21 2019-04-05 河北省农林科学院石家庄果树研究所 A kind of pear tree insecticide and preparation method thereof

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