CN108041083A - A kind of plant source pesticide synergist and its application - Google Patents
A kind of plant source pesticide synergist and its application Download PDFInfo
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- CN108041083A CN108041083A CN201711477804.0A CN201711477804A CN108041083A CN 108041083 A CN108041083 A CN 108041083A CN 201711477804 A CN201711477804 A CN 201711477804A CN 108041083 A CN108041083 A CN 108041083A
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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
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
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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
- A01N47/02—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 no bond to a nitrogen atom
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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
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
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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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing heterocyclic radicals
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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
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/20—Fabaceae or Leguminosae [Pea or Legume family], e.g. pea, lentil, soybean, clover, acacia, honey locust, derris or millettia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/48—Fabaceae or Leguminosae (Pea or Legume family); Caesalpiniaceae; Mimosaceae; Papilionaceae
- A61K36/481—Astragalus (milkvetch)
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/30—Extraction of the material
- A61K2236/33—Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/30—Extraction of the material
- A61K2236/37—Extraction at elevated pressure or temperature, e.g. pressurized solvent extraction [PSE], supercritical carbon dioxide extraction or subcritical water extraction
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Abstract
The invention discloses a kind of plant source pesticide synergist, the component of the synergist includes legume astragatus complanatus extract.Astragatus complanatus extract is prepared using solvent extraction method or supercritical fluid extraction.Application of this plant source pesticide synergist in terms of chemical pesticide synergy, it can reduce the usage amount of chemical pesticide when reaching identical control effect at double to having good synergistic effect to pyrethroid insecticides, organophosphorus insecticide, carbamate insecticides, anabasine insecticide, pyrrole insecticides, Insecticidal pyrazolines, the polytype chemical insecticide of pyridines agrochemical.In addition, plant source pesticide synergist of the present invention is to safety of human and livestock, environmental-friendly, beneficial to the comprehensive utilization for realizing astragatus complanatus.
Description
Technical field
The invention belongs to technical field of pesticide, and in particular to a kind of plant source pesticide synergist.The present invention gives this
Application of the plant source pesticide synergist in terms of chemical pesticide synergy.
Background technology
The development of agricultural be unable to do without pesticide, but pesticide also gives nature ring while major contribution is made to agricultural development
Border brings harm.In recent years, due to the abuse of chemical pesticide, add the resistance to the action of a drug of pest, cause pesticide dosage and time
Number is continuously increased, and has been further exacerbated by environmental pollution and ecological disruption, has been caused vicious circle, has seriously endangered the life of the mankind
Living and health.According to relevant report, in the application of pesticide, only about 5% plays its due effect, and most agricultures
Medicine is lost in the ambient enviroments such as water and soil, causes environmental hazard.Pesticide efficacy how is improved, reduces pesticide in non-target
Mark the injected volume in environment, it has also become China's pesticide subject urgent problem to be solved, the research of pesticide reasonable employment technology is mesh
One of hot spot of preceding Pesticide Science research.
It is endangered although people have progressively recognized using chemical pesticide to caused by environment and food security, simultaneously people
Will also recognize that the use of chemical pesticide is indispensable in agricultural production at this stage.But restrict botanical pesticide production
The biggest obstacle of industry is that the active constituent content of itself is low, active not strong enough, and field control effect is difficult to reach requirement.
The Main way of botanical pesticide research in recent years is concentrated on finds that desinsection, sterilization are lived from Plant Secondary Metabolites
Property ingredient, less focus on from plant searching pesticide synergistic ingredient.The research of plant source synergist is no lack of successful example, than
Such as, sesame oil has good synergistic effect to chrysanthemum ester insecticide；Sophora alopecuroides extract can improve a variety of organophosphorus insecticides
Insecticidal effect.Although plant source synergist does not have desinsection, bactericidal activity in itself, chemical pesticide can be greatly improved
Desinsection, bactericidal activity, so as to achieve the purpose that reduce chemical pesticide usage amount.
The content of the invention
With people's environmental protection, the enhancing of social sustainable development consciousness, the side effect of pesticide is minimized, realizes chemistry
The reasonable employment of pesticide has become global common recognition.Using various synergist in the application of pesticide, pesticide spray is improved
Utilization rate, raising drug effect, the usage amount of reduction pesticide during spilling also are a kind of solution methods of practicable.Based on this
One Research Thinking, the present invention provides a kind of plant source pesticide synergists.This plant source pesticide synergist is to pyrethroid
Insecticides, organophosphorus insecticide, carbamate insecticides, anabasine insecticide, pyrrole insecticides, pyrazoles
Insecticide, the polytype chemical insecticide of pyridines agrochemical have good synergistic effect, and to non-target organism
And Environmental security, the worry of noresidue residual hazard.
Specifically, plant source pesticide synergist of the present invention, the component of synergist include the flat stem of legume
Astragalus Root P.E.The acquisition raw material of astragatus complanatus extract can be the root, stem, leaf of astragatus complanatus, can also use flat stem Huang
The whole strain of stilbene.It is pointed out that the plant source pesticide synergist can solely be extracted containing the astragatus complanatus
Object；Or the mixture or composition of the astragatus complanatus extract and auxiliary agent, carrier etc.；Or the astragatus complanatus extraction
The composition of object and other active ingredient.
Astragatus complanatus (Astragalus complanatus R.Ex Bge.) also known as great Sha asters, climing Radix Astragali, are at summer yellow grass
Pulse family Astragalus.Its seed is used as medicine, the entitled complanate astragalus seed of medicinal material, has the function of kidney tonifying, controlling nocturnal emission with astringent drugs, contracting urine, nourishes the liver to improve visual acuity,
For treat dizzy blurred vision, soreness and weakness of waist and knees, enuresis frequent micturition, the heeltap not to the utmost, the diseases such as premature ejaculation of passing out semen.Astragatus complanatus is a kind of extensive
The wild herb in China North China, northeast is distributed in, is planted in weinan area as Chinese medicine large area, seed
As Chinese medicine " semen astragali complanati ".Meanwhile astragatus complanatus is also a kind of ox, the feed of sheep eating, nutritive value is higher than clover.It receives
The astragatus complanatus stalk of complete seed, rhizome except it is a small amount of as livestock store away in winter feed in addition to, mostly as agricultural wastes.At this
In invention, the astragatus complanatus extract is preferably the extract of astragatus complanatus whole plant.In other embodiment, it is excellent
Selection of land, the astragatus complanatus extract are the extract of raw material with Astragalus complanatus (seed of astragatus complanatus).
On the preparation method of the astragatus complanatus extract, the preparation method of the invention to astragatus complanatus extract is not
It is particularly limited.Plant source pesticide synergist provided by the invention is with astragatus complanatus plant (including stem, Ye Hegen) for original
Material after dried and crushed, can pass through flooding, organic solvent extraction, supercritical fluid extraction or other conventional modes
It obtains.
Organic solvent extraction can be as one of preferred embodiment for obtaining the astragatus complanatus extract, and operating process is big
It causes as follows：Dried astragatus complanatus is crushed, gained crushed material is extracted with organic solvent, recycles the organic solvent in leaching liquor,
The concentrate of the astragatus complanatus extract is obtained to get the astragatus complanatus extract.Organic solvent of the present invention is preferred
It is one kind in methanol, ethyl alcohol, chloroform, acetone, ethyl acetate or its mixture or other can to obtain the flat stem yellow
The organic solvent of stilbene extract.
Supercritical fluid extraction can also serve as obtaining one of preferred embodiment of the astragatus complanatus extract, operation
Process approximately as：Dried astragatus complanatus will be crushed to be placed in extraction kettle, extractant selects carbon dioxide, extracting pressure
Carbon dioxide is recovered under reduced pressure to get described after the completion of extraction in 15~30MPa, 40~60 DEG C, 2~6h of extraction time of extraction temperature
Astragatus complanatus extract.
On the other hand, the present invention gives the plant source pesticide synergist answering in terms of chemical pesticide synergy
With.Chemical pesticide is widely used among agricultural production, has the insect pest of regulation and control agricultural production, adjusts the works such as animal and plant growth
With.Therefore, chemical pesticide of the present invention have most wide the connotation and extension, including insecticide, fungicide, herbicide and
Plant growth regulator etc.；Meanwhile chemical pesticide refers to the work with functions such as desinsection, sterilization, weeding, coordinate plant growths
Property ingredient or include the preparation of the active ingredient.
One of application mode preferably as plant source pesticide synergist, the plant source pesticide synergist and chemistry
Pesticide is now with the current.This mode is more convenient to carry out, if before chemical pesticide spraying by appoint it is possible in a manner of by plant source
Pesticide synergistic agent is homogenously mixed together with chemical pesticide.It is further preferred that the plant source pesticide synergist is spraying
It is added to before applying with barrel mixed form in the dilution of chemical pesticide.
One of application mode preferably as plant source pesticide synergist, the plant source pesticide synergist and chemistry
Pesticide processing is into applying after agriculturally acceptable preparation.This mode is related to the processing of pesticidal preparations, to the common of this field
For technical staff, in addition to plant source pesticide synergist and chemical pesticide, it is likely that also need to select suitable auxiliary agent or load
Body.It is further preferred that plant source pesticide synergist provided by the invention can be processed into chemical pesticide missible oil, aqueous emulsion,
The conventional pesticides preparation such as suspending agent.
It is found through the rigorous research and development of inventor, the plant source pesticide synergist is to pyrethroid insecticides, organic
Phosphorus pesticide, carbamate insecticides, anabasine insecticide, pyrrole insecticides, Insecticidal pyrazolines, pyridines
The polytype chemical insecticide of agrochemical has good synergistic effect, can be at double when reaching identical control effect
Reduce the usage amount of chemical pesticide.
Plant source pesticide synergist of the present invention and its application, at least have the advantages that following advantageous effects or.
(1) plant source pesticide synergist, the component of synergist includes legume astragatus complanatus extract, right
Pyrethroid insecticides, organophosphorus insecticide, carbamate insecticides, anabasine insecticide, pyrroles, pyrazoles,
The polytype chemical insecticide of pyridines agrochemical has good synergistic effect.The plant source pesticide synergist with
After a variety of chemical pesticide mixtures, pesticide efficacy is significantly improved, reduces pesticide dosage.
(2) vegetable material of the astragatus complanatus as extraction plant source pesticide synergist, has as cattle and sheep feed and goes through for many years
History, to safety of human and livestock, environmental-friendly, astragatus complanatus complete stool is the plant in nature, therefore its extract is under field conditions (factors)
It is easily decomposes, to the ecology erroneous zone of environment and surrounding, without problem of environmental pollution.The plant source pesticide synergist
Raw material belongs to Chinese medicine discarded object, by astragatus complanatus exploitation into plant source pesticide synergist, beneficial to the synthesis for realizing astragatus complanatus
It utilizes.
(3) astragatus complanatus is distributed or cultivates on China Jilin, Liaoning, Hebei, Shanxi, Shaanxi and the Inner Mongol and other places
Plantation, raw material sources enrich, cheap, and astragatus complanatus extract obtains mild condition, before having good marketization development
Scape.
The present invention is further described in the examples below, without being intended to limit as indicated in claim in any form
Protection scope of the present invention.
Specific embodiment
Embodiment 1
Plant source pesticide synergist provided in this embodiment for raw material, is made with astragatus complanatus plant (including stem, Ye Hegen)
The standby astragatus complanatus extract.
(1) astragatus complanatus extract preparation method one
The astragatus complanatus plant for weighing 100g dried and crusheds is placed in 5L extraction kettles, adds in 2.5 kilograms of methanol, refluxing extraction 2
~3 it is small when, be concentrated under reduced pressure removing solvent up to astragatus complanatus extract.
(2) astragatus complanatus extract preparation method two
The astragatus complanatus plant for weighing 100g dried and crusheds is placed in extraction kettle, adjusts pressure to 15~30MPa, temperature
40~60 DEG C, 2~6h of time.Carbon dioxide is recovered under reduced pressure to get the astragatus complanatus extract after the completion of extraction.
(3) astragatus complanatus extract preparation method three
The astragatus complanatus plant after dried and crushed is taken in stirring container, the organic solvent of 4~8 times of weight is added in, 40
Stirring and leaching 2~4 times in~80 DEG C of thermostat water baths, every time 12~36h；Separating and filtering obtains leaching liquor, and leaching liquor is in vacuum
It is concentrated by evaporation under degree 0.05Mpa~0.09Mpa, recycles the organic solvent in leaching liquor, obtain the astragatus complanatus extract.
Embodiment 2
The present embodiment determines astragatus complanatus methanolic extract to effective cypermethrin, chlopyrifos, carbosulfan, thiophene worm
The synergistic effect of the insecticides such as amine, capillary, ethiprole.
With reference to professional standard《NY/T 1154.1-2006 farm-chemical indoor determination test rule insecticide part 1s：
Contact toxicity tests drop method》Method.3 age mythimna separatas (Mythimna separata) larva of indoor raising is selected as examination
Worm.According to pilot study, test medicine with methanol is dissolved, and is arranged to 5 and waits the series concentration of ratios spare.By micro point
Drop device is cleaned with solvent, adjusts dropper to stand-by state.It is placed in writing brush selection test worm spare in culture dish.By culture dish
Interior test worm carries out drop processing by head, and liquid drop is on mythimna separata pronotary, every 0.5 μ L of drop medicament.After drop
Test worm is transferred under normal condition and raises respectively.4 repetitions are often handled, often repeatedly 20 test worms, and set the methanol without medicament
The processing of solvent is as control.Test worm death condition is investigated after processing for 24 hours, records total borer population and dead borer population.Astragatus complanatus methanol
Extract for examination chemical pesticide synergistic effect to the results are shown in Table 1.
Synergistic effect of 1 astragatus complanatus of table to several pesticides
From the results shown in Table 1, effective cypermethrin, chlopyrifos, carbosulfan, clothianidin, capillary, fluorine
Insecticidal activity is obviously improved after the insecticides such as worm nitrile are mixed with astragatus complanatus methanolic extract, and synergistic effect is apparent,
The usage amount of chemical pesticide can be reduced when reaching identical control effect at double.
Embodiment 3
The present embodiment provides the preparation of astragatus complanatus extract and effective cypermethrin mix preparation.Specific preparation process is retouched
State for：Weigh 5 grams of astragatus complanatus supercritical carbon dioxide extract, 2.5 grams of effective cypermethrin (folding hundred), detergent alkylate
3 grams of sulfoacid calcium, 10 grams of OP-15,3 grams of Tween-80,10 grams of ethyl alcohol, 5 grams of ethylene glycol, 50 DEG C of stirrings are slowly added to homogeneous
Deionized water complements to 100% to get astragatus complanatus and the aqueous emulsion of effective cypermethrin.
Inventor has carried out this example of formulations prevention greenhouse white powder in Shouguang City of Shandong Province Sun Jia market towns in August, 2017
Lice field control effectiveness test demonstrates control effect of the medicament to Trialeurodes vaporariorum Westwood and the security to cucumber.
Trial crops are cucumber, and controlling object is Trialeurodes vaporariorum Westwood (Trialeurodes vaporariorum), investigational agent
Agent and dosage refer to table 2.Cultivation condition, the water and fertilizer management uniformity of each cell.It is 45kg/667 ㎡ with liquid volume, uses
Hand sprayer uniformly sprays, it is desirable that each cell cucumber leaves positive and negative uniformly medicine.Blank control separately is set, often handles 4 weights
Multiple, per 20 ㎡ of plot area, totally 5 cells, random district's groups arrange.Radix is investigated before medicine, investigates preventive effect within 1 day, 7 days after medicine, together
When observe cucumber growth situation, visual test medicament cucumber is whether there is poisoning generation.
Investigation statistics method：10 plants of cucumber are demarcated per cell, in the case where letting alone insect, the leaf back side must be young
Examining is looked into, and record is living into borer population, and leaf is checked when adult is less movable in the morning.
PT is chemicals treatment district Revision insect recluced rate；CK is blank district Revision insect recluced rate.
Table 2 prevents Trialeurodes vaporariorum Westwood field test results
Result of the test shows example of formulations 3 and astragatus complanatus methanolic extract and 10% Beta-cypermethrin EC
Matching while using, has Trialeurodes vaporariorum Westwood a more significant control effect, and the preventive effect of 7 days is respectively 93.54%, 87.24% after medicine,
Preventive effect of 10% Beta-cypermethrin EC to Trialeurodes vaporariorum Westwood is substantially better than, shows apparent synergistic effect.By to medicine
7 days significance difference analysis afterwards, embodiment and control treatment preventive effect otherness are notable.Security survey is observed during experiment,
Cucumber growth safety, no poisoning phenomenon occur for all reagent agents.
Embodiment 4
The present embodiment provides the preparation of astragatus complanatus extract and Diacloden mix preparation.Specific preparation process is described as：
5 grams of astragatus complanatus methanolic extract is weighed, 5 grams of Diacloden (rolls over hundred), 5 grams of neopelex, 10 grams of Nekal BX,
20 grams of white carbon, kaolin complement to 100% to get astragatus complanatus and the wettable powder of Diacloden.
Inventor was carried out example 4 in Xianyang, Shanxi province city in 2017 and prevents eggplant thrips field control effectiveness test, tested
Control effect of the medicament to eggplant thrips and the security to eggplant are demonstrate,proved.Trial crops are eggplant, and controlling object is palm
Thrips (Thrips palmi) is sprayed in eggplant thrips 2 age nymph occurance peak.Experimental plot physical features is flat, and soil is husky earth
Soil, middle fertility, irrigation and drainage facility.Test medicine and dosage refer to table 3.Blank control separately is set, often handles 4 repetitions, per cell
30 ㎡, totally 4 cells, the random district's groups of cell arrange.It is fixed per cell in eggplant middle and upper part and chooses 20 leaves, carried out before dispenser
Insect population is investigated, 5 days and 10 days investigation residual borer populations living after dispenser.Calculate larval mortality and control effect, calculation
Referring to embodiment 3.
Table 3 prevents eggplant thrips field control effectiveness test result
Result of the test shows example of formulations 4 and astragatus complanatus methanolic extract and 25% Diacloden wettable powder
Matching while using, has eggplant thrips a more significant control effect, and the preventive effect of 10 days is respectively 93.16%, 89.70% after medicine,
Preventive effect of the 25% Diacloden wettable powder to thrips is substantially better than, shows apparent synergistic effect.By to 10 days after medicine
Significance difference analysis, embodiment and control treatment preventive effect otherness are notable.Security survey is observed during experiment, all confessions
Reagent agent grows eggplant safety, and no poisoning phenomenon occurs.
Further narration has been done to the present invention above in conjunction with embodiment, but present invention is not limited to the embodiments described above,
In the knowledge that one skilled in the relevant art possesses, it can also be done on the premise of present inventive concept is not departed from
Go out various change.
Claims (10)
1. a kind of plant source pesticide synergist, which is characterized in that the component of the synergist is carried including legume astragatus complanatus
Take object.
2. plant source pesticide synergist according to claim 1, which is characterized in that the astragatus complanatus extract is using molten
It is prepared by agent extraction or supercritical fluid extraction.
3. plant source pesticide synergist according to claim 2, which is characterized in that the astragatus complanatus extract is using molten
It is prepared by agent extraction：Dried astragatus complanatus is crushed, gained crushed material is extracted with organic solvent, recycles organic in leaching liquor
Solvent obtains the astragatus complanatus extract.
4. plant source pesticide synergist according to claim 2, which is characterized in that the astragatus complanatus extract is using super
It is prepared by supercritical fluid extraction method：Dried astragatus complanatus will be crushed to be placed in extraction kettle, extractant selects carbon dioxide, extraction
15~30MPa of pressure, 40~60 DEG C, 2~6h of extraction time of extraction temperature, extraction after the completion of be recovered under reduced pressure carbon dioxide to get
The astragatus complanatus extract.
5. application of the plant source pesticide synergist any one of Claims 1-4 in terms of chemical pesticide synergy.
6. application according to claim 5, which is characterized in that the plant source pesticide synergist is existing with existing with chemical pesticide
With.
7. application according to claim 6, which is characterized in that the plant source pesticide synergist mixes shape before spraying with bucket
Formula is added in the dilution of chemical pesticide.
8. application according to claim 5, which is characterized in that the plant source pesticide synergist is processed into chemical pesticide
Agriculturally applied after acceptable preparation.
9. application according to claim 5, which is characterized in that the plant source pesticide synergist kills pyrethroid
Worm agent, organophosphorus insecticide, carbamate insecticides, anabasine insecticide, pyrrole insecticides, pyrazoles desinsection
Agent, pyridine insecticides have synergistic effect.
10. application according to claim 8, which is characterized in that the agriculturally acceptable preparation includes missible oil, water and milk
Agent, suspending agent.
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| CN113068691B (en) * | 2021-04-07 | 2022-03-25 | 四川百事东旺生物科技有限公司 | Synergistic composition containing uniconazole special for axillary bud inhibitor |
| CN113331190A (en) * | 2021-04-27 | 2021-09-03 | 河北威远生物化工有限公司 | Pesticide synergistic composition applied to red spider control |
| CN113331190B (en) * | 2021-04-27 | 2022-03-11 | 河北威远生物化工有限公司 | Pesticide synergistic composition applied to red spider control |
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