CN103461353B - A kind of composition pesticide containing chitosan oligosaccharide, insecticide and application thereof - Google Patents
A kind of composition pesticide containing chitosan oligosaccharide, insecticide and application thereof Download PDFInfo
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Abstract
The present invention provides a kind of composition pesticide containing chitosan oligosaccharide, and composition pesticide of the present invention contains active component: any one or a combination thereof in chitosan oligosaccharide, and emamectin benzoate, DDVP, effective cypermethrin, metrifonate, AVM, phoxim, Le Siben.Composition pesticide of the present invention, possibly together with other components in addition to active component.Other components described are: one or more in dispersant, wetting agent, antifreezing agent, stabilizer, preservative, thickener, emulsifying agent, defoamer, solvent and carrier.The invention also discloses a kind of agricultural chemical insecticide of composition pesticide containing chitosan oligosaccharide and application thereof.Composition pesticide containing chitosan oligosaccharide of the present invention can use method generally in the art can be processed into missible oil, suspending agent, water dispersion granule, microemulsion, soluble powder, granule.
Description
Technical field
The present invention relates to a kind of composition pesticide containing chitosan oligosaccharide, agricultural chemical insecticide and application thereof, belong to pesticide field.
Background technology
Citrus fruit fly Bactrocera dorsalis (Hendel), has another name called orient fruit fly (oriental fruit
Fly), it is subordinate to Diptera (Diptera), Tephritidae (Tephritidae), Bactrocera (Bactrocera).Parasitic scope is non-
The most extensively, can parasitic and harm mango, citrus, grape, pears, jujube, fragrant pomegranate, banana, lichee, tomato, eggplant, cucumber, pumpkin
Fruit and vegetable class crop is planted Deng more than 250.Its larva is caused harm fruit, latent occupies fruit flesh food evil, makes fruit rot shedding, and due to this
Worm reproductive capacity is strong, growth cycle is short, generation overlap, so cause harm throughout the year, has especially made part fruits and vegetables almost at southern china
Total crop failure causes huge economic loss, is a kind of crushing insect.
Preventing and treating citrus fruit fly relies primarily on chemical pesticide at present, and this worm larva is to bore moth to cause harm, and effect of chemical control is relatively
Difference.The chemical prevention of citrus fruit fly, relies primarily on the agricultural chemicals such as Le Siben, DDVP, effective cypermethrin, metrifonate.These medicines
Agent is because Long-Time Service has made citrus fruit fly create the resistance to the action of a drug in various degree, and prevention effect reduces, and causes drug cost to carry
Height, destroys agroecological environment, food security is also resulted in adverse effect.
Currently without environmental protection can effectively prevent and treat again the agricultural chemicals of citrus fruit fly and scientific and effective prevention and controls completely.
Chitosan oligosaccharide is the oligosaccharide being formed by connecting by β-Isosorbide-5-Nitrae-glycosidic bond by 2-10 Glucosamine, is also natural sugar
In unique a large amount of basic amine group oligosaccharides existed.It has the advantages such as good water solubility, safety non-toxic, easy absorption.Chitosan oligosaccharide causes
The particularity of structure, has at aspects such as nutrition and health care, livestock-raising, plant growth regulator and disease resistances and widely should
With.
Publication No. is the Chinese invention patent of CN103081911A, discloses chitosan oligosaccharide as insect chitin enzyme inhibitor
And the application of insecticide.This patent chitosan oligosaccharide as the application of insect chitin enzyme inhibitor, can be applicable to suppress northern house,
The chitinase of the insects such as Ostrinia furnacalis, bollworm, mythimna separata, diamondback moth, beet armyworm, acyrthosiphum pisim, Tetranychus cinnabarinus, thus rise
To certain insecticidal action.But this patent application technical scheme is general to the killing effect of above-mentioned insect.And this patent application is not
The chitosan oligosaccharide concrete application as insecticide component, the especially application in terms of preventing and treating citrus fruit fly are described.Additionally this application
Do not investigate the synergistic function after chitosan oligosaccharide uses with insecticide combination.
Summary of the invention
For the deficiencies in the prior art, the present inventor is found by long-term field research, by chitosan oligosaccharide with existing
The pestsides synthesis of some preventing and treating citrus fruit flies is used, it is possible to is effectively improved actual prevention effect, reduces the use of chemical pesticide
Amount, delays drug-fast generation, and while preventing and treating citrus fruit fly, it is possible to promote plant growth.
For reaching above-mentioned purpose, the present invention uses technical scheme as follows, a kind of composition pesticide containing chitosan oligosaccharide, described group
Compound contains active component, it is characterised in that described active component includes:
1) first composition chitosan oligosaccharide；With
2) second composition described in second composition is DDVP, phoxim, metrifonate, Le Siben, Methomyl, sulphur
One in pellet, effective cypermethrin, time, cypermethrin, Fenpropathrin, imidacloprid, Acetamiprid, emamectin benzoate, AVM
Or it is multiple.
First composition chitosan oligosaccharide in described active component is degree of polymerization 2-30, mean molecule quantity 1000-3000 road
The chitosan oligosaccharide that you pause.
Second composition in described active component, preferably emamectin benzoate, DDVP, effective cypermethrin, metrifonate,
Any one or a combination thereof in AVM, phoxim, Le Siben.
In described active component, the weight percentage of first composition and second composition is than for 1:0.02-50, excellent
Elect 1:12.5-50 as.
Composition pesticide of the present invention, possibly together with other components in addition to active component.Other components described are: dispersion
One or more in agent, wetting agent, antifreezing agent, stabilizer, preservative, thickener, emulsifying agent, defoamer, solvent and carrier.
Other components described can be according to the consumption of the dosage form selection routine of insecticides preparation, and this is those skilled in the art institute
Known.
In the present invention, for other components above-mentioned all without particular/special requirement, material commonly used in the art can be used, such as:
Dispersant can be one or more in sodium methylene bis-naphthalene sulfonate, sodium lignin sulfonate, calcium lignosulfonate.
Wetting agent can be lauryl sodium sulfate, calcium dodecyl benzene sulfonate, succinate sodium sulfonate, pull open powder and the moon
One or more in lauryl sulfate.
Antifreezing agent can be one or more in ethylene glycol, glycerine, propane diols, sodium chloride, urea, polyethylene glycol.
Stabilizer can be phosphorous acid, alkyl phosphite, phosphorous acid dibasic acid esters, alkyl phosphate, epoxidized soybean oil, epoxy
One or more in chloropropane and triphenyl phosphite.
Preservative can be Sodium Benzoate, benzoic acid, potassium sorbate, deoxidation sodium acetate, calcium propionate, sodium Diacetate, lactic acid
One or more in sodium, hydrogen peroxide, propylparaben.
Thickener can be aluminium-magnesium silicate, xanthans, polyethylene glycol, polyvinyl alcohol, hydroxymethyl cellulose and phenolic resin,
One or more in sodium alginate.
Emulsifying agent is the one of nonionic, cation, anion surfactant and zwitterionic surfactant or many
Kind, such as calcium dodecyl benzene sulfonate, succinate sodium sulfonate, styryl phenol polyethenoxy ether phosphate ester, benzylphenol polyoxy second
Alkene ether phosphate, sorbitan trioleate, anhydrous sorbitol tristearate, polyoxyethylene ether alcohol six stearic acid
Ester, cithrol, polyoxyethylene sorbitol ether beeswax derivatives, polyethylene glycol mono stearate, anhydrous sorbitol
Sesquioleate, glyceryl monostearate, sorbitan monooleate, sorbitan monostearate, dibenzyl phenol are poly-
Oxygen vinethene, diethylene glycol fatty acid ester, diethylene glycol monolaurate, sorbitan mono-laurate, the polyoxyethylene moon
Cinnamic alcohol ether, polyoxyethylene monopalmitate, APES, Brij30, anhydrous sorbitol polyoxy second
Alkene ether, polyoxyethylene sorbitan ether monoleate, styryl phenol polyethenoxy ether, AEO, fat
Amine APEO, castor oil polyoxyethylene ether.
Defoamer can be dimethicone, isooctanol, soybean oil, rapeseed oil, glycerine trihydroxy polyethers, benzyl carbinol oleic acid
One or more in ester and benzyl carbinol laurate.
Solvent can be methyl alcohol, ethanol, propyl alcohol, isopropanol, propane diols, glycerine, n-butanol, isobutanol, the tert-butyl alcohol, just
Amylalcohol, isoamyl alcohol, n-hexyl alcohol, n-heptanol, n-octyl alcohol, cyclohexanone, ethylene glycol, glycol monoethyl ether, glycol dimethyl ether, sorb
One or more in alcohol, aromatic hydrocarbon solvent oil and methyl oleate.
Solid inert carrier can be clay, silica, diatomite, kaolin, attapulgite, montmorillonite, bentonite,
One or more in talcum powder and precipitated calcium carbonate.
Adhesive can be one or more in soluble starch, sucrose, glucose.
The invention also discloses the agricultural chemical insecticide of a kind of composition pesticide containing chitosan oligosaccharide.The weight of described active component
The percentage composition accounting for agricultural chemical insecticide is 5%-75%, preferably 10-50%.Composition pesticide containing chitosan oligosaccharide of the present invention can
To use method generally in the art can be processed into emulsifiable concentrate, suspending agent, water dispersion granule, microemulsion, soluble powder, particle
Agent.
Other compositions in addition to active component of above-mentioned each formulation and content, without particular/special requirement, can use this area routine to join
Ratio.
The invention also discloses above-mentioned composition pesticide or the agricultural chemical insecticide comprising above-mentioned composition pesticide preventing and treating tangerine
Application in little trypetid, on the crop being applied to agricultural chemical insecticide endangered by citrus fruit fly or in the soil of plant growth.
The agriculturally useful compositions comprising chitosan oligosaccharide of the present invention can be applied to any crop encroached on by citrus fruit fly, this
A little crops include vegetable crop and fruit tree crop, and specifically, vegetable crop capsicum, cucumber, tomato, pumpkin, eggplant etc., fruit tree is such as
Mango, citrus, grape, pears, jujube, guava, banana, lichee etc..
Chitosan oligosaccharide is the oligosaccharide being formed by connecting by β-Isosorbide-5-Nitrae-glycosidic bond by 2-10 Glucosamine, is also natural sugar
In unique a large amount of basic amine group oligosaccharides existed.It has the advantages such as good water solubility, safety non-toxic, easy absorption, in health products, battalion
Support the aspects such as agent, food additives, plant growth regulator and feed addictive and there is good using value.
Chitosan oligosaccharide of the present invention can be prepared by prior art, such as: deacetylation shitosan more than 70% passes through
It is 2-that the methods such as physical degradation methods, chemical degradation method, enzyme edman degradation Edman, glycosyl transfer method, composite degradation method prepare the degree of polymerization
The mixture of the chitosan oligomer of 30.Or, by extracting the natural chitin obtained from fungal cell wall or insect body wall
And by gathering that the methods such as physical degradation methods, chemical degradation method, enzyme edman degradation Edman, glycosyl transfer method, composite degradation method prepare
The mixture of the right chitosan oligomer for 2-30.Or, by being passed through β-l, 4-glycosidic bond chemical synthesis by Glucosamine
The degree of polymerization being polymerized is the mixture of the polymer of 2-30.
Current chitosan oligosaccharide is the mixture of the high molecular polymer of different polymer, say, that in chitosan oligosaccharide be not
The oligosaccharides form of the single degree of polymerization, but the chitosan oligosaccharide monose of every kind of degree of polymerization all there may be.So no matter by which kind of side
Method prepares, or the commercially available prod prepared by above-mentioned preparation method, as long as it is Glucosamine passes through β-l,
The degree of polymerization that 4-glycosidic bond is formed by connecting is 2-30, mean molecule quantity is the mixed of the daltonian high molecular polymer of 1000-3000
Compound is exactly chitosan oligosaccharide of the present invention, and it can contain acetyl group, but the sugar unit of bonding acetyl group is less than 40%
Amount, the amount of preferably more than 30%, the particularly preferably amount less than 20%.Presently commercially available chitosan oligosaccharide is substantially all as above-mentioned shell few
The chitosan oligosaccharide product that sugar term is illustrated.
The present invention compared with prior art, has a following technical advantage:
1, synergistic effect is obvious, good to citrus fruit fly prevention effect.Composition pesticide of the present invention will be by preventing and treating the little reality of tangerine
The pesticidal chemical of fly is mixed with chitosan oligosaccharide, improves and indoor are killed citrus fruit fly activity, serve beyond thought Synergistic
Effect；
2, security is good, to crop, Environmental security.Chitosan oligosaccharide and the agriculture chemical compounding of preventing and treating citrus fruit fly, improve preventing and treating effect
Really, and preventive and therapeutic effect is lasting, is difficult to make citrus fruit fly develop immunity to drugs.And, chitosan oligosaccharide can reduce agricultural chemicals in crop
Residual, safe and environment-friendly；
3, plant growth is had good facilitation, improve resistance.Chitosan oligosaccharide can promote plant callus
Formed, promote plant growth, make plant cell activation, the absorptivity of raising fertilizer component, strengthen disease resistance of plant.Improve work
Article matter.
Detailed description of the invention
With the following Examples the present invention is further detailed, contributes to a further understanding of the present invention, real
Execute example and do not limit protection scope of the present invention.
Embodiment one: 5.1% chitosan oligosaccharide emamectin benzoate water emulsion
Active component is, chitosan oligosaccharide: emamectin benzoate=1:50(percentage by weight)
Each weight percentages of components: chitosan oligosaccharide 0.1%, emamectin benzoate 5%, agriculture emulsion 600#5%, xanthans 0.5%, organosilicon disappears
Infusion 0.1%, glycerine 3%, water complements to 100%.Together with active component, emulsifying agent being added with other auxiliary agent, make to be dissolved into uniformly
Oil phase；Under high velocity agitation, oil phase is added to the water and mixes, prepare 5.1% chitosan oligosaccharide emamectin benzoate water emulsion.
Other components above-mentioned can be according to the consumption of the dosage form selection routine of insecticides preparation, and this is this area skill
Well known to art personnel.
Composition pesticide of the present invention can use method generally in the art can be processed into missible oil, suspending agent, water dispersible granular
Agent, microemulsion, soluble powder, granule.Other compositions in addition to each composition of active component of above-mentioned each formulation and content without
Particular/special requirement, can use this area conventional proportions.As,
Aqueous suspension agent, the weight percent content of each component is generally, active component 5-60%, dispersant 0.5-12%, profit
Humectant 0.5-5%, antifreezing agent 0.1-10%, other additives such as stabilizer, preservative, defoamer, thickener 0-10%, surplus is
Water.Preparation method is method generally in the art.
Aqueous emulsion, the weight percent content of each component is generally, active component 10-50%, emulsifying agent 5-20%, antifreezing agent
0.5-10%, thickener 0.5-2%, defoamer 0.01-0.2%, solvent 3-10%, other additives such as stabilizer, preservative 0.5-
10%, surplus is water.Preparation method is method generally in the art.
Water dispersion granule, the weight percent content of each component is generally, active component 3-95%, dispersant 0.5-
10%, wetting agent 0.5-5%, other additives such as stabilizer, adhesive 0-10%, surplus is solid inert carrier, such as kaolin
Deng.Preparation method is method generally in the art.
Oil-suspending agent, the weight percent content of each component is generally, active component 5-40%, dispersant 0.5-20%,
Wetting agent 0.5-5%, emulsifying agent 10-20%, antifreezing agent 0.1-10%, other additives such as stabilizer, preservative, increasing
Thick dose of 0-10%, surplus is solvent.Preparation method is method generally in the art.
Microemulsion, the weight percent content of each component is generally, active component 10-80%, solvent 10-80%, emulsifying agent
5-15%, antifreezing agent 0.5-5%, cosolvent 0.5-6%, other additives such as 0-10% such as stabilizer, preservative, surplus is water.System
Preparation Method is method generally in the art.
Missible oil, wettable powder and granule etc. the most all use composition well known in the art and content, and preparation method is also
Method generally in the art, does not repeats them here.
Embodiment two: 26% chitosan oligosaccharide DDT EC
Active component is, chitosan oligosaccharide: DDVP=1:25(percentage by weight)
Each weight percentages of components is: chitosan oligosaccharide 1%, DDVP 25%, agriculture emulsion 600#5%, agriculture emulsion 700#5%, diformazan
Benzene complements to 100%.Active component, emulsifying agent and solvent are sequentially added in mixing kettle in the ratio of formula, stir, system
Obtain 26% chitosan oligosaccharide DDT EC.
Embodiment three: 13.5% chitosan oligosaccharide r
Active component is, chitosan oligosaccharide: effective cypermethrin=1:12.5(percentage by weight) each weight percentages of components is:
Chitosan oligosaccharide 1%, effective cypermethrin 12.5%, agriculture emulsion 600#2%, agriculture emulsion 1601#5%, cyclohexanone 15%, mineral oil complements to
100%.Active component, emulsifying agent and solvent are sequentially added in mixing kettle in the ratio of formula, stir, prepare 13.5% shell
Oligosaccharides r.
Embodiment four: 27% chitosan oligosaccharide metrifonate wettable powder
Active component is, chitosan oligosaccharide: metrifonate=1:12.5(percentage by weight)
Each weight percentages of components is: chitosan oligosaccharide 2%, metrifonate 25%, sodium maleate 1%, lauryl sodium sulfate 2%, in vain
Carbon black 5%, bentonite complements to 100%.Each components such as active component, dispersant, wetting agent are mixed in the ratio of formula,
27% chitosan oligosaccharide metrifonate wettable powder is i.e. obtained after air-flow crushing.
Embodiment five: 13% chitosan oligosaccharide avermectin micro-emulsion
Active component is, chitosan oligosaccharide: AVM=1:25(percentage by weight)
Each weight percentages of components is: chitosan oligosaccharide 0.5%, AVM 12.5%, cyclohexanone 5%, and organosilicon 5%, water is supplied
To 100%.By active component, cosolvent, emulsifying agent, solvent are added together, and make to be dissolved into homogeneous oil phase；Under agitation, by oil phase
Mix with water, prepare 13% chitosan oligosaccharide avermectin micro-emulsion.
Embodiment six: 51% chitosan oligosaccharide phoxim water dispersion granule
Active component is, chitosan oligosaccharide: phoxim=1:50(percentage by weight)
Each weight percentages of components is: chitosan oligosaccharide 1%, phoxim 50%, wetting agent FLA-1 5%, dispersant FLB-1 5%,
Sodium carboxymethyl starch 6%, filler sodium sulphate complements to 100%.Obtain wettable after each component is mixed again after air-flow crushing
Property powder, adds appropriate water and is sufficiently mixed rear granulation, drying 51% chitosan oligosaccharide phoxim water dispersion granule.
Embodiment seven: 13.5% chitosan oligosaccharide Le Siben missible oil
Active component is, chitosan oligosaccharide: Le Siben=1:12.5(percentage by weight)
Each weight percentages of components is: chitosan oligosaccharide 1%, Le Siben 12.5%, N-ethyl pyrrolidone 7%, agriculture breast 500#5%,
Dimethylbenzene complements to 100%.Active component, emulsifying agent and solvent being sequentially added in mixing kettle in the ratio of formula, stirring is all
Even, prepare 13.5% chitosan oligosaccharide Le Siben missible oil.
Test example one: synergistic effect biological detection
1, synergistic effect biological detection standard: use Sun Yunpei (Sun Y-P) method, by calculating co-toxicity coefficient (co-
Toxicity coefficient, CTC), the mixed effect of active component in the insecticide of the present invention is judged with CTC value.CTC
Value is antagonism less than 80, more than 120 for synergistic effect, is summation action between 80-120.
Theoretical toxicity index TTI=standard agent toxicity index × standard agent is percentage+confession examination in mixing assembles
Medicament toxicity index × reagent agent percentage in mixing assembles
2, test reagent
Insecticide by the embodiment of the present invention one to embodiment seven；With chitosan oligosaccharide, emamectin benzoate, DDVP, efficient chlorine cyanogen chrysanthemum
Ester, metrifonate, AVM, phoxim and Le Siben single dose.
3, test method: with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.6-2006 ".Respectively by be measured
Reagent dilutions, to finite concentration, is then applied to citrus fruit fly, measures each reagent agent lethal final concentration LC50, according to common poison system
Number computing formula calculates the co-toxicity coefficient of each confection.
4, result of the test: result such as table 1.
The different compound drug synergistic effect to citrus fruit fly of table 1
| Medicament | Proportioning | LC50(mg/L) | Co-toxicity coefficient |
| Emamectin benzoate | / | 0.74 | / |
| DDVP | / | 1.29 | / |
| Effective cypermethrin | / | 2.35 | / |
| Metrifonate | / | 5.78 | / |
| AVM | / | 1.29 | / |
| Phoxim | / | 4.01 | / |
| Le Siben | / | 1.9 | / |
| Chitosan oligosaccharide | / | 980.11 | / |
| Chitosan oligosaccharide: emamectin benzoate | 1:50 | 0.62 | 121.72 |
| Chitosan oligosaccharide: DDVP | 1:25 | 1.07 | 125.32 |
| Chitosan oligosaccharide: effective cypermethrin | 1:12.5 | 2.01 | 126.03 |
| Chitosan oligosaccharide: metrifonate | 1:12.5 | 4.05 | 153.42 |
| Chitosan oligosaccharide: AVM | 1:25 | 0.98 | 136.83 |
| Chitosan oligosaccharide: phoxim | 1:50 | 3.32 | 123.10 |
| Chitosan oligosaccharide: Le Siben | 1:12.5 | 1.17 | 175.12 |
As can be seen from Table 1, composition pesticide of the present invention is more than 120 to the co-toxicity coefficient of citrus fruit fly, and the present invention is described
Use chitosan oligosaccharide to have obvious synergistic function after the composite reagent of other preventing and treating citrus fruit flies, be greatly increased the little reality of tangerine
The prevention effect of fly.
Claims (6)
1. the composition pesticide containing chitosan oligosaccharide, described composition contains active component, it is characterised in that described active group
Divide and include:
1) first composition chitosan oligosaccharide；With
2) second composition, the second described composition is Le Siben or effective cypermethrin；
3) in the active component described in, the weight percentage of first composition and second composition is than for 1:12.5-50.
Composition pesticide the most according to claim 1, it is characterised in that first composition shell in described active component
Oligosaccharides be the degree of polymerization be 2-30, mean molecule quantity be the daltonian chitosan oligosaccharide of 1000-3000.
3. include an agricultural chemical insecticide for the arbitrary described composition pesticide of claim 1-2, be characterised by, described active component
Weight to account for the percentage composition of agricultural chemical insecticide be 5%-75%.
Agricultural chemical insecticide the most according to claim 3, it is characterised in that the weight of described active component accounts for agricultural chemical insecticide
Percentage composition be 10%-50%.
Agricultural chemical insecticide the most according to claim 4, it is characterised in that described agricultural chemical insecticide is missible oil, suspending agent, water
Dispersible granule, microemulsion, soluble powder or granule.
6. according to the purposes of the agricultural chemical insecticide described in a kind of claim 5, it is characterised in that described purposes is for kill agricultural chemicals
On the crop that worm agent is applied to endangered by citrus fruit fly or in the soil of plant growth.
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| CN103858864A (en) * | 2014-02-14 | 2014-06-18 | 南京善为生物科技有限公司 | Environmental-friendly acetamiprid water-soluble powder and preparation method thereof |
| CN103875668A (en) * | 2014-03-14 | 2014-06-25 | 曹荣成 | Oligosaccharin-soluble bactericide |
| CN103975958B (en) * | 2014-05-19 | 2016-06-22 | 山东省农业科学院生物技术研究中心 | Semen arachidis hypogaeae is growth regulator dedicated for seedling stage |
| CN104686537A (en) * | 2015-03-03 | 2015-06-10 | 肇庆市真格生物科技有限公司 | Compound nematode killing composition containing abamectin and amino-oligosaccharin and preparation method of composition |
| CN106342871A (en) * | 2016-08-25 | 2017-01-25 | 上海贯发海洋生物科技有限公司 | Composition for preventing and controlling plant virus disease and application thereof |
| CN106665577A (en) * | 2016-12-30 | 2017-05-17 | 新昌县赛因斯生物科技有限公司 | Chitooligo saccharide composition for reducing pesticide residues in crops |
| CN108432752A (en) * | 2018-03-19 | 2018-08-24 | 长沙秋点兵信息科技有限公司 | Insecticidal block and preparation method thereof |
| CN108605956A (en) * | 2018-06-14 | 2018-10-02 | 山东省农业科学院农业资源与环境研究所 | A kind of grass corruption edible mushroom nuisance-free medicinal fertilizer and the preparation method and application thereof |
| CN110810433A (en) * | 2019-12-04 | 2020-02-21 | 河南农贝得农业科技有限公司 | Seed dressing agent for crop rough dwarf and preparation method thereof |
| CN111226972A (en) * | 2020-03-11 | 2020-06-05 | 江苏克胜集团股份有限公司 | Pesticide for preventing and treating bemisia tabaci and application thereof |
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| CN1520723A (en) * | 2003-01-30 | 2004-08-18 | 中国科学院上海植物生理研究所 | Chitosan oligosaccharide containging pesticide composition and its application |
| CN102771506A (en) * | 2010-12-23 | 2012-11-14 | 海南正业中农高科股份有限公司 | Nematicide composition containing oligosaccharides and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1520723A (en) * | 2003-01-30 | 2004-08-18 | 中国科学院上海植物生理研究所 | Chitosan oligosaccharide containging pesticide composition and its application |
| CN102771506A (en) * | 2010-12-23 | 2012-11-14 | 海南正业中农高科股份有限公司 | Nematicide composition containing oligosaccharides and application thereof |
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