CN103548891A - Botanical pesticide capable of preventing myzus persicae and application of botanical pesticide - Google Patents
Botanical pesticide capable of preventing myzus persicae and application of botanical pesticide Download PDFInfo
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- CN103548891A CN103548891A CN201310506496.5A CN201310506496A CN103548891A CN 103548891 A CN103548891 A CN 103548891A CN 201310506496 A CN201310506496 A CN 201310506496A CN 103548891 A CN103548891 A CN 103548891A
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- 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
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Abstract
The invention discloses a botanical pesticide capable of preventing myzus persicae and an application of the botanical pesticide. The botanical pesticide is a composition which is prepared from appelianum oil, elsholtzia splendens oil and Vitex canescens oil, is added with an accessory ingredient to prepare a missible oil agent, a microemulsion or an emulsion in water. The botanical pesticide has a remarkable prevention effect on the myzus persicae, has no residue on tobacco leaves, improves the quality of the tobacco leaves, is harmless to the environment, natural enemies of the myzus persicae, people and livestock and has the strong practicability.
Description
Technical field
The invention discloses a kind of botanical pesticide and application thereof that prevents and treats cigarette aphid, belong to botanical pesticide technical field.
Background technology
Cigarette aphid (Myzus persicae Sulzer), is one of primary pest affecting tobacco growing growth, and its breeding is fast, quantity is large, in each breeding time of tobacco, all can occur.Cigarette aphid was divided into and directly causes harm and indirectly cause harm causing harm of tobacco growing growth, directly cause harm and refer to that cigarette aphid utilizes its sucking mouth parts to suck the juice of young tender tobacco leaf, secrete honeydew simultaneously and pollute tobacco leaf, bring out tobacco and produce dark mildew, make tobacco leaf surface blackening, quality declines; Indirectly causing harm refers to that cigarette aphid takes food after tobacco leaf and propagates the multiple tobacco virus diseases such as tobacco cucumber mosaic disease (CMV), etch virus of tobacco viral disease (TEV), marmor upsilon sick (PVY) thereupon, give tobacco grow and the quality of tobacco leaf causes more serious loss.
For a long time, in tobacco planting work, the chemical control of cigarette aphid always is to employing chemical agent, as Imidacloprid, Aphox, Acephate, Acetamiprid, Methomyl etc.Although Agro-chemicals control instant effect, effective, but there is " 3R " problem in chemical agent, it is residue of pesticide (Residue), the insect problem of rampant (Resurgence), pest resistance (Resistance) once again, the chemical pesticide that only China uses in land for growing field crops every year in tobacco planting work at present reaches 4,500,000～8,000,000 kilogram, the long-term a large amount of chemical pesticides that use have caused that pest resistance to insecticide constantly strengthens, environmental pollution is day by day serious, tobacco leaf persticide residue constantly increases, have caused a series of problem.Along with trade between the country of tobacco leaf and tobacco product increases increasingly, the persticide residue of tobacco leaf and tobacco product is the important content that various countries pay close attention in tobacco product trade, become international market tobacco leaf evaluation and chosen the important content that carries out commodity inspection in the international tobacco trade of key factor ，Ye Shi of middle consideration.And in plant, contain the multiple secondary metabolites with insecticidal activity, the botanical pesticide that utilizes these secondary metabolites to prepare has efficiently, special effect, low toxicity (or nontoxic), easy degraded, noresidue, the insect advantage such as be difficult for developing immunity to drugs, therefore the botanical pesticide of exploitation control cigarette aphid is conducive to reduce the residue of pesticide of tobacco leaf, be conducive to improve the international competitiveness of tobacco leaf and tobacco product, be conducive to the sustainable development of leaf tobacco production.
Hair oil of bay is that the leaf by Lauraceae (Lauraceae) vegetable hair osmanthus (Cinnamomum appelianum Schewe) obtains through steam distillation, and it contains the compound that Cineole, amphene, australene, linalool, terpinene-4-alcohol etc. have remarkable insecticidal activity.Elsholtzia splendens oil is that the herb by Labiatae (Labiatae) plant elsholtzia splendens (Elsholtzia splendens Nakai ex F.Maekawa) obtains through steam distillation, the carvacrol that contains the remarkable insecticidal activity of large measurer in its chemical composition, Thymol, to P-cymene, terpinene, β-phellandrene, β-caryophyllene, citrene, linalool etc.Gray wool oil of negundo chastetree is that the leaf by Verenaceae (Verbenaceae) plant gray wool Vitex negundo var cannabifolia (Vitex canescens Kurz) obtains through steam distillation, it also contains the multiple chemical composition with remarkable insecticidal activity, as australene, Cineole, citrene, terpineol, eucalyptol, eugenol etc.Have no so far agricultural chemicals prepared by the above-mentioned hair of independent employing oil of bay, elsholtzia splendens oil or gray wool oil of negundo chastetree, also have no the agricultural chemicals that adopts hair oil of bay, elsholtzia splendens oil and the composite preparation of gray wool oil of negundo chastetree.
Summary of the invention
The present invention is directed to chemical pesticide control cigarette aphid of the prior art exists and easily makes that cigarette aphid develops immunity to drugs, easily contaminated environment, problem that tobacco leaf persticide residue is large, object is to provide a kind of can effectively prevent and treat cigarette aphid, and the botanical pesticide that makes cigarette aphid be difficult for developing immunity to drugs, botanical pesticide is to tobacco-growing soil and environmental nonpollution, noresidue on tobacco leaf.
Another object of the present invention is the application that is to provide a kind of botanical pesticide, the composition being comprised of hair oil of bay, elsholtzia splendens oil, gray wool oil of negundo chastetree is made botanical pesticide emulsifiable concentrate, microemulsion or aqueous emulsion and can effectively be prevented and treated cigarette aphid, and to tobacco-growing soil and environmental nonpollution.
The invention provides a kind of botanical pesticide of preventing and treating cigarette aphid, the composition that this botanical pesticide is comprised of hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree, allocates emulsifiable concentrate, microemulsion or aqueous emulsion that auxiliary agent is made into; In described composition, the mass percentage content of each component is: hair oil of bay 30～65%, elsholtzia splendens oil 20～45%, gray wool oil of negundo chastetree 15～35%.
Described emulsifiable concentrate comprises following mass percent component: composition 20～70%, emulsifier 5～20%, synergist 5～20%, bleeding agent 10～40%.
Described microemulsion comprises following mass percent component: composition 10～60%, surfactant 7～25%, synergist 3～15%, antifreezing agent 5～10%, deionized water 10～60%.
Described aqueous emulsion comprises following mass percent component: composition 10～60%, surfactant 5～20%, synergist 1～15%, antifreezing agent 5～10%, thickener 0.4～1%, deionized water 10～70%.
Described synergist is one or more in Octacide 264, organosilicon, azone, alkyl carbonate, chlorination fat.
Described emulsifier is one or more in alkyl benzene sulfonate, phenethyl phenol polyethenoxy ethers, phenethyl phenol polyethenoxy polyoxypropylene ethers, alkylphenol polyoxyethylene class, tween.
Described surfactant is one or more in alkylphenol polyoxyethylene class, alkyl benzene sulfonate, phenethyl phenol polyethenoxy ether polyoxypropylene ethers, phenethyl phenol polyethenoxy ethers, NaLS, sodium alkyl sulfate, tween.
Described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine.
Described bleeding agent is one or more in azone, organic diesel oil, epoxidized soybean oil, tung oil.
Described thickener is one or more in xanthans, gum Arabic, Magnesiumaluminumsilicate, sodium carboxymethylcellulose.
The present invention also provides a kind of application of botanical pesticide, and the composition that this botanical pesticide is comprised of hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree is allocated botanical pesticide emulsifiable concentrate, microemulsion or the aqueous emulsion that auxiliary agent makes into and is applied to prevent and treat cigarette aphid.
In described composition, the mass percentage content of each component is: hair oil of bay 30～65%, elsholtzia splendens oil 20～45%, gray wool oil of negundo chastetree 15～35%.
Described hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree are from hair osmanthus (Cinnamomum appelianum Schewe) leaf, elsholtzia splendens (Elsholtzia splendens Nakai ex F.Maekawa) herb and gray wool Vitex negundo var cannabifolia (Vitex canescens Kurz) leaf, to be extracted and obtain respectively by steam distillation.
In described emulsifiable concentrate, the mass percentage content of composition is 20～70%.
In described microemulsion, the mass percentage content of composition is 10～60%.
In described aqueous emulsion, the mass percentage content of composition is 10～60%.
Described emulsifiable concentrate also comprises that mass fraction is not more than 20% organic solvent.
Described microemulsion also comprises that mass fraction is not more than 15% organic solvent.
Described aqueous emulsion also comprises that mass fraction is not more than 15% organic solvent.
Described organic solvent is one or more in ethyl acetate, ethanol, methyl oleate, acetone, cyclohexanone.
Described emulsifiable concentrate prepares by the following method: hair oil of bay, elsholtzia splendens oil, gray wool oil of negundo chastetree, emulsifier, organic solvent, bleeding agent, synergist are mixed, in modulation kettle, mixture is stirred, and sampling detects the stability of preparation and outward appearance, qualified rear packing, gets product.
Described microemulsion prepares by the following method: hair oil of bay, elsholtzia splendens oil, gray wool oil of negundo chastetree, organic solvent, surfactant, synergist, antifreezing agent and water are mixed, in modulation kettle, mixture is stirred, until transparent, and sampling detects the stability of preparation and outward appearance, qualified rear packing, gets product.
Described aqueous emulsion prepares by the following method: hair oil of bay, elsholtzia splendens oil, gray wool oil of negundo chastetree, organic solvent, surfactant, synergist, antifreezing agent, thickener and water are mixed, emulsion dispersion under the effect of high-speed shearing emulsion machine, and sampling detects the stability of preparation and outward appearance, qualified rear packing, gets product.
Beneficial effect of the present invention: the present invention is through inventor's repetition test, discovery by hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree according to a certain percentage the composite composition obtaining have significant synergies, aphid is had to good control efficiency, be specially adapted to the control to cigarette aphid.In three vegetable oil that the present invention selects, there is separately polytype active insecticidal components, after three vegetable oil are composite, between three kinds of oily active components, there is significant Synergistic insecticidal effect, cigarette aphid is had to significant toxic action, and be difficult for making cigarette aphid to develop immunity to drugs, and nontoxic to the natural enemy of cigarette aphid, other biology and person poultry safety; Meanwhile, these vegetable oil are easily degraded, and to vega soil and environmental nonpollution, noresidue on tobacco leaf, is conducive to improve the quality of tobacco leaf; These vegetable oil sources are wide, greatly reduce the cost of agricultural chemicals.In addition, the auxiliary agent of employing is all environment-friendly type auxiliary agent, reduced the destruction of environment and the murder by poisoning degree to operator, and preparation method is simple, is easy to implement.
Embodiment
The present invention is described further for following examples, rather than limit the scope of the invention.
Embodiment 1
Hair oil of bay, elsholtzia splendens oil and the composite indoor joint toxicity measuring to cigarette aphid of gray wool oil of negundo chastetree
Materials and methods: test is the tobacco leaf with cigarette aphid with material, and test method is for soaking worm leaf dipping method.3 repetitions are all established in all processing, and establish control treatment.Concrete steps are as follows, and the first step is to measure LC
50value: first above-mentioned three kinds of oil and composite mixture thereof are used respectively to a small amount of acetone solution, then water is made into respectively mother liquor, then water is diluted to mother liquor the dilution of 6 variable concentrations; The cigarette aphid of prior select is put into different diluent together with tobacco leaf and flood 5s, taking out cigarette aphid and tobacco leaf blots after unnecessary liquid with blotting paper, together put into and carried out the culture dish that is covered with filter paper that moisturizing is processed, make in each culture dish, to there are 40～50 cigarette aphids; After 24h, check cigarette aphid death toll, by abbott formula calculation correction lethality, if the lethality of contrast is greater than 20%, when time test is cancelled; With SPSS18.0 statistical software, gained test data is carried out to analyzing and processing, draw LC
50value.Second step is to determine above-mentioned three kinds of oily ratio ranges and best proportioning, is undertaken: three kinds of oily LC that record with the above-mentioned first step by Zhang Zong Ping method
50value is basis, measures the drug effect of three kinds of different proportioning combinations of oil, calculates expection inhibiting rate and the toxicity ratio of each proportioning combination.Synergy whether criterion is: the obvious > 1 of toxicity ratio is synergistic effect, and the obvious < 1 of toxicity ratio is antagonism, and toxicity ratio is summation action in 1 left and right.According to the toxicity ratio of each proportioning combination, determine ratio range and the best proportioning of three kinds of oily consumptions.The 3rd step is to measure above-mentioned three kinds of oily co-toxicity coefficients, is undertaken: three kinds of oil that record according to the above-mentioned first step and composite mixture LC separately thereof by the abundant method of Sun Yun
50value, calculates the co-toxicity coefficient (CTC value) that three kinds of oil are mixed between two and three is mixed together separately; Criterion: CTC > 120 is synergistic effect, CTC > 200 is remarkable synergistic effect, CTC < 80 is antagonism, and 80 < CTC < 120 are summation action.
Result of study: what Toxicity Determination was tested the results are shown in Table 1, when hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree are used separately, the LC of three to cigarette aphid
50value is respectively 86.0856mg.L
-1, 109.3066mg.L
-1, 134.0384mg.L
-1." hair oil of bay elsholtzia splendens oil mixture ", " hair oil of bay gray wool oil of negundo chastetree mixture ", " elsholtzia splendens putty hair oil of negundo chastetree mixture " that three kinds of oil are mixed between two and are formed by weight 1:1, LC
50value all slightly declines, and the virulence of cigarette aphid is all strengthened to some extent, but co-toxicity coefficient only has respectively 136.64,123.83,112.94, and the synergistic effect of first two mixture is not remarkable, and the latter but only has summation action.And by hair oil of bay, elsholtzia splendens oil, gray wool oil of negundo chastetree three by weight the composite mixture forming of 1:1:1, LC
50value significantly drops to 40.3295mg.L
-1, the virulence of cigarette aphid is significantly strengthened, co-toxicity coefficient significantly improves to 263.55, is greater than 200.Visible, only have the mixture that hair oil of bay, elsholtzia splendens oil, gray wool oil of negundo chastetree three are mixed and are formed, just have significant synergies.
The composite indoor joint toxicity measuring result to cigarette aphid of table 1 mao oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree
Note: hair oil of bay elsholtzia splendens oil mixture, hair oil of bay gray wool oil of negundo chastetree mixture, in elsholtzia splendens putty hair oil of negundo chastetree mixture, the weight ratio between various oil is 1:1; In hair oil of bay elsholtzia splendens putty hair oil of negundo chastetree mixture, three kinds of oily weight ratios are 1:1:1.
Embodiment 2
The preparation of 50% mao of osmanthus elsholtzia splendens gray wool Viticis Negundo Oil Emulsion finish
First adopt steam distillation, from Mao Guiye, elsholtzia splendens herb and gray wool leaf of negundo chastetree, extract respectively hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree.At 20～25 ℃, get 25 parts of hair oil of bays, 15 parts of elsholtzia splendens oil, 10 parts of gray wool oils of negundo chastetree, three is mixed, then add successively 12 parts of organosilicons, 26 parts of organic diesel oil, 8 parts of neopelexes, 1.5 parts of OPEOs and 2.5 parts of phenethyl phenol polyethenoxy polyethenoxy ethers, with the mixing speeds of 900 revs/min, stir 25 minutes, obtain 50% mao of osmanthus elsholtzia splendens gray wool Viticis Negundo Oil Emulsion finish, the stability of preparation and outward appearance are detected, qualified rear packing, obtains emulsifiable concentrate finished product.
Embodiment 3
The preparation of 40% mao of osmanthus elsholtzia splendens gray wool oil of negundo chastetree microemulsion
First adopt steam distillation, from Mao Guiye, elsholtzia splendens herb and gray wool leaf of negundo chastetree, extract respectively hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree.At 20～25 ℃, get 20 parts of hair oil of bays, 12 parts of elsholtzia splendens oil, 8 parts of gray wool oils of negundo chastetree, three is mixed, then add successively 6 parts of organosilicons, 13 parts of calcium dodecyl benzene sulfonates, 5 parts of phenethyl phenol polyethenoxy ethers, 5 parts of ethylene glycol, add again 31 parts of deionized waters, mix, with the mixing speeds of 900 revs/min, stir 25 minutes, obtain 40% mao of osmanthus elsholtzia splendens gray wool oil of negundo chastetree microemulsion, the stability of preparation and outward appearance are detected, qualified rear packing, obtains microemulsion finished product.
Embodiment 4
The preparation of 40% mao of osmanthus elsholtzia splendens gray wool oil of negundo chastetree aqueous emulsion
First adopt steam distillation, from Mao Guiye, elsholtzia splendens herb and gray wool leaf of negundo chastetree, extract respectively hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree.At 20～25 ℃, get 20 parts of hair oil of bays, 12 parts of elsholtzia splendens oil, 8 parts of gray wool oils of negundo chastetree, three is mixed, then add successively 2 parts of organosilicons, 8 parts of polyoxyethylene nonylphenol ether, 4.5 parts of polyoxyethylene nonylphenol ether phosphates, 6 parts of glycerine, after mixing, add 0.5 part of xanthans, add again 39 parts of deionized waters, at high-speed shearing emulsion machine, take rotating speed stirs 15 minutes under 10000 revs/min, obtain 40% mao of osmanthus elsholtzia splendens gray wool oil of negundo chastetree aqueous emulsion, the stability of preparation and outward appearance are detected, qualified rear packing, obtain aqueous emulsion finished product.
Embodiment 5
Hair oil of bay, elsholtzia splendens oil and the field control effectiveness test of gray wool oil of negundo chastetree Recompounded pesticide to cigarette aphid
Materials and methods: reagent agent is 50% mao of osmanthus elsholtzia splendens gray wool Viticis Negundo Oil Emulsion finish, 40% mao of osmanthus elsholtzia splendens gray wool oil of negundo chastetree microemulsion, 40% mao of osmanthus elsholtzia splendens gray wool oil of negundo chastetree aqueous emulsion, in the formula of each medicament, above-mentioned three kinds of oily weight ratios are 5:3:2.For examination vega, be Liuyang City, Hunan Province cigarette rice crop rotation cigarette ground, the flue-cured tobacco cultivars of plantation is K326.Test is small plot experiment, and each is processed and all establishes 3 replicated plots, establishes clear water contrast, and sets up defences and control the conventional chemical agent positive control of cigarette aphid.10 blades with cigarette aphid of strain mark are all determined in each community, and the quantity of adding up full leaf cigarette aphid guarantees that every community cigarette aphid number is greater than 120.With plastics knapsack sprayer, respectively by 500 times of each reagent agent, 1000 times, 1500 times dilutions, and 1500 times of dilutions of the conventional chemical agent of control cigarette aphid, impose on tobacco leaf tow sides by conventional spray.The cigarette aphid radix of the every community of investigation before dispenser, respectively at the 1st, 3,7 days investigation cigarette aphid alive numbers after dispenser.By following formula, calculate the control efficiency of each medicament:
wherein, Pt0: the borer population of living before chemicals treatment district medicine, Pt1: the borer population of living after chemicals treatment district medicine, CK0: the borer population of living before blank district medicine, CK1: the borer population of living after blank district medicine.
Result of the test: as known from Table 2, by hair oil of bay, elsholtzia splendens oil, composite 40% microemulsion of making of gray wool oil of negundo chastetree, 40% aqueous emulsion and 50% emulsifiable concentrate, in the field control effectiveness test of control cigarette aphid, all show and have obvious slow, their quick-acting is all significantly lower than chemical pesticide 20% Imidacloprid missible oil.At extension rate, be under the condition of 500 times, the preventive effect of above-mentioned three Plants source medicaments after medicine 1 day all over 81%, after medicine 3 days all over 91%, within after medicine 7 days, reach respectively 98.83%, 96.94% and 98.54%, now close with the preventive effect of 1500 times of chemical pesticide 20% Imidacloprid missible oil dilutions, demonstrate and there is significant control efficiency; At extension rate, be under the condition of 1000 times, above-mentioned three Plants source medicaments preventive effect of 7 days after medicine is respectively 92.41%, 87.54% and 93.75%, also has significant control efficiency.Visible, hair oil of bay, elsholtzia splendens oil and the composite botanical pesticide of making of gray wool oil of negundo chastetree, have significant control efficiency to cigarette aphid.The preventive effect of above-mentioned three Plants source medicaments is roughly close, and comparatively speaking the effect of 40% microemulsion is suitable with 50% emulsifiable concentrate, and the two is all better than 40% aqueous emulsion.
Table 2 mao oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree Recompounded pesticide are to cigarette aphid field control effectiveness test result
Note: in the formula of three kinds of formulation agricultural chemicals, hair oil of bay, elsholtzia splendens oil, the weight ratio of gray wool oil of negundo chastetree is 5:3:2.
Claims (14)
1. a botanical pesticide of preventing and treating cigarette aphid, is characterized in that, the composition being comprised of hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree is allocated emulsifiable concentrate, microemulsion or aqueous emulsion that auxiliary agent is made into; In described composition, the mass percentage content of each component is: hair oil of bay 30～65%, elsholtzia splendens oil 20～45%, gray wool oil of negundo chastetree 15～35%.
2. botanical pesticide as claimed in claim 1, is characterized in that, described emulsifiable concentrate comprises following mass percent component: composition 20～70%, emulsifier 5～20%, synergist 5～20%, bleeding agent 10～40%.
3. botanical pesticide as claimed in claim 1, is characterized in that, described microemulsion comprises following mass percent component: composition 10～60%, surfactant 7～25%, synergist 3～15%, antifreezing agent 5～10%, deionized water 10～60%.
4. botanical pesticide as claimed in claim 1, is characterized in that, described aqueous emulsion comprises following mass percent component: composition 10～60%, surfactant 5～20%, synergist 1～15%, antifreezing agent 5～10%, thickener 0.4～1%, deionized water 10～70%.
5. the botanical pesticide as described in claim 1～4 any one, is characterized in that, described hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree are from Mao Guiye, elsholtzia splendens herb and gray wool leaf of negundo chastetree, to be extracted and obtain respectively by steam distillation.
6. the botanical pesticide as described in claim 2～4 any one, is characterized in that, described synergist is one or more in Octacide 264, organosilicon, azone, alkyl carbonate, chlorination fat.
7. botanical pesticide as claimed in claim 2, it is characterized in that, described emulsifier is one or more in alkyl benzene sulfonate, phenethyl phenol polyethenoxy ethers, phenethyl phenol polyethenoxy polyoxypropylene ethers, alkylphenol polyoxyethylene class, tween.
8. the botanical pesticide as described in claim 3 or 4, it is characterized in that, described surfactant is one or more in alkylphenol polyoxyethylene class, alkyl benzene sulfonate, phenethyl phenol polyethenoxy ether polyoxypropylene ethers, phenethyl phenol polyethenoxy ethers, NaLS, sodium alkyl sulfate, tween; Described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine.
9. botanical pesticide as claimed in claim 2, is characterized in that, described bleeding agent is one or more in azone, organic diesel oil, epoxidized soybean oil, tung oil.
10. botanical pesticide as claimed in claim 4, is characterized in that, described thickener is one or more in xanthans, gum Arabic, Magnesiumaluminumsilicate, sodium carboxymethylcellulose.
The application of 11. 1 kinds of botanical pesticides, is characterized in that, the composition being comprised of hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree is allocated botanical pesticide emulsifiable concentrate, microemulsion or the aqueous emulsion that auxiliary agent makes into and is applied to prevent and treat cigarette aphid.
12. application as claimed in claim 11, is characterized in that, in described composition, the mass percentage content of each component is: hair oil of bay 30～65%, elsholtzia splendens oil 20～45%, gray wool oil of negundo chastetree 15～35%.
13. application as claimed in claim 11, is characterized in that, described hair oil of bay, elsholtzia splendens oil and gray wool oil of negundo chastetree are from Mao Guiye, elsholtzia splendens herb and gray wool leaf of negundo chastetree, to be extracted and obtain respectively by steam distillation.
14. application as described in claim 11～13 any one, is characterized in that, in described emulsifiable concentrate, the mass percentage content of composition is 20～70%; In described microemulsion, the mass percentage content of composition is 10～60%; In described aqueous emulsion, the mass percentage content of composition is 10～60%.
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| CN104488918A (en) * | 2014-12-01 | 2015-04-08 | 苏州市相城区盛胡特种养殖专业合作社 | Phytogenic synergistic compound insecticide containing tea polyphenol and dioscin |
| CN114521554A (en) * | 2021-07-01 | 2022-05-24 | 山东中医药大学 | Pesticide compound drug-loaded microsphere for honeysuckle and preparation method thereof |
| CN114521554B (en) * | 2021-07-01 | 2024-02-13 | 山东中医药大学 | Pesticide compound drug-loaded microsphere for honeysuckle and preparation method thereof |
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