CN102845490A - Botanical natural bactericide for pepper powdery mildew and its preparation method - Google Patents
Botanical natural bactericide for pepper powdery mildew and its preparation method Download PDFInfo
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- CN102845490A CN102845490A CN2012103146561A CN201210314656A CN102845490A CN 102845490 A CN102845490 A CN 102845490A CN 2012103146561 A CN2012103146561 A CN 2012103146561A CN 201210314656 A CN201210314656 A CN 201210314656A CN 102845490 A CN102845490 A CN 102845490A
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a botanical natural bactericide for pepper powdery mildew. Raw materials for the bactericide comprise garlic essential oil, a mixture of plant essential oils, an organic solvent, a surfactant and water. In the invention, the garlic essential oil is used as a main bactericidal agent, two or more than two of other plant essential oils are used as synergists, and the efficiency of killing pepper powdery mildew can be improved; because of combination of different chemical components of the plant essential oils, the botanical natural bactericide provided by the invention can still achieve the purpose of preventing and controlling the disease of pepper powdery mildew under the condition that the usage amount of the bactericide is reduced, and the possibility that a single compound or a plurality of compounds generate drug resistance can be avoided; chemical components in the invention are complex, there are a plurality of functional groups of different chemical composition, so action efficiency is improved, more synergism ways are increased, permeability among the chemical components is enhanced, and persistence of a drug effect of the bactericide on crops is improved. Most of the chemical components of the bactericide are originated from natural medicinal plants, so the bactericide is non-toxic to human beings and animals and is safe to the environment.
Description
Technical field
The invention belongs to the bactericide field, be specifically related to a kind of plant source natural bactericidal agent for pepper powdery mildew, contain galic essential oil, plants essential oil mixture, organic solvent, surfactant, water in the raw material of described bactericide; This bactericide is nontoxic to people and animals, and is environmentally safe.
Background technology
At present, the annual expense of using the pest control with insecticide agent to preventing and controlling pest in the whole world is up to 10,000,000,000 dollars, and even so, the loss that annual insect pest causes still accounts for 20-30 % of total output of crops.Yet, because the long-term chemical pesticide that uses brings environmental pollution and person poultry poisoning, the series of problems such as sick worm pesticide resistance raising, some countries have begun chemical pesticide is taked to limit the use of and the forbidding measure.Particularly 1992, world environments proposes " will control in the world sales volume and the use of chemical pesticide, the output of biopesticide in 2000 should account for 60 % of agricultural chemicals total amount " with the development conference, and afterwards, each state all strengthened development and the exploitation of biopesticide.
The research and development of pure natural plant source pesticide becomes emphasis and the focus of world gradually.Since 20 century 70s, countries in the world government has begun to pay attention to research, safe, harmless, efficient, the multi-functional botanical pesticide of development and application.According to the literature: the countries in the world scientist is studied desinsection, mildew-resistant, weeding and the growth promotion bioactive ingredients of 2000 various plants, and wherein being no lack of is traditional Chinese herbal medicine.These Chinese herbal medicines mainly comprise: Meliaceae (seal chinaberry, melia toosendan), composite family (Dalmatian chrysanthemum), pulse family (trifoliate jewelvine, Sophora alopecuroide), Ericaceae (Azalea pontica), Celastraceae (thunder godvine), Thymelaeceae (root of langdu), Labiatae (aldehydes matter), Lauraceae (camphor tree) etc.
So far, the portioned product listing has been arranged.Such as Dutch Ropapharm B. V. I. O. with Orv oil and thyme wet goods vegetable oil by the composite preparation that obtains, be used for killing plant pest and the sanitary insect pest effect highly significants such as mosquito, fly, and this medicine is better than take the chemical insecticide of lindane as the basis, humans and animals there is not toxic and side effect, be subject to the welcome of countries in the world, in the registered use of China." Frontline " botanical pesticide preparation of Germany's plant pesticide exploitation, the insect strong and crushing large to pesticide resistance in the vegetables-piebald worm has desirable control efficiency.
Botanical pesticide exploitation is is both at home and abroad mainly researched and developed from two innovation focuses:
The one, from traditional vegetable drug, extract desinsection, fungicidal activity position (composition), as host, be mixed with non-harmful agricultural chemicals.The plant that research and comparison is many has: composite family, Meliaceae, Celastraceae, Ericaceae, Thymelaeceae and mineral humic acid etc.As proposing pyrethrins, from tobacco leaf, isolate nicotine, from the tuber of stemona, isolate stemonine etc. from composite family.At present, China's botanical pesticide insecticide registered and that produce has: nicotine, galic essential oil, rotenone, pyrethrins, stemonine, chinaberry element, return artemisin, jervine, camptothecine and humic acid with and the about kind more than 30 of derivative;
The 2nd, from miscellaneous medicinal plant, isolate the active substance of desinsection, sterilization, make the derivative with insecticidal activity, or carry out the chemical constitution transformation as template, research by structure-activity relationship and insecticidal mechanism, carry out bionical synthetic, formulate out the agricultural chemicals of high-efficiency low-toxicity, as from feverfew, isolated pyrethrins, becoming by anti-intercrescence, research and production goes out more than 20 kind of pyrethroid, be widely used in crops, forestry, flowers and domestic hygiene insect, play significant control efficiency.But abundant at China's resources of medicinal plant, the plant of sterilization and disinsection has kind more than 4000 approximately, and the exploitation botanical pesticide is had advantageous advantage.Therefore, have the high and low botanical biological pesticide of cost of efficient in China's research and development, have great Social benefit and economic benefit.
Pepper powdery mildew is one of common disease of the vegetables such as capsicum, onion.The pepper powdery mildew blade of mainly causing harm, aging or young tender blade all can be killed, and the front is the irregular patch of yellow green, and without sharp edge, the white powder shape is mould not obvious, and the close living white powder in the back side (germ conidiophore and conidium) early comes off.Relatively more difficult control, this mainly is to be determined by the germ characteristics of causing harm.This germ belongs to Tartar's internal thread powdery mildew (Leveillula taurica), all ensconces the blade the inside the vegetative growth phase mycelia, when by the time producing brood body, just stretches out the blade face.So often be difficult to find in early days, and in case find that the medication control is just difficult again.Therefore, the control pepper powdery mildew all has great impact for the quality of the output that improves vegetables, assurance vegetables.
But, the obvious problem below frequently seen plants source pesticide and chemical pesticide exist in market competition in the market: the one, drug effect is slow, and the drug effect phase is short, and fungi-proofing insecticide efficiency is low; The 2nd, production cost is high; The 3rd, not strong for the drug effect of pepper powdery mildew; These three effects limit the industrialized development of botanical pesticide, need to solve the efficient and long-acting problem of existing product in the production practices, and to person poultry harmless, environment amenable plant source natural bactericidal agent for pepper powdery mildew.
Summary of the invention
The invention provides a kind of plant source natural bactericidal agent for pepper powdery mildew, contain galic essential oil, plants essential oil mixture, organic solvent, surfactant, water in the raw material of described bactericide; Drug effect of the present invention is fast, the drug effect phase is long, kill pepper powdery mildew efficient height, and to person poultry harmless, environmentally friendly.
The objective of the invention is to be achieved through the following technical solutions:
A kind of plant source natural bactericidal agent for pepper powdery mildew contains galic essential oil, plants essential oil mixture, organic solvent, surfactant, water in the raw material of described bactericide, the volume ratio of each raw material of described bactericide is:
Galic essential oil 10-25,
Plants essential oil mixture 100,
Organic solvent 190-250,
Surfactant 100-250,
Water 900-2500;
Further, comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 1-2:1-2:1:1:1:1-2.
Further, described organic solvent is one or more the mixture in methyl alcohol, ethanol, acetone, ethyl acetate, cyclohexanone, methyl oleate, n-butanol, the dimethyl formamide.
Further, described surfactant is one or more the mixture in alkyl phosphate class, alkylphenol polyoxyethylene phosphoric acid ester, aralkyl phenol polyethenoxy ether phosphoric acid ester, aliphatic acid polyethenoxy ether class, phenethyl phenol polyethenoxy ethers, phenethyl phenol polyethenoxy ether polyoxypropylene ethers and the analog thereof etc.
Further, described surfactant is the polyethenoxy sorbitan oleate.
The objective of the invention is to realize by following another technical scheme:
A kind of preparation method of the plant source natural bactericidal agent for pepper powdery mildew contains galic essential oil, plants essential oil mixture, organic solvent, surfactant, water in the raw material of described bactericide, the volume ratio of each raw material of described bactericide is:
Galic essential oil 10-25,
Plants essential oil mixture 100,
Organic solvent 190-250,
Surfactant 100-250,
Water 900-2500;
The preparation method of described plant source natural bactericidal agent for pepper powdery mildew comprises the steps:
A, described galic essential oil and blend of essential oils are mixed, obtain mixture A; Again described mixture A is dissolved in described organic solvent, obtains mixture B;
Described blend of essential oils is mixed by thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, the cinnamon oil of said ratio and forms;
B, described surfactant and water are mixed, obtain solvent C;
C, described mixture B and described solvent C are mixed, carry out stir process, obtain described plant source natural bactericidal agent for pepper powdery mildew;
In described stir process, temperature is 50-80 degree centigrade, and rotating speed is 1000-4000r/min, and the time is 10-40min.
The present invention has following beneficial effect compared to existing technology:
Because galic essential oil comprises two or more other plant essential oils as synergist, so the efficient of killing pepper powdery mildew that the present invention can improve as main bactericide among the present invention.
Because of the present invention is combination by the plants essential oil different chemical composition, so can under the condition that reduces consumption, still can reach the purpose of prevention and control pepper powdery mildew disease, also can prevent the possibility that single or several compounds develop immunity to drugs.
Because complex chemical composition of the present invention, and the function group that the several types chemical composition is arranged had both improved the efficient of effect, had increased more synergistic mode, also increased the permeability of chemical composition, so the present invention has improved the lasting medicine of said composition on crop.
Because chemical composition of the present invention derives from natural medicinal plant, belong to food or food additives, so the present invention is nontoxic to people and animals, environmentally safe.
Embodiment
Embodiment 1:
A kind of plant source natural bactericidal agent for pepper powdery mildew contains galic essential oil, plants essential oil mixture, organic solvent, surfactant, water in the raw material of described bactericide, the volume ratio of each raw material of described bactericide is:
Galic essential oil 10-25,
Plants essential oil mixture 100,
Organic solvent 190-250,
Surfactant 100-250,
Water 900-2500;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 1-2:1-2:1:1:1:1-2.
Described organic solvent is one or more the mixture in methyl alcohol, ethanol, acetone, ethyl acetate, cyclohexanone, methyl oleate, n-butanol, the dimethyl formamide.
Described surfactant is one or more the mixture in alkyl phosphate class, alkylphenol polyoxyethylene phosphoric acid ester, aralkyl phenol polyethenoxy ether phosphoric acid ester, aliphatic acid polyethenoxy ether class, phenethyl phenol polyethenoxy ethers, phenethyl phenol polyethenoxy ether polyoxypropylene ethers and the analog thereof etc.
Described surfactant is the polyethenoxy sorbitan oleate.
The preparation method of described plant source natural bactericidal agent for pepper powdery mildew comprises the steps:
A, described galic essential oil and blend of essential oils are mixed, obtain mixture A; Again described mixture A is dissolved in described organic solvent, obtains mixture B;
Described blend of essential oils is mixed by thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, the cinnamon oil of said ratio and forms;
B, described surfactant and water are mixed, obtain solvent C;
C, described mixture B and described solvent C are mixed, carry out stir process, obtain described plant source natural bactericidal agent for pepper powdery mildew;
In described stir process, temperature is 50-80 degree centigrade,
Be preferably 60 degrees centigrade,Rotating speed is 1000-4000r/min,
Be preferably 2000r/min,Time is 10-40min
, be preferably 20min
Because galic essential oil comprises two or more other plant essential oils as synergist, so the efficient of killing pepper powdery mildew that present embodiment can improve as main bactericide in the present embodiment.
Because present embodiment is combination by the plants essential oil different chemical composition, so can under the condition that reduces consumption, still can reach the purpose of prevention and control pepper powdery mildew disease, also can prevent the possibility that single or several compounds develop immunity to drugs.
Because the complex chemical composition of present embodiment, and the function group that the several types chemical composition is arranged had both improved the efficient of effect, had increased more synergistic mode, also increased the permeability of chemical composition, so present embodiment has improved the lasting medicine of said composition on crop.
Because the chemical composition of present embodiment derives from natural medicinal plant, belong to food or food additives, so present embodiment is nontoxic to people and animals, environmentally safe.
Thyme linaloe oil described in the present embodiment, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil respectively from the labiate thyme (
Thymus mongolicus) enter the florescence acrial part, Magnoliacea plant Chinese anise (
Fructus Anisi Stellati) fresh branches and leaves or ripening fruits, blue gum (
Eucalyptus Globulus) or the folium eucalypti tree (
Eucalyptus globulus) etc. Ye Hezhi, by the pinaceae plant masson pine (
Pinus massoniana Lamb) or Korean pine (
Pinus koraiensis) etc. resin (rosin), the canella fruit of a cubeb litsea tree (
Litsea cubeba) cauline leaf or fruit, canella Chinese cassia tree (
Cinnamomum cassia) dry branch or leaf in extract.Above-mentioned thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil are available from the magnificent natural perfume material oil of Ji'an City Qingyuan District refinery.
The used volume unit of present embodiment is milliliter, also can be for rising.
Water described in the present embodiment is deionized water.
Each raw material described in the present embodiment is the conventional products of selling on the market, and the equipment that uses in the present embodiment also is the conventional products of selling on the market.
In the present embodiment, each raw material in described can be in the ratio range that provides flexible combination, do not enumerate one by one at this.
Embodiment 2:
Present embodiment is the preferred version on embodiment 1 basis, and raw materials used quality is identical with embodiment 1, and the volume ratio of the raw material that should comprise for the plant source natural bactericidal agent of pepper powdery mildew is:
Galic essential oil 20,
Plants essential oil mixture 100,
Organic solvent 240,
Surfactant 240,
Water 2160;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:2:1:1:1:1;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
The used volume unit of present embodiment is milliliter, also can be for rising.
The preparation method of present embodiment is referring to embodiment 1.
Present embodiment is as follows for the test data of the control of frequently seen plants pepper powdery mildew.
Test site: in the Yongdeng County of Lanzhou capsicum green house, one mu of cultivated area, facility condition Pass Test requirement.
Reagent agent: the bactericide of present embodiment; Contrast medicament (tpn).
Application method: carried out for the first time the dispenser second time (deciding on weather conditions and incidence) after the dispenser in 10 days.During preparating liquid, use first a small amount of water pharmaceutical dissolution, then respectively by the spraying of normal concentration mixing.
The disease efficacy survey: state of an illness radix is investigated after the medication first time.Investigation 14d after dispenser investigates test region, check plot and clear water zone blade respectively, and the percentage that accounts for whole leaf area with the lesion area on each blade comes classification, and calculates control efficiency according to following formula.
The severity Scaling standard:
0 grade: blade is without scab
1 grade: scab accounts for below 5% of leaf area
3 grades: scab accounts for the 6%-15% of leaf area
5 grades: scab accounts for the 16%-25% of leaf area
7 grades: scab accounts for the 26%-50% of leaf area
9 grades: scab accounts for more than 50% of leaf area.
Table 1: preventive effect after the dispenser
| ? | Disease index | Preventive effect | The significance of difference |
| The contrast medicament | 0.31 | 95.57 | c |
| The bactericide 400 of present embodiment | 1.02 | 84.18 | c |
| The bactericide 600 of present embodiment | 0.68 | 84.68 | c |
| The bactericide 800 of present embodiment | 4.59 | 54.34 | b |
| Blank | 11.06 | - | a |
It is not remarkable that the bactericide of present embodiment is compared difference at 400,600 times control efficiency and contrast medicament (tpn), and preferably control efficiency is arranged.
Embodiment 3:
Present embodiment is the preferred version on embodiment 1 basis, and raw materials used quality is identical with embodiment 1, and the volume ratio of the raw material that should comprise for the plant source natural bactericidal agent of pepper powdery mildew is:
Galic essential oil 10,
Plants essential oil mixture 100,
Organic solvent 220,
Surfactant 165,
Water 935;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:2:1:1:1:1;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
The used volume unit of present embodiment is milliliter, also can be for rising.
The preparation method of present embodiment is referring to embodiment 1.
Present embodiment for the inhibiting test method of frequently seen plants pepper powdery mildew referring to embodiment 2, for test data such as the table 2 of the preventive effect of frequently seen plants pepper powdery mildew.
Table 2: preventive effect after the dispenser
| ? | Disease index | Preventive effect | The significance of difference |
| The contrast medicament | 2.24 | 81.16 | c |
| The bactericide 400 of present embodiment | 1.22 | 77.01 | c |
| The bactericide 600 of present embodiment | 2.11 | 54.33 | b |
| The bactericide 800 of present embodiment | 5.42 | 48.87 | b |
| Blank | 9.93 | - | a |
It is not remarkable that the bactericide of present embodiment is compared difference at 400 times preventive effect effect and contrast medicament (tpn), and preferably preventive effect effect is arranged.
Embodiment 4:
Present embodiment is the preferred version on embodiment 1 basis, and raw materials used quality is identical with embodiment 1, and the volume ratio of the raw material that should comprise for the plant source natural bactericidal agent of pepper powdery mildew is:
Galic essential oil 15,
Plants essential oil mixture 100,
Organic solvent 230,
Surfactant 200,
Water 1334;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
The used volume unit of present embodiment is milliliter, also can be for rising.
The preparation method of present embodiment is referring to embodiment 1.
Present embodiment for the inhibiting test method of frequently seen plants pepper powdery mildew referring to embodiment 2, for test data such as the table 3 of the preventive effect of frequently seen plants pepper powdery mildew.
Table 3: preventive effect after the dispenser
| ? | Disease index | Preventive effect | The significance of difference |
| The contrast medicament | 0.58 | 0.94 | c |
| The bactericide 400 of present embodiment | 0.67 | 0.93 | c |
| The bactericide 600 of present embodiment | 0.80 | 0.92 | c |
| The bactericide 800 of present embodiment | 1.54 | 0.84 | c |
| Blank | 10.23 | - | a |
It is not remarkable that the bactericide of present embodiment is compared difference at 400,600,800 times preventive effect effect and contrast medicament (tpn), and preferably preventive effect effect is arranged.
Embodiment 5:
Present embodiment is the preferred version on embodiment 1 basis, and raw materials used quality is identical with embodiment 1, and the volume ratio of the raw material that should comprise for the plant source natural bactericidal agent of pepper powdery mildew is:
Galic essential oil 20,
Plants essential oil mixture 100,
Organic solvent 240,
Surfactant 240,
Water 2160;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:1:1:1:1:2;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
The used volume unit of present embodiment is milliliter, also can be for rising.
The preparation method of present embodiment is referring to embodiment 1.
Present embodiment for the inhibiting test method of frequently seen plants pepper powdery mildew referring to embodiment 2, for test data such as the table 4 of the preventive effect of frequently seen plants pepper powdery mildew.
Table 4:
| ? | Disease index | Preventive effect | The significance of difference |
| The contrast medicament | 1.50 | 0.84 | c |
| The bactericide 400 of present embodiment | 1.56 | 0.83 | c |
| The bactericide 600 of present embodiment | 1.53 | 0.83 | c |
| The bactericide 800 of present embodiment | 2.03 | 0.79 | c |
| Blank | 10.35 | - | a |
It is not remarkable that the bactericide of present embodiment is compared difference at 400,600,800 times preventive effect effect and contrast medicament (tpn), and preferably preventive effect effect is arranged.
Embodiment 6:
Present embodiment is the preferred version on embodiment 1 basis, and raw materials used quality is identical with embodiment 1, and the volume ratio of the raw material that should comprise for the plant source natural bactericidal agent of pepper powdery mildew is:
Galic essential oil 10,
Plants essential oil mixture 100,
Organic solvent 220,
Surfactant 165,
Water 935;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:1:1:1:1:2;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
The used volume unit of present embodiment is milliliter, also can be for rising.
The preparation method of present embodiment is referring to embodiment 1.
Present embodiment for the inhibiting test method of frequently seen plants pepper powdery mildew referring to embodiment 2, for test data such as the table 5 of the preventive effect of frequently seen plants pepper powdery mildew.
Table 5: preventive effect after the dispenser
| ? | Disease index | Preventive effect | The significance of difference |
| The contrast medicament | 0.72 | 0.88 | c |
| The bactericide 400 of present embodiment | 1.08 | 0.82 | c |
| The bactericide 600 of present embodiment | 1.23 | 0.79 | c |
| The bactericide 800 of present embodiment | 1.79 | 0.70 | c |
| Blank | 6.05 | - | a |
It is not remarkable that the bactericide of present embodiment is compared difference at 400,600,800 times preventive effect effect and contrast medicament (tpn), and preferably preventive effect effect is arranged.
Embodiment 7:
Present embodiment is the preferred version on embodiment 1 basis, and raw materials used quality is identical with embodiment 1, and the volume ratio of the raw material that should comprise for the plant source natural bactericidal agent of pepper powdery mildew is:
Galic essential oil 15,
Plants essential oil mixture 100,
Organic solvent 230,
Surfactant 220,
Water 1334;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:1:1:1:1:2;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
The used volume unit of present embodiment is milliliter, also can be for rising.
The preparation method of present embodiment is referring to embodiment 1.
Present embodiment for the inhibiting test method of frequently seen plants pepper powdery mildew referring to embodiment 2, for test data such as the table 6 of the preventive effect of frequently seen plants pepper powdery mildew.
Table 6: preventive effect after the dispenser
| ? | Disease index | Preventive effect | The significance of difference |
| The contrast medicament | 0.56 | 0.92 | c |
| The bactericide 400 of present embodiment | 0.64 | 0.90 | c |
| The bactericide 600 of present embodiment | 0.63 | 0.91 | c |
| The bactericide 800 of present embodiment | 1.05 | 0.85 | c |
| Blank | 7.03 | - | a |
It is not remarkable that the bactericide of present embodiment is compared difference at 400,600,800 times preventive effect effect and contrast medicament (tpn), and preferably preventive effect effect is arranged.
Claims (10)
1. plant source natural bactericidal agent that is used for pepper powdery mildew, it is characterized in that: contain galic essential oil, plants essential oil mixture, organic solvent, surfactant, water in the raw material of described bactericide, the volume ratio of each raw material of described bactericide is:
Galic essential oil 10-25,
Plants essential oil mixture 100,
Organic solvent 190-250,
Surfactant 100-250,
Water 900-2500.
2. the plant source natural bactericidal agent for pepper powdery mildew according to claim 1 is characterized in that:
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 1-2:1-2:1:1:1:1-2.
3. the plant source natural bactericidal agent for pepper powdery mildew according to claim 1 and 2 is characterized in that: described organic solvent is one or more the mixture in methyl alcohol, ethanol, acetone, ethyl acetate, cyclohexanone, methyl oleate, n-butanol, the dimethyl formamide.
4. the plant source natural bactericidal agent for pepper powdery mildew according to claim 1 and 2 is characterized in that:
Described surfactant is one or more the mixture in alkyl phosphate class, alkylphenol polyoxyethylene phosphoric acid ester, aralkyl phenol polyethenoxy ether phosphoric acid ester, aliphatic acid polyethenoxy ether class, phenethyl phenol polyethenoxy ethers, phenethyl phenol polyethenoxy ether polyoxypropylene ethers and the analog thereof etc.
5. the plant source natural bactericidal agent for pepper powdery mildew according to claim 4, it is characterized in that: described surfactant is the polyethenoxy sorbitan oleate.
6. the plant source natural bactericidal agent for pepper powdery mildew according to claim 1 and 2 is characterized in that:
The volume ratio of each raw material of described bactericide is:
Galic essential oil 20,
Plants essential oil mixture 100,
Organic solvent 240,
Surfactant 240,
Water 2160;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:2:1:1:1:1;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
7. the plant source natural bactericidal agent for pepper powdery mildew according to claim 1 and 2 is characterized in that:
The volume ratio of each raw material of described bactericide is:
Galic essential oil 10,
Plants essential oil mixture 100,
Organic solvent 220,
Surfactant 165,
Water 935;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:2:1:1:1:1;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
8. the plant source natural bactericidal agent for pepper powdery mildew according to claim 1 and 2 is characterized in that:
The volume ratio of each raw material of described bactericide is:
Galic essential oil 15,
Plants essential oil mixture 100,
Organic solvent 230,
Surfactant 200,
Water 1334;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:2:1:1:1:1;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
9. the plant source natural bactericidal agent for pepper powdery mildew according to claim 1 and 2 is characterized in that:
The volume ratio of each raw material of described bactericide is:
Galic essential oil 20,
Plants essential oil mixture 100,
Organic solvent 240,
Surfactant 240,
Water 2160;
Comprise thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil in the described plants essential oil mixture, the volume ratio of described thyme linaloe oil, oil of badian, eucalyptus oil, turpentine oil, litsea cubeba oil, cinnamon oil is 2:1:1:1:1:2;
Described organic solvent is ethanol, and described surfactant is the polyethenoxy sorbitan oleate.
10. preparation method who is used for the plant source natural bactericidal agent of pepper powdery mildew, it is characterized in that: contain galic essential oil, plants essential oil mixture, organic solvent, surfactant, water in the raw material of described bactericide, the volume ratio of each raw material of described bactericide is:
Galic essential oil 10-25,
Plants essential oil mixture 100,
Organic solvent 190-250,
Surfactant 100-250,
Water 900-2500;
The preparation method of described plant source natural bactericidal agent for pepper powdery mildew comprises the steps:
A, described galic essential oil and blend of essential oils are mixed, obtain mixture A; Again described mixture A is dissolved in described organic solvent, obtains mixture B;
B, described surfactant and water are mixed, obtain solvent C;
C, described mixture B and described solvent C are mixed, carry out stir process, obtain described plant source natural bactericidal agent for pepper powdery mildew;
In described stir process, temperature is 50-80 degree centigrade, and rotating speed is 1000-4000r/min, and the time is 10-40min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104982470A (en) * | 2015-07-27 | 2015-10-21 | 江苏碧云天农林科技有限公司 | Natural fungicide for controlling citrus scab and preparation method for natural fungicide |
| CN106069394A (en) * | 2016-06-29 | 2016-11-09 | 安徽省固镇县谷阳有机蔬菜专业合作社 | A kind of prevention and controls of pepper powdery mildew |
| CN106172546A (en) * | 2016-07-22 | 2016-12-07 | 广西素安生态农业有限公司 | A kind of crop powdery mildew herbal control agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286031A (en) * | 1999-08-28 | 2001-03-07 | 冼启福 | Vegetative insecticidal germicidal agent |
| CN101336646A (en) * | 2008-05-06 | 2009-01-07 | 上海拜纳环保科技有限公司 | Natural environmental protection type dynamic sterilizing agent and preparation method thereof |
| CN101920028A (en) * | 2009-06-16 | 2010-12-22 | 杜文广 | Air fresher with sterilization function |
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2012
- 2012-08-30 CN CN201210314656.1A patent/CN102845490B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286031A (en) * | 1999-08-28 | 2001-03-07 | 冼启福 | Vegetative insecticidal germicidal agent |
| CN101336646A (en) * | 2008-05-06 | 2009-01-07 | 上海拜纳环保科技有限公司 | Natural environmental protection type dynamic sterilizing agent and preparation method thereof |
| CN101920028A (en) * | 2009-06-16 | 2010-12-22 | 杜文广 | Air fresher with sterilization function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104982470A (en) * | 2015-07-27 | 2015-10-21 | 江苏碧云天农林科技有限公司 | Natural fungicide for controlling citrus scab and preparation method for natural fungicide |
| CN106069394A (en) * | 2016-06-29 | 2016-11-09 | 安徽省固镇县谷阳有机蔬菜专业合作社 | A kind of prevention and controls of pepper powdery mildew |
| CN106172546A (en) * | 2016-07-22 | 2016-12-07 | 广西素安生态农业有限公司 | A kind of crop powdery mildew herbal control agent and preparation method thereof |
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