CN101385474A - Plant source natural bactericidal agent - Google Patents
Plant source natural bactericidal agent Download PDFInfo
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- CN101385474A CN101385474A CNA2008102158870A CN200810215887A CN101385474A CN 101385474 A CN101385474 A CN 101385474A CN A2008102158870 A CNA2008102158870 A CN A2008102158870A CN 200810215887 A CN200810215887 A CN 200810215887A CN 101385474 A CN101385474 A CN 101385474A
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Abstract
The invention relates to a botanical natural disinfectant, which is characterized in that the disinfectant is prepared by mixing active components including patchouli essential oil and composite of various plant essential oils and solvent; wherein, the active components are prepared by mixing 0.5 to 30.0 percent of patchouli essential oil, cinnamon essential oil, perilla essential oil, eucalyptus essential oil, litsea cubeba essential oil and citronella essential oil and are used for preventing the crop disease caused by plant pathogenic bacteria. Compared with the original disinfectant, the botanical natural disinfectant has the advantages of good broad spectrum sterilization, safety to non-target organism and environment-friendly biodegradation.
Description
Technical field
The present invention relates to a kind of vegetable source natural bactericide, relate in particular to a kind of botanical fungicide that is used for the crop disease control that causes because of phytopathogen, and preparation method thereof, the platymiscium agricultural chemicals.
Technical background
Plant disease is usually brought heavy losses to agricultural production.And 80% be microbial by pathogenic in the plant disease, how to prevent and treat fungal diseases of plants effectively, be one of problem demanding prompt solution in the agricultural production always.Traditional method is to prevent and treat by the agricultural chemicals goods of using chemosynthesis.Yet because long-term a large amount of use of chemical pesticide, its residue has also caused very big destruction to the ecotope system, simultaneously because diversity, variability and the pesticide resistance of pathogen have brought difficulty also for the long-term control of corps diseases.
China is agricultural production big country, and the disease of control crops is the essential condition that modern big agriculture is commercially produced.Solve the problems such as pollution, residual hazard and pesticide resistance that agricultural chemicals brought, caused social extensive concern.And along with the banning use of of many high toxicities, high residue and persistent pesticide, people turn to sight in novel, the green natural agricultural chemicals of active height, bio-safety, residual low, easy degraded.Exploitation green bio agricultural chemicals is the good footpath that addresses this problem from the plant extract material.
Plant pesticide is a class of green bio agricultural chemicals, derives from the extract of plant, and these plants are parts of ecotope, because its functional component is naturally occurring plant extracts, be easy to degraded, do not have accumulation toxicity possibility in environment, the agricultural chemicals less eco-environmental impact.Studies show that in recent years, the various plants essential oil has antibacterial, sterilization effects to phytopathogen, to non-target organism safety, can be used as the agricultural chemicals of environment-friendly type, has broad application prospects.
For example, open people's reports such as Ying Lao, Chinese prickly ash, rhizoma atractylodis, agalloch eaglewood, tarragon and acetone extract extract in one's early teens are respectively to dothiorella gregaria bacterium (D.gregaria), cotton-wilt fusarium (F.oxysporumf.sp.vasinfectum), tomato early blight bacterium (A.solani), the inhibitory action of rhizoctonia cerealis (R.solani) and fusarium graminearum 5 plant species pathogen biologically actives such as (F.graminearum) (is opened and should be ironed, Yin Caiping, 15 kinds of Chinese medical extracts are to the Primary Study [J] of several plant pathogen bacteriostatic activity, Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology's journal (natural science edition), 2005,33 (8), 175); The water extract that people such as Chen Lijun have reported macleaya cordata, Chinese tallow tree has the obvious suppression effect to the mycelial growth of big purple blotch of onion bacterium, withered germ of water-melon, and the Chinese tallow tree extract all has than obvious suppression effect (Chen Lijun, Yin Jian, Xiong Jianwei 3 kinds of pathogens big purple blotch of onion bacterium, sealwort alcohol extract withered germ of water-melon, macleaya cordata extract, Deng, 7 kinds of medicinal plant extract bacteriostatic activities are measured [J], the Anhui agricultural science, 2006,34 (21), 5562).These are for the exploitation of bactericide with apply scientific basis is provided.
Summary of the invention
The purpose of this invention is to provide a kind of vegetable source natural bactericide, and preparation method thereof, relate in particular to a kind of botanical fungicide that is used for the crop disease control that causes because of phytopathogen.
Purpose of the present invention is achieved through the following technical solutions: the Herba Pogostemonis essential oil with 0.5～30.0% is with after several plants essential oil compositions fully mix, ratio with 0.1%～20.0% is scattered in 1.0%～40.0% the solvent of being made up of non-ionic surface active agent and water, mixing and stirring obtains emulsification preparation.
Functional component of the present invention is made up of plants essential oil, comprises Herba Pogostemonis essential oil and several plants essential oil compositions.Wherein several vegetable compositions comprise cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil, lemongrass essential oil, the mixture of one or more that can be wherein.
Ionic surfactant pack of the present invention is drawn together aliphatic alcohol polyethenoxy class, polyoxyethylene alkylphenol ether class, Sulfonates, sulfonic acid esters, amide-type, silicone based, can be wherein one or more.Wherein, being preferably the non-ionic surface active agent of sorbitan fatty acid ester (sapn) and polyoxyethylene sorbitan carboxylic ester (tween), can be one or both mixture wherein.
Patchouli oil used in the present invention, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil, lemongrass essential oil are to extract from leaf, canella fruit of a cubeb litsea tree cauline leaf or the fruit of seed, myrtle blue gum or the eucalyptus citriodora of Labiatae thorn stamen grass genus Pogostemon cablin, lip type section plant purple perilla, grass tree section Cymbopogon plant lemongrass herb respectively.
Preparation method of the present invention is, with cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil, the lemongrass essential oil, mix by following proportioning: cinnamon essential oil (1.0～36.0%), Fructus Perillae quintessence oil (1.0～30.0%), eucalyptus leaf essential oil (1.0～40.0%), litsea cubeba oil (5.0～60.0%), lemongrass essential oil (1.0～30.0%), obtain several plants essential oil compositions, again with Herba Pogostemonis essential oil with after this plants essential oil composition fully mixes according to 0.5～30.0% ratio, ratio with 0.1%～20.0% is scattered in 1.0%～40.0% the solvent of being made up of non-ionic surface active agent and water, mixing and stirring obtains emulsification preparation.
After the preparation method is preferably composition with 5.0～20.0% Herba Pogostemonis essential oil and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil and mixes, be scattered in 8.0～30.0% the solvent with 3.0%～15.0% ratio again, mixing and stirring obtains emulsification preparation.
After the preparation method more preferably mixes the composition of 10.0～18.0% Herba Pogostemonis essential oil and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil, be scattered in 11.0～20.0% the solvent with 5.0%～12.0% ratio again, mixing and stirring obtains emulsification preparation.
After the preparation method most preferably is composition with 10.0% Herba Pogostemonis essential oil and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil and mixes, be scattered in 18.0% the solvent with 10.0% ratio again, mixing and stirring obtains emulsification preparation.
The present invention can be used for the control of the corps diseases that causes because of phytopathogen.Compare with bactericide in the past, the present invention has the following advantages:
1. natural green bactericide.The biocidal efficacies composition that the present invention is used is natural plant extracts, has safety non-toxic, biodegradable green, environmental protection characteristic.
2. has good broad-spectrum sterilization, to non-target organism safety.
For example, product of the present invention can suppress the activity of following phytopathogen, santal stey (P.macrochaeta), Chinese cassia tree stey (P.eugenae P.k), tomato early blight bacterium (A.solani), sclerotinite (S.scloro tiorum), water spinach zonate spot bacterium (P.physaleos), capsicum Phomopsis (P.vexans), rhizoctonia (R.solani K ü hn), cucumber anthracnose (C.lagenarium (Pass.) Eu.Et Halst), pepper anthracnose (G.piperatum), corn is bent spore leaf spot fungi (C.lunata), mutually every Alternaria (A.alternata), fusarium moniliforme (F.moniliforme), Fusarium oxysporum (F. oxysporum), withered germ of water-melon (F.oxysporiumf.sp.niveum), big purple blotch of onion bacterium (A.porri), celery septoria disease bacterium (S.apiicpla), cotton-wilt fusarium (F.xysporumf.sp.vasinfectum), botrytis cinerea (B.Cirerea), dothiorella gregaria bacterium (D.regaria), Sclerotinia sclerotiorum (S.lerotiorum), fusarium graminearum (F.graminearum), rhizoctonia cerealis (R.cerealis), target chain lattice spores (A.solani), to foreign elm wilt (C.ulmi), the mutation (X.campestri pv.oryzae) of causing a disease of xanthomonas campestris paddy rice, the chrysanthemum Erwinia corn subspecies (E.chrysanthemi pv.zeae) of causing a disease, Phytophthora capsici germ (P.capsici), Berkeley ball chamber bacterium (M. berkeleyi), wheat powdery mildew (E.graminisf.sp.tritici), Exserohilum turcicum (E.turcicum), tobacco brown spot pathogen (A.longipes), root rotof flax bacterium (B.sorokiniana), cucumber downy mildew (P.cubensis), banana alternaria (M.fijiensis), apple black star bacteria (V.inaequalis), downy mildew of garpe bacterium (P.viticola) and lawn greyness germ (P.grisea), barley powdery mildew bacteria (E.graminisf.sp.Hordei), powdery mildew of cucumber bacterium (S.fuliginea), net blotch of barley bacterium (P.teres), barley moire pinta bacterium (R.secalis), grape powdery mildew bacterium (U.necator), green mold of citrus bacterium (P.digitatum), citrus pathogens penicillium (P.italicum), wheat eye spot bacterium (P.herpotrichoides) banana secret note pinta bacterium (M.fijiensis var.difformis), watermelon didymella bryoniae (D. bryoniae), phytophthora infestans (P.infestans), Phytophthora capsici (P.capsici), soybean phytophthora (P.sojae), lettuce dish downy mildew (B.lactucae), ash arrhizus bacteria (B.cinerea), etc.
Embodiment
Below in conjunction with embodiment, the invention will be further described.The specific descriptions of embodiment do not constitute any limitation scope of the present invention.
The preparation of embodiment 1 vegetable source natural bactericide
Get purity and be 98.0% Herba Pogostemonis essential oil, ratio with 22.0% with by purity be that 97.0% cinnamon essential oil accounts for that 23.0%, 98.0% Fructus Perillae quintessence oil accounts for that 30.0%, 95.0% eucalyptus leaf essential oil accounts for 12.0%, after litsea cubeba oil accounts for 5.0% and 95.0% lemongrass essential oil and accounts for 30.0% vegetable oil composition of forming and mix, be dispersed in the solvent that 12.0% polyoxyethylenesorbitan sorbitan monooleate and water forms according to 2.0% ratio again, under 50 ℃, 1500r/min, mix and stir 20min, obtain to have the emulsification preparation of biocidal efficacies.
The preparation of embodiment 2 vegetable source natural bactericide
Get purity and be 98% Herba Pogostemonis essential oil, ratio with 10.0% accounts for 12.0% with the cinnamon essential oil that by purity is 98.0%, 99.0% Fructus Perillae quintessence oil accounts for 16.0%, 97.0% eucalyptus leaf essential oil accounts for 20.0%, after 97.0% litsea cubeba oil accounts for 42.0% and 95.0% lemongrass essential oil and accounts for the 10.0% plants essential oil composition of forming and mix, be scattered in the solvent of forming by 18.0% sorbitol anhydride list cinnamate and water according to 10.0% ratio again, at 50 ℃, 1500r/min mixes stirring 20min down, obtaining by the various plants essential oil is the emulsification preparation of functional component, obtains to have environmental protection, safety, high activity, the vegetable source natural bactericide of the biocidal efficacies of noresidue.
The preparation of embodiment 3 vegetable source natural bactericide
Get purity and be 98.0% Herba Pogostemonis essential oil, ratio with 6.0% with by purity be that 98.0% cinnamon essential oil accounts for 6.0%, after Fructus Perillae quintessence oil accounts for 26.0%, 970% eucalyptus leaf essential oil and accounts for 16.0%, 98.0% litsea cubeba oil and account for 32.0% and 95.0% citronella oil and account for 20.0% vegetable oil composition of forming and mix, be dispersed in the solvent that 21.0% polyoxyethylenesorbitan sorbitan monooleate (Tween-80) and water forms according to 15.0% ratio again, under 55 ℃, 1000r/min, mix and stir 15min, obtain to have the emulsification preparation of biocidal efficacies.
The preparation of embodiment 4 vegetable source natural bactericide
Get purity and be 98.0% Herba Pogostemonis essential oil, ratio with 18.0% accounts for 36.0% with the cinnamon essential oil that by purity is 97.0%, Fructus Perillae quintessence oil accounts for 2.0%, 97.0% eucalyptus leaf essential oil accounts for 30.0%, after 98.0% litsea cubeba oil accounts for 24.0% and 95.0% lemongrass essential oil and accounts for 8.0% vegetable oil composition of forming and mix, be dispersed in the solvent that 12.0% polyoxyethylenesorbitan sorbitan monooleate (Tween-80) and water forms according to 8.0% ratio again, at 55 ℃, 1200r/min mixes stirring 15min down, obtains to have the emulsification preparation of biocidal efficacies.
The preparation of embodiment 5 vegetable source natural bactericide
Get purity and be 98.0% Herba Pogostemonis essential oil, ratio with 2.0% accounts for 18% with the cinnamon essential oil that by purity is 98.0%, 99.0% Fructus Perillae quintessence oil accounts for 8.0%, 97.0% eucalyptus leaf essential oil accounts for 26.0%, after 97.0% litsea cubeba oil accounts for 34.0% and 95.0% lemongrass essential oil and accounts for the 14.0% plants essential oil composition of forming and mix, be scattered in by 26.0% sorbitol anhydride list cinnamate according to 3.0% ratio again, in the solvent that 14.0% polyoxyethylenesorbitan sorbitan monooleate (Tween-80) and water are formed, at 50 ℃, 1500r/min mixes stirring 20min down, obtaining by the various plants essential oil is the emulsification preparation of functional component, obtains to have environmental protection, safety, high activity, the vegetable source natural bactericide of the biocidal efficacies of noresidue.
The preparation of embodiment 6 vegetable source natural bactericide
Get purity and be 98% Herba Pogostemonis essential oil, ratio with 26.0% accounts for 32.0% with the FRUCTUS CINNAMOMI CASSIAE LMMA-TURI essential oil that by purity is 97%, 98.0% Fructus Perillae quintessence oil accounts for 22.0%, 95.0% eucalyptus leaf essential oil accounts for 8.0%, after 97.0% litsea cubeba oil accounts for 16.0% and 95.0% lemongrass essential oil and accounts for 22.0% vegetable oil composition of forming and mix, be dispersed in the solvent that 8.0% polyoxyethylenesorbitan sorbitan monooleate (Tween-80) and water forms according to 0.8% ratio again, at 50 ℃, 1500r/min mixes stirring 20min down, obtains to have the emulsification preparation of biocidal efficacies.
The preparation of embodiment 7 vegetable source natural bactericide
Get purity and be 98.0% Herba Pogostemonis essential oil, ratio with 0.5% with account for 2.0% by 97.0% cinnamon essential oil, 98.0% Fructus Perillae quintessence oil accounts for 12.0%, 95.0% eucalyptus leaf essential oil accounts for 30.0%, after 97.0% litsea cubeba oil accounts for 52.0% and 95.0% lemongrass essential oil and accounts for 4.0% vegetable oil composition of forming and mix, be dispersed in by 5.0% sorbitol anhydride list cinnamate according to 20.0% ratio again, in the solvent that 30.0% polyoxyethylenesorbitan sorbitan monooleate (Tween-80) and water are formed, at 55 ℃, 1200r/min mixes stirring 15min down, obtains to have the emulsification preparation of biocidal efficacies.
The preparation of embodiment 8 vegetable source natural bactericide
Get purity and be 98.0% Herba Pogostemonis essential oil, after ratio with 30.0% and the Fructus Perillae quintessence oil that is accounted for 26.0%, 98.0% by 97.0% cinnamon essential oil account for 10.0%, 95.0% eucalyptus leaf essential oil and account for 40.0%, 97.0% litsea cubeba oil and account for 12.0% and 95.0% lemongrass essential oil and account for 12.0% vegetable oil composition of forming and mix, be dispersed in the solvent that 1.0% sorbitol anhydride list cinnamate and water forms according to 0.1% ratio again, under 55 ℃, 1200r/min, mix and stir 15min, obtain to have the emulsification preparation of biocidal efficacies.
The bacteriostasis of embodiment 9 vegetable source natural bactericide
For trying bactericide: product of the present invention (the vegetable source natural bactericide of embodiment 2 preparations).
For the examination bacterial classification: the curved spore leaf spot fungi of santal stey, Chinese cassia tree stey, tomato early blight bacterium, sclerotinite, water spinach zonate spot bacterium, capsicum Phomopsis, rhizoctonia, cucumber anthracnose, pepper anthracnose, corn, mutually every Alternaria, fusarium moniliforme, Fusarium oxysporum.
Experimental technique: adopt indoor flat plate bacteria inhibition assay method (containing toxic medium method).
Under aseptic condition, product of the present invention (vegetable source natural bactericide) is diluted with water to different concentration, add in about 50 ℃ the PDA medium, obtain containing the medium of different vegetable source natural concentration of sterilant, fully behind the vibration mixing, pour in the culture dish of diameter 9cm, as processed group; Prepare identical PDA medium simultaneously, only do not contain the vegetable source natural bactericide, in contrast group.Be taken at the confession examination bacterial classification of 5～7 days (mycelia evenly is covered with media surface) of growing on the PDA medium, cut bacterium cake (medium carries disease germs) at colony edge, the bacterium cake is seeded to respectively contains in bactericide medium and the control medium, 1 of each culture dish inoculation bacterium cake, put 26 ± 0.5 ℃ interior the cultivation 3～7 days of biochemical incubator, after treating that mycelium in the control group culture dish is fully grown, measure two groups of colony diameters, calculate under each concentration of treatment the vegetable source natural bactericide the bacteriostasis rate of pathogen.
Experimental calculation: measure colony diameter twice by the right-angled intersection method, get the size that its mean value is tested bacterium colony, the antibacterial percentage of bactericide is calculated as follows:
Average diameter * 100% of inhibiting rate (%)=(average diameter of the average diameter of control group bacterium colony-processed group bacterium colony) ÷ control group bacterium colony
Experimental result: table 1 shows, product of the present invention all has in various degree inhibitory action to the 13 plant species pathogens of being tried.Although under same bactericide concentration of treatment, the inhibition effect between the different strain has than big-difference, all shows as the visible trend that inhibition strength is strengthened along with the raising of concentration of treatment.
Table 1 vegetable source natural bactericide is to the inhibitory action of plant pathogenic fungi
The bacteriostasis of embodiment 10 vegetable source natural bactericide
For trying bactericide: product of the present invention (the vegetable source natural bactericide of embodiment 4 preparations).
For trying bacterial classification: withered germ of water-melon, big purple blotch of onion bacterium, celery septoria disease bacterium.
Experimental technique: with embodiment 6.
Experimental result: table 2 shows, product of the present invention all has in various degree inhibitory action to the 3 plant species pathogens of being tried.
Table 2 vegetable source natural bactericide is to the inhibitory action of plant pathogenic fungi
The bacteriostasis of embodiment 11 vegetable source natural bactericide
For trying bactericide: product of the present invention (the vegetable source natural bactericide of embodiment 3 preparations).
For trying bacterial classification: cotton-wilt fusarium, botrytis cinerea, dothiorella gregaria bacterium, Sclerotinia sclerotiorum, fusarium graminearum.
Experimental technique: with embodiment 6.
Experimental result: table 3 shows, product of the present invention all has in various degree inhibitory action to the 5 plant species pathogens of being tried.
Table 3 vegetable source natural bactericide is to the inhibitory action of 5 plant species pathogens
Claims (8)
1. vegetable source natural bactericide, it is characterized in that being formed at interior functional component and solvent proportioning by Herba Pogostemonis essential oil and several plants essential oil compositions, described functional component is mixed with 0.5～30.0% ratio and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil by Herba Pogostemonis essential oil.
2. vegetable source natural bactericide as claimed in claim 1 is characterized in that cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil carry out mixing match according to following ratio:
Cinnamon essential oil: Fructus Perillae quintessence oil: eucalyptus leaf essential oil: litsea cubeba oil: lemongrass essential oil=1.0～36.0%:1.0～30.0%:1.0～40.0%:5.0～60.0%:1.0～30.0%.
3. vegetable source natural bactericide as claimed in claim 2, it is characterized in that described solvent is 1.0～40.0% the non-ionic surface active agent and the mixture of water, non-ionic surface active agent is aliphatic alcohol polyethenoxy class, polyoxyethylene alkylphenol ether class, Sulfonates, sulfonic acid esters, amide-type, silicone based any or more than one mixture.
4. according to claim 1 or 3 described arbitrary vegetable source natural bactericide, it is characterized in that described non-surface-active agent is the mixture of any of sorbitan fatty acid ester or polyoxyethylene sorbitan carboxylic ester or two kinds.
5. the preparation method of a vegetable source natural bactericide, after it is characterized in that composition with 0.5～30.0% Herba Pogostemonis essential oil and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil mixes, be scattered in 1.0～40.0% the solvent with 0.1%～20.0% ratio again, mixing and stirring obtains emulsification preparation;
Described cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil carry out mixing match according to following ratio:
Cinnamon essential oil: Fructus Perillae quintessence oil: eucalyptus leaf essential oil: litsea cubeba oil: lemongrass essential oil=1.0～36.0%:1.0～30.0%:1.0～40.0%:5.0～60.0%:1.0～30.0%.
6. the preparation method of vegetable source natural bactericide as claimed in claim 5, it is characterized in that described preparation method is for after the composition with 5.0～20.0% Herba Pogostemonis essential oil and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil mixes, be scattered in 8.0～30.0% the solvent with 3.0%～15.0% ratio again, mixing and stirring obtains emulsification preparation.
7. the preparation method of vegetable source natural bactericide as claimed in claim 6, it is characterized in that described preparation method is for after the composition with 10.0～18.0% Herba Pogostemonis essential oil and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil mixes, be scattered in 11.0～20.0% the solvent with 5.0%～12.0% ratio again, mixing and stirring obtains emulsification preparation.
8. a vegetable source natural bactericide is used for purposes aspect the corps diseases medicine that phytopathogen causes in preparation, it is characterized in that the vegetable source natural bactericide is formed at interior functional component and solvent proportioning by Herba Pogostemonis essential oil and several plants essential oil compositions, described functional component is mixed with 0.5～30.0% ratio and cinnamon essential oil, Fructus Perillae quintessence oil, eucalyptus leaf essential oil, litsea cubeba oil and lemongrass essential oil by Herba Pogostemonis essential oil.
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2008
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