CN102669193B - Tea tree oil contained bactericidal compound preparation and preparation method and application thereof - Google Patents
Tea tree oil contained bactericidal compound preparation and preparation method and application thereof Download PDFInfo
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- CN102669193B CN102669193B CN201210164566.9A CN201210164566A CN102669193B CN 102669193 B CN102669193 B CN 102669193B CN 201210164566 A CN201210164566 A CN 201210164566A CN 102669193 B CN102669193 B CN 102669193B
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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 relates to tea tree oil contained bactericidal compound preparation and a preparation method and application thereof, and belongs to the technical field of bactericides. The tea tree oil contained bactericidal compound preparation comprises, by mass percent, 2.5-10% of iprodione, 15-40% of tea tree oil, 0-5% of organic solvent, 5-10% of emulsified dispersant, 0.5-2% of antifreezing agent, 0-0.5% of thickening agent, and the balance of water. The preparation method includes mixing well the tea tree oil, the iprodione, the organic solvent and the emulsified dispersant into oil, mixing well the antifreezing agent, the thickening agent and distilled water into solution, and mixing well the oil and the solution to obtain the tea tree oil contained bactericidal compound preparation. The tea tree oil contained bactericidal compound preparation is bactericidally effective, and accordingly consumption of chemical pesticides can be reduced. The tea tree oil contained bactericidal compound preparation meets the requirement for pesticide preparations on quality.
Description
Technical field
The invention belongs to bactericide technical field, be specifically related to a kind of bactericide compounded preparation, preparation method and application containing tea oil, this kind, containing tea oil compound sterilization preparation, is applied to the control of the diseases of garden stuff such as graw mold of tomato, tomato wilt, Botrytis cinerea, sclerotinia rot of colza, grey mould fruit rot of strawberry, apple anthracnose, apple canker and pear scab.
Technical background
Along with the extensive use of chemical pesticide, the problems such as pest resistance, residue of pesticide and environmental pollution become increasingly conspicuous.Developing low toxicity, low-residual, environmental influence little " environmental friendliness " or " biorational agricultural chemicals " are become to trend of the times, is the study hotspot of current PCO.
Botanical pesticide derives from nature, can degrade at natural world, does not conventionally pollute the environment and agricultural product.In environment and human body, the possibility of accumulation toxicity is little, comparatively safe to people and animals, little to pest natural enemy injury, has the feature of low toxicity, low-residual, can keep the high-quality of agricultural product.
Botanical fungicide refer to have sterilization, bacteriostatic activity plant some position or extract its active ingredient, and the monomeric substance of separation and purification processes, for the medicament of controlling plant diseases.Due to botanical fungicide, conventionally to bring into play drug effect slower, and active ingredient is easily decomposed, and is subject in actual applications certain restriction.
Tea oil (Tea Tree Oil) is that the fresh branches and leaves of Myrtaceae (Myrtaceae) Melaleuca (Melaleucal.) plant narrow leaved tea tree obtain colourless to flaxen essential oil through steam distillation.Tea oil has stronger bactericidal action, can effectively suppress multiple malignant bacteria and fungi, is widely used in the industries such as commodity, spices, food, medicine.
Summary of the invention
The object of the invention is to become aqueous emulsion for controlling plant diseases with tea oil with iprodione, can effectively reduce chemical pesticide usage amount, there is low toxicity, low-residual, to there being the feature of natural enemies security, be conducive to preserve the ecological environment.
The present invention adopts following technical scheme.
A compound sterilization preparation containing tea oil, is characterized in that comprising following component: iprodione 2.5-10%, tea oil 15-40%, organic solvent 0-5%, emulsifying dispersant 5-10%, antifreeze 0.5-2%, thickener 0-0.5%, water are surplus; Each component is mass percent.
Described organic solvent is one or more in methyl alcohol, ethanol, isopropyl alcohol, isooctanol, acetone, ethyl acetate, ethylene glycol.
Described emulsifying dispersant is one or more in ethylene oxide propylene oxide block copolymer, alkylphenol-polyethenoxy polyethenoxy ether, castor oil polyoxyethylene ether, the poly-trisiloxanes of ethyoxyl modification, alkyl benzene calcium sulfonate, sodium alkyl benzene sulfonate, magnesium alkylbenzene sulfonate, alkyl benzene sulphonate aluminium, alkylsurfuric acid calcium, sodium alkyl sulfate.
Described antifreeze is one or more in ethylene glycol, propane diols, glycerine, isopropyl alcohol, butanols, ammonium sulfate, urea.
Described thickener is one or more in gelatin, gum Arabic, cellulose gum, carboxymethyl cellulose.
The preparation method of the above-mentioned compound sterilization preparation containing tea oil, comprises the following steps:
(1) tea oil, iprodione, organic solvent and emulsifying dispersant are uniformly mixed into oil phase;
(2) antifreeze, thickener and distilled water are uniformly mixed into water;
(3) under agitation, the water that (2) step is formed is added drop-wise in the oil phase that (1) step form, and stirs, and obtains the compound sterilization preparation containing tea oil.
The present invention becomes aqueous emulsion by tea oil with iprodione, has given full play to tea oil to chemical bactericide synergistic function, reduces the consumption of chemical bactericide, and environmental pollution is little, and people and animals are had no side effect, and has a extensive future.Be used for preventing and treating the diseases of garden stuff such as rape, tomato, capsicum, lettuce, custard squash, apple, strawberry and pears; Can be applicable to the control of the diseases of garden stuff such as graw mold of tomato, tomato wilt, Botrytis cinerea, sclerotinia rot of colza, grey mould fruit rot of strawberry, apple anthracnose, apple canker and pear scab.
Of the present invention good containing the bactericide compounded preparation bactericidal effect of tea oil, can reduce the consumption of chemical pesticide, containing the bactericide compounded preparation of tea oil, meet pesticidal preparations quality requirement.Advantage of the present invention is that to utilize the tea oil of plant origin be main component, reduced the usage amount of chemical pesticide, and its preventive effect and chemical bactericide are suitable, thereby has reduced residual in agricultural product of chemical pesticide, can be applicable to the production of non-polluted farm product.
Specific implementation method
Below in conjunction with embodiment, further illustrate content of the present invention, but the present invention is not restricted to the scope of following embodiment.
Embodiment 1: the toxicity test of tea oil to plant pathogenic fungi
The toxicity test of table 1 tea oil to plant pathogenic fungi
Adopt mycelial growth rate method, measured the virulence of tea oil to 9 kinds of important plant disease fungis, as shown in Table 1, tea oil has compared with strong virus force 9 Plants germs.Wherein, the EC of tomato Fusarium oxysporum
50for 118.61mgL
-1, the EC of apple anthrax-bacilus
50for 829.56mgL
-1.
The preparation of the bactericide compounded preparation of embodiment 2:22.5% tea oil
The preparation of the bactericide compounded preparation of embodiment 3:45% tea oil
According to the formula shown in table 2 and table 3, be configured, configuration step is as follows:
(1) tea oil, organic solvent and emulsifier are uniformly mixed into oil phase;
(2) antifreeze, stabilizing agent and distilled water are uniformly mixed into water;
(3) under high-speed shearing machine stirs, the water that (2) step is formed is added drop-wise in the oil phase that (1) step form, and stirs and obtains tea oil bactericide.
Table 2 correspondence be the formula of embodiment 2, table 3 correspondence be the formula of embodiment 3.
The bactericide compounded pharmaceutical formulation of table 222.5% tea oil (22.5% refers to pesticide active ingredient, the content that iprodione and tea oil add up to, pesticide industry General Requirements is by this kind of form of presentation)
The bactericide compounded pharmaceutical formulation of table 345% tea oil
Embodiment 4: tea oil and iprodione aqueous emulsion physicochemical character measurement result
Embodiment 2 and the 3 prepared bactericide compounded preparation aqueous emulsions of tea oil are carried out to stability test, and method of testing accepted standard is all undertaken by national standard or CIPAC standard, and test result is in Table 4, shown in table 5.
The stability of the bactericide compounded preparation of table 422.5% tea oil
The stability of the bactericide compounded preparation of table 545% tea oil
From table 4 and table 5, can find out, tea oil provided by the present invention and iprodione aqueous emulsion all technical meet the quality of the pharmaceutical preparations and control requirement.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Embodiment 5: containing tea oil compositional bactericidal agent for preventing and treating vegetable disease field experiment
Utilize embodiment 2 and 3 prepared containing the bactericide compounded preparation of tea oil, to carry out field control effectiveness test, and with the medicament in contrast of conventional 50% iprodione suspending agent of preventing and treating gray mold at present, take clear water as blank.Test procedure is: the bactericide compounded preparation aqueous emulsion water containing tea oil provided by the present invention is diluted respectively after 200 times, for preventing and treating grey mould of lettuce.By 50% iprodione suspending agent of the prior art, after 2000 times of dilute with waters, for control grey mould of lettuce, result of the test is as shown in table 6.
As can be seen from Table 6, after dilution, the showing containing tea oil complex preparation and conventional medicament 50% iprodione suspending agent result of the test of the different content that embodiment 2 and 3 provides, after dispenser, the preventive effect of 7 days is all effective than conventional medicament.Execute latter 14 days, the preventive effect of example 3 is 7.33 times of conventional medicament.2 " Invest, Then Investigate "s of lettuce experimental field dispenser 3 times, leaf, the leaf look of each treatment region lettuce, cane are all without significant difference, and this says that reagent agent is safe to lettuce.Better to grey mould of lettuce control efficiency containing the bactericide compounded preparation of tea oil, can reduce chemical pesticide consumption, alleviate the pressure of agricultural chemicals to environment.
Table 6 is containing tea oil compositional bactericidal agent for preventing and treating vegetable disease field experiment result
Claims (3)
1. containing a compound sterilization preparation for tea oil, it is characterized in that, comprise following component: iprodione 2.5-10%, tea oil 15-40%, organic solvent 0-5%, emulsifying dispersant 5-10%, antifreeze 0.5-2%, thickener 0-0.5%, water are surplus; Each component is mass percent; Described organic solvent is one or more in methyl alcohol, ethanol, isopropyl alcohol, isooctanol, acetone, ethyl acetate; Described emulsifying dispersant is one or more in ethylene oxide propylene oxide block copolymer, alkylphenol-polyethenoxy polyethenoxy ether, castor oil polyoxyethylene ether, the poly-trisiloxanes of ethyoxyl modification, alkyl benzene calcium sulfonate, sodium alkyl benzene sulfonate, magnesium alkylbenzene sulfonate, alkyl benzene sulphonate aluminium, alkylsurfuric acid calcium, sodium alkyl sulfate; Described antifreeze is one or more in ethylene glycol, propane diols, glycerine, isopropyl alcohol, butanols, ammonium sulfate, urea; Described thickener is one or more in gelatin, gum Arabic, cellulose gum, carboxymethyl cellulose; Described emulsifying dispersant is the poly-trisiloxanes of ethylene oxide propylene oxide block copolymer, alkylphenol-polyethenoxy polyethenoxy ether and ethyoxyl modification.
2. the preparation method of arbitrary compound sterilization preparation claimed in claim 1, is characterized in that, comprises the following steps:
(1) tea oil, iprodione, organic solvent and emulsifying dispersant are uniformly mixed into oil phase;
(2) antifreeze, thickener and distilled water are uniformly mixed into water;
(3) under agitation, the water that (2) step is formed is added drop-wise in the oil phase that (1) step form, and stirs, and obtains the compound sterilization preparation containing tea oil.
3. arbitrary compound sterilization formulation application claimed in claim 1 is in the control of graw mold of tomato, Botrytis cinerea, grey mould fruit rot of strawberry diseases of garden stuff.
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Families Citing this family (5)
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CN102911788B (en) * | 2012-09-25 | 2014-02-12 | 华南理工大学 | Water-soluble tea tree oil and method for preparing same |
CN103636600B (en) * | 2013-12-05 | 2016-01-20 | 张建国 | A kind of agricultural agent composition |
CN105638758B (en) * | 2015-05-05 | 2018-10-23 | 北京联合大学 | A kind of tea oil-compound suspension emulsion of jamaicin antibacterial and preparation method thereof |
CN113615713A (en) * | 2021-08-09 | 2021-11-09 | 广东中迅农科股份有限公司 | Bactericidal composition for preventing and treating gray mold and preparation method thereof |
CN118177229A (en) * | 2024-03-19 | 2024-06-14 | 中国热带农业科学院南亚热带作物研究所 | Method for preventing mango anthracnose diseases by tea tree essential oil |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US6319949B1 (en) * | 1996-07-11 | 2001-11-20 | Syngenta Limited | Pesticidal sprays |
CN101524079A (en) * | 2009-01-16 | 2009-09-09 | 陕西韦尔奇作物保护有限公司 | Sterilizing composition compositing difenoconazole and iprodione |
CN101595889A (en) * | 2009-05-07 | 2009-12-09 | 深圳诺普信农化股份有限公司 | A kind of bactericidal composition that contains iprodione |
CN102369956A (en) * | 2011-10-18 | 2012-03-14 | 浙江农林大学 | Plant essential oil containing agricultural fungicide and sterilization applications thereof |
-
2012
- 2012-05-24 CN CN201210164566.9A patent/CN102669193B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6319949B1 (en) * | 1996-07-11 | 2001-11-20 | Syngenta Limited | Pesticidal sprays |
CN101524079A (en) * | 2009-01-16 | 2009-09-09 | 陕西韦尔奇作物保护有限公司 | Sterilizing composition compositing difenoconazole and iprodione |
CN101595889A (en) * | 2009-05-07 | 2009-12-09 | 深圳诺普信农化股份有限公司 | A kind of bactericidal composition that contains iprodione |
CN102369956A (en) * | 2011-10-18 | 2012-03-14 | 浙江农林大学 | Plant essential oil containing agricultural fungicide and sterilization applications thereof |
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