CN101919417A - Plant source pesticide containing cashew nut shell oil and preparation method thereof - Google Patents
Plant source pesticide containing cashew nut shell oil and preparation method thereof Download PDFInfo
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- CN101919417A CN101919417A CN2010102652995A CN201010265299A CN101919417A CN 101919417 A CN101919417 A CN 101919417A CN 2010102652995 A CN2010102652995 A CN 2010102652995A CN 201010265299 A CN201010265299 A CN 201010265299A CN 101919417 A CN101919417 A CN 101919417A
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- cashew nut
- nut shell
- shell oil
- botanical pesticide
- pesticide
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- 244000226021 Anacardium occidentale Species 0.000 title claims abstract description 61
- 235000020226 cashew nut Nutrition 0.000 title claims abstract description 61
- 239000000575 pesticide Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 241000196324 Embryophyta Species 0.000 title abstract description 9
- 239000003921 oil Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 239000002562 thickening agent Substances 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 7
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 230000002528 anti-freeze Effects 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- -1 polyoxyethylene Polymers 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
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- 230000001804 emulsifying effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 claims description 2
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 claims description 2
- BWDBEAQIHAEVLV-UHFFFAOYSA-N 6-methylheptan-1-ol Chemical compound CC(C)CCCCCO BWDBEAQIHAEVLV-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 2
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 150000004996 alkyl benzenes Chemical class 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 235000009508 confectionery Nutrition 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 239000008398 formation water Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 239000001593 sorbitan monooleate Substances 0.000 claims description 2
- 235000011069 sorbitan monooleate Nutrition 0.000 claims description 2
- 229940035049 sorbitan monooleate Drugs 0.000 claims description 2
- 239000000600 sorbitol Substances 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 241001124076 Aphididae Species 0.000 abstract description 8
- 239000000839 emulsion Substances 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 6
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- 230000002401 inhibitory effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 2
- 239000007798 antifreeze agent Substances 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 46
- 241000894006 Bacteria Species 0.000 description 24
- 241000220225 Malus Species 0.000 description 9
- 230000003385 bacteriostatic effect Effects 0.000 description 7
- 241000193738 Bacillus anthracis Species 0.000 description 5
- 235000009754 Vitis X bourquina Nutrition 0.000 description 5
- 235000012333 Vitis X labruscana Nutrition 0.000 description 5
- 240000006365 Vitis vinifera Species 0.000 description 5
- 235000014787 Vitis vinifera Nutrition 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 235000014347 soups Nutrition 0.000 description 5
- 241000123650 Botrytis cinerea Species 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000000749 insecticidal effect Effects 0.000 description 4
- 244000052769 pathogen Species 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 241000223195 Fusarium graminearum Species 0.000 description 3
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 3
- 240000003768 Solanum lycopersicum Species 0.000 description 3
- 244000061458 Solanum melongena Species 0.000 description 3
- 235000002597 Solanum melongena Nutrition 0.000 description 3
- 239000003905 agrochemical Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000001717 pathogenic effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
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- 241000982105 Brevicoryne brassicae Species 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 244000126002 Ziziphus vulgaris Species 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000004166 bioassay Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 231100000053 low toxicity Toxicity 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000010466 nut oil Substances 0.000 description 2
- 235000010603 pastilles Nutrition 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 235000006008 Brassica napus var napus Nutrition 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 241001674939 Caulanthus Species 0.000 description 1
- 241000296609 Celastrus angulatus Species 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
- 241001529387 Colletotrichum gloeosporioides Species 0.000 description 1
- 235000016061 Coriaria sinica Nutrition 0.000 description 1
- 241000235819 Cytospora Species 0.000 description 1
- 241000901048 Elsinoe ampelina Species 0.000 description 1
- 241000223218 Fusarium Species 0.000 description 1
- 241000611205 Fusarium oxysporum f. sp. lycopersici Species 0.000 description 1
- 241000872598 Fusicladium sp. Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 240000000233 Melia azedarach Species 0.000 description 1
- 241000565675 Oncomelania Species 0.000 description 1
- 241001480007 Phomopsis Species 0.000 description 1
- 241000257732 Phomopsis vexans Species 0.000 description 1
- 241001115351 Physalospora Species 0.000 description 1
- 240000008199 Rhododendron molle Species 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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- 235000006708 antioxidants Nutrition 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- NNBFNNNWANBMTI-UHFFFAOYSA-M brilliant green Chemical compound OS([O-])(=O)=O.C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 NNBFNNNWANBMTI-UHFFFAOYSA-M 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
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- 239000002783 friction material Substances 0.000 description 1
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- 231100000225 lethality Toxicity 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 239000000155 melt Substances 0.000 description 1
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- 239000003607 modifier Substances 0.000 description 1
- 239000003750 molluscacide Substances 0.000 description 1
- 230000002013 molluscicidal effect Effects 0.000 description 1
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- 230000007170 pathology Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a plant source pesticide containing cashew nut shell oil and a preparation method thereof, and relates to a new application of cashew nut shell oil. The pesticide comprises the following components in percentage by weight: 5-20% of cashew nut shell oil, 5-10% of organic solvent, 10-30% of emulsifying agent, 1-3% of dispersant, 1-5% of anti-freeze agent, 0.1-3% of thickening agent and balance of water. The water emulsion containing cashew nut shell oil meets the quality requirements for pesticide preparations, has favorable effects on preventing and treating aphid, and has favorable inhibitory action on phytopathogen. The invention has the advantages of easy acquisition of raw materials, simple processing, low cost and high safety for environment, has the activities of both disinfestation and bacteriostasis, and is a plant source pesticide suitable for the production of pollution-free agricultural products.
Description
Technical field
The present invention relates to the botanical pesticide field, being specifically related to a kind of is the botanical pesticide preparation and the compound method thereof of the antibacterial and insecticidal activity of having concurrently of raw material with the cashew nut shell oil.
Technical background
Problems such as environmental pollution that long-term use traditional chemical agricultural chemicals is produced and food security cause people's common concern.In the crop pest control process, press for the nuisanceless green agricultural chemicals that uses low toxicity, low-residual, easy degraded.Botanical pesticide is just being complied with this demand, more and more is subject to people's attention.At present, desinsection, the bacteriostatic activity of plants such as trifoliate jewelvine, Dalmatian chrysanthemum, seal chinaberry, Celastrus angulatus, kuh-seng, Rhododendron molle, Coriaria sinica are found in succession and utilize.
Cashew nut shell oil is the accessory substance in the cashew nut process, and enrich in cheap, source.In recent years, cashew nut shell oil is mainly used in aspects such as coatings industry, friction material and adhesive, surfactant, additive as a kind of chemical products.Patents such as Chen Yongshui (CN200610152132.1, CN200610138414.6) have proposed a kind of cashew nut oil modified alkyd resin and manufacture method and a kind of cashew nut oil modified alkyd resin moulding material and preparation method thereof; It is the preparation method of the high ductility phenolic fibre of modifier with the cashew nut shell oil that Shi Jingli etc. (CN200810079551.6) have proposed a kind of; What rather waits (CN200610117938.7) to propose a kind of preparation method of aquosity cashew shell liquid solidifying agent; J.R. this grade (CN200710198841.8) has proposed based on the PPG of cashew nut shell liquid and the flexible foams and the production method thereof of being produced by these PPGs in.Discover that at present cashew nut shell oil contains the various active material, have multiple biologically actives such as antitumor, anti-oxidant, molluscicide effect.Wu Xiangyang etc. (CN200910031014.9) have proposed cashew nut shell oil and have killed the spiral shell medicine as the plant of killing oncomelania.But the research of the relevant cashew nut shell oil killing pests and suppressing bacteria activity announcement that do not appear in the newspapers does not see that so far cashew nut shell oil is used as the patent disclosure of botanical pesticide.
Summary of the invention
The invention discloses a kind of botanical pesticide and compound method thereof that contains cashew nut shell oil, this botanical pesticide low toxicity, low-residual, easily degraded belong to the nuisanceless green agricultural chemicals.
The present invention adopts following technical scheme:
1, a kind of botanical pesticide that contains cashew nut shell oil, it is characterized in that: the weight portion of its raw material components is: cashew nut shell oil 5-20, organic solvent 5-10, emulsifier 10-30, dispersant 1-3, antifreeze 1-5, thickener 0.1-3, water are surplus, and total amount is 100.
2, the botanical pesticide that contains cashew nut shell oil according to claim 1, it is characterized in that: described organic solvent is selected from one or more in methyl alcohol, ethanol, isopropyl alcohol, isooctanol, cyclohexanone, acetone, tributyl phosphate, ethyl acetate, dimethyl formamide, dimethylaniline, the benzene,toluene,xylene.
3, the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described emulsifier is selected from one or more in alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenolic resins APEO, fatty alcohol-polyoxyethylene ether, polyoxyethylene carboxylate and derivative thereof, the alkyl benzene calcium sulfonate.
4, the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described dispersant is selected from one or more in sorbitan monooleate APEO, the sweet monostearate APEO of sorbitol, phosphate, sulfuric ester, the polyvinyl alcohol.
5, the botanical pesticide that contains cashew nut shell oil according to claim 1, it is characterized in that: described antifreeze is selected from one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol, isopropyl alcohol, butanols, ammonium sulfate, urea, sodium chloride, the calcium chloride.
6, the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described thickener is selected from one or more in Magnesiumaluminumsilicate, polyacrylate, carboxymethyl cellulose, yellow first glue, the PAA.
7, a kind of collocation method that contains the botanical pesticide of cashew nut shell oil as claimed in claim 1 is characterized in that: may further comprise the steps:
(1) by formula rate cashew nut shell oil is dissolved in an amount of organic solvent;
(2) add the oil phase that a certain amount of emulsifying dispersant forms homogeneous;
(3) again antifreeze, thickener etc. is mixed the formation water;
(4) under high-speed shearing machine stirs, the water of step (3) is added drop-wise in the oil phase that step (2) forms, and carries out emulsification with high-speed shearing machine, promptly get the botanical pesticide that contains cashew nut shell oil.
The invention has the advantages that: 1. environmentally safe, primary raw material derives from plant; 2. raw material is easy to get, and turns waste into wealth, and processing is simple, and is low for equipment requirements.
Specific implementation method
Further illustrate content of the present invention below in conjunction with embodiment, but the present invention is not restricted to the scope of following embodiment.
The preparation of embodiment 1:5% cashew nut shell oil aqueous emulsion
Take by weighing in the molten 1.0g dimethylbenzene of 1.0g cashew nut shell oil, the oil phase that adds a certain amount of emulsifying dispersant (5.0%-15.0%) one-tenth homogeneous again, again antifreeze, thickener etc. is mixed, under high-speed shearing machine stirs, water is added in the oil phase, and carry out emulsification with high-speed shearing machine 3000r/min, the time of emulsification is 15min, forms finely disseminated aqueous emulsion.
Embodiment 2: the embodiment 1 prepared cashew nut shell oil aqueous emulsion that contains is carried out heat storage, cold storage, freezes molten and the dilution stability experiment, the result shows that said preparation layering do not occur, precipitates, analyses phenomenons such as oil, bleed, still is a stable light red brown liquid; The heat of cashew nut shell oil storage resolution ratio is 7.9% in the preparation, less than 10%, meets the capability and performance standard of aqueous emulsion.
Embodiment 3: measure the bacteriostatic activity of the cashew nut shell oil aqueous emulsion of embodiment 1 preparation to phytopathogen
1. test plant pathogen:
Fusarium graminearum (Gibberella sanbinetti), apple anthrax bacteria (Gleosporium fructigenum Berk), jujube anthrax bacteria (Colletotrichum gloeosporioides), anthracnose of grape bacterium (Sphaceloma ampelinum (de Bary) Shear), ring rot of apple bacterium (Physalospora piricpla Nose), pear cucumerinum (Fusicladium sp.), tomato wilt bacterium (Fusarium oxysporum f.sp.lycopersici), grape grey mould bacterium (Botrytis cinerea Pers.), botrytis cinerea (Botrytis cinerea), eggplant phomopsis rot bacterium (Phomopsis vexans (Sacc.et Syd.) Harter), apple rot pathogen (Cytospora mandshurica Miura) is provided by plant pathology teaching and research room of Agricultural University Of Anhui.
2. bioassay method:
Measure cashew nut shell oil to virulence with growth rate method for the examination bacterium.With acetone cashew nut shell oil is mixed with certain densityly, accurately draws the 5ml soup and add in the medium that the people melts to 45ml (about 50 ℃), pour into after mixing in the culture dish (diameter 9.0cm) of sterilization, make the pastille culture medium flat plate for reagent liquid.Contrast mixes the long-pending acetone of people's same volume.Cultivate 3-4 days for examination bacterium flat board on, be that the card punch of 0.7cm is made some bacterium cakes with diameter, putting down gently on pastille medium plane with transfer needle picking bacterium cake (has one of mycelia to face down).Every culture dish is placed two bacterium cakes.Every processing repeats 4 times.26 scholars check the diameter of respectively handling bacterium colony behind the cultivation certain hour down for 2 ℃, are calculated as follows different disposal to the mycelial growth inhibition rate for the examination bacterium.
3. result of the test
Having measured mass concentration respectively is the bacteriostatic activity (table 1) of the cashew nut shell oil of 2.5g/L to 11 plant species disease funguses.The result shows that to inhibitory action is in various degree all arranged for the examination bacterium, percentage mycelial inhibition is 8.7-93.2% to cashew nut shell oil at 48h.Bacteriostatic activity is followed successively by from high to low: apple rot pathogen, anthracnose of grape bacterium, tomato wilt bacterium, eggplant linea nigra disease bacterium, fusarium graminearum, apple anthrax bacteria, botrytis cinerea, jujube anthrax bacteria, grape grey mould bacterium, ring rot of apple bacterium, pear cucumerinum.
Table 1 cashew nut shell oil is to the inhibitory action of various pathogenic bacteria
Annotate: 1. minute is 48h.
Variable concentrations is set, and serves as for the examination bacterium with 6 plant species disease funguses such as apple rot pathogens, has measured the bacteriostatic activity of cashew nut shell oil.The result shows, the bacteriostatic activity of cashew nut shell oil increases and strengthens with concentration, and both are significant positive correlation.Logarithm with concentration is an abscissa, is ordinate with the probit value of percentage mycelial inhibition, obtains the regression equation (table 2) of antibacterial activity.Cashew nut shell oil is the strongest to the bacteriostatic activity of apple rot pathogen, EC
50Be 0.169g/L, secondly the EC50 to eggplant linea nigra disease bacterium, anthracnose of grape bacterium, fusarium graminearum, apple anthrax bacteria, tomato wilt bacterium is respectively 0.3626g/L, 0.8253g/L, 1.7163g/L, 1.8932g/L, 3.6416g/L.
Table 2 cashew nut shell oil is to the virulence regression equation for the examination bacterium
Annotate: 1. minute is 48h.
Embodiment 4: the insecticidal activity of measuring the cashew nut shell oil aqueous emulsion of embodiment 1 preparation
1. for the examination insect:
Cabbage aphid (Brevicoryne brassicae L.) picks up from the Agricultural University Of Anhui's emerald green garden of farming cabbage leaves (not dispenser agent).After raising a generation on the indoor pot wild cabbage, select wingless aphid of the same size and carry out biologicall test.
2. bioassay method
Measure the virulence of cashew nut shell oil with infusion process to aphid.The cashew nut shell oil preparation is mixed with certain density with pure water for reagent liquid.With complete, well-grown blade, dipping took out after 5 seconds in soup to be measured, inhaled and removed unnecessary soup, dries in the shade, and moistening sliver is wrapped in the petiole place, to keep blade humidity, reduced moisture loss, was placed in the culture dish standby.Same way will be with the worm blade to be placed on dipping taking-up after 5 seconds in the soup to be measured, inhale and remove unnecessary soup, and consistent with writing brush picking size then, the active aphid that takes action are transferred on the standby blade of above-mentioned processing, every 50, cover the ware lid.Control group is with pure water (showing that according to experimental result small amounts of emulsifiers does not have toxicity action to aphid).Every processing repeats 4 times, and compares.Place the incubator of 25 ℃ of temperature, relative moisture about 85% to cultivate, pick out dead individuality, calculate lethality and corrected mortality respectively at 24h, 48h and 72h.
3. result of the test
Cashew nut shell oil shows (table 3) to the Toxicity Determination result of aphid: cashew nut shell oil 24h after processing shows certain insecticidal activity, and cashew nut shell oil concentration and aphid corrected mortality are significant positive correlation, the LC of its 24h
50Be 10.692g/L, 95% confidence interval is 10.52-13.78; The LC of 48h
50Be 7.791g/L, 95% confidence interval is 7.43-8.57; The LC of 72h
50Be 4.408g/L, 95% confidence interval is 4.12-4.98.
Table 3 cashew nut shell oil is to the insecticidal activity of aphid
Claims (7)
1. botanical pesticide that contains cashew nut shell oil, it is characterized in that: the weight portion of its raw material components is: cashew nut shell oil 5-20%, organic solvent 5-10, emulsifier 10-30, dispersant 1-3, antifreeze 1-5, thickener 0.1-3, water are surplus, and total amount is 100.
2. the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described organic solvent is selected from one or more in methyl alcohol, ethanol, isopropyl alcohol, isooctanol, cyclohexanone, acetone, tributyl phosphate, ethyl acetate, dimethyl formamide, dimethylaniline, the benzene,toluene,xylene.
3. the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described emulsifier is selected from one or more in alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, phenethyl phenol polyethenoxy ether, phenolic resins APEO, fatty alcohol-polyoxyethylene ether, polyoxyethylene carboxylate and derivative thereof, the alkyl benzene calcium sulfonate.
4. the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described dispersant is selected from one or more in sorbitan monooleate APEO, the sweet monostearate APEO of sorbitol, phosphate, sulfuric ester, the polyvinyl alcohol.
5. the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described antifreeze is selected from one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol, isopropyl alcohol, butanols, ammonium sulfate, urea, sodium chloride, the calcium chloride.
6. the botanical pesticide that contains cashew nut shell oil according to claim 1 is characterized in that: described thickener is selected from one or more in Magnesiumaluminumsilicate, polyacrylate, carboxymethyl cellulose, yellow first glue, the PAA.
7. the collocation method that contains the botanical pesticide of cashew nut shell oil as claimed in claim 1 is characterized in that: may further comprise the steps:
(1) by formula rate cashew nut shell oil is dissolved in an amount of organic solvent;
(2) add the oil phase that a certain amount of emulsifying dispersant forms homogeneous;
(3) again antifreeze, thickener etc. is mixed the formation water,
(4) under high-speed shearing machine stirs, the water of step (3) is added drop-wise in the oil phase that step (2) forms, and carries out emulsification with high-speed shearing machine, promptly get the botanical pesticide that contains cashew nut shell oil.
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Cited By (4)
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| WO2013121190A1 (en) * | 2012-02-13 | 2013-08-22 | Bangor University | Method for preparing a herbicidal compound |
| CN104381314A (en) * | 2014-10-31 | 2015-03-04 | 夏征梅 | Botanical insecticide |
| CN105638755A (en) * | 2016-03-23 | 2016-06-08 | 国际竹藤中心 | Botanical insecticide and preparation method thereof |
| CN105746610A (en) * | 2016-03-23 | 2016-07-13 | 国际竹藤中心 | Synergist for botanical aphicide |
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| CN101690473A (en) * | 2009-10-09 | 2010-04-07 | 江苏大学 | Cashew shell oil-beta-cyclodextrin inclusion compound molluscicide and preparation method thereof |
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| CN101548688A (en) * | 2009-04-22 | 2009-10-07 | 江苏大学 | Application of cashew nut shell oil in preparing drug for killing oncomelania |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013121190A1 (en) * | 2012-02-13 | 2013-08-22 | Bangor University | Method for preparing a herbicidal compound |
| US9447010B2 (en) | 2012-02-13 | 2016-09-20 | Bangor University | Method for preparing a herbicidal compound |
| CN104381314A (en) * | 2014-10-31 | 2015-03-04 | 夏征梅 | Botanical insecticide |
| CN105638755A (en) * | 2016-03-23 | 2016-06-08 | 国际竹藤中心 | Botanical insecticide and preparation method thereof |
| CN105746610A (en) * | 2016-03-23 | 2016-07-13 | 国际竹藤中心 | Synergist for botanical aphicide |
| CN105638755B (en) * | 2016-03-23 | 2018-06-19 | 国际竹藤中心 | A kind of plant insecticide and preparation method thereof |
| CN105746610B (en) * | 2016-03-23 | 2018-06-26 | 国际竹藤中心 | A kind of synergist of plant source aphicide |
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