CN102342305B - Spurge oil emulsion for preventing spider mites of melon and vegetable crops and preparation method thereof - Google Patents
Spurge oil emulsion for preventing spider mites of melon and vegetable crops and preparation method thereof Download PDFInfo
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Abstract
The invention relates to spurge oil emulsion for preventing spider mites of melon and vegetable crops and a preparation method thereof, which belong to the technical field of biological pesticides. The spurge oil emulsion comprises the following ingredients in percentage by weight: 25 to 35 percent of spurge oil, 37 to 47 percent of solvent, 20 to 30 percent of emulsifier, 0.5 to 1.5 percent of penetrant and 1 to 3 percent of anti-freeze agent. The preparation method comprises the following steps that: (1) extracting the spurge oil; (2) under the condition of normal temperature, adding spurge oil mother solution into a mixing kettle, and then the solvent is added into the mixing kettle to be blended and dissolved according to the proportion; and the emulsifier, the penetrant and the anti-freeze agent are sequentially added to be adequately blended and uniformly mixed according to the proportion. The 25% to 35% spurge oil emulsion can prevent the spider mites (carmine spider mites) of the melon and vegetable crops, and has the characteristics of quick acting property, long lasting period and low use cost.
Description
Technical field
The present invention relates to prescription of a kind of botanical biological pesticide emulsion of preventing and treating vegetable category crop two spotted spider mite and preparation method thereof, belong to biological pesticide technical field.
Background technology
Two spotted spider mite [Tetranychus cinnabarinus
Tetranychus cinnabarinus(Boiduval), Mite
T.truncatesEhara and Tetranychus urticae
T.urticaeKoch etc.] be the Main Harmful mite of harm vegetable category crop and protection ground fruit tree, along with the continuous expansion of global warming and protection ground area under cultivation, its Occurrence is serious year by year.High temperature can make it that radix occurs to be increased, occur to increase from generation to generation, and the place that has become in the winter time two spotted spider mite to survive the winter in a large number and breed with protecting.Secondly, in the cultivation of protection ground, outside evil mite natural enemy often is isolated in, effect out of hand and make harmful mite breeding rapider.Because its year, generation was many, generation overlap needs in the production repeatedly to prevent and treat just and can prove effective.Long-term a large amount of chemical pesticide that uses causes it that some chemical pesticide (such as fenpropathrin, propargite, pyridaben etc.) is developed immunity to drugs, and field efficacy significantly reduces.Two spotted spider mite has become at present and has been difficult to the object prevented and treated in the production.
The botanical biological pesticide active ingredient of at present China's registration has matrine, nicotine, rotenone, pyrethrin etc. more than 10 to plant, and the active ingredient that is used for the control two spotted spider mite only has 3 kinds of matrine, nicotine and rotenone.
Wartwort (
E. helioscopiaL.) belong to the Euphorbiaceae euphorbia, distribute and almost spread all over the whole nation and Asia, Europe, Africa, North America and various countries, Oceania, a kind of main farmland, orchard weed, the crops such as main harm wheat class, flax, potato, rape, beans, fruit tree, it is larger that quantity occurs for part farmland, orchard, endangers comparatively serious.The botanical biological pesticide that is used for control two spotted spider mite (Tetranychus cinnabarinus) of developing take wartwort oil as mother liquor has no report both at home and abroad.Utilize wartwort development of new botanical biological pesticide, can play the effect of turning waste into wealth, turning harm into good, for the comprehensive utilizations of this kind weeds provides new approach.
Summary of the invention
The present invention's purpose provides prescription of a kind of botanical biological pesticide emulsion that can prevent and treat vegetable category crop two spotted spider mite (Tetranychus cinnabarinus) and preparation method thereof.Adopt the cauline leaf spraying to process in two spotted spider mite (Tetranychus cinnabarinus) emergence period, can effectively control its harm, have the advantages that quick-acting is better, the lasting period is long, use cost is lower.Use this emulsion control two spotted spider mite (Tetranychus cinnabarinus), can significantly reduce access times and the using dosage of chemical pesticide, effectively reduce the persticide residue in the melon dish, preserve the ecological environment, guarantee agricultural product quality and safety.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of wartwort oil emu of preventing and treating vegetable category crop two spotted spider mite comprises the component of following weight proportion: wartwort oil 30%-40%, solvent 30%-40%, emulsifier 20%-34%, bleeding agent 0.5%-1.5%, antifreeze 1%-3%;
Insecticidal active ingredient wartwort oil described in the above-mentioned prescription derives from the manually seed of the wartwort of establishing in large scale; Described solvent can be selected one or more in methyl alcohol, ethanol, n-butanol, isopropyl alcohol, benzene,toluene,xylene, dimethyl sulfoxide (DMSO) (DMSO), dimethyl formamide (DMF), the cyclohexanone; Described emulsifier can be selected dibutyl naphthalene sulfonic acids calcium (2201), triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether (1601), nonionic/anion composite emulsifier (0201B, the Shao Weizhong chief editor. the formulations of pesticide processing book series third edition: insecticides adjuvant. Beijing: Chemical Industry Press, 2002), nonionic/anion composite emulsifier (0203B, the Shao Weizhong chief editor. the formulations of pesticide processing book series third edition: insecticides adjuvant. Beijing: Chemical Industry Press, 2002), nonionic/anion composite emulsifier (127, the Shao Weizhong chief editor. the formulations of pesticide processing book series third edition: insecticides adjuvant. Beijing: Chemical Industry Press, 2002), nonionic/anion composite emulsifier (103, the Shao Weizhong chief editor. the formulations of pesticide processing book series third edition: insecticides adjuvant. Beijing: Chemical Industry Press, 2002), alkylphenol polyoxyethylene formaldehyde condensation products (700#), calcium dodecyl benzene sulfonate (500#), in the OPEO (OP-10) one or more; Described bleeding agent can be selected a kind of in naphthalene sulfonate salt (penetrating agent BX), C7-C9 alkanol APEO (penetrating agent JFC), azone, thiophene ketone, dioctyl maleate sodium sulfonate (penetrant t), the organosilicon bleeding agent.A kind of in the optional spent glycol of described antifreeze, propane diols, urea, ammonium sulfate, glycerine, sodium chloride, the calcium chloride.
Preferably, the wartwort oil emu of described control vegetable category crop two spotted spider mite comprises the component of following weight proportion: wartwort oil 35%, solvent xylene 35%, emulsifier dibutyl naphthalene sulfonic acids calcium 2,201 13.5%, alkylphenol polyoxyethylene formaldehyde condensation products 700# 13.5%, penetrant azone 1%, antifreeze ethylene glycol 2%.
The preparation method of the wartwort oil emu of above-mentioned control vegetable category crop two spotted spider mite, method is as follows: (1) extracts wartwort oil, under (2) normal temperature condition, adds first above-mentioned wartwort oil mother liquor in modulation kettle, then adds in proportion solvent, stirring and dissolving; Add successively in proportion again emulsifier, bleeding agent and antifreeze, get final product after fully mixing.
Further, the method of extracting wartwort oil is that dry wartwort seed is crushed to 30-50 orders with cracker, pours in the pot for solvent extraction after weighing, the solvent impregnated extraction that adds 8-10 times of amounts in pot for solvent extraction, extract are evaporated in concentration tank and namely get wartwort oil mother liquor after solvent volatilizes; Described dipping extraction solvent is selected from one or more in methyl alcohol, ethanol, acetone, benzinum, ethyl acetate, chloroform, the benzene,toluene,xylene.
Further, the method for solvent impregnated extraction is, dipping extracts 3 times, and each solvent load is identical, and extraction time was respectively 72,48 and 24 hours.
Patent 30%-40% wartwort oil emu of the present invention can be prevented and treated the two spotted spider mite (Tetranychus cinnabarinus) of harm vegetable category crop, has the advantages that quick-acting is better, the lasting period is long, use cost is lower.Field control effectiveness test is the result show, the the 1st, the 3 and 7 day preventive effect to two spotted spider mite (Tetranychus cinnabarinus) is respectively 98.3%, 99.2% and 97.3% behind 300 times of liquid medicines of this emulsion dilution, the preventive effect of diluting behind 400 times of liquid medicines the 1st, 3 and 7 day is respectively 94.8%, 96.5% and 95.7%, significantly is better than 2000 times of liquid of 20% fenpropathrin milk oil to the preventive effect of two spotted spider mite (Tetranychus cinnabarinus).The primary raw material of 30%-40% wartwort oil emu derives from the manually plant of establishing in large scale, has effectively solved domestic botanical pesticide leading products matrine agricultural chemicals and has utilized wild plant resource and the contradiction of destroying ecotope.
This product will provide for the production of China pollution-free vegetable, traditional Chinese medicine, melon and fruit and pollution-free food strong technical guarantee, to improve greatly the output of China's botanical biological pesticide by industrialization,, organic food nuisanceless and green for developing provides endlessly biopesticide, for promoting grain-production safety, agricultural product quality and safety and Agro-ecology to escort safely, have comparatively wide market prospects.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
One, wartwort oil mother liquor preparation
Take by weighing the wartwort seed, with pouring in the pot for solvent extraction after the cracker pulverizing, add extraction 3 times, extraction time was respectively 72,48 and 24 hours, merge No. 3 times extract, extract namely gets wartwort oil mother liquor after reduced pressure concentration (0.06MPa, 45 ℃) volatilizes to solvent in concentration tank, and it is for subsequent use to reclaim solvent.
Concrete prescription and preparation method such as table 1.
Table 1 wartwort oil mother liquor Preparation Example table
| ? | The wartwort seed quality | Pulverize the order number | Solvent and quality | Wartwort oil mother liquor quality |
| Embodiment 1 | 150 kg | 30 | Benzinum 1200 kg | 30kg |
| Embodiment 2 | 175 kg | 40 | Dimethylbenzene 1575 kg | 35 kg |
| Embodiment 3 | 200 kg | 50 | Ethanol 2000 kg | 40kg |
Two, wartwort oil emu preparation
Under the normal temperature condition, in modulation kettle, add first wartwort oil mother liquor, then add solvent, stirring and dissolving; Add successively again emulsifier, bleeding agent and antifreeze, get final product discharging after fully mixing, obtain qualified emulsion product.
Concrete prescription and drug effect result such as table 2.
Table 2 wartwort oil emu Preparation Example table
| ? | Mother liquor quality kg | Solvent and quality kg | Emulsifier and quality kg | Bleeding agent and quality kg | Antifreeze and quality kg | Emulsion product quality kg | Effect experiment (1-3-7d) | Drug effect result (1-3-7d) |
| Embodiment 1 | 30 | Methyl alcohol 40 | Emulsifier dibutyl naphthalene sulfonic acids calcium 2,201 13.5%, alkylphenol polyoxyethylene formaldehyde condensation products 700# 13.5% | BX naphthalene sulfonate salt 0.75 | Sodium chloride 2.25 | 100 | 300 times | 97.6%、98.4%、95.8% |
| Embodiment 2 | 35 | N-butanol 37 | Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 1,601 25 | Penetrating agent JFC C7-C9 alkanol APEO 1.0 | Calcium chloride 2 | 100 | 400 times | 95.6%、96.1%、93.2% |
| Embodiment 3 | 40 | Toluene 32 | Nonionic/anion composite emulsifier 0201B 25 | Azone 1.25 | Glycerine 1.75 | 100 | 300 times | 97.9%、98.5%、95.7% |
| Embodiment 4 | 37 | Dimethylbenzene 41.5 | Nonionic/anion composite emulsifier 0203B 20 | Thiophene ketone 0.5 | Ammonium sulfate 1 | 100 | 400 times | 95.6%、96.4%、93.0% |
| Embodiment 5 | 32 | Dimethyl sulfoxide (DMSO) 33.5 | Nonionic/anion composite emulsifier 127 30 | BX naphthalene sulfonate salt 1.5 | Propane diols 3 | 100 | 300 times | 98.6%、98.9%、95.8% |
| Embodiment 6 | 30 | Dimethyl formamide 42 | Nonionic/anion composite emulsifier 103 25 | Penetrating agent JFC C7-C9 alkanol APEO 0.75 | Glycerine 2.25 | 100 | 400 times | 94.6%、97.1%、93.2% |
| Embodiment 7 | 35 | Cyclohexanone 35 | Alkylphenol polyoxyethylene formaldehyde condensation products 700# 27 | Azone 1.0 | Ammonium sulfate 2 | 100 | 300 times | 97.6%、97.4%、95.9% |
| Embodiment 8 | 40 | Ethanol 32 | Calcium dodecyl benzene sulfonate 500# 25 | Thiophene ketone 1.25 | Urea 1.75 | 100 | 400 times | 95.3%、96.9%、93.6% |
| Embodiment 9 | 37 | Isopropyl alcohol 41.5 | OPEO OP-10 20 | Penetrant t dioctyl maleate sodium sulfonate 0.5 | Propane diols 1 | 100 | 300 times | 97.6%、98.4%、95.8% |
| Embodiment 10 | 32 | Benzene 30 | Anion composite emulsifier 0201B 34 | Organosilicon bleeding agent 1.0 | Ethylene glycol 3 | 100 | 400 times | 95.6%、97.1%、92.2% |
This emulsion processing technology is easy, and raw material sources are extensive, extracts the recyclable recycling of solvent, and is with low cost, can implement industrialization production fully.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a wartwort oil emu of preventing and treating vegetable category crop two spotted spider mite is characterized in that, comprises the component of following weight proportion: wartwort oil 30%-40%, solvent 30%-40%, emulsifier 20%-34%, bleeding agent 0.5%-1.5%, antifreeze 1%-3%;
Described solvent is selected from one or more in methyl alcohol, ethanol, n-butanol, isopropyl alcohol, benzene,toluene,xylene, dimethyl sulfoxide (DMSO), dimethyl formamide, the cyclohexanone; Described emulsifier is selected from one or more among dibutyl naphthalene sulfonic acids calcium 2201, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 1601, nonionic/anion composite emulsifier 0201B, nonionic/anion composite emulsifier 0203B, nonionic/anion composite emulsifier 127, nonionic/anion composite emulsifier 103, alkylphenol polyoxyethylene formaldehyde condensation products 700#, calcium dodecyl benzene sulfonate 500#, the OPEO OP-10; Described bleeding agent is selected from a kind of in penetrating agent BX naphthalene sulfonate salt, penetrating agent JFC C7-C9 alkanol APEO, azone, thiophene ketone, penetrant t dioctyl maleate sodium sulfonate, the organosilicon bleeding agent; Described antifreeze is selected a kind of in ethylene glycol, propane diols, urea, ammonium sulfate, glycerine, sodium chloride, the calcium chloride;
Described wartwort oil is to obtain according to following method: dry wartwort seed is crushed to 30-50 orders with cracker, pour in the pot for solvent extraction after weighing, the solvent impregnated extraction that adds 8-10 times of amounts in pot for solvent extraction, extract are evaporated in concentration tank and namely get wartwort oil mother liquor after solvent volatilizes; Described dipping extraction solvent is selected from one or more in methyl alcohol, ethanol, acetone, benzinum, ethyl acetate, chloroform, the benzene,toluene,xylene.
2. the wartwort oil emu of control vegetable category crop two spotted spider mite according to claim 1, it is characterized in that: the component that comprises following weight proportion: wartwort oil 35%, solvent xylene 35%, emulsifier dibutyl naphthalene sulfonic acids calcium 2,201 13.5%, alkylphenol polyoxyethylene formaldehyde condensation products 700# 13.5%, penetrant azone 1%, antifreeze ethylene glycol 2%.
3. the wartwort oil emu of control vegetable category crop two spotted spider mite according to claim 1 is characterized in that: during solvent impregnated extraction wartwort oil, dipping extracts 3 times, and each solvent load is identical, and extraction time was respectively 72,48 and 24 hours.
4. the preparation method of the wartwort oil emu of control vegetable category crop two spotted spider mite claimed in claim 1 is characterized in that method is as follows: (1) extraction wartwort oil, (2) under the normal temperature condition, in modulation kettle, add first above-mentioned wartwort oil mother liquor, then add in proportion solvent, stirring and dissolving; Add successively in proportion again emulsifier, bleeding agent and antifreeze, get final product after fully mixing.
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| CN106614797A (en) * | 2016-12-20 | 2017-05-10 | 重庆医学检验试剂研究所 | Composition for preventing and controlling red spiders and phyllocoptruta oleivora, and preparation method and application thereof |
Citations (4)
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|---|---|---|---|---|
| CN1084176A (en) * | 1993-03-08 | 1994-03-23 | 孙孝丰 | The wartwort saponin extracts, separates and prepares the method for agricultural insecticide with it |
| CN1426688A (en) * | 2001-12-17 | 2003-07-02 | 高林 | High effect, safe, residue less plant pesticide for killing insect |
| CN101843265A (en) * | 2009-03-26 | 2010-09-29 | 甘肃省农业科学院植物保护研究所 | Purple Datura stramonium bio-pesticide for controlling aphids and red spiders |
| CN101843262A (en) * | 2009-03-26 | 2010-09-29 | 甘肃省农业科学院植物保护研究所 | Pesticide for controlling aphids and red spiders of melon and fruit crops, and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1084176A (en) * | 1993-03-08 | 1994-03-23 | 孙孝丰 | The wartwort saponin extracts, separates and prepares the method for agricultural insecticide with it |
| CN1426688A (en) * | 2001-12-17 | 2003-07-02 | 高林 | High effect, safe, residue less plant pesticide for killing insect |
| CN101843265A (en) * | 2009-03-26 | 2010-09-29 | 甘肃省农业科学院植物保护研究所 | Purple Datura stramonium bio-pesticide for controlling aphids and red spiders |
| CN101843262A (en) * | 2009-03-26 | 2010-09-29 | 甘肃省农业科学院植物保护研究所 | Pesticide for controlling aphids and red spiders of melon and fruit crops, and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 冰寒等.自制家用花卉农药.《农村经济与科技》.2002,第13卷(第112期),第34页左栏第9段. |
| 自制家用花卉农药;冰寒等;《农村经济与科技》;20020131;第13卷(第112期);第34页左栏第9段 * |
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