CN102038014B - Compound plant-source acaricide and preparation method thereof - Google Patents
Compound plant-source acaricide and preparation method thereof Download PDFInfo
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- CN102038014B CN102038014B CN 201110009737 CN201110009737A CN102038014B CN 102038014 B CN102038014 B CN 102038014B CN 201110009737 CN201110009737 CN 201110009737 CN 201110009737 A CN201110009737 A CN 201110009737A CN 102038014 B CN102038014 B CN 102038014B
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Abstract
The invention relates to a compound plant-source acaricide and a preparation method thereof, relating to the technical field of farm chemical. The acaricide comprises the following components based on percentages by weight: 5-40% of nutgall extract, 5-40% of wild pepper extract, 2-30% of pubescent holly root extract, 2-30% of potato extract and 20-60% of distilled water. The invention has the advantages of effectiveness, no residue, wide range, low production cost, economy, practicability and environment protection.
Description
Technical field
What the present invention relates to is a kind of miticide and preparation thereof of technical field of pesticide, specifically a kind of compound plant-source acaricide and preparation method thereof.
Background technology
In recent years, due to people to the unreasonable use of chemical pesticide and the inherent defect of medicament itself thereof, agricultural chemicals has in use produced a series of pollution problems, for example environmental pollution, person poultry poisoning, killed natural enemies, the destruction ecological balance, " 3R " (Residue, Resistance, the serious problems such as Resurgence), these harmful effects have caused people's common concern.The success rate of synthetic pesticide development approach is low on the other hand, the cycle is long, cost is surprising.Due to above reason, countries in the world agricultural chemicals circle when seeking new bio reasonability agricultural chemicals, again with attention diversion to efficient to sick worm mite etc., to the biological rationally agricultural chemicals of environment, non-target organism safety.Seek the material with killing pests and suppressing bacteria activity from plant, particularly having the material of novel molecular structure and the compound of special role mechanism is an important channel of current novel miticide initiative.China is vast in territory, and plant resources is extremely abundant, utilizes the with a long history of plant prevention damage by disease and insect, thereby carries out the acaricidal development of plant resource in China and exist huge potentiality and advantage.
Tetranychus cinnabarinus (Tetranychus cinnabarinus) is a kind of important phytophagy tetranychid, have individual little, breeding is fast, the characteristics such as development duration is short, sphere of action is little, strong adaptability, mutation rate is high and easily develop immunity to drugs, it is the pest communities of difficult control of generally acknowledging, its host plant is kind more than 100 nearly, diversified economy crop and the ornamental plantss such as main harm cotton, various vegetables, melon, beans, willow, Chinese rose, jujube.Therefore, the miticide of seeking highly effective and safe is imperative, and greatly develops the developing direction that the plant resource miticide is current pesticide industry, and the requirement that the plant resource miticide meets the agricultural sustainable development of 21 century has wide application development prospect.Believe in the near future, the plant resource miticide will be made larger contribution for safeguarding environmental health and human security.
At present to be generally that botanical pesticide and chemical pesticide carry out composite for the composite new drug development of botanical pesticide, reaches the effect of raising drug effect.As to apply for a patent the invention product that ZL200410021982.9 " agent of a kind of vegetalitas acaricide, Preparation method and use " mentions be curcumin chemical compounds, the turmerone compounds, and turmeric essential oil, pyridaben is made preparation.Wherein curcumin chemical compounds 0.5～5.0%, turmerone compounds 0.05～1.5%, turmeric essential oil 0.2～1.8%, pyridaben 1.0～10.0%, pyridaben accounts for most of ratio, and it belongs to the moderate toxicity synthetic pesticide, and this technology is not to be pure plant source pesticide, easily destroy ecotope, cause environmental pollution.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of compound plant-source acaricide and preparation method thereof is provided, have effective noresidue, kill that the mite scope is wide, production cost is low, economical and practical, eco-friendly advantage.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of compound plant-source acaricide, its component is: gall nut, Chinese prickly ash, ilex pubescens and potato, its weight percent is: nutgall extractive 5～40%, pepper extract 5～40%, Ilex pubescens extract 2～30%, potato extract 2～30% and distilled water 20～60%.
Described Chinese prickly ash (Zanthoxylum bungeanum) is taken from stem, leaf or the fruit of Chinese prickly ash;
Described ilex pubescens (IlexpubescensHook.etArn) is taken from stem or the leaf of ilex pubescens;
Described potato (Solanum tuberosum) is taken from stem or the leaf of potato.
The present invention relates to the preparation method of above-mentioned compound plant-source acaricide, by claying into power after the stem of the stem of the leaf of gall nut and Chinese prickly ash stem or fruit, ilex pubescens or leaf and potato or leaf oven dry respectively, adopt the method for reduced pressure concentration to obtain respectively medicinal extract with ethanol as extraction solvent again, medicinal extract is scattered in distilled water makes miticide by above-mentioned formula at last.
Described oven dry refers to: oven dry under 30-50 ℃
Described powder refers to: 20-40 purpose particulate powder;
Described ethanol refers to ethanolic solution or the absolute ethyl alcohol of 25%-70%v/v, and its consumption is 10-20 times of powder quality.
Described reduced pressure concentration refers to: the crude extract that obtains after lixiviate is vacuumized decompression to-0.1 atmospheric pressure and is placed in 40-80 ℃ of lower water-bath, make crude extract simmer down to medicinal extract.
Described dispersion refers to: adopt the mode of ultrasonic dispersion that medicinal extract is scattered in distilled water.
The present invention relates to the application of above-mentioned compound plant-source acaricide, under the stirring environment of 30-50 ℃, water is added wherein and be diluted to the concentration of 1-3wt% after be cooled to normal temperature, form aqua and spray and uses.
The present invention has the following advantages compared with the prior art:
(1) form that between the primary raw material of product of the present invention, synergy can strengthen miticidal effect on the one hand, the pesticide resistance that can delay medicament due to the acting in conjunction of the active ingredient of the different mechanisms of action on the other hand produces.
(2) raw material is easy to get, processes solvent simple, low for equipment requirements, after reclaiming and also can reuse.The Four Plants raw material has plantation in the most of place of China, and Chinese prickly ash cauline leaf and potato cauline leaf be the agricultural waste gurry, has realized the recycling of resource, is conducive to the sustainable development of agricultural.
(3) this miticide derives from the natural traditional Chinese medicine plant extracts, and utilizes its water-soluble characteristics, and it is made into aqua, so its environmentally safe to people, animal safety, is the biological miticide of a kind of pollution-free plant source.
Embodiment
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Control Tetranychus cinnabarinus aqua percentage by weight: compound plant extract 1%, distilled water 99%.
Take respectively each 20g of gall nut, Chinese prickly ash stem, leaf or fruit, ilex pubescens stem or leaf and potato stem or leaf powder (20 order particle), ethanolic solution 800ml with 70% flooded 1-3 days in room temperature, filter, the filtrate decompression concentration and recovery solvent of getting Four Plants obtains extracting medicinal extract, add a certain amount of distilled water, be placed in supersonic generator 10-15min dry matter is suspended, be mixed with concentration and be 1% aqua.
Test method:
This compound botanical source miticide is given birth to the determination of activity of Tetranychus cinnabarinus agricultural chemicals initiative southern according to country center the tetranychid of surveying in SOP and is soaked the stem infusion process and carry out.By the compound plant-source acaricide that embodiment 1 processing obtains, set simultaneously the not blank of adding medicine.Become mite to be inoculated on ready blade the tetranychid of indoor feeding, make for the one-tenth mite number on the examination blade and remain on the 30-60 head.Take out after becoming the broad bean seedling of mite to soak liquid 5s off-the-shelf tool, will soak again good broad bean seedling insertion at last and be equipped with in the penicillin bottle of clear water.Every processing repeats for 3 times.Examination worm after processing is placed under normal condition cultivates, regularly observe examination worm response situation, 24 hours each life or death borer populations of processing of " Invest, Then Investigate ", its preventive effect is 95%.
Embodiment 2
Control Tetranychus cinnabarinus aqua percentage by weight: compound plant extract 3%, distilled water 97%.
Take respectively each 50g of gall nut, Chinese prickly ash stem, leaf or fruit, ilex pubescens stem or leaf and potato stem or leaf powder (20 order particle), ethanolic solution 2000ml with 70% at room temperature flooded 1-3 days, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, add a certain amount of distilled water, be placed in supersonic generator 15min dry matter is suspended, be mixed with concentration and be 3% aqua.Adopt the indoor pot method to give birth to survey to the cucumber cotten aphid, add up lethality after 24 hours, its preventive effect is 100%.
Embodiment 3
Control Tetranychus cinnabarinus aqua percentage by weight: compound plant extract 2%, distilled water 98%.
Take respectively each 50g of gall nut, Chinese prickly ash stem, leaf or fruit, ilex pubescens stem or leaf and potato stem or leaf powder (20 order particle), ethanolic solution 2000ml with 70% at room temperature flooded 1-3 days, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, add a certain amount of distilled water, be placed in supersonic generator 15min dry matter is suspended, be mixed with concentration and be 2% aqua.Respectively extract five times with isopyknic benzinum, ethyl acetate, n-butanol successively respectively again; Respectively will be wherein water slurry after benzinum, ethyl acetate, butanol extraction liquid and extraction be evaporated to dried, namely get compound plant extract, be made into 2% aqua with deionized water or distilled water dissolving, adopt tetranychid to soak the stem infusion process to Tetranychus cinnabarinus and give birth to survey, the lethality of statistics Tetranychus cinnabarinus after 24 hours.Benzinum phase plant extracts, ethyl acetate plant extracts, n-butanol plant extracts and water plant extracts are respectively the inhibiting rate of Tetranychus cinnabarinus: 100%, 100%, 33.7%, 50.4%, wherein benzinum phase plant extracts, ethyl acetate phase plant extracts are higher to the biologically active of Tetranychus cinnabarinus.
Embodiment 4
Control Tetranychus cinnabarinus aqua percentage by weight: compound plant extract 2%, distilled water 98%.
Take respectively each 50g of gall nut, Chinese prickly ash stem, leaf or fruit, ilex pubescens stem or leaf and potato stem or leaf powder (20 order particle), ethanolic solution 2000ml with 70% at room temperature flooded 1-3 days, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, add a certain amount of distilled water, be placed in supersonic generator 15min dry matter is suspended, be mixed with concentration and be 2% aqua.Adopt the indoor pot method to give birth to survey to Tetranychus cinnabarinus, add up lethality after 24 hours, its preventive effect is 97.5%.
Embodiment 5
Control Tetranychus cinnabarinus aqua percentage by weight: compound plant extract 3%, distilled water 97%.
Take respectively each 50g of gall nut, Chinese prickly ash stem, leaf or fruit, ilex pubescens stem or leaf and potato stem or leaf powder (20 order particle), ethanolic solution 2000ml with 70% at room temperature flooded 1-3 days, filter, get its filtrate decompression concentration and recovery solvent and obtain extracting medicinal extract, add a certain amount of distilled water, be placed in supersonic generator 15min dry matter is suspended, be mixed with concentration and be 3% aqua.Adopt the experiment of residential quarter, field Tetranychus cinnabarinus is carried out field control effectiveness test, add up lethality after 24 hours, preventive effect reaches 93.8%.
Claims (3)
1. the preparation method of a compound plant-source acaricide, is characterized in that, its component and weight percent are: nutgall extractive 5 ~ 40%, pepper extract 5 ~ 40%, Ilex pubescens extract 2 ~ 30%, potato extract 2 ~ 30% and distilled water 20 ~ 60%; This miticide is by claying into power after the stem of the stem of the leaf of gall nut and Chinese prickly ash stem or fruit, ilex pubescens or leaf and potato or leaf oven dry respectively, adopt the method for reduced pressure concentration to obtain respectively medicinal extract with ethanol as extraction solvent again, medicinal extract is scattered in distilled water makes by above-mentioned formula at last;
Described powder refers to: 20-40 purpose particulate powder;
Described ethanol refers to ethanolic solution or the absolute ethyl alcohol of 25%-70% v/v, and its consumption is 10-20 times of powder quality;
Described reduced pressure concentration refers to: the crude extract that obtains after lixiviate is vacuumized decompression to-0.1 atmospheric pressure and is placed in 40-80 ℃ of lower water-bath, make crude extract simmer down to medicinal extract.
2. a compound plant-source acaricide, is characterized in that, method prepares according to claim 1.
3. the application of compound plant-source acaricide according to claim 2, is characterized in that, under the stirring environment of 30-50 ℃, water is added wherein and be diluted to the concentration of 1-3wt% after be cooled to normal temperature, form aqua and spray and uses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110009737 CN102038014B (en) | 2011-01-18 | 2011-01-18 | Compound plant-source acaricide and preparation method thereof |
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| CN 201110009737 CN102038014B (en) | 2011-01-18 | 2011-01-18 | Compound plant-source acaricide and preparation method thereof |
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| CN102038014B true CN102038014B (en) | 2013-11-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102428969B (en) * | 2011-11-25 | 2014-01-15 | 上海交通大学 | Plant miticide and preparation method and application thereof |
| CN102972452B (en) * | 2012-11-28 | 2014-04-30 | 上海交通大学 | Biological plant source miticide prepared from urban greening wastes and preparation and application of biological plant source miticide |
| CN103340216B (en) * | 2013-06-21 | 2015-08-05 | 苏州市阳澄湖现代农业发展有限公司 | A kind of public nuisance-free agricultural chemicals microcapsule suspending agent and preparation method thereof |
| CN105028536B (en) * | 2015-07-07 | 2018-07-03 | 上海交通大学 | It is a kind of for the compound plant insecticide of mosquito larvae control and its preparation and application |
| CN105994425A (en) * | 2016-06-16 | 2016-10-12 | 太仓市雅丰农场专业合作社 | Environment-friendly miticide and preparing method thereof |
| 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 |
| CN112042681A (en) * | 2020-09-01 | 2020-12-08 | 安徽山湖生态建设有限公司 | Long-acting compound preparation for preventing and treating plant diseases and insect pests for Chinese roses and preparation method thereof |
| CN113498795B (en) * | 2021-08-17 | 2022-08-26 | 北京中农绿安有机农业科技有限公司 | Preparation method of pure natural plant acaricide |
Citations (3)
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|---|---|---|---|---|
| CN1895369A (en) * | 2006-06-12 | 2007-01-17 | 杨兴喜 | Domestic Chinese-herb insect-repellent growth |
| CN101163417A (en) * | 2005-04-21 | 2008-04-16 | 诺维信公司 | Plant extraction process |
| CN101547609A (en) * | 2006-10-11 | 2009-09-30 | Wm.雷格利Jr.公司 | Oral delivery vehicles containing a traditional chinese medicine of extract thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101163417A (en) * | 2005-04-21 | 2008-04-16 | 诺维信公司 | Plant extraction process |
| CN1895369A (en) * | 2006-06-12 | 2007-01-17 | 杨兴喜 | Domestic Chinese-herb insect-repellent growth |
| CN101547609A (en) * | 2006-10-11 | 2009-09-30 | Wm.雷格利Jr.公司 | Oral delivery vehicles containing a traditional chinese medicine of extract thereof |
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