CN102428969A - Plant miticide and preparation method and application thereof - Google Patents
Plant miticide and preparation method and application thereof Download PDFInfo
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- CN102428969A CN102428969A CN2011103831785A CN201110383178A CN102428969A CN 102428969 A CN102428969 A CN 102428969A CN 2011103831785 A CN2011103831785 A CN 2011103831785A CN 201110383178 A CN201110383178 A CN 201110383178A CN 102428969 A CN102428969 A CN 102428969A
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Abstract
The invention discloses a plant miticide and a preparation method and application thereof. The plant miticide consists of 40 to 80 percent by weight of chemical and 20 to 60 percent by weight of conventional adjuvants, wherein the components of the chemical material and the weight percentage contents of the components in the total amount of the chemical material are as follows: 5 to 40 percent of capsicum annuum linn extract, 2 to 40 percent of astragles propinquns schiscbk extract, 5 to 30 percent of photinia serrulata lindl extract and 2 to 30 percent of isatis indigotica fortune extract. The plant miticide utilizes agricultural wastes as main material resources, is completely prepared with the plant extracts, and has the advantages of high effectiveness, no residue, low production cost, economy, practicability, environment-friendliness and excellent comprehensive properties.
Description
Technical field
What the present invention relates to is a kind of plant acaricide of technical field of pesticide, and concrete a kind of utilization that relate to discarded plant resource miticide and preparation and the application of pepper plant as the main material source.
Background technology
In recent years, Along with people's is for the understanding clearly gradually of a series of environment, ecology and human health problems that chemical pesticide brought, and development low toxicity, efficiently becomes active demand to the biopesticide of environment, non-target organism safety.Wherein, from plant, seek material, become an important channel of current novel miticide initiative with killing pests and suppressing bacteria activity.In addition; Arbitrarily abandoning of current a large amount of agricultural wastes not only caused the idle and waste of ample resources, but also caused certain burden to environment; Therefore; Realize the utilization of agriculture waste resource circulation, fully idle its due society and economy of resource performance is worth, realize that sustainable development becomes the direction of current agricultural development.
Tetranychus cinnabarinus (Tetranychus cinnabarinus) is a kind of important phytophagy tetranychid; Have characteristics such as individuality is little, breeding is fast, development duration is short, sphere of action is little, adaptability is strong, mutation rate is high and be prone to develop immunity to drugs; Be the most difficult pest group that prevents and treats that generally acknowledges, its host plant is kind more than 100 nearly.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, in addition; The plant resource miticide meets the requirement of current and the future of agriculture sustainable development, will have wide application development prospect.
At present generally to be 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 " mentioned be curcumin chemical compounds, the turmerone compounds, and turmeric essential oil, pyridaben is processed preparation.Wherein pyridaben still accounts for significant proportion, and it belongs to the moderate toxicity synthetic pesticide, and the influence to aspects such as environment slightly reduces when using chemical pesticide separately though this technology compares, and still can cause the comparison severe contamination to environment.
Summary of the invention
Being of the object of the invention: to the above-mentioned deficiency that prior art exists, provide that a kind of efficient, noresidue, production cost are low, economical and practical, environmental friendliness, high comprehensive performance utilize agricultural wastes for the main material source, fully by the composite a kind of plant acaricide that forms of plant extracts.
The present invention realizes through following technical scheme:
The present invention provides a kind of plant resource miticide; Be made up of bulk drug (40～80%) and conventional auxiliary material (20%～60%), the weight percent content of its bulk drug component and shared bulk drug total amount thereof is: pepper extract 5～40%, Fructus Solani melongenae extract 2～40%, Chinese photinia extract 5～30%, woaded blue extract 2～30%.
Described capsicum (Capsicum annuum Linn) is taken from discarded stem, leaf or the root in pepper fruit results back.Described pepper extract is that discarded stem, leaf or the root in pepper fruit results back clayed into power, lixiviate, and filtration obtains.
Described eggplant (Astragles propinquns Schiscbk) is taken from stem, leaf or the root of discarding after the eggplant fruit harvest; Described Fructus Solani melongenae extract is that stem, leaf or root discarded after the eggplant fruit harvest are clayed into power, lixiviate, and filtration obtains.
Described Chinese photinia (Photinia serrulata Lindl) is taken from Chinese photinia and is pruned the stem or the leaf that get off; Described Chinese photinia extract is Chinese photinia to be pruned the stem or the leaf that get off clay into power, lixiviate, and filtration obtains.
Described woaded blue (Isatis indigotica Fortune) is taken from stem, leaf or the root of woaded blue.Described woaded blue extract is that stem, leaf or the root of woaded blue are clayed into power, lixiviate, and filtration obtains.
Described conventional auxiliary material is meant to promote extract dissolving or the solubilizer (tween, polyethylene glycol, neopelex, Potassium dodecylbenzenesulfonate etc.), emulsifier (odium stearate, lauryl sodium sulfate, APEO etc.) and/or the suspending agent that suspend, synergist (Tea Saponin etc.), bleeding agent (emulsifier BP etc.) etc.
The present invention relates to the acaricidal preparation method of above-mentioned plant resource; Be specially: discarded stem, leaf or root, Chinese photinia clayed into power after pruning stem, leaf or the root oven dry of the stem that gets off or leaf and woaded blue after respectively that capsicum results back is discarded stem, leaf or root and the eggplant fruit harvest; Again with ethanolic solution as extraction solvent, lixiviate 1-7d filters; Filtrating adopts the method for concentrating under reduced pressure to obtain medicinal extract respectively; And then add conventional auxiliary material, according to common process, process plant acaricide of the present invention.
Described oven dry is meant: 30-50 ℃ of oven dry down.
Described powder is meant: 20-40 purpose particulate powder.
Described ethanol is meant ethanolic solution or the absolute ethyl alcohol of 10%-95%v/v, and its consumption is 10-20 a times of powder quality.
Described concentrating under reduced pressure is meant: the crude extract that obtains after the lixiviate is vacuumized reduce pressure-0.1 atmospheric pressure and place 40-80 ℃ of following water-bath, make crude extract simmer down to medicinal extract.
The present invention relates to the acaricidal application of above-mentioned plant resource, under stirring at normal temperature, water is added in the plant acaricide, making it be diluted to plant extracts is that bulk drug accounts for to spray after the concentration of 0.5-5wt% and uses.
The present invention has following advantage with the prior art ratio:
(1) synergy can strengthen miticidal effect on the one hand between the primary raw material of composition product of the present invention, on the other hand because the acting in conjunction of the active ingredient of different effects mechanism can delay the pesticide resistance generation of medicament.
(2) raw material be easy to get, process simple, low for equipment requirements, very be beneficial to suitability for industrialized production, and the solvent after reclaiming also can reuse.Four plant species raw materials have plantation in the most of place of China; And behind the stem of capsicum, Ye Hegen, eggplant fruit harvest discarded stem, leaf or root and Chinese photinia to prune the stem, the leaf that get off all be agricultural discarded object; Realized the utilization again of resource; Avoid secondary pollution, helped the sustainable development of agricultural.
(3) this miticide derives from natural plant extracts, is easy under field conditions (factors) decompose, and to environment and ecosystem safety on every side, does not have problem of environmental pollution, is the biological miticide of a kind of pollution-free plant source.
Embodiment
Elaborate in the face of embodiments of the invention down, present embodiment is that prerequisite is implemented with technical scheme of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
In following examples; Conventional auxiliary material is example with the tween; Should be understood that conventional auxiliary material can adopt other solubilizer (tween, polyethylene glycol, neopelex, Potassium dodecylbenzenesulfonate etc.), emulsifier (odium stearate, lauryl sodium sulfate, APEO etc.) and/or the suspending agent that can promote extract dissolving or suspension, synergist (Tea Saponin etc.), bleeding agent (emulsifier BP etc.) etc. equally.Other unaccounted conditions are operated according to general common technology.
Embodiment 1
Bulk drug 80% is formed plant acaricide with conventional auxiliary material 20%
Take by weighing respectively discarded stem, leaf or root, Chinese photinia after pepper fruit results back discarded stem, leaf or root, the eggplant fruit harvest prune the stem that gets off or leaf and woaded blue stem, leaf or root powder (20 order particle) altogether 100g (wherein capsicum accounts for 40%, eggplant 25%, Chinese photinia 5%; Song blue 30%), flood 2d with 70% ethanolic solution 500ml in room temperature, filter; The filtrate decompression of getting four plant species concentrates the recovery solvent and obtains extracting medicinal extract, adds 20% tween again, stirs according to common process; It is mixed; Process plant acaricide, thin up in made plant acaricide then, making bulk drug concentration is 2wt%.Plant resource miticide after will diluting then carries out indoor biological activity determination to Tetranychus cinnabarinus, and method is soaked the stem infusion process according to the living tetranychid of surveying among the SOP in country southern agricultural chemicals initiative center and carried out.24 hours each life or death borer populations of handling of " Invest, Then Investigate ", its preventive effect is 95%.
Embodiment 2
Bulk drug 70% is formed plant acaricide with conventional auxiliary material 30%
Take by weighing respectively discarded stem, leaf or root, Chinese photinia after pepper fruit results back discarded stem, leaf or root, the eggplant fruit harvest prune the stem that gets off or leaf and woaded blue stem, leaf or root powder (20 order particle) altogether 200g (wherein capsicum accounts for 5%, eggplant 40%, Chinese photinia 30%; Song blue 25%), at room temperature flood 3d with 50% ethanolic solution 2000ml, filter; Get the concentrated solvent that reclaims of its filtrate decompression and obtain extracting medicinal extract, add the tween that weight accounts for whole plants miticide 30% again, stir according to common process; It is mixed; Process plant acaricide, thin up in made plant acaricide then, making bulk drug concentration is 3wt%.Plant acaricide after will diluting then adopts the indoor pot method to give birth to survey to Tetranychus cinnabarinus, adds up lethality after 24 hours, and its preventive effect is 94.5%.
Embodiment 3
Bulk drug 40% is formed plant acaricide with conventional auxiliary material 60%
Take by weighing respectively discarded stem, leaf or root, Chinese photinia after pepper fruit results back discarded stem, leaf or root, the eggplant fruit harvest prune the stem that gets off or leaf and woaded blue stem, leaf or root powder (20 order particle) altogether 200g (wherein capsicum accounts for 35%, eggplant 33%, Chinese photinia 30%; Song blue 2%), at room temperature flood 1d with 30% ethanolic solution 1500ml, filter; Get the concentrated solvent that reclaims of its filtrate decompression and obtain extracting medicinal extract; Add weight again and account for the conventional auxiliary material of whole plants miticide 60%,, process plant acaricide according to common process; Thin up in made plant acaricide then, making bulk drug concentration is 1wt%.Plant acaricide after will diluting then adopts the indoor pot method to give birth to survey to Tetranychus cinnabarinus, adds up lethality after 24 hours, and its preventive effect is 86.3%.
Embodiment 4
Bulk drug 50% is formed plant acaricide with conventional auxiliary material 50%
Take by weighing respectively discarded stem, leaf or root, Chinese photinia after pepper fruit results back discarded stem, leaf or root, the eggplant fruit harvest prune the stem that gets off or leaf and woaded blue stem, leaf or root powder (30 order particle) altogether 200g (wherein capsicum accounts for 38%, eggplant 2%, Chinese photinia 30%; Song blue 30%), at room temperature flood 4d with 60% ethanolic solution 2000ml, filter; Get the concentrated solvent that reclaims of its filtrate decompression and obtain extracting medicinal extract; Add weight again and account for the conventional auxiliary material of whole plants miticide 50%,, process plant acaricide according to common process; Thin up in made plant acaricide then, making bulk drug concentration is 3wt%.Plant acaricide after will diluting is then adopted the experiment of sub-district, field Tetranychus cinnabarinus is carried out field control effectiveness test, adds up lethality after 24 hours, and preventive effect reaches 93.8%.
Embodiment 5
Bulk drug 40～80% is formed plant acaricide with conventional auxiliary material 20%～60%
Take by weighing respectively discarded stem, leaf or root, Chinese photinia after pepper fruit results back discarded stem, leaf or root, the eggplant fruit harvest prune the stem that gets off or leaf and woaded blue stem, leaf or root powder (30 order particle) altogether 300g (wherein capsicum accounts for 25%, eggplant 25%, Chinese photinia 25%; Song blue 25%), at room temperature flood 7d with 90% ethanolic solution 2000ml, filter; Get the concentrated solvent that reclaims of its filtrate decompression and obtain extracting medicinal extract; Add weight again and account for the conventional auxiliary material of whole plants miticide 20%～60%,, process plant acaricide according to common process; Thin up in made plant acaricide then, making bulk drug concentration is 1wt%.Plant acaricide after will diluting is then adopted the experiment of sub-district, field Tetranychus cinnabarinus is carried out field control effectiveness test, adds up lethality after 24 hours, and preventive effect reaches 92.3%.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (9)
1. plant acaricide; It is characterized in that: the conventional auxiliary material by 40～80% raw materials by weight percent medicines and 20%～60% percentage by weight is formed, and wherein: the weight percent content of said bulk drug component and shared bulk drug total amount thereof is: pepper extract 5～40%, Fructus Solani melongenae extract 2～40%, Chinese photinia extract 5～30%, woaded blue extract 2～30%.
2. plant acaricide according to claim 1 is characterized in that: described pepper extract is that discarded stem, leaf or the root in pepper fruit results back clayed into power, lixiviate, and filtration obtains;
Described Fructus Solani melongenae extract is that stem, leaf or root discarded after the eggplant fruit harvest are clayed into power, lixiviate, and filtration obtains;
Described Chinese photinia extract is Chinese photinia to be pruned the stem or the leaf that get off clay into power, lixiviate, and filtration obtains;
Described woaded blue extract is that stem, leaf or the root of woaded blue are clayed into power, lixiviate, and filtration obtains.
3. the preparation method of a plant acaricide according to claim 1 and 2; It is characterized in that: discarded stem, leaf or root, Chinese photinia clayed into power after pruning stem, leaf or the root oven dry of the stem that gets off or leaf and woaded blue after respectively that capsicum results back is discarded stem, leaf or root and the eggplant fruit harvest, again with ethanolic solution as extraction solvent, lixiviate; Filter; Filtrating adopts the method for concentrating under reduced pressure to obtain medicinal extract respectively, and then adds conventional auxiliary material, processes plant acaricide.
4. the preparation method of plant acaricide according to claim 3, it is characterized in that: described oven dry is meant: 30-50 ℃ of oven dry down.
5. the preparation method of plant acaricide according to claim 3, it is characterized in that: described powder is meant: 20-40 purpose particulate powder.
6. the preparation method of plant acaricide according to claim 3, it is characterized in that: described ethanol is meant ethanolic solution or the absolute ethyl alcohol of 10%-95%v/v, its consumption be powder quality 10-20 doubly.
7. the preparation method of plant acaricide according to claim 3, it is characterized in that: described concentrating under reduced pressure is meant: the crude extract that obtains after the lixiviate is vacuumized reduce pressure-0.1 atmospheric pressure and place 40-80 ℃ of following water-bath, make crude extract simmer down to medicinal extract.
8. the preparation method of plant acaricide according to claim 3, it is characterized in that: described lixiviate, its time is 1-7 days.
9. the application of a plant acaricide according to claim 1 and 2 is characterized in that: under stirring at normal temperature, water is added in the plant acaricide, making it be diluted to plant extracts is that bulk drug accounts for to spray after the concentration of 0.5-5wt% and uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110383178.5A CN102428969B (en) | 2011-11-25 | 2011-11-25 | Plant miticide and preparation method and application thereof |
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| CN201110383178.5A CN102428969B (en) | 2011-11-25 | 2011-11-25 | Plant miticide and preparation method and application thereof |
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| CN102428969A true CN102428969A (en) | 2012-05-02 |
| CN102428969B CN102428969B (en) | 2014-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028536A (en) * | 2015-07-07 | 2015-11-11 | 上海交通大学 | Compound botanical insecticide for mosquito larvae control, preparation method therefor and applications thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028536A (en) * | 2015-07-07 | 2015-11-11 | 上海交通大学 | Compound botanical insecticide for mosquito larvae control, preparation method therefor and applications 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 |
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| CN102428969B (en) | 2014-01-15 |
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