CN102599201A - Compound plant-derived pesticide and preparation method thereof - Google Patents
Compound plant-derived pesticide and preparation method thereof Download PDFInfo
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- CN102599201A CN102599201A CN2012100447020A CN201210044702A CN102599201A CN 102599201 A CN102599201 A CN 102599201A CN 2012100447020 A CN2012100447020 A CN 2012100447020A CN 201210044702 A CN201210044702 A CN 201210044702A CN 102599201 A CN102599201 A CN 102599201A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title description 6
- 239000000284 extract Substances 0.000 claims abstract description 37
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
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- 244000044425 Quisqualis indica Species 0.000 claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 22
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 claims abstract description 15
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- 238000002156 mixing Methods 0.000 claims abstract description 13
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- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims abstract description 8
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- NAHTXVIXCMUDLF-RFNFAWMESA-N toosendanin Chemical compound C=1([C@H]2[C@]3(C)[C@@H](OC(C)=O)C(=O)[C@H]4[C@@]([C@@]53O[C@@H]5C2)(C)[C@H](O)C[C@H]2[C@@]3(C)[C@H](O)OC[C@]24[C@@H](O)C[C@H]3OC(=O)C)C=COC=1 NAHTXVIXCMUDLF-RFNFAWMESA-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 relates to a compound plant-derived pesticide, which is prepared by mixing the following components in percentage by weight: 2-5% of nicotine, 2-5% of wild mugwort oil, 3-8% of cinnamon leaf oil, 5-10% of litsea cubeba oil, 30-40% of flavescent sophora root mixed ethanol extract, 10-15% of Rangoon creeper fruit mixed water extract, 15-20% of emulsifying agent, 1-2% of sodium dodecylsulfate and the balance of water, wherein the flavescent sophora root mixed ethanol extract is obtained by extracting 3 parts by weight of flavescent sophora root, 1 part by weight of triperygium wilfordii, 2 parts by weight of toosendan fruit, 2 parts by weight of hellebore, 2 parts by weight of szechuan aconite, 1 part by weight of cnidium fruit and 1 part by weight of camphor tree seed with 70wt% ethanol solution, and has the relative density of 1.02-1.10; and the Rangoon creeper fruit mixed water extract is obtained by extracting 1 parts by weight of groundsel and 2 parts by weight of Rangoon creeper fruit with water solution, and has the relative density of 1.02-1.10. The compound plant-derived pesticide overcomes the limitations that the most plant derived pesticides are single in pest-killing components and simple in action mechanism, improves the comprehensive prevention and control effect, is quick in acting and long in duration, and avoids the generation of pest pesticide resistance.
Description
Technical field
The present invention relates to a kind of agricultural chemicals and preparation method thereof, specifically a kind of compound botanical source pesticide and preparation method thereof.
Background technology
The agricultural chemicals major part of using both at home and abroad at present is a chemical pesticide.Chemical pesticide is when control crops pest, and it is few to have a consumption, instant effect; Characteristics such as good disinsection effect, however chemical pesticide is in use; Human and ecotope have been caused serious negative effect, for example: in manufacturing and use, cause poisoning easily; Medicament is difficult for degraded, and contaminated environment is residual easily in crops; The medicament poor selectivity is killed natural enemy and nontarget organism, and is dangerous to people and animals; Insect is easy to generate pesticide resistance, and control efficiency descends.Along with the development of society and the progress of science and technology; All negative effects that chemical pesticide brings; Particularly the harm of food security, ecotope has been caused people's great attention; Therefore, a kind of novel agrochemical to human health and ecotope green safety of exploitation has seemed particularly important and urgent.In order to address the above problem, many researchers have also invented microbial pesticide, and that microbial pesticide has is nontoxic, the advantage of environmental protection, but it has the cost height, the defective of complex manufacturing.Botanical pesticide is from the plant tissue that contains insecticide active substance, to extract its active ingredient to process; In environment, be prone to the degraded disappearance because of it has, be difficult for making insect to develop immunity to drugs, people and animals and the biological comparatively safe characteristics of non-target are received the great attention of Chinese scholars, and obtained some gratifying progress.But the present botanical pesticide product of exploitation or exist active ingredient single, insecticide efficiency is not high, or has complex manufacturing, or characteristics such as quick-acting difference, makes the production of this series products and popularization receive certain restriction.
Summary of the invention
To the above-mentioned deficiency of prior art, the object of the present invention is to provide a kind of wide spectrum, efficient, low toxicity, the simple compound botanical source pesticide of production technology and preparation method thereof.
Technical scheme of the present invention is achieved in that it is mixed by the component of following weight per distribution ratio: nicotine 2-5%, mugwort sagebrush oil 2-5%, the 3-8% of Cinnamomum Camphora Oil; Litsea cubeba oil 5-10%; Kuh-seng mixed ethanol extract 30-40%, fruit of Rangoon creeper's mixing water extract 10-15%, emulsifier 15-20%; Dodecyl sodium sulfate 1-2%, surplus is a water; Wherein said kuh-seng mixed ethanol extract be with the material of vegetable origin of following portions by weight after mass percent 70% ethanolic solution extracts, obtaining relative density is the 1.02-1.10 extract: 3 parts of kuh-sengs, 1 part of thunder godvine, 2 parts of Fructus meliae toosendans, 2 parts of black false hellebores, 2 parts of monkshoods, 1 part of frutus cnidii, 1 part of camphor tree seed; Described fruit of Rangoon creeper's mixing water extract be material of vegetable origin with following portions by weight after extraction with aqueous solution, obtaining relative density is the 1.02-1.10 extract: 1 part of climbing groundsel, 1 part in Chinese prickly ash, 2 parts of the fruits of Rangoon creeper.
Technical scheme of the present invention is: it is mixed by the component of following weight per distribution ratio: nicotine 3%, mugwort sagebrush oil 3%, Cinnamomum Camphora Oil 5%; Litsea cubeba oil 8%; Kuh-seng mixed ethanol extract 36%, fruit of Rangoon creeper's mixing water extract 12%, emulsifier 16%; Dodecyl sodium sulfate 1%, surplus are water.
The better technical scheme of the present invention is: described nicotine is from tobacco plant, to extract; Described mugwort sagebrush oil extracts through steam distillation; Described Cinnamomum Camphora Oil extracts through steam distillation; Described litsea cubeba oil extracts through steam distillation.Described emulsifier is a Tween 80.
The present invention is raw material with the natural plants; By tobacco, wild Radix Artemisia ordosicae, camphortree leaf, the fruit of a cubeb litsea tree, kuh-seng, thunder godvine, Fructus meliae toosendan, camphor tree seed, black false hellebore, monkshood, frutus cnidii, climbing groundsel, Chinese prickly ash and the fruit of Rangoon creeper's activity extract, add that additive preparation forms.Acetylcholinergic receptor on nicotine in the tobacco and the insect nerve cell is by extremely strong affinity, and nicotine acts on acetylcholinergic receptor, makes the neuron soma sustained activation, and polypide continues spasm and death.Nicotine insect is had strong tag, stomach toxicity and fumigation action, and ovicidal action is arranged.Wild Radix Artemisia ordosicae volatile oil main component is cineole and terpineol, and insect is mainly shown as stomach toxicity and food refusal effect.Camphortree leaf and camphor tree seed mainly contain camphor, linalool, cineol and terpineol, and insect is had strong repellent and food refusal effect.Contain a large amount of citrals in the fruit of a cubeb litsea tree, insect is mainly shown as stifling and toxic action.Kuh-seng mainly contains matrine and oxymatrine, and main effect and insect nervous system produce insect and faint from fear, and then act on the respiratory muscle nerve, make insect die from respiration inhibition.Thunder godvine contains wilfordine, and insect is had the stomach toxicity food refusal, suppresses to grow and avoid and keep away insecticidal activity such as lay eggs.Fructus meliae toosendan contains toosendanin, melianoninol, melianol isoreactivity composition, mainly destroys the insect midgut tissue and causes insect death.The contained alkaloid of black false hellebore and monkshood all has very strong tagging and stomach poison function to insect.Climbing groundsel mainly contains flavoxanthin, chrysanthemum flavine and alkaloid, and insect is mainly shown as action of contace poison.Mainly contain compositions such as citrene, cumic alcohol in the Chinese prickly ash, insect is mainly shown as repellent, food refusal effect.Quisqualic Acid among the fruit of Rangoon creeper has very strong action of contace poison to insect.
The present invention adopts different method for distilling according to the characteristics and the mechanism of action of various natural plant insect killing active components, to the reasonable assembly of various plants extract; Except that containing plant volatile oil, alkaloid, also contain other bioactivator in a large number, give full play to the synergistic function between the various active components; It is single to have overcome most plants source pesticide insecticidal constituent; The simple limitation of the mechanism of action has improved the integrated control effect of product, and onset is rapid; Lasting period is long, has avoided the generation of pest resistance to insecticide.
Compound botanical source pesticide of the present invention has the following advantages:
1, the material of vegetable origin wide material sources are cheap, and production cost is low.
2, have multiple controlling way, comprise neural poison, stomach toxicity, tag, fumigate, effects such as anesthesia and repellent.Desinsection is renderd a service high, instant effect, test show medication after 24 hours insect population go down rate more than 70%, insect population goes down rate more than 90% after 48 hours, the longevity of residure reached more than 15 days.
3, the indoor determination of activity of doing to oriental aphis craccivora in Hubei Province biological pesticide Engineering Research Center shows that this product still has the effect of well tagging to aphid when diluting 640 times, and has certain plant conduction activity.
4, the desinsection scope is wide, and experiment shows for various pests such as diamond-back moth, cabbage caterpillar, prodenia litura, beet armyworm, tomato moth, vegetable aphid, wood louse, aleyrodid, broad bean weevil, adzuki bean weevil, liriomyza bryoniae and two spotted spider mite and worm's ovum thereof good killing effect is arranged all.
5, in environment, be prone to degraded disappear, be difficult for making insect develop immunity to drugs, comparatively safe to people and animals, can not work the mischief to environment, can not influence the quality of crops.
To tagging and conduction activity in plant of oriental aphis craccivora
Effect is judged: the worm alive of inspection with the naked eye.Touch polypide with thin label, unresponsive fully is dead worm.Calculate action effect by staging.That does not have the worm that lives is labeled as 10, and what the borer population of living was close with control group is labeled as 0.Between 10 and 0, set up level Four: 9,7,5,3, to distinguish the different effects effect.
Embodiment
Be described in further detail below in conjunction with embodiment specific embodiments of the invention and relevant technologies problem.
Embodiment 1:
The present invention is mixed by the component of following weight per distribution ratio:
Nicotine 2%, mugwort sagebrush oil 2%, Cinnamomum Camphora Oil 3%, litsea cubeba oil 5%, kuh-seng mixed ethanol extract 30%, fruit of Rangoon creeper's mixing water extract 10%, emulsifier 15%, dodecyl sodium sulfate 1%, surplus is a water; Wherein said kuh-seng mixed ethanol extract be with the material of vegetable origin of following portions by weight after mass percent 70% ethanolic solution extracts, obtaining relative density is 1.02 extracts: 3 parts of kuh-sengs, 1 part of thunder godvine, 2 parts of Fructus meliae toosendans, 2 parts of black false hellebores, 2 parts of monkshoods, 1 part of frutus cnidii, 1 part of camphor tree seed; Described fruit of Rangoon creeper's mixing water extract be material of vegetable origin with following portions by weight after extraction with aqueous solution, obtaining relative density is 1.05 extracts: 1 part of climbing groundsel, 1 part in Chinese prickly ash, 2 parts of the fruits of Rangoon creeper.
Embodiment 2:
Component by the following weight per distribution ratio mixes:
Nicotine 5%, mugwort sagebrush oil 5%, Cinnamomum Camphora Oil 8%, litsea cubeba oil 10%, kuh-seng mixed ethanol extract 40%, fruit of Rangoon creeper's mixing water extract 15%, emulsifier 20%, dodecyl sodium sulfate 2%, surplus is a water; Wherein said kuh-seng mixed ethanol extract be with the material of vegetable origin of following portions by weight after mass percent 70% ethanolic solution extracts, obtaining relative density is 1.05 extracts: 3 parts of kuh-sengs, 1 part of thunder godvine, 2 parts of Fructus meliae toosendans, 2 parts of black false hellebores, 2 parts of monkshoods, 1 part of frutus cnidii, 1 part of camphor tree seed; Described fruit of Rangoon creeper's mixing water extract be material of vegetable origin with following portions by weight after extraction with aqueous solution, obtaining relative density is 1.05 extracts: 1 part of climbing groundsel, 1 part in Chinese prickly ash, 2 parts of the fruits of Rangoon creeper.
Embodiment 3:
Component by the following weight per distribution ratio mixes:
Nicotine 3%, mugwort sagebrush oil 3%, Cinnamomum Camphora Oil 5%, litsea cubeba oil 8%, kuh-seng mixed ethanol extract 36%, fruit of Rangoon creeper's mixing water extract 12%, emulsifier 16%, dodecyl sodium sulfate 1%, surplus is a water; Wherein said kuh-seng mixed ethanol extract be with the material of vegetable origin of following portions by weight after mass percent 70% ethanolic solution extracts, obtaining relative density is 1.10 extracts: 3 parts of kuh-sengs, 1 part of thunder godvine, 2 parts of Fructus meliae toosendans, 2 parts of black false hellebores, 2 parts of monkshoods, 1 part of frutus cnidii, 1 part of camphor tree seed; Described fruit of Rangoon creeper's mixing water extract be material of vegetable origin with following portions by weight after extraction with aqueous solution, obtaining relative density is 1.10 extracts: 1 part of climbing groundsel, 1 part in Chinese prickly ash, 2 parts of the fruits of Rangoon creeper.
Claims (7)
1. compound botanical source pesticide, it is mixed by the component of following weight per distribution ratio: nicotine 2-5%, mugwort sagebrush oil 2-5%; The 3-8% of Cinnamomum Camphora Oil, litsea cubeba oil 5-10%, kuh-seng mixed ethanol extract 30-40%; Fruit of Rangoon creeper's mixing water extract 10-15%; Emulsifier 15-20%, dodecyl sodium sulfate 1-2%, surplus is a water; Wherein said kuh-seng mixed ethanol extract be with the material of vegetable origin of following portions by weight after mass percent 70% ethanolic solution extracts, obtaining relative density is the 1.02-1.10 extract: 3 parts of kuh-sengs, 1 part of thunder godvine, 2 parts of Fructus meliae toosendans, 2 parts of black false hellebores, 2 parts of monkshoods, 1 part of frutus cnidii, 1 part of camphor tree seed; Described fruit of Rangoon creeper's mixing water extract be material of vegetable origin with following portions by weight after extraction with aqueous solution, obtaining relative density is the 1.02-1.10 extract: 1 part of climbing groundsel, 1 part in Chinese prickly ash, 2 parts of the fruits of Rangoon creeper.
2. a kind of compound botanical source pesticide according to claim 1, it is mixed by the component of following weight per distribution ratio: nicotine 3%, mugwort sagebrush oil 3%; Cinnamomum Camphora Oil 5%, litsea cubeba oil 8%, kuh-seng mixed ethanol extract 36%; Fruit of Rangoon creeper's mixing water extract 12%; Emulsifier 16%, dodecyl sodium sulfate 1%, surplus is a water.
3. a kind of compound botanical source pesticide according to claim 1, wherein said nicotine is from tobacco plant, to extract.The nicotine method for distilling: 1 part on tobacco leaf, add 1% aqueous sulfuric acid and soak after 2 hours, boiled after the heating 2 hours, cooled and filtered, filtrating is concentrated into about 15% of original volume, transfers pH value to 10 with sodium hydroxide, adds thermal distillation then, collects distillate with condenser.When distillate reaches concentrate 40% volume, stop distillation, collected distillate is the required nicotine aqueous solution.Can buy on the market.
4. described a kind of compound botanical source pesticide according to claim 1, wherein said mugwort sagebrush oil extracts through steam distillation.The wild Radix Artemisia ordosicae method of extraction of essential oil: 1 part of wild Radix Artemisia ordosicae, add 8 parts in water and soak after 1 hour, heated and boiled is extracted, and collects distillate with condenser, obtains the wild Radix Artemisia ordosicae essential oil after the water-oil separating.Can buy on the market.
5. described a kind of compound botanical source pesticide according to claim 1, wherein said Cinnamomum Camphora Oil extracts through steam distillation.The camphortree leaf method of extraction of essential oil: 1 part of camphortree leaf, add 6 parts in water and soak after 1 hour, heated and boiled is extracted, and collects distillate with condenser, obtains the camphortree leaf essential oil after the water-oil separating.Can buy on the market.
6. described a kind of compound botanical source pesticide according to claim 1, wherein said litsea cubeba oil extracts through steam distillation.The litsea cubeba oil method for distilling: 1 part in the fruit of a cubeb litsea tree, add 5 parts in water and soak after 1 hour, heated and boiled is extracted, and collects distillate with condenser, obtains litsea cubeba oil after the water-oil separating.Can buy on the market.
7. described a kind of compound botanical source pesticide according to claim 1, wherein said emulsifier is a Tween 80.
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