CN101156607A - A plant pesticide and its preparing method as well as application - Google Patents
A plant pesticide and its preparing method as well as application Download PDFInfo
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- CN101156607A CN101156607A CNA2007101776984A CN200710177698A CN101156607A CN 101156607 A CN101156607 A CN 101156607A CN A2007101776984 A CNA2007101776984 A CN A2007101776984A CN 200710177698 A CN200710177698 A CN 200710177698A CN 101156607 A CN101156607 A CN 101156607A
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- 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
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Abstract
The invention relates to vegetative insecticide, and the raw material contains the following weight-proportioned material medicine that: black false hellebore is 2.6-2.8 parts, thunder god vine is 1.4-1.8 parts, sophora flavescens is 5.2-6.0 parts, radix euphorbiae ebractealatae is 0.8-1.2 parts, conelike redpepper is 0.8-1.2 parts, tobacco leaf is 0.8-1.2 parts, chinaberry bark is 0.8-1.2 parts, and stemona is 0.8-1.2 parts. The vegetative antiseptic of the invention is effective, low-toxic, and environment-friendly. The invention also relates to the preparation method and the application of the vegetative antiseptic.
Description
Technical field
The present invention relates to a kind of insecticide, particularly vegetative insecticide and its production and application.
Background technology
Along with the raising and the science and technology development of China's living standards of the people, people have had higher level requirement to clothing, food, lodging and transportion--basic necessities of life, particularly food security have been had higher requirement.That people more and more favor is pollution-free, the green cereal and the vegetables and fruits of non agricultural chemical residuum.But China all is high poison, the persistent pesticide of chemosynthesis owing to what use aspect prevention and elimination of disease and pests for a long time, and ecotope has been caused destruction in various degree, and the food that people and animals are depended on for existence has also caused serious day by day harm.
Based on above-mentioned background, in order to satisfy the requirement that people improve day by day, be necessary to propose a kind of novel vegetable insecticide to food security, make it in effective desinsection, guarantee to be prevented and treated the safety of plant.
Summary of the invention
The objective of the invention is to: a kind of novel vegetable insecticide is provided, makes it not only have good insecticidal effect but also environmentally friendly, plant noresidue, insect is difficult for developing immunity to drugs.
The objective of the invention is to be achieved through the following technical solutions:
One vegetative insecticide is provided, it is characterized in that containing in the raw material following bulk drugs:
0.8～1.2 part of 2.6～2.8 parts of black false hellebores, 1.4～1.8 parts of thunder godvines, 5.2～6.0 parts of kuh-sengs, 0.8～1.2 part of the root of langdu, 0.8～1.2 part of capsicum annum fasciculatum, 0.8～1.2 part on tobacco leaf, 0.8～1.2 part of azedarach and the tuber of stemona.
Preferably contain following bulk drugs in the described raw material:
1 part of 2.72 parts of black false hellebores, 1.6 parts of thunder godvines, 5.6 parts of kuh-sengs, 1 part of the root of langdu, 1 part of capsicum annum fasciculatum, 1 part on tobacco leaf, 1 part of azedarach and the tuber of stemona.
Described insecticide also contains the auxiliary agent of 15～25% percentage by weights, preferably contains the auxiliary agent of 20% percentage by weight.
The preferred commercially available farming breast 2201 of described auxiliary agent.
The present invention also provides the preparation method of described vegetable insecticide, may further comprise the steps:
1) get bulk drug according to described weight portion after, mix and be ground into powder, standby;
2) solvent that adds its 10 times of weights in step 1) gained mixed-powder is used to extract bulk drug active ingredient, feeds the steam distillation solvent then soup is concentrated, and so the concentrated medicament 6～8 hours while extracting makes and carries to such an extent that relative density of medicine liquid is 1.1～1.2;
3) in step 2) add auxiliary agent in the gained concentrated medicament and obtain mixed solution, make auxiliary agent content reach 15～25% of mixed solution weight, promptly obtain described vegetable insecticide after fully mixing solution.
The described pulverizing of step 1) is the meal that pulverizing medicinal materials was become 30～40 mesh sieves.
Step 2) described solvent preferred concentration is 95% food grade ethanol.
The present invention also provides the application of described vegetable insecticide aspect control wheat, cotton, paddy rice, fruit and vegetables insect pest.Concrete pest control comprises: wheat aphid, cotten aphid, cotton bollworm, rice-stem borer, paddy stem borer, cnaphalocrocis cicada, rice plant skipper, rice fulgorid, leafhopper, thrips, vegetable aphid, cabbage caterpillar, mythimna separata, heart-eating worm, fruit tree pear sucker, yellow mealworm, scale insect, two spotted spider mite, big Grapholita spp, pine caterpillars etc.
Black false hellebore in the vegetable insecticide side of the present invention (Veratrum nigrum) another name: RADIX ET RHIZOMA VERATRI NIGRI is the root and rhizome of dicotyledon medicine liliaceous plant RADIX ET RHIZOMA VERATRI NIGRI.The high 60-100 of this plant centimetre, stem is sturdy, elliptic leaf shape, long 20-25 centimetre, wide 5-10 centimetre.Panicle, adnation raceme are male flower, terminal inflorescence tool hermaphrodite flower, and the most close lifes of Xiao Hua, tepal is deceived purple.The long 1.5-2 of capsule centimetre.Wide about 1 centimetre, the florescence 7-8 month; The fruit phase 8-9 month.
The habitat distributes: be born in border, grassy marshland or hillside sylvan life.Be distributed in China northeast, North China, Gannan, Shan portion, Hubei, Sichuan and Guizhou, the north, Asia and central Europe also have.
Purposes: root and rhizome is used as medicine, can be emetic, eliminate the phlegm, desinsection, cure mainly the heap soil or fertilizer over and around the roots of apoplexy phlegm, epilepsy, larynx numbness etc.; External application is controlled mange, is disliked sore, desinsection maggot.
Effect: anemophlegmatic vomiting, clearing heat and detoxicating, desinsection.
Concocting method: get crude drug, remove impurity.
Through identifying that black false hellebore contains Rubijevine, multiple alkaloid, there is stomach toxicity to kill effect to insect.
Thunder godvine in the vegetable insecticide side of the present invention is the stem of removing crust and the root of Celastraceae plant thunder godvine, prescription another name: thunder godvine, Thunder God with.Thunder godvine originates in ground such as Zhejiang, Anhui, Jiangxi, Hunan, excavates autumn, removes clean two-layer skin, dries, and gives birth to and uses.Thunder godvine contains multiple alkaloid such as wilfordine, wilfordine, diterpenoid-lactone, triptonide and dulcin etc., has tangible antitumor activity effect.Property of medicine hardship, suffering, cold.
The root of langdu in the vegetable insecticide side of the present invention is the root of Thymelaeceae plant Chinese Stellera Root or euphorbia plant euphorbia fischeriana, month line root of Beijing euphorbia.Perennial herb, adularescent milk.Be born in the alpine rock seam or patana, main product is in Yunnan.The oval column of root, coniform to the spindle shape, diameter 1～8cm, the crust yellowish-brown, tool is indulged wrinkle.Opaque, the section yellow-white has the alternate concentricity of convex-concave.The root of langdu contains root of Beijing euphorbia resin, alkaloid and saponin etc.Nature and flavor temperature, flavor suffering, bitter, very toxic.
The preferred application process of vegetable insecticide of the present invention: the concentration of insecticide is different with pest species according to the present invention, water dilutes 600～800 times with the insecticide for preparing, also need to determine the application dosage of unit are then, be generally every mu and use 4～15kg vegetable insecticide of the present invention according to the plant size.Special using opportunity: cotten aphid is in the dispenser of spot film emergence period; Cotton bollworm, cabbage caterpillar are contained the phase dispenser in the hatching of ovum.
Vegetable insecticide of the present invention is the breen transparency liquid, and is more stable to weak acid liquid and neutral liquid, remarkable to the insect killing effect of insects such as above-mentioned cotten aphid, vegetable aphid, cabbage caterpillar, cotton bollworm, can be by following experimental verification:
(1) cotten aphid preventive effect experiment
One, experimental subjects:
Cotten aphid
Two, experimental technique:
Experiment place: farmland, Baoding Feng Zhuan village.
Experiment grouping: select 15 sub-districts in the field at random, 0.05 mu of every sub-district area, these 15 sub-districts are divided into 3 groups at random, use 500 times of (A), 750 times (B) of insecticide dilution of the embodiment of the invention 1 preparation, 1000 times (C), the dilution of 50% acephatemet missible oil 750 times (D) and clear water (E) respectively respectively 3 times, soup evenly is sprayed onto each position of plant hand and foot for every group with every mu of 75 kilograms of chemical liquid consumption.
Experiment observational technique: adopt and decide the investigation of strain fixed blade, fixed 5 points in every sub-district before the dispenser, every fixed 2 strains, every strain has 3 in aphid blade (each a slice of cotton plant upper, middle and lower) surely, record aphid number, residual borer population on 3 leaves of inquiry agency field planting strain in the 1st, 3,5,7 day after the dispenser calculates go down rate and proofread and correct go down rate and calculate 3 dispenser results' mean value of insect population of insect population.
Three, experimental result
Experimental result sees Table 1.
The effect of table 1. vegetable insecticide control of the present invention cotten aphid
| Handle | Insect population radix (average single leaf worm number) | Control efficiency (%) | |||||||
| 1 day | 3 days | 5 days | 7 days | ||||||
| Rate goes down | Preventive effect | Rate goes down | Preventive effect | Rate goes down | Preventive effect | Rate goes down | Preventive effect | ||
| A B C D E | 48.5 53.2 49.4 45.9 51.6 | 79.5 75.4 68.4 70.1 -8.2 | 81.05 77.26 70.79 72.37 | 90.4 86.3 76.8 77.4 -12.3 | 91.45 87.80 79.34 79.88 | 92.2 89.2 79.5 78.9 | 92.97 90.27 81.53 80.99 | 88.6 87.1 80.2 77.8 -10. 1 | 89.65 88.28 82.02 79.84 |
As seen, 500～750 times of controls of insecticide of the present invention cotten aphid effect significantly is better than 750 times of 50% acephatemets from table 1, and 1000 times preventive effect is near 750 times of 50% acephatemets.
(2) cotton bollworm preventive effect experiment
One, experimental subjects:
The 3rd generation cotton bollworm
Two, experimental technique:
1. indoor insecticidal test:
40 of 2 instar bollworm grubs of adopting from the field, be divided into 4 groups at random, put into the foster worm cylinder of cotton tender leaf, then the insecticide of the embodiment of the invention of using in the experiment that will prepare () 1 and clear water with small-sized hand-operated sprayer respectively quantitative and even be sprayed onto on 4 groups of polypides and the cotton leaf, treat to observe dead borer population after 24 hours, and calculate lethality and corrected mortality.
2. field insecticidal test:
The experiment place is identical with experiment () with the experiment grouping, just the ovum incubation period of dispenser choose opportunities cotton bollworm.
The experiment observational technique: adopt and decide the investigation of strain fixed blade, fixed 5 points in every sub-district before the dispenser, every fixed 2 strains, investigation in the 3rd, 5, the 7 day larva number of living after preceding 1 day of dispenser and dispenser is represented preventive effect with the rate of going down of the control group of the relative not dispenser of larva.
Three, experimental result
Experimental result sees Table 2 and 3
The effect of the indoor cotton bollworm that tags of table 2. vegetable insecticide of the present invention
| Handle | For the examination borer population | 24 hours dead borer populations | Lethality (%) | Corrected mortality (%) |
| A B C E | 10 10 10 10 | 10 10 10 0 | 100 100 100 0 | 100 100 100 |
The effect of table 3. vegetable insecticide field control of the present invention cotton bollworm
| Handle | Control efficiency | |||||
| 3 days | 5 days | 7 days | ||||
| Larva number/hundred strains | Preventive effect (%) | Larva number/hundred strains | Preventive effect (%) | Larva number/hundred strains | Preventive effect (%) | |
| A B C D E | 107 137 420 170 573 | 87.28 80.34 26.70 69.81 | 160 187 433 160 587 | 79.74 68.14 26.24 72.74 | 179 210 442 280 565 | 68.32 62.83 21.76 50.44 |
As seen, 500,750 and 1000 times in insecticide of the present invention all can produce 100% the effect of tagging to cotton bollworm in 24 hours after dispenser from table 2 and 3; 500～750 times of controls of insecticide wherein of the present invention cotton bollworm is effective, the lasting period is long, takes place can control insect pest under the heavier situation cotton bollworm.
(3) cabbage caterpillar preventive effect experiment
One, experimental subjects:
Cabbage caterpillar
Two, experimental technique:
Experiment place: Sun Cun farmland, suburban area Sun Cun township, Shijiazhuang City, Hebei Province.
Experiment grouping: select 15 sub-districts in the field at random, 0.03 mu of every sub-district area, these 15 sub-districts are divided into 3 groups at random, use 600 times of (A1), 800 times (B1) of insecticide dilution of the embodiment of the invention 1 preparation, 1000 times (C1), 2.5% decis 1000 times (D1) and clear water (E) respectively respectively 3 times for every group, spray method evenly is sprayed onto each position of plant with every mu of 45 kilograms of chemical liquid consumption hand and foot with soup routinely.
Borer population alive was investigated and write down to fixed point investigation 30 strains of every sub-district respectively in 24 hours, the 3rd day and the 5th day after preceding 1 day of dispenser and dispenser, calculate the average preventive effect of 3 dispensers.
Three, experimental result
Experimental result sees Table 4.
The effect of table 4. vegetable insecticide control of the present invention cabbage caterpillar
| Handle | The insect radix | Control efficiency (%) | |||||
| 24 hours | 3 days | 5 days | |||||
| Borer population alive | Preventive effect % | Borer population alive | Preventive effect % | Borer population alive | Preventive effect % | ||
| A1 B1 C1 D1 E | 42 32 28 31 31 | 3 10 4 1 31 | 93 84 86 97 | 2 5 3 1 30 | 95 92 89 97 | 1 5 3 1 30 | 98 92 89 97 |
As seen, as vegetal insecticide, insecticide of the present invention can effectively be controlled the cabbage caterpillar insect pest for 600～800 times from table 4, and killing property of speed is good, and the longevity of residure is short, is fit to use on the vegetables.
(4) vegetable aphid preventive effect experiment
One, experimental subjects:
Vegetable aphid (cabbage aphid)
Two, experimental technique:
The experiment place is identical with experiment (three) with experimental technique, is fixed point investigation 6 strains of every sub-district.
Three, experimental result
Experimental result sees Table 5.
The effect of table 5. vegetable insecticide control of the present invention vegetable aphid
| Handle | The insect radix | Control efficiency (%) | |||||
| 24 hours | 3 days | 5 days | |||||
| Borer population alive | Preventive effect % | Borer population alive | Preventive effect % | Borer population alive | Preventive effect % | ||
| A1 B1 C1 D1 E | 975 1260 1170 980 1100 | 90 113 146 374 1020 | 90 91 87 62 7 | 50 77 130 315 1105 | 95 94 89 68 -0.5 | 40 70 134 302 1121 | 96 94 89 68 -3.3 |
Cabbage aphid is the insect that a kind of pesticide resistance is strong, difficulty of prevention and cure is big, and as seen, the effect of 600～1000 times of controls of insecticide of the present invention cabbage aphid all significantly is better than decis, and killing property of speed is good, residual effect short, is fit to be applied to vegetables from table 5.
In addition, compared with prior art, the present invention also has following other beneficial effect:
1. vegetable insecticide of the present invention is safer to people and animals.
By acute oral, percutaneous toxicity test, eye irritation test and acute skin irritation test, proved that insecticide of the present invention is to people and animals' low toxicity, nonirritant to SD mouse, White Rabbit.
2. insecticide of the present invention is little to the cotton field enemy influence, helps to keep the cotton field ecotope.
3. insecticide of the present invention with the traditional Chinese medicine is feedstock production, and is more friendly to environment than the insecticide of chemistry property.
Embodiment
Embodiment 1
1) gets black false hellebore 68kg, thunder godvine 40kg, kuh-seng 140kg, root of langdu 25kg, capsicum annum fasciculatum 25kg, tobacco leaf 25kg, azedarach 25kg and tuber of stemona 25kg.
2) it is standby with Universalpulverizer above-mentioned all bulk drugs to be ground into 30～40 order meal.
3) with step 2) powder put into extraction vessel, 95% the alcohol extract bulk drug active ingredient that adds 10 times of above-mentioned powder weight, feed water vapour again, make ethanol reach boiling point and be distilled recycling, so concentrate while extracting, continue 6 hours, medicinal ingredient is extracted as far as possible finish, and make the relative density of medicine liquid that is extracted reach 1.1～1.2.
4) concentrated medicament with step 3) places compounding kettle, adds commercially available farming breast 2201, makes its content in mixed solution reach 20%, fully stirs then, promptly obtains vegetable insecticide of the present invention, puts into head tank precipitation, can at last.
Embodiment 2
1) gets black false hellebore 70kg, thunder godvine 38kg, kuh-seng 145kg, root of langdu 22kg, capsicum annum fasciculatum 22kg, tobacco leaf 28kg, azedarach 22kg and tuber of stemona 25kg.
2) with Universalpulverizer that above-mentioned all pulverizing medicinal materials to 30～40 orders are standby.
3) with step 2) powder put into extraction vessel, 95% the alcohol extract bulk drug active ingredient that adds 10 times of above-mentioned powder weight, feed water vapour again, make ethanol reach boiling point and be distilled recycling, so concentrate while extracting, continue 8 hours, medicinal ingredient is extracted as far as possible finish, and make the relative density of medicine liquid that is extracted reach 1.1～1.2.
4) concentrated medicament with step 3) places compounding kettle, adds commercially available farming breast 2201, makes its content in mixed solution reach 15%, fully stirs then, promptly obtains vegetable insecticide of the present invention, puts into head tank precipitation, can then.
Embodiment 3
1) gets black false hellebore 65kg, thunder godvine 45kg, kuh-seng 135kg, root of langdu 30kg, capsicum annum fasciculatum 28kg, tobacco leaf 22kg, azedarach 25kg and tuber of stemona 25kg.
2) with Universalpulverizer that above-mentioned all pulverizing medicinal materials to 30～40 orders are standby.
3) with step 2) powder put into extraction vessel, 95% the alcohol extract bulk drug active ingredient that adds 10 times of above-mentioned powder weight, feed water vapour then, make ethanol reach boiling point and be distilled recycling, so concentrate while extracting, continue 7 hours, medicinal ingredient is extracted as far as possible finish, and make the relative density of medicine liquid that is extracted reach 1.1～1.2.
4) concentrated medicament with step 3) places compounding kettle, adds commercially available farming breast 2201, makes its content in mixed solution reach 25%, fully stirs then, promptly obtains vegetable insecticide of the present invention, puts into head tank precipitation, can then.
Claims (9)
1. a vegetative insecticide is characterized in that containing in the raw material following bulk drugs:
0.8～1.2 part of 2.6～2.8 parts of black false hellebores, 1.4～1.8 parts of thunder godvines, 5.2～6.0 parts of kuh-sengs, 0.8～1.2 part of the root of langdu, 0.8～1.2 part of capsicum annum fasciculatum, 0.8～1.2 part on tobacco leaf, 0.8～1.2 part of azedarach and the tuber of stemona.
2. the described vegetable insecticide of claim 1 is characterized in that containing in the described raw material following bulk drugs:
1 part of 2.72 parts of black false hellebores, 1.6 parts of thunder godvines, 5.6 parts of kuh-sengs, 1 part of the root of langdu, 1 part of capsicum annum fasciculatum, 1 part on tobacco leaf, 1 part of azedarach and the tuber of stemona.
3. claim 1 or 2 described arbitrary vegetable insecticides is characterized in that: the auxiliary agent that wherein also contains 15～25% percentage by weights.
4. the described vegetable insecticide of claim 3 is characterized in that: the auxiliary agent that wherein also contains 20% percentage by weight.
5. the described vegetable insecticide of claim 3 is characterized in that: described auxiliary agent is commercially available farming breast 2201.
6. the preparation method of claim 1 or 2 described arbitrary vegetable insecticides may further comprise the steps:
1) gets according to described weight portion and mix behind the bulk drug and to be ground into powder standby;
2) solvent that adds its 10 times of weights in step 1) gained mixed-powder is used to extract bulk drug active ingredient, feeds the steam distillation solvent then soup is concentrated, and so the concentrated medicament 6～8 hours while extracting makes and carries to such an extent that relative density of medicine liquid is 1.1～1.2;
3) in step 2) add auxiliary agent in the gained concentrated medicament and obtain mixed solution, make auxiliary agent content reach 15～25% of mixed solution weight, promptly obtain described vegetable insecticide after fully stirring.
7. the preparation method of the described vegetable insecticide of claim 6, it is characterized in that: the described pulverizing of step 1) is the meal that pulverizing medicinal materials was become 30～40 mesh sieves.
8. the preparation method of the described vegetable insecticide of claim 6 is characterized in that: step 2) described solvent is that concentration is 95% food grade ethanol.
9. the application of the described vegetable insecticide of claim 1 aspect control wheat, cotton, paddy rice, fruit and vegetables insect pest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101776984A CN101156607B (en) | 2007-11-20 | 2007-11-20 | A plant pesticide and its preparing method as well as application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101776984A CN101156607B (en) | 2007-11-20 | 2007-11-20 | A plant pesticide and its preparing method as well as application |
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| Publication Number | Publication Date |
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| CN101156607A true CN101156607A (en) | 2008-04-09 |
| CN101156607B CN101156607B (en) | 2010-11-24 |
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| CN2007101776984A Expired - Fee Related CN101156607B (en) | 2007-11-20 | 2007-11-20 | A plant pesticide and its preparing method as well as application |
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| CN1111478A (en) * | 1994-11-01 | 1995-11-15 | 吴日章 | Insectiside composed of Chinese herbal medicines and preparing method thereof |
| CN1109708A (en) * | 1994-12-28 | 1995-10-11 | 黄可荣 | Plant pesticide composition and preparing process thereof |
| CN1247096C (en) * | 2003-04-22 | 2006-03-29 | 李廷伦 | Botanical insecticide its preparation method |
| CN1466880A (en) * | 2003-05-20 | 2004-01-14 | 李子友 | Pesticide made from traditional Chinese medicine |
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