CN105638767A - Efficient plant pesticide and preparation method thereof - Google Patents
Efficient plant pesticide and preparation method thereof Download PDFInfo
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- CN105638767A CN105638767A CN201610034662.XA CN201610034662A CN105638767A CN 105638767 A CN105638767 A CN 105638767A CN 201610034662 A CN201610034662 A CN 201610034662A CN 105638767 A CN105638767 A CN 105638767A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/38—Solanaceae [Potato family], e.g. nightshade, tomato, tobacco or chilli pepper
- A01N65/385—Tobacco
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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
- 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
Abstract
The invention relates to an efficient plant pesticide and a preparation method thereof. The efficient plant pesticide is prepared from, by weight, 50-100 parts of Chinaberry seeds, 50-100 parts of pomegranate bark, 50-100 parts of glossy privet fruits, 40-80 parts of thunder god vine, 30-70 parts of pod peppers and 10-60 parts of tobacco leaves. The raw materials are extracted, concentrated and mixed with an additive to obtain the plant pesticide. The pesticide has the advantages of being simple in production technology, wide in material source, capable of using local materials, low in cost, capable of saving the cost and safe for human, livestock and crops; the plant pesticide is easy to decompose when sprayed on the crops, avoids residual toxicity, reduces environmental protection and has the unique insecticidal effect on brevicoryne brassicae and cabbage caterpillar particularly. In addition, the plant pesticide has the effect of stimulating crop growth, is beneficial to growth and development of crops and increases yield.
Description
Technical field
The invention belongs to technical field of pesticide, particularly to a kind of high efficacy pesticide for plant and preparation method thereof.
Background technology
Use botanical pesticide prevention and elimination of disease and pests, in China's history of existing 1500, just had in Compendium of Material Medica with the record of medical herbs parasite killing. Study according to investigations, have 200 various plants can be processed into natural plant medicament, be used for preventing and treating agricultural fruit trees and vegetables pest and disease damage. How the world today alleviates chemical pesticide is polluted, it is ensured that food safety, produces Organic food, pollution-free green food, increasingly gets more and more people's extensive concerning. It can be said that appliable plant pesticide, in ecological protection, there is special not replaceable advantage.
The domestic plant pesticide developed is mainly with matrine preparation for many at present. Other also has chinaberry element, nicotine, Wormseed element, jervine, Celastrus angulatus, rotenone etc. The production that these botanical pesticides are crops non-polluted cultivation and green food plays a good role. But for various reasons, the existing plant pesticide kind of China is dull, and the active compound declared is in the majority with matrine. Other kind mostly belongs to the new monoids such as alkaloids, terpenes, lactone and relates to less. This situation is likely to cause certain resource, and supply falls short of demand, causes starving, affects the production development of these botanical pesticides.
In the prior art, application number " 200710177698.4 " patent disclosure one vegetative insecticide, crude drug containing following weight portion in this vegetable insecticide: Rhizoma et radix veratri (Radix Rhizoma Veratri) 2.6��2.8 parts, Radix Tripterygii Wilfordii 1.4��1.8 parts, Radix Sophorae Flavescentis 5.2��6.0 parts, the Radix Euphorbiae Fischerianae (Radix Euphorbiae Ebracteolatae) 0.8��1.2 part, capsicum annum fasciculatum 0.8��1.2 part, 0.8��1.2 part of Nicotiana tabacum L., Cortex Meliae 0.8��1.2 part and the Radix Stemonae 0.8��1.2 part. It is reported there is good insecticidal effect and environmentally friendly, plant noresidue, insect is not likely to produce Drug resistance. So owing to Chinese crude drug kind used in this vegetable insecticide is more, it is difficult to draw materials and relatively costly, such as Cortex Meliae medical material etc., it is unfavorable for large-scale production. In order to solve this actual techniques problem, the present invention intends adjusting from prescription, through experiment sieving repeatedly and demonstration, eventually through the technical scheme belonging to the present invention, solves this problem preferably.
Summary of the invention
It is an object of the invention to provide a kind of high efficacy pesticide for plant and preparation method thereof. Adopting frequently seen plants raw material to can be prepared by insecticide, have production technology simple, material source is extensive, it is possible to gather materials on the spot, with low cost, saves expense, and people, animal, crop are used the advantages such as safety; It is sprayed on crop easily to decompose, it is to avoid retain residual hazard, reduces environmental pollution, especially brevicoryne brassicae and Pieris rapae are had the insecticidal effect of uniqueness. Additionally, this vegetable insecticide, there is the effect stimulating plant growth, be conducive to crop growth, increase yield.
The purpose of the present invention is achieved through the following technical solutions:
A kind of high efficacy pesticide for plant of the present invention, is made up of the crude drug of following mass fraction in described vegetable insecticide: Fructus Toosendan 50��100 parts, Radix Tripterygii Wilfordii 40��80 parts, capsicum annum fasciculatum 30��70 parts, 10��60 parts of Nicotiana tabacum L..
A kind of high efficacy pesticide for plant, described vegetable insecticide is made up of the crude drug of following mass fraction: Fructus Toosendan 50��100 parts, Radix Tripterygii Wilfordii 40��80 parts, capsicum annum fasciculatum 30��70 parts, 10��60 parts of Nicotiana tabacum L., can also add: Pericarpium Granati 50��100 parts, Fructus Ligustri Lucidi 50��100 parts simultaneously.
Preferably, by the crude drug of following mass fraction in described vegetable insecticide: Fructus Toosendan 100 parts, Pericarpium Granati 80 parts, Fructus Ligustri Lucidi 90 parts, Radix Tripterygii Wilfordii 80 parts, capsicum annum fasciculatum 40 parts, 60 parts of Nicotiana tabacum L..
Described insecticide is possibly together with the auxiliary agent of 15��25% percentage by weights, and auxiliary agent can be emulsifying agent, dispersant, synergist, stabilizer. Preferably, auxiliary agent is emulsifying agent; It is preferred that, emulsifying agent is agriculture breast 2201.
A kind of method for preparing above-mentioned high efficacy pesticide for plant, comprises the steps:
(1) take crude drug according to described weight portion to mix and to be ground into powder standby;
(2) in step (1) gained mixed-powder, add the organic solvent of its 16 times of weights for lixiviate crude drug effective ingredient 3 hours, extracting 1��2 hour by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(3) in step (2) gained concentrated medicament, add auxiliary agent obtain mixed solution, make auxiliary agent content reach the 15��20% of mixed solution weight, after being sufficiently stirred for and get final product, described vegetable insecticide.
Preferably, in the preparation method of described high efficacy pesticide for plant, step (2) middle organic solvent is the ethanol water of 80%��95%.
High efficacy pesticide for plant of the present invention is with natural plants for raw material, can be used for preventing and treating the pest and disease damage of Semen Tritici aestivi, Cotton Gossypii, Oryza sativa L., fruit and vegetables, concrete pest control includes: brevicoryne brassicae, cotten aphid, bollworm, heart-eating worm, red spider, mythimna separata, Pieris rapae, the profit pest and disease damage such as wood louse, tetranychid.
Preferably, described vegetable insecticide is by following crude drug: time prepared by Fructus Toosendan 100 parts, Pericarpium Granati 80 parts, Fructus Ligustri Lucidi 90 parts, Radix Tripterygii Wilfordii 80 parts, capsicum annum fasciculatum 40 parts, 60 parts of Nicotiana tabacum L. and 15��20% percentage by weight auxiliary agents, and brevicoryne brassicae and Pieris rapae have especially significant insecticidal effect.
The source of the raw materials used medicine of the present invention, effect is as follows:
A. Fructus Toosendan, for the dry mature fruit of Meliaceae plant chinaberry (MeliaazedarachL.). Former department of botany deciduous tree, wild, cultivation all has, for conventional ornamental plant. It is distributed mainly on the Fujian of China, Jiangxi, Shanxi, Gansu, Shandong; Anhui, Jiangsu, Zhejiang, Hunan, Guangdong, Hainan, Guangxi, Yunnan, the area such as India, Japan, Taiwan and Australia.Autumn, season in winter two fruit maturation gather when being yellow, or collect the fruit fallen, fruit, containing chemical compositions such as triterpenoid compound, Fructus Toosendan ketone, melianols, has the effect such as promoting the circulation of QI to relieve pain, parasite killing.
B. Pericarpium Granati, for the dry peel of Punicaceae plant Punica granatum L. (PunicagranatumL.). Former plant is common fruit tree, and there is cultivation in China north and south, more with the ground such as Jiangsu, Henan. Autumn collects peel after fruit maturation. Containing 2-acetonylpiperidine, cestode having very strong killing power in Pericarpium Granati, this medical material has relieving diarrhea with astringents, hemostasis, effect of anthelmintic.
C. Fructus Ligustri Lucidi, another name Fructus Ligustri Lucidi reality, Fructus Ilicis Purpureae, wax tree, Mus Chinese catalpa, for Oleaceae plants Fructus Ligustri Lucidi (LigustrumlucidumAit.) or its dry mature fruit. Parts of generic medicinal plants, has liver and kidney tonifying, improving eyesight, effect of clearind deficient heat. Base plant Fructus Ligustri Lucidi is also apply more indigenous tree in afforestation.
D. Radix Tripterygii Wilfordii, cry again Caulis Fibraureae, beeswax rattan, cabbageworm medicine, red medicine, water Folium illicii Lanceolati, for the root of Celastraceae tripterygium plant Radix Tripterygii Wilfordii (TripterygiumwilfordiiHook.f.), liana shrub, main product in Fujian, Zhejiang, Anhui, the ground such as Henan. Summer, autumn gather. Containing wilfordine, wilforine, wilfordine the second grade alkaloids composition, there is strong toxicity. This medical instrument has expelling wind and removing dampness, removing obstruction in the collateral to relieve pain, reducing swelling and alleviating pain, removing toxic substances parasite killing.
E. capsicum annum fasciculatum (CapsicumannuumL.var.conoides (Mill.) Irish), Fructus Capsici mutation, belong to the perennial half woody cotton plant of Solanaceae Capsicum, often do annual cultivation. Being typically in mid or late August starts ripe successively, should adopt in time and cut, dry in the sun. Energy expelling wind and cold, relaxing muscles and tendons and activating QI and blood in the collateral also has parasite killing, itching-relieving efficacies.
F. Nicotiana tabacum L., the herb of Solanaceae Nicotiana plant Nicotiana tabacum L. (NicotianatabacumL.). Autumn gathers, and dries in the shade. There is subduing swelling and detoxicating, effect of parasite killing.
The preferred application process of vegetable insecticide of the present invention: different with pest species according to the concentration of insecticide of the present invention, with water, the insecticide prepared is diluted 500��1200 times, then also need to determine according to plant size the application dosage of unit are, be generally every mu and use 20��40kg vegetable insecticide of the present invention. Opportunity of using selects flexibly according to the different difference of crop species and pests occurence rule.
The present invention can making full use of plant resources. Chinaberry and Fructus Ligustri Lucidi all have distribution, many cities to it can be used as sidewalk planting in China's most area, and every autumn, fruit dropped road surface, and sanitationman it can be used as rubbish directly to outwell more, it is impossible to utilize very well, causes the wasting of resources. Punica granatum L. is common fruit tree; along with agrotechnical development; many ground, the whole nation (as: Lintong, Huaiyuan, Anhui, Shangqiu, Henan, Kaifeng, Yingyang, Fengqiu, Meng County etc.) there are implantation in large scale and processing base; Pericarpium Granati is treated as rubbish and outwells, and corruption causes severe contamination environment. Above-mentioned three kinds of crude drug, as Chinese crude drug, consumption is considerably less, but it can be used as the raw material of vegetable insecticide, not only will not environmental pollution, moreover it is possible to turn waste into wealth, will produce the efficient vegetable insecticide of environmental protection. By calculating, with application number be " 200710177698.4 " patent Example 1 record insecticide compared with, raw material and preparation method according to embodiment 6 disclosed by the invention, it is possible to reduce the cost up to 60%, it is seen that the economic benefit of the present invention and social benefit highly significant.
Beneficial effects of the present invention:
(1) producing insecticide in natural plants, production technology is simple, and raw material is simple and easy to get, with low cost, and people, animal, crop are used safety.
By to SD mice, the acute oral of White Rabbit, percutaneous toxicity test, eye irritation test and acute skin irritation test, it was demonstrated that insecticide of the present invention is to people and animals' low toxicity, nonirritant.
(2) described insecticide is a kind of high efficacy pesticide for plant, has the effect of broad spectrum disinfestation, and result of the test shows that the insecticidal effect of vegetable insecticide of the present invention is up to more than 90%. Especially brevicoryne brassicae and Pieris rapae are had the insecticidal effect of highly significant, it is possible to reach 100%.
(3) it is sprayed on crop and easily decomposes, it is to avoid retain residual hazard, reduce environmental pollution, especially fruit and vegerable class food plant can relieved be used.
(4) this vegetable insecticide, has the effect promoting plant growth, is conducive to crop growth, increases yield.
Detailed description of the invention
Below by example, the present invention being described in further details, these examples are only used for the present invention is described, do not limit the scope of the invention.
Embodiment 1
(1) take Fructus Toosendan 100kg, Radix Tripterygii Wilfordii 80kg, capsicum annum fasciculatum 30kg, Nicotiana tabacum L. 10kg.
(2) with Universalpulverizer, above-mentioned all crude drug are ground into 30��40 order coarse powder standby.
(3) in step (2) gained mixed-powder, add the 95% alcoholic solution lixiviate crude drug effective ingredient 3 hours of its 16 times of weights, extracting 1 hour by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(4) be placed in compounding kettle in step (3) gained concentrated medicament, add commercially available agriculture breast 2201, make auxiliary agent content reach the 15% of mixed solution weight, after being sufficiently stirred for, namely obtain described vegetable insecticide, be finally putting in head tank precipitate, fill.
Embodiment 2
(1) take Fructus Toosendan 50kg, Radix Tripterygii Wilfordii 40kg, capsicum annum fasciculatum 70kg, Nicotiana tabacum L. 60kg.
(2) with Universalpulverizer, above-mentioned all crude drug are ground into 30��40 order coarse powder standby.
(3) in step (2) gained mixed-powder, add the 95% alcoholic solution lixiviate crude drug effective ingredient 3 hours of its 16 times of weights, extracting 2 hours by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(4) be placed in compounding kettle in step (3) gained concentrated medicament, add commercially available agriculture breast 2201, make auxiliary agent content reach the 15% of mixed solution weight, after being sufficiently stirred for, namely obtain described vegetable insecticide, be finally putting in head tank precipitate, fill.
Embodiment 3
(1) take Fructus Toosendan 100kg, Radix Tripterygii Wilfordii 80kg, capsicum annum fasciculatum 40kg, Nicotiana tabacum L. 60kg.
(2) with Universalpulverizer, above-mentioned all crude drug are ground into 30��40 order coarse powder standby.
(3) in step (2) gained mixed-powder, add the 95% alcoholic solution lixiviate crude drug effective ingredient 3 hours of its 16 times of weights, extracting 2 hours by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(4) be placed in compounding kettle in step (3) gained concentrated medicament, add commercially available agriculture breast 2201, make auxiliary agent content reach the 15% of mixed solution weight, after being sufficiently stirred for, namely obtain described vegetable insecticide, be finally putting in head tank precipitate, fill.
Embodiment 4
(1) take Fructus Toosendan 100kg, Radix Tripterygii Wilfordii 80kg, capsicum annum fasciculatum 40kg, Nicotiana tabacum L. 60kg.
(2) with Universalpulverizer, above-mentioned all crude drug are ground into 30��40 order coarse powder standby.
(3) in step (2) gained mixed-powder, add the 95% alcoholic solution lixiviate crude drug effective ingredient 3 hours of its 16 times of weights, extracting 2 hours by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(4) be placed in compounding kettle in step (3) gained concentrated medicament, add commercially available agriculture breast 2201, make auxiliary agent content reach the 15% of mixed solution weight, after being sufficiently stirred for, namely obtain described vegetable insecticide, be finally putting in head tank precipitate, fill.
Embodiment 5
(1) take Fructus Toosendan 100kg, Pericarpium Granati 100kg, Fructus Ligustri Lucidi 100kg, Radix Tripterygii Wilfordii 50kg, capsicum annum fasciculatum 40kg, Nicotiana tabacum L. 60kg.
(2) with Universalpulverizer, above-mentioned all crude drug are ground into 30��40 order coarse powder standby.
(3) in step (2) gained mixed-powder, add the 95% alcoholic solution lixiviate crude drug effective ingredient 3 hours of its 16 times of weights, extracting 2 hours by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(4) be placed in compounding kettle in step (3) gained concentrated medicament, add commercially available agriculture breast 2201, make auxiliary agent content reach the 20% of mixed solution weight, after being sufficiently stirred for, namely obtain described vegetable insecticide, be finally putting in head tank precipitate, fill.
Embodiment 6
(1) take Fructus Toosendan 100kg, Pericarpium Granati 80kg, Fructus Ligustri Lucidi 90kg, Radix Tripterygii Wilfordii 80kg, capsicum annum fasciculatum 40kg, Nicotiana tabacum L. 60kg.
(2) with Universalpulverizer, above-mentioned all crude drug are ground into 30��40 order coarse powder standby.
(3) in step (2) gained mixed-powder, add the 95% alcoholic solution lixiviate crude drug effective ingredient 3 hours of its 16 times of weights, extracting 2 hours by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(4) be placed in compounding kettle in step (3) gained concentrated medicament, add commercially available agriculture breast 2201, make auxiliary agent content reach the 20% of mixed solution weight, after being sufficiently stirred for, namely obtain described vegetable insecticide, be finally putting in head tank precipitate, fill.
Embodiment 7
(1) take Fructus Toosendan 50kg, Pericarpium Granati 50kg, Fructus Ligustri Lucidi 50kg, Radix Tripterygii Wilfordii 80kg, capsicum annum fasciculatum 70kg, Nicotiana tabacum L. 60kg.
(2) with Universalpulverizer, above-mentioned all crude drug are ground into 30��40 order coarse powder standby.
(3) in step (2) gained mixed-powder, add the 95% alcoholic solution lixiviate crude drug effective ingredient 3 hours of its 16 times of weights, extracting 2 hours by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(4) be placed in compounding kettle in step (3) gained concentrated medicament, add commercially available agriculture breast 2201, make auxiliary agent content reach the 20% of mixed solution weight, after being sufficiently stirred for, namely obtain described vegetable insecticide, be finally putting in head tank precipitate, fill.
In order to confirm the significant insecticidal effect of the present invention, we have done the experiment of following groups representativeness, and are verified.
Experimental example 1 vegetable aphid preventive effect is tested
(1) experimental subject: vegetable aphid (brevicoryne brassicae)
(2) experimental technique:
Experiment place: mound, Rou Gu town, Fufeng County, Baoji, Shaanxi province city East Village facility farmland.
Experiment packet: randomly choose 21 communities in field, every plot area 0.03 mu, these 21 communities are randomly divided into 3 groups, often organize insecticide 800 times (A1) of dilution using the embodiment of the present invention 3 preparation respectively, 1000 times (A2), insecticide 800 times (B1) of dilution of embodiment 6 preparation, 1000 times (B2), insecticide 600 times (C1) of dilution that in patent application 200710177698.4, embodiment 1 is recorded, 2.5% decis 1000 times (D1) and each 3 times of clear water (E), medicinal liquid is uniformly sprayed onto plant parts with the consumption of every mu of 30kg medicinal liquid by spray method hand and foot routinely.
Fixed point investigation 6 strains of every community, investigate and record borer population alive after first 1 day of dispenser and dispenser for 24 hours, the 3rd day and the 5th day respectively, calculate the average preventive effect of 3 dispensers.
(3) experimental result
The effect of table 1. Pests with Botanical Pesticides brevicoryne brassicae of the present invention
Brevicoryne brassicae is the insect that a kind of Drug resistance is strong, difficulty of prevention and cure is big. As can be seen from Table 1, vegetable insecticide prepared by the embodiment of the present invention 3 and embodiment 6, the insecticidal effect highly significant to brevicoryne brassicae, it is possible to quickly kill, especially the vegetable insecticide prepared by embodiment 6 is after dilution 800��1000 times sprays, and insecticidal effect is up to 100%. Effect is all significantly better than the chrysanthemum ester insecticide such as vegetable insecticide and decis disclosed in patent application 200710177698.4, and killing property of speed is good, residual effect is short, is suitably applied vegetable.
Experimental example 2 Pieris rapae preventive effect is tested
(1) experimental subject: Pieris rapae
(2) experimental technique:
Experiment place: mound, Rou Gu town, Fufeng County, Baoji, Shaanxi province city East Village facility farmland.
Experiment packet: randomly choose 21 communities in field, every plot area 0.03 mu, these 21 communities are randomly divided into 3 groups, often organize insecticide 800 times (A1) of dilution using the embodiment of the present invention 3 preparation respectively, 1000 times (A2), insecticide 800 times (B1) of dilution of embodiment 6 preparation, 1000 times (B2), insecticide 600 times (C1) of dilution that in patent application 200710177698.4, embodiment 1 is recorded, 2.5% decis 1000 times (D1) and each 3 times of clear water (E), medicinal liquid is uniformly sprayed onto plant parts with the consumption of every mu of 30kg medicinal liquid by spray method hand and foot routinely.
Fixed point investigation 20 strains of every community, investigate and record borer population alive after first 1 day of dispenser and dispenser for 24 hours, the 3rd day and the 5th day respectively, calculate the average preventive effect of 3 dispensers.
(3) experimental result
The effect of table 2. Pests with Botanical Pesticides Pieris rapae of the present invention
As can be seen from Table 2, after plant insecticide dilution agent of the present invention 800��1000 times, dispenser can highly significant kill Pieris rapae, especially according to the vegetable insecticide of embodiment 6 preparation, Pieris rapae can be thoroughly killed after diluting 800��1000 times of dispensers, effect is substantially better than the chrysanthemum ester insecticide such as vegetable insecticide and decis disclosed in patent application 200710177698.4, has efficiently, distinguishing feature thoroughly.
Vegetable safety is tested by experimental example 3 vegetable insecticide
(1) experiment material: Chinese cabbage, according to vegetable insecticide prepared by embodiment 1 and embodiment 3
(2) experimental technique: randomly choose 15 communities, every plot area 0.03 mu in field, these 15 communities are randomly divided into 3 groups, often organize and select 30 strains to carry out plant height statistics at random. Insecticide dilution 800 times of (A1), 1000 times (A2) that will prepare according to embodiment 3, formulated according to insecticide dilution 800 times (B1), 1000 times (B2) of embodiment 6 preparation, each dosage sprays Chinese cabbage by 30kg/ mu, comparison clear water (C1) processes, laxative is spray 3 times one day on the 18th August in 2014 period, be divided into is 8 a.m. for the first time, second time is point in the morning 10, third time is 2 pm, within 8th, observe to JIUYUE in 2014, measure and add up plant height and Biomass result.
(3) experimental result
The impact on Chinese cabbage height of table 3. vegetable insecticide of the present invention
As can be seen from Table 3, according to the high efficacy pesticide for plant prepared by the embodiment of the present invention 3 and embodiment 6, not only do not suppress the growth of Chinese cabbage, promote that it grows on the contrary, especially the vegetable insecticide prepared by embodiment 3, dispenser 20 days after dilution 800 times, plant strain growth rate is nearly 2 times of matched group, and biomass accumulation also dramatically increases.As can be seen here, vegetable insecticide is very safe to Chinese cabbage, Chinese cabbage growth is remarkably promoted effect, thus increasing yield.
Although, above with a general description of the specific embodiments the present invention has been done detailed description, but on basis of the present invention, it is possible to it is made some modifications or improvements, and this will be apparent to those skilled in the art. Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (10)
1. a high efficacy pesticide for plant, it is characterised in that described vegetable insecticide is made up of the crude drug of following mass fraction: Fructus Toosendan 50��100 parts, Radix Tripterygii Wilfordii 40��80 parts, capsicum annum fasciculatum 30��70 parts, 10��60 parts of Nicotiana tabacum L..
2. vegetable insecticide according to claim 1, it is characterised in that described vegetable insecticide can also add the crude drug of following mass fraction: Pericarpium Granati 50��100 parts, Fructus Ligustri Lucidi 50��100 parts.
3. vegetable insecticide according to claim 2, it is characterised in that described vegetable insecticide is made up of the crude drug of following mass fraction: Fructus Toosendan 100 parts, Pericarpium Granati 80 parts, Fructus Ligustri Lucidi 90 parts, Radix Tripterygii Wilfordii 80 parts, capsicum annum fasciculatum 40 parts, 60 parts of Nicotiana tabacum L..
4. according to the arbitrary described vegetable insecticide of claim 1-3, it is characterised in that described vegetable insecticide also includes the auxiliary agent of 15��20% percentage by weights.
5. vegetable insecticide according to claim 4, it is characterised in that described auxiliary agent can be emulsifying agent, dispersant, synergist, stabilizer.
6. vegetable insecticide according to claim 5, it is characterised in that described auxiliary agent is emulsifying agent.
7. vegetable insecticide according to claim 6, it is characterised in that described emulsifying agent is commercially available agriculture breast 2201.
8. the preparation method of vegetable insecticide according to claim 4, comprises the following steps:
(1) take crude drug according to described weight portion, mix and be ground into powder, standby;
(2) take step (1) mixed-powder again, add the organic solvent of its 16 times of weights for lixiviate crude drug effective ingredient 3 hours, extracting 1��2 hour by ultrasonic Treatment, then pass to steam distillation solvent and make concentration of liquid medicine, concentration of liquid medicine is 1.1��1.2 to raising relative density of medicine liquid;
(3) in step (2) gained concentrated medicament, add auxiliary agent obtain mixed solution, make auxiliary agent content reach the 15��20% of mixed solution weight, after being sufficiently stirred for, to obtain final product.
9. the preparation method of vegetable insecticide according to claim 8, it is characterised in that described step (2) middle organic solvent is the ethanol water of 80%��95%.
10. vegetable insecticide according to claim 4, it is characterised in that described vegetable insecticide for brevicoryne brassicae, cotten aphid, bollworm, heart-eating worm, red spider, mythimna separata, Pieris rapae, profit wood louse, tetranychid aspect preventing and treating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610034662.XA CN105638767B (en) | 2016-01-19 | 2016-01-19 | A kind of high efficacy pesticide for plant and preparation method thereof |
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| CN201610034662.XA CN105638767B (en) | 2016-01-19 | 2016-01-19 | A kind of high efficacy pesticide for plant and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105638767A true CN105638767A (en) | 2016-06-08 |
| CN105638767B CN105638767B (en) | 2018-04-17 |
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| CN105941070A (en) * | 2016-06-29 | 2016-09-21 | 安徽省固镇县谷阳有机蔬菜专业合作社 | Pomegranate tree cultivation method |
| CN107410380A (en) * | 2017-09-18 | 2017-12-01 | 何玉莲 | A kind of ornamental plant flowers High-efficiency insecticidal pesticide reagent and preparation method thereof |
| CN107827633A (en) * | 2017-12-14 | 2018-03-23 | 柳州市汉象教育咨询有限责任公司 | A kind of organic fertilizer of water resistant rice seedlings seedling blight and preparation method thereof |
| CN108703160A (en) * | 2018-07-11 | 2018-10-26 | 合肥雪立歆农业科技有限公司 | The preparation method of one vegetative insecticide |
| CN108934821A (en) * | 2018-06-28 | 2018-12-07 | 遵义天旺华胜种植有限公司 | The insect-pest cultural method of capsicum |
| CN109197910A (en) * | 2018-08-31 | 2019-01-15 | 深圳市必发达科技有限公司 | A kind of agricultural insecticide and its application method |
| CN109717210A (en) * | 2017-10-27 | 2019-05-07 | 丹阳市景林园园艺有限公司 | A kind of environment protecting plant insecticide |
| CN110663711A (en) * | 2019-10-25 | 2020-01-10 | 苏银华 | Plant insecticide and production method thereof |
| CN110800730A (en) * | 2019-10-16 | 2020-02-18 | 吉林石油集团有限责任公司 | Vertical rod type camera device, spider netting prevention device, medicament and preparation method |
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| CN105941070A (en) * | 2016-06-29 | 2016-09-21 | 安徽省固镇县谷阳有机蔬菜专业合作社 | Pomegranate tree cultivation method |
| CN107410380A (en) * | 2017-09-18 | 2017-12-01 | 何玉莲 | A kind of ornamental plant flowers High-efficiency insecticidal pesticide reagent and preparation method thereof |
| CN109717210A (en) * | 2017-10-27 | 2019-05-07 | 丹阳市景林园园艺有限公司 | A kind of environment protecting plant insecticide |
| CN107827633A (en) * | 2017-12-14 | 2018-03-23 | 柳州市汉象教育咨询有限责任公司 | A kind of organic fertilizer of water resistant rice seedlings seedling blight and preparation method thereof |
| CN108934821A (en) * | 2018-06-28 | 2018-12-07 | 遵义天旺华胜种植有限公司 | The insect-pest cultural method of capsicum |
| CN108703160A (en) * | 2018-07-11 | 2018-10-26 | 合肥雪立歆农业科技有限公司 | The preparation method of one vegetative insecticide |
| CN109197910A (en) * | 2018-08-31 | 2019-01-15 | 深圳市必发达科技有限公司 | A kind of agricultural insecticide and its application method |
| CN110800730A (en) * | 2019-10-16 | 2020-02-18 | 吉林石油集团有限责任公司 | Vertical rod type camera device, spider netting prevention device, medicament and preparation method |
| CN110800730B (en) * | 2019-10-16 | 2021-11-19 | 吉林石油集团有限责任公司 | Vertical rod type camera device, spider netting prevention device, medicament and preparation method |
| CN110663711A (en) * | 2019-10-25 | 2020-01-10 | 苏银华 | Plant insecticide and production method thereof |
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