CN106386900A - Pesticidal insecticide containing vetiver grass, preparation method and application thereof - Google Patents
Pesticidal insecticide containing vetiver grass, preparation method and application thereof Download PDFInfo
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- CN106386900A CN106386900A CN201610775360.8A CN201610775360A CN106386900A CN 106386900 A CN106386900 A CN 106386900A CN 201610775360 A CN201610775360 A CN 201610775360A CN 106386900 A CN106386900 A CN 106386900A
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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
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
-
- 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 belongs to the technical field of botanical pesticides and particularly relates to a pesticidal insecticide containing vetiver grass, and a preparation method and application of the pesticidal insecticide. The pesticidal insecticide is prepared from the following materials in parts by weight: 12 to 20 parts of vetiver grass herba extract, 5 to 10 parts of pyrethrum cinerariifolium, 3 to 5 parts of tuberostemonine, 60 to 100 parts of alcohol solution, 15 to 35 parts of glycerinum and 80 to 120 parts of water. The pesticidal insecticide has the advantages that the source of plant materials is wide, the toxic and side effects to a human body are less, insects cannot easily generate resistance to the insecticide, the cost is low, the environmental-friendly effect is achieved, the extraction of effective components in all plant materials is complete, the formula is reasonable and the preventing and controlling effects on insect damage are obvious.
Description
Technical field
The invention belongs to technical field of pesticide and in particular to a kind of agricultural chemical insecticide containing vetiver and preparation method thereof and
Application.
Background technology
In recent years, occur in that the long maggot of cherry（Drosophila larvae）Report, cause the fear of consumer, have a strong impact on consumer
The confidence bought and desire, cause great loss to cherry industry.Fruit bat not only endangers cherry, also harm peach, European Lee,
The fruit and vegetables such as grape, strawberry, raspberry, blueberry, persimmon, tomato.Female Drosophila oopod is hard zigzag, can be straight by ovum
Practice midwifery in the softer fruits of pericarp such as ripe or will be ripe cherry, peach, larva takes food in fruit, causes sternly to orchard
Lose again.The especially impact to late variety and high mountain red bayberry for the waxberry drosophila is even more serious, directly contributes 20%～30% economical
Loss, even more many, become one of red bayberry industry development important restriction factor.
For a long time, in order to ensure agricultural output and quality in agricultural production, in a large number using chemical insecticide.Chemistry
Insecticide not only brings immense pressure to ecological environment, and causes some insects to develop immunity to drugs rapidly, increases further
Insecticide consumption, thus causing Practice for Pesticide Residue in Agricultural Products amount severe overweight, causes significant damage to people and animals, environment.Therefore, open
Send out the favor that environmental friendliness, the botanical pesticide to human security are increasingly subject to various countries.Chinese patent CN101933526B is open
A kind of method extracting preventing and treating plant pathogenic fungi active material from vetiver, belongs to technical field of pesticide.Method includes
：（1）Pretreatment of raw material；（2）The preparation of alcohol CE；（3）The preparation of petroleum ether extract；（4）Acetic acid ethyl ester extract
The step such as preparation.The present invention is using vetiver plant as botanical fungicide resource it is proposed that therefrom preparing the side of extract
Method, and clearly this extract has obvious inhibitory action and certain prevention effect to 6 kinds of plant pathogenic fungis.China is specially
Sharp CN104222179A discloses a kind of plant insecticide, and the active ingredient of this plant insecticide is by counting by weight
Following raw material composition：30～70 parts of tea seed cake, 10～30 parts of margosa, 10～30 parts of frutus cnidii, 20～40 parts of the tuber of stemona and
20～40 parts of capsicum.But, above-mentioned patent vetiver active ingredient is low, and fruit rope prevention effect is poor.
Content of the invention
For overcoming drawbacks described above, it is an object of the invention to provide a kind of agricultural chemical insecticide containing vetiver and its preparation side
Method and application.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：12-20 part,
Chrysanthemum cinesariaefolium extract：5-10 part, tuberostemonine：3-5 part, ethanol solution：60-100 part, glycerine：15-35 part and water：
80-120 part.
Preferably, volume fraction >=75% of described ethanol solution.
Preferably, the described agricultural chemical insecticide containing vetiver also includes Folium Artemisiae Argyi extract：3-8 part.
Preferably, the preparation method of described Folium Artemisiae Argyi extract comprises the following steps：
Tarragon is placed on immersion 1-3 h in water, adds the cellulase of the 0.2%-0.5% of tarragon weight, adjusting pH is
Digest 1-3h under the conditions of 4.0-5.0,45-55 DEG C, filter, reduced pressure concentration, be dried, obtain final product Folium Artemisiae Argyi extract.
Preferably, the preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.5-1.0cm, the ethanol being subsequently adding vetiver weight 8-13 times is molten
1-2h is soaked in liquid, then ultrasonic wave extraction 2-3 time under the conditions of 30-55 DEG C, each 20-35min, merge extract, filtration, subtract
Pressure concentrates, and is dried, obtains final product vetiver extract.
Preferably, volume fraction >=75% of described ethanol solution.
Preferably, the preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.5-1.0cm, be subsequently adding 5-10 times of weight
Volume fraction is 40-60% alcohol solution dipping 2-5h, then ultrasonic extraction 2-3 time, each 15- under the conditions of 40-60 DEG C
40min, filters, reduced pressure concentration, is dried, obtains chrysanthemum cinesariaefolium extract.
Preferably, described ultrasonic extraction frequency 15-25kHz, power 300-500W.
A kind of preparation method of the agricultural chemical insecticide containing vetiver, comprises the following steps：
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by chrysanthemum cinesariaefolium
Extract and tuberostemonine mix, and are eventually adding water and dilute, obtain final product.
A kind of above-mentioned agricultural chemical insecticide containing vetiver is restricted the application in terms of insect preventing fruit.
The positive beneficial effect of the present invention：
1. the present invention contains the agricultural chemical insecticide of vetiver with vetiver extract as principle active component, and auxiliary is to spend deinsectization in vain
Chrysanthemum extract and tuberostemonine, chrysanthemum cinesariaefolium extract and tuberostemonine to insect tag and stomach kills and becomes apparent from, plus
Toxicity to insect again, glycerine moisturizing is good, and moisture dissipates various raw materials, adds tarragon further, tarragon is to polypide stomach and intestine in formula
Road is inhibited, increased the drug effect of agricultural chemical insecticide, and the agricultural insecticide agent prescription that the present invention contains vetiver is reasonable.
2. the agricultural chemical insecticide preparation method containing vetiver for the present invention is simple, and various dissolution of raw material are complete, liquid uniform
Cause brown color, be no layered, be conducive to drug effect to play.
3. plant material wide material sources of the present invention, little to human body toxic and side effect, and insect is not likely to produce the resistance to the action of a drug, low cost
Honest and clean, environmental friendliness, and also various plant material extracts active ingredients are completely, to pest control effect is significants such as fruit ropes.
Specific embodiment
With reference to some specific embodiments, the present invention is further described.
Embodiment 1
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：12 parts, in vain
Flower pyrethrum extract：5 parts, tuberostemonine：3 parts, 75% ethanol solution：60 parts, glycerine：15 parts and water：80 parts.
The preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 1.0cm, be subsequently adding the 75% of 10 times of vetiver weight ethanol molten
1h is soaked in liquid, then ultrasonic wave extraction 2 times under the conditions of 55 DEG C, each 30min, merge extract, filter, reduced pressure concentration, do
Dry, obtain final product vetiver extract.
The preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.5cm, be subsequently adding 50% ethanol of 5 times of weight
Solution soaks 2h, then ultrasonic wave extraction 3 times under the conditions of 60 DEG C, and each 15min merges extract, filters, reduced pressure concentration, does
Dry, obtain chrysanthemum cinesariaefolium extract.
Described ultrasonic extraction frequency 20kHz, power 400W.
The preparation method of the above-mentioned agricultural chemical insecticide containing vetiver, comprises the following steps：
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by chrysanthemum cinesariaefolium
Extract and tuberostemonine mix, and are eventually adding water and dilute, obtain final product.
Embodiment 2
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：13.5 part,
Chrysanthemum cinesariaefolium extract：6 parts, tuberostemonine：3.2 parts, straight alcohol：70 parts, glycerine：18 parts and water：90 parts.
The preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.6m, be subsequently adding the 80% of 8 times of vetiver weight ethanol solution
Middle immersion 1h, then ultrasonic wave extraction 3 times under the conditions of 45 DEG C, each 25min, merge extract, filter, reduced pressure concentration, be dried,
Obtain final product vetiver extract.
The preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.8cm, be subsequently adding 60% ethanol of 6 times of weight
Solution soaks 3h, then ultrasonic wave extraction 2 times under the conditions of 55 DEG C, and each 20min merges extract, filters, reduced pressure concentration, does
Dry, obtain chrysanthemum cinesariaefolium extract.
Described ultrasonic extraction frequency 15kHz, power 500W.
The preparation method of the above-mentioned agricultural chemical insecticide containing vetiver, comprises the following steps：
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by chrysanthemum cinesariaefolium
Extract and tuberostemonine mix, and are eventually adding water and dilute, obtain final product.
Embodiment 3
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：14 parts, in vain
Flower pyrethrum extract：7 parts, Folium Artemisiae Argyi extract：3 parts, tuberostemonine：3.5 parts, 90% ethanol solution：80 parts, glycerine：21 parts
And water：90 parts.
The preparation method of described Folium Artemisiae Argyi extract comprises the following steps：
Tarragon is placed in water and soaks 1 h, add the 0.5% of tarragon weight cellulase, regulation pH is 4.5,50 DEG C of bars
Digest 2h under part, filter, reduced pressure concentration, be dried, obtain final product Folium Artemisiae Argyi extract.
The preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.8cm, be subsequently adding the 90% of 13 times of vetiver weight ethanol molten
1.5h is soaked in liquid, then ultrasonic wave extraction 3 times under the conditions of 40 DEG C, each 35min, merge extract, filter, reduced pressure concentration,
It is dried, obtain final product vetiver extract.
The preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 1.0cm, be subsequently adding 40% ethanol of 10 times of weight
Solution soaks 4h, then ultrasonic wave extraction 3 times under the conditions of 40 DEG C, and each 30min merges extract, filters, reduced pressure concentration, does
Dry, obtain chrysanthemum cinesariaefolium extract.
Described ultrasonic extraction frequency 25kHz, power 300W.
The preparation method of the above-mentioned agricultural chemical insecticide containing vetiver, comprises the following steps：
First vetiver extract is dissolved in ethanol solution, be subsequently adding glycerine dilution, be added followed by Folium Artemisiae Argyi extract,
Chrysanthemum cinesariaefolium extract and tuberostemonine mix, and are eventually adding water and dilute, obtain final product.
Embodiment 4
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：15 parts, in vain
Flower pyrethrum extract：8 parts, Folium Artemisiae Argyi extract：5 parts, tuberostemonine：4 parts, 95% ethanol solution：90 parts, glycerine：25 parts and
Water：100 parts.
The preparation method of described Folium Artemisiae Argyi extract comprises the following steps：
Tarragon is placed in water and soaks 3 h, add the 0.3% of tarragon weight cellulase, regulation pH is 5.0,45 DEG C of bars
Digest 3h under part, filter, reduced pressure concentration, be dried, obtain final product Folium Artemisiae Argyi extract.
The preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.5cm, be subsequently adding the 95% of 10 times of vetiver weight ethanol molten
2h is soaked in liquid, then ultrasonic wave extraction 3 times under the conditions of 55 DEG C, each 30min, merge extract, filter, reduced pressure concentration, do
Dry, obtain final product vetiver extract.
The preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.5cm, be subsequently adding 50% ethanol of 8 times of weight
Solution soaks 5h, then ultrasonic wave extraction 3 times under the conditions of 50 DEG C, and each 45min merges extract, filters, reduced pressure concentration, does
Dry, obtain chrysanthemum cinesariaefolium extract.
Described ultrasonic extraction frequency 25kHz, power 500W.
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by tarragon and carries
Take thing, chrysanthemum cinesariaefolium extract and tuberostemonine to mix, be eventually adding water and dilute again, obtain final product.
Embodiment 5
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：15 parts, in vain
Flower pyrethrum extract：8 parts, Folium Artemisiae Argyi extract：5 parts, tuberostemonine：4 parts, 3 parts of capsaicine, 95% ethanol solution：90 parts,
Glycerine：25 parts and water：100 parts.
Capsaicine is a kind of alkaloid of phenolic hydroxy group, is by extracting obtain effective in the ripe reality of solanaceae plant pepper
Composition.Capsaicine is a kind of active material with broad-spectrum antibacterial effect, can suppress Escherichia coli in food, hay bacillus, gold
Staphylococcus aureus, brewer's yeast, Australian yeast.Capsaicine is shared with tuberostemonine, good disinsection effect, keeps fruit
Fresh.
The preparation method of described Folium Artemisiae Argyi extract comprises the following steps：
Tarragon is placed in water and soaks 2.5 h, add the 0.5% of tarragon weight cellulase, adjust pH and be 5.0,45 DEG C
Under the conditions of digest 2.5h, filter, reduced pressure concentration, be dried, obtain final product Folium Artemisiae Argyi extract.
The preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.5cm, be subsequently adding the 95% of 10 times of vetiver weight ethanol molten
1.5h is soaked in liquid, then ultrasonic wave extraction 3 times under the conditions of 55 DEG C, each 30min, merge extract, filter, reduced pressure concentration,
It is dried, obtain final product vetiver extract.
The preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.5cm, be subsequently adding 40% ethanol of 8 times of weight
Solution soaks 3h, then ultrasonic wave extraction 3 times under the conditions of 50 DEG C, and each 15min merges extract, filters, reduced pressure concentration, does
Dry, obtain chrysanthemum cinesariaefolium extract.
Described ultrasonic extraction frequency 25kHz, power 500W.
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by tarragon and carries
Take thing, chrysanthemum cinesariaefolium extract, tuberostemonine and capsaicine to mix, be eventually adding water and dilute again, obtain final product.
Embodiment 6
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：18 parts, in vain
Flower pyrethrum extract：9.2 parts, Folium Artemisiae Argyi extract：6.5 parts, tuberostemonine：4.5 parts, 85% ethanol：100 parts, glycerine：30
Part and water：110 parts.
The preparation method of described Folium Artemisiae Argyi extract comprises the following steps：
Tarragon is placed in water and soaks 2 h, add the 0.2% of tarragon weight cellulase, regulation pH is 4.0,50 DEG C of bars
Digest 1h under part, filter, reduced pressure concentration, be dried, obtain final product Folium Artemisiae Argyi extract.
The preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.6cm, be subsequently adding the 85% of 8 times of vetiver weight ethanol solution
Middle immersion 2h, then ultrasonic wave extraction 2 times under the conditions of 30 DEG C, each 30min, merge extract, filter, reduced pressure concentration, be dried,
Obtain final product vetiver extract.
The preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.6cm, be subsequently adding 50% ethanol of 8 times of weight
Solution soaks 2h, then ultrasonic wave extraction 3 times under the conditions of 55 DEG C, and each 20min merges extract, filters, reduced pressure concentration, does
Dry, obtain chrysanthemum cinesariaefolium extract.
Described ultrasonic extraction frequency 20kHz, power 400W.
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by tarragon and carries
Take thing, chrysanthemum cinesariaefolium extract and tuberostemonine to mix, be eventually adding water and dilute again, obtain final product.
Embodiment 7
A kind of agricultural chemical insecticide containing vetiver, the raw material including following parts by weight is made：Vetiver extract：20 parts, in vain
Flower pyrethrum extract：10 parts, Folium Artemisiae Argyi extract：8 parts, tuberostemonine：5 parts, 80% ethanol solution：90 parts, glycerine：35 parts
And water：120 parts.
The preparation method of described Folium Artemisiae Argyi extract comprises the following steps：
Tarragon is placed in water and soaks 2.5 h, add the 0.4% of tarragon weight cellulase, adjust pH and be 5.0,55 DEG C
Under the conditions of digest 2h, filter, reduced pressure concentration, be dried, obtain final product Folium Artemisiae Argyi extract.
The preparation method of described vetiver extract comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.8cm, be subsequently adding the 80% of 12 times of vetiver weight ethanol molten
1h is soaked in liquid, then ultrasonic wave extraction 3 times under the conditions of 45 DEG C, each 20min, merge extract, filter, reduced pressure concentration, do
Dry, obtain final product vetiver extract.
The preparation method of described chrysanthemum cinesariaefolium extract comprises the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.8cm, be subsequently adding 45% ethanol of 9 times of weight
Solution soaks 2h, then ultrasonic wave extraction 2 times under the conditions of 60 DEG C, and each 40min merges extract, filters, reduced pressure concentration, does
Dry, obtain chrysanthemum cinesariaefolium extract.
Described ultrasonic extraction frequency 15kHz, power 500W.
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by tarragon and carries
Take thing, chrysanthemum cinesariaefolium extract and tuberostemonine to mix, be eventually adding water and dilute again, obtain final product.
Application test：
Experimental field：The a certain vineyard in Nanyang, area 6hm2, varieties of plant is huge peak, the age of tree 3 years, spacing in the rows 2m, subregion kind
Plant, every area area is 200m2, minizone leave protection row, protection line-spacing be 5m.
Reagent agent：The agricultural chemical insecticide containing vetiver of embodiment 1-7 preparation.
Process of the test：The agricultural chemical insecticide that embodiment 1-7 contains vetiver all dilutes 500 times, July 10 in 2016
Day dispenser 1 time, carries out dispenser with conventional manual sprayer, and formulation rate is 500L/hm2, even spraying, using clear water as blank
Comparison, in July 20 and July 25 investigation prevention effect, method is as follows：Randomly choose 5th area, every area randomly draws 5
Strain, plucks 400 grape fruits above from every plant, and 2000 grape fruits are plucked in Ji Mei area, pluck 10000 altogether
Grape fruit, investigates wormed fruit number, the blank same period is investigated, and then according to survey data, calculates wormed fruit rate and preventive effect,
The results are shown in Table 1.
Computing formula is：Wormed fruit rate（%）=（Fruit bat harm fruit number/investigation fruit sum）× 100%
Prevention effect（%）=[（Blank district wormed fruit rate-preventing and treating area wormed fruit rate）/ blank district wormed fruit rate] × 100%.
The agricultural chemical insecticide containing vetiver of table 1 embodiment of the present invention 1-7 preparation prevents and treats the drug effect of grape fruit bat
From table 1, the agricultural chemical insecticide containing vetiver of embodiment of the present invention 1-7 gained is equal to the prevention effect of fruit bat
It is seen that the agricultural chemical insecticide containing vetiver of the present invention is notable to grape fruit bat prevention effect more than 80%.
Claims (10)
1. a kind of agricultural chemical insecticide containing vetiver is it is characterised in that the raw material including following parts by weight is made：Vetiver carries
Take thing：12-20 part, chrysanthemum cinesariaefolium extract：5-10 part, tuberostemonine：3-5 part, ethanol solution：60-100 part, glycerine：
15-35 part and water：80-120 part.
2. the agricultural chemical insecticide containing vetiver according to claim 1 is it is characterised in that the volume integral of described ethanol solution
Number >=75%.
3. the agricultural chemical insecticide containing vetiver according to claim 1 is it is characterised in that the described agricultural chemicals containing vetiver kills
Worm agent also includes Folium Artemisiae Argyi extract：3-8 part.
4. the agricultural chemical insecticide containing vetiver according to claim 3 is it is characterised in that the preparation of described Folium Artemisiae Argyi extract
Method comprises the following steps：
Tarragon is placed on immersion 1-3 h in water, adds the cellulase of the 0.2%-0.5% of tarragon weight, adjusting pH is
Digest 1-3h under the conditions of 4.0-5.0,45-55 DEG C, filter, reduced pressure concentration, be dried, obtain final product Folium Artemisiae Argyi extract.
5. the agricultural chemical insecticide containing vetiver according to claim 1 is it is characterised in that the system of described vetiver extract
Preparation Method comprises the following steps：
The cauline leaf of vanilla root is dried in the shade, cuts into the segment of 0.5-1.0cm, the ethanol being subsequently adding vetiver weight 8-13 times is molten
1-2h is soaked in liquid, then ultrasonic wave extraction 2-3 time under the conditions of 30-55 DEG C, each 20-35min, merge extract, filtration, subtract
Pressure concentrates, and is dried, obtains final product vetiver extract.
6. the agricultural chemical insecticide containing vetiver according to claim 5 is it is characterised in that the volume integral of described ethanol solution
Number >=75%.
7. the agricultural chemical insecticide containing vetiver according to claim 1 is it is characterised in that described chrysanthemum cinesariaefolium extract
Preparation method comprise the following steps：
Chrysanthemum cinesariaefolium complete stool is cleaned up, dries, cut into the segment of 0.5-1.0cm, be subsequently adding 5-10 times of weight
Volume fraction is 40-60% alcohol solution dipping 2-5h, then ultrasonic extraction 2-3 time under the conditions of 40-60 DEG C, each 15-40min,
Filter, reduced pressure concentration, be dried, obtain chrysanthemum cinesariaefolium extract.
8. the agricultural chemical insecticide containing vetiver according to claim 5 or 7 it is characterised in that described ultrasonic extraction frequency
Rate 15-25kHz, power 300-500W.
9. a kind of preparation method of the agricultural chemical insecticide containing vetiver described in claim 1 is it is characterised in that include following walking
Suddenly：
First vetiver extract is dissolved in ethanol solution, is subsequently adding glycerine dilution, is added followed by chrysanthemum cinesariaefolium
Extract and tuberostemonine mix, and are eventually adding water and dilute, obtain final product.
10. the agricultural chemical insecticide containing vetiver described in a kind of any one of claim 1-8 prevent fruit restrict in terms of insect should
With.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110881346A (en) * | 2019-11-22 | 2020-03-17 | 云南省农业科学院甘蔗研究所 | Method for preventing and controlling sugarcane garden sesamia inferens by using trapping plant vetiver grass |
Citations (4)
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