CN101233866A - Matrine agent plant pesticide special for killing cabbage worm and preparation thereof - Google Patents
Matrine agent plant pesticide special for killing cabbage worm and preparation thereof Download PDFInfo
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Abstract
The invention discloses botanical insecticide of soluble matrine used for killing cabbage caterpillar and a preparation method thereof, which aims at providing the botanical insecticide used for killing cabbage caterpillar and a preparation method thereof which adopts Chinese herbal medicine as raw material, has high matrine content, low toxin and low cost but high efficiency and is harmless to human and livestock.. The botanical insecticide comprises 15-20 portions of Chinese herbal medicine extract containing the matrine, 10-20 portions of emulsifier, 4-8 portions of penetrating agent, 0.1 portions of antioxidant and 55-60 portions of deionized water; the Chinese herbal medicine extract containing the matrine is extracted by mixing the following materials by weight portions: 20-30 portions of sophora flavescens ait, 7-10 portions of chinaberry fruit, 12-19 portions of chinaberry leaf, 10-15 portions of tripterygiumforrestii, 18-24 portions of raw aconitum, 4-6 portions of euphorbia and 6-8 portions of dried orangepeel. The insecticide comprises the matrine of super high content of about 2.0 percent and is directionally used for killing the plant louses through scientific compatibility of diversified Chinese herbal medicine components and has powerful penetrating performance that is in favor of absorption by plants, low cost per Mu (approximate to 667 square meter), low toxin, no RPP, no residue, no pollution and no drug resistance.
Description
Technical field
The invention belongs to field of biological pesticide, in particular, relate to matrine agent plant pesticide of a kind of special for killing cabbage worm and preparation method thereof.
Background technology
China is the maximum country of world population, is again a large agricultural country.Developing rural economy, exploitation agricultural and related industry are one of important policies of China.For a long time, China's vast rural area farm produce production base, because of a large amount of chemical pesticides that use cause the serious three disasters, the pesticide resistance that damage by disease and insect produced has become the latent disease of crops, plant.Residue of pesticide are outstanding day by day to the pollution of food chain and environment.Three disasters problem has not only restricted Agricultural Development, seriously jeopardizes the human life simultaneously with healthy, and the harm that it causes is immeasurable.The long-term harm of using the chemicals agricultural chemicals to environment and related industry displays in people's each side of living.In order to restrict these harm, five kinds of chemical pesticides were destroyed by the Ministry of Agriculture in 2007.The contour malicious organophosphorous pesticide of acephatemet, parathion-methyl, parathion, nuvacron and thiamines will be referred to 288 pesticidal preparations and stops on the crops and use.Therefore, green plant pesticide, bactericide will become main developing direction, and the vast market development prospect is arranged.
Consumption was big when existing vegetable insecticide used on crops, mu cost height, and every mu of ground will use the 250-500 gram, and the labour pays height, and desinsection is not directed special killing.
Summary of the invention
The present invention is in order to overcome weak point of the prior art, and providing a kind of is raw material with the Chinese herbal medicine, to person poultry harmless, low toxicity super-high-efficient, matrine content height, the vegetable insecticide of the special for killing cabbage worm that use cost is low.
Another object of the present invention provides a kind of preparation method of vegetable insecticide of special for killing cabbage worm.
The present invention is achieved through the following technical solutions:
A kind of matrine agent plant pesticide of special for killing cabbage worm, it is characterized in that, comprise Chinese medicine extract 15-20 part of containing matrine by weight, emulsifier 10-20 part, bleeding agent 4-8 part, 0.1 part in antioxidant, deionized water 55-60 part is formed, the described Chinese medicine extract that contains matrine for by weight with kuh-seng 20-30 part, Fructus meliae toosendan 7-10 part, melia toosendan skin 12-19 part, thunder godvine 10-15 part, Radix Aconiti Kusnezoffii 18-24 part, root of langdu 4-6 part, it is the extract of raw material that dried orange peel 6-8 part is mixed the back, and wherein every milliliter of Chinese medicine extract that contains matrine is equivalent to 1.25 gram crude drugs.
Described emulsifier is the 4209-X emulsifier that Nanjing Teva-Chem. Co., Ltd. produces, and described bleeding agent is high golden thiophene ketone, and described antioxidant is the FF-04 antioxidant that prosperousization great achievement Beijing, Beijing three nine-day periods after the winter solstice chemical industry Co., Ltd produces.
In above-mentioned prescription, can also add dimethyl sulfoxide (DMSO) 1-5 part by weight as disappearing anti-agent.
A kind of preparation method of matrine agent plant pesticide of above-mentioned special for killing cabbage worm is characterized in that, comprises the steps:
(1) takes by weighing kuh-seng, thunder godvine, Fructus meliae toosendan, melia toosendan skin, Radix Aconiti Kusnezoffii, the root of langdu, dried orange peel by weight, in water, soak after 1.5 hours, be heated to 40-50 ℃, kept 20 minutes, add cellulase and carry out enzymolysis, make the abundant stripping of matrine, filter afterwards and obtain herb liquid; Wherein, kuh-seng 20-30 part, Fructus meliae toosendan 7-10 part, melia toosendan skin 12-19 part, thunder godvine 10-15 part, Radix Aconiti Kusnezoffii 18-24 part, root of langdu 4-6 part, dried orange peel 6-8 part; The unit of activity of described cellulase is preferably 100U, and enzymatic hydrolysis condition is that 40 ℃ of constant temperature kept 2.2 hours.The consumption of cellulase can be determined according to conventional production process, be preferably 0.3-0.4 part by weight.
(2) add papain in above-mentioned herb liquid and clarify, the liquid after the clarification leaves standstill and filters the 55-60 ℃ of cryogenic vacuum in back and be concentrated into every milliliter of soup and be equivalent to 1.25 gram crude drugs, obtains containing the Chinese medicine extract of matrine.The consumption of fining agent papain can be determined according to conventional production process.
(3) getting above-mentioned Chinese medicine extract 15-20 part of containing matrine by weight drops in the jar, begin to stir at 20 ℃, and add emulsifier 10-20 part, bleeding agent 4-8 part, 0.1 part in antioxidant, dimethyl sulfoxide (DMSO) 1-5 part successively, deionized water 55-60 part slowly is warming up to 40 ℃ and continues to stir 20 minutes, be cooled to 20 ℃ then, continue stirring again and obtained vegetable insecticide of the present invention in 40 minutes.Described emulsifier is the 4209-X that Nanjing Teva-Chem. Co., Ltd. produces, and described bleeding agent is high golden thiophene ketone, and described antioxidant is the FF-04 antioxidant that prosperousization great achievement Beijing, Beijing three nine-day periods after the winter solstice chemical industry Co., Ltd produces.
The present invention has following technique effect:
Kuh-seng is a pure natural plant, has function clearing heat and detoxicating, desinsection.Contain percentage by weight in the insecticide of the present invention and be about 2.0% superelevation content matrine, by the science compatibility of various traditional Chinese medicine ingredients, directed special for killing cabbage worm can kill diamond-back moth, cotton bollworm, aphid, peach fruit borer etc. simultaneously.By selecting auxiliary agents such as suitable emulsifier, bleeding agent, antioxidant, dimethyl sulfoxide (DMSO) for use, make the matrine performance mix the efficacy of a drug to greatest extent, permeability is strong, help the absorption of plant, the mu cost is low, and every mu of ground is only with the 15-20 gram, and efficient, low toxicity, the no three disasters, noresidue, pollution-free, no pesticide resistance, not injuring pest natural enemy, is the fully natural green plant pesticide.On using, crops are suitable for various vegetables, fruit tree, tea tree, cotton, wheat, corn, Soybean and Other Crops, and nontoxic, harmless to people and animals, have no side effect, can growth promotion, reach the effect of volume increase 10-15%.
Can effectively guarantee the activity of each traditional Chinese medicine ingredients in the insecticide effect of various traditional Chinese medicine ingredients to be not fully exerted by the vegetable insecticide of method of the present invention preparation, reach purpose efficiently.
Embodiment
Below in conjunction with specific embodiment to the detailed description of the invention.
Embodiment 1
To remove impurity through kuh-seng, thunder godvine, Fructus meliae toosendan, melia toosendan skin, Radix Aconiti Kusnezoffii, the root of langdu, the dried orange peel of screening, be ground into meal.Get kuh-seng 30kg, Fructus meliae toosendan 7kg, melia toosendan skin 19kg, thunder godvine 15kg, Radix Aconiti Kusnezoffii 24kg, dried orange peel 6kg, root of langdu 4kg put in the extractor, the water logging bubble that adds 4 times of volumes of raw material was heated to 40-50 ℃ after 1.5 hours, kept 20 minutes.Adding mass percent concentration is that 2% unit of activity is the cellulase 20kg of 100U, and 40 ℃ of constant temperature keep carrying out in 2.2 hours enzymolysis, filter afterwards and obtain herb liquid.Adding mass percent concentration and be 8% papain 6.4kg in above-mentioned herb liquid clarifies, liquid after the clarification leaves standstill and filters back 55-60 degree cryogenic vacuum and be concentrated into every milliliter of soup and be equivalent to 1.25 gram crude drugs, obtains containing the Chinese medicine extract of matrine.
Get the above-mentioned Chinese medicine extract 18kg that contains matrine, be fed in the synthesis tank.Temperature is controlled at 20 ℃ and begins to stir, and add the high golden thiophene ketone 4kg of emulsifier 4209-X 16kg, bleeding agent, antioxidant FF-04 0.1kg, dimethyl sulfoxide (DMSO) 1kg, deionized water 60kg successively, slowly be warming up to 40 ℃, continue to stir 20 minutes, reduce to 20 ℃ then.Continue to stir discharging in 40 minutes packing again and can obtain vegetable insecticide of the present invention.
Embodiment 2
Preparation process is identical with embodiment 1, wherein, kuh-seng 20kg, Fructus meliae toosendan 10kg, melia toosendan skin 16kg, thunder godvine 12kg, Radix Aconiti Kusnezoffii 20kg, dried orange peel 8kg, root of langdu 5kg, mass percent concentration is that 2% unit of activity is the cellulase 20kg of 100U, and mass percent concentration is 8% papain 6.4kg.The Chinese medicine extract 15kg that contains matrine, emulsifier 4209-X 20kg, the high golden thiophene ketone 8kg of bleeding agent, antioxidant FF-04 0.1kg, deionized water 56kg.
Embodiment 3
Preparation process is identical with embodiment 1, wherein, kuh-seng 25kg, Fructus meliae toosendan 8kg, melia toosendan skin 12kg, thunder godvine 10kg, Radix Aconiti Kusnezoffii 18kg, dried orange peel 7kg, root of langdu 6kg, mass percent concentration is that 2% unit of activity is the cellulase 20kg of 100U, and mass percent concentration is 8% papain 6.4kg.The Chinese medicine extract 15kg that contains matrine, emulsifier 4209-X 18kg, the high golden thiophene ketone 6kg of bleeding agent, antioxidant FF-04 0.1kg, dimethyl sulfoxide (DMSO) 2kg, deionized water 59kg.
Embodiment 4
Preparation process is identical with embodiment 1, wherein, kuh-seng 28kg, Fructus meliae toosendan 9kg, melia toosendan skin 18kg, thunder godvine 14kg, Radix Aconiti Kusnezoffii 22kg, dried orange peel 6kg, root of langdu 5kg, mass percent concentration is that 2% unit of activity is the cellulase 20kg of 100U, and mass percent concentration is 8% papain 6.4kg.The Chinese medicine extract 20kg that contains matrine, emulsifier 4209-X 10kg, the high golden thiophene ketone 4kg of bleeding agent, antioxidant FF-04 0.1kg, dimethyl sulfoxide (DMSO) 5kg, deionized water 60kg.
Embodiment 5
Preparation process is identical with embodiment 1, wherein, kuh-seng 24kg, Fructus meliae toosendan 8kg, melia toosendan skin 15kg, thunder godvine 12kg, Radix Aconiti Kusnezoffii 20kg, dried orange peel 8kg, root of langdu 4kg, mass percent concentration is that 2% unit of activity is the cellulase 20kg of 100U, and mass percent concentration is 8% papain 6.4kg.The Chinese medicine extract 17kg that contains matrine, emulsifier 4209-X 14kg, the high golden thiophene ketone 5kg of bleeding agent, antioxidant FF-04 0.1kg, dimethyl sulfoxide (DMSO) 4kg, deionized water 60kg.
With vegetable insecticide called after 2.0% aqueous matrine solution of the foregoing description 1 preparation and to carry out the result of field control effectiveness test and toxicity test respectively as follows:
The control brassicaceous vegetable cabbage caterpillar field control effectiveness test report of Inst. of Plant Protection, Jilin Prov. Academy of Agricultural Sciences:
1 test objective
The different medications of 2% aqueous matrine solution of producing for clear and definite Tianjin Hengyuan Biological Technology Development Co., Ltd. have not influence to the control efficiency of cabbage caterpillar and to the Chinese cabbage growth, improve its operation technique, explore optimum quantum of utilization and prevent and treat optimum period, for this product registration and promote foundation is provided.
2 experimental conditions
2.1 subjects, crop and breed selection
Subjects is cabbage caterpillar Pieris rapae (L.)
Trial crops is a Chinese cabbage, and kind is white No. 1 of the Liao Dynasty
2.2 environmental condition
Test site is selected in Shi Miaozi village, East Lake street, Hun Nan newly developed area, ShenYang, Liaoning Province city peasant household Chinese cabbage ground, about 3 mu of area, and experimental field the cabbage caterpillar generation is heavier over the years for this.
3 experimental scheme and arrangement
3.1 medicament
3.1.1 test medicine
2% aqueous matrine solution is the vegetable insecticide of the embodiment of the invention 1, is provided by Tianjin Hengyuan Biological Technology Development Co., Ltd..
3.1.2 contrast medicament
0.26% aqueous matrine solution, Jia Kenongization Co., Ltd in Xi'an produces, and market is bought.
3.1.3 dosing is as shown in table 1 with numbering.
3.2 arrange the sub-district
Sub-district area: 20 square metres of every sub-district areas.
Number of repetition: four repetitions.
3.3 application method
3.3.1 using method
The spraying, the examination medicament to the water even spraying in each position of Chinese cabbage and polypide surface.
3.3.2 spraying equipment
Spraying equipment is Singapore's sharp farming 16 liters of high pressure hand-operated sprayers of backpack (HD400), and operating pressure is 4 kg/cm.
3.3.3 spraying time and number of times
Test 1 medication, handling the date is on September 3rd, 2007, cabbage caterpillar occurance peak at a time when this.
3.3.4 usage amount
The actual dosage of test medicine is respectively 10 gram/mus, 15 gram/mus, 20 gram/mus, and 0.26% aqueous matrine solution dosage is 115.4 gram/mus.
3.3.5 prevent and treat the medicament data of other damage by disease and insect
Duration of test is not used other medicament.
4 investigation, record and measuring method
4.1 meteorology and slight slope data
4.1.1 meteorological data
Dispenser weather on the same day is fine, southwester, wind speed 2.6m/s, 16.8 ℃-26.3 ℃ of temperature, relative moisture 53%.There is not rainfall in 24 hours behind the medicine.
4.1.2 soil information
Soil belongs to sandy loam, and soil moisture content is better, and pH 6.8, and the content of organic matter is 1.8%, Routine Management.
4.2 investigation method, time and number of times
4.2.1 control time and number of times
Each sub-district cabbage caterpillar larva insect population radix (on September 3rd, 2007) of investigation before the dispenser, 1 day (September 4), 2 days (September 5), 7 days (September 10), 14 days (September 17) are investigated remaining larva quantity respectively behind the medicine, investigate altogether 5 times.
4.2.2 investigation method
Every sub-district takes diagonal method to get 5 points, lists continuously for every and fixes 10 strain Chinese cabbages, and every sub-district is investigated 50 strains altogether.
4.3 to the direct shadow noon of crop
Duration of test does not see that test medicine has any harmful effect to the Chinese cabbage growth, does not promptly have the poisoning performance.
4.4 the quality of product and output
Require not carry out determination of yield according to test protocols.
4.5 to other biotic influence
4.5.1 influence to other damage by disease and insect
Other damage by disease and insect there is not influence.
4.5.2 influence to other non-target organism
Other non-target organism there is not influence.
5 results and analysis
Statistical form is as shown in table 2 as a result for 2% aqueous matrine solution control brassicaceous vegetable cabbage caterpillar field control effectiveness test.It is as shown in table 3 to adopt the Deng Kenshi duncan's new multiple range method that test data is carried out statistic analysis result, and data are four times and repeat mean value in the table.
By table 3 result as can be seen, test medicine is good to brassicaceous vegetable (Chinese cabbage) cabbage caterpillar preventive effect, and 2 days investigation preventive effects were all more than 80% after its each dosage was handled medicine.Analysis result shows by statistics, and each test medicine high dose is handled preventive effect and is significantly higher than its low dosage and handles preventive effect phase behind the medicine, and middle dosage is handled preventive effect and contrast chemicals treatment preventive effect, and to compare difference not remarkable.Behind the medicine 1 day, 2 days, the test medicine high dose was handled preventive effect and is significantly higher than contrast chemicals treatment preventive effect.7 days, the 14 days middle and high dosage of test medicine is handled preventive effect and all is significantly higher than the low dosage processing behind the medicine.
Technical essential: at the cabbage caterpillar occurance peak test medicine is carried out even spraying control cabbage caterpillar to water, can reach good control efficiency.This medicament is to crop safety.
Find out further that through result of the test in 2007 test medicine that Tianjin Hengyuan Biological Technology Development Co., Ltd. produces is a kind of good medicament that is used to prevent and treat brassicaceous vegetable (Chinese cabbage) cabbage caterpillar, using dosage is advisable with (commodity amount) 15 gram/mus-20 gram/mu, to Chinese cabbage growth safety, preventive effect is good, can promote the use of.
Tianjin chemicals toxicological detection toxicity test report:
1. rat acute per os toxicity:
According to agricultural chemicals acute oral toxicity grade scale, originally tried the female LD of thing rat acute per os toxicity
50＞5000mg/kgBW, male LD
50＞5000mg/kgBW belongs to low toxicity.
2. rat acute percutaneous toxicity:
According to agricultural chemicals acute dermal toxicity grade scale, originally tried the female LD of thing rat acute percutaneous toxicity
50＞2000mg/kgBW, male LD
50＞2000mg/kgBW belongs to low toxicity.
3. eye stimulates:
According to agricultural chemicals eye irritation grade scale, originally being tried thing eye stimulus intensity is slight excitant level.
4. acute skin irritation:
According to agricultural chemicals acute skin irritation grade scale, originally being tried thing skin irritatin intensity is the nonirritant level.
5. skin allergic reaction:
According to agricultural chemicals skin allergic reaction (sensitization) strength grading standard, originally being tried thing skin allergic reaction (sensitization) intensity is the I level, belongs to weak sensitizer.
In sum, vegetable insecticide of the present invention is used to prevent and treat brassicaceous vegetable (Chinese cabbage) cabbage caterpillar and can reaches good control efficiency.This medicament is to crop safety.The mu cost is low, and every mu of ground is only with the 15-20 gram, and efficient, low toxicity, the no three disasters, noresidue, pollution-free, no pesticide resistance are the fully natural green plant pesticides.
Table 1
| Handle numbering | Medicament | Dispenser dosage (amount of formulation) | Formulation rate (active ingredient amount) |
| 1 | 2% aqueous matrine solution | 10 gram/mus | 3 gram/hectares |
| 2 | 2% aqueous matrine solution | 15 gram/mus | 4.5 gram/hectare |
| 3 | 2% aqueous matrine solution | 20 gram/mus | 6 gram/hectares |
| 4 | 0.26% aqueous matrine solution | 115.4 gram/mu | 4.5 gram/hectare |
| 5 | Blank | - | - |
Table 2
| Chemicals treatment | Repeat | The insect population radix | After the dispenser 1My god | After the dispenser 2My god | After the dispenser 7My god | After the dispenser 14My god | ||||
| Borer population | Preventive effect (%) | Borer population | Preventive effect (%) | Borer population | Preventive effect (%) | Borer population | Preventive effect (%) | |||
| 2% aqueous matrine solution, 10 gram/mus | 1 | 55 | 35 | 38.45 | 16 | 73.18 | 11 | 84.27 | 6 | 90.81 |
| 2 | 60 | 28 | 51.83 | 10 | 81.61 | 7 | 89.02 | 9 | 85.23 | |
| 3 | 69 | 38 | 44.93 | 12 | 84.51 | 9 | 90.03 | 14 | 82.65 | |
| 4 | 72 | 37 | 49.32 | 14 | 82.96 | 9 | 86.75 | 8 | 89.04 | |
| On average | - | - | 46.13 | 80.57 | - | 87.52 | - | 86.93 | ||
| 2% aqueous matrine solution, 15 gram/mus | 1 | 70 | 36 | 50.26 | 12 | 84.20 | 6 | 93.26 | 5 | 93.98 |
| 2 | 71 | 36 | 47.66 | 12 | 81.35 | 7 | 90.72 | 8 | 88.91 | |
| 3 | 59 | 29 | 50.85 | 7 | 89.44 | 3 | 96.11 | 5 | 92.75 | |
| 4 | 67 | 32 | 52.90 | 11 | 85.61 | 5 | 92.09 | 2 | 97.06 | |
| On average | - | - | 50.42 | 85.15 | - | 93.05 | - | 93.17 | ||
| 2% aqueous matrine solution, 20 gram/mus | 1 | 60 | 29 | 53.25 | 7 | 89.24 | 4 | 94.76 | 5 | 92.98 |
| 2 | 76 | 33 | 55.18 | 9 | 86.93 | 4 | 95.05 | 5 | 93.52 | |
| 3 | 65 | 28 | 56.92 | 5 | 93.15 | 1 | 98.82 | 0 | 100.00 | |
| 4 | 72 | 34 | 53.43 | 9 | 89.04 | 3 | 95.58 | 3 | 95.89 | |
| On average | - | - | 54.70 | 89.59 | - | 96.05 | - | 95.60 | ||
| 0.26% aqueous matrine solution, 115.4 gram/mus | 1 | 68 | 39 | 44.53 | 12 | 83.73 | 8 | 90.75 | 6 | 92.56 |
| 2 | 57 | 28 | 49.29 | 8 | 84.51 | 4 | 93.40 | 7 | 87.91 | |
| 3 | 61 | 33 | 45.90 | 10 | 85.40 | 3 | 96.24 | 1 | 98.60 | |
| 4 | 75 | 35 | 53.98 | 15 | 82.47 | 6 | 91.52 | 7 | 90.80 | |
| On average | - | - | 48.43 | - | 84.03 | - | 92.98 | - | 92.47 | |
| Blank | 1 | 59 | 61 | - | 64 | - | 75 | - | 70 | - |
| 2 | 64 | 62 | - | 58 | - | 68 | - | 65 | - | |
| 3 | 65 | 65 | - | 73 | - | 85 | - | 76 | - | |
| 4 | 71 | 72 | - | 81 | - | 67 | - | 72 | - | |
| On average | - | - | - | - | - | - | - | - | - | |
Table 3
| Handle numbering | Behind the medicine 1My god | Behind the medicine 2My god | Behind the medicine 7My god | Behind the medicine 14My god | ||||
| Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | Preventive effect (%) | The significance of difference | |
| 1 | 46.13 | b | 80.57 | b | 87.52 | b | 86.93 | b |
| 2 | 50.42 | ab | 85.15 | ab | 93.05 | a | 93.17 | a |
| 3 | 54.70 | a | 89.59 | a | 96.05 | a | 95.60 | a |
| 4 | 48.43 | b | 84.03 | b | 92.98 | a | 92.47 | ab |
Claims (6)
1, a kind of matrine agent plant pesticide of special for killing cabbage worm, it is characterized in that, comprise Chinese medicine extract 15-20 part of containing matrine by weight, emulsifier 10-20 part, bleeding agent 4-8 part, 0.1 part in antioxidant, deionized water 55-60 part is formed, the described Chinese medicine extract that contains matrine for by weight with kuh-seng 20-30 part, Fructus meliae toosendan 7-10 part, melia toosendan skin 12-19 part, thunder godvine 10-15 part, Radix Aconiti Kusnezoffii 18-24 part, root of langdu 4-6 part, it is the extract of raw material that dried orange peel 6-8 part is mixed the back, and wherein every milliliter of Chinese medicine extract that contains matrine is equivalent to 1.25 gram crude drugs.
2, the matrine agent plant pesticide of special for killing cabbage worm according to claim 1 is characterized in that, described emulsifier is 4209-X, and described bleeding agent is high golden thiophene ketone, and described antioxidant is FF-04.
3, the matrine agent plant pesticide of special for killing aphids according to claim 1 and 2 is characterized in that, also contains dimethyl sulfoxide (DMSO) 1-5 part by weight.
4, the preparation method of the matrine agent plant pesticide of the described special for killing cabbage worm of a kind of claim 1 is characterized in that, comprises the steps:
(1) takes by weighing kuh-seng, thunder godvine, Fructus meliae toosendan, melia toosendan skin, Radix Aconiti Kusnezoffii, the root of langdu, dried orange peel by weight, in water, soak after 1.5 hours, be heated to 40-50 ℃, kept 20 minutes, add cellulase and carry out enzymolysis, filter and obtain herb liquid; Wherein, kuh-seng 20-30 part, Fructus meliae toosendan 7-10 part, melia toosendan skin 12-19 part, thunder godvine 10-15 part, Radix Aconiti Kusnezoffii 18-24 part, root of langdu 4-6 part, dried orange peel 6-8 part;
(2) add papain in above-mentioned herb liquid and clarify, the liquid after the clarification leaves standstill and filters the back cryogenic vacuum and be concentrated into every milliliter of soup and be equivalent to 1.25 gram crude drugs, obtains containing the Chinese medicine extract of matrine;
(3) getting above-mentioned Chinese medicine extract 15-20 part of containing matrine by weight drops in the jar, begin to stir at 20 ℃, and add emulsifier 10-20 part, bleeding agent 4-8 part, 0.1 part in antioxidant, dimethyl sulfoxide (DMSO) 1-5 part successively, deionized water 55-60 part, slowly being warming up to 40 ℃ continues to stir 20 minutes, be cooled to 20 ℃ then, continue stirring again and obtained vegetable insecticide of the present invention in 40 minutes.
5, the preparation method of vegetable insecticide according to claim 3 is characterized in that, described cellulase is 0.3-0.4 part by weight, and the unit of activity of cellulase is 100U, and enzymatic hydrolysis condition is that 40 ℃ of constant temperature kept 2.2 hours.
6, the preparation method of vegetable insecticide according to claim 4 is characterized in that, described emulsifier is 4209-X, and described bleeding agent is high golden thiophene ketone, and described antioxidant is FF-04.
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| CN103222469A (en) * | 2013-05-16 | 2013-07-31 | 王月顺 | Method for producing sophocarpidine water aqua by using enzymolysis method |
| CN103222469B (en) * | 2013-05-16 | 2014-07-02 | 山西安顺生物科技有限公司 | Method for producing sophocarpidine water aqua by using enzymolysis method |
| CN104397053A (en) * | 2014-12-10 | 2015-03-11 | 浙江恒泽生态农业科技有限公司 | Preparation method for botanical pesticide for specially killing cabbage caterpillars during organic vegetable planting |
| CN104397053B (en) * | 2014-12-10 | 2017-02-22 | 浙江恒泽生态农业科技有限公司 | Preparation method for botanical pesticide for specially killing cabbage caterpillars during organic vegetable planting |
| CN105432308A (en) * | 2015-12-14 | 2016-03-30 | 铜陵大通小磨麻油有限公司 | Disease-preventing sesame plantation method |
| CN105557250A (en) * | 2015-12-14 | 2016-05-11 | 铜陵大通小磨麻油有限公司 | High-oil-content sesame planting method |
| CN108308207A (en) * | 2018-03-23 | 2018-07-24 | 夏文秀 | A kind of vegetable insecticide and preparation method thereof for vegetable cultivation |
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