CN103444788A - Humulus lupulus plant based nano slow-release oil suspending agent and preparation method thereof - Google Patents
Humulus lupulus plant based nano slow-release oil suspending agent and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a humulus lupulus plant based nano slow-release oil suspending agent and a preparation method thereof. The suspending agent provided by the invention can be used for soil treatment after planting before seedling, and has the characteristics of farmland weed eradication and broad-spectrum sterilization. Compared with the prior art, the formulation provided by the invention has the characteristics of favorable weed eradication effect, high safety for environment and the like, and the weed can not easily generate drug resistance, thereby having wide application prospects.
Description
Technical field
The invention belongs to the nuisanceless fertilizer technical field, be specifically related to a kind of lupulus plant resource nano controlled-release oil-suspending agent and preparation method thereof.
Background technology
Plant can run into various damage by disease and insect in the occurring in nature process of growth, fungus disease particularly, its kind is many, and disease is serious, and, dark fund sick etc. sick such as sick, the red gold of gold is that the disease of control occurs generally, comparatively to be difficult on many crops, bring huge loss to agricultural production, mainly occur in the parts such as tender seedling, bud, the tip of crop, when serious, blade is withered, curling, the browning look, withered.A large amount of chemical means that use are prevented and treated at present, yet domesticly for the medicament of preventing and treating powdery mildew, mainly contain the unicity of for many years medication of methyl and the particularity of chemicals, be easy in use operating personnel and ecotope be made to serious harm, and have in a large number residual, easy-clear, do not cause injury to edible people, and therefore country is own through banning use of highly toxic pesticide, greatly develop the green non-pollution vegetables, so be badly in need of developing the public nuisance-free agricultural chemicals that low toxicity is even nontoxic.Causing harm of farmland weed often causes a large amount of underproduction of crops every year.Use chemical herbicide to remain the Main Means of current weed control, but, due to a large amount of and unreasonable use chemical herbicide, caused the problems such as environmental pollution, residue of pesticide and herbicide resistance, be subject to extensive concern.Therefore, exploitation is efficient, the new herbicides of low toxicity, low-residual, becomes problem in the urgent need to address.Find bioactivator from plant, and then the environmentally friendly agricultural chemicals of development of new, be the hot fields of the outer research of Present Domestic.
China is large agricultural country, and about 400,000,000 m2 of area occur the crop diseases and pest crop smothering throughout the year, and annual the need produced and used 800,000 tons, agricultural chemicals, and agricultural chemicals has become indispensable factor in agricultural production.Being widely used of agricultural chemicals, although production development has been played to important function, also occurred pesticide resistance problem such as insect pest, disease, to the pollution of environment and in agricultural and animal products residual and accumulation problem, injure natural enemy, destroy balance of nature, cause pest resurgence problem etc.This development to novel pesticide has proposed higher requirement.Especially, since entering 21 century, along with the cry of people's uphold nature, protection of the environment, concern food security is day by day surging, harmless boilogical agricultural chemicals industry and biological control area research have obtained rare opportunity to develop.
Biotic intrusion is considered to cause the one of the main reasons of the interior ecosystem degradation of world wide and the loss of biodiversity.Instruction plant is by replacing native plants and then setting up the integrality that single species group threatens the ecosystem.Invasion mechanism and the impact of determining exotic plant are most important to predicting its spreading rate, formulation prevention and control and even ecological reconstruction (ecologicalrestoration) measure.At present, for the reasonable utilization of adventive instruction plant, report is also arranged, the Activities of Some Plants extract all possesses desinsection, antibiotic characteristic.But not yet form the commercialization pesticidal preparations, market in urgent need is a kind of is conducive to environmental protection, effectively sterilization, weeding, and can be applicable to the large nuisanceless bactericidal and herbicidal medicament of plant of producing.Will be at invasion habitat choose reasonable plantation substituted plant source pesticide by this research, thus realize its continuous and effective is controlled and technical support.
Summary of the invention
The invention provides a kind of lupulus plant resource nano controlled-release oil-suspending agent, it is characterized in that, it comprises that the raw material of following parts by weight prepares: lupulus 5-10 part, soapberry exosper fragrant eupatorium herb 10-20 part, water 10-20 part, nano controlled-release carrier 20-25 part;
The preparation method of described nano controlled-release carrier is:
(1) silicon hydroxyapatite, concave convex rod, hydrotalcite are mixed according to the mass fraction proportioning of 35-45:10-15: 10-15, join in the mixed solution of 230 parts of methyl-sulfoxides (DMSO) and 50 parts of methyl alcohol, in 65 ℃, stir 60 hours, filter, and wash and remove excessive methyl-sulfoxide (DMSO) for 3 times with the hot ethanol of 60 ℃ of temperature, put into vacuum drying chamber, dry 24 hours of 60 ℃ of temperature, grinding is sieved, and obtains modified composite one time;
(2) 1 part of modified composite, 15 parts of potassium acetates and 25 parts of distilled water are mixed, in temperature 50 C, stir more than 10 hours, in 30 ℃ of temperature, first under ultrasonic electric power 350W condition, disperse 3.5 hours, and then disperse 4 hours under ultrasonic electric power 250W condition.Filter, and wash 3 times with distillation, 80 ℃ of vacuum drying 24 hours, grinding is sieved, and obtains twice-modified compound; (3) above-mentioned 1 part of twice-modified compound is disperseed to 60min at the 600W power ultrasonic, with constant temperature heating device, be heated to 90 ℃, and stir (1200r/min) 60 minutes with mechanical agitator; Obtain the nano controlled-release carrier complexes;
The preparation method of described oil-suspending agent is: get lupulus 5-10 part, soapberry exosper 55-60 part, fragrant eupatorium herb 10-20 part according to described parts by weight, in water, soak after 2.5 hours, being warmed to 50 ℃ keeps 30 minutes, then add the cellulase of (unit of activity of 10 parts is 100U) to carry out enzymolysis, the enzyme digestion reaction temperature is 30-50 ℃, the enzyme digestion reaction time is 1.5 hours, filters and obtains Chinese herbal medicine fluid; The 75% alcohol immersion 80min that 300 parts of the described herbal liquid medicines made is added to 10 times of weight, be heated to 70 ℃ times and heat up in a steamer 45min, filters, and collects extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 ℃ and returns and to heat up in a steamer 65min, filters, and collects extract, and through (0.08Mpa, the 60 ℃) medicinal extract that while being evaporated to 65 ℃, relative density is 1.6, atomized drying, obtain dry extract; The medicinal extract obtained is also added to 10 parts of organosilicons successively, 0.5 part of dibutyl hydroxy toluene, 300 parts of soft water, continue to stir after 35 minutes; Add 100 parts of esterification sunflower seed vegetable oil, 50 parts, OP-10 surfactant, nano controlled-release carrier 20-25 part are mixed in mixing kettle, in pumping into the ultramicro grinding sand mill, pulverize 4 hours, can form stable oil-suspending agent, grain diameter reaches below 4.5 μ m after testing.
The application of plant pesticide composition in control Cereal, fruit tree, vegetables.
Of the present inventionly can be used for broadcasting soil treatment before rear seedling, prevent and kill off the sterilization idiocratic of farmland weed and wide spectrum.Compared with prior art, it is good, environmentally safe that distinctive formula synergy formulation of the present invention has a herbicidal effect, and the weeds characteristics such as be difficult for developing immunity to drugs, have a extensive future.Formulation of the present invention is remarkable to its prevention against usual damages effect of fruit, wheat, paddy rice and vegetables.Bactericidal and herbicidal agent of the present invention relatively safely to eyes, skin nonirritant, is low toxicity through its acute toxicity of day skin evidence to people and animals, in atmosphere and soil, easily decomposes, and non-poisonous material is residual; The present invention's seed dressing is little on the impact of farmland natural enemy, contributes to keep ecotope, more friendly to environment, meets the production requirement of crop.Utilize hydroxyapatite etc. itself to there is the character of loose structure, Drug absorbability, in the inner mesh of carrier, is reached to the purpose of slow release.Hydroxyapatite also has biodegradable characteristic, the gained catabolite is phosphate anion and calcium ion, and these elements can be absorbed by crop again, can not produce destruction to crop and environment, can also improve soil, so the product quality that the hydroxyapatite of usining obtains as agricultural chemicals, chemical fertilizer carrier is reliable, stability is strong, uses safety, medicine carrying amount and adsorbing capacity all improve a lot, the fertilizer efficiency time lengthening is more than 3 months, and the agricultural chemicals availability improves 18%, improves the producer's benefit.
Embodiment
The present invention is described in further detail by the following examples, but should be appreciated that the present invention is not in following examples.
Embodiment 1: the preparation of nuisanceless bactericidal and herbicidal agent
The invention provides a kind of lupulus plant resource nano controlled-release oil-suspending agent, it is characterized in that, it comprises that the raw material of following parts by weight prepares: lupulus 5-10 part, soapberry exosper fragrant eupatorium herb 10-20 part, water 10-20 part, nano controlled-release carrier 20-25 part;
The preparation method of described nano controlled-release carrier is:
(1) silicon hydroxyapatite, concave convex rod, hydrotalcite are mixed according to the mass fraction proportioning of 35-45:10-15: 10-15, join in the mixed solution of 230 parts of methyl-sulfoxides (DMSO) and 50 parts of methyl alcohol, in 65 ℃, stir 60 hours, filter, and wash and remove excessive methyl-sulfoxide (DMSO) for 3 times with the hot ethanol of 60 ℃ of temperature, put into vacuum drying chamber, dry 24 hours of 60 ℃ of temperature, grinding is sieved, and obtains modified composite one time;
(2) 1 part of modified composite, 15 parts of potassium acetates and 25 parts of distilled water are mixed, in temperature 50 C, stir more than 10 hours, in 30 ℃ of temperature, first under ultrasonic electric power 350W condition, disperse 3.5 hours, and then disperse 4 hours under ultrasonic electric power 250W condition.Filter, and wash 3 times with distillation, 80 ℃ of vacuum drying 24 hours, grinding is sieved, and obtains twice-modified compound; (3) above-mentioned 1 part of twice-modified compound is disperseed to 60min at the 600W power ultrasonic, with constant temperature heating device, be heated to 90 ℃, and stir (1200r/min) 60 minutes with mechanical agitator; Obtain the nano controlled-release carrier complexes;
The preparation method of described oil-suspending agent is: get lupulus 5-10 part, soapberry exosper 55-60 part, fragrant eupatorium herb 10-20 part according to described parts by weight, in water, soak after 2.5 hours, being warmed to 50 ℃ keeps 30 minutes, then add the cellulase of (unit of activity of 10 parts is 100U) to carry out enzymolysis, the enzyme digestion reaction temperature is 30-50 ℃, the enzyme digestion reaction time is 1.5 hours, filters and obtains Chinese herbal medicine fluid; The 75% alcohol immersion 80min that 300 parts of the described herbal liquid medicines made is added to 10 times of weight, be heated to 70 ℃ times and heat up in a steamer 45min, filters, and collects extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 ℃ and returns and to heat up in a steamer 65min, filters, and collects extract, and through (0.08Mpa, the 60 ℃) medicinal extract that while being evaporated to 65 ℃, relative density is 1.6, atomized drying, obtain dry extract; The medicinal extract obtained is also added to 10 parts of organosilicons successively, 0.5 part of dibutyl hydroxy toluene, 300 parts of soft water, continue to stir after 35 minutes; Add 100 parts of esterification sunflower seed vegetable oil, 50 parts, OP-10 surfactant, nano controlled-release carrier 20-25 part are mixed in mixing kettle, in pumping into the ultramicro grinding sand mill, pulverize 4 hours, can form stable oil-suspending agent, grain diameter reaches below 4.5 μ m after testing.
The application of plant pesticide composition in control Cereal, fruit tree, vegetables.
Embodiment 2: test region is located in potato test region, farm, the previous crops potato, and soil types is black earth, soil organic matter content 5. 3%, pH values 6. 6; The test region autumn rakes the soil level, and the spring is dragged for ground, spring ridging, spring fertilising; Hectare is executed di(2-ethylhexyl)phosphate hinge 175kg, urea 160kg, potassium sulphate 125kg.
3 processing are established in each test altogether, repeat for 4 times, and each community area 10m2, carry out experimental scheme, wherein A according to completely randomized design: the clear water blank; B: 800 times of dilution positive controls of carbendazim; C: 300 times of dilutions of botanical pesticide of the present invention, seed dressing.
Investigation content and data are processed: every community is selected 30 samples at random, before using medicine, with sowing kind of rear 30d investigation, records the diseased plant number, the observation emergence rate.
Result of the test shows, after agricultural chemicals seed dressing of the present invention, emergence rate on average reaches 81.9%, and contrast is processed and reached significance level, and to potato, the inhibiting rate of common disease is 75.5%.
Embodiment 3: the manure trial effect
Of the present invention through field comparison test, all obtain positive effect, main manifestations is as follows: contain and enrich organic matter and humus, can improve soil structure, vegetable soil, promote soil to build up fertility.With other fertilizer ratio such as nutrient such as grade, crop yield 20%.Formulate and coordinate crops absorption nutrition, stimulating and the regulation and control plant growth, reduce or reduce crop disease and insect, affecting crop quality.Need not or reduce fertilizer amount, be beneficial to protection of the environment.Utilize hydroxyapatite etc. itself to there is the character of loose structure, Drug absorbability, in the inner mesh of carrier, is reached to the purpose of slow release.Hydroxyapatite also has biodegradable characteristic, the gained catabolite is phosphate anion and calcium ion, and these elements can be absorbed by crop again, can not produce destruction to crop and environment, can also improve soil, so the product quality that the hydroxyapatite of usining obtains as agricultural chemicals, chemical fertilizer carrier is reliable, stability is strong, uses safety, medicine carrying amount and adsorbing capacity all improve a lot, the fertilizer efficiency time lengthening is more than 3 months, and the agricultural chemicals availability improves 18%, improves the producer's benefit.
Claims (4)
1. a lupulus plant resource nano controlled-release oil-suspending agent, is characterized in that, it comprises that the raw material of following parts by weight prepares: lupulus 5-10 part, soapberry exosper fragrant eupatorium herb 10-20 part, water 10-20 part, nano controlled-release carrier 20-25 part;
The preparation method of described nano controlled-release carrier is:
(1) silicon hydroxyapatite, concave convex rod, hydrotalcite are mixed according to the mass fraction proportioning of 35-45:10-15: 10-15, join in the mixed solution of 230 parts of methyl-sulfoxides (DMSO) and 50 parts of methyl alcohol, in 65 ℃, stir 60 hours, filter, and wash and remove excessive methyl-sulfoxide (DMSO) for 3 times with the hot ethanol of 60 ℃ of temperature, put into vacuum drying chamber, dry 24 hours of 60 ℃ of temperature, grinding is sieved, and obtains modified composite one time;
(2) 1 part of modified composite, 15 parts of potassium acetates and 25 parts of distilled water are mixed, in temperature 50 C, stir more than 10 hours, in 30 ℃ of temperature, first under ultrasonic electric power 350W condition, disperse 3.5 hours, and then disperse 4 hours under ultrasonic electric power 250W condition, filter, and wash 3 times with distillation, 80 ℃ of vacuum drying 24 hours, grinding is sieved, and obtains twice-modified compound; (3) above-mentioned 1 part of twice-modified compound is disperseed to 60min at the 600W power ultrasonic, with constant temperature heating device, be heated to 90 ℃, and stir (1200r/min) 60 minutes with mechanical agitator; Obtain the nano controlled-release carrier complexes.
2. the preparation method of described oil-suspending agent is: get lupulus 5-10 part, soapberry exosper 55-60 part, fragrant eupatorium herb 10-20 part according to described parts by weight, in water, soak after 2.5 hours, being warmed to 50 ℃ keeps 30 minutes, then add the cellulase of (unit of activity of 10 parts is 100U) to carry out enzymolysis, the enzyme digestion reaction temperature is 30-50 ℃, the enzyme digestion reaction time is 1.5 hours, filters and obtains Chinese herbal medicine fluid; The 75% alcohol immersion 80min that 300 parts of the described herbal liquid medicines made is added to 10 times of weight, be heated to 70 ℃ times and heat up in a steamer 45min, filters, and collects extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 ℃ and returns and to heat up in a steamer 65min, filters, and collects extract, and through (0.08Mpa, the 60 ℃) medicinal extract that while being evaporated to 65 ℃, relative density is 1.6, atomized drying, obtain dry extract; The medicinal extract obtained is also added to 10 parts of organosilicons successively, 0.5 part of dibutyl hydroxy toluene, 300 parts of soft water, continue to stir after 35 minutes; Add 100 parts of esterification sunflower seed vegetable oil, 50 parts, OP-10 surfactant, nano controlled-release carrier 20-25 part are mixed in mixing kettle, in pumping into the ultramicro grinding sand mill, pulverize 4 hours, can form stable oil-suspending agent, grain diameter reaches below 4.5 μ m after testing.
3. the application of plant pesticide composition according to claim 1 in control Cereal, fruit tree, vegetables.
4. plant pesticide composition according to claim 3 is in the application of control Cereal, fruit tree, vegetables; It is characterized in that: described crop is potato.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107493870A (en) * | 2017-08-21 | 2017-12-22 | 广西贵港市恒桥米业有限公司 | A kind of production method of selenium-rich glutinous rice |
| CN108850004A (en) * | 2018-07-31 | 2018-11-23 | 深圳绿欣农业环保科技有限公司 | Compound plant source nano pesticide and preparation method thereof |
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Patent Citations (5)
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| WO2001006877A1 (en) * | 1999-07-27 | 2001-02-01 | Rhodia Inc. | Hops acid antibacterial compositions |
| CN101589709A (en) * | 2009-07-03 | 2009-12-02 | 吉林大学 | Adsorption method for preparing hydroxyapatite pesticide, slow-release fertilizer compound |
| CN102002141A (en) * | 2010-11-19 | 2011-04-06 | 安徽大学 | Preparation method of polyurethane-nano kaolin composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107493870A (en) * | 2017-08-21 | 2017-12-22 | 广西贵港市恒桥米业有限公司 | A kind of production method of selenium-rich glutinous rice |
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Application publication date: 20131218 |