CN103931678A - Biopesticide for preventing and treating bradysia hygida and preparation process thereof - Google Patents
Biopesticide for preventing and treating bradysia hygida and preparation process thereof Download PDFInfo
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- CN103931678A CN103931678A CN201410164870.2A CN201410164870A CN103931678A CN 103931678 A CN103931678 A CN 103931678A CN 201410164870 A CN201410164870 A CN 201410164870A CN 103931678 A CN103931678 A CN 103931678A
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Abstract
The invention provides a biopesticide for preventing and treating bradysia hygida. The biopesticide is prepared from buttercup which is widely distributed in the nature and abamectin dreg waste, and does not contain other chemicals, so that the biopesticide does not contain artificial chemical components, has the advantages of good effect, low toxicity, no residue, no drug resistance and environmental friendliness, and is a rare pesticide without chemical additives; the abamectin dreg is rich in organic matters and trace elements, so that the biopesticide has excellent fertilizer efficiency, is a biopesticide with market potentials, and is particularly effective in preventing and treating bradysia hygida.
Description
Technical field
The present invention relates to a kind of biopesticide of preventing and treating Bradysia fungus gnat, relate to its preparation technology simultaneously, belong to field of biological pesticide.
Background technology
Bradysia fungus gnat (
bradysia odoriphagayang et Zhang) larva is commonly called as fragrant-flowered garlic maggot, and the whole nation that distributes, is the important pests on leek.Except causing harm leek, the green onion of also causing harm, garlic, flowers and Chinese herbal medicine etc.Be gathered in the bulb of leek and tender stem causes harm with larva.First the cause harm upper end of leaf sheath base and bulb of larva; The spring and autumn tender stem of mainly causing harm, causes rhizome to rot; When summer temperature is high, larva moves down, and the leek bulb of causing harm causes whole bulb to rot, and when serious, whole pier leek is withered.
Leek is the mankind's important vegetables, but vegetables quality Examined shows for many years: residue of pesticide exceed standard seriously, makes consumer health be subject to grave danger.The residual main cause exceeding standard of leek agriculture is, Bradysia odoriphaga breeding is fast, difficulty of prevention and cure is large, the excessive use agricultural chemicals of vegetable grower, and even Misuse limits and prevents and treats Bradysia fungus gnat with high-toxic pesticide.Therefore the biopesticide control Bradysia odoriphaga of developing low toxicity highly-effective low-residue is very urgent.
Along with developing rapidly of organic farming, comprehensively the quitting listing of the high-toxic pesticides such as organic phosphor, the development of biopesticide welcomes new historic opportunities, the market share of biopesticide from 2006 1% till now more than 5%, and keep very swift and violent growth.
At present, in the agricultural chemicals of control Bradysia odoriphaga, mainly taking chemical pesticides such as organic phosphor, fluorine pyridine ureas as main, owing to there is no ideal biological agricultural chemicals, the residue of pesticide of leek exceed standard seriously.
Summary of the invention
The present invention is in order to solve at present in control Bradysia odoriphaga, the excessive use chemical pesticide of vegetable grower, and even Misuse limits with high-toxic pesticide, causes residue of pesticide to exceed standard seriously, makes consumer health be subject to grave danger.The biopesticide poor effect of preventing and treating Bradysia odoriphaga on market now, price is high, and what vegetable grower used lacks.
Technical scheme of the present invention is as follows:
For the technical scheme that solves technical problem employing of the present invention is: make biopesticide of granule and preparation method thereof with buttercup extract and avermectin slag, its step is as follows:
Buttercup is ground into 100 order-200 object powder, puts into extractor after weighing, extract twice, pour for the first time 55% alcohol of 6 times of amounts into, 60 DEG C of water-baths 60 minutes, then have children outside the state plan ripple and extract 15 minutes, filter;
For the second time buttercup filter residue is poured into 75% alcohol of 4 times of amounts, 60 DEG C of water-baths 30 minutes, then have children outside the state plan ripple and extract 15 minutes, filter; Through test, the recovery rate of buttercup herb is 22%-28%;
Merge above-mentioned twice filtrate, be adjusted to 50 DEG C of vacuum-concentrcteds to paste;
Buttercup condensed cream water is deployed into the extraction aqueous solution of 200g/L;
Above-mentioned buttercup is extracted in the aqueous solution and adds avermectin slag, mix, wherein, after the dry matter weight in the buttercup extraction aqueous solution accounts for and mixes, the mass percent of dry matter weight is 1.6-10%; Utilize wet granulation, at the temperature of 60--80 DEG C, be dried, sieve, make into the particle of 0.5-2mm.
Described avermectin slag is that the after fermentation liquid that ferment in the process of fermentation preparation Avermectin filters the filter residue of generation.
Buttercup (
ranunculus japonicusthunb.) be one of medicinal plant of early utilizing of China, all there is distribution all parts of the country, and source is abundant, and buttercup has wind-expelling pain-stopping, desinsection removing toxic substances, moves back the multiple efficacies of screen, preventing malaria.Buttercup herb extract (main component protoanemonin) has good toxic action to fungus gnat, diamond-back moth, acarid etc.
Nitrogen in avermectin slag fertilizer, phosphorus, potassium total content reach more than 9%; The content of organic matter (with dry weight basis) reaches more than 54%, adds after buttercup extract, can improve soil, can prevent and treat again Bradysia fungus gnat, reaches non-harmful object.
The present invention, through screening test for many years, finds to make with buttercup extract and avermectin slag the biopesticide of granule, for prevent and treat Bradysia odoriphaga, ginger Pnyxia scabiei (
pnyxia scabieihopkins) successful, has effect of fertilizer concurrently, pollution-free, noresidue, abundant raw material, good market prospects.
The present invention adopts excusing from death ripple to extract in the leaching process of buttercup extract, faster than the speed of traditional refluxing extraction, recovery rate is higher, more easily operation in suitability for industrialized production.
Simultaneously, the present invention, in granulation process, does not add other any chemical substance, and the biopesticide of gained does not have artificial chemicals composition, effective, toxicity is low, noresidue, do not develop immunity to drugs, environmentally friendly, be the rare insecticide without chemical addition agent.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
Buttercup herb is ground into 100 order-200 object powder, takes 2 kilograms of powder and put into extractor, pour 55% the alcohol of 12 liters into, 60 DEG C of water-baths 60 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use; Buttercup filter residue is poured into 8 liter of 75% alcohol, 60 DEG C of water-baths 30 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use again.Merge above twice alcoholic extract, sucked in vacuum decompressioning and concentrating tank, temperature is adjusted to 50 DEG C, is concentrated into paste, about 0.5 liter.Buttercup condensed cream is taken out from concentration tank, with 2.5 premium on currency washing concentrating tanks, and cleaning solution is poured in buttercup condensed cream, be deployed into the aqueous solution of 200g/L; Get the avermectin slag that every extract preparing 1L is added to 2 kilograms, utilize wet granulation, after particle is made, at the temperature of 60--80 DEG C, be dried, sieve, obtain the particle of 0.5-2mm.
Embodiment 2
Buttercup herb is ground into 100 order-200 object powder, takes 2 kilograms of powder and put into extractor, pour 55% the alcohol of 12 liters into, 60 DEG C of water-baths 60 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use; Buttercup filter residue is poured into 8 liter of 75% alcohol, 60 DEG C of water-baths 30 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use again.Merge above twice alcoholic extract, sucked in vacuum decompressioning and concentrating tank, temperature is adjusted to 50 DEG C, is concentrated into paste, about 0.5 liter.Buttercup condensed cream is taken out from concentration tank, with 2.5 premium on currency washing concentrating tanks, and cleaning solution is poured in buttercup condensed cream, be deployed into the aqueous solution of 200g/L; Get the avermectin slag that every extract preparing 1L is added to 10 kilograms, utilize wet granulation, after particle is made, at the temperature of 60--80 DEG C, be dried, sieve, obtain the particle of 0.5-2mm.
Embodiment 3
Buttercup herb is ground into 100 order-200 object powder, takes 2 kilograms of powder and put into extractor, pour 55% the alcohol of 12 liters into, 60 DEG C of water-baths 60 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use; Buttercup filter residue is poured into 8 liter of 75% alcohol, 60 DEG C of water-baths 30 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use again.Merge above twice alcoholic extract, sucked in vacuum decompressioning and concentrating tank, temperature is adjusted to 50 DEG C, is concentrated into paste, about 0.5 liter.Buttercup condensed cream is taken out from concentration tank, with 2.5 premium on currency washing concentrating tanks, and cleaning solution is poured in buttercup condensed cream, be deployed into the aqueous solution of 200g/L; Get the avermectin slag that every extract preparing 1L is added to 12.5 kilograms, utilize wet granulation, after particle is made, at the temperature of 60--80 DEG C, be dried, sieve, obtain the particle of 0.5-2mm.
embodiment 4
Buttercup herb is ground into 100 order-200 object powder, takes 2 kilograms of powder and put into extractor, pour 55% the alcohol of 12 liters into, 60 DEG C of water-baths 60 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use; Buttercup filter residue is poured into 8 liter of 75% alcohol, 60 DEG C of water-baths 30 minutes, then have children outside the state plan ripple and extract 15 minutes, filter out alcoholic extract for subsequent use again.Merge above twice alcoholic extract, sucked in vacuum decompressioning and concentrating tank, temperature is adjusted to 50 DEG C, is concentrated into paste, about 0.5 liter.Buttercup condensed cream is taken out from concentration tank, with 2.5 premium on currency washing concentrating tanks, and cleaning solution is poured in buttercup condensed cream, be deployed into the aqueous solution of 200g/L; Get the avermectin slag that every extract preparing 1L is added to 5 kilograms, utilize wet granulation, after particle is made, at the temperature of 60--80 DEG C, be dried, sieve, obtain the particle of 0.5-2mm.
the test of pesticide effectiveness
Experimental group adopts the embodiment of the present invention 2 to be prepared into moral buttercup avermectin slag granule with the consumption of 10 kilograms every mu,, respectively imposes 1 time in conjunction with watering or rainy season in early March and early September.
Control group adopts the conventional pesticide chlopyrifos particle of control fungus gnat at present, uses according to conventional using method.And use water as blank test.
Test drug effect is shown as follows:
buttercup extract and the present invention comparative efficacy test to Bradysia odoriphaga
2 days corrected mortalities 55.3% after 2% buttercup avermectin slag granule medicine in embodiment 2,4 days corrected mortalities 78.5% after medicine, 6 days corrected mortalities 96.2% after medicine.
And the corrected mortality of 2.5% buttercup extract, 2 days (48 hours) 29.4% after medicine, 4 days (96 hours) 40.3% after medicine.
Can find out from above test data, the present invention increases significantly to the drug effect of Bradysia fungus gnat than buttercup extract.
Claims (3)
1. a biopesticide of preventing and treating Bradysia fungus gnat, is characterized in that, is prepared from by following methods:
Get buttercup and be ground into 100 order-200 object powder, put into extractor after weighing, extract twice, pour for the first time 55% alcohol of 6 times of amounts into, 60 DEG C of water-baths 60 minutes, then have children outside the state plan ripple and extract 15 minutes, filter;
For the second time buttercup filter residue is poured into 75% alcohol of 4 times of amounts, 60 DEG C of water-baths 30 minutes, then have children outside the state plan ripple and extract 15 minutes, filter; Through test, the recovery rate of buttercup herb is 22%-28%;
Merge above-mentioned twice filtrate, be adjusted to 50 DEG C of vacuum-concentrcteds to paste;
Buttercup condensed cream water is deployed into the extraction aqueous solution of 200g/L;
Above-mentioned buttercup is extracted in the aqueous solution and adds avermectin slag, mix, wherein, after the dry matter weight in the buttercup extraction aqueous solution accounts for and mixes, the mass percent of dry matter weight is 1.6-10%; Utilize wet granulation, at the temperature of 60--80 DEG C, be dried, sieve, make into the particle of 0.5-2mm.
2. biopesticide according to claim 1, is characterized in that, after the dry matter weight in the described buttercup extraction aqueous solution accounts for and mixes, the mass percent of dry matter weight is 2%.
3. biopesticide according to claim 1, is characterized in that, described avermectin slag is that the after fermentation liquid that ferment in the process of fermentation preparation Avermectin filters the filter residue of generation.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232095A (en) * | 2014-08-25 | 2014-12-24 | 青岛瀚普生物科技有限公司 | Biological type nematode-preventing soil conditioner and preparation method thereof |
| CN104604962A (en) * | 2015-01-26 | 2015-05-13 | 王春爱 | Composition for preventing and controlling bradysia odoriphaga yang et zhang larvae |
| CN105272695A (en) * | 2015-10-12 | 2016-01-27 | 山东省农业科学院植物保护研究所 | Plant source biological medicinal fertilizer for control of bradysia odoriphaga and preparation method thereof |
| CN105638762A (en) * | 2016-01-15 | 2016-06-08 | 山东省农业科学院植物保护研究所 | Biopesticide for preventing and treating lycoriella pleuroti Yang et Zhang and preparing method thereof |
| CN108329112A (en) * | 2018-03-30 | 2018-07-27 | 内蒙古拜克生物有限公司 | A kind of medicine fertilizer and preparation method thereof containing avermectin |
| CN109757524A (en) * | 2019-03-13 | 2019-05-17 | 山东省农业科学院农业资源与环境研究所 | Application and composition of the arasaponin in prevention and treatment bradysia odoriphaga |
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| CN102674995A (en) * | 2012-05-10 | 2012-09-19 | 石达璘 | Production method of special organic biological nutrient disease-resistant insecticidal vegetable and fruit tree fertilizer |
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| CN102674995A (en) * | 2012-05-10 | 2012-09-19 | 石达璘 | Production method of special organic biological nutrient disease-resistant insecticidal vegetable and fruit tree fertilizer |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232095A (en) * | 2014-08-25 | 2014-12-24 | 青岛瀚普生物科技有限公司 | Biological type nematode-preventing soil conditioner and preparation method thereof |
| CN104604962A (en) * | 2015-01-26 | 2015-05-13 | 王春爱 | Composition for preventing and controlling bradysia odoriphaga yang et zhang larvae |
| CN104604962B (en) * | 2015-01-26 | 2018-08-28 | 山东乡村之光农业科技发展有限公司 | A kind of composition of prevention Bradysia fungus gnat larva |
| CN105272695A (en) * | 2015-10-12 | 2016-01-27 | 山东省农业科学院植物保护研究所 | Plant source biological medicinal fertilizer for control of bradysia odoriphaga and preparation method thereof |
| CN105638762A (en) * | 2016-01-15 | 2016-06-08 | 山东省农业科学院植物保护研究所 | Biopesticide for preventing and treating lycoriella pleuroti Yang et Zhang and preparing method thereof |
| CN105638762B (en) * | 2016-01-15 | 2018-03-02 | 山东省农业科学院植物保护研究所 | A kind of biological pesticide for preventing and treating the strict eye fungus gnat of flat mushroom and preparation method thereof |
| CN108329112A (en) * | 2018-03-30 | 2018-07-27 | 内蒙古拜克生物有限公司 | A kind of medicine fertilizer and preparation method thereof containing avermectin |
| CN108329112B (en) * | 2018-03-30 | 2021-04-09 | 内蒙古拜克生物有限公司 | Pesticide fertilizer containing abamectin and preparation method thereof |
| CN109757524A (en) * | 2019-03-13 | 2019-05-17 | 山东省农业科学院农业资源与环境研究所 | Application and composition of the arasaponin in prevention and treatment bradysia odoriphaga |
| CN109757524B (en) * | 2019-03-13 | 2020-12-01 | 山东省农业科学院农业资源与环境研究所 | Application of panax notoginseng saponins in preventing and treating Chinese chive maggots and composition |
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| CN103931678B (en) | 2015-11-18 |
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