CN102369957B - Multi-effect biological pesticide aqueous solution agent and preparation method and application thereof - Google Patents
Multi-effect biological pesticide aqueous solution agent and preparation method and application thereof Download PDFInfo
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a multi-effect biological pesticide aqueous solution agent and a preparation method thereof. The multi-effect biological pesticide aqueous solution agent is characterized in that the agent contains 5-50 percent of pesticide active ingredient plant essence oil, 5-50 percent of simple organic carboxylic acid with a synergistic effect, 5-50 percent of pesticide assistant and 10-85 percent of water, wherein the plant essence oil is one or a mixture of wintergreen oil, camphor tree oil, clove oil, peppermint oil, eucalyptus oil, citionella oil, tea tree oil, lemongrass oil and cinnamon oil, the simple organic carboxylic acid with the synergistic effect is one or a mixture of formic acid, acetic acid and propionic acid, and the pesticide assistant is one or a mixture of dodecylbenzene sulfonic acid, Tween-80, Span-80 and OP-10. The agent can be used for insect killing, insect expelling, sterilization and antivirus in mosquito repelling, family agriculture, family flowering, organic agriculture and green agriculture.
Description
Technical field
The invention belongs to technical field of pesticide preparations, be specially a kind of multiple-effect biological aqueous pesticide solution and its preparation method and application.
Background technology
Biopesticide is the measure of most widely used general, application area maximum in biological control.The biopesticide of China comprises farm antibiotics, microbial pesticide (bacterium, fungi, virus etc.), botanical pesticide, biochemical pesticides, natural enemy biology etc.The application of China's biopesticide has good basis, and once developed rapidly the eighties in 20th century to the nineties, in the integrated control of the crop disease and insects such as paddy rice, wheat, cotton, corn, fruit tree, vegetables, brought into play important function.But along with the fast development of pesticide industry, and governments at all levels are to integrated control weakening of biological control policy support dynamics particularly, enter after 21 century, and the application of China's biopesticide has entered the stage of slow development or even stagnation.Current, people more and more pay attention to protection of the environment, ecology and harmonious sustainable development, have proposed the theory of " public plant protection, environment protective plant protecting ", and biopesticide is faced with new opportunity to develop.
In the world, biopesticide market growth is rapid, and sales volume accounts for 20% left and right (2000) of whole agricultural chemicals; Wherein, farm antibiotics is a topmost class in biopesticide, accounts for 90% of biopesticide sales volume.China's diseases and pests of agronomic crop is prevented and treated area 41,400,000,000 hectares times throughout the year, and chemical control is topmost prophylactico-therapeutic measures, and the annual 3300-4000 of biological control area ten thousand hectares times, accounts for 8% left and right that prevents and treats the gross area; Biological control area in 2002 is 1,973 ten thousand hectares times, for nearly 10 years minimum; Within 2007, rising to 3,980 ten thousand hectares times, account for and prevent and treat then 82.0% of the gross area, has been the highest time since entering 21 century, but still far below the level of the 20-60% of developed country.The sick worm scope of target that China's biopesticide covers is little.Be subject to the impact of the factors such as research and development and application technology level, the kind of China's biopesticide also has limitation, can not cover important crop diseases and pest, control efficiency is also unsatisfactory, when producing the upper integrated control technique system building centered by crop ecological system, usually lack alternative biopesticide kind or biological prevention measure, have influence on the extensive use of biopesticide.Control efficiency is subject to Environmental Factors larger, and quick-acting is poor.Compare with chemical pesticide, biopesticide is had relatively high expectations to operation technique, as it is different from traditional chemical medicament to prevent and treat optimum period, working concentration, access times etc., the factors such as the intensity of sunshine between the operating period, temp. and humidity, crop growth phase, field microclimate also can affect the normal performance of drug effect.In use there is the slow-footed feature of desinsection in microorganism formulation, compares with quick-acting chemical pesticides, is applied to the susceptible death of insect and conventionally wants the 2-3d time, and crop still can slightly be caused harm, and peasant is difficult to accept.Commodity is poor.Often there is quality and the unsettled problem of preventive effect in biopesticide especially microorganism formulation kind, storage-life is short, causes the enthusiasm of plant protection technology personnel and dealer's popularization and sale biopesticide not high.Because the production scale of most of kinds is relatively little, output is few, deficiency in economic performance, and price is relatively higher, and the enthusiasm that manufacturing enterprise's research and development and peasant buy use is not high.
The problem existing for above biopesticide, the present invention be take plants essential oil as active component, take simple organic carboxyl acid as synergist, the agricultural chemicals of manufacturing, not only effective, quick-acting is fast, and there is regulating crop growth, desinsection expelling parasite, sterilizing and anti-virus and the multiple efficacies that crop alimentary is provided, especially take water as solvent, select the insecticides adjuvant that safety is good, the preparation making reaches nanoscale aqueous emulsion or molecular level solubility aqua, safety and environmental protection not only, and due to emulsify well, produce good quick-acting drug effect, be particularly suitable for the higher family's mosquito repellent of security requirement, family's agricultural, home flower and organic farming, the growth regulation of green agriculture product, nutrition is provided, application in desinsection expelling parasite and sterilizing and anti-virus.
Summary of the invention
The problem existing for above biopesticide, the invention provides a kind of multiple-effect biological aqueous pesticide solution, be particularly suitable for the higher family's mosquito repellent of security requirement, family agricultural, home flower and organic farming, green agriculture product growth regulation, the application in nutrition, desinsection expelling parasite and sterilizing and anti-virus is provided.
Take plants essential oil as active component, take simple organic carboxyl acid as synergist, the agricultural chemicals of manufacture, not only effective, quick-acting is fast, and has regulating crop growth, desinsection expelling parasite, sterilizing and anti-virus and the multiple efficacies of crop alimentary is provided, and especially take water as solvent, select the insecticides adjuvant that safety is good, the preparation making reaches nanoscale aqueous emulsion or molecular level solubility aqua, safety and environmental protection not only, and due to emulsify well, produce good quick-acting drug effect
For this reason, the present invention takes following technical scheme: a kind of multiple-effect biological aqueous pesticide solution and preparation method thereof, it is characterized in that containing pesticide activity component plants essential oil 5-50%, the simple organic carboxyl acid 5-50% with synergistic effect, insecticides adjuvant 5-50%, water 10-85%, described plants essential oil is wintergreen, camphor tree oil, caryophyllus oil, peppermint oil, eucalyptus oil, citronella oil, tea oil, one or more mixtures of lemongrass oil or cinnamon oil, the described simple organic carboxyl acid with synergistic effect is formic acid, acetic acid, one or more mixtures of propionic acid, described insecticides adjuvant is DBSA, Tween-80, one or more mixtures of Span-80 (SPAN) or 0P-10.
Described plants essential oil content is 9-34%, preferably 10-30%.
The described simple organic carboxyl acid content with synergistic effect is 6-15%, preferably 10-15%.
Described insecticides adjuvant content is 10-25%, preferably 10-20%.
A preparation method for multiple-effect biological aqueous pesticide solution, comprises following production stage:
1) simple organic carboxyl acid is under agitation dissolved in water completely, forms the organic carboxyl acid aqueous solution of homogeneous;
2) add insecticides adjuvant, stir completely and dissolve;
3) will plants essential oil be joined in above-mentioned solution gradually the continuous stirring in the situation that, till being stirred to liquid-transparent, form nano level plant essential oil emulsion or molecular level transparency liquid.
Above-mentioned multiple-effect biological aqueous pesticide solution can be in desinsection, expelling parasite and the sterilization of mosquito repellent, family agricultural, flowers and organic farming and green agriculture, application in antiviral.
The present invention be take plants essential oil as active component, take simple organic carboxyl acid as synergist, the agricultural chemicals of manufacture, not only effective, quick-acting is fast, and has regulating crop growth, desinsection expelling parasite, sterilizing and anti-virus and the multiple efficacies of crop alimentary is provided, and especially take water as solvent, select the insecticides adjuvant that safety is good, the preparation making reaches nanoscale aqueous emulsion or molecular level solubility aqua, safety and environmental protection not only, and due to emulsify well, produce good quick-acting drug effect
Embodiment
Now, in conjunction with embodiments of the invention and the test of pesticide effectiveness, further illustrate effect of the present invention.In present specification, percentage composition is weight percentage.
Embodiment 1
In 1000L reactor, drop into water 435kg, under constantly stirring, add gradually organic carboxyl acid formic acid 15kg, after dissolving, add 25kg emulsifier DBSA, after stirring and dissolving, add plants essential oil wintergreen 25kg, be stirred to transparent till, finished product plants essential oil aqueous emulsion.
Embodiment 2
In 1000L reactor, drop into water 370kg, under constantly stirring, add gradually organic carboxyl acid formic acid 30kg, after dissolving, add 50kg emulsifier tween-80, after stirring and dissolving, add plants essential oil camphor tree oil 50kg, be stirred to transparent till, finished product plants essential oil aqueous emulsion.
Embodiment 3
In 1000L reactor, drop into water 300kg, under constantly stirring, add gradually organic carboxyl acid acetic acid 50kg, after dissolving, add 75kg emulsifier Span-80, after stirring and dissolving, add plants essential oil caryophyllus oil 75kg, be stirred to transparent till, finished product plants essential oil aqueous emulsion.
Embodiment 4
In 1000L reactor, drop into water 130kg, under constantly stirring, add gradually organic carboxyl acid 250kg (formic acid 150kg+ acetic acid 100kg), after dissolving, add 75kg emulsifier 0P-10, after stirring and dissolving, add plants essential oil peppermint oil 45kg, be stirred to transparent till, finished product plants essential oil aqueous emulsion.
Embodiment 5
In 1000L reactor, drop into water 225kg, under constantly stirring, add gradually organic carboxyl acid 50kg (propionic acid 10kg+ acetic acid 40kg), after dissolving, add 100kg composite pesticide auxiliary agent (Span-80 50kg+ Tween-80 50kg), after stirring and dissolving, add plants essential oil eucalyptus oil 125kg, be stirred to transparent till, finished product plants essential oil aqueous emulsion.
Embodiment 6
In 1000L reactor, drop into water 150kg, under constantly stirring, add gradually organic carboxyl acid 75kg (formic acid 10kg+ propionic acid 20kg+ acetic acid 45kg), after dissolving, add 125kg composite pesticide auxiliary agent (Span-80 50kg+ Tween-80 50kg+OP-10 25kg), after stirring and dissolving, add plants essential oil citronella oil 150kg, be stirred to transparent till, finished product plants essential oil aqueous emulsion.
Embodiment 7
In 1000L reactor, drop into water 125kg, under constantly stirring, add gradually organic carboxyl acid 75kg (formic acid 10kg+ propionic acid 20kg+ acetic acid 45kg), after dissolving, add 50kg composite pesticide auxiliary agent (Span-80 20kg+ Tween-80 20kg+OP-10 10kg), after stirring and dissolving, add plants essential oil tea oil 250kg, be stirred to transparent till, finished product plants essential oil aqueous emulsion.
Embodiment 8
In 1000L reactor, drop into water 50kg, under constantly stirring, add gradually organic carboxyl acid 30kg (formic acid 10kg+ propionic acid 10kg+ acetic acid 10kg), after dissolving, add 250kg composite pesticide auxiliary agent (Span-80 100kg+ Tween-80 50kg+OP-10 100kg), after stirring and dissolving, add plants essential oil 170kg (wintergreen 10kg+ camphor tree oil 20kg+ caryophyllus oil 20kg+ peppermint oil 30kg+ eucalyptus oil 30kg+ citronella oil 30kg+ tea oil 30kg), be stirred to transparent till, finished product plants essential oil aqueous emulsion.
The control agricultural disease effect of above-described embodiment 1-8 is below described by test
The result of the test table of 9 kinds of diseases of table 1 embodiment 1-8 control (preventive effect %, effectively essential oil amount is 500mg/L)
Table 1 shows, by the agricultural disease to a large amount of, carry out screening active ingredients test, can find out that essential oil is not that all agricultural diseases are had to active function, just for wherein seldom a part of disease is effective, and in effective germ, because the different active size differences that show different from crop of disease species are very large, in present patent application file, disclosed 9 kinds of diseases are all to find that through a large amount of screening tests undocumented is all that control does not have resultful germ with the resultful agriculture germ of this disinfectant use in agriculture control.
Table 2. control tea tree tetranychid result of the test (concentration for the treatment of is essential oil content 750mg/L, proofreaies and correct preventive effect (%))
| Process | After medicine 1 day | After medicine 3 days | After medicine 7 days | After medicine 14 days | After medicine 21 days |
| Embodiment 1 | 32.4 | 48.9 | 80.2 | 92.4 | 80.2 |
| Embodiment 2 | 37.4 | 49.5 | 82.5 | 93.5 | 81.2 |
| Embodiment 3 | 38.5 | 51.0 | 83.6 | 90.1 | 82.5 |
| Embodiment 4 | 41.0 | 52.6 | 85.5 | 87.5 | 80.0 |
| Embodiment 5 | 40.3 | 54.6 | 84.7 | 89.2 | 78.5 |
| Embodiment 6 | 38.5 | 53.2 | 86.9 | 92.5 | 79.4 |
| Embodiment 7 | 39.4 | 55.8 | 88.2 | 94.5 | 85.4 |
| Embodiment 8 | 42.0 | 58.7 | 90.1 | 95.0 | 88.2 |
Table 3. control tealeaves aphid result of the test (concentration for the treatment of is essential oil content 750mg/L)
Table 2-3 data show: embodiment 1-8 all has good effect to control tealeaves aphid, and the control efficiency of embodiment 1-8 does not have significant difference.Embodiment 1-8 extension rate is advisable with activity component concentration 750mg/L.
Table 4 embodiment 1-8 prevents and treats tealeaves false eye leafhopper effect (essential oil concentration 500mg/L)
The result of the test of table 4 shows, embodiment 1-8 has higher control efficiency to false eye leafhopper insect at activity component concentration 500mg/L, and embodiment 1-8 extension rate is advisable with active component 500mg/L.
Table 5 embodiment 1-8 prevents and treats wild cabbage diamond-back moth effect (essential oil concentration 500mg/L)
Table 6 embodiment 1-8 prevents and treats cabbage pieris effect (essential oil concentration 500mg/L)
Table 7 embodiment 1-8 prevents and treats wild cabbage Bemisia tabaci effect (essential oil concentration 500mg/L)
Table 5-7 result of the test show, embodiment 1-8 has higher control efficiency to pest such as Bemisia tabaci, diamond-back moth, cabbage caterpillars at activity component concentration 500mg/L.
Below by test, illustrate that embodiment 1-8 is for sanitary insect pest effect
Test examination worm: culex pipiens fatigans, after sprouting wings, 2-3 days female adults are totally 115; Housefly, the 4th day adult after sprouting wings, totally 128 of male and female half and half; Cockroach, two week age adult, totally 106 of male and female half and half.
Experimental condition: 26 ± 1 ℃ of temperature, 60 ± 5 ℃ of relative moisture.
Simulated field: area 10m
2, height 2.8m, ground white ceramic tiles, ceiling and surroundings wall are sealed transparent glass.
Table 8 embodiment 1-8 knocks down and lethal result of the test culex pipiens fatigans
| Process | KT 50(min) | 24h lethality (%) | 24h rate of knockdown (%) |
| Embodiment 1 | 5.6 | 90.0 | 92.0 |
| Embodiment 2 | 4.6 | 92.5 | 93.4 |
| Embodiment 3 | 4.5 | 93.4 | 95.6 |
| Embodiment 4 | 4.6 | 93.0 | 94.6 |
| Embodiment 5 | 3.5 | 95.6 | 96.5 |
| Embodiment 6 | 3.2 | 96.8 | 98.2 |
| Embodiment 7 | 3.1 | 97.2 | 98.5 |
| Embodiment 8 | 1.9 | 99.4 | 99.8 |
Table 9 embodiment 1-8 knocks down and lethal result of the test housefly
| Process | KT 50(min) | 24h lethality (%) | 24h rate of knockdown (%) |
| Embodiment 1 | 4.5 | 82.5 | 85.6 |
| Embodiment 2 | 4.2 | 85.6 | 87.9 |
| Embodiment 3 | 4.0 | 86.6 | 88.9 |
| Embodiment 4 | 4.1 | 87.8 | 89.8 |
| Embodiment 5 | 3.5 | 89.9 | 92.4 |
| Embodiment 6 | 3.2 | 92.2 | 95.6 |
| Embodiment 7 | 3.0 | 93.4 | 96.5 |
| Embodiment 8 | 3.0 | 98.4 | 98.8 |
The beneficial effect of above-mentioned female mosquito olfaction disrupter composition is below described by test.
Test 1: test method detects mosquito density with reference to GB13917.8-1992 field condition, adopts people to lure method investigation mosquito density.In each experiment room, arrange 2 fixing investigators (determine people, fixed point, regularly), experimenter has drawn 2 trouser legs to knee and has exposed skin, with flashlight lighting, 45min catches and stops dropping on the mosquito on exposed leg with electric mosquito-suction device continuously, identifies subsequently and record quantity, sex and the kind of mosquito.Mosquito density rate of descent (%)=1-experiment mosquito density/blank room, room mosquito density.Result of the test is in Table 10.
As seen from Table 1, after the product that use embodiment 1-7 makes, mosquito density obviously declines to a great extent, mosquito density rate of descent all reaches more than 80%, wherein embodiment 1 and embodiment 7 are up to more than 90%, embodiment 2-6 mosquito density rate of descent is all over 80%, reach the effect of traditional mosquito-repellent incense, embodiment 1 and embodiment 7 are significantly better than the effect of traditional mosquito-repellent incense.
Test 2: test method is with reference to GB13917.8-1992; the Culex quinquefasciatus of use laboratory and field-collected strains tests and on-the-spot people lures biting test; with reference to GB13917.4-92, adopt the field-collected strains Culex quinquefasciatus worm of collection in worksite to measure with on-the-spot people and lure method observation bite by mosquitos number and embodiment 1-7 to make the protection effect of product at the rear 2-3d of laboratory rearing emergence.Mosquito density rate of descent (%)=1-experiment mosquito density/blank room, room mosquito density.
Test 3: subjects is 20 people, on average everyone is by mosquito bite 5 times, totally 100 person-times, after mosquito bite, use immediately the product spraying that embodiment 1-7 makes to smear affected part 5cm diameter range, and start timing, the detumescence person-time after antipruritic person-time and 10 minutes of adding up respectively 1 minute, computational methods: antipruritic percentage=antipruritic person-time/total statistics person-time * 100; Detumescence percentage=detumescence person-time/always add up person-time * 100.
Table 10 embodiment 1-8 is bitten effect and antipruritic effect to mosquito density rate of descent, prevention
From table 10 result, use after the product that embodiment 1-8 makes mosquito density rate of descent all over 85%, illustrate that repelling effect is good; Meanwhile, bite by mosquitos number of times significantly reduces, and protection effect all reaches more than 90%, and especially the protection effect of embodiment 8 reaches more than 99%.The product spraying that use embodiment 1-7 makes is smeared antipruritic effect after 1 minute and is surpassed 62%, 10 minute detumescence effect all over 63%.
Claims (2)
1. a multiple-effect biological pesticide emulsion in water, it is characterized in that by pesticide activity component plants essential oil 170kg, the simple organic carboxyl acid 30kg with synergistic effect, insecticides adjuvant 250kg, water 50kg forms, described plants essential oil is wintergreen 10kg, camphor tree oil 20kg, caryophyllus oil 20kg, peppermint oil 30kg, eucalyptus oil 30kg, citronella oil 30kg, the mixture of tea oil 30kg, the described simple organic carboxyl acid with synergistic effect is formic acid 10kg, the mixture of propionic acid 10kg and acetic acid 10kg, described insecticides adjuvant is Span-80 100kg, Tween-80 50kg, the mixture of OP-10 100kg.
2. a purposes for multiple-effect biological pesticide emulsion in water according to claim 1, is characterized in that desinsection, expelling parasite and sterilization in mosquito repellent, family's agricultural, flowers, organic farming and green agriculture, the application in antiviral.
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