CN104770406A - Botanical herbicide based on eucalyptus leaf oil - Google Patents
Botanical herbicide based on eucalyptus leaf oil Download PDFInfo
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- CN104770406A CN104770406A CN201410017134.4A CN201410017134A CN104770406A CN 104770406 A CN104770406 A CN 104770406A CN 201410017134 A CN201410017134 A CN 201410017134A CN 104770406 A CN104770406 A CN 104770406A
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- eucalyptus oil
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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
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Abstract
The invention discloses a compound botanical herbicide based on eucalyptus leaf oil, and preparation forms can be environment-friendly missible oil, a soluble concentrate and a microemulsion. Each part of the herbicide contains 5-50% of the eucalyptus leaf oil, 1-20% of artemisinin, 0-20% of an environmentally-friendly solvent, 5-30% of a surfactant, and other auxiliary agent including a synergistic agent and a penetrating agent; the formulation of the microemulsion and the soluble concentrate are added with water to supplement fully besides containing the above raw materials. The botanical synergistic compound herbicide does not contain any chemical pesticide components, has low toxicity to human and livestock, is friendly to the environment, can prevent and treat annual monocotyledonous weeds and broadleaf weeds between the lines of fruit trees, vegetables and flowering plants, and does not cause pollution to soil.
Description
Technical field
The present invention relates to weed killer herbicide, particularly relate to a kind of botanical herbicides.
Background technology
With chemical herbicide have controlling weeds have effective, work efficiency is high, cost is low and the feature such as simple and easy to do, has played positive role in agriculture, rural areas and farmers economy, stable to agricultural, fast, the contribution that develops in a healthy way is huge.But it is lack of standardization greatly because existing in the use and management process of chemical herbicide; the chemical herbicide remained in soil, crop has become the important bottleneck of reform of ecological environment; botanical herbicides Environmental compatibility is good; to agricultural product, person poultry safety; production cost is low, and protection, the improvement of strengthening comprehension improving agroecological environment is had to very strong reality and develops meaning.
Find in the industry have many plants and extract thereof to have herbicide effect, have report display, eucalyptus oil has certain herbicide effect, but has no more detailed report.
Summary of the invention
The present invention is intended to address the aforementioned drawbacks, and provides a kind of botanical herbicides based on eucalyptus oil.Herbicidal effect of the present invention is good, residual few.
For solving the problem, the present invention a kind of botanical herbicides based on eucalyptus oil, it comprises following weight percents:
Eucalyptus oil 5-50%,
Qinghaosu 1-20%,
Environment-friendly type solvent 0 ~ 20%, described environment-friendly type solvent is the one in ethyl acetate, alkyl phthalate, acetone, ethanol, methyl oleate, cyclohexane, dimethyl formamide, cyclohexanone;
Emulsifier, 2-10%, described emulsifier is nonionic emulsifier, anion emulsifier or their Recompounded multielement; Described nonionic emulsifier is the one in EL-60, castor oil polyoxyethylene ether, alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether or aliphatic amine polyoxyethylene ether; Described anion emulsifier is the one in alkyl sulfonic acid calcium salt, fatty alcohol-ether sodium sulfate salt, aralkyl phenol polyethenoxy ether sulfate or alkylphenol polyoxyethylene phosphate;
Wetting agent is 1-10%, and described wetting agent is one or more in organosilicon wetting agent, polyoxyethylene groups alkyl aryl ether, polyoxyethylene alkylether, alkylbenzenesulfonate, alkylnaphthalene sulfonate;
Stabilizing agent 1-5%, described stabilizing agent is that ethyl acetate, epoxidized vegetable oil are as any one or more in epoxidized linseed, epoxidized soybean oil;
Antifreezing agent 1-5%, described antifreezing agent is the one in ethylene glycol, glycerine;
Surplus is carrier, and described carrier is deionized water or running water.
Described a kind of botanical herbicides based on eucalyptus oil, its formulation is the one in soluble concentrate, microemulsion, missible oil.
The preparation method of the described botanical herbicides based on eucalyptus oil: comprise the following steps:
Step is: (1) takes solvent in container; (2) take limit in eucalyptus oil, qinghaosu limit impouring container to stir; (3) take auxiliary agent in container, in limit impouring container, limit stirs; (4) even for above-mentioned mixed liquor homogenizer; (5) take a certain amount of carrier to add under homogenizer in above-mentioned mixed liquor in batches, fully stir evenly under the mixing speed of 50-2500 rev/min, become homogeneous shape, the botanical herbicides of obtained high stability.
The using method of the described botanical herbicides based on eucalyptus oil, gets the water of this weed killer herbicide 1 weight fraction and 20-50 weight portion, fully mixes, be sprayed at top layer, field.
The present invention adopts eucalyptus oil to be principle active component, be aided with qinghaosu, after spraying application on weeds and protoplasm combine, destroy the growing point cell of weeds, affect cell division, cause plant moisture unbalance, hinder the metabolism of organic transport and nitrogen, finally make weeds inside and outside that significant change and withered death occur.After tested, in the situation of dilution 50 times, after 43 hours, the grass cutting blade rate of withering reaches 85%, and old stem stalk chlorosis degree reaches 20%.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail:
The present invention a kind of botanical herbicides based on eucalyptus oil, it comprises following weight percents:
Eucalyptus oil 5-50%,
Qinghaosu 1-20%,
Environment-friendly type solvent 0 ~ 20%, described environment-friendly type solvent is the one in ethyl acetate, alkyl phthalate, acetone, ethanol, methyl oleate, cyclohexane, dimethyl formamide, cyclohexanone;
Emulsifier, 2-10%, described emulsifier is nonionic emulsifier, anion emulsifier or their Recompounded multielement; Described nonionic emulsifier is the one in EL-60, castor oil polyoxyethylene ether, alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether or aliphatic amine polyoxyethylene ether; Described anion emulsifier is the one in alkyl sulfonic acid calcium salt, fatty alcohol-ether sodium sulfate salt, aralkyl phenol polyethenoxy ether sulfate or alkylphenol polyoxyethylene phosphate;
Wetting agent is 1-10%, and described wetting agent is one or more in organosilicon wetting agent, polyoxyethylene groups alkyl aryl ether, polyoxyethylene alkylether, alkylbenzenesulfonate, alkylnaphthalene sulfonate;
Stabilizing agent 1-5%, described stabilizing agent is that ethyl acetate, epoxidized vegetable oil are as any one or more in epoxidized linseed, epoxidized soybean oil;
Antifreezing agent 1-5%, described antifreezing agent is the one in ethylene glycol, glycerine;
Surplus is carrier, and described carrier is deionized water or running water.
Following each embodiment all represents each amounts of components with parts by weight
Embodiment 1
The preparation of 5% eucalyptus oil microemulsion
Preparation method: (1) takes cyclohexane solvent 20 parts in container;
(2) take eucalyptus oil 5 parts, qinghaosu 8 parts, in limit impouring container, limit stirs;
(3) take castor oil polyoxyethylene ether 8 parts, organosilicon 5 parts, 3 parts, ethyl acetate, carrene 1 part in container, in limit impouring container, limit stirs;
(4) even for above-mentioned mixed liquor homogenizer;
(5) take 50 parts, carrier running water to add under homogenizer in above-mentioned mixed liquor in batches, fully stir evenly under the mixing speed of 1000 revs/min, become homogeneous shape, obtained 5% eucalyptus oil microemulsion.
Embodiment 2
The preparation of 8% eucalyptus oil microemulsion
Preparation method: (1) takes solvent dimethylformamide 30 parts in container;
(2) take eucalyptus oil 8 parts, qinghaosu 5 parts, in limit impouring container, limit stirs;
(3) take fatty alcohol-ether sodium sulfate salt 4 parts, alkylnaphthalene sulfonate 3 parts, isopropyl phosphoric acid ester 3 parts, ethylene glycol 2 parts in container, in limit impouring container, limit stirs;
(4) even for above-mentioned mixed liquor homogenizer;
(5) take 45 parts, carrier running water to add under homogenizer in above-mentioned mixed liquor in batches, fully stir evenly under the mixing speed of 1500 revs/min, become homogeneous shape, obtained 8% eucalyptus oil microemulsion.
Embodiment 3
The preparation of 10% eucalyptus oil microemulsion
Preparation method: (1) takes alkyl phthalate solvent 30 parts in container;
(2) take eucalyptus oil 10 parts, qinghaosu 12 parts, in limit impouring container, limit stirs;
(3) take alkylphenol polyoxyethylene 2 parts, polyoxyethylene groups alkyl aryl ether 1 part, isopropyl phosphoric acid ester 1 part, glycerine 1 part in container, in limit impouring container, limit stirs;
(4) even for above-mentioned mixed liquor homogenizer;
(5) take 43 parts, carrier running water to add under homogenizer in above-mentioned mixed liquor in batches, fully stir evenly under the mixing speed of 1800 revs/min, become homogeneous shape, obtained 10% eucalyptus oil microemulsion.
5% eucalyptus oil microemulsion management of weeds test of embodiment 1
Test reference standard " NY-T 1155.4-2006 farm-chemical indoor determination test rule " is implemented.
Test soil: the content of organic matter 3%, pH7.0, what air permeability was good sieve air-dry sandy soil earth.
Weeds: adopt diameter 16cm, the polypots of high 12cm, select the representative susceptible weeds being easy to cultivate, breeding time is consistent, its percentage of seedgermination is more than 80%.Test soil is quantitatively filled to 4/5 place of basin alms bowl.Adopt infiltrating irrigation mode bottom basin alms bowl, make soil completely moistening.By pretreated for trying weed seed uniform broadcasting in soil surface, according to seed size earthing 0.5cm ~ 2.0cm, after planting move into greenhouse cellar culture.Weeds laggard seedling in the ranks of emerging determines strain, ensures that weed density is consistent, gross density at 120 strain ~ 150 strain/m2, every basin final singling to 20 strain.According to chemical weeding feature, selection suitable leaf age examination material carries out spraying process, wait trying the medicine liquid spray process of 5% eucalyptus oil microemulsion sample, three various dose prepared by difference Example 1 when material grew to for 2 ~ 4 leaf phase.
Spraying: sprayer unit is AJXP-1098 type auto spraying tower (pressure 0.2MPa, dose 75ml/m2, spray time 30S), carries out spraying process by experimental scheme from low dosage to high dose order.Often process is no less than 4 repetitions, if clear water process is as blank.
Move into hot-house culture after process, weeds are with infiltrating irrigation mode moisturizing bottom basin alms bowl.
7 days " Invest, Then Investigate " each weeds strain numbers and fresh weight, be calculated as follows out each embodiment sample to weed control efficacy.
Computational methods:
Growth inhibition assay: the fresh weight preventive effect or the strain preventive effect that calculate each process, result of calculation retains 2 significant digits.
Fresh weight preventive effect (%)=(contrast weeds acrial part fresh weight-process weeds acrial part fresh weight)/contrast weeds acrial part fresh weight × 100%
Strain preventive effect (%)=(weeds strain number-process weeds strain number)/contrast weeds strain number × 100%
Table 1,5% eucalyptus oil microemulsion preventing weeding weeds effect
8% eucalyptus oil microemulsion management of weeds test of embodiment 2
Test method is with embodiment 4, and the liquid of 8% eucalyptus oil microemulsion sample, three various dose prepared by Example 2 carries out spraying process, to spray clear water for blank.Repeat 4 times, result of the test is in table 2.
Table 2,8% eucalyptus oil microemulsion preventing weeding weeds effect
10% eucalyptus oil microemulsion management of weeds test of embodiment 3
Test method is with embodiment 4, and the liquid of 10% eucalyptus oil microemulsion sample, three various dose prepared by Example 3 carries out spraying process, and take clear water as blank, repeat 4 times, result of calculation is in table 3.
Table 3,10% eucalyptus oil microemulsion preventing weeding weeds effect
The weed killer herbicide of the various embodiments described above adopts gas-chromatography and mass spectrometry and liquid chromatogram, mass spectrometry to analyze, and does not all find various farm chemical ingredients.
Field trial
Three kinds in 3 embodiments botanical herbicides controlling weeds field control effectiveness tests based on eucalyptus oil
Reagent agent: 5% eucalyptus oil microemulsion (A) of embodiment 1,8% eucalyptus oil microemulsion (B) of embodiment 2,10% eucalyptus oil microemulsion (C) of embodiment 3
Controlling object: the weeds such as lamb's-quarters, amur foxtail, the rhizome of nutgrass flatsedge, green foxtail, barnyard grass.
Test process and method: A, B, C all dilute 30 times, and clear water blank is totally 4 process, often process and repeat for 4 times, plot area 30m2, every minizone 50cm intervallum, random district group arranges.
Application method: adopt sprayer (operating pressure 0.3 ~ 0.4MP, the spray orifice bore 0.8mm) dispenser of backpack workers and peasants-16 type, liquid consumption is 675L/hm2.Carry out when dispenser is selected fine, to guarantee after medication 24 hours not precipitation.Recording medicine date and time.
Preventive effect is investigated: 7d, 15d, 30d totally 3 investigation drug effects after medicine, first estimates the herbicidal effect of whole treatment region, homogeneous degree, adopt diagonal 5 point sampling, often some 0.25m before investigation
2, the kind of the residual weeds of investigation and strain number, and significance of difference analysis is carried out to total herbicidal effect, result of calculation is in table 4.
3 kinds, table 4 is based on the botanical herbicides control of maize field weed field control effectiveness test of eucalyptus oil
Note: 1. in table, data are the mean value of 3 repetitions.2., in " significant difference " hurdle, mark identical lowercase person and represent in variance analysis (DMRT method), without significant difference in 5% level; Mark capitalization person represents in variance analysis (DMRT method), without significant difference in 1% level.3. grassy weed comprises caput grass and amur foxtail, and sedge weed comprises the rhizome of nutgrass flatsedge and fescue, and broad leaved weed comprises creeping oxalis and amaranth.
Comprehensive upper table, three Plants source herbicides are in field control grassy weed, sedge weed, broad leaved weed, all show good preventive effect and lasting period, this is determined by the characteristic of plants essential oil, and plant-derived essential oil is complicated, containing hundreds of composition, synergistic effect is played in the interphase interaction of Multiple components just, just can reach the object of fast preventing weeds and constant drug effect, very applicable in economic crops and Organic Food Development, there is very large application and popularization value.
Claims (4)
1. based on a botanical herbicides for eucalyptus oil, it is characterized in that, it comprises following weight percents:
Eucalyptus oil 5-50%,
Qinghaosu 1-20%,
Environment-friendly type solvent 0 ~ 20%, described environment-friendly type solvent is the one in ethyl acetate, alkyl phthalate, acetone, ethanol, methyl oleate, cyclohexane, dimethyl formamide, cyclohexanone;
Emulsifier, 2-10%, described emulsifier is nonionic emulsifier, anion emulsifier or their Recompounded multielement; Described nonionic emulsifier is the one in EL-60, castor oil polyoxyethylene ether, alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether or aliphatic amine polyoxyethylene ether; Described anion emulsifier is the one in alkyl sulfonic acid calcium salt, fatty alcohol-ether sodium sulfate salt, aralkyl phenol polyethenoxy ether sulfate or alkylphenol polyoxyethylene phosphate;
Wetting agent is 1-10%, and described wetting agent is one or more in organosilicon wetting agent, polyoxyethylene groups alkyl aryl ether, polyoxyethylene alkylether, alkylbenzenesulfonate, alkylnaphthalene sulfonate;
Stabilizing agent 1-5%, described stabilizing agent is that ethyl acetate, epoxidized vegetable oil are as any one or more in epoxidized linseed, epoxidized soybean oil;
Antifreezing agent 1-5%, described antifreezing agent is the one in ethylene glycol, glycerine;
Surplus is carrier, and described carrier is deionized water or running water.
2. a kind of botanical herbicides based on eucalyptus oil according to claim 1, is characterized in that, the formulation of described weed killer herbicide is the one in soluble concentrate, microemulsion, missible oil.
3. a preparation method for the botanical herbicides based on eucalyptus oil according to claim 1 and 2, is characterized in that: comprise the following steps:
Step is: according to described proportioning
(1) solvent is taken in container;
(2) take limit in container described in eucalyptus oil, the impouring of qinghaosu limit to stir;
(3) take emulsifier, wetting agent, stabilizing agent and antifreezing agent and be placed in described container, in limit impouring container, limit stirs;
(4) even for above-mentioned mixed liquor homogenizer;
(5) take a certain amount of carrier to add under homogenizer in above-mentioned mixed liquor in batches, fully stir evenly under the mixing speed of 50-2500 rev/min, become homogeneous shape, the described botanical herbicides of obtained high stability.
4. require a using method for the botanical herbicides based on eucalyptus oil described in 1 according to power, it is characterized in that, get the water of this weed killer herbicide 1 weight fraction and 20-50 weight portion, fully mix, be sprayed at top layer, field.
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| CN201410017134.4A CN104770406B (en) | 2014-01-15 | 2014-01-15 | A kind of botanical herbicides based on eucalyptus oil |
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| CN201410017134.4A CN104770406B (en) | 2014-01-15 | 2014-01-15 | A kind of botanical herbicides based on eucalyptus oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075462A (en) * | 2020-09-30 | 2020-12-15 | 山东康乐尔生物科技有限公司 | Preparation method of efficient biological herbicide extracted based on bioreactor |
| CN113712050A (en) * | 2021-10-09 | 2021-11-30 | 四川宸煜林业开发有限责任公司 | Eucalyptus oil-containing plant protection additive and preparation method thereof |
| CN114698654A (en) * | 2021-11-08 | 2022-07-05 | 湖南省农业科学院 | Plant source synergist, plant source herbicide and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5998335A (en) * | 1995-11-06 | 1999-12-07 | Selga; John | Herbicidal composition and method |
| JP2010047489A (en) * | 2008-08-19 | 2010-03-04 | Sds Biotech Corp | Herbicidal composition and herbicidal method |
-
2014
- 2014-01-15 CN CN201410017134.4A patent/CN104770406B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5998335A (en) * | 1995-11-06 | 1999-12-07 | Selga; John | Herbicidal composition and method |
| JP2010047489A (en) * | 2008-08-19 | 2010-03-04 | Sds Biotech Corp | Herbicidal composition and herbicidal method |
Non-Patent Citations (1)
| Title |
|---|
| 崔艳菊: "天然产物除草剂的研究进展", 《植物医生》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075462A (en) * | 2020-09-30 | 2020-12-15 | 山东康乐尔生物科技有限公司 | Preparation method of efficient biological herbicide extracted based on bioreactor |
| CN113712050A (en) * | 2021-10-09 | 2021-11-30 | 四川宸煜林业开发有限责任公司 | Eucalyptus oil-containing plant protection additive and preparation method thereof |
| CN114698654A (en) * | 2021-11-08 | 2022-07-05 | 湖南省农业科学院 | Plant source synergist, plant source herbicide and application thereof |
| CN114698654B (en) * | 2021-11-08 | 2023-08-22 | 湖南省农业科学院 | Plant source synergistic agent, plant source herbicide and application thereof |
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| CN104770406B (en) | 2017-10-20 |
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Effective date of registration: 20190408 Address after: 712100 North Side of Qingxin Road, Small and Medium-sized Enterprise Park, Wuquan Town, Yangling Demonstration Area, Shaanxi Province Patentee after: Yangling Fu Ji Biological Technology Co. Ltd. Address before: Building 10C, South District, No. 588 Jiyun Road (Shanghai Intellectual Industry Park), Baoshan District, Shanghai, 2004 Patentee before: FUJI Biotech (Shanghai) Co., Ltd. |
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