CN104996473A - Herbicide containing radix angelicae extract and application of herbicide in cotton planting in saline and alkaline land - Google Patents
Herbicide containing radix angelicae extract and application of herbicide in cotton planting in saline and alkaline land Download PDFInfo
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- CN104996473A CN104996473A CN201510399113.8A CN201510399113A CN104996473A CN 104996473 A CN104996473 A CN 104996473A CN 201510399113 A CN201510399113 A CN 201510399113A CN 104996473 A CN104996473 A CN 104996473A
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- weed killer
- killer herbicide
- angelica dahurica
- dahurica extract
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Abstract
The invention provides a herbicide containing radix angelicae extract. The herbicide comprises the following raw materials in percentage by mass: 3-7% of efficient haloxyfop-methyl, 2-6% of radix angelicae extract, 2-8% of tebuconazole, 2-5% of kresoxim-methyl, 4-8% of SYP-7017, 5-8% of prochloraz, 10-20% of a solvent, 2-5% of an emulsifier, 1-5% of an antifreezing agent, 0.2-0.6% of a defoamer and the balance of water, totalling 100%. The invention further provides application of the herbicide in cotton planting in a saline and alkaline land. The herbicide provided by the invention has the benefits that 30 days later after application, the control effects of the herbicide on common weeds in a cotton field such as eleusine indica, bermudagrass, eragrostis pilosa, cyperus rotundus and digitaria sanguinalis reach 94.7-97.5%, 93.5-97.8%, 96.4-98.5%, 95.2-98.9% and 94.1-98.3%, respectively; the herbicide has no side effects on cotton and is high in safety.
Description
Technical field
The present invention relates to a kind of weed killer herbicide and the application in alkaline land cotton plantation thereof, be specifically related to a kind of weed killer herbicide containing Angelica Dahurica extract and the application in alkaline land cotton plantation thereof, belong to technical field of pesticide.
Background technology
The root of Dahurain angelica, perennial herb, high 1 ~ 2.5 meter, main root is cylindrical, have branch, crust yellowish-brown, stem is upright, base diameter 5 ~ 9 centimetres, is often with purple, has longitudinal furrow line, the pinnation of the lower portion of the stem leaf, has long handle, 2 ~ 3 times pinnation of stem middle leaf, petiole bottom becomes cryptomere film quality sheath, base portion along the downward one-tenth aliform of rachis, stem upper leaf tool cryptomere sheath, universal umbel, phyllary without or 1 ~ 2, constitute sheath-like.The root of Dahurain angelica has good analgesic effect, and especially have good effect to headache etc., and have removing toxic substances, antiinflammation, Angelica Dahurica extract has radiation resistance.
Existing chemical herbicide, generally has four kinds, and (1) is divided into organic herbicide and inorganic herbicide according to chemical mechanical; (2) be divided into selective herbicide according to the mode of action and go out natural disposition (non-selective) weed killer herbicide; (3) contact killing type weed killer herbicide and conduction type (internal-suction type) weed killer herbicide is divided into according to the mobility of weed killer herbicide in plant corpus; (4) leaf surface treatment agent and processing soil treatment agent is divided into according to weed killer herbicide using method.Existing chemical herbicide, Side effect to a certain degree is all had to crops, the environmental pollution such as soil, water source can be caused in various degree, chemical herbicide improper use can cause crops to produce poisoning, cause crop growth abnormal, suppress its photosynthesis, affect crop yield, and also can cause certain murder by poisoning to second stubble crop.
The defect that existing chemical herbicide exists is as follows:
(1) existing chemical herbicide, formulation mostly is missible oil, many containing organic solvent in missible oil, easily has side effects to crop; Minority weed killer herbicide, adopts Water emulsion, but poor stability;
(2) existing weed killer herbicide, using method mostly is before cotton emerges or before not transplanting carries out soil spraying, this kind of processing method, and undesirable to the control efficiency of Cotton Fields weeds, specific aim is not strong;
(3), when existing weed killer herbicide is applied to cotton controlling weeds, certain side effect is had to cotton, poor stability.
Summary of the invention
The present invention is the deficiency solving prior art existence, provides a kind of weed killer herbicide containing Angelica Dahurica extract and the application in alkaline land cotton plantation thereof, to realize following goal of the invention:
(1) weed killer herbicide prepared of the present invention, formulation is aqueous emulsion, and low-temperature stability is good, deposits 7 days at 0 ± 2 DEG C, nodeless mesh, without oil slick, without bleed, without precipitation; Pourability and Heat stability is good; The long lasting foam amount of placing 1min is low.
(2) weed killer herbicide prepared of the present invention is good to the control efficiency of Cotton Fields weeds, the weeds to common in Cotton Fields: the preventive effect of eleusine indica, Bermuda grass, india lovegrass, the rhizome of nutgrass flatsedge, lady's-grass significantly improves;
(3), when the weed killer herbicide that prepared by the present invention is applied to controlling weeds in alkaline land cotton, have no side effect to cotton, safety is high.
for solving above technical problem, the technical solution used in the present invention is as follows:
A weed killer herbicide containing Angelica Dahurica extract, comprises haloxyfop-r-methyl, Angelica Dahurica extract, Tebuconazole, kresoxim-methyl, chlorine nalidixic bacterium ester, Prochloraz.
Below the further improvement to technique scheme:
Described weed killer herbicide, the mass percentage of each raw material components is: haloxyfop-r-methyl 3-7%, Angelica Dahurica extract 2-6%, Tebuconazole 2-8%, kresoxim-methyl 2-5%, chlorine nalidixic bacterium ester 4-8%, Prochloraz 5-8%, solvent 10-20%, emulsifier 2-5%, antifreezing agent 1-5%, defoamer 0.2-0.6%, water supplies 100%.
Described solvent is the one in repefral, propylene carbonate base, butyl benzyl ester.
Described emulsifier is the one in castor oil and ethylene oxide condensate, monoleate, sorbitanmonolaureate.
Described antifreezing agent is the one in propane diols, ethylene glycol, glycerine; Described defoamer is the one in organosilicon, isooctanol.
Described weed killer herbicide, formulation is aqueous emulsion.
A preparation method for weed killer herbicide containing Angelica Dahurica extract, comprise the preparation of Angelica Dahurica extract, the preparation of described Angelica Dahurica extract, comprises extraction, described extraction, and use supercritical carbon dioxide extracting, extracting pressure is 22-34Mpa, and temperature is 32-66 DEG C.
Described supercritical carbon dioxide extracting, the flow of carbonic acid gas is 13-33kg/h.
Described preparation method, also comprises the mixing of aqueous phase and oil phase, and the mixing of described aqueous phase and oil phase, slowly adds oil phase by aqueous phase, uses high-shear homogenizer after 20 minutes, can obtain aqueous emulsion with the speed high speed shear of 10000r/min.
Weed killer herbicide containing Angelica Dahurica extract and the application in alkaline land cotton plantation thereof, the consumption of described weed killer herbicide is 40-70 gram/every mu.
adopt above technical scheme, beneficial effect of the present invention is:
(1) weed killer herbicide prepared of the present invention, formulation is aqueous emulsion, and low-temperature stability is good: deposit 7 days at 0 ± 2 DEG C, nodeless mesh, without oil slick, without bleed, without precipitation;
Pourability is good: the mass ratio of toppling over rear residue is 1.2-1.5%, and after washing, the mass ratio of residue is 0.1-0.2%;
Heat stability is good: 54 ± 2 DEG C of heat are store 14 days, and product syneresis rate is 0.8-2.8%, and resolution ratio is 1.0-2.4%; The long lasting foam amount of placing 1min is low, is 2-10mL;
Weed killer herbicide particle diameter D50 prepared by the present invention is 0.562-0.597 μm, and viscosity is 214-246 mPa.s.
(2) weed killer herbicide prepared of the present invention is good to the control efficiency of Cotton Fields weeds, after dispenser 30 days, the weeds to common in Cotton Fields: the preventive effect of eleusine indica, Bermuda grass, india lovegrass, the rhizome of nutgrass flatsedge, lady's-grass reaches 94.7-97.5%, 93.5-97.8%, 96.4-98.5%, 95.2-98.9%, 94.1-98.3% respectively.
(3), when the weed killer herbicide that prepared by the present invention is applied to controlling weeds in alkaline land cotton, have no side effect to cotton, safety is high; And the output of cotton is significantly improved, per mu yield 780-820 jin, strength and the Length Regularity index of cotton fiber also significantly improve, and strength reaches 34-45 cN/tex, and Length Regularity index range reaches 81-87%.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
the weed killer herbicide of embodiment 1 one kinds containing Angelica Dahurica extract
described weed killer herbicide, the mass ratio of each raw material components is:
Haloxyfop-r-methyl 3%, Angelica Dahurica extract 2%, Tebuconazole 2%, kresoxim-methyl 2%, chlorine nalidixic bacterium ester 4%, Prochloraz 5%, solvent 10%, emulsifier 2%, antifreezing agent 1%, defoamer 0.2%, water supplies 100%.
Described haloxyfop-r-methyl, the mass percentage of active ingredient is 95%;
Described Tebuconazole, the mass percentage of active ingredient is 97%;
Described kresoxim-methyl, the mass percentage of active ingredient is 96%;
Described chlorine nalidixic bacterium ester, the mass percentage of active ingredient is 95%;
Described Prochloraz, the mass percentage of active ingredient is 97%;
Described solvent is repefral;
Described emulsifier is castor oil and ethylene oxide condensate;
Described antifreezing agent is propane diols;
Described defoamer is organosilicon.
the weed killer herbicide of embodiment 2 one kinds containing Angelica Dahurica extract
described weed killer herbicide, the mass ratio of each raw material components is:
Haloxyfop-r-methyl 4%, Angelica Dahurica extract 3%, Tebuconazole 4%, kresoxim-methyl 3%, chlorine nalidixic bacterium ester 6%, Prochloraz 7%, solvent 15%, emulsifier 4%, antifreezing agent 2%, defoamer 0.3%, water supplies 100%.
Described haloxyfop-r-methyl, the mass percentage of active ingredient is 95%;
Described Tebuconazole, the mass percentage of active ingredient is 97%;
Described kresoxim-methyl, the mass percentage of active ingredient is 96%;
Described chlorine nalidixic bacterium ester, the mass percentage of active ingredient is 95%;
Described Prochloraz, the mass percentage of active ingredient is 97%;
Described solvent is propylene carbonate base;
Described emulsifier is monoleate;
Described antifreezing agent is ethylene glycol;
Described defoamer is isooctanol.
the weed killer herbicide of embodiment 3 one kinds containing Angelica Dahurica extract
described weed killer herbicide, the mass ratio of each raw material components is:
Haloxyfop-r-methyl 7%, Angelica Dahurica extract 6%, Tebuconazole 8%, kresoxim-methyl 5%, chlorine nalidixic bacterium ester 8%, Prochloraz 8%, solvent 20%, emulsifier 5%, antifreezing agent 5%, defoamer 0.6%, water supplies 100%.
Described haloxyfop-r-methyl, the mass percentage of active ingredient is 95%;
Described Tebuconazole, the mass percentage of active ingredient is 97%;
Described kresoxim-methyl, the mass percentage of active ingredient is 96%;
Described chlorine nalidixic bacterium ester, the mass percentage of active ingredient is 95%;
Described Prochloraz, the mass percentage of active ingredient is 97%;
Described solvent is butyl benzyl ester;
Described emulsifier is sorbitanmonolaureate;
Described antifreezing agent is glycerine;
Described defoamer is isooctanol.
the preparation method of the weed killer herbicide of embodiment 4 one kinds containing Angelica Dahurica extract
Described weed killer herbicide, formulation is aqueous emulsion, and preparation method comprises:
(1) preparation of Angelica Dahurica extract:
A. the dry powder of root of Dahurain angelica root is prepared
The root of the root of Dahurain angelica is cleaned up; With cutter, root being cut into the long segment of 0.5 ~ 1cm, dries in the shade in indoor, is then placed in electric heating constant-temperature blowing drying box under the temperature condition of 35 ~ 40 DEG C, within 24 ~ 48 hours, dries to constant weight; Cross 40 mesh sieves after pulverizing with cracker, make particle diameter be less than 0.35mm, obtain the root dry powder of the root of Dahurain angelica;
B. extract
Dry powder is placed in extraction kettle, and use supercritical carbon dioxide extracting, extracting pressure is 22-34Mpa, and temperature is 32-66 DEG C, and extraction time is 1-5 hour, CO
2flow is 13-33kg/h, use entrainer, entrainer can be: methyl alcohol, absolute ethyl alcohol, ethyl acetate, the resolving of supercritical fluid extraction effluent is two-stage, and it is 8-13Mpa that the first order resolves pressure, and resolution temperature is 52-61 DEG C, it is 3-9Mpa that pressure is resolved in the second level, resolution temperature is 34-47 DEG C, and extraction terminates, and collects extract.
(2) weigh
According to Herbicidal composition, weigh each raw material in formula.
(3) preparation of oil phase
By haloxyfop-r-methyl, Tebuconazole, kresoxim-methyl, chlorine nalidixic bacterium ester, Prochloraz and Angelica Dahurica extract, first use dissolution with solvents, then add emulsifier, carry out stirring and make homogeneous oil phase.
(4) preparation of aqueous phase
Antifreezing agent, defoamer are added to the water, stirring and dissolving, make homogeneous aqueous phase.
(5) mixing of aqueous phase and oil phase
Under high velocity agitation, aqueous phase is slowly added oil phase, use high-shear homogenizer after 20 minutes, can aqueous emulsion be obtained with the speed high speed shear of 10000r/min.
the application of the weed killer herbicide of embodiment 5 one kinds containing Angelica Dahurica extract in alkaline land cotton plantation
(1) alkaline land improving
Use saline-alkali land soil conditioner, carry out alkaline land improving, after improvement, the indices in saline land is: 0-30cm soil layer salt content is 0.21-0.22%, soil pH is 6.8-6.9, in soil, total nitrogen content is 0.125-0.154%, the ventilative hole of soil is 15.1-16.7%, and soil moisture content is 24.1-26.4%.
The mass ratio of each component of described saline-alkali land soil conditioner is:
Fulvic acid 15 parts, charcoal 12 parts, desulfurated plaster 30 parts, water-loss reducer 0.6 part, 7 parts, diatomite, resin glue 5 parts, Gourmet Powder Factory's fermentation product 5 parts, basophilia bacillus pumilus 2 parts, photosynthetic bacteria 3 parts, 8 parts, Chinese violet powder, 12 parts, prairie milk vetch powder.
(2) base manure is used
Every mu of the carbon ammonium 100 jin that applies fertilizer to the subsoil, 70 jin, phosphate fertilizer, 20 jin, potash fertilizer or 45% Nitrogen, Phosphorus and Potassium 100 jin.(3) sowing cotton seed
Sowing time, too early, temperature was on the low side in sowing at the beginning of 4 months, seeding stage extends, and easily occurs dead seedling, rotten kind, one can not broadcast full stand, program request every cave 4-5 grain, every mu with kind of a 4-5 jin, line-spacing 60-70cm, about spacing in the rows 25cm, every mu of transplanting stock 1700-2000 strain, general grasp is dark only very little, does not shallowly reveal seed, and the degree of depth is advisable with about 1.6cm.
(4) weeding
General after weeds emerge, be sprayed directly on by weed killer herbicide on weeds cauline leaf, every mu of dosage is 40-70 gram, every mu is watered 45 kilograms, stirs evenly rear even spraying, and cloud point wants thin, to adhere on blade face, when having wind, float of mist droplet be prevented on contiguous crops.
(5) topdress
Topdress according to the different bearing stage: one is seed manure: every mu of use 45% Nitrogen, Phosphorus and Potassium 15 jin is watered a little to be executed; Two is that flower bud is fertile: every mu of use 45% Nitrogen, Phosphorus and Potassium 50 jin of ditching deep placements; Three is Hua Lingfei: every mu with urea 30 jin of deep placements.
(6) manage
Timely irrigation, soil moisture conservation of loosening the soil, guarantees full stand, carries out extermination of disease and insect pest work; The time that cotton is pinched in good time should determine according to conditions such as the growing way of cotton, density, fertility, generally pinching about 23 days July, pinches and only need pluck top one leaf, preventing greatly seizing; Beat escenter and can eliminate apical dominance, reduce and come off and rotten peach, upwards should beat escenter from plant bottom; Contain before and after flower, the cotton field excessively prosperous to growing way, under stem should being beaten, the Lao Ye at middle part, and cut off empty branch in batches, rotten peach can be reduced, increase bell weight, promote blow-of-cottons; The blow-of-cottons luxuriant phase gathers in the crops in time, prevents from drenching with rain.
result of the test:
(1) weed killer herbicide prepared of the present invention, low-temperature stability is good, deposits 7 days at 0 ± 2 DEG C, nodeless mesh, without oil slick, without bleed, without precipitation; Pourability is good, and the mass ratio of toppling over rear residue is 1.2-1.5%, and after washing, the mass ratio of residue is 0.1-0.2%; 54 ± 2 DEG C of heat are store 14 days, and product syneresis rate is 0.8-2.8%, and resolution ratio is 1.0-2.4%; The long lasting foam amount of placing 1min is 2-10mL; Weed killer herbicide particle diameter D50 prepared by the present invention is 0.562-0.597 μm, and viscosity is 214-246mPa.s, specifically in table 1.
the quality index of table 1 weed killer herbicide of the present invention
(2) weed killer herbicide prepared of the present invention is good to the control efficiency of Cotton Fields weeds, after dispenser 30 days, weeds to common in Cotton Fields: the preventive effect of eleusine indica, Bermuda grass, india lovegrass, the rhizome of nutgrass flatsedge, lady's-grass reaches 94.7-97.5%, 93.5-97.8%, 96.4-98.5%, 95.2-98.9%, 94.1-98.3% respectively, and specific targets are in table 2.
Weed killer herbicide prepared by table 2 the present invention is to the control efficiency of Cotton Fields main weeds
(3) weed killer herbicide prepared of the present invention is while carrying out Cotton Fields control of weeds, not only without any side effects to cotton, also obtain beyond thought effect, the output effect of being significantly improved of cotton, and the strength of cotton fiber and Length Regularity index significantly improve, specifically in table 3.
The per mu yield of table 3 cotton, the index of correlation of cotton fiber
Contrast: do not use weed killer herbicide of the present invention, replaces weed killer herbicide to spray with clear water.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the weed killer herbicide containing Angelica Dahurica extract, is characterized in that: described weed killer herbicide, comprises haloxyfop-r-methyl, Angelica Dahurica extract, Tebuconazole, kresoxim-methyl, chlorine nalidixic bacterium ester, Prochloraz.
2. a kind of weed killer herbicide containing Angelica Dahurica extract according to claim 1, it is characterized in that: described weed killer herbicide, the mass percentage of each raw material components is: haloxyfop-r-methyl 3-7%, Angelica Dahurica extract 2-6%, Tebuconazole 2-8%, kresoxim-methyl 2-5%, chlorine nalidixic bacterium ester 4-8%, Prochloraz 5-8%, solvent 10-20%, emulsifier 2-5%, antifreezing agent 1-5%, defoamer 0.2-0.6%, water supplies 100%.
3. a kind of weed killer herbicide containing Angelica Dahurica extract according to claim 1, it is characterized in that: described solvent, is the one in repefral, propylene carbonate base, butyl benzyl ester.
4. a kind of weed killer herbicide containing Angelica Dahurica extract according to claim 1, is characterized in that: described emulsifier is the one in castor oil and ethylene oxide condensate, monoleate, sorbitanmonolaureate.
5. a kind of weed killer herbicide containing Angelica Dahurica extract according to claim 1, is characterized in that: described antifreezing agent is the one in propane diols, ethylene glycol, glycerine; Described defoamer is the one in organosilicon, isooctanol.
6. a kind of weed killer herbicide containing Angelica Dahurica extract according to claim 1, it is characterized in that: described weed killer herbicide, formulation is aqueous emulsion.
7. the preparation method of the weed killer herbicide containing Angelica Dahurica extract, it is characterized in that: described preparation method, comprise the preparation of Angelica Dahurica extract, the preparation of described Angelica Dahurica extract, comprise extraction, described extraction, use supercritical carbon dioxide extracting, extracting pressure is 22-34Mpa, and temperature is 32-66 DEG C.
8. the preparation method of a kind of weed killer herbicide containing Angelica Dahurica extract according to claim 7, it is characterized in that: described supercritical carbon dioxide extracting, the flow of carbonic acid gas is 13-33kg/h.
9. the preparation method of a kind of weed killer herbicide containing Angelica Dahurica extract according to claim 7, it is characterized in that: described preparation method, also comprise the mixing of aqueous phase and oil phase, the mixing of described aqueous phase and oil phase, aqueous phase is slowly added oil phase, high-shear homogenizer is used after 20 minutes, can aqueous emulsion to be obtained with the speed high speed shear of 10000r/min.
10. the weed killer herbicide containing Angelica Dahurica extract and the application in alkaline land cotton plantation thereof, is characterized in that: the consumption of described weed killer herbicide is 40-70 gram/every mu.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111109305A (en) * | 2019-12-31 | 2020-05-08 | 潍坊友容实业有限公司 | Saline-alkali soil herbicide containing citrus extract and preparation method thereof |
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| CN101984810A (en) * | 2010-07-22 | 2011-03-16 | 福建诺德生物科技有限责任公司 | Aqueous emulsion preparation using rosin-based vegetable oil as solvent and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101984810A (en) * | 2010-07-22 | 2011-03-16 | 福建诺德生物科技有限责任公司 | Aqueous emulsion preparation using rosin-based vegetable oil as solvent and preparation method thereof |
Non-Patent Citations (1)
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| CN111109305A (en) * | 2019-12-31 | 2020-05-08 | 潍坊友容实业有限公司 | Saline-alkali soil herbicide containing citrus extract and preparation method thereof |
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Application publication date: 20151028 |