CN105010411A - Weed killer containing cordate houttuynia extract and application thereof in saline-alkali soil corn planting - Google Patents
Weed killer containing cordate houttuynia extract and application thereof in saline-alkali soil corn planting Download PDFInfo
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- CN105010411A CN105010411A CN201510398256.7A CN201510398256A CN105010411A CN 105010411 A CN105010411 A CN 105010411A CN 201510398256 A CN201510398256 A CN 201510398256A CN 105010411 A CN105010411 A CN 105010411A
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- weed killer
- killer herbicide
- houttuynia extract
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Abstract
The invention provides a weed killer containing cordate houttuynia extract. The weed killer comprises the following raw material components in percentages by weight: 4% to 8% of propisochlor, 3% to 7% of cordate houttuynia extract, 2% to 6% of dimethomorph, 4% to 7% of difenoconazole, 3% to 6% of propiconazole, 1% to 4% of Azoxystrobin, 10% to 16% of solvent, 2% to 5% of emulsifying agent, 1% to 4% of diffusion wetting agent, 0.1% to 0.6% of defoamer, 0.2% to 0.7% of anti-sludging agent, 1% to 3% of anti-freezing agent and the balance of water. The invention also provides application of the weed killer in saline-alkali soil corn planting. The weed killer has the beneficial effects that the control effects of common weeds such as field bindweed, amaranthus retroflexus, setaria glauca, Chloris virgata and wheat grass in saline-alkali soil corn fields reach 96.4% to 99.3%, 95.3% to 98.9%, 96.1% to 99.5%, 95.3% to 98.9% and 96.1% to 99.6% respectively 30 days later after application.
Description
Technical field
The present invention relates to a kind of weed killer herbicide and the application in the corn planting of saline land thereof, be specifically related to a kind of containing the weed killer herbicide of houttuynia extract and the application in the corn planting of saline land thereof, belong to technical field of pesticide.
Background technology
Cordate houttuynia, perennial herb, complete stool has bad smell, the lower portion of the stem is thrown oneself on the ground, and joint is taken root, and top is upright, cauline leaf is often with aubergine, single raw alternate, stipule film quality, heart-shaped or the width egg shape of blade, Quan Yuan, below be often aubergine, have polyadenous point, vein 5 ~ 7, slightly by pubescence on arteries and veins, inferior leads often becomes sheath with petiole symphysis, tool echinid, and base portion expands and embraces stem.Cordate houttuynia clearing heat and detoxicating, detumescence can treat sore, promoting urination and removing dampness, clearing away heat to cure dysentery, stomach strengthening and digestion promoting, by the lung carbuncle, sore swollen toxin, hemorrhoidal hemorrhage, retention of heat in the spleen and stomach etc. of controlling real heat, heat poison, damp evil, disease heat are trouble.Modern pharmacology experiment shows, houttuynia extract has antibacterial, antiviral, effect such as raising immunity of organisms, diuresis etc.
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) formulation mostly is missible oil, many containing organic solvent in missible oil, easily has side effects to crop; Minority weed killer herbicide, adopts suspension emulsion type, but poor stability, suspensibility is low, and pourability is bad;
(2) existing weed killer herbicide, carries out soil spraying before using method mostly is and emerges after corn seeding, this kind of processing method, and undesirable to the control efficiency of corn field weed, specific aim is not strong;
(3) when existing weed killer herbicide is applied to controlling weeds in cornfield, there is certain side effect to milpa, poor stability, and have certain reducing effect to output.
Summary of the invention
The present invention is the deficiency solving prior art existence, provides a kind of containing the weed killer herbicide of houttuynia extract and the application in the corn planting of saline land thereof, to realize following goal of the invention:
(1) weed killer herbicide prepared of the present invention, formulation is suspension emulsion, and pourability is good, and active ingredient suspensibility is high, and product fineness is high, and the long lasting foam amount of placing 1min is few, heat endurance and low-temperature stability good;
(2) weed killer herbicide prepared of the present invention, the main weeds in the corn field of saline land: the preventive effect of field bindweed, Amaranthus retroflexus, setaria glauca, speedwell, Mai Qing significantly improves;
(3) weed killer herbicide prepared of the present invention, when being applied to controlling weeds in the corn of saline land, have no side effect to corn, safety is high.
for solving above technical problem, the technical solution used in the present invention is as follows:
A weed killer herbicide containing houttuynia extract, is characterized in that: described weed killer herbicide, comprises propisochlor, houttuynia extract, dimethomorph, Difenoconazole, propiconazole, Fluoxastrobin.
Below the further improvement to technique scheme:
Described weed killer herbicide, the mass percentage of each raw material components is: propisochlor 4-8%, houttuynia extract 3-7%, dimethomorph 2-6%, Difenoconazole 4-7%, propiconazole 3-6%, Fluoxastrobin 1-4%, solvent 10-16%, emulsifier 2-5%, dispersion moisture agent 1-4%, defoamer 0.1-0.6%, antiprecipitant 0.2-0.7%, antifreezing agent 1-3%, water supply 100%.
Described solvent is methyl oleate and dimethylbenzene, and mass ratio is 3:1.
Described emulsifier is fatty alcohol and ethylene oxide condensate.
Described dispersion moisture agent is lignosulfonates.
Described defoamer is organosilicon; Described antiprecipitant is xanthans; Described antifreezing agent is ethylene glycol.
Described weed killer herbicide, formulation is suspension emulsion.
The preparation method of weed killer herbicide containing houttuynia extract, comprises and prepares houttuynia extract, describedly prepares houttuynia extract, by the cordate houttuynia plant drymeal alcohol dipping after 35 hours of 70%, carries out first time ultrasonic process and ultrasonic process for the second time; Ultrasonic process of described first time: shake 0.5 hour under the condition of temperature 55 DEG C ~ 60 DEG C with the ultrasonic of power 200W, leaves standstill 24 hours after concussion.
The ultrasonic process of described second time: temperature 55 DEG C ~ 60 DEG C, power density is 70-120W/L, supersonic frequency is shake 4 hours under the condition of 51-60KHz, leaves standstill.
Containing the weed killer herbicide of houttuynia extract and the application in the corn planting of saline land thereof, the consumption of described weed killer herbicide is 60-130 gram/acre.
adopt above technical scheme, beneficial effect of the present invention is:
(1) weed killer herbicide prepared of the present invention, formulation is suspension emulsion, and pourability is good, and the mass ratio of toppling over rear residue is 0.4-1.2%, and after washing, the mass ratio of residue is 0.05-0.22%;
Active ingredient suspensibility is 91.1-98.9%;
Be 98.4-99.8% by the particle accounting of 45 μm of aperture sieve;
The long lasting foam amount of placing 1min is 1-6mL;
Heat storage stability is good, places 14d at 54 ± 2 DEG C, and the syneresis rate of product of the present invention is 0.1-1.1%, and resolution ratio is 0-0.9%;
Low-temperature stability is good, deposits 7 days at 0 ± 2 DEG C, nodeless mesh, without oil slick, without bleed, without precipitation.
(2) weed killer herbicide prepared of the present invention, after dispenser 30 days, the weeds to common in the corn field of saline land: the preventive effect of field bindweed, Amaranthus retroflexus, setaria glauca, speedwell, Mai Qing reaches 96.4-99.3%, 95.3-98.9%, 96.1-99.5%, 95.3-98.9%, 96.1-99.6% respectively.
(3) weed killer herbicide prepared of the present invention, when being applied to controlling weeds in the corn of saline land, have no side effect to corn, safety is high.
(4) weed killer herbicide prepared of the present invention is while carrying out corn field weed control, the output of corn is significantly improved, and the content of vitamin E also significantly improves in corn, the per mu yield of corn reaches 820-1090 kilograms, and in corn, the content of vitamin E reaches 20.4-27.1mg/kg.
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 houttuynia extract
described weed killer herbicide, the mass ratio of each raw material components is:
Propisochlor 4%, houttuynia extract 3%, dimethomorph 2%, Difenoconazole 4%, propiconazole 3%, Fluoxastrobin 1%, solvent 10%, emulsifier 2%, dispersion moisture agent 1%, defoamer 0.1%, antiprecipitant 0.2%, antifreezing agent 1%, water supply 100%.
Described propisochlor, the mass percentage of active ingredient is 90%, biodiversity content≤0.5%;
Described dimethomorph, the mass percentage of active ingredient is 98%;
Described Difenoconazole, the mass percentage of active ingredient is 96%;
Described propiconazole, the mass percentage of active ingredient is 95%;
Described Fluoxastrobin, the mass percentage of active ingredient is 98%, biodiversity content≤0.2%;
Described solvent is methyl oleate and dimethylbenzene, and mass ratio is 3:1;
Described emulsifier is fatty alcohol and ethylene oxide condensate;
Described dispersion moisture agent is lignosulfonates;
Described defoamer is organosilicon;
Described antiprecipitant is xanthans;
Described antifreezing agent is ethylene glycol.
the weed killer herbicide of embodiment 2 one kinds containing houttuynia extract
described weed killer herbicide, the mass ratio of each raw material components is:
Propisochlor 5%, houttuynia extract 5%, dimethomorph 4%, Difenoconazole 6%, propiconazole 4%, Fluoxastrobin 2%, solvent 14%, emulsifier 3%, dispersion moisture agent 2%, defoamer 0.3%, antiprecipitant 0.6%, antifreezing agent 2%, water supply 100%.
Described propisochlor, the mass percentage of active ingredient is 90%, biodiversity content≤0.5%;
Described dimethomorph, the mass percentage of active ingredient is 98%;
Described Difenoconazole, the mass percentage of active ingredient is 96%;
Described propiconazole, the mass percentage of active ingredient is 95%;
Described Fluoxastrobin, the mass percentage of active ingredient is 98%, biodiversity content≤0.2%;
Described solvent is methyl oleate and dimethylbenzene, and mass ratio is 3:1;
Described emulsifier is fatty alcohol and ethylene oxide condensate;
Described dispersion moisture agent is lignosulfonates;
Described defoamer is organosilicon;
Described antiprecipitant is xanthans;
Described antifreezing agent is ethylene glycol.
the weed killer herbicide of embodiment 3 one kinds containing houttuynia extract
described weed killer herbicide, the mass ratio of each raw material components is:
Propisochlor 8%, houttuynia extract 7%, dimethomorph 6%, Difenoconazole 7%, propiconazole 6%, Fluoxastrobin 4%, solvent 16%, emulsifier 5%, dispersion moisture agent 4%, defoamer 0.6%, antiprecipitant 0.7%, antifreezing agent 3%, water supply 100%.
Described propisochlor, the mass percentage of active ingredient is 90%, biodiversity content≤0.5%;
Described dimethomorph, the mass percentage of active ingredient is 98%;
Described Difenoconazole, the mass percentage of active ingredient is 96%;
Described propiconazole, the mass percentage of active ingredient is 95%;
Described Fluoxastrobin, the mass percentage of active ingredient is 98%, biodiversity content≤0.2%;
Described solvent is methyl oleate and dimethylbenzene, and mass ratio is 3:1;
Described emulsifier is fatty alcohol and ethylene oxide condensate;
Described dispersion moisture agent is lignosulfonates;
Described defoamer is organosilicon;
Described antiprecipitant is xanthans;
Described antifreezing agent is ethylene glycol.
the preparation method of the weed killer herbicide of embodiment 4 one kinds containing houttuynia extract
Weed killer herbicide of the present invention, formulation is suspension emulsion.
(1) preparation of cordate houttuynia dry powder
Get cordate houttuynia whole plants, clean up; Cordate houttuynia whole plants being cut into the long segment of 0.5 ~ 0.7cm, 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 cordate houttuynia plant drymeal.
(2) houttuynia extract is prepared
Weigh 1 part of above-mentioned cordate houttuynia plant drymeal, the mass concentration adding 7.0 weight portions is the alcohol solvent of 70%, flood after 35 hours, carry out first time ultrasonic process: shake 0.5 hour under the condition of temperature 55 DEG C ~ 60 DEG C with the ultrasonic of power 200W, after concussion, leave standstill 24 hours;
Carry out the ultrasonic process of second time: temperature 55 DEG C ~ 60 DEG C, power density is shake 4 hours under the condition of 70-120W/L, supersonic frequency 51-60KHz, leaves standstill, filters; Filtrate carries out evaporating, concentrating extraction under 77 DEG C ~ 79 DEG C temperature condition, until obtain sticky paste, obtains houttuynia extract.
(3) weigh
According to Herbicidal composition, take each raw material components.
(4) Difenoconazole, Fluoxastrobin suspending agent is prepared
Get the water of half in formula, with dispersion moisture agent, defoamer mixing and stirring, then Difenoconazole is dropped into, after Fluoxastrobin is uniformly dispersed, serialization sand milling is carried out by horizontal sand mill, sand milling temperature controls below 40 DEG C, granularity stops sand milling (actual measurement average grain diameter 1.35-1.4 μm) after reaching claimed range, obtain Difenoconazole, Fluoxastrobin suspending agent.
(5) oil phase is prepared
Propisochlor, houttuynia extract, dimethomorph, propiconazole are used dissolution with solvents, prepares oil phase.
(6) aqueous phase is prepared
Emulsifier, antifreezing agent and remaining water are mixed, obtains homogeneous aqueous phase.
(7) oil phase is mixed with water
The oil phase configured to entering aqueous phase, use high-shear homogenizer with the speed high speed shear 10 minutes of 10000r/min, form stable O/W emulsion, granularity stops homogenizing after reaching average grain diameter 0.5 ~ 0.7 μm, obtained aqueous emulsion.
(8) suspension emulsion is prepared
Difenoconazole, Fluoxastrobin suspending agent are added in the above-mentioned aqueous emulsion prepared, high speed shear, adds antiprecipitant, and shear-mixed is even, obtains suspension emulsion of the present invention.
the weed killer herbicide application in saline land corn planting of embodiment 5 one kinds containing houttuynia extract
(1) alkaline land improving
Use saline-alkali land soil conditioner, carry out alkaline land improving, after improvement, the indices in saline land is: the pH value of soil is 7.0-7.1, soil salt content is 0.11-0.18%, soil organic matter content is 21-25g/kg, and water capacity is 31-32%, and the ventilative hole of soil is 15-16%, in soil, quick-acting nitrogen content is that in 240-250mg/kg, 0-20cm soil, available phosphorus content is 47-58mg/kg.
The mass ratio of each component of described saline-alkali land soil conditioner is:
Fertilizer cow dung 35 parts, potassium feldspar 10 parts, hydrolyzed polyacrylonitrile 6 parts, asparagus slag 3 parts, boric acid 6 parts, 8 parts, sawdust, fulvic acid 13 parts, charcoal 6 parts, polymeric amino acid 5 parts, soil thickener 0.6 part, fragrant 8 parts of wild eggplant, water-loss reducer 0.5 part, bacillus coagulans 0.6 part, addicted to salt methane backeria 0.9 part.
(2) corn seeding
Behind basal dressing, whole ground, carry out the sowing of corn, require that the depth is consistent during sowing, sowing depth is at 5 cm, and program request every cave 2-3 grain, earthing wants tight, can adopt wide-narrow row planting, wide row 80 centimetres, narrow row 40 centimetres, and spacing in the rows is wanted evenly, to determine according to density.
(3) topdress and irrigate
According to corn growth feature and soil condition nitrogen topdressing 18-24 kilogram, pure phosphorus 6-8 kilogram, pure potassium 5-8 kilogram; Carry out irrigation moisturizing in time according to humidity condition in soil, rainy season carries out drainage works.
(4) weeding
General after weeds emerge, be sprayed directly on by weed killer herbicide on weeds cauline leaf, every mu of dosage is 60-130 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.
result of the test:
(1) weed killer herbicide prepared of the present invention, pourability is good, and the mass ratio of toppling over rear residue is 0.4-1.2%, and after washing, the mass ratio of residue is 0.05-0.22%;
Active ingredient suspensibility is 91.1-98.9%;
Be 98.4-99.8% by the particle accounting of 45 μm of aperture sieve;
The long lasting foam amount of placing 1min is 1-6mL;
Heat storage stability is good, places 14d at 54 ± 2 DEG C, and the syneresis rate of product of the present invention is 0.1-1.1%, and resolution ratio is 0-0.9%;
Low-temperature stability is good, deposits 7 days at 0 ± 2 DEG C, nodeless mesh, without oil slick, without bleed, without precipitation; Specific targets are 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 corn field weed, after dispenser 30 days, weeds to common in corn field: the preventive effect of field bindweed, Amaranthus retroflexus, setaria glauca, speedwell, Mai Qing reaches 96.4-99.3%, 95.3-98.9%, 96.1-99.5%, 95.3-98.9%, 96.1-99.6% respectively, and specific targets are in table 2.
Weed killer herbicide prepared by table 2 the present invention is to the control efficiency of corn field main weeds
(3) weed killer herbicide prepared of the present invention is while carrying out corn field weed control, and the output of corn is significantly improved, and in corn, the content of vitamin E also significantly improves, specifically in table 3.
The per mu yield of table 3 corn and the content of vitamin E
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 houttuynia extract, is characterized in that: described weed killer herbicide, comprises propisochlor, houttuynia extract, dimethomorph, Difenoconazole, propiconazole, Fluoxastrobin.
2. a kind of weed killer herbicide containing houttuynia extract according to claim 1, it is characterized in that: described weed killer herbicide, the mass percentage of each raw material components is: propisochlor 4-8%, houttuynia extract 3-7%, dimethomorph 2-6%, Difenoconazole 4-7%, propiconazole 3-6%, Fluoxastrobin 1-4%, solvent 10-16%, emulsifier 2-5%, dispersion moisture agent 1-4%, defoamer 0.1-0.6%, antiprecipitant 0.2-0.7%, antifreezing agent 1-3%, water supply 100%.
3. a kind of weed killer herbicide containing houttuynia extract according to claim 2, it is characterized in that: described solvent is methyl oleate and dimethylbenzene, mass ratio is 3:1.
4. a kind of weed killer herbicide containing houttuynia extract according to claim 2, is characterized in that: described emulsifier is fatty alcohol and ethylene oxide condensate.
5. a kind of weed killer herbicide containing houttuynia extract according to claim 2, is characterized in that: described dispersion moisture agent is lignosulfonates.
6. a kind of weed killer herbicide containing houttuynia extract according to claim 2, is characterized in that: described defoamer is organosilicon; Described antiprecipitant is xanthans; Described antifreezing agent is ethylene glycol.
7. a kind of weed killer herbicide containing houttuynia extract according to claim 1, it is characterized in that: described weed killer herbicide, formulation is suspension emulsion.
8. the preparation method of the weed killer herbicide containing houttuynia extract, it is characterized in that: comprise and prepare houttuynia extract, describedly prepare houttuynia extract, by the cordate houttuynia plant drymeal alcohol dipping after 35 hours of 70%, carry out first time ultrasonic process and the ultrasonic process of second time; Ultrasonic process of described first time: shake 0.5 hour under the condition of temperature 55 DEG C ~ 60 DEG C with the ultrasonic of power 200W, leaves standstill 24 hours after concussion.
9. the preparation method of a kind of weed killer herbicide containing houttuynia extract according to claim 8, it is characterized in that: the ultrasonic process of described second time: temperature 55 DEG C ~ 60 DEG C, power density is 70-120W/L, and supersonic frequency is shake 4 hours under the condition of 51-60KHz, leaves standstill.
10., containing the weed killer herbicide of houttuynia extract and the application in the corn planting of saline land thereof, it is characterized in that: the consumption of described weed killer herbicide is 60-130 gram/acre.
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| CN201510398256.7A CN105010411A (en) | 2015-07-09 | 2015-07-09 | Weed killer containing cordate houttuynia extract and application thereof in saline-alkali soil corn planting |
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Cited By (1)
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| CN106983147A (en) * | 2017-05-07 | 2017-07-28 | 湖北民族学院 | A kind of extracting method of houttuynia extract |
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Application publication date: 20151104 |