CN104970044A - Inorganic copper bactericide and preparation method and application thereof - Google Patents

Inorganic copper bactericide and preparation method and application thereof Download PDF

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Publication number
CN104970044A
CN104970044A CN201510391256.4A CN201510391256A CN104970044A CN 104970044 A CN104970044 A CN 104970044A CN 201510391256 A CN201510391256 A CN 201510391256A CN 104970044 A CN104970044 A CN 104970044A
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bactericide
water
weight
blue vitriol
parts
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CN201510391256.4A
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CN104970044B (en
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陈湖
常瑞丰
李永红
王召元
张立莎
刘国俭
崔丽贤
李艳霞
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Changli Institute Of Pomology Hebei Academy Of Agriculture And Forestry Sciences
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Changli Institute Of Pomology Hebei Academy Of Agriculture And Forestry Sciences
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Abstract

The invention relates to an inorganic copper bactericide and a preparation method and an application thereof. The bactericide comprises the raw materials in parts by weight: 0.1-4 parts by weight of blue vitriol, 3-9 parts by weight of sodium silicate, and 500-1300 parts by weight of water. The preparation method comprises the steps: firstly, adding 500-700 parts by weight of water into a stirring vessel, then adding 1-2 parts by weight of blue vitriol into the stirring vessel, fully dissolving to form a blue vitriol solution, finally diluting 5-7 parts by weight of sodium silicate with water having the amount 10 times that of sodium silicate, then adding into the stirring vessel, adding water to the amount of 800-1000 parts by weight, and stirring evenly. The bactericide is used for prevention and control of crop diseases. The bactericide has the superior effects that the sodium silicate solution replaces a lime solution of a bordeaux mixture and is in compatibility with the blue vitriol solution to be used for preparation of the sodium silicate and blue vitriol bactericide. The bactericide is used for prevention and control of the crop diseases; the preparation method is simple, the labor is saved, and the floccule suspension time is long; and after the bactericide is used for spraying crops, leaf surfaces of the crops are clean and have no obvious bactericide powder residues, and the manufacturing cost is low.

Description

A kind of Inorganic Copper fungicide and its preparation method and application
Technical field
The present invention relates to crop disease control technical field, be specifically related to Inorganic Copper fungicide of a kind of protective fungicide control corps diseases and its preparation method and application.
Background technology
" bordeaux mixture " applies the earliest the most a kind of inorganic copper fungicide.In the control of fruit diseases, the history in an existing century, adopts so far always." bordeaux mixture " is a kind of agricultural bacteriocide preferably, and can not produce drug resistance, be non-harmful bactericide, played very large effect in the control of agricultural pest, is worth well research and continues to apply.
Blue vitriol and lime compatibility are applied and are claimed bordeaux mixture, and bordeaux mixture has the advantage of its good drug efficacy, also there are some shortcomings.One, bordeaux mixture preparation steps is loaded down with trivial details, and the end product quality of some orchard worker preparation does not reach requirement, and floccule settling velocity is fast, and affect greatly by lime quality, the consumption of lime is inaccurate; Its two, ashes cover affect leaf photosynthesis and pollution fruit surface; Its three, alkalescence is large, should not with other combined use of pesticides; Its four, application bordeaux mixture sometimes also can increase the weight of causing harm of two spotted spider mite.
In recent years, market there is multiple organic-inorganic copper agent, as copper sulphate ammino-complex, mixed amino acid copper complex, copploid liquid, basic copper sulfate powder, green newborn copper, copper rosinate missible oil etc.Though they bring conveniently to the use of copper agent, due to the limitation of these preparation physicochemical properties, or reduce drug effect, or bad dispersibility, or poor adhesive force, or copper content is too low, all not as bordeaux mixture good drug efficacy.Especially, in Vitis Labrusca L is produced, usually based on bordeaux mixture control, but but there is the problem that heavy metal copper is excessive, this is that bordeaux mixture itself is indeterminable.
One can overcome bordeaux mixture shortcoming, the research of the transparent medicine film of the copper agent for crop disease control, is a current demand.
Silicon is the second largest element of earth surface, accounts for 26.30%, is the ubiquitous mineral element of natural world.The mankind are also very widely to its utilization, the transistor of electric utility, photocell; The glass of building trade, portland cement, extraordinary jointing material; As drinking water system inorganic agent, prevent corrosive pipeline; Agricultural cultivation host material sandstone, perlite, vermiculite etc., relate to every field, exist in a variety of forms.
Silicon, to the effect of fungal diseases of plants, starts from 1940, and Wagner reported first executes the latent period that siliceous fertilizer can extend powdery mildew of cucumber, alleviates the degree of morbidity.Powdery mildew was inoculated on cucumber leaves in 1991 by Menzies et al., and when cultivating in containing the nutrient solution of sodium silicate, clump count, area of colony and spore germination rate in nutrient solution on silicone content and blade are negative correlation.Menzies et al. will add silicon two kinds of methods in 1992 in foliage-spray silicon potash fertilizer and nutrient solution, research shows that silicon can alleviate the powdery mildew of muskmelon, custard squash.Soluble silicon can suppress the postharvest disease of peach, cucumber, thick-skinned melon, jujube, potato.
Silicon resists the mechanism of action of plant disease, mainly concentrate on four aspects at present, one is physical barriers effect, i.e. the accumulation of silicon around pathogen p of E in host cell, the mechanical strength of cell wall can be strengthened, limit the formation of fungi haustorium and the development of germ tube and mycelia; Two generations that are silicon accumulation around pathogen p of E in host cell with aldehydes matter or lignin at these positions or accumulate relevant; Three is interactions of silicon and pathogen, thinks that the silicon of high concentration has inhibitory action to the sprouting of fungal spore and the growth of mycelia; Four is that silicon inducing plant disease resistance improves.
Sodium silicate, by soda ash and quartz sand Homogeneous phase mixing, obtains after cooling after being heated to 1150 DEG C of meltings, fragmentation.The fluid product of variable concentrations can be obtained with after hot water leaching, evaporation, 40,50 and 56 etc. can be divided into by Baume degrees.Sodium silicate is colourless monoclinic crystal.Relative density 2.614, fusing point 1089 DEG C, refractive index 1.52.Water soluble, is insoluble to alcohol.Moisture sodium silicate be white to grey powder or bulk, fusing point 48 DEG C, loses water of crystallization, the liquid in Viscous semi-transparent 100 DEG C time, can water-soluble and bases, and the aqueous solution, in alkalescence, is insoluble to acid and alcohol.Liquid sodium silicate can in colourless, brown color or dark green etc. with impure difference.Sodium silicate is actual is that industrial metasilicate product property is decided by Si0 with the inorganic polymer of the low polymerization degree of Si-O-Si chain connection 2and Na 2the ratio of 0, is called modulus, and modulus is called neutral water glass more than 3, and modulus is called alkaline water glass below 3.
Solution alkaline when sodium silicate dissolves, the sodium silicate PH of 0.05%-0.3% at the sodium silicate PH of about 9,0.4%-0.6% at the sodium silicate PH of about 10,0.7%-1% about 11.The lime solution of bordeaux mixture is replaced, with blue vitriol solution compatibility, for preparing the cotton-shaped compound of a kind of waterglass and blue vitriol with sodium silicate solution---cupric silicate and Kocide SD compound.
The present invention is directed to the limitation of existing bactericide physicochemical property, or reduce drug effect, or bad dispersibility, or poor adhesive force, or copper content is too low, can not meet existing demand.
Summary of the invention
In order to overcome defect of the prior art, the present invention proposes a kind of Inorganic Copper fungicide and its preparation method and application, prevents and treats corps diseases in the mode of environmental protection.
The present invention is achieved through the following technical solutions:
A kind of Inorganic Copper fungicide, is characterized in that, the raw material composition of described bactericide and weight portion are: blue vitriol 0.1-4 weight portion, waterglass 3-9 weight portion, water 500-1300 weight portion.
Described technical scheme is preferably, and the raw material composition of described bactericide and weight portion are: blue vitriol 1-2 weight portion, waterglass 5-7 weight portion, water 800-1000 weight portion.
A kind of preparation method of Inorganic Copper fungicide, it is characterized in that, first in stirred vessel, add the water of 500-700 weight portion, secondly the blue vitriol of 1-2 weight portion added stirred vessel, fully dissolve rear formation blue vitriol solution, add in described stirred vessel after finally the waterglass of 5-7 weight portion being diluted with 10 times of water, add water to 800-1000 weight portion and stir evenly.
Described technical scheme is preferably, and the modulus of described waterglass is 3.1-5.0.
Described technical scheme is preferably, and the modulus of described waterglass is 3.3.
A kind of Inorganic Copper fungicide is in the application of control corps diseases.
Described technical scheme is preferably, and described bactericide is used for preventing and treating peach scab.
Described technical scheme is preferably, and described bactericide is used for preventing and treating downy mildew of garpe, white rot.
Described technical scheme is preferably, and described bactericide is used for preventing and treating pear scab.
Described technical scheme is preferably, and described bactericide is for preventing and treating apple early defoliation.
Solution alkaline during described sodium silicate dissolving, the waterglass PH of 0.05%-0.3% at the waterglass PH of about 9,0.4%-0.6% at the waterglass PH of about 10,0.7%-1% about 11.The lime solution of existing bordeaux mixture is replaced, with blue vitriol solution compatibility, for preparing the cotton-shaped compound of a kind of waterglass and blue vitriol with water glass solution---cupric silicate and Kocide SD compound.
Compared with prior art, superior effect of the present invention is: the lime solution replacing bordeaux mixture with water glass solution, with blue vitriol solution compatibility, for preparing the bactericide of a kind of waterglass and blue vitriol.Described bactericide is for preventing and treating corps diseases, and its preparation method is simple, saving of labor, floccule suspension time are long, and after spraying crops, the blade face of crops is clean, residual without obvious medicinal powder, low cost of manufacture.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
A kind of Inorganic Copper fungicide of the present invention, containing blue vitriol, waterglass and water, is synergistic active ingredient with blue vitriol, waterglass, can also according to actual region, crops and environment need adjust configuration proportion, matching while using.
In a kind of Inorganic Copper fungicide of the present invention, according to concrete crops and the difference using region and environment, described waterglass and the mass ratio of blue vitriol are preferably 5-7Kg:1-2Kg, water 800-1000Kg.The experimental technique used in following embodiment if no special instructions, is conventional method; And material used, reagent etc., if no special instructions, all can obtain from commercial channels.
Embodiment 1
A kind of Inorganic Copper fungicide of the present invention is used for preventing and treating peach scab.Described waterglass and the mass ratio of blue vitriol are 6:1, and the mass percentage of waterglass is 0.6%-0.75%, and the mass percentage of blue vitriol is 0.1%-0.125%, and the mass percentage of water is 99.125%-99.3%; Concrete quality is respectively: waterglass 6Kg, blue vitriol 1Kg, water 800-1000Kg.The preparation method of described bactericide is, add water drum 600Kg, and the solution adding the 1Kg blue vitriol fully dissolved stirs evenly, and by the waterglass 6Kg of modulus 3.3 to add in above-mentioned solution after the dilution of 60Kg water, add water to 800-1000Kg and stir evenly, spraying uses.The spraying of described bactericide prevents and treats peach scab, broad-spectrum sterilization, is applicable to the copper agent compound of peach, applies in peach garden.Spraying single drug cost is down to every mu of 4-5 unit.In general peach is responsive to bactericide, the present invention only has slight poisoning at the peach florescence, performance tender leaf tip burn on leaf, after 1st physiological fallen fruit, namely full-bloom stage is after 20 days, by normal medicine frequency, drug safety does not have poisoning to peach 15 days intervals, for solving the high problem with being difficult to prevent and treat of peach fungal disease cost accounting.
Embodiment 2
A kind of Inorganic Copper fungicide of the present invention is used for preventing and treating downy mildew of garpe, white rot.Described waterglass and the mass ratio of blue vitriol are 5:2, and the mass percentage of waterglass is 0.5%-0.625%, and the mass percentage of blue vitriol is 0.2%-0.25%, and the mass percentage of water is 99.125%-99.3%; Concrete quality is respectively: waterglass 5Kg, blue vitriol 2Kg, water 800-1000Kg.The preparation method of described bactericide is, add water drum 600Kg, and the solution adding the 2Kg blue vitriol fully dissolved stirs evenly, and by the waterglass 5Kg of modulus 3.3 to add in above-mentioned solution after the dilution of 50Kg water, add water to 800-1000Kg and stir evenly, spraying uses.The spraying of described bactericide prevents and treats downy mildew of garpe, white rot etc., broad-spectrum sterilization, is applicable to copper agent compound viny, applies in vineyard.For the control of vine fungal disease, solve bordeaux mixture medicinal powder and cover pollution fruit, reduce cost accounting, reduce blue vitriol consumption.
Embodiment 3
A kind of Inorganic Copper fungicide of the present invention is used for preventing and treating pear scab.Described waterglass and the mass ratio of blue vitriol are 7:1, and the mass percentage of waterglass is 0.7%-0.875%, and the mass percentage of blue vitriol is 0.1%-0.125%, and the mass percentage of water is 99%-99.2%; Concrete quality is respectively: waterglass 7Kg, blue vitriol 1Kg, water 800-1000Kg.The preparation method of described bactericide is that add water 600Kg in drum, and the solution adding the 1Kg blue vitriol fully dissolved stirs evenly, and by the waterglass 7Kg of modulus 3.3 to add in above-mentioned solution after the dilution of 70Kg water, add water to 800-1000Kg and stir evenly, spraying uses.The spraying of described bactericide prevents and treats pear scab, broad-spectrum sterilization, is applicable to the copper agent compound of pear tree, applies in theatre.Described bactericide reduces cost accounting.
Embodiment 4
A kind of Inorganic Copper fungicide of the present invention is for preventing and treating apple early defoliation.Described waterglass and the mass ratio of blue vitriol are 6:1.5, and the mass percentage of described waterglass is 0.6%-0.75%, and the mass percentage of blue vitriol is 0.15%-0.1875%, and the mass percentage of water is 99.0625%-99.25%; Concrete quality is respectively: waterglass 6Kg, blue vitriol 1.5Kg, water 800-1000Kg.The preparation method of described bactericide is: add water drum 600Kg, and the solution adding the 1.5Kg blue vitriol fully dissolved stirs evenly, and by the waterglass 6Kg of modulus 3.3 to add in above-mentioned solution after the dilution of 60Kg water, add water to 800-1000Kg and stir evenly, spraying uses.The spraying control apple early defoliation of described bactericide, broad-spectrum sterilization, is applicable to the copper agent compound of apple tree, applies in apple orchard.Reduce drug cost.The application method of above-mentioned bactericide prepared by the present invention, with embodiment 1, can reach the control rate of more than 95% to fruit diseases control efficiency.
The present invention is not limited to above-mentioned embodiment, and when not deviating from flesh and blood of the present invention, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into protection scope of the present invention.

Claims (6)

1. an Inorganic Copper fungicide, is characterized in that, the raw material composition of described bactericide and weight portion are:
Blue vitriol 0.1-4 weight portion,
Waterglass 3-9 weight portion,
Water 500-1300 weight portion.
2. a kind of Inorganic Copper fungicide according to claim 1, is characterized in that, the raw material composition of described bactericide and weight portion are:
Blue vitriol 1-2 weight portion,
Waterglass 5-7 weight portion,
Water 800-1000 weight portion.
3. the preparation method of an Inorganic Copper fungicide, it is characterized in that, first in stirred vessel, add the water of 500-700 weight portion, secondly the blue vitriol of 1-2 weight portion added stirred vessel, fully dissolve rear formation blue vitriol solution, add in described stirred vessel after finally the waterglass of 5-7 weight portion being diluted with 10 times of water, add water to 800-1000 weight portion and stir evenly.
4. the modulus of described waterglass according to claim 3 is 3.1-5.0.
5. the modulus of described waterglass according to claim 4 is 3.3.
6. Inorganic Copper fungicide according to claim 1 and 2 is in the application of control corps diseases.
CN201510391256.4A 2015-07-06 2015-07-06 A kind of inorganic copper fungicide and its preparation method and application Expired - Fee Related CN104970044B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993007754A1 (en) * 1991-10-17 1993-04-29 Sheen Biotechnology Pty Ltd Pesticide and fungicide
JPH08283013A (en) * 1995-04-13 1996-10-29 Mizusawa Ind Chem Ltd Amorphous copper silicate, its production and application thereof
RO123312B1 (en) * 2008-10-02 2011-07-29 Lavimar Consult S.R.L. Insecticidal-fungicidal fireproof composition for wood protection
CN103931653A (en) * 2014-03-25 2014-07-23 河北省农林科学院昌黎果树研究所 Composition for controlling crop pests, preparation method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993007754A1 (en) * 1991-10-17 1993-04-29 Sheen Biotechnology Pty Ltd Pesticide and fungicide
JPH08283013A (en) * 1995-04-13 1996-10-29 Mizusawa Ind Chem Ltd Amorphous copper silicate, its production and application thereof
RO123312B1 (en) * 2008-10-02 2011-07-29 Lavimar Consult S.R.L. Insecticidal-fungicidal fireproof composition for wood protection
CN103931653A (en) * 2014-03-25 2014-07-23 河北省农林科学院昌黎果树研究所 Composition for controlling crop pests, preparation method and application thereof

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