CN112167271A - Biological fumigation synergistic composition, safe long-acting biological fumigant and application - Google Patents
Biological fumigation synergistic composition, safe long-acting biological fumigant and application Download PDFInfo
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Abstract
The application relates to the technical field of biological pesticides, and particularly discloses a biological fumigation synergistic composition, a safe and long-acting biological fumigant and application thereof. Meanwhile, the biological fumigant is prepared into a complexing agent, a soluble agent, an oil agent, an emulsifiable concentrate preparation, a microcapsule suspending agent and the like, so that the biological fumigant can be selected according to different occasions, and the biological fumigant has good stability and persistence.
Description
Technical Field
The application relates to the technical field of biological pesticides, in particular to a biological fumigation synergistic composition, a safe long-acting biological fumigant and application.
Background
At present, pest control mainly depends on chemical pesticide control, for example, pest control of soil-borne diseases and insect pests, grain storage pests, archival and cultural relic diseases and insect pests in storage rooms, goods diseases and insect pests in container boxes and other diseases and insect pests in open vessels or containers, but the drug resistance of the pests is continuously enhanced, the pests have the characteristic of high concealment, and the chemical control method is difficult to obtain ideal effect. For example, a grain storage pest fumigant is commonly used for controlling storage pests, the grain storage pest fumigant generates phosphine gas by reacting aluminum phosphide and water, the pests are fumigated by the phosphine gas, and if the reaction process of the aluminum phosphide and the water is not accurately controlled, and the phosphine gas and the oxygen are mixed to a certain ratio, the danger of explosion can occur. In addition, along with the long-time use of the grain storage pest fumigant, the pest also generates higher resistance, so that the fumigation effect of the currently used grain storage pest fumigant is not ideal, and the grain storage pest can be continuously harmed. Because the used chemical pesticides have high toxicity, potential safety hazards exist in the production and use processes, the problems of residues and environmental pollution exist, and the application prospect is limited, so that the research on a safe, long-acting and environment-friendly biological pesticide is urgently needed, and the research is very important.
Disclosure of Invention
In order to improve the using effect and safety of the biological fumigant, the application provides a biological fumigation synergistic composition, a safe long-acting biological fumigant and application.
In a first aspect, the present application provides a synergistic composition for biological fumigation, which adopts the following technical scheme:
a biological fumigation synergistic composition is prepared from raw materials containing athomin and a synergist, wherein the weight ratio of the athomin to the synergist is (1.5-99) to 1;
the synergist is one or more of eucalyptol, ethylicin and sec-butyl acetate.
By adopting the technical scheme, the athomin is an active essential oil substance extracted from horseradish plants, has unique irritation and pungent taste, is an isothiocyanate compound, and is widely present in cruciferous plants such as cabbage, broccoli, cauliflower, horseradish, mustard, kohlrabi, horseradish and the like. The athomin has stronger fumigation activity and also has the advantage of environmental friendliness. In the application, the synergist is added into the athomin, and the synergistic effect between the synergist and the athomin is utilized, so that the pesticide effect of the athomin is improved, and the biological fumigant has good use effect and safety.
Preferably, the weight ratio of the athomin to the synergist is (1.5-20): 1.
By adopting the technical scheme, the weight ratio of the athomin to the synergist is optimized, and the drug effect and the use effect of the biological fumigation synergistic composition are improved.
Preferably, the athomin is one or more of allyl isothiocyanate, ethyl isothiocyanate, phenyl isothiocyanate and benzyl isothiocyanate.
By adopting the technical scheme, the selection of the athomin is further optimized, the cost of the athomin is reduced while the pesticide effect of the athomin is maintained, and the practicability of the biological fumigation synergistic composition is improved.
Preferably, the composite material also comprises a synergistic auxiliary agent, the weight ratio of the synergistic agent to the synergistic auxiliary agent is (2-3):1, the synergistic auxiliary agent is a polymer shown in a formula I, and the structural formula of the polymer shown in the formula I is as follows:
wherein n is the number of chain links of the repeating unit of the polymer of formula I, and the average molecular weight of the copolymer of formula I is 0.5-1 ten thousand.
By adopting the technical scheme, the synergistic auxiliary is added into the biological fumigation synergistic composition, and the pesticide effect of the biological fumigation synergistic composition is further improved and the using effect of the biological fumigation agent is also improved through the synergistic effect among the athomin, the synergist and the synergistic auxiliary.
In a second aspect, the application provides a safe and long-acting biological fumigant, which adopts the following technical scheme:
a safe long-acting biological fumigant comprises the biological fumigation synergistic composition and is prepared by a physical or chemical process.
By adopting the technical scheme, the biological fumigation synergistic composition is applied to the biological fumigant, so that the application of the biological fumigant is facilitated.
Preferably, the fumigation composition is prepared from the following raw materials in parts by weight, and is sealed by a polyethylene black bottle, 30-40 parts of the biological fumigation synergistic composition, 45-64 parts of chlorinated paraffin and 6-15 parts of an emulsifier.
By adopting the technical scheme, the biological fumigant is prepared into the complexing agent, and the polyethylene small black bottle is used for sealing and storing, so that the polyethylene small black bottle not only can be used for shading treatment, but also can permeate through effective components, so that the biological fumigation synergistic composition slowly volatilizes, effectively fumigates and kills the elephant, the clothes of grain, the parlor and the like in the warehouse, prevents and controls pests from destroying stored grains, and simultaneously improves the pesticide effect and the lasting effect of the biological fumigant.
Preferably, the fumigant synergistic composition is prepared from the following raw materials in parts by weight, and is packaged by a polyvinyl alcohol water-soluble film, wherein the fumigant synergistic composition comprises 30-40 parts of the fumigant synergistic composition, 30-60 parts of a solvent and 5-30 parts of an emulsifier.
By adopting the technical scheme, the biological fumigant is prepared into a soluble solution or an oil agent or an emulsifiable solution preparation, and a polyvinyl alcohol water-soluble film is utilized for packaging. After the polyvinyl alcohol water-soluble film coated with the biological fumigant is buried in soil, the polyvinyl alcohol water-soluble film is broken when meeting moisture in the soil and releases effective components, so that the biological fumigation synergistic composition is slowly volatilized, the biological fumigation synergistic composition can effectively fumigate and kill pathogenic bacteria and root-knot nematodes in the soil, prevent and control soil-borne diseases, and improve the pesticide effect and the lasting effect of the biological fumigant.
Preferably, the fumigation composition is prepared from the following raw materials, by weight, 45-55 parts of the biological fumigation synergistic composition, 1.1-1.8 parts of the monomer, 19.1-34.6 parts of the solvent, 5-7 parts of the emulsifier, 4-6 parts of the dispersant, 0.1-0.3 part of the initiator and 8-13 parts of xanthan gum.
By adopting the technical scheme, the biological fumigant is prepared into the microcapsule suspending agent and is sprayed into soil, the biological fumigant releases effective components, so that the biological fumigation synergistic composition slowly volatilizes, the biological fumigation synergistic composition can effectively fumigate and kill pathogenic bacteria and root-knot nematodes in the soil, prevent and treat soil-borne diseases, and improve the pesticide effect and the lasting effect of the biological fumigant.
Preferably, the fumigation composition is prepared from the following raw materials, by weight, 40-50 parts of the biological fumigation synergistic composition, 9-13 parts of a humectant, 35-45 parts of a slow release agent and 2-6 parts of a wetting dispersant.
By adopting the technical scheme, the biological fumigant is prepared into a paste or a block, the biological fumigant releases effective components, so that the biological fumigation synergistic composition slowly volatilizes, effectively fumigates the elephant, the clothes of corn, the clothes of grain, the parrots and the like in the warehouse, prevents and controls pests from damaging stored grains, and is added with the slow release agent to further improve the lasting effect of the biological fumigant.
Preferably, the biological fumigation synergistic composition is prepared from the following raw materials, by weight, 10-30 parts of the biological fumigation synergistic composition and 70-90 parts of a polymer base material.
By adopting the technical scheme, the biological fumigation synergistic composition is combined with the polymer base material, the biological fumigation synergistic composition is embedded and uniformly implanted into a polymer base material system in situ in the cross-linking polymerization process of the N-alkyl substituted acrylamide, the polymer base material can be polyamide resin, high-density polyethylene, medium-density polyethylene, low-density polyethylene, linear low-density polyethylene, polyurethane, modified polyurethane and the like, a grid structure is formed, the surface area of the biological fumigation synergistic composition is increased, the biological fumigation synergistic composition is slowly volatilized, the released biological fumigation synergistic composition effectively fumigates white ants, tobacco nails and the like in storeroom files or archives, and meanwhile, the lasting effect of the biological fumigant is further improved.
In a fourth aspect, the application provides an application of a safe and long-acting biological fumigant, which adopts the following technical scheme:
the application of a safe and long-acting biological fumigant is to use the biological fumigant for the control of pests.
By adopting the technical scheme, the application of the biological fumigant is facilitated.
In summary, the present application has the following beneficial effects:
1. the synergistic agent is added into the athomin, the synergistic effect of the athomin is improved by utilizing the synergistic effect of the athomin and the athomin, the biological fumigation synergistic composition is prepared into the biological fumigant by a physical or chemical method, so that the biological fumigation synergistic composition is slowly volatilized, the persistence of the biological fumigant is prolonged, and the biological fumigant has the advantage of stable effect.
2. The biological fumigant is prepared into a complexing agent, a soluble agent, an oil agent, an emulsifiable solution preparation, a microcapsule suspending agent and the like, so that the biological fumigant can be selected according to different occasions, and the practicability and the applicability of the biological fumigant are improved.
Detailed Description
The present application will be described in further detail with reference to examples.
TABLE 1 raw material ratio (unit: kg) of biological fumigant in examples 1-4
| Raw materials | Example 1 | Example 2 | Example 3 | Example 4 |
| Biological fumigation synergistic composition | 30 | 33 | 35 | 40 |
| Chlorinated paraffin | 64 | 58 | 52 | 45 |
| Emulsifier | 6 | 9 | 13 | 15 |
| Total up to | 100 | 100 | 100 | 100 |
Example 1
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 1.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 10: 1.
The allyl isothiocyanate is 80% allyl isothiocyanate mother drug.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
and adding chlorinated paraffin into the biological fumigation synergistic composition, fully mixing, then adding an emulsifier, fully mixing, and continuously stirring for 0.5h to obtain the biological fumigant.
And (3) filling the biological fumigant into a polyethylene small black bottle, wherein the polyethylene small black bottle can permeate the effective components, and sealing to obtain a finished product.
The product can be used for controlling pests in stored grains.
Wherein the chlorinated paraffin is chlorinated paraffin 52 and is selected from Weifang Shengbang Biotechnology Co., Ltd.
The emulsifier is a mixture of span and tween, the weight ratio of span to tween is 4:5, the span is span 80 and is selected from Xian Musson bioengineering Co., Ltd; tween is Tween 80, and is selected from Rihua Biotech limited in Hebei.
Example 2
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 1.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 3.125: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
and adding chlorinated paraffin into the biological fumigation synergistic composition, fully mixing, then adding an emulsifier, fully mixing, and continuously stirring for 0.7h to obtain the biological fumigant.
And (3) filling the biological fumigant into a polyethylene small black bottle, wherein the polyethylene small black bottle can permeate the effective components, and sealing to obtain a finished product.
The product can be used for controlling pests in stored grains.
Wherein the chlorinated paraffin is chlorinated paraffin 52 and is selected from Weifang Shengbang Biotechnology Co., Ltd.
The emulsifier is a mixture of span and tween, the weight ratio of span to tween is 4:5, the span is span 80 and is selected from Xian Musson bioengineering Co., Ltd; tween is Tween 80, and is selected from Rihua Biotech limited in Hebei.
Example 3
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 1.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 5: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and phenyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the phenyl isothiocyanate is 2:1, and the allyl isothiocyanate is 80% of an allyl isothiocyanate parent drug.
The synergist is ethylicin.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
and adding chlorinated paraffin into the biological fumigation synergistic composition, fully mixing, then adding an emulsifier, fully mixing, and continuously stirring for 0.8h to obtain the biological fumigant.
And (3) filling the biological fumigant into a polyethylene small black bottle, wherein the polyethylene small black bottle can permeate the effective components, and sealing to obtain a finished product.
The product can be used for controlling pests in stored grains.
Wherein the chlorinated paraffin is chlorinated paraffin 52 and is selected from Weifang Shengbang Biotechnology Co., Ltd.
The emulsifier is a mixture of span and tween, the weight ratio of span to tween is 2:3, the span is span 80 and is selected from the Xian Musson bioengineering Co., Ltd; tween is Tween 80, and is selected from Rihua Biotech limited in Hebei.
Example 4
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 1.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 1.5: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and benzyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the benzyl isothiocyanate is 3:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is ethylicin.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
and adding chlorinated paraffin into the biological fumigation synergistic composition, fully mixing, then adding an emulsifier, fully mixing, and continuously stirring for 1h to obtain the biological fumigant.
And (3) filling the biological fumigant into a polyethylene small black bottle, wherein the polyethylene small black bottle can permeate the effective components, and sealing to obtain a finished product.
The product can be used for controlling pests in stored grains.
Wherein the chlorinated paraffin is chlorinated paraffin 52 and is selected from Weifang Shengbang Biotechnology Co., Ltd.
The emulsifier is a mixture of span and tween, the weight ratio of span to tween is 2:3, the span is span 80 and is selected from the Xian Musson bioengineering Co., Ltd; tween is Tween 80, and is selected from Rihua Biotech limited in Hebei.
Example 5
The safe long-acting biological fumigant has the same raw material ratio as that of the biological fumigant in example 2, and is different from the biological fumigation synergistic composition in the raw material and the preparation method of the biological fumigation synergistic composition in example 2.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist and a synergistic additive into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 3.125: 1.
The weight ratio of the synergist to the synergistic auxiliary agent is 2: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
Synergist the polymer of formula I has the structural formula:
n is the number of chain links of the repeating unit of the polymer of formula I, and the average molecular weight of the copolymer of formula I is 0.5 ten thousand.
The synergistic auxiliary agent is prepared by the following method:
adding 3, 5-dimethyl-1, 3, 5-thiadiazine-2-thione into 10kg of water, wherein the weight ratio of the water to the 3, 5-dimethyl-1, 3, 5-thiadiazine-2-thione is 10:1, stirring and fully mixing, heating to 40 ℃, carrying out heat preservation treatment for 30min, then adding a hydrochloric acid solution, wherein the weight ratio of the water to the hydrochloric acid solution is 32:1, the weight concentration of the hydrochloric acid solution is 20%, continuing stirring, carrying out heat preservation treatment for 3h, adding a sodium hydroxide solution to adjust the pH value to 6.5, and the weight concentration of the sodium hydroxide solution is 15%, so as to obtain a semi-finished product.
Heating 5kg of water to 80 ℃, adding ammonium persulfate, wherein the weight ratio of the water to the ammonium persulfate is 50:1, stirring and fully mixing, then dropwise adding the semi-finished product, continuously stirring after the dropwise adding of the semi-finished product is finished within 50min, carrying out heat preservation treatment for 4h, purifying and drying to obtain the synergistic additive.
Example 6
The safe long-acting biological fumigant has the same raw material ratio as that of the biological fumigant in example 2, and is different from the biological fumigation synergistic composition in the raw material and the preparation method of the biological fumigation synergistic composition in example 2.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist and a synergistic additive into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 3.125: 1.
The weight ratio of the synergist to the synergistic auxiliary agent is 2.5: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
Synergist the polymer of formula I has the structural formula:
n is the number of chain links of the repeating unit of the polymer of formula I, and the average molecular weight of the copolymer of formula I is 0.8 ten thousand.
The synergistic auxiliary agent is prepared by the following method:
adding 3, 5-dimethyl-1, 3, 5-thiadiazine-2-thione into 10kg of water, wherein the weight ratio of the water to the 3, 5-dimethyl-1, 3, 5-thiadiazine-2-thione is 10:1, stirring and fully mixing, heating to 45 ℃, carrying out heat preservation treatment for 25min, then adding a hydrochloric acid solution, wherein the weight ratio of the water to the hydrochloric acid solution is 32:1, the weight concentration of the hydrochloric acid solution is 20%, continuing stirring, carrying out heat preservation treatment for 3.5h, adding a sodium hydroxide solution to adjust the pH value to 7, and the weight concentration of the sodium hydroxide solution is 15%, thus obtaining a semi-finished product.
Heating 5kg of water to 85 ℃, adding ammonium persulfate, wherein the weight ratio of the water to the ammonium persulfate is 50:1, stirring and fully mixing, then dropwise adding the semi-finished product, stirring continuously within 40min after dropwise adding the semi-finished product, carrying out heat preservation treatment for 3h, purifying and drying to obtain the synergistic additive.
Example 7
The safe long-acting biological fumigant has the same raw material ratio as that of the biological fumigant in example 2, and is different from the biological fumigation synergistic composition in the raw material and the preparation method of the biological fumigation synergistic composition in example 2.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist and a synergistic additive into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 3.125: 1.
The weight ratio of the synergist to the synergistic auxiliary agent is 3: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
Synergist the polymer of formula I has the structural formula:
n is the number of chain links of the repeating unit of the polymer of formula I, and the average molecular weight of the copolymer of formula I is 1 ten thousand.
The synergistic auxiliary agent is prepared by the following method:
adding 3, 5-dimethyl-1, 3, 5-thiadiazine-2-thione into 10kg of water, wherein the weight ratio of the water to the 3, 5-dimethyl-1, 3, 5-thiadiazine-2-thione is 10:1, stirring and fully mixing, heating to 50 ℃, carrying out heat preservation treatment for 20min, then adding a hydrochloric acid solution, wherein the weight ratio of the water to the hydrochloric acid solution is 32:1, the weight concentration of the hydrochloric acid solution is 20%, continuing stirring, carrying out heat preservation treatment for 3h, adding a sodium hydroxide solution to adjust the pH value to 7.5, and the weight concentration of the sodium hydroxide solution is 15%, so as to obtain a semi-finished product.
Heating 5kg of water to 90 ℃, adding ammonium persulfate, wherein the weight ratio of the water to the ammonium persulfate is 50:1, stirring and fully mixing, then dropwise adding the semi-finished product, stirring continuously after the dropwise adding of the semi-finished product is finished within 30min, carrying out heat preservation treatment for 2h, purifying and drying to obtain the synergistic additive.
TABLE 2 raw material ratio (unit: kg) of biological fumigant in examples 8-10
| Raw materials | Example 8 | Example 9 | Example 10 |
| Biological fumigation synergistic composition | 30 | 33 | 40 |
| Solvent(s) | 65 | 57 | 30 |
| Emulsifier | 5 | 10 | 30 |
| Total up to | 100 | 100 | 100 |
Example 8
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 2.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 5: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and phenyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the phenyl isothiocyanate is 2:1, and the allyl isothiocyanate is 80% of an allyl isothiocyanate parent drug.
The synergist is ethylicin.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
adding solvent and emulsifier into the biological fumigation synergistic composition, fully mixing, and continuously stirring for 0.5h to obtain the biological fumigant.
And (3) packaging the biological fumigant in a polyvinyl alcohol water-soluble film, wherein the polyvinyl alcohol water-soluble film is cracked when meeting moisture in soil to obtain a finished product.
The product can be used for controlling soil diseases and insect pests by fumigation.
Wherein the solvent is cyclohexanone.
The emulsifier is a mixture of calcium dodecyl benzene sulfonate and phenethyl phenol polyoxyethylene ether, the weight ratio of the calcium dodecyl benzene sulfonate to the phenethyl phenol polyoxyethylene ether is 3:4, and the phenethyl phenol polyoxyethylene ether is phenethyl phenol polyoxyethylene ether 600 and is selected from the company of Chachentai blue sky fine chemical industry Co.
Example 9
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 2.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 3.125: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
adding solvent and emulsifier into the biological fumigation synergistic composition, fully mixing, and continuously stirring for 0.8h to obtain the biological fumigant.
And (3) packaging the biological fumigant in a polyvinyl alcohol water-soluble film, wherein the polyvinyl alcohol water-soluble film is cracked when meeting moisture in soil to obtain a finished product.
The product can be used for controlling soil diseases and insect pests by fumigation.
Wherein the solvent is cyclohexanone.
The emulsifier is a mixture of calcium dodecyl benzene sulfonate and phenethyl phenol polyoxyethylene ether, the weight ratio of the calcium dodecyl benzene sulfonate to the phenethyl phenol polyoxyethylene ether is 4:5, and the phenethyl phenol polyoxyethylene ether is phenethyl phenol polyoxyethylene ether 600 and is selected from the company of Chachentai blue sky fine chemical industry Co.
Example 10
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 2.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 1.5: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and benzyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the benzyl isothiocyanate is 3:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
adding solvent and emulsifier into the biological fumigation synergistic composition, fully mixing, and continuously stirring for 1h to obtain the biological fumigant.
And (3) packaging the biological fumigant in a polyvinyl alcohol water-soluble film, wherein the polyvinyl alcohol water-soluble film is cracked when meeting moisture in soil to obtain a finished product.
The product can be used for controlling soil diseases and insect pests by fumigation.
Wherein the solvent is cyclohexanone.
The emulsifier is a mixture of calcium dodecyl benzene sulfonate and phenethyl phenol polyoxyethylene ether, the weight ratio of the calcium dodecyl benzene sulfonate to the phenethyl phenol polyoxyethylene ether is 2:3, and the phenethyl phenol polyoxyethylene ether is phenethyl phenol polyoxyethylene ether 600 and is selected from the company of Chachentai blue sky fine chemical industry Co.
TABLE 3 raw material ratio (unit: kg) of biological fumigant in examples 11-13
| Raw materials | Example 11 | Example 12 | Example 13 |
| Biological fumigation synergistic composition | 45 | 50 | 55 |
| Monomer | 1.1 | 1.55 | 1.8 |
| Solvent(s) | 34.6 | 27.25 | 19.1 |
| Emulsifier | 7 | 6 | 5 |
| Dispersing agent | 4 | 5 | 6 |
| Initiator | 0.3 | 0.2 | 0.1 |
| Xanthan gum | 8 | 10 | 13 |
| Total up to | 100 | 100 | 100 |
Example 11
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 3.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 5: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and phenyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the phenyl isothiocyanate is 2:1, and the allyl isothiocyanate is 80% of an allyl isothiocyanate parent drug.
The synergist is ethylicin.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
and adding a monomer into the biological fumigation synergistic composition, and fully mixing to obtain a mixed material a.
And (3) adding an emulsifier and a dispersant into water, and fully mixing to obtain a mixed material b.
And slowly adding the mixed material a into the mixed material b, adding the mixed material a within 3h, then adding an initiator, carrying out reaction treatment for 1h, then adding xanthan gum, fully mixing, and continuously stirring for 1h to obtain the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing soil pests.
Wherein the solvent is water.
The emulsifier is alkoxylated alcohol nonionic surfactant, and the alkoxylated alcohol nonionic surfactant is emulsifier LF901 and is selected from Basff.
The dispersant is polycarboxylate nonionic surfactant, and the polycarboxylate nonionic surfactant is dispersant Atlox4913 and is selected from Croda Posize.
The monomer is polyphenyl polymethylene polyisocyanate.
The initiator is ethylenediamine.
The xanthan gum is 0.15% xanthan gum solution, and is selected from Hongtao bioengineering, Inc. of Hebei province.
Example 12
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 3.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 1.5: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
and adding a monomer into the biological fumigation synergistic composition, and fully mixing to obtain a mixed material a.
And (3) adding an emulsifier and a dispersant into water, and fully mixing to obtain a mixed material b.
And slowly adding the mixed material a into the mixed material b, adding the mixed material a within 3.5h, then adding an initiator, carrying out reaction treatment for 0.8h, then adding xanthan gum, fully mixing, and continuously stirring for 0.8h to obtain the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing soil pests.
Wherein the solvent is water.
The emulsifier is alkoxylated alcohol nonionic surfactant, and the alkoxylated alcohol nonionic surfactant is emulsifier LF901 and is selected from Basff.
The dispersant is polycarboxylate nonionic surfactant, and the polycarboxylate nonionic surfactant is dispersant Atlox4913 and is selected from Croda Posize.
The monomer is polyphenyl polymethylene polyisocyanate.
The initiator is ethylenediamine.
The xanthan gum is 0.15% xanthan gum solution, and is selected from Hongtao bioengineering, Inc. of Hebei province.
Example 13
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 3.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 3: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and benzyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the benzyl isothiocyanate is 3:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
and adding a monomer into the biological fumigation synergistic composition, and fully mixing to obtain a mixed material a.
And (3) adding an emulsifier and a dispersant into water, and fully mixing to obtain a mixed material b.
And slowly adding the mixed material a into the mixed material b, adding the initiator after the mixed material a is added within 4 hours, reacting for 0.5 hour, adding xanthan gum, fully mixing, and continuously stirring for 0.5 hour to obtain the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing soil pests.
Wherein the solvent is water.
The emulsifier is alkoxylated alcohol nonionic surfactant, and the alkoxylated alcohol nonionic surfactant is emulsifier LF901 and is selected from Basff.
The dispersant is polycarboxylate nonionic surfactant, and the polycarboxylate nonionic surfactant is dispersant Atlox4913 and is selected from Croda Posize.
The monomer is polyphenyl polymethylene polyisocyanate.
The initiator is ethylenediamine.
The xanthan gum is 0.15% xanthan gum solution, and is selected from Hongtao bioengineering, Inc. of Hebei province.
TABLE 4 raw material ratio (unit: kg) of biological fumigant in examples 14-16
| Raw materials | Example 14 | Example 15 | Example 16 |
| Biological fumigation synergistic composition | 40 | 46 | 50 |
| Moisture-retaining agent | 13 | 10 | 9 |
| Sustained release agent | 45 | 40 | 35 |
| Wetting and dispersing agent | 2 | 4 | 6 |
| Total up to | 100 | 100 | 100 |
Example 14
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 4.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 20: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and phenyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the phenyl isothiocyanate is 2:1, and the allyl isothiocyanate is 80% of an allyl isothiocyanate parent drug.
The synergist is eucalyptol, and the eucalyptol is 70% eucalyptol solution.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
adding a humectant into the biological fumigation synergistic composition, and fully mixing to obtain a mixed material a.
And (3) fully mixing the slow release agent and the wetting dispersant, heating to 60 ℃, carrying out heat preservation treatment for 1h, then adding the mixed material a, fully mixing, cooling and solidifying to obtain the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing pests in stored grains.
Wherein the sustained release agent is polyethylene glycol, the polyethylene glycol is polyethylene glycol 6000, and is selected from Wuhan far city science and technology development Co.
The humectant is oil polyether, and the oil polyether is selected from humectant G18 and Nantong Chen Runjiang chemical Co.
The wetting dispersant is PE, the PE is wetting dispersant PE10500, and is selected from Shanghai Mingjie chemical technology Co.
Example 15
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 4.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 14.3: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is ethylicin.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
adding a humectant into the biological fumigation synergistic composition, and fully mixing to obtain a mixed material a.
And (3) fully mixing the slow release agent and the wetting dispersant, heating to 65 ℃, carrying out heat preservation treatment for 0.8h, then adding the mixed material a, fully mixing, cooling and solidifying to obtain the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing pests in stored grains.
Wherein the sustained release agent is polyethylene glycol, the polyethylene glycol is polyethylene glycol 6000, and is selected from Wuhan far city science and technology development Co.
The humectant is oil polyether, and the oil polyether is selected from humectant G18 and Nantong Chen Runjiang chemical Co.
The wetting dispersant is PE, the PE is wetting dispersant PE10500, and is selected from Shanghai Mingjie chemical technology Co.
Example 16
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 4.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 10: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and benzyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the benzyl isothiocyanate is 3:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is ethylicin.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
adding a humectant into the biological fumigation synergistic composition, and fully mixing to obtain a mixed material a.
And (3) fully mixing the slow release agent and the wetting dispersant, heating to 70 ℃, carrying out heat preservation treatment for 0.5h, then adding the mixed material a, fully mixing, cooling and solidifying to obtain the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing pests in stored grains.
Wherein the sustained release agent is polyethylene glycol, the polyethylene glycol is polyethylene glycol 6000, and is selected from Wuhan far city science and technology development Co.
The humectant is oil polyether, and the oil polyether is selected from humectant G18 and Nantong Chen Runjiang chemical Co.
The wetting dispersant is PE, the PE is wetting dispersant PE10500, and is selected from Shanghai Mingjie chemical technology Co.
TABLE 5 raw material ratio (unit: kg) of biological fumigant in examples 17-21
| Raw materials | Example 17 | Example 18 | Example 19 | Example 20 | Example 21 |
| Biological fumigation synergistic composition | 30 | 25 | 20 | 15 | 10 |
| Base body | 70 | 75 | 80 | 85 | 90 |
| Total up to | 100 | 100 | 100 | 100 | 100 |
Example 17
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 5.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 7: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and phenyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the phenyl isothiocyanate is 2:1, and the allyl isothiocyanate is 80% of an allyl isothiocyanate parent drug.
The synergist is eucalyptol, and the weight percentage of the eucalyptol is 70%.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
combining the biological fumigation synergistic composition with a polymer base material, reacting the biological fumigation synergistic composition with the polymer base material, embedding and implanting the biological fumigation synergistic composition into the polymer base material to form a grid structure, and thus obtaining the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing diseases and insect pests of files and archives in a storeroom.
Wherein the polymer base material is polyamide resin, the polyamide resin is 651, and is selected from Shandong Kepler Biotech limited.
Example 18
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 5.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 30: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and phenyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the phenyl isothiocyanate is 2:1, and the allyl isothiocyanate is 80% of an allyl isothiocyanate parent drug.
The synergist is ethylicin.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
combining the biological fumigation synergistic composition with a polymer base material, reacting the biological fumigation synergistic composition with the polymer base material, embedding and implanting the biological fumigation synergistic composition into the polymer base material to form a grid structure, and thus obtaining the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing diseases and insect pests of files and archives in a storeroom.
Wherein the high-molecular base material is high-density polyethylene, the high-density polyethylene is DMDA8008, and is selected from the group consisting of the volcanic oil and the petrochemicals.
Example 19
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 5.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 50: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is sec-butyl acetate.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
combining the biological fumigation synergistic composition with a polymer base material, reacting the biological fumigation synergistic composition with the polymer base material, embedding and implanting the biological fumigation synergistic composition into the polymer base material to form a grid structure, and thus obtaining the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing diseases and insect pests of files and archives in a storeroom.
Wherein the polymer base material is medium density polyethylene (SP 980), and is selected from Shanghai plastic Rice information technology Co., Ltd.
Example 20
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 5.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 70: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and ethyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the ethyl isothiocyanate is 4:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is sec-butyl acetate.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
combining the biological fumigation synergistic composition with a polymer base material, reacting the biological fumigation synergistic composition with the polymer base material, embedding and implanting the biological fumigation synergistic composition into the polymer base material to form a grid structure, and thus obtaining the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing diseases and insect pests of files and archives in a storeroom.
Wherein the polymer base material is low density polyethylene, the low density polyethylene is SP0540, and is selected from Shanghai plasticizer.
Example 21
A safe long-acting biological fumigant comprises the raw materials in the proportion shown in Table 5.
The biological fumigation synergistic composition is prepared by the following steps: adding a synergist into the athomin, and fully mixing to obtain the biological fumigation synergistic composition.
The weight ratio of the athomin to the synergist is 99: 1.
The allyl isothiocyanate is a mixture of allyl isothiocyanate and benzyl isothiocyanate, the weight ratio of the allyl isothiocyanate to the benzyl isothiocyanate is 3:1, and the allyl isothiocyanate is 80% of allyl isothiocyanate mother medicine.
The synergist is sec-butyl acetate.
A preparation method of a safe long-acting biological fumigant comprises the following steps:
combining the biological fumigation synergistic composition with a polymer base material, reacting the biological fumigation synergistic composition with the polymer base material, embedding and implanting the biological fumigation synergistic composition into the polymer base material to form a grid structure, and thus obtaining the biological fumigant.
The biological fumigant is used for fumigating, killing and preventing diseases and insect pests of files and archives in a storeroom.
Wherein the polymer base material is polyurethane, the polyurethane is WHT1190, and is selected from Huaxin foaming plastic material Co., Ltd.
Comparative example
Comparative example 1
The comparative example and the example 2 are characterized in that no synergist is added in the raw materials of the biological fumigation synergistic composition.
Comparative example 2
The comparative example and the example 9 are different in that no synergist is added in the raw materials of the biological fumigation synergistic composition.
Comparative example 3
The comparative example and the example 12 are different in that no synergist is added in the raw materials of the biological fumigation synergistic composition.
Comparative example 4
The comparative example and the example 15 are different in that no synergist is added in the raw materials of the biological fumigation synergistic composition.
Comparative example 5
The comparative example and the example 19 are different in that no synergist is added in the raw materials of the biological fumigation synergistic composition.
The safe and long-acting biological fumigants of examples 1 to 7, example and comparative example 1 were prepared into samples, applied to a grain storage warehouse, the volume of the grain storage warehouse was 5m × 5m × 5m, 100kg of wheat, 100 corn elephant, or corn bagel, or tribolium castaneum was placed in the grain storage warehouse, after normal rearing for 24 hours, 5g of the biological fumigant was placed in the grain storage warehouse, 2 days later, the mortality of plant diseases and insect pests was measured, then 100 corn elephant, corn bagel, or tribolium castaneum was placed in the grain storage warehouse, the operation was repeated, the mortality of plant diseases and insect pests of the biological fumigant after 3 times of repeated use was measured, and the measurement results are shown in table 6.
TABLE 6 test results of examples 1 to 7 and comparative example 1
As can be seen from table 6, when the biological fumigant of the present application is applied to a grain storage warehouse, elephant corn, corn bagel and tribolium castaneum in the warehouse can be effectively fumigated, and a synergist is added to the athomin, so that not only the efficacy of the biological fumigant is improved, but also the persistence of the biological fumigant is improved. The synergistic auxiliary agent is added into the athomin, so that the drug effect of the biological fumigant is further improved.
The safe and long-acting biological preparation samples of the examples 8-10 and the comparative example 2 are applied to soil, the weight of the soil is 1kg, 100 head root rot nematodes or peanut root knot nematodes are added into the soil, after the soil is normally raised for 24h, 5g of biological fumigant is added into the soil, the soil is sealed, after 2 days, the death rate of plant diseases and insect pests is detected, then 100 head root rot nematodes or peanut root knot nematodes are added into a grain storage bin, the operation is repeated, the death rate of plant diseases and insect pests of the biological fumigant after 3 times of repeated use is detected, and the detection results are shown in table 7.
TABLE 7 examination results of examples 8 to 10 and comparative example 2
As can be seen from table 7, the biological fumigant of the present application can effectively kill nematodes and root-knot nematodes in soil when applied to a grain storage warehouse, and the synergistic agent is added to the athomin, so that not only the efficacy of the biological fumigant is improved, but also the persistence of the biological fumigant is improved.
The safe and long-acting biological preparation samples of examples 11 to 13 and comparative example 3 were applied to soil, the weight of the soil was 1kg, 100 head root rot nematodes or peanut root knot nematodes were added to the soil, after normal rearing for 24h, 5g of biological fumigant was added to the soil, sealing was performed, after 2 days, the mortality of plant diseases and insect pests was measured, then 100 head root rot nematodes or peanut root knot nematodes were added to the grain storage, the operation was repeated, and the mortality of plant diseases and insect pests of the biological fumigant after 3 times of repeated use was measured, with the results shown in table 8.
TABLE 8 test results of examples 11 to 13 and comparative example 3
As can be seen from table 8, the biological fumigant of the present application can effectively kill nematodes and root-knot nematodes in soil when applied to a grain storage warehouse, and the synergistic agent is added to the athomin, so that not only the efficacy of the biological fumigant is improved, but also the persistence of the biological fumigant is improved.
The safe and long-acting biological preparation samples of examples 14 to 16 and comparative example 4 were applied to a storage barn having a volume of 5m × 5m × 5m, 100kg of wheat, 100 troughlike or bagel or tribolium castaneum was placed in the storage barn, after the normal rearing for 24 hours, 5g of biological fumigant was put into the storage barn, 2 days later, the mortality of plant diseases and insect pests was measured, 100 troughlike or bagel or tribolium castaneum was put into the storage barn, the operation was repeated, the mortality of plant diseases and insect pests of the biological fumigant after 3 times of repeated use was measured, and the measurement results are shown in table 9.
TABLE 9 test results of examples 14 to 16 and comparative example 4
As can be seen from table 9, when the biological fumigant of the present application is applied to a grain storage warehouse, elephant corn, corn bagel and tribolium castaneum in the warehouse can be effectively fumigated, and a synergist is added to the athomin, so that not only the efficacy of the biological fumigant is improved, but also the persistence of the biological fumigant is improved.
The safe and long-acting biological preparation samples of examples 17 to 21 and comparative example 5 were applied to a storage room having a volume of 5m × 5m × 5m, 100kg of paper documents, 100 termites or tobacco nails were placed in the storage room, and after normal rearing for 24 hours, 5g of biological fumigant was put into the storage room, and after 2 days, the mortality of plant diseases and insect pests was examined, and after 100 termites or tobacco nails were put into the storage room, the operation was repeated, and the mortality of plant diseases and insect pests of the biological fumigant after 3 times of repeated use was examined, and the examination results are shown in table 10.
TABLE 10 examination results of examples 17 to 21 and comparative example 5
As can be seen from table 10, the biological fumigant of the present application can effectively store white ants and tobacco beetles in a grain storage warehouse when being applied to the grain storage warehouse, and the synergist is added to the athomin, so that not only the efficacy of the biological fumigant is improved, but also the persistence of the biological fumigant is improved.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (11)
1. A biological fumigation synergistic composition is characterized in that: the horse radish seed dressing is prepared from raw materials containing horse radish and a synergist, wherein the weight ratio of the horse radish and the synergist is (1.5-99) to 1;
the synergist is one or more of eucalyptol, ethylicin and sec-butyl acetate.
2. The synergistic biological fumigation composition as defined in claim 1, wherein: the weight ratio of the athomin to the synergist is (1.5-20) to 1.
3. The synergistic biological fumigation composition as defined in claim 1, wherein: the allyl isothiocyanate, the ethyl isothiocyanate, the phenyl isothiocyanate and the benzyl isothiocyanate are one or more selected from the group consisting of allyl isothiocyanate, ethyl isothiocyanate, phenyl isothiocyanate and benzyl isothiocyanate.
4. The synergistic biological fumigation composition as defined in claim 1, wherein: the weight ratio of the synergist to the synergist is (2-3):1, the synergist is a polymer shown in formula I, and the structural formula of the polymer shown in formula I is as follows:
wherein n is the number of chain links of the repeating unit of the polymer of formula I, and the average molecular weight of the copolymer of formula I is 0.5-1 ten thousand.
5. A safe long-acting biological fumigant is characterized in that: a biological fumigation synergistic composition comprising the biological fumigation synergistic composition as defined in any one of claims 1 to 4 and prepared by a physical or chemical process.
6. A safe long-acting biological fumigant as claimed in claim 5, wherein: the fumigation composition is prepared from the following raw materials in parts by weight, and is sealed and stored by a polyethylene black bottle, 30-40 parts of a biological fumigation synergistic composition, 45-64 parts of chlorinated paraffin and 6-15 parts of an emulsifier.
7. A safe long-acting biological fumigant as claimed in claim 5, wherein: the fumigation composition is prepared from the following raw materials in parts by weight, and is packaged by a polyvinyl alcohol water-soluble film, wherein the biological fumigation synergistic composition comprises 30-40 parts of biological fumigation synergistic composition, 30-60 parts of solvent and 5-30 parts of emulsifier.
8. A safe long-acting biological fumigant as claimed in claim 5, wherein: the biological fumigation synergistic agent is prepared from the following raw materials, by weight, 45-55 parts of a biological fumigation synergistic composition, 1.1-1.8 parts of a monomer, 19.1-34.6 parts of a solvent, 5-7 parts of an emulsifier, 4-6 parts of a dispersant, 0.1-0.3 part of an initiator and 8-13 parts of xanthan gum.
9. A safe long-acting biological fumigant as claimed in claim 5, wherein: the biological fumigation synergistic composition is prepared from the following raw materials, by weight, 40-50 parts of a biological fumigation synergistic composition, 9-13 parts of a humectant, 35-45 parts of a slow release agent and 2-6 parts of a wetting dispersant.
10. A safe long-acting biological fumigant as claimed in claim 5, wherein: the biological fumigation synergistic composition is prepared from the following raw materials, by weight, 10-30 parts of a biological fumigation synergistic composition and 70-90 parts of a polymer base material.
11. The use of a safe and long-acting biological fumigant as claimed in claim 5, wherein the biological fumigant is used for pest control.
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| CN113303051A (en) * | 2021-05-18 | 2021-08-27 | 北京亚戈农生物药业有限公司 | Method for comprehensively improving and restoring soil and application thereof |
| CN113519544A (en) * | 2021-08-27 | 2021-10-22 | 皖南医学院 | Plant source acaricide and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303051A (en) * | 2021-05-18 | 2021-08-27 | 北京亚戈农生物药业有限公司 | Method for comprehensively improving and restoring soil and application thereof |
| CN113519544A (en) * | 2021-08-27 | 2021-10-22 | 皖南医学院 | Plant source acaricide and preparation method and application thereof |
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