CN100496250C - Agricultural sterilizing and disinfecting composition, preparation method and application thereof - Google Patents

Abstract

The invention relates to agricultural disinfection and sterilization compositions, their preparation method and application. The agricultural disinfection and sterilization composition is composed of active components such as sodium dichloroisocyanurate and potassium dichloroisocyanurate, and auxiliary agents, synergists, stabilizers or combustion aids. The agricultural disinfection and sterilization composition significantly slows down the generation of drug resistance, improves the use effect and reduces the use cost while reducing the dosage of the drug, and has very obvious economic benefits in agriculture.

Description

A kind of agricultural disinfection and sterilization composition, their preparation method and application

【Technical field】

The invention relates to the technical field of agricultural disinfection and sterilization products, more specifically, the invention relates to agricultural disinfection and sterilization compositions, their preparation methods and applications.

【Background technique】

The advancement of modern science and technology and the development of agriculture have promoted the continuous improvement of people's living standards, and the requirements for drug residues in foods such as fruits and vegetables have become more and more stringent. Therefore, efficient, safe, and low-residue fungicides are provided for the prevention and control of crop diseases increasingly attracted people's attention. The present invention is researched and developed to solve this demand.

For example CN94105892.1 discloses a kind of efficient broad-spectrum disinfectant, which is compounded by chlorothalonil, sodium dichloroisocyanurate and trace elements. It has a good control and inhibitory effect on the pollution of Trichoderma, Neurospora, Green mold and miscellaneous fungi of edible fungi.

In addition, CN97107698.7 discloses a disinfectant for silkworms, which is composed of sodium dichloroisocyanurate, levamisole, CaO, and β-fluorine agent, and has unique effects of broad spectrum, high efficiency and economy.

CN00115919.4 discloses a disinfectant for aquaculture, which is a product composed of sodium dichloroisocyanurate, sodium bromide, sodium sulfate and sodium carboxymethylcellulose. This product can effectively kill algae, viruses, bacteria and protozoa, and is easily decomposed by enzymes of various organisms without residual toxicity.

CN200310111679.3 discloses a disinfectant for seed soaking and disinfection. The disinfectant is composed of sodium dichloroisocyanurate and sodium sulfate. This product is a high-efficiency, broad-spectrum disinfectant that can kill viruses, fungi, spores and other microorganisms.

But these products all have some defects, and actual use effect can not satisfy actual needs, therefore all also need a kind of not only economical, safe but also environmentally friendly disinfectant in agriculture, animal husbandry, fishery etc. For this reason, the present inventor has carried out a large amount of researches, obtains encouraging result.

【Content of invention】

[Technical problem to be solved]

The object of the present invention is to provide an agricultural disinfectant and bactericidal composition.

Another object of the present invention is to provide a preparation method of the agricultural disinfectant composition.

Another object of the present invention is to provide the application of the agricultural disinfection and sterilization composition.

[Technical solutions]

The present invention is achieved through the following technical solutions.

A kind of agricultural disinfection and sterilization composition is characterized in that it contains the following components by weight:

A, one or more selected from sodium dichloroisocyanurate, potassium dichloroisocyanurate, trichloroisocyanuric acid, bromochlorohydantoin, dibromohydantoin, DBNPA (dibromonitrilopropionamide) Active ingredient 1-90 parts;

B. 2-50 copies of additives;

C. 2-10 copies of synergist;

D. Stabilizer 10-80 parts;

Preferably, the composition of the present invention contains the following components in parts by weight:

A, 10-60 parts of one or more active components selected from sodium dichloroisocyanurate, trichloroisocyanuric acid, bromochlorohydantoin, dibromohydantoin, and DBNPA;

B. 6-30 copies of additives;

C. 2-10 copies of synergist;

D. Stabilizer 20-60 parts;

More preferably, the composition of the present invention contains the following components in parts by weight:

A, 10-60 parts of one or more active components selected from sodium dichloroisocyanurate, trichloroisocyanuric acid, bromochlorohydantoin, dibromohydantoin, and DBNPA;

B. 6-20 copies of additives;

C, synergist 2-8 parts;

D. Stabilizer 40-60 parts;

According to the meaning of the present invention, the active ingredient should be understood as an effective ingredient for killing germs.

Sodium dichloroisocyanurate is a strong disinfectant, oxidizing agent and chlorinating agent. It is a high-efficiency, low-toxicity, broad-spectrum and rapid bactericidal disinfectant, which can effectively and quickly kill various bacteria, fungi, Spores, molds, cholerae isolates. It can be used for seed soaking to prevent fungal infection, and it can also be used for sterilization after bacterial infection of vegetables and fruit trees during the growth period and fruiting period.

Potassium dichloroisocyanurate is a new broad-spectrum fungicide with high efficiency, non-toxicity, no residue and no drug resistance. The decomposition products of potassium dichloroisocyanurate sprayed on plant leaves include hypochlorous acid, carbon dioxide, potassium ions, and ammonium ions. Ions are absorbed by the surface of plant leaves or fruits, directly enhance photosynthesis, provide nutrients for plants, and promote fruit growth. Potassium dichloroisocyanurate has a good control effect on diseases caused by fungi, bacteria, viruses, etc.

Described sodium dichloroisocyanurate and potassium dichloroisocyanurate are produced and sold by Shandong Tengzhou Yinfeng Chemical Co., Ltd. and the like.

Trichloroisocyanuric acid is a high-efficiency, low-toxicity, broad-spectrum, and rapid bactericidal disinfectant promoted internationally. This product has the effects of algae killing, deodorizing, water purification, and bleaching, and is harmless to humans and animals. No secondary pollution.

Described trichloroisocyanuric acid is produced and sold by Guangxi Nanning Chemical Co., Ltd. and the like.

Bromochlorohydantoin can continuously release active Br-ions and active Cl- ions by dissolving in water to form hypobromous acid and hypochlorous acid, which have strong oxidizing properties and detoxify the organisms in microorganisms. Enzyme oxidation to achieve the purpose of sterilization. The use of BCM in various types of water bodies can achieve satisfactory disinfection effects. It can kill bacteria, fungi, microbes, spores and viruses, and is environmentally friendly.

Dibromohydantoin is an efficient and safe bactericidal disinfectant, which has a strong effect of killing fungi, bacteria and viruses, and is also a very important brominating agent. It has good stability, high bromine content and strong reactivity, and is widely used in pharmaceutical, chemical and agricultural industries.

The bromochlorohydantoin and dibromohydantoin are products produced and sold by Hebei Yaguang Fine Chemical Co., Ltd., etc.

DBNPA (dibromonitrilopropionamide) is white or light yellow crystalline powder. As a broad-spectrum and high-efficiency biocide, it can quickly penetrate the cell membrane of microorganisms and act on cell proteins to denature the proteins, thereby causing cell death. The product has good peeling performance, no foam when used, liquid product and water can be miscible in any ratio, and has low toxicity.

The DBNPA is an imported product from Dow in the United States.

When the sodium dichloroisocyanurate, potassium dichloroisocyanurate, trichloroisocyanuric acid, bromochlorohydantoin, dibromohydantoin, and DBNPA are commercially available products, they can be used without treatment.

In addition to the active components listed above, the present invention can also use other active components commonly used in agriculture and animal husbandry that can achieve the purpose of the present invention, such as: bromochloroisocyanuric acid, tetrachloroglycoluril, etc.

In addition to the active components mentioned above, other components are used in the present invention, including auxiliary agents, synergists, and stabilizers.

According to the meaning of the present invention, the adjuvants should be understood as increasing the solubility of active ingredients, enhancing the stability of storage and transportation, and the like.

According to one embodiment of the present invention, the auxiliary agent in the agricultural disinfection and sterilization composition is one or more auxiliary agents selected from sodium bicarbonate, sodium carbonate, sodium tripolyphosphate, potassium carbonate, boric acid, and citric acid.

Preferably, the auxiliary agent is selected from sodium bicarbonate, sodium carbonate, sodium tripolyphosphate, potassium carbonate or boric acid.

More preferably, the auxiliary agent is selected from sodium bicarbonate, sodium carbonate or sodium tripolyphosphate.

In addition to the auxiliary agents listed above, the present invention can also use other auxiliary agents commonly used in agriculture and animal husbandry that can realize the object of the present invention, such as: carboxymethylcellulose, cyclodextrin, sodium bromide, chlorinated Sodium, sodium bisulfite, etc.

These auxiliary agents used in the present invention are all products sold on the market.

According to the meaning of the present invention, the synergist should be understood as: reducing surface tension, increasing drug solubility, improving the use effect of active ingredients, and reducing the amount of active ingredients used.

According to one embodiment of the present invention, the synergist in the agricultural disinfection and sterilization composition is one or more selected from sodium lauryl sulfate, sodium dodecylbenzenesulfonate, azone Or copper sulfate synergist.

Preferably, the synergist is one or more synergists selected from sodium dodecyl sulfate, sodium dodecylbenzenesulfonate and/or copper sulfate.

More preferably, the synergist is one or more synergists selected from sodium lauryl sulfate and copper sulfate.

In addition to the synergists listed above, the present invention can also use other synergists commonly used in agriculture and animal husbandry that can achieve the purpose of the present invention, such as sodium bromide, sodium chloride, sodium bisulfate, organic silicon agent etc.

These synergists used in the present invention are all commercially available products.

According to one embodiment of the present invention, the stabilizer in the agricultural disinfection and sterilization composition is one or more stabilizers selected from sodium sulfate, magnesium sulfate, magnesium chloride, zinc sulfate, sodium sulfate, potassium sulfate, copper sulfate .

Preferably, the stabilizer is one or more stabilizers selected from sodium sulfate, magnesium sulfate, zinc sulfate, and potassium sulfate.

More preferably, the stabilizer is one or more stabilizers selected from sodium sulfate and magnesium sulfate.

In addition to the stabilizers listed above, the present invention can also use other stabilizers commonly used in agriculture and animal husbandry that can achieve the purpose of the present invention, such as diatomaceous earth, attapulgite, zeolite powder, etc.

These stabilizers used in the present invention are all commercially available products.

According to one embodiment of the present invention, the agricultural disinfection and sterilization composition also contains 1-10 parts by weight of a combustion-supporting agent, and the combustion-supporting agent is one or more combustion-supporting agents selected from rosin, white sugar, sulfur, and paraffin. agent. The composition can be used as smoke agent.

Preferably, the combustion accelerant is one or more accelerants selected from rosin, white sugar, sulfur,

More preferably, the combustion enhancer is one or more combustion enhancers selected from rosin and sugar.

In addition to the above-listed combustion accelerants, the present invention can also use other accelerants commonly used in agriculture and animal husbandry that can achieve the object of the present invention, for example: wood chips, nitrates, etc.

These combustion aids used in the present invention are all products sold on the market.

A method for preparing an agricultural disinfectant composition, characterized in that the method comprises the steps of:

First, weigh 1-90 parts by weight of one or more selected from sodium dichloroisocyanurate, potassium dichloroisocyanurate, trichloroisocyanuric acid, bromochlorohydantoin, dibromohydantoin, DBNPA active ingredients, homogenized by mechanical mixing to obtain a mixture;

Then, weigh 2-50 parts by weight of the auxiliary agent, 2-10 parts by weight of the synergist, 10-80 parts by weight of the stabilizer or 1-10 parts by weight of the combustion aid, and mix them uniformly get another mixture;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

The mechanical mixing equipment used in this method is equipment well known to those skilled in the art, such as two-dimensional motion mixer, V-type high-efficiency mixer, cone mixer, tank mixer and the like.

The agricultural disinfection and sterilization composition of the present invention can be made into various formulations, such as powder, wettable powder, granule, tablet and the like. The preparation methods of these formulations are well known to those skilled in the art.

These preparations can be used in spraying, seed soaking, seed dressing, dusting, sprinkling, fumigation and other application methods.

The present invention also relates to the use of the agricultural disinfection and sterilization composition in the prevention and treatment of fruit trees, cotton, rice, wheat and vegetable anthracnose, downy mildew, powdery mildew, rust, fusarium wilt, blight, striped leaf blight, rice blast, and powdery mildew. use in disease.

In addition, the present invention also relates to the use of the agricultural disinfection and sterilization composition in disinfection of livestock and poultry houses.

In addition, the present invention also relates to the use of the agricultural disinfection and sterilization composition in greenhouse vegetables, livestock and poultry houses, mushroom inoculation, planting fumigation and disinfection.

[beneficial effect]

The present invention combines one or more high-efficiency or new-type bactericidal active ingredients on the basis of the original single active ingredient of sodium dichloroisocyanurate, and adds auxiliary agents, synergists, etc., which significantly slows down drug resistance. The production, while reducing the amount of medicine, improves the use effect and reduces the use cost, and has very obvious economic benefits in agriculture.

【Detailed ways】

Embodiment 1 Preparation of agricultural disinfection and sterilization composition

First, take 20 parts by weight of sodium dichloroisocyanurate and 15 parts by weight of bromochlorohydantoin, and use a two-dimensional motion mixer to obtain a uniform mixture by mechanical stirring;

Then, take by weighing 20 parts by weight of sodium bicarbonate, 6 parts by weight of sodium lauryl sulfate, and 50 parts by weight of sodium sulfate, and use a cone mixer to obtain a uniform mixture by mechanical stirring;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

According to the usual test methods in the technical field of pesticides, the effective rate of controlling vegetable downy mildew and powdery mildew can reach more than 87% by using the product according to the conventional dosage.

Embodiment 2 Preparation of agricultural disinfection and sterilization composition

First, take 50 parts by weight of sodium dichloroisocyanurate and 10 parts by weight of bromochlorohydantoin, and use a V-type high-efficiency mixer to obtain a uniform mixture by mechanical stirring;

Then, take by weighing 30 parts by weight of sodium carbonate, 6 parts by weight of sodium lauryl sulfate, and 40 parts by weight of sodium sulfate, and use a tank mixer to obtain a uniform mixture by mechanical stirring;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

According to the usual test method in the technical field of pesticides, the effective rate of preventing and treating citrus rot can reach more than 86% by using the product according to the conventional dosage.

Embodiment 3 Preparation of agricultural disinfection and sterilization composition

First, take 40 parts by weight of sodium dichloroisocyanurate and 15 parts by weight of dibromohydantoin, and use a tank mixer to obtain a uniform mixture by mechanical stirring;

Then, take by weighing 30 parts by weight of sodium carbonate, 6 parts by weight of sodium lauryl sulfate, and 40 parts by weight of sodium sulfate, and use a two-dimensional motion mixer to obtain a uniform mixture by mechanical stirring;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

According to the usual test methods in the technical field of pesticides, the effective rate of preventing rice blast and cotton wilt can reach more than 86% by using the product according to the conventional dosage.

Example 4 Preparation of Agricultural Disinfectant and Bactericidal Composition

First, take 20 parts by weight of potassium dichloroisocyanurate and 20 parts by weight of dibromohydantoin, and use a V-type high-efficiency mixer to obtain a uniform mixture by mechanical stirring;

Then, take 15 parts by weight of sodium tripolyphosphate, 6 parts by weight of sodium dodecylbenzenesulfonate, 20 parts by weight of sodium chloride and 20 parts by weight of sodium sulfate, and use a two-dimensional motion mixer to mix them by mechanical stirring obtain a homogeneous mixture;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

According to the usual test methods in the technical field of pesticides, the effective rate of preventing and controlling cotton fusarium wilt and wheat rust can reach more than 88% by using the product according to the conventional dosage.

Embodiment 5 Preparation of agricultural disinfection and sterilization composition

First, take 10 parts by weight of potassium dichloroisocyanurate, 40 parts by weight of trichloroisocyanuric acid and 10 parts by weight of dibromohydantoin, and use a tank mixer to obtain a uniform mixture by mechanical stirring;

Then, take by weighing 40 parts by weight sodium tripolyphosphate, 6 parts by weight sodium dodecylbenzenesulfonate, 25 parts by weight magnesium sulfate, and use a tank mixer to obtain a uniform mixture by mechanical stirring;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

According to the usual test methods in the technical field of pesticides, the effective rate of preventing and controlling the green mold of mushrooms and Trichoderma can reach more than 95% by using the product according to the conventional dosage.

Embodiment 6 Preparation of agricultural disinfection and sterilization composition

First, take 10 parts by weight of potassium dichloroisocyanurate, 40 parts by weight of trichloroisocyanuric acid and 10 parts by weight of DBNPA, and use a two-dimensional motion mixer to obtain a uniform mixture by mechanical stirring;

Then, take 20 parts by weight of sodium bicarbonate, 8 parts by weight of copper sulfate, 5 parts by weight of sodium dodecylbenzenesulfonate, and 25 parts by weight of magnesium chloride, and use a two-dimensional motion mixer to obtain a uniform mixture by mechanical stirring. mixture;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

According to the usual test methods in the technical field of pesticides, the effective rate of preventing and treating rot and anthracnose of fruit trees can reach more than 95% by using the product according to the conventional dosage.

Example 7 Preparation of Agricultural Disinfectant and Bactericidal Composition

First, take 10 parts by weight of potassium dichloroisocyanurate, 30 parts by weight of trichloroisocyanuric acid and 10 parts by weight of DBNPA, and use a two-dimensional motion mixer to obtain a uniform mixture by mechanical stirring;

Then, take 5 parts by weight of potassium carbonate, 6 parts by weight of copper sulfate, 25 parts by weight of sodium sulfate, 6 parts by weight of sulfur, and 10 parts by weight of white sugar, and use a two-dimensional motion mixer to obtain a uniform mixture by mechanical stirring. mixture;

Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

According to the usual test method in the technical field of pesticides, the effective rate of disinfection of the mushroom inoculation room can reach more than 98% by using the product according to the conventional dosage.

Example 8 Preparation of Agricultural Disinfectant and Bactericidal Composition

First, take 60 parts by weight of sodium dichloroisocyanurate;

Then, take by weighing 10 parts by weight of sodium carbonate, 6 parts by weight of copper sulfate, 25 parts by weight of zinc sulfate, 6 parts by weight of paraffin, and 10 parts by weight of sulfur, and use a tank mixer to obtain a uniform mixture by mechanical stirring;

Finally, the aforementioned sodium dichloroisocyanurate and the latter mixture are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition.

Using the method described in Examples 1-7, according to the usual test methods in the technical field of pesticides, using the products prepared in this embodiment according to conventional dosages, the effective rate of controlling downy mildew and powdery mildew of vegetables can reach 62%. The effective rate of preventing and controlling citrus rot reaches 66%; the effective rate of preventing and controlling rice blast and cotton wilt reaches 61%; the effective rate of preventing and controlling cotton wilt and wheat rust reaches 78%; The effective rate of Trichoderma reaches 82%; the effective rate of preventing and treating rot and anthracnose of fruit trees reaches 85%; the effective rate of disinfecting the mushroom inoculation room reaches 88%.

Claims (7)

1. An agricultural disinfectant composition, characterized in that it contains the following components in parts by weight: A, 1-90 parts of active components composed of sodium dichloroisocyanurate, trichloroisocyanuric acid and selected from dibromohydantoin and DBNPA; B. 2-50 parts of additives; C, 2-10 parts of synergist; D, stabilizer 10-80 parts; Wherein the auxiliary agent is one or more auxiliary agents selected from sodium bicarbonate, sodium carbonate, sodium tripolyphosphate, potassium carbonate, boric acid and citric acid; the synergist is one or more selected from dodecylsulfuric acid The synergist of sodium, sodium dodecylbenzenesulfonate, azone and copper sulfate; the stabilizer is one or more stabilizers selected from sodium sulfate, magnesium sulfate, magnesium chloride, zinc sulfate, sodium sulfate and potassium sulfate agent. 2. The agricultural disinfection and sterilization composition according to claim 1, characterized in that A, 10-60 parts of active components composed of sodium dichloroisocyanurate, trichloroisocyanuric acid and selected from dibromohydantoin and DBNPA; B. 6-30 parts of additives; C, 2-10 parts of synergist; D. Stabilizer 20-60 parts. 3. The preparation method of the agricultural disinfection and sterilization composition according to claim 1 or 2, characterized in that the method comprises the following steps: First, weigh the active components according to the number of parts, and uniformly obtain a mixture through mechanical mixing; Then, take said auxiliary agent, synergist and stabilizer respectively according to the number of parts, obtain another kind of mixture through mechanical mixing; Finally, the above two mixtures are mechanically stirred and mixed uniformly to obtain the agricultural disinfection and sterilization composition. 4. The agricultural disinfection and sterilization composition according to claim 1 or 2 is effective in preventing and treating fruit trees, cotton, rice, wheat and vegetable anthracnose, downy mildew, powdery mildew, rust, fusarium wilt, blight, striped leaf blight, Use in rice blast or powdery mildew. 5. The use of the agricultural disinfection and sterilization composition according to claim 1 or 2 in disinfection of livestock and poultry houses. 6. The agricultural disinfection and sterilization composition according to claim 1 or 2, characterized in that it also contains 1-10 parts by weight of a combustion aid, and the combustion aid is one or more selected from rosin, white sugar , sulfur and paraffin as a combustion aid. 7. The use of the agricultural disinfection and sterilization composition according to claim 6 in greenhouse vegetables, livestock and poultry houses, mushroom inoculation or planting fumigation.