CN105076218A - Sterilizing composition - Google Patents
Sterilizing composition Download PDFInfo
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- CN105076218A CN105076218A CN201510531998.2A CN201510531998A CN105076218A CN 105076218 A CN105076218 A CN 105076218A CN 201510531998 A CN201510531998 A CN 201510531998A CN 105076218 A CN105076218 A CN 105076218A
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- trichoderma
- bactericidal composition
- tetraconazole
- sterilizing composition
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Abstract
The invention belongs to the field of insecticides, and particularly relates to a sterilizing composition. The sterilizing composition comprises trichoderma and tetraconazole which are effective components. A mass ratio of the trichoderma to the tetraconazole is 1:1-1:60 and preferably is 1:1-1:8. The percentage contents of the trichoderma and the tetraconazole account for 10%-60% of the total weight of the sterilizing composition and preferably account for 30%-50% of the total weight of the sterilizing composition. The trichoderma is trichoderma viride or trichoderma harzianum. The sterilizing composition further contains auxiliaries and can be prepared to form suspending agents, aqueous solution or water dispersible granules. Obvious prevention and treatment effects can be realized by the sterilizing composition for diversified fungous diseases such as gray mould, fusarium wilt, seedling blight, downy mildew and powdery mildew of plants. The sterilizing composition has the advantages that the efficacy of the sterilizing composition is superior to the efficacy of single dosage, and accordingly insecticide consumption can be reduced; insecticide resistance can be delayed, and accordingly the service life of insecticides can be prolonged; the sterilizing composition is low in insecticide residual quantity and is environmental friendly, and yield and revenue can be increased.
Description
Technical field
The invention belongs to pesticide field, specifically, relate to a kind of bactericidal composition, its active ingredient is Trichoderma and tetraconazole.
Background technology
Agricultural chemicals refers to that agricultural chemicals can be divided into organic agricultural chemicals, inorganic pesticide, botanical pesticide, microbial pesticide etc. according to raw material in order to ensure, to promote plant and crop growth, the general name of the desinsection used, sterilization, a kill harmful vegeto-animal class medicine; Agricultural chemicals can be divided into insecticide, bactericide, miticide, nematocide, weed killer herbicide, plant growth regulator etc. according to controlling object.The agricultural chemicals of chemicals, while killing phytopathogen, also can kill the beneficial microbe in environment, and Long-Time Service not only can cause the drug-fast raising of phytopathogen, also can cause the problem such as environmental pollution and residue of pesticide.Along with the proposition of the strategy of sustainable development, the sustainable development of agricultural is also more and more subject to people's attention.
Trichoderma is the important biocontrol fungi of a class, and it is extensive in distributed in nature, is the important component part of edaphon, be rich in organic soil, rotten timber, plant rhizosphere etc. are all its good habitats.The disease fungus of Trichoderma to many plant diseases has good control efficiency, and the Biocontrol Mechanism of Trichoderma is as follows:
1, Competition
Trichoderma is in saprophytic form fungi, environmental suitability is stronger, growth and breeding speed is fast, can utilize rapidly nutrition and occupy living space, compared with phytopathogen, Trichoderma has stronger absorption and utilizes the ability of soil Middle nutrition material, nutrition and the living space of phytopathogen can be grabbed, worsen the living environment of phytopathogen, thus Suppressing phytopathogens is to the harm of plant.In addition, Trichoderma can also produce quinones, and quinones can suppress the activity of monoamine oxidase and tyrosine, has very strong antibacterial functions.
2, antibiosis
Trichoderma can produce Antagonism chemical substance in metabolic process, is used for the growth of poisonous plant pathogen, Suppressing phytopathogens.
3, hyperparasitism
Hyperparasitism refers to the parasitic relation that Trichoderma is set up after contacting with phytopathogen, Trichoderma is to after the identification of host fungi, Trichoderma mycelia can be wound around along the mycelial growth of host fungi, be adsorbed on the mycelia of host fungi, by secretion extracellular enzyme dissolved cell wall, the mycelia piercing through host fungi draws nutrition, thus kills phytopathogen.
4, induction of resistance effect
Trichoderma can produce or discharge multiple compounds, the local of inducing plant or system response, the system of defense in activated plant body, impels the materials such as induction biosynthesis protective plant protecting agent, flavones, glucosides class, to resist infecting of phytopathogen, thus improve the resistance of plant for disease.
In addition, the interaction relationship of similar rhizobium and the such comparison system of mycorhiza is established between Trichoderma and plant, and maintain the long period, and some Trichoderma can by secretion plant hormone substance Promoting plant growth, organic acid acidified soil can also be secreted, promote that plant is to the absorption of mineral matter element.Trichoderma can also improve the output of plant, increases the drought-resistant ability of plant and absorbs ability to fertilizer.
Trichoderma is as biological bactericide; it has the double effects of protection and treatment; and its action site is many; it not only can act on the root system of plant; can also be used for the protection of blade face, floral organ and fruit, it may be used for preventing and treating leaf diseases and the fruit rots such as gray mold, seedling blight, powdery mildew.But Trichoderma bactericide mostly is active bacteria formulation, therefore its Field information is usually by the interference of the factors such as temperature, humidity, rainwater, shows very unstable.
Tetraconazole is a kind of organic bactericide, and it belongs to second generation triazole bactericidal agent, and containing fluorine in its molecular structure, bactericidal activity is than being 2 ~ 3 times of first generation triazole bactericidal agent, and it has the features such as fungicidal spectrum is wide, drug effect is high, the duration is long.Tetraconazole is a kind of systemic fungicide, and the root of plant, stem, Ye Junneng absorb, and conduct to the various piece of plant, plant are played to the effect of protection and treatment.Tetraconazole is ergosterol biosynthesis inhibitor, the activity of the enzyme in ergosterol biosynthetic process can be suppressed, this building-up process cannot normally be carried out, then synthesis obtusifoliol, thus affect phytopathogen cell permeability of the membrane, physiological function and lipid anabolism, the final cell membrane destroying phytopathogen.And tetraconazole can not disturb the normal growth of crop, also can not disturb the biosynthetic process of the sterol of crop, to crop, there is higher safety.
Tetraconazole applicable crops comprises: cereal crop is as wheat, barley, oat, rye etc., and fruit tree is as banana, grape, pears, apple etc., and vegetables are as melon, beet, ornamental plants etc.The disease that Erysiphe, Puccinia, Rhynchosporium spp．, nuclear cavity Pseudomonas and Septoria cause can be prevented and treated, as wheat powdery mildew, loose smut of wheat, wheat rust, barley leaf blotch, maize head smut, head smut of sorghum, melon and fruit powdery mildew, sigatoka, pear scab and grape powdery mildew etc.
Develop immunity to drugs to delay disease, carrying out composite to the active ingredient of the different mechanism of action is one comparatively effective method, and complex role is significantly filled a prescription, the drug effect of medicament can be significantly improved, greatly reduce the using dosage of agricultural chemicals, can also fungicidal spectrum be expanded, improve germicidal efficiency.The controlling object of Trichoderma and tetraconazole is similar, but the mechanism of action is different, and long-term single use all can make disease develop immunity to drugs, so Trichoderma and the composite of tetraconazole are the emphasis studied.
Summary of the invention
The object of the present invention is to provide a kind of bactericidal composition, its active ingredient is Trichoderma and tetraconazole, composite by Trichoderma and tetraconazole, improves germicidal efficiency, delays drug-fast generation.
The technical solution used in the present invention is: a kind of bactericidal composition, and its active ingredient is Trichoderma and tetraconazole, and the mass ratio of Trichoderma and tetraconazole is 1:1 ~ 1:60, and preferred mass is than being 1:1 ~ 1:8.Trichoderma and the percentage composition of tetraconazole in the gross weight of bactericidal composition are 10% ~ 60%, and preferred percentage composition is 30% ~ 50%.
Preferably, described Trichoderma is trichoderma viride or trichoderma harzianum.
Preferably, also containing auxiliary agent in described bactericidal composition, described auxiliary agent comprise in dispersant, wetting agent, binding agent, defoamer, antifreeze, thickener, disintegrant, filler two or more.
Further, described dispersant be selected from polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene calcium sulfonate, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, fatty acid glyceride APEO one or more;
Described wetting agent be selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, soapberry powder one or more;
Described binding agent be selected from diatomite, starch, polyvinyl alcohol, carboxymethyl cellulose, carboxyethyl cellulose one or more;
Described antifreeze be selected from ethylene glycol, propane diols, glycerine, polyethylene glycol one or more;
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more in fat compound;
Described thickener be selected from xanthan gum, polyvinyl alcohol, polyethylene glycol one or more;
Described disintegrant be selected from bentonite, urea, ammonium sulfate, aluminium chloride, glucose one or more;
Described filler be selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate one or more.
Preferably, the preparation formulation of described bactericidal composition is suspending agent, aqua or water dispersible granules.
Formula of the present invention is as follows:
Table 1, suspending agent containing bactericidal composition
| Trichoderma tetraconazole | 10％～60％ |
| Wetting agent | 1％～5％ |
| Dispersant | 4％～10％ |
| Thickener | 0.15％～0.3％ |
| Antifreeze | 2％～3％ |
| Defoamer | 0.1％～0.2％ |
| Deionized water | To 100% |
Manufacture method: above-mentioned material is proportionally thrown and stirs 2 hours to reactor, then grind in stage sand grinding machine, make the suspending agent of corresponding proportion.This production process comprises the operation such as blended, shearing, grinding of material, and uses gradient sand milling technology, effectively improves the suspensibility of material.
Table 2, water dispersible granules containing bactericidal composition
| Trichoderma tetraconazole | 10％～60％ |
| Wetting agent | 2％～5％ |
| Dispersant | 3.5％～11％ |
| Binding agent | 2％～8％ |
| Disintegrant | 2％～3％ |
| Filler | To 100% |
Manufacture method: proportionally thrown by above-mentioned material to be stirred to reactor and mix, then pulverize through airslide disintegrating mill, the material after pulverizing is squeezed into particle after mixer mixing, then drying, obtains the water dispersible granules of corresponding proportion after screening.
Table 3, aqua containing bactericidal composition
| Trichoderma tetraconazole | 10％～60％ |
| Dispersant | 2.5％～10％ |
| Antifreeze | 2％～12％ |
| Deionized water | To 100% |
Manufacture method: proportionally thrown by above-mentioned material to be stirred to reactor and mix, then enters stillpot, obtains the aqua of corresponding proportion.
The multiple fungal disease such as banded sclerotial blight, stripe disease, yellowtop of bactericidal composition of the present invention to the rice blast of the gray mold of plant, fusarium wilt, seedling blight, downy mildew, powdery mildew and paddy rice, false smut, banded sclerotial blight, bakanae disease, leaf blight and wheat has significant control efficiency.
In addition, bactericidal composition of the present invention has following advantage compared to other similar medicaments:
1, complex role of the present invention is obvious, and compared to single dose, its drug effect is significantly improved, and dosage obviously reduces, and has saved drug cost;
2, the present invention can delay drug-fast generation, not only reduces the number of times that agricultural chemicals is used repeatedly, reduces drug cost, can also extend the service life of medicament;
3, persticide residue of the present invention is lower, more friendly to environment, but also can increasing both production and income.
Embodiment
Clearly understand to make object of the present invention, technical scheme and advantage; the following specific embodiment of the present invention is described; but the present invention is only limitted to absolutely not these embodiments; under the premise without departing from the spirit and scope of the present invention; those skilled in the art can also make improvements and modifications, and these improvements and modifications also should be considered as dropping in protection scope of the present invention.The present invention adopts the method for field trial, and if no special instructions, the ratio (comprising percentage) below mentioned is mass ratio.
Embodiment 1, suspending agent containing bactericidal composition
| Trichoderma tetraconazole | 10％～60％ |
| Neopelex (wetting agent) | 1％～5％ |
| Sodium Polyacrylate (dispersant) | 2％～5％ |
| Alkylphenol polyoxyethylene (dispersant) | 2％～5％ |
| Xanthan gum (thickener) | 0.15％～0.3％ |
| Ethylene glycol (antifreeze) | 2％～3％ |
| Silicone oil (defoamer) | 0.1％～0.2％ |
| Deionized water | To 100% |
Manufacture method: above-mentioned material is proportionally thrown and stirs 2 hours to reactor, then grind in stage sand grinding machine, make the suspending agent of corresponding proportion.
Embodiment 2, water dispersible granules containing bactericidal composition
| Trichoderma tetraconazole | 10％～60％ |
| Lauryl sodium sulfate (wetting agent) | 2％～5％ |
| Sodium Polyacrylate (dispersant) | 3％～6％ |
| Alkyl benzene calcium sulfonate (dispersant) | 0.5％～5％ |
| Starch (binding agent) | 2％～8％ |
| Aluminium chloride (disintegrant) | 2％～3％ |
| Kaolin (filler) | To 100% |
Manufacture method: proportionally thrown by above-mentioned material to be stirred to reactor and mix, then pulverize through airslide disintegrating mill, the material after pulverizing is squeezed into particle after mixer mixing, then drying, obtains the water dispersible granules of corresponding proportion after screening.
Embodiment 3, aqua containing bactericidal composition
| Trichoderma tetraconazole | 10％～60％ |
| Lauryl sodium sulfate (dispersant) | 2％～5％ |
| Alkylphenol polyoxyethylene (dispersant) | 0.5％～5％ |
| Ethylene glycol (antifreeze) | 2％～12％ |
| Deionized water | To 100% |
Manufacture method: proportionally thrown by above-mentioned material to be stirred to reactor and mix, then enters stillpot, obtains the aqua of corresponding proportion.
Trichoderma in above-described embodiment and the mass ratio of tetraconazole are 1:1 ~ 1:60, and preferred mass is than being 1:1 ~ 1:8.Trichoderma and the tetraconazole preferred percentage composition in the gross weight of bactericidal composition is 30% ~ 50%.Described Trichoderma is trichoderma viride or trichoderma harzianum.
Field trial 1: to the controlling experiment of plant gray mold, fusarium wilt, seedling blight and downy mildew
Test site is located at Su Liu village town, Xiajin County, Dezhou City Shandong Province and carries out, and each process establishes 4 communities to repeat, each plot area 20 square metres.Testing Trichoderma used is trichoderma viride.
Table 4, each group test medicine are to the control efficiency after plant process
Interpretation of result:
As can be seen from Table 4, the control efficiency of the medicament made of bactericidal composition to the gray mold of plant, fusarium wilt, seedling blight and downy mildew all reaches more than 94%, and the control efficiency of composition is apparently higher than single dose, and instant effect, duration are long.In process of the test, medicament has no adverse effects to plant.
It can also be seen that from table 4, when the mass ratio of Trichoderma and tetraconazole is 1:1 and 1:8, the drug effect of bactericidal composition is substantially identical, and when the mass ratio of Trichoderma and tetraconazole is 1:30 and 1:60, the drug effect of bactericidal composition decreases, but bactericidal effect is still good.Tetraconazole is a kind of organic bactericide, can cause residue of pesticide, in order to keep the drug effect of bactericidal composition, and environmentally friendly, the mass ratio of Trichoderma and tetraconazole is controlled to be good selection between 1:1 ~ 1:8.
Field trial 2: to the controlling experiment of the false smut of paddy rice, banded sclerotial blight, bakanae disease and leaf blight
Test site is located at Su Liu village town, Xiajin County, Dezhou City Shandong Province and carries out, and each process establishes 4 communities to repeat, each plot area 20 square metres.Testing Trichoderma used is trichoderma harzianum.
Table 5, each group test medicine are to the control efficiency after rice plant process
Interpretation of result:
As can be seen from Table 5, bactericidal composition water dispersible granules, suspending agent and the aqua the made control efficiency to the false smut of paddy rice, banded sclerotial blight, bakanae disease and leaf blight all reaches more than 93%, and the consumption of medicament is little, instant effect, duration of efficacy are long.In process of the test, medicament has no adverse effects to paddy rice.
It can also be seen that from table 5, in the water dispersible granules that bactericidal composition is made, Trichoderma is substantially identical from the control efficiency of 30% to 60% with the content of tetraconazole, and the consumption of medicament reduces gradually, it can thus be appreciated that when content in bactericidal composition of Trichoderma and tetraconazole lower than 30% time, in order to maintain drug effect, the consumption of medicament can increase gradually.In order to production control cost, and be beneficial to peasant and operate, the content of the Trichoderma in bactericidal composition and tetraconazole is controlled to be good selection between 30% ~ 50%.
Field trial 3: to the controlling experiment of the banded sclerotial blight of wheat, stripe disease and yellowtop
Test site is located at Su Liu village town, Xiajin County, Dezhou City Shandong Province and carries out, and each process establishes 4 communities to repeat, each plot area 20 square metres.Testing Trichoderma used is trichoderma harzianum.
Table 6, each group medicament are to the control efficiency after wheat plant process
Interpretation of result:
As can be seen from Table 6, the bactericidal composition that the present invention contains Trichoderma and tetraconazole water dispersible granules, suspending agent and the aqua the made control efficiency to the banded sclerotial blight of wheat, stripe disease and yellowtop all reaches more than 92%, and the consumption of medicament is little, instant effect, duration of efficacy are long.In process of the test, medicament has no adverse effects to wheat.
In sum, the complex role that the present invention contains the bactericidal composition of Trichoderma and tetraconazole is obvious, the medicament drug effect that bactericidal composition is made is apparently higher than single dose, and the gray mold to plant, fusarium wilt, seedling blight, the false smut of downy mildew and paddy rice, banded sclerotial blight, bakanae disease, the banded sclerotial blight of leaf blight and wheat, the control efficiency of stripe disease and yellowtop is all more than 90%, and the consumption of medicament is little, instant effect, duration is long, persticide residue is lower, it has not only saved cost, also more friendly to environment, so R&D and promotion of the present invention is significant.
Claims (9)
1. a bactericidal composition, is characterized in that: its active ingredient is Trichoderma and tetraconazole.
2. bactericidal composition according to claim 1, is characterized in that: described Trichoderma and the mass ratio of tetraconazole are 1:1 ~ 1:60.
3. bactericidal composition according to claim 2, is characterized in that: described Trichoderma and the mass ratio of tetraconazole are 1:1 ~ 1:8.
4. bactericidal composition as claimed in any of claims 1 to 3, is characterized in that: Trichoderma and the percentage composition of tetraconazole in the gross weight of bactericidal composition are 10% ~ 60%.
5. bactericidal composition according to claim 4, is characterized in that: Trichoderma and the percentage composition of tetraconazole in the gross weight of bactericidal composition are 30% ~ 50%.
6. bactericidal composition according to claim 1, is characterized in that: described Trichoderma is trichoderma viride or trichoderma harzianum.
7. bactericidal composition according to claim 1, it is characterized in that: also containing auxiliary agent in described bactericidal composition, described auxiliary agent comprise in dispersant, wetting agent, binding agent, defoamer, antifreeze, thickener, disintegrant, filler two or more.
8. bactericidal composition according to claim 7, is characterized in that: described dispersant be selected from polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene calcium sulfonate, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, fatty acid glyceride APEO one or more;
Described wetting agent be selected from lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, soapberry powder one or more;
Described binding agent be selected from diatomite, starch, polyvinyl alcohol, carboxymethyl cellulose, carboxyethyl cellulose one or more;
Described antifreeze be selected from ethylene glycol, propane diols, glycerine, polyethylene glycol one or more;
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more in fat compound;
Described thickener be selected from xanthan gum, polyvinyl alcohol, polyethylene glycol one or more;
Described disintegrant be selected from bentonite, urea, ammonium sulfate, aluminium chloride, glucose one or more;
Described filler be selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate one or more.
9. bactericidal composition according to claim 1, is characterized in that: the preparation formulation of described bactericidal composition is suspending agent, aqua or water dispersible granules.
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| CN109662008A (en) * | 2019-01-18 | 2019-04-23 | 延边大学 | The rice nursery substrate and preparation method thereof of raw material is wanted based on agaric bacteria residue |
| CN110074139A (en) * | 2019-05-13 | 2019-08-02 | 河南地卫士生物科技有限公司 | A kind of biological pesticide that Trichoderma compounds with super quick albumen complex enzyme |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110074139A (en) * | 2019-05-13 | 2019-08-02 | 河南地卫士生物科技有限公司 | A kind of biological pesticide that Trichoderma compounds with super quick albumen complex enzyme |
| CN115843832A (en) * | 2022-11-22 | 2023-03-28 | 江苏东宝农化股份有限公司 | Bactericidal composition, bactericide and application of bactericide |
| CN115843832B (en) * | 2022-11-22 | 2024-03-01 | 江苏东宝农化股份有限公司 | Sterilization composition, bactericide and application thereof |
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| CN105076218B (en) | 2018-01-26 |
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