CN106962379A - A kind of bactericidal composition containing Chinese yam polysaccharide and thiram - Google Patents
A kind of bactericidal composition containing Chinese yam polysaccharide and thiram Download PDFInfo
- Publication number
- CN106962379A CN106962379A CN201710316582.8A CN201710316582A CN106962379A CN 106962379 A CN106962379 A CN 106962379A CN 201710316582 A CN201710316582 A CN 201710316582A CN 106962379 A CN106962379 A CN 106962379A
- Authority
- CN
- China
- Prior art keywords
- thiram
- chinese yam
- yam polysaccharide
- bactericidal composition
- polysaccharide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/26—Oxidation products of dithiocarbamic acid derivatives, e.g. thiuram sulfides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of bactericidal composition containing Chinese yam polysaccharide and thiram, active ingredient is made up of Chinese yam polysaccharide and thiram, and the synergy weight ratio of Chinese yam polysaccharide and thiram is 1:0.5‑1.5.The present invention is compounded Chinese yam polysaccharide and thiram according to specific weight ratio, with obvious synergistic function, the inhibitory action very little of Chinese yam polysaccharide for fungi in itself, its synergist mainly as thiram, inhibitory activity of the thiram to germ can be significantly improved, the two mixture can also reduce the use of thiram, so as to reduce cost, reduce the residual of chemical agent.
Description
Technical field
The present invention relates to disinfectant use in agriculture application field, more particularly to a kind of sterilization group containing Chinese yam polysaccharide and thiram
Compound.
Background technology
The research of the built agent registration kind of current bactericide is rested in the biologicall test of drug effect synergy or preparation mostly
In processing, pharmacy security.Research on compound synergic mechanism has no document report, needs to be goed deep into systematically to study.Sterilization
The synergistic effect of agent is the result of many factors comprehensive function.Liu Xuemin etc. proposes that synergistic effect mechanism is probably each special effect
The synthesis of fruit, wherein reduction pathogen intrusion, target site increase dosage component concentration be probably main cause.With list
Individual component bactericide is compared, and built agent improves the control effect to disease behind increasing action site.Also it is believed that, it is living
Property the mechanism that improves include two aspects：One is the different phase that each composition is respectively acting on Disease Cycle in built agent, works as disease
Several growth phases of bacterium and two kinds of dosage components are acted on simultaneously when, the raising of several lower synergistic effects of factor effect is higher than list
The individual factor；Two be the absorption of mixture component, diffusion and degraded；A kind of component may can improve another component i.e. in built agent
Absorption and conducting power, it is also possible to while accelerating its degraded in plant, this is probably the important of single dose interaction synergy
One of factor.
The means of synergy sometimes improved by adding some insecticides adjuvants medicament make the attachment on object, spread or
Osmosis, it is possible to reduce drug out loss, increases operation rate, and increases preventive effect；Sometimes a certain amount of exempt from is added in composite reagent
Epidemic disease agent, improves the disease resistance of plant, it is to avoid the generation of disease.
Chinese yam polysaccharide is the main active in Chinese yam.Chinese yam polysaccharide is main by mannose, xylose, arabinose, Portugal
Grape sugar and galactolipin composition.Research shows that Chinese yam is extracted through hot water, deproteinized, ethanol precipitation, SephadexG-100 are purified
Chinese yam polysaccharide, molecular weight is 8.1 × 10-4.Current people are concentrated mainly on following aspect for the research of Chinese yam polysaccharide：Blood drops
The functions such as sugar, tonifying middle-Jiao and Qi, stimulation or regulation immune system, and the research for its bacteria resistance function is also fewer.
At present, Chinese yam polysaccharide for fungi inhibitory action and Chinese yam polysaccharide for bactericide synergistic effect also not
Seeing has research open.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of bactericidal composition containing Chinese yam polysaccharide and thiram, shown
The activity for improving thiram is write, chemical pesticide dosage is reduced, delays the resistance to the action of a drug of pathogen to produce.
The technical scheme that present invention solution above-mentioned technical problem is taken is as follows：
A kind of bactericidal composition containing Chinese yam polysaccharide and thiram, active ingredient is made up of Chinese yam polysaccharide and thiram,
The synergy weight ratio of Chinese yam polysaccharide and thiram is 1:0.5-1.5.
The synergy weight ratio of described Chinese yam polysaccharide and thiram is 2:1.
Described bactericidal composition is prepared into pesticidal preparations.
Described bactericidal composition is used to prevent and treat rice blast.
The beneficial effect that the present invention possesses is：Chinese yam polysaccharide and thiram are compounded according to specific weight ratio, are had
Obvious synergistic function, the inhibitory action very little of Chinese yam polysaccharide for fungi in itself, its synergy mainly as thiram
Agent, can significantly improve inhibitory activity of the thiram to germ, the two mixture can also reduce the use of thiram, so as to reduce
Cost, reduces the residual of chemical agent.
Embodiment
Technical scheme and beneficial effect are described further with reference to specific embodiment, it is of the present invention
Percentage be mass percent.
One indoor joint toxicity measuring test
In order to illustrate synergistic effect of the Chinese yam polysaccharide for thiram, the present invention calculates co-toxicity coefficient using the abundant methods of Sun Yun
(CTC) mixed effect is evaluated.
Toxicity index TI (A)=(EC50 of standard agent A EC50 ÷ A agent) × 100
Toxicity index TI (B)=(EC50 of standard agent A EC50 ÷ B agent) × 100
Actual toxicity index ATI (AB)=(A EC50 ÷ AB EC50) × 100
Percentage+TI (B) × B percentages in mixture of theoretical toxicity index TTI (AB)=TI (the A) × A in mixture
Number
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI) ÷ mixtures theoretical toxicity index (TTI)] × 100
Evaluation criterion is：Co-toxicity coefficient >=120 show as synergistic effect；Co-toxicity coefficient≤80 show as antagonism；80<
Co-toxicity coefficient<120 show as summation action.
Test method：Reference《The part of NY/T1156.8-2007 farm-chemical indoor determination test rules bactericide the 8th：It is anti-
Control rice blast experiment pot-culture method》With《The 6th, NY/T1156.6-2006 farm-chemical indoor determination test rules bactericide
Point：The synergy of mixture is determined》.
The measurement result of fraction is as shown in the table：
As can be known from the above table, the weight ratio of thiram and Chinese yam polysaccharide is 0.5-1.5:When 1, its co-toxicity coefficient is all higher than 120,
Show obvious synergistic function；And when weight ratio is 0.1:1、0.2:1、0.4:1、3:1、4:1 and 5:When 1, it is total to
Malicious coefficient is less than 80, shows obvious antagonism；0.3:1 and 2:1 only shows simple summation action.
Two crop field test examples
In order to further illustrate beneficial effects of the present invention, applicant has also carried out multiple field medicine effect test.Below
The field experiment of part rice blast is enumerated as explanation.
Test method and drug effect computational methods：Reference《GB/T 17980.19-2000 pesticide field efficacy medicine test criterions
(1) bactericidal agent for preventing and treating paddy rice leaf diseases》.Each plot area is 60 ㎡, 3 repetitions is set, altogether dispenser 2 times, between each dispenser
Every 7 days.
Investigation method：5 sampling surveys, the every company of taking are carried out in 7d, 15d after second of dispenser in each cell respectively
Continuous 3 clumps, look into whole blades, and classification record incidence, calculates disease index and preventive effect in units of blade；Test site：
Nanning.
Formula (1)：Disease index calculation formula：In formula (1)：X- disease indexs；Ni- disease at different levels
The number of sheets；I- is with respect to value of series；N- investigates total number of sheets.
Formula (2)：Prevention effect calculation formula：In formula (2)：P- prevention effects, unit
For percentage (%)；CK0Disease index before the dispenser of-blank district；CK1Disease index after the dispenser of-blank district；PT0- medicine
Disease index before agent treatment region dispenser；PT1Disease index after dispenser after-chemicals treatment.
Test medicine：
The Chinese yam polysaccharide thiram wettable powder (2 of test group 1 3%:1)
Chinese yam polysaccharide 2%, thiram 1%, sodium carboxymethylcellulose 10%, alkylnaphthalene sulfonate 2%, precipitated calcium carbonate
2%, kaolin supplies 100%.Raw material weighing is carried out by above-mentioned formula, is crushed after being well mixed through airslide disintegrating mill, detection is closed
Lattice are that 3% Chinese yam polysaccharide thiram wettable powder is made.
The Chinese yam polysaccharide wettable powder of control group 1 2%：Chinese yam polysaccharide 2%, sodium carboxymethylcellulose 10%, alkyl naphthalene sulfonic acid
Salt 2%, precipitated calcium carbonate 2%, kaolin supplies 100%.Preparation method is with test group 1.
The thiram wettable powder of control group 2 1%：Thiram 1%, sodium carboxymethylcellulose 10%, alkylnaphthalene sulfonate
2%, precipitated calcium carbonate 2%, kaolin supplies 100%.Preparation method is with test group 1.
Separately set blank control group.
As a result it is as shown in the table.
Prevent and treat the field control effectiveness test result of rice blast
As seen from the above table, the composition of the invention containing Chinese yam polysaccharide and thiram is less than control in active ingredient dosage
In the case of medicament, its prevention effect to rice blast is more significantly excellent than comparison medicament.The 7d investigation results after second of dispenser
It has been shown that, prevention effect of the invention is higher than thiram single dose by 19.92%；15d investigation results are shown after second of dispenser, the present invention
Prevention effect it is higher than thiram single dose by 16.09%.
Claims (4)
1. a kind of bactericidal composition containing Chinese yam polysaccharide and thiram, it is characterised in that active ingredient is by Chinese yam polysaccharide and good fortune
The synergy weight ratio of U.S. double compositions, Chinese yam polysaccharide and thiram is 1:0.5-1.5.
2. the bactericidal composition according to claim 1 containing Chinese yam polysaccharide and thiram, it is characterised in that described mountain
The synergy weight ratio of medicine polysaccharide and thiram is 2:1.
3. the bactericidal composition according to claim 1 containing Chinese yam polysaccharide and thiram, it is characterised in that described kills
Bacteria composition is prepared into pesticidal preparations.
4. the bactericidal composition according to claim 1 containing Chinese yam polysaccharide and thiram, it is characterised in that described kills
Bacteria composition is used to prevent and treat rice blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316582.8A CN106962379A (en) | 2017-05-08 | 2017-05-08 | A kind of bactericidal composition containing Chinese yam polysaccharide and thiram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316582.8A CN106962379A (en) | 2017-05-08 | 2017-05-08 | A kind of bactericidal composition containing Chinese yam polysaccharide and thiram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106962379A true CN106962379A (en) | 2017-07-21 |
Family
ID=59330853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710316582.8A Withdrawn CN106962379A (en) | 2017-05-08 | 2017-05-08 | A kind of bactericidal composition containing Chinese yam polysaccharide and thiram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106962379A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930979A (en) * | 2005-09-15 | 2007-03-21 | 南京第一农药有限公司 | Germicide composition containing propiconazol and thiram and its application |
| CN105284948A (en) * | 2015-12-05 | 2016-02-03 | 济南舜昊生物科技有限公司 | Wettable powder containing thiram |
-
2017
- 2017-05-08 CN CN201710316582.8A patent/CN106962379A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930979A (en) * | 2005-09-15 | 2007-03-21 | 南京第一农药有限公司 | Germicide composition containing propiconazol and thiram and its application |
| CN105284948A (en) * | 2015-12-05 | 2016-02-03 | 济南舜昊生物科技有限公司 | Wettable powder containing thiram |
Non-Patent Citations (1)
| Title |
|---|
| 杨柳: "山药多糖生物活性研究进展", 《农业科技与装备》 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170721 |
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| WW01 | Invention patent application withdrawn after publication |