CN106818755A - A kind of bactericidal composition for preventing and treating rice sheath blight disease - Google Patents
A kind of bactericidal composition for preventing and treating rice sheath blight disease Download PDFInfo
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- CN106818755A CN106818755A CN201710242530.0A CN201710242530A CN106818755A CN 106818755 A CN106818755 A CN 106818755A CN 201710242530 A CN201710242530 A CN 201710242530A CN 106818755 A CN106818755 A CN 106818755A
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- China
- Prior art keywords
- chinese yam
- flutolanil
- bactericidal composition
- yam polysaccharide
- sheath blight
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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
- 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
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
- A01N37/24—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides containing at least one oxygen or sulfur atom being directly attached to the same aromatic ring system
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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)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of bactericidal composition for preventing and treating rice sheath blight disease, active ingredient is made up of Chinese yam polysaccharide and flutolanil, and the weight ratio of Chinese yam polysaccharide and flutolanil is 7 15:5‑9.The present invention is used for the preventing and treating of rice sheath blight disease by the bactericidal composition that Chinese yam polysaccharide and flutolanil carry out rational mixture, drug effect can be greatly improved, pesticide dosage is reduced, Pesticide use cost is reduced, simultaneously single dose can be overcome easily to produce the shortcoming of resistance, the need for meeting agricultural production.
Description
Technical field
The present invention relates to pesticides application technical field, and in particular to a kind of bactericidal composition for preventing and treating rice sheath blight disease.
Background technology
Rice sheath blight disease, also known as moire disease, popular name spends sufficient stalk, rotten pin pest, features spot.It is to be infected by Rhizoctonia solani Kuhn
Disease, occurs more under high temperature, super-humid conditions.The disease prevents paddy rice from earing, or the not plump paddy of heading is more, and grain declines again.Line is withered
Disease causes harm seriously in South Rice Region of China, is one of Major Diseases in current Rice Production.
Chinese yam (Dioscorea opposita Thunb) also known as Chinese yam, prolong chapter, jade and prolong, be Dioscoreaceae Dioscorea for many years
The dry tuber of raw perennial root gadding plant.Modern medicine study thinks that the pharmacological activity main component of Chinese yam is Chinese yam polysaccharide (Yam
polysaccharide).Have much to the research of Chinese yam polysaccharide both at home and abroad at present, have been reported that Chinese yam polysaccharide have immunological regulation,
Antitumor, anti-aging, anti-mutation, anti-oxidant etc. are acted on.But the antibacterial action on Chinese yam polysaccharide studies still few, Yu Lian, Zhang Jun
It is graceful, Ma Shuxia, Zhang Tao, what Meng Dexin was delivered《Chinese yam polysaccharide optimal extraction technology and its antibacterial activity are studied》Confirm Chinese yam polysaccharide
There is certain fungistatic effect to staphylococcus aureus, Escherichia coli, Candida albicans etc..
Flutolanil, English name：Flutolanil, is a kind of chemical substance, and molecular formula is C17H16F3NO2.The mechanism of action
With feature in the electron transport chain of respiration as succinate dehydrogenase inhibitors, suppress aspartate and glutamic acid
The synthesis of salt.Flutolanil is a kind of with the systemic fungicide for protecting and controlling malignant boil activity, hinders the growth of bacterium on infected body
With penetrate, cause the disappearance of mycelia, systemic fungicide, for preventing and treating the fungus-caused disease of some Basidiomycetes, Yi Jisi
The microbial rice sheath blight disease of core.
Either flutolanil or other efficient germicides, long-term to be used alone, and disease is developed immunity to drugs, and causes
Dosage is increased, the problem of preventive effect reduction.The active ingredient of the different mechanisms of action is compounded, and is to delay disease to develop immunity to drugs
Conventional method, and effect in production application judges that this compounding is synergistic effect or antagonism.Synergy
Obvious formula, can significantly improve preventive effect, substantially reduce the dosage of agricultural chemicals, improve germicidal efficiency.
The research that the current composition with Chinese yam polysaccharide, flutolanil as active ingredient is applied to rice sheath blight disease not yet has phase
Close report.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of bactericidal composition for preventing and treating rice sheath blight disease, withered for line
The preventing and treating of disease, can significantly improve drug effect, delay the generation of germ resistance, reduce pesticide cost.
The present invention is to be achieved through the following technical solutions：A kind of bactericidal composition for preventing and treating rice sheath blight disease, active ingredient
It is made up of Chinese yam polysaccharide and flutolanil, the weight ratio of Chinese yam polysaccharide and flutolanil is 7-15:5-9.Preferably, Chinese yam polysaccharide and fluorine
The weight ratio of acid amides is 13:6.
Described bactericidal composition, described active ingredient accounts for the 10-40% of bactericidal composition gross weight.
Described bactericidal composition is according to method known in those skilled in the art, the agent for adding corresponding adjuvant to be made
Type is wettable powder.
The adjuvant that bactericidal composition of the present invention is used include dispersant, wetting agent, filler, stabilizer or other be beneficial to
The known substance that active ingredient is stablized in the formulation and drug effect is played, is all to commonly use or allow use each in field of pesticide preparation
Plant composition.
The dispersant and wetting agent be selected from calcium dodecyl benzene sulfonate, alkyl benzene sulfonate calcium salt, lauryl sodium sulfate,
Polycarboxylate, lignosulfonates, APES, sodium hydroxyethyl cellulose, Negel.Fatty alcohol polyoxy
One kind or many in ethene ether phosphate, AEO, sodium butylnaphthalenesulfonate, styrylphenol polyoxyethylene ether
Kind.
Described filler is：One or more in kaolin, attapulgite, soil powder, diatomite, bentonite, white carbon.
Beneficial effect of the present invention：The bactericidal composition that the present invention carries out rational mixture by Chinese yam polysaccharide and flutolanil is used for
The preventing and treating of rice sheath blight disease, can greatly improve drug effect, reduce pesticide dosage, Pesticide use cost be reduced, while list can be overcome
Agent easily produces the shortcoming of resistance, the need for meeting agricultural production.
Specific embodiment
Technical scheme and technique effect are described further below in conjunction with specific embodiment, institute of the present invention
The percentage stated is weight percentage.
Implementation of an application example one：Chinese yam polysaccharide and flutolanil compounding are to rice sheath blight disease Toxicity Determination
After determining the effective inhibition concentration scope of each medicament through prerun, each medicament is set 5 agent by active constituent content respectively
Amount gradient treatment, if clear water is compareed.Reference《Farm-chemical indoor determination test rule bactericide》Carry out, using mycelial growth speed
Rate method determines virulence of the medicament to rice sheath blight disease.Colony diameter is measured with crossing method after 72h, the net growth of each treatment is calculated
Amount, mycelial growth inhibition rate.
Mycelial growth inhibition rate is converted into probit value (y), liquor strength (μ g/mL) is converted into logarithm value (x), with minimum
Square law tries to achieve virulence regression equation (y=a+bx), and thus calculates the EC of every kind of medicament50Value.Simultaneously according to the abundant methods of Sun Yun
Co-toxicity coefficient method (CTC) evaluate the synergistic effect of pharmacy mix, i.e. CTC≤80, composition shows as antagonism, when 80
<CTC<120, composition shows as summation action, and when CTC >=120, composition shows as synergistic effect.
Result of the test such as table 1.
The toxicity test analysis of results table of the Chinese yam polysaccharide of table 1, flutolanil and its compounding to rice sheath blight disease
| Reagent agent | Proportioning | Regression equation (y=a+bx) | Coefficient correlation | EC50(μg/mL) | Co-toxicity coefficient |
| Chinese yam polysaccharide (A) | / | Y=1.7786+1.3760x | 0.9932 | 219.37 | / |
| Flutolanil (B) | / | Y=5.8247+1.6873x | 0.9883 | 0.32 | / |
| Guardian (C) | / | Y=6.0650+1.1301x | 0.9892 | 0.11 | / |
| A：B | 7:5 | Y=5.3897+1.8489x | 0.9881 | 0.62 | 125.4 |
| A：B | 11:9 | Y=5.3588+1.3744x | 0.9984 | 0.55 | 130.9 |
| A：B | 8:7 | Y=5.4508+1.3063x | 0.9882 | 0.45 | 154.3 |
| A：B | 9:8 | Y=5.3339+1.3454x | 0.9985 | 0.56 | 122.9 |
| A：B | 10:7 | Y=5.3953+1.3934x | 0.9987 | 0.52 | 151.2 |
| A：B | 13:6 | Y=5.4004+1.4491x | 0.9983 | 0.53 | 193.3 |
| A：B | 15:8 | Y=5.3856+1.4211x | 0.9968 | 0.54 | 172.3 |
| A：B | 3:10 | Y=5.1659+1.7411x | 0.9906 | 0.80 | 52.7 |
| A：B | 6:1 | Y=4.1838+1.6292x | 0.9827 | 3.17 | 71.0 |
| A：C | 8:7 | Y=5.6662+1.3607x | 0.9908 | 0.32 | 76.4 |
As shown in Table 1, the weight ratio of Chinese yam polysaccharide and flutolanil is in 7-15:Mixture is equal to rice sheath blight disease in the range of 5-9
Show obvious synergistic effect.Wherein, Chinese yam polysaccharide is 13 in weight ratio with flutolanil:6 mixtures, co-toxicity coefficient is maximum, increases
Effect effect is especially prominent.When the weight ratio of Chinese yam polysaccharide and Guardian is 8:During 7 mixture, composition shows as antagonism.
Implementation of an application example two：The implementation of Formulation Example
Embodiment 1：19% Chinese yam polysaccharide flutolanil wettable powder
Weigh Chinese yam polysaccharide 13%, flutolanil 6%, calcium dodecyl benzene sulfonate 2.5%, lauryl sodium sulfate 2.5%,
White carbon 15%, kaolin adds to 100%, and each component is well mixed, and it is many that size-reduced machine is obtained 19% Chinese yam after being pulverized and mixed
Sugared flutolanil wettable powder.
Embodiment 2：20% Chinese yam polysaccharide flutolanil wettable powder
Chinese yam polysaccharide 11%, flutolanil 9%, alkyl benzene sulfonate calcium salt 3%, lauryl sodium sulfate 1.5%, kaolin add
To 100%, each component is well mixed, size-reduced machine is obtained 20% Chinese yam polysaccharide flutolanil wettable powder after being pulverized and mixed
Agent.
Embodiment 3：18% Chinese yam polysaccharide flutolanil wettable powder
Chinese yam polysaccharide 13%, flutolanil 5%, sodium hydroxyethyl cellulose 1.5%, Negel 2%, dodecyl sulphur
Sour sodium 1.5%, white carbon 20%, attapulgite add to 100%, and each component is well mixed, and size-reduced machine is made after being pulverized and mixed
Obtain 18% Chinese yam polysaccharide flutolanil wettable powder.
Embodiment 4：34% Chinese yam polysaccharide flutolanil wettable powder
Chinese yam polysaccharide 18%, flutolanil 16%, calcium dodecyl benzene sulfonate 2%, lignosulfonates 2.5%, white carbon
10%th, soil powder adds to 100%, and each component is well mixed, and size-reduced machine is obtained 34% Chinese yam polysaccharide fluorine after being pulverized and mixed
Acid amides wettable powder.
Implementation of an application example three：The implementation of Formulation Example is applied to prevent and treat the rice sheath blight disease test of pesticide effectiveness
This EE investigates state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class in Guangxi Guigang dan Ka Zhen, before medicine
Number, experiment set 5 treatment altogether, using conventional spray-on process, in early stage dispenser, after the 1st dispenser 7 days again dispenser once, be total to
Dispenser 2 times, 7 days after last dispenser, investigates disease index for 14 days and calculates preventive effect respectively.Experimental result such as table 2.
The Chinese yam polysaccharide of table 2, flutolanil and its compounding prevent and treat the rice sheath blight disease test of pesticide effectiveness
As can be seen from Table 2, the bactericidal composition of Chinese yam polysaccharide and flutolanil compounding can effectively prevent and treat rice sheath blight disease
Development, prevention effect is superior to single dose, improves actual prevention effect, reduces drug cost.
Claims (4)
1. a kind of bactericidal composition for preventing and treating rice sheath blight disease, it is characterised in that active ingredient is by Chinese yam polysaccharide and flutolanil group
Into the weight ratio of Chinese yam polysaccharide and flutolanil is 7-15:5-9.
2. bactericidal composition according to claim 1, it is characterised in that the weight ratio of Chinese yam polysaccharide and flutolanil is 13:
6。
3. bactericidal composition according to claim 1 and 2, it is characterised in that described active ingredient accounts for bactericidal composition
The 10-40% of gross weight.
4. the bactericidal composition according to claim any one of 1-3, it is characterised in that described bactericidal composition is prepared into
Wettable powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242530.0A CN106818755A (en) | 2017-04-14 | 2017-04-14 | A kind of bactericidal composition for preventing and treating rice sheath blight disease |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242530.0A CN106818755A (en) | 2017-04-14 | 2017-04-14 | A kind of bactericidal composition for preventing and treating rice sheath blight disease |
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| CN106818755A true CN106818755A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710242530.0A Pending CN106818755A (en) | 2017-04-14 | 2017-04-14 | A kind of bactericidal composition for preventing and treating rice sheath blight disease |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431900A (en) * | 2006-04-26 | 2009-05-13 | 巴斯夫欧洲公司 | Composition comprising a glucan or a glucan derivative and a pesticide and methods for improving plant health |
| CN104273126A (en) * | 2014-09-29 | 2015-01-14 | 谢绪叶 | Pesticide synergistic composition containing flutolanil and amino-oligosaccharin |
-
2017
- 2017-04-14 CN CN201710242530.0A patent/CN106818755A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431900A (en) * | 2006-04-26 | 2009-05-13 | 巴斯夫欧洲公司 | Composition comprising a glucan or a glucan derivative and a pesticide and methods for improving plant health |
| CN104273126A (en) * | 2014-09-29 | 2015-01-14 | 谢绪叶 | Pesticide synergistic composition containing flutolanil and amino-oligosaccharin |
Non-Patent Citations (1)
| Title |
|---|
| 于广利等编著: "《糖药物学》", 31 October 2012, 中国海洋大学出版社 * |
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Application publication date: 20170613 |