CN107019008A - A kind of bactericidal composition for preventing and treating black streaked dwarf virus of rice - Google Patents
A kind of bactericidal composition for preventing and treating black streaked dwarf virus of rice Download PDFInfo
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- CN107019008A CN107019008A CN201710399190.2A CN201710399190A CN107019008A CN 107019008 A CN107019008 A CN 107019008A CN 201710399190 A CN201710399190 A CN 201710399190A CN 107019008 A CN107019008 A CN 107019008A
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- turmeric
- rice
- fluoride phosphate
- toxic fluoride
- bactericidal composition
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/24—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing heterocyclic radicals
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/48—Zingiberaceae [Ginger family], e.g. ginger or galangal
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- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Pest Control & Pesticides (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The present invention relates to a kind of bactericidal composition for preventing and treating black streaked dwarf virus of rice, active ingredient is made up of Turmeric P.E and toxic fluoride phosphate, and the weight ratio of Turmeric P.E and toxic fluoride phosphate is 1:5‑25.The present invention is compounded by Turmeric P.E and toxic fluoride phosphate, for the preventing and treating of black streaked dwarf virus of rice, and Synergistic is obvious, so as to reduce chemical pesticide usage amount.The present invention, which has, delays the germ resistance to the action of a drug to produce, and the features such as friendly to crop, Environmental security, meets agricultural sustainable development direction.
Description
Technical field
The present invention relates to pesticides application technical field, and in particular to a kind of Bactericidal composite for preventing and treating black streaked dwarf virus of rice
Thing.
Background technology
Toxic fluoride phosphate, chemical entitled N- [2- (4- methylbenzothiazoles base)] -2- amino -2- difluorophenyls-O, O- diethyl
Phosphonate ester, molecular formula：C19H22FN2O3PS.Toxic fluoride phosphate is earliest by the Ministry of Education of Guizhou University environment friendly agricultural and agro-biological engineering
Key lab, fine chemistry industry research and development centre of Guizhou University are in national " 15 " brainstorm project, National 973 project, country
Under the project supports such as the industrial brainstorm subject in Natural Science Fund In The Light and Guizhou, by by a kind of compound-α amino phosphorus in sheep body
Acid esters finally researchs and develops a kind of biological source antiviral agent-toxic fluoride phosphate, subsequent Guizhou University was in 2007 12 as guide
The moon 21 is by relative technological achievements transfer in Guangxi Tianyuan Biochemical Co., Ltd..Toxic fluoride phosphate relevant item is through country
Appraisal of scientific and technological achievements, toxic fluoride phosphate antiviral activity and Study on mechanism achievement have reached the leading level in the world, system associated therewith
The toxic fluoride phosphate wettable powder of agent product 30% also won " national key new product " title that national four ministries and commissions issue in 2012.
Toxic fluoride phosphate has following 5 big features：
(1) Initiative Defense：Toxic fluoride phosphate is planted by activating salicylic acid signaling molecule, and then activating downstream PAL, POD, SOD etc.
Thing defense factor, improves crop overall system disease resistance, virus is not bred.
(2) treatment is inhaled in：Toxic fluoride phosphate has stronger systemic action, can be rapidly transferred to plant by the absorption of crop leaf
Each position of strain, destroys virus coat, makes viropexis and can not continue propagation, effectively prevents further spreading for disease.
(3) growth is promoted：Toxic fluoride phosphate can promote root growth, recover leaf portion work(by adjusting plant endogenous growth factor
Can, reduce production loss.
(4) no interactions resistance：Toxic fluoride phosphate is whole world noval chemical compound artificial synthesized first, and the mechanism of action is unique, belongs to state
Family's patented product, systematic protection non-resistant.
(5) safety and environmental protection：Toxic fluoride phosphate is using the phosphoramidic acid esters compound in sheep rumen as guide's bio-mimetic syntheses
Compound, to plant height safety, to the non-target organism high safety such as honeybee, silkworm, fish, bird.
Turmeric, also known as：Root tuber of aromatic turmeric, tripod perfume, milli life, yellow ginger, yellow silk etc., from zingiberaceous plant turmeric Curcuma
Longa L. dry rhizome.Turmeric originates from the provinces and regions such as TaiWan, China, Fujian, Guangdong, Guangxi, Yunnan, Tibet, East Asia and the southeast
Sub- cultivation extensively.It has promoting the circulation of qi broken stasis of blood, it is inducing meastruation to relieve menalgia the effects such as, cure mainly chest and abdomen swelling and pain, shoulder arm numbness pain, it is pained unbearably, postpartum
Blood pain, sore tinea is initial, irregular menstruation, amenorrhoea, traumatic injury.Yellow food colour is can extract again, and contained curcumin can perform an analysis
Chemical reagent.Curcumin chemical compounds are the natural constituent in turmeric rhizome, disease-resistant with reducing blood lipid, antitumor, anti-inflammatory
Pathogenic microorganism etc. is acted on.
Black streaked dwarf virus of rice (rice black-streaked dwarf disease) is that one kind is main biography by plant hopper
Virus mediator, south China rice region widely happening and prevelence a kind of Rice Virus venereal disease evil, have hair in national each paddy rice producing region
It is raw, seriously endanger paddy quality and yield.The disease is most found in China earlier than early 1960s.1990s with
Come, the disease is made Vietnam and south China rice region occurring area expand rapidly, the extent of injury is substantially aggravated for especially 2010
Into multiple spot field in blocks, No kernels or seeds are gathered, as in a year of scarcity, and grave danger is caused to China's Rice Production.
By the combination of active principles of the different mechanisms of action, synergistic effect significantly formula can greatly improve preventive effect, reduction
Dosage, cost, environmental protection are reduced, while phytopathogen can also be avoided to produce the speed that resistance or delaying drug resistance are produced
Degree, is to solve the current alone resistance of agricultural chemicals and a kind of effective and quick way of Cost Problems.At present with Turmeric P.E, poison
Fluorine phosphorus not yet has relevant report for the research that the composition of active ingredient is applied to prevent and treat black streak dwarf.
The content of the invention
It is good that the technical problem to be solved in the present invention is to provide a kind of preventive effect, can reduce chemical pesticide usage amount, to making
The friendly bactericidal composition for preventing and treating black streaked dwarf virus of rice of the safety such as thing, environment.
The technical scheme that present invention solution above-mentioned technical problem is taken is as follows：It is a kind of to prevent and treat killing for black streaked dwarf virus of rice
Bacteria composition, active ingredient is made up of Turmeric P.E and toxic fluoride phosphate, and the weight ratio of Turmeric P.E and toxic fluoride phosphate is 1:5-25.
Preferably, the weight ratio of Turmeric P.E and toxic fluoride phosphate is 1:10.
Its active ingredient of described bactericidal composition accounts for the 1-70% of bactericidal composition gross weight, and surplus is that can be connect on agricultural chemicals
The auxiliary element received.
Described bactericidal composition adds corresponding auxiliary element and is prepared into according to method known in those skilled in the art
Wettable powder or water dispersible granules.
The auxiliary element that bactericidal composition of the present invention is used include dispersant, wetting agent, disintegrant, binding agent, stabilizer,
Filler or it is other be beneficial to the known substance that active ingredient is stablized in the formulation and drug effect is played, be all in field of pesticide preparation often
With or allow the various composition that uses.
The preparation method of the Turmeric P.E is as follows：
1) turmeric rhizome is cleaned, dried in the shade, crushed with pulverizer, cross 40-60 mesh sieves；
2) turmeric crushed is put into reactor, adds 6-10 times and measure 95% ethanol soaking at room temperature 12-48h, then
25-40min is extracted under ultrasonic wave, leaching liquor is collected, extracts 1-2 times again as stated above, merges all leaching liquors；
3) by gained leaching liquor filtered on buchner funnel, it is 1.10 that filtrate, which is concentrated under reduced pressure into relative density with Rotary Evaporators,
~1.20 medicinal extract, is freeze-dried into powder by medicinal extract and produces Turmeric P.E.
Beneficial effect of the present invention：The present invention is compounded by Turmeric P.E and toxic fluoride phosphate, for rice black-streaked dwarf
The preventing and treating of disease, Synergistic is obvious, so as to reduce chemical pesticide usage amount.The present invention, which has, delays the germ resistance to the action of a drug to produce,
The features such as to crop, Environmental security close friend, meet agricultural sustainable development direction.
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.
First, the preparation of Turmeric P.E
The preparation method of the Turmeric P.E is as follows：
1) turmeric rhizome is cleaned, dried in the shade, crushed with pulverizer, cross 40 mesh sieves；
2) turmeric crushed is put into reactor, 10 times of 95% ethanol soaking at room temperature 24h of amount is added, then at 40 DEG C
Under the conditions of extract 40min under 60Hz frequency ultrasonic waves, collect leaching liquor, extract again as stated above 2 times, merge all extractions
Liquid；
3) by gained leaching liquor filtered on buchner funnel, it is 1.15 that filtrate, which is concentrated under reduced pressure into relative density with Rotary Evaporators,
Medicinal extract, medicinal extract is freeze-dried into powder, that is, be made Turmeric P.E.
2nd, Toxicity Determination
Test method：Plant hopper is fed with diseased plant, makes plant hopper band poison, after testing the malicious rate about 35% of band.Potted plant healthy rice strain, is used
In connecing worm.When rice shoot length to 1 leaf -2 1 heart of leaf of 1 heart, inoculated identification is carried out.Per alms bowl cover with translucent cover, gauze sealing in top is pressed
The worm amount that needs, access 2-3 ages small brown rice planthopper (the malicious rate about 35% of band) are calculated per 5 small brown rice planthoppers of seedling.Expelling parasite daily 2 times, makes tested rice seedling
Uniformly by poison.After 48h, the medicament for preparing various concentrations is uniformly sprayed on for examination seedling, 4 repetitions, each processing is often handled
Seedling morbidity is grown under the conditions of natural lighting.Experiment sets the processing without medicament as blank control.Deng blank control morbidity
When 50% or so, classification investigation incidence calculates inhibiting rate.
Inhibiting rate is converted into probit value (y), liquor strength (μ g/mL) is converted into logarithm value (x), asked with least square method
Virulence regression equation (y=a+bx) is obtained, and thus calculates the EC of every kind of medicament50Value.It is according to the common poison of the abundant methods of Sun Yun simultaneously
Number methods (CTC) evaluate the synergistic effect of pharmacy mix, i.e. CTC≤80, and 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 Turmeric P.E of table 1, toxic fluoride phosphate and its compounding to black streaked dwarf virus of rice
As shown in Table 1, the weight ratio of Turmeric P.E and toxic fluoride phosphate is 1:Compounded in the range of 5-25 to rice black-streaked dwarf
Disease shows obvious synergistic effect.Wherein, when Turmeric P.E and toxic fluoride phosphate in weight ratio are 1:When 10, synergistic effect is outstanding
For protrusion, co-toxicity coefficient is 214.0；When the weight ratio of Turmeric P.E and toxic fluoride phosphate is 1:27、1:When 2, composition is shown as
Summation action；When the weight ratio of Turmeric P.E and toxic fluoride phosphate is 3:1、1:When 30, composition shows as antagonism.
3rd, the implementation of Formulation Example
Embodiment 1：22% Turmeric P.E toxic fluoride phosphate wettable powder (1:10)
Turmeric P.E (active ingredient) 2%, toxic fluoride phosphate (active ingredient) 20%, APES is weighed (to divide
Powder) 5%, spaonin powder (wetting agent) 4.5%, attapulgite (filler) 10%, kaolin (filler) complement to 100%；Will be each
Component is well mixed in mixed cylinder, is remixed after being crushed through airslide disintegrating mill uniform, you can 22% Turmeric P.E is made
Toxic fluoride phosphate wettable powder.
Embodiment 2：10.5% Turmeric P.E toxic fluoride phosphate wettable powder (1:20)
Weigh Turmeric P.E (active ingredient) 0.5%, toxic fluoride phosphate (active ingredient) 10%, lignosulfonates (scattered
Agent) 3.5%, lauryl sodium sulfate (wetting agent) 3%, diatomite (filler) complement to 100%；By each component in mixed cylinder
It is well mixed, remixed after being crushed through airslide disintegrating mill uniform, you can 10.5% Turmeric P.E toxic fluoride phosphate wettable is made
Pulvis.
Embodiment 3：32% Turmeric P.E toxic fluoride phosphate wettable powder (1:15)
Weigh Turmeric P.E (active ingredient) 2%, toxic fluoride phosphate (active ingredient) 30%, lignosulfonates (dispersant)
3%th, alkylbenzenesulfonate (dispersant) 3.5%, pull open powder (wetting agent) 5%, soil powder (filler) complement to 100%；Will be each
Component is well mixed in mixed cylinder, is remixed after being crushed through airslide disintegrating mill uniform, you can 32% Turmeric P.E is made
Toxic fluoride phosphate wettable powder.
Embodiment 4：18% Turmeric P.E toxic fluoride phosphate water dispersible granules (1:5)
Turmeric P.E (active ingredient) 3%, toxic fluoride phosphate (active ingredient) 15%, NPE is weighed (to divide
Powder) 4%, calcium dodecyl benzene sulfonate (wetting agent) 4%, starch (binding agent) 2%, ammonium carbonate (disintegrant) 2%, white carbon
(filler) 8%, kaolin (filler) complement to 100%；The particle diameter that each component is needed through air-flow crushing together, is made
Grain materials, item is quantified in feeding fluidized bed granulating dryer after granulation and drying, that is, 18% turmeric is made and extracts
Thing toxic fluoride phosphate water dispersible granules.
Embodiment 5：26% Turmeric P.E toxic fluoride phosphate water dispersible granules (1:25)
Turmeric P.E (active ingredient) 1%, toxic fluoride phosphate (active ingredient) 25%, APES is weighed (to divide
Powder) 5.5%, lauryl sodium sulfate (wetting agent) 5%, sodium carboxymethylcellulose (binding agent) 2.5%, sodium carbonate (disintegration
Agent) 2%, diatomite (filler) complement to 100%；The particle diameter that each component is needed through air-flow crushing together, is pelletized
Materials, item is quantified in feeding fluidized bed granulating dryer after granulation and drying, i.e., obtained 26% Turmeric P.E
Toxic fluoride phosphate water dispersible granules.
Embodiment 6：16% Turmeric P.E toxic fluoride phosphate water dispersible granules (1:7)
Weigh Turmeric P.E (active ingredient) 2%, toxic fluoride phosphate (active ingredient) 14%, alkylnaphthalene sulfonate formaldehyde condensation
Thing (dispersant) 4%, calcium dodecyl benzene sulfonate (wetting agent) 3.5%, polyvinyl alcohol (binding agent) 2%, calcium chloride (disintegration
Agent) 2%, white carbon (filler) 8%, kaolin (filler) complement to 100%；Each component is needed through air-flow crushing together
Particle diameter, obtain pelletize materials, by item quantify feeding fluidized bed granulating dryer in after granulation and drying, that is, be made
16% Turmeric P.E toxic fluoride phosphate water dispersible granules.
Comparative example 1：22% Turmeric P.E wettable powder
Weigh Turmeric P.E (active ingredient) 22%, APES (dispersant) 5%, spaonin powder (moistening
Agent) 4.5%, attapulgite (filler) 10%, kaolin (filler) complement to 100%；Each component is mixed in mixed cylinder
It is even, remixed after being crushed through airslide disintegrating mill uniform, you can 22% Turmeric P.E wettable powder is made.
Comparative example 2：30% toxic fluoride phosphate wettable powder, registration card number：PD20160338, Guangxi rural area biochemistry share is limited
Company, it is purchased in market.
Separately set blank control.
4th, the implementation of Formulation Example is applied to prevent and treat black streaked dwarf virus of rice field control effectiveness test
Test method：This experimental arrangement sprays dispenser after 10-15 days in Guangxi Binyang County for the first time in rice transplanting, and
Second of spray dispenser is carried out within 7 days after a drug, common dispenser is twice.Experiment sets 7 processing altogether, often handles 4 repetitions, per small
Area area 40m2, random district's groups arrangement.
Investigation method：7 days before dispenser, after second of dispenser, investigate within 14 days, each 5 grab sample of cell, per cell
Investigation 70 clumps, grade scale is investigated according to related data, calculates disease index and prevention effect.
Disease index and prevention effect computational methods：
Disease index calculation formula：
In formula：
X- disease indexs；Ni- sick the number of sheets at different levels；I- is with respect to value of series；N- investigates total number of sheets.
Prevention effect formula：
In formula：
P- prevention effects, unit is percentage (%)；CK0Disease index before the dispenser of-blank district；CK1- blank control
Disease index after area's dispenser；PT0Disease index before the dispenser of-chemicals treatment district；PT1Disease index after the dispenser of-chemicals treatment district.
The Turmeric P.E of table 2, toxic fluoride phosphate and its compounding prevent and treat black streaked dwarf virus of rice field control effectiveness test
As can be seen from Table 2, the bactericidal composition that the present invention is compounded with Turmeric P.E and toxic fluoride phosphate can effectively be prevented harnessing the river
Rice black streak dwarf, prevention effect is superior to single dose.Both compoundings can delay the drug-fast generation of germ simultaneously, and experiment is made
Thing is without obvious harmful effect, and security is good, meets the security requirement of pesticidal preparations.
Claims (4)
1. a kind of bactericidal composition for preventing and treating black streaked dwarf virus of rice, it is characterised in that active ingredient is by Turmeric P.E and poison
Fluorine phosphorus is constituted, and the weight ratio of Turmeric P.E and toxic fluoride phosphate is 1:5-25.
2. bactericidal composition according to claim 1, it is characterised in that the weight ratio of Turmeric P.E and toxic fluoride phosphate is 1:
10。
3. bactericidal composition according to claim 1 or 2, it is characterised in that it is total that the active ingredient accounts for bactericidal composition
The 1-70% of weight, surplus is acceptable auxiliary element on agricultural chemicals.
4. bactericidal composition according to claim 3, it is characterised in that described bactericidal composition is prepared into wettable powder
Agent or water dispersible granules.
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| CN201710399190.2A CN107019008B (en) | 2017-05-31 | 2017-05-31 | Bactericidal composition for preventing and treating rice black-streaked dwarf disease |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399190.2A CN107019008B (en) | 2017-05-31 | 2017-05-31 | Bactericidal composition for preventing and treating rice black-streaked dwarf disease |
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| Publication Number | Publication Date |
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| CN107019008A true CN107019008A (en) | 2017-08-08 |
| CN107019008B CN107019008B (en) | 2020-05-01 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1947522A (en) * | 2005-10-14 | 2007-04-18 | 中国医学科学院药用植物研究所 | Botany resource disinfectants for agricultural use an dits prepn. method |
| CN102349538A (en) * | 2011-11-04 | 2012-02-15 | 广西田园生化股份有限公司 | Anti-plant virus pesticide composition |
| CN102428956A (en) * | 2011-11-04 | 2012-05-02 | 广西田园生化股份有限公司 | Insecticidal antivirus composition based on Dufulin and insecticide |
| CN103814943A (en) * | 2014-02-13 | 2014-05-28 | 山东省农业科学院植物保护研究所 | Pesticide composite for preventing and controlling plant virus disease and application thereof |
-
2017
- 2017-05-31 CN CN201710399190.2A patent/CN107019008B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1947522A (en) * | 2005-10-14 | 2007-04-18 | 中国医学科学院药用植物研究所 | Botany resource disinfectants for agricultural use an dits prepn. method |
| CN102349538A (en) * | 2011-11-04 | 2012-02-15 | 广西田园生化股份有限公司 | Anti-plant virus pesticide composition |
| CN102428956A (en) * | 2011-11-04 | 2012-05-02 | 广西田园生化股份有限公司 | Insecticidal antivirus composition based on Dufulin and insecticide |
| CN103814943A (en) * | 2014-02-13 | 2014-05-28 | 山东省农业科学院植物保护研究所 | Pesticide composite for preventing and controlling plant virus disease and application thereof |
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Effective date of registration: 20220809 Address after: 530400 Guangxi Zhuang Autonomous Region Nanning City Luwei Town Xinliao Village Committee Baishuitang Village Heling and Dashiling Section (Luwei Industrial Concentration Zone B-9-11-1) Patentee after: GUANGXI NANNING CITY BINYANG COUNTY JUFENG RICE Co.,Ltd. Address before: Luwei Industrial Concentration Zone, Binzhou Town, Binyang County, Nanning City, Guangxi Zhuang Autonomous Region 530405 Patentee before: GUANGXI NANNING TIANYUAN JUFENG AGRICULTURAL TECHNOLOGY CO.,LTD. |
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