CN105409992B - A kind of bactericidal composition and its application - Google Patents
A kind of bactericidal composition and its application Download PDFInfo
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- CN105409992B CN105409992B CN201511028686.6A CN201511028686A CN105409992B CN 105409992 B CN105409992 B CN 105409992B CN 201511028686 A CN201511028686 A CN 201511028686A CN 105409992 B CN105409992 B CN 105409992B
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- bactericidal composition
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- pyraclostrobin
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- bactericidal
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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
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to disinfectant use in agriculture field, relates in particular to a kind of bactericidal composition containing pyraclostrobin and ZEN 90160 and its application.The active ingredient of the bactericidal composition is pyraclostrobin and ZEN 90160, and formulation is suspending agent, water dispersible granules, and the two weight ratio is 1:20~15:1, preferably 5:1~1:8.Its advantage and have the beneficial effect that：1. bactericidal range is wide；2. the lasting period is grown；3. low toxicity, noresidue is nuisanceless, environmentally safe；4. using compound formulation, the dosage of two kinds of bactericide so as to improve bactericidal effect, adds security, reduces environmental pollution than being reduced during single use.
Description
Technical field
The invention belongs to disinfectant use in agriculture field, a kind of killing containing pyraclostrobin and ZEN 90160 is related in particular to
Bacteria composition and its application.
Background technology
Pyraclostrobin is new-type wide-spectrum bactericide, the mechanism of action：For mitochondrial respiratory inhibitor, i.e., by cell color
Prevent electronics from shifting in element synthesis, there is protection, treatment, blade infiltration conduction.Pyraclostrobin is stronger except having to fungi
Inhibitory action outside, the growth to crop also has obvious facilitation, can be obviously improved the growing way of crop, improves immune
Power, preferably defend disease.Pyraclostrobin is to fish severe toxicity, to bird, honeybee, earthworm low toxicity.Medical instruments are indicated on Product labelling
It must not be washed in the water sources such as pond and water body, dispenser raffinate must not be poured into water source and water body.Because pyraclostrobin is unique
The mechanism of action and the facilitation to plant growth, while to other bactericide have resistance germ it is effective, this agent has very big
Room for development.
ZEN 90160 is systemic fungicide, controlling object wide spectrum, and the foliage disease such as leaf for being mainly used in preventing and treating wheat class is withered
Disease, leaf rust, glume blight, brown spot, powdery mildew etc., compared with other methoxy acrylic bactericides, ZEN 90160 pair
Wheat leaf blessing disease, net blotch and moire disease have stronger therapeutic effect.The mechanism of action is all mitochondrial respiratory inhibitor, that is, is passed through
The breathing of electronics metastasis suppressor mitochondria between cytochrome b and C1.Preventing and treating is to 14- demethylations enzyme inhibitor, benzamide
The bacterial strain that class, tri carboxylic acid amide class and benzimidazole produce resistance is effective.ZEN 90160 is once absorbed by blade, will be wooden
Move in portion, flowed with current in transportation system；It also flows in the gas phase of blade surface and absorbed with from gas phase
Flowed again in xylem after into blade.Without using ZEN 90160 [250g (a.i.)/hm under the conditions of rain2] spraying treatment crop
It is 10mm, is compared up to 1h exposed to rainfall with by the crop of 2h after same spraying treatment, the results showed that both is to big
The prevention effect of wheat leaf blight is consistent.Just because of the systemic activity and fumigation activity of ZEN 90160, thus after dispenser, have
Effect composition can effectively reallocate and fully transmit, therefore ZEN 90160 has more preferable treatment than the Fluoxastrobin and trifloxystrobin of commercialization
Activity.
Wheat powdery mildew, grass family dlumeria graminis wheat specialized form；Scientific name：Blumeria graminis(DC.)
Speer=Erysipe graminis DC., E.graminis DC.f.sp.triticl.Marchal；It is a kind of world's venereal disease
Evil, it is distributed in each main wheat producing countries, China's Along The Coast of Shandong Province, Sichuan, Guizhou, Yunnan occur generally, to cause harm and also weigh.In recent years
The disease also has the gesture being on the rise in northeast, North China, the northwest area of wheat.The disease can encroach on each organ of wheat plant overground part, but with
Based on blade and leaf sheath, glume and awns also can be aggrieved when morbidity is heavy.
The defects of different degrees of often be present in disinfectant use in agriculture preventing and treating in the bactericide kind containing single-activity component,
As bactericidal range is narrow, prevention effect is poor, and dispenser dosage is also easy to produce greatly the resistance to the action of a drug, and application times aggravate environmental pollution etc. more.For
Preventing and treating agriculturally produces the germ of resistance, and a kind of method is to release the new new component with existing kind no interactions resistance.But
The development cost of new active ingredient is high, construction cycle length, and does not all catch up with the speed that germ produces resistance forever.It is other
Method such as crop structure adjustment, different agricultural chemicals rotations etc., during practical operation, it is difficult to really play obvious effect
Fruit.
Different cultivars composition is compounded, and is the preventing and treating most common method of resistance germ.Heterogeneity is compounded, can be with
Prevention effect is improved, expands bactericidal range, reduces the dosage of active ingredient, saves drug cost, environmental pollution is reduced, is comprehensive
The important means of controlling disease.
The content of the invention
It is an object of the invention to provide a kind of bactericidal activity is efficient, the lasting period is long, quick-acting it is high and low poison, environmental protection contain
The bactericidal composition and its application of pyraclostrobin and ZEN 90160.
Technical scheme is as follows：
A kind of bactericidal composition, its active ingredient are pyraclostrobin and ZEN 90160, and formulation is suspending agent, water-dispersible grain
Agent.
The weight ratio of the active ingredient pyraclostrobin and ZEN 90160 is 1:20~15:1, preferably 5:1~1:8.
Weight percentage of the active ingredient pyraclostrobin with ZEN 90160 in the bactericidal composition be
10%~80%.
Also include carrier and auxiliary agent in the bactericidal composition.
One or more of the carrier in water, filler.
The auxiliary agent includes surfactant, and the surfactant is selected from emulsifying agent, dispersant, wetting agent or bleeding agent
In one or more.
The auxiliary agent also includes other functional aids, and other described functional aids are selected from antifreezing agent, thickener, stably
It is one or more in agent, disintegrant or defoamer.
A kind of application of bactericidal composition on preventing and treating wheat powdery mildew.
The present invention has the advantage that and beneficial effect：1. bactericidal range is wide；2. the lasting period is grown；3. low toxicity, noresidue, no public affairs
Evil, it is environmentally safe；4. using compound formulation, the dosage of two kinds of bactericide is killed than being reduced during single use so as to improve
Bacterium effect, adds security, reduces environmental pollution.
Embodiment
The present invention is illustrated with reference to embodiments.But the present invention is only limited to absolutely not these following embodiments.Formula
Middle percentage is weight percentage, and used active compound and auxiliary agent are bought from other producers.
Recipe determination is as follows：
Pyraclostrobin, the bactericidal activity of two kinds of active ingredients of ZEN 90160 are very high, for the action character of two kinds of compositions,
The object of indoor biometricses is positioned as wheat powdery mildew, specific test situation and result are as follows：
Experimental drug uses 95% pyraclostrobin and 95% ZEN 90160 active compound, is dissolved active compound using acetone, prepares
Into required preparation (according to the matched proportion density of setting, be configured to needed for concentration liquid it is standby, used active compound and auxiliary agent are equal
Bought for other producers).
The method of indoor biometricses is：Using pot-culture method, medicament is uniformly sprayed on standby wheat seedling with spray-on process, from
So dry.Experiment sets the processing without medicament and makees blank control.By caused Powdery Mildew is fresh in 24h on morbidity wheat leaf blade
Spore uniformly is shaken off to be inoculated on the 2-3 leaf phases potted plant wheat seedling of processing.Often processing is no less than 3 basins, per 10 plants of basin.Protectiveness is tried
The 24h after chemicals treatment is tested to be inoculated with；Curative tests 24h before chemicals treatment is inoculated with, and is then put and is cultivated under suitable condition.According to
The classification investigation of blank control incidence.Using following stage division：0 grade：It is disease-free；1 grade：Lesion area accounts for full wafer area
Less than 5%；3 grades：Lesion area accounts for the 6%~15% of full wafer area；5 grades：Lesion area accounts for the 16%~25% of full wafer area；
7 grades：Lesion area accounts for the 26%~50% of full wafer area；9 grades：Lesion area accounts for more than the 50% of full wafer area.
According to survey data, the disease index and prevention effect of each processing are calculated.
Disease index is calculated by formula (1), and result of calculation retains 2 significant digits：
In formula：X-disease index；Ni-sick the number of sheets at different levels；I-relative value of series；N-investigation total number of sheets.
Prevention effect is calculated by formula (2)：
In formula：P-prevention effect, unit are percentage (%)；CK-blank control disease index；PT-chemicals treatment disease
Feelings index.
Regression analysis is made according to each drug concentration logarithm value and corresponding preventive effect niqueMin, calculate each medicament EC50,
EC90 equivalences and its 95% confidence limit.When carrying out drug combination toxicity test, co-toxicity coefficient is obtained according to the abundant methods of Sun Yun.
The co-toxicity of mixture preparation is represented using Sun Yunpei co-toxicity coefficient method：
Theoretical toxicity index TTI=Σ (pharmaceutically active ingredients of the toxicity index ATI of certain medicine × in mixture of mixture preparation
Percentage).
CTC is synergistic effect when being more than 120, is antagonism during less than 80, is addition during 80-120.
Toxicity test result of the different ratio of table 1 to wheat powdery mildew
Above-mentioned data determination result is analyzed to show, when pyraclostrobin compounds with ZEN 90160 different proportion, all compoundings
The co-toxicity coefficient of formula is all higher than 120 respectively, all with obvious synergistic effect.Illustrate after two kinds of active ingredients are compounded, energy
Enough there is good synergistic effect.Wherein the co-toxicity coefficient of proportioning five is even more to have reached 176.27, for highest in all proportionings.
Formulation examples are as follows：
Example one：51% pyraclostrobin chlorfenapyr suspending agent
Example two：46.5% pyraclostrobin water dispersible granule
Example three：22% pyraclostrobin chlorfenapyr suspending agent
Example four：18% pyraclostrobin water dispersible granule
Example five：30% pyraclostrobin chlorfenapyr suspending agent
Example six：24% pyraclostrobin water dispersible granule
Example seven：11% pyraclostrobin chlorfenapyr suspending agent
Example eight：31% pyraclostrobin water dispersible granule
Example nine：25.5% pyraclostrobin chlorfenapyr suspending agent
According to above-mentioned nine examples, 30% pyraclostrobin chlorfenapyr suspending agent and other compounded formulas are carried out
The experiment of field control wheat powdery mildew, at the same by with 15% pyraclostrobin suspending agent, 250g/L chlorfenapyr suspending agents
Contrast on effect, checking compounding after synergistic effect.Test site is Zhoukou City of Henan Province Huaiyang County, and the time is in March, 2014
20 days and March 27, dispenser twice, experiment totally four processing, each handled three repetitions, it is fixed 6 clumps often to repeat, and cell is random altogether
Arrangement, plot area 15m2, the planting habit of all cells is identical with the planting habit of locality, on the day of record dispenser and thereafter
The synoptic data of one week, it is specific as follows：
Meteorological data during table 2 is tested
Investigation standard is：First investigated before non-dispenser 1 time, then investigated 1 time every 7 days after each dispenser, often repeat to adjust at random
Look into 40 plants of wheats (looking into 3 adjacent 3 leaves in tiller top).According to《Pesticide field efficacy medicine test standard》Middle relevant criterion is remembered
Carry.Experimental data uses the new multipole difference detection method (DMRT) of Duncan formula.
Prevention effect of the different disposal of table 3 to wheat powdery mildew
Show from the result of the test of table 3, implement medicament after dispenser to the prevention effect of wheat powdery mildew apparently higher than contrast medicine
Agent, after secondary dispenser 7 days, implement between medicament stills remain in 70-85% to the prevention effect of powdery mildew, wherein example five
Preventive effect is up to 82.91%.This shows that pyraclostrobin and ZEN 90160 composite bactericide have preferable synergistic effect, and
Efficiency time is considerably longer than single medicament.Experiment shows that the complex composition substantially reduces medicament usage amount, reduces and is produced into
Originally, residues of pesticides and environmental pollution.In addition, experiment during field observation, embodiment medicament respectively handle decoction to plant growth without
Influence, to the safety of beneficial organism around, being compatible with the environment property is good.As can be seen here, pyraclostrobin and ZEN 90160 are a reasons
Think compound sterilizing product.
Claims (6)
- A kind of 1. bactericidal composition, it is characterised in that active ingredient is pyraclostrobin and ZEN 90160, formulation be suspending agent, The weight ratio of water dispersible granules, active ingredient pyraclostrobin and ZEN 90160 is 1：20~1, and the active ingredient pyrazoles ether Bacterium ester is 18%~80% with the weight percentage of ZEN 90160 in the composition.
- 2. bactericidal composition according to claim 1, it is characterised in that also include carrier in the bactericidal composition and help Agent.
- 3. bactericidal composition according to claim 2, it is characterised in that one kind in water, filler of the carrier or It is a variety of.
- 4. bactericidal composition according to claim 2, it is characterised in that the auxiliary agent includes surfactant, the table One or more of the face activating agent in emulsifying agent, dispersant, wetting agent or bleeding agent.
- 5. bactericidal composition according to claim 4, it is characterised in that the auxiliary agent also includes other functional aids, Other described functional aids are one or more in antifreezing agent, thickener, stabilizer, disintegrant or defoamer.
- A kind of 6. application of the bactericidal composition any one of Claims 1 to 5 on preventing and treating wheat powdery mildew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511028686.6A CN105409992B (en) | 2015-12-31 | 2015-12-31 | A kind of bactericidal composition and its application |
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| CN201511028686.6A CN105409992B (en) | 2015-12-31 | 2015-12-31 | A kind of bactericidal composition and its application |
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| CN105409992A CN105409992A (en) | 2016-03-23 |
| CN105409992B true CN105409992B (en) | 2017-12-01 |
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| CN107549187A (en) * | 2016-06-30 | 2018-01-09 | 浙江中山化工集团股份有限公司 | A kind of bactericidal composition and its application |
| CN108651497A (en) * | 2018-06-21 | 2018-10-16 | 浙江新农化工股份有限公司 | Pyraclostrobin-containing and alkene oxime amine bactericidal composition and application thereof and agriculture chemicals fungicide |
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| PL2434879T3 (en) * | 2009-05-25 | 2014-09-30 | Sumitomo Chemical Co | Composition and method for controlling plant diseases |
| CN103355343A (en) * | 2013-07-26 | 2013-10-23 | 海南正业中农高科股份有限公司 | Agricultural composition containing sulphur |
| CN103651368A (en) * | 2013-12-13 | 2014-03-26 | 广西田园生化股份有限公司 | Ultra-low-volume liquid containing picoxystrobin and preparation method of ultra-low-volume liquid |
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Effective date of registration: 20210623 Address after: 266700 Yunshan Town, Pingdu City, Qingdao City, Shandong Province Patentee after: QINGDAO DONGSHENG PHARMACEUTICAL Co.,Ltd. Address before: No. 210, Shenzhen South Road, Laixi City, Qingdao City, Shandong Province 266600 Patentee before: QINGDAO HANSEN BIOLOGIC SCIENCE Co.,Ltd. |