CN102835396A - Sterilization composition, pesticide and application - Google Patents
Sterilization composition, pesticide and application Download PDFInfo
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- CN102835396A CN102835396A CN2012103738441A CN201210373844A CN102835396A CN 102835396 A CN102835396 A CN 102835396A CN 2012103738441 A CN2012103738441 A CN 2012103738441A CN 201210373844 A CN201210373844 A CN 201210373844A CN 102835396 A CN102835396 A CN 102835396A
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Abstract
The invention discloses a sterilization composition, a sterilization pesticide and the application of the sterilization composition or the sterilization pesticide. The sterilization composition consists of kasugamycin and cuppric nonyl phenolsulfonate, and the weight ratio of the kasugamycin to the cuppric nonyl phenolsulfonate is 1:40 to 40:1, preferably 1:20 to 20:1. The composition serving as an active ingredient and acceptable auxiliary components in the pesticide form the sterilization pesticide in form of microemulsion, wettable powder and the like. When the sterilization composition or the sterilization pesticide is applied to the prevention and control of cucumber bacterial angular leaf spots, rice bacterial leaf blight and tobacco wildfire, a remarkable synergistic effect can be achieved, the application amount of each single dosage can be effectively reduced, a lasting period can be prolonged, and the generation of pesticide resistance of pathogenic microorganisms can be retarded; and the sterilization composition, the sterilization pesticide and the application have remarkable popularization value.
Description
Technical field
The present invention relates to a kind of agricultural bactericidal composition, the bactericidal composition of particularly forming, and corresponding sterilization pesticide and the application aspect the control corps diseases thereof by kasugarnycin and nonylphenolsulfonate copper.
Background technology
Cucumber bacterial angular leaf spot is one of important disease on the cucumber.Generation is mixed in the field of being everlasting with cucumber downy mildew; Scab is more approaching, obscure easily sometimes, but the cucumber downy mildew their early stage produces the water stain shape scab of several polygonals at vacuum side of blade; And bacterial angular leaf spot produces the water stain shape scab of needle-like at vacuum side of blade, and often tens scabs take place simultaneously.Control medicine commonly used is a streptomycin sulphate, but because long-term the use, pathogen has produced serious pesticide resistance, causes the lasting period of medicine to shorten, and formulation rate increases, and control efficiency reduces.
Bacterial blight of rice is caused by bacterium, and pathogen is rice Xanthomonas (Xanthomonasoryzae).Primary source of infection mainly is disease grass and sick paddy, and bacterium propagates into the rice seedling bed through current, causes the rice shoot morbidity.Reveal any symptoms not often after early rice sprouts infects becomes the seedling that carries disease germs.But late rice is at three or four leaf phases reveal any symptoms just.The nursery period waterflooding, the seeding stage waterflooding, the infected chance of rice shoot increases, and the drowned number of times of waterflooding is many more, and the time is long more, and the rice shoot bacterial bearing rate is high more.When the shoot transplanting equipment that carries disease germs seedling or shown symptom behind the land for growing field crops, when late tillering state rice strain premunition is fallen, begin morbidity, promptly become primary infection focus.Again at a large amount of bacterial ooze of sick portion's generation of diseased plant, borrow and pour water and the storm propagation afterwards, constantly infect again, disease is constantly expanded in the field.Medicament commonly used has Kocide SD, cuprous oxide, phenazine oxide etc.Because of using all the year round, pathogen has also produced serious pesticide resistance equally, causes the lasting period of medicine to shorten, and formulation rate increases, and control efficiency reduces.
The wildfire blade of mainly causing harm also can be encroached on flower, capsule and seed.In rainy humidity, under the intensive situation of seedling, disease spreads rapidly, often causes that seedling rots in flakes, and lodging is dead, as being burned shape by prairie fire.When high humidity situation, particularly temperature reach 29～30 ℃, susceptible disease.Preventing and treating this disease should set about from stopping bacterium source and seedbed cleaning, in conjunction with cultivation step, impels the healthy and strong growth of tobacco.Medicament commonly used has bordeaux mixture, agricultural streptomycin etc. also because of using all the year round, and formulation rate constantly increases, and control efficiency is but more and more lower.
Summary of the invention
To above situation; The present invention at first provides a kind of bactericidal composition; And further to provide with this bactericidal composition be the sterilization pesticide of active ingredient, and the application aspect control cucumber bacterial angular leaf spot, bacterial blight of rice, wildfire, with the control efficiency of effective raising to disease; Reduce the control cost, and suspension of pesticide resistance generation.
Bactericidal composition of the present invention is to be 1 by kasugarnycin and nonylphenolsulfonate copper with part by weight
:40 ~ 40
:1 forms.Wherein, the further preferred weight ratio of kasugarnycin and nonylphenolsulfonate copper is 1
:20 ~ 20
:1.
The structure of kasugarnycin is a kind of agricultural antimicrobial compound suc as formula shown in (I), aspect the control rice blast significant effect is being arranged.It can interiorly inhale running on rice plant, have prevention concurrently and treat two kinds of effects.Kasugarnycin all can be used at rice seedling and fringe phase, and dosage is low, efficacy stability.Carry out in the test of control in field rice blast, 40/1000000ths kasugarnycin control efficiency reaches 70 ~ 85%, can make increasing production of rice more than 20%, and kasugarnycin is to people, animal and the equal nonhazardous of crops, produces and safe in utilization.Because use, agent has produced pesticide resistance to pathogen to the kasugarnycin list throughout the year, its lasting period is shortened, formulation rate increases, and control efficiency reduces.
The structure of nonylphenolsulfonate copper is suc as formula shown in (II); Belong to phenyl ring class organic copper bactericide; It is through two active group sterilizations in the structure: one is the nonyl phenol group of efficient therapeutic agent in can be used as plant corpus; Another is to have not only antifungal but also the copper ion of bacterial action is extremely arranged, can with the cation (H on the pathogen surface of cell membrane
+, K
+Deng) exchange, making the protein coagulating kill pathogens on the germ cell membrane, the part copper ion can also penetrate in the pathogen cell, combines with some enzyme and influences the activity of pathogen.Because large usage quantity when the agent of nonylphenolsulfonate copper list is used in the field is easy to generate poisoning, therefore crop there is certain security risks.
Result of the test shows that kasugarnycin cooperatively interacts through different mechanism of action and mode with nonylphenolsulfonate copper, can produce remarkable role in synergy; The ability suspension of pesticide resistance generation reduces dosage, reduces cost; And enlarged the scope of application of medicine; Particularly in the control that is used for comprising diseases such as control cucumber bacterial angular leaf spot, bacterial blight of rice, wildfire, effect obviously is superior to single agent of two drug ingedients, has tangible promotional value.
With above-mentioned bactericidal composition as the effective active composition; With acceptable auxiliary element in the agricultural chemicals; For example can comprise insecticides adjuvant commonly used and like excipient such as dispersant, diffusant, antifoaming agent, wetting agent, disintegrants; According to the conventional preparation method of present agricultural chemicals, promptly become the different corresponding pesticidal preparations that can satisfy different use needs or environment condition.Wherein, the preferred formulations of pesticide are microemulsion and wetting powder.
Microemulsion (ME) is that water-fast original liquid body or former medicine are dissolved in the liquid preparation that the liquid dispersion of organic solvent gained forms in water.Radius with respect to its emulsion droplet of aqueous emulsion is much smaller, and generally between the 0.01-0.1 micron, outward appearance shows as transparent or semitransparent uniform liquid.During preparation, can comprise the auxiliary element of solvent, emulsifier, stabilizing agent, antifreeze, pH regulator agent, water etc., make through stirring or high-shear emulsifying by above-mentioned said active drug composition.Arenes such as the toluene that organic solvent wherein can be selected to use always, xylol, trimethylbenzene, ketones such as cyclohexanone, acetone, isophorone, alcohols such as methyl alcohol, isopropyl alcohol, one or more in the ester class equal solvents such as ethyl acetate; Emulsifier can be selected one or more in alkylbenzenesulfonate, alkyl sulfate, styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, alkylamine salt, phenethyl phenol polyethenoxy ether, phenethyl phenol polyethenoxy ether polyethenoxy ether, NPE, APES formaldehyde condensation products, xenol APEO, polyoxyethylene fatty acid ester, the alkyl polyoxyethylene sulfate salt etc.; Stabilizing agent can be one or more in pH buffer solution, 3-chloro-1,2 epoxy prapane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sodium sorbate etc.; Antifreeze can be selected like above-mentioned sodium chloride, urea, ammonium sulfate, ethylene glycol, 1, one or more in the polyalcohols such as 2-propane diols; Water is then selected according to stability of formulation, generally screens with deionized water, distilled water or soft water.
Wetting powder (WP).The said preparation medicine is can homodisperse solid powder preparation in water.When wetting powder prepares,, ion-type or nonionic surface active agent (wetting agent, dispersant) can be arranged also except in said active drug composition (former medicine), adding as thinner such as white carbon, precipitated calcium carbonate, potter's clay, diatomite, attapulgite or the inert substance; Wetting agent for example, alkylbenzenesulfonate (DBS-Na), alkylnaphthalene sulfonate (drawing back powder); Alkylphenol-polyethenoxy base ether sulfate; Alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, aliphatic alcohol sulfate, fatty alcohol ethylene oxide adduct sulfonate; The alkyl amide taurate; Aliphatic alcohol polyethenoxy base ether (JFC), content are 0.1%～30% (wt, below all herewith); Dispersant such as naphthalene sulfonate; Naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF); Lignin and derivative sulfonate thereof (M-9, POLYFON etc.); The polyoxyethylene poly-oxygen propylene aether block copolymer, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate (SOPA), PVA, CMC content 0.1%-30%; Also contain one or more materials among penetrating agent JFC, azone, thiophene ketone, the penetrant t, content is 0.3%-30%; Can also use other auxiliary agents such as stabilizing agent, foam inhibitor, anticaking agent by usual manner.
Below again foregoing of the present invention is done further to specify through the embodiment of embodiment.But should this be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following instance.Do not breaking away under the above-mentioned technological thought situation of the present invention, various replacements or change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.
Embodiment
Embodiment 1
Form (wt%, below all herewith): kasugarnycin 0.5,
Nonylphenolsulfonate copper 20,
Isopropyl alcohol 8,
Cyclohexanone 15,
Neopelex 6,
Phenethyl phenol polyethenoxy ether 12,
Ethylene glycol 6,
The water complementary.
The concrete production stage of this microemulsion is: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone and isopropyl alcohol, cyclohexanone, surfactant mixed dissolution are mixed with oil phase; Kasugarnycin and ethylene glycol, water mixed dissolution are mixed with water; Pour oil phase into water and stir, promptly can be made into micro-emulsion insecticide of the present invention.
Embodiment 2
Form: kasugarnycin 40,
Nonylphenolsulfonate copper 1,
Sulfomethylated lignin acid amide 6,
Lauryl sodium sulfate 4,
White carbon 5,
The kaolin complementary.
The concrete production stage of this wetting powder is: by above-mentioned prescription with active ingredient kasugarnycin, the ninth of the ten Heavenly Stems bacterium ketone and auxiliary agent, filler mix, again through comminution by gas stream, mix after the mechanical disintegration, promptly can be made into Wettable pesticide powder of the present invention.
Embodiment 3
Form: kasugarnycin 1,
Nonylphenolsulfonate copper 20,
N-butanol 10,
Cyclohexanone 15,
Dodecyl benzene sulfonate 8,
NPE 12,
1,2-propane diols 6,
The water complementary.
The concrete production stage of this microemulsion is: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone and n-butanol, cyclohexanone, surfactant mixed dissolution are mixed with oil phase; Kasugarnycin and 1; 2-propane diols, water mixed dissolution are mixed with water; Pour oil phase into water and stir, promptly can be made into micro-emulsion insecticide of the present invention.
Embodiment 4
Form: kasugarnycin 20,
Nonylphenolsulfonate copper 1,
Dodecyl sodium sulfate 4,
Lauryl sodium sulfate 4,
White carbon 6,
The fine particle calcium carbonate complementary.
The concrete production stage of this wetting powder is: by above-mentioned prescription with active ingredient kasugarnycin, the ninth of the ten Heavenly Stems bacterium ketone and auxiliary agent, filler mix, again through comminution by gas stream, mix after the mechanical disintegration, promptly can be made into Wettable pesticide powder of the present invention.
Embodiment 5
Form: kasugarnycin 2,
Nonylphenolsulfonate copper 20,
N-butanol 10,
Cyclohexanone 15,
Dodecyl benzene sulfonate 8,
NPE 12,
1,2-propane diols 6,
The water complementary.
The concrete production stage of this microemulsion is: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone and n-butanol, cyclohexanone, surfactant mixed dissolution are mixed with oil phase; Kasugarnycin and 1; 2-propane diols, water mixed dissolution are mixed with water; Pour oil phase into water and stir, promptly can be made into micro-emulsion insecticide of the present invention.
Embodiment 6
Form: kasugarnycin 10,
Nonylphenolsulfonate copper 1,
Lignin 6,
Naphthalene sulfonate 5,
White carbon 3,
The kaolin complementary.
The concrete production stage of this wetting powder is: by above-mentioned prescription with active ingredient kasugarnycin, the ninth of the ten Heavenly Stems bacterium ketone and auxiliary agent, filler mix, again through comminution by gas stream, mix after the mechanical disintegration, promptly can be made into Wettable pesticide powder of the present invention.
Embodiment 7
Form: kasugarnycin 10,
Nonylphenolsulfonate copper 10,
Dodecyl Sodium Benzoate 5,
Lauryl sodium sulfate 6,
White carbon 10,
The kaolin complementary.
The concrete production stage of this wetting powder is: by above-mentioned prescription with active ingredient kasugarnycin, the ninth of the ten Heavenly Stems bacterium ketone and auxiliary agent, filler mix, again through comminution by gas stream, mix after the mechanical disintegration, promptly can be made into Wettable pesticide powder of the present invention.
Following experimental result can show the synergistic function that above-mentioned bactericidal composition and the corresponding agricultural chemicals of the present invention had.
One, Toxicity Determination test:
Supply the examination pathogen: the cucumber bacterial angular leaf spot germ.
Test method: adopt Oxford cup inhibition zone method, each handles repetition 4 times, measures antibacterial circle diameter behind the 2d, calculates EC
50Co-toxicity coefficient, result of the test see the following form 1.The co-toxicity coefficient of structure (CTC)>=120 expression has synergistic effect in the table; 80＜CTC＜120 are expressed as summation action; CTC≤80 expressions have antagonism.
The Toxicity Determination of table 1 pair cucumber bacterial angular leaf spot
| Supply the reagent agent | EC 50 | Regression equation | CTC |
| Kasugarnycin (A) | 5.3365 | Y=4.4011+0.8236x | — |
| Nonylphenolsulfonate copper (B) | 0.5831 | Y=5.1669+0.7123x | — |
| (A :B) 40:1 | 1.1941 | Y=4.9444+0.7212x | 256.69 |
| 20:1 | 1.3722 | Y=4.9041+0.6981x | 280.19 |
| 10:1 | 1.5134 | Y=4.8636+0.7579x | 294.11 |
| 1:1 | 0.2629 | Y=5.4579+0.7891x | 399.96 |
| 1:10 | 0.2073 | Y=5.4803+0.7029x | 306.02 |
| 1:20 | 0.2366 | Y=5.4257+0.6800x | 257.41 |
| 1:40 | 0.2651 | Y=5.4690+0.8133x | 224.88 |
The Toxicity Determination result of table 1 shows, the composite synergistic effect that afterwards cucumber bacterial angular leaf spot is had highly significant of kasugarnycin and nonylphenolsulfonate copper, and what obviously be superior to kasugarnycin and nonylphenolsulfonate copper two compositions singly uses effect.
Two, field trial
1. prevent and treat the test of bacterial blight of rice
Test is handled: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This test medicine consumption is established three concentration of treatment respectively according to the difference of each composition, and the contrast medicament is respectively 2% kasugarnycin WP and 30% nonylphenolsulfonate copper and the test of blank clear water.
Test method: each sub-district area is 50 m
2, repeating 4 times, the inspection drug effect method before the dispenser after investigation and the control is: every sub-district diagonal is got a little, and every is extracted 10 strains investigation, and result of the test sees the following form 2:
The result of table 2 shows that agricultural chemicals of the present invention has good control efficiency to bacterial blight of rice, and control efficiency is better than wherein single agent kind of active ingredient.
2. prevent and treat the test of wildfire
Test method: each sub-district area is 50 m
2, repeating 4 times, the inspection drug effect method before the dispenser after investigation and the control is: every sub-district diagonal is got a little, and every is extracted the investigation of 5 fixed point complete stools, and the percentage that accounts for whole points for investigation with every lesion area comes classification, and result of the test sees the following form 3:
The result of table 3 shows that agricultural chemicals of the present invention has good control efficiency to wildfire, and control efficiency is better than wherein single agent kind of active ingredient.
Claims (5)
1. bactericidal composition, its characteristic is 1 by kasugarnycin and nonylphenolsulfonate copper with part by weight
:40 ~ 40
:1 forms.
2. bactericidal composition as claimed in claim 1, the part by weight that it is characterized in that kasugarnycin and nonylphenolsulfonate copper is 1
:20 ~ 20
:1.
3. sterilization pesticide is characterized in that the composition with claim 1 or 2 is an active ingredient, forms jointly with acceptable auxiliary element in the agricultural chemicals.
4. sterilization pesticide as claimed in claim 3 is characterized in that the agricultural chemicals for microemulsion, wetting powder form.
5. bactericidal composition of one of claim 1 to 4 or the sterilization pesticide application in control cucumber bacterial angular leaf spot, bacterial blight of rice, wildfire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103738441A CN102835396A (en) | 2012-10-03 | 2012-10-03 | Sterilization composition, pesticide and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103738441A CN102835396A (en) | 2012-10-03 | 2012-10-03 | Sterilization composition, pesticide and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102835396A true CN102835396A (en) | 2012-12-26 |
Family
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|---|---|---|---|
| CN2012103738441A Pending CN102835396A (en) | 2012-10-03 | 2012-10-03 | Sterilization composition, pesticide and application |
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|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392740A (en) * | 2013-07-26 | 2013-11-20 | 海南正业中农高科股份有限公司 | Kasugamycin-containing sterilization composition and application thereof |
| CN104542601A (en) * | 2013-10-11 | 2015-04-29 | 兴农药业（中国）有限公司 | Pesticide composition containing copper quinolate and kasugamycin and application of pesticide composition |
| CN106008473A (en) * | 2016-05-20 | 2016-10-12 | 许庭庭 | Compound resistant to bacterial angular leaf spot of tobacco and composition prepared from same |
| CN110432271A (en) * | 2019-07-30 | 2019-11-12 | 湖南省烟草公司长沙市公司 | A kind of medicament and preparation method thereof for preventing and treating wildfire |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5198322A (en) * | 1975-02-24 | 1976-08-30 | ||
| JPS5212925A (en) * | 1975-07-19 | 1977-01-31 | Microbial Chem Res Found | A plant disease controlling agent |
-
2012
- 2012-10-03 CN CN2012103738441A patent/CN102835396A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5198322A (en) * | 1975-02-24 | 1976-08-30 | ||
| JPS5212925A (en) * | 1975-07-19 | 1977-01-31 | Microbial Chem Res Found | A plant disease controlling agent |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392740A (en) * | 2013-07-26 | 2013-11-20 | 海南正业中农高科股份有限公司 | Kasugamycin-containing sterilization composition and application thereof |
| CN103392740B (en) * | 2013-07-26 | 2014-10-29 | 海南正业中农高科股份有限公司 | Kasugamycin-containing sterilization composition and application thereof |
| CN104222090A (en) * | 2013-07-26 | 2014-12-24 | 海南正业中农高科股份有限公司 | Bactericidal composition containing kasugamycin and oxine-copper, and application thereof |
| CN104222090B (en) * | 2013-07-26 | 2016-03-02 | 海南正业中农高科股份有限公司 | Bactericidal composition containing kasugarnycin and copper 8-hydroxyquinolinate and application |
| CN104542601A (en) * | 2013-10-11 | 2015-04-29 | 兴农药业（中国）有限公司 | Pesticide composition containing copper quinolate and kasugamycin and application of pesticide composition |
| CN106008473A (en) * | 2016-05-20 | 2016-10-12 | 许庭庭 | Compound resistant to bacterial angular leaf spot of tobacco and composition prepared from same |
| CN110432271A (en) * | 2019-07-30 | 2019-11-12 | 湖南省烟草公司长沙市公司 | A kind of medicament and preparation method thereof for preventing and treating wildfire |
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Application publication date: 20121226 |