CN102845433A - Sterilizing combination, pesticide and application - Google Patents
Sterilizing combination, pesticide and application Download PDFInfo
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- CN102845433A CN102845433A CN2012103738437A CN201210373843A CN102845433A CN 102845433 A CN102845433 A CN 102845433A CN 2012103738437 A CN2012103738437 A CN 2012103738437A CN 201210373843 A CN201210373843 A CN 201210373843A CN 102845433 A CN102845433 A CN 102845433A
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- pesticide
- powdery mildew
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Abstract
Provided are a sterilizing combination, a pesticide and application. The combination is composed of hexaconazole and cuppric nonyl phenolsulfonate which are at a weight proportion of (1:30)-(30:1), and (1:15)-(15:1) preferably. The combination serving as an active ingredient and auxiliary ingredients acceptable in pesticides can jointly form a sterilizing pesticide in the form of microemulsion, wettable powder and the like. In controlling diseases such as powdery mildew of cucumbers, powdery mildew of roses, powdery mildew of grapes, brown spot of grapes and leaf spot of celery, the sterilizing pesticide can have remarkable synergistic effect, can effectively reduce application amount of each single dose, prolongs an effect-lasting period, delays generation of pesticide resistance of pathogenic microorganisms, and has remarkable popularizing value.
Description
Technical field
The present invention relates to a kind of agricultural bactericidal composition, the bactericidal composition that is particularly formed by the pure and mild nonylphenolsulfonate copper of own azoles, and corresponding sterilization pesticide and the application aspect the control corps diseases thereof.
Background technology
Powdery mildew of cucumber is commonly called as " white defect ", and it is the heaviest to be injured with blade, secondly is petiole and stem, does not generally endanger fruit.Their early stage, face of blade or the back side produce the rotund little amyloid plaque of white, are expanded into gradually unconspicuous large stretch of white powder district, edge, are covered with the blade face, as having spread layer white powder.Erase white powder, visible blade face chlorisis, withered and yellow becoming fragile.After powdery mildew infects petiole and tender stem, similar on symptom and the blade, only scab is less, and powder is also few.Fall ill when serious, the blade face is covered with white powder, becomes canescence, until whole blade is withered.Medicine commonly used has kresoxim-methyl, propiconazole etc., but owing to use all the year round, crop has produced serious pesticide resistance, causes the medicine lasting period to shorten, and formulation rate increases, and control efficiency reduces.
Rose powdery mildew site of pathological change is leaf, the tender tip and flower, and significantly feature is that white powder appears in susceptible position.The season of growth, the little amyloid plaque of white appearred in susceptible blade, expanded as gradually circular or irregular white powder spot, and the white powder spot interconnects in flakes when serious.Lao Ye is more disease-resistant.White powder layer on petiole and skin, the thorn is very thick, and difficulty is peeled off.When bud was caught an illness, the surface was by full white powder, and flower is lopsided.Medicine commonly used has kresoxim-methyl, propiconazole etc., and also because using all the year round, crop has produced serious pesticide resistance, causes the medicine lasting period to shorten, and formulation rate increases, and control efficiency reduces.
The positions such as grape powdery mildew main harm blade, branch and fruit, the most responsive with tender tissue.Grape leaf stretching period face of blade produces irregular shape yellow or the chlorisis look little patch that differs in size, and as seen the scab positive and negative all has one deck white powder, and leaf surface is the brown piebald under the amyloid plaque, and full leaf is dried-up when serious; Form flakes or irregular foxiness below young sprout and carpopodium and the irregular canescence amyloid plaque of cob initial stage surface generation, later stage amyloid plaque, cob, carpopodium are become fragile, the branch growth retardation; The breen patch appears first in young fruit, and asterism shape decorative pattern appears in the fruit face, covers the white powder of one deck it on, and sick fruit stops growing, and sometimes becomes deformity, the acid of pulp flavor, and it is tangible susceptible when rainy to begin painted consequence, and split in sick place, rear rotten.Medicine commonly used has kresoxim-methyl, propiconazole etc.Same reason is used all the year round and has been made the serious pesticide resistance of having made deposits yields, causes the medicament lasting period to shorten, and formulation rate increases, and control efficiency reduces.
Celery leaf spot is infected by fungi Deuteromycotina celery tail spore bacterium Cercospora apii Fres. and causes.Primary source of infection is mainly seed or residual diseased plant.Germ survives the winter with mycelia and spore in the mycelia that is attached to the surface of the seed and adventicous species intracutaneous and residual diseased plant and the soil, when environmental condition is suitable, mycelium produces conidium, be transmitted on the host plant by air-flow, under the condition that water droplet exists, directly invade from Cuticle, cause primary infection.Sow in spite of illness seed, can catch an illness after emerging, and produce conidium of new generation at the position that is injured, borrow the air-flow wind and rain to propagate, repeatedly infect again, going round and beginning again continues up to autumn end, and harm progressively increases the weight of.Common drug has 50% carbendazol wettable powder, 50% thiophanate-methyl wetting powder etc.The result who uses all the year round equally also makes the serious pesticide resistance of having made deposits yields, causes the medicament lasting period to shorten, and formulation rate increases, and control efficiency reduces.
Summary of the invention
Given this, the present invention at first provides a kind of can address the above problem and have remarkable synergistic bactericidal composition, the present invention further also provides the sterilization pesticide take this bactericidal composition as active ingredient on this basis, and the application aspect crop disease control, with the control efficiency of Effective Raise to disease, reduce cost accounting, and delay drug-fast generation.
Bactericidal composition of the present invention is take part by weight as 1 by the pure and mild nonylphenolsulfonate copper of own azoles
:30 ~ 30
:1 forms.The further preferred weight ratio of the pure and mild nonylphenolsulfonate copper of own azoles is 1
:15 ~ 15
:1.
Own azoles alcohol belongs to azoles fungicide, and structure is a kind of sterol demethylation inhibitor as shown in the formula (I), and the disease that fungi especially Basidiomycota and Ascomycota are caused has protection and the therapeutic action of broad spectrum activity.Destroy and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, cause cell membrane not form, make germ dead.Have interior suction, protection and therapeutic activity.Can effectively prevent and treat disease due to sac fungi, basidiomycetes and the imperfect fungus, the disease that especially Basidiomycetes and Ascomycetes is caused such as powdery mildew, rust, scab, brown spot, anthracnose etc. have excellent protection and eradicant action.Because various crop produces serious pesticide resistance to own azoles alcohol single dose, thereby causes the medicament lasting period to shorten, formulation rate increases, and control efficiency reduces.
Nonylphenolsulfonate copper belongs to phenyl ring class organic copper bactericide, structure is suc as formula shown in (II), it is by 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 extremely copper ion of bacterial action is arranged, can with the pathogen surface of cell membrane on cation (H
+, K
+Deng) exchange, causing the protein coagulating kill pathogens on the germ cell membrane, the part copper ion can also penetrate in the pathogen cell, is combined with some enzyme and affects the activity of pathogen.Because large usage quantity when the nonylphenolsulfonate copper single dose is used in the field produces poisoning easily, therefore crop there is certain security risks.
Testing the result shows, two kinds of compositions of the pure and mild nonylphenolsulfonate copper of own azoles are by the cooperation of different bactericidal mechanisms and the mode of action, can produce significant synergistic function, thereby effectively reduce the usage amount of each single dose, and delay the drug-fast generation of plant, prolong the lasting period, also help the expanding prevention range of application.Being used for powdery mildew of cucumber, rose powdery mildew, grape powdery mildew, brown spot of grape, in the control of celery leaf spot, has obvious promotional value.
With above-mentioned bactericidal composition as the effective active composition, with acceptable auxiliary element in the agricultural chemicals, such as comprising insecticides adjuvant commonly used and such as excipient such as dispersant, diffusant, defoamer, wetting agent, disintegrants, according to the conventional preparation method of present agricultural chemicals, namely become and to satisfy the different different corresponding pesticidal preparations that use needs or applying environment condition.Wherein, the preferred formulations of pesticide are microemulsion (ME).
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 be comprised by above-mentioned said active drug composition the auxiliary element of solvent, emulsifier, stabilizing agent, antifreeze, pH adjusting agent, water etc., make through stirring or high-shear emulsifying.The arenes such as the toluene that organic solvent wherein can be selected to commonly use, dimethylbenzene, trimethylbenzene, the ketones such as cyclohexanone, acetone, isophorone, the 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, polyoxyethylene nonylphenol ether, alkylphenol polyoxyethylene formaldehyde condensation products, xenol APEO, polyoxyethylene fatty acid ester, the alkyl polyoxyethylene sulfate salt etc.; Stabilizing agent can be pH buffer solution, 3-chloro-1, one or more in 2-expoxy propane, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, the sodium sorbate etc.; Antifreeze can be selected sodium chloride described above, urea, ammonium sulfate, ethylene glycol, one or more in the polyalcohols such as 1,2-PD; Water is then selected according to the stability of preparation, 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, except in said active drug composition (former medicine), adding such as white carbon, precipitated calcium carbonate, potter's clay, diatomite, outside the thinners such as attapulgite or the inert substance, ionic or nonionic surface active agent (wetting agent also can be arranged, dispersant), wetting agent for example, alkylbenzenesulfonate (DBS-Na), alkylnaphthalene sulfonate (pulling open 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 in the usual way other auxiliary agents such as stabilizing agent, foam inhibitor, anticaking agent.
Soluble liquid (Soluble Liguiol/concentrace, be called for short SL) is homogeneous, transparent liquid preparation, behind the dilute with water, forms true solution, that is to say that medicament also is to be dispersed in the medium by molecule or ionic condition.The processing technology of this soluble liquid is to take by weighing each component for subsequent use by formula rate, fully be dissolved in nonylphenolsulfonate copper and own azoles alcohol in the polar latent solvent again, add emulsifier again and antifreeze fully stirs, until form the liquid of homogeneous phase transparent, namely can be made into the soluble liquid of thing of the present invention.
Embodiment by the following examples is described in further detail foregoing of the present invention again.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following example.Do not breaking away from 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 herewith): own azoles alcohol 1,
Nonylphenolsulfonate copper 30,
Fatty alcohol-polyoxyethylene ether 10,
Styrylphenol polyoxyethylene ether 4.5,
Solvent naphtha 10
Cyclohexanone 15,
Ethanol 5,
The water complementary.
Preparation: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone and own azoles alcohol are mixed the transparent oil phase of formation with solvent, emulsifier, again toward wherein slowly adding water, stirring forms transparent microemulsion system, namely can be made into micro-emulsion insecticide of the present invention.
Embodiment 2
Form: own azoles alcohol 30,
Nonylphenolsulfonate copper 1,
Sulfonic acid ammonium salt 10,
APEO formaldehyde condensation products 4,
Cyclohexanone 15
Butanols 10,
The water complementary.
Preparation: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone and own azoles alcohol are mixed the transparent oil phase of formation with solvent, emulsifier, again toward wherein slowly adding water, stirring forms transparent microemulsion system, namely can be made into micro-emulsion insecticide of the present invention.
Embodiment 3
Form: own azoles alcohol 10,
Nonylphenolsulfonate copper 50,
Styrylphenol polyoxyethylene ether 5.5,
Sulfonic acid ammonium salt 1.5,
Cyclohexanone 5
Ethanol 15,
The water complementary.
Preparation: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone and own azoles alcohol are mixed the transparent oil phase of formation with solvent, emulsifier, water, toward wherein slowly adding water, stir again, namely can be made into soluble liquid agricultural chemicals of the present invention.
Embodiment 4
Form: own azoles alcohol 2,
Nonylphenolsulfonate copper 30,
Dodecane sulfonate formaldehyde condensation products 2.5,
Lauryl sulfate 4,
The white carbon complementary.
Preparation: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone, own azoles alcohol and auxiliary agent, filler are mixed, again through air-flow crushing, mix after the mechanical disintegration, namely can be made into Wettable pesticide powder of the present invention.
Embodiment 5
Form: own azoles alcohol 50,
Nonylphenolsulfonate copper 10,
Dodecyl naphthalenesulfonate formaldehyde condensation compound 4,
Sodium lignin sulfonate 2,
White carbon 5,
The kaolin complementary.
Preparation: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone, own azoles alcohol and auxiliary agent, filler are mixed, again through air-flow crushing, mix after the mechanical disintegration, namely can be made into Wettable pesticide powder of the present invention.
Embodiment 6
Form: own azoles alcohol 30,
Nonylphenolsulfonate copper 2,
Dodecane sulfonate 4
Sodium phosphate trimer 3
Lauryl sulfate 1
The white carbon complementary.
Preparation: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone, own azoles alcohol and auxiliary agent, filler are mixed, again through air-flow crushing, mix after the mechanical disintegration, namely can be made into Wettable pesticide powder of the present invention.
Embodiment 7
Form: own azoles alcohol 20,
Nonylphenolsulfonate copper 20,
Styrylphenol polyoxyethylene ether 5,
Polyoxyethylene nonylphenol ether 8,
Cyclohexanone 15,
Butanols 5,
The water complementary.
Preparation: by above-mentioned prescription active ingredient bacterium in ninth of the ten Heavenly Stems ketone and own azoles alcohol are mixed the transparent oil phase of formation with solvent, emulsifier, stir toward wherein slowly adding water again, namely can be made into soluble liquid agricultural chemicals of the present invention.
Following experimental result can show the synergistic function that the above-mentioned bactericidal composition of the present invention and corresponding agricultural chemicals have.
One, Toxicity Determination test:
For trying pathogen: the brown spot of grape germ.
Test method: adopt the colony growth performance rate method, each is processed and repeats 4 times, measures colony diameter behind the 48h, 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 brown spot of grape
| Reagent agent | EC 50 | Regression equation | CTC |
| Own azoles alcohol (A) | 0.2825 | Y=5.4386+0.7988x | — |
| Nonylphenolsulfonate copper (B) | 0.5778 | Y=5.2276+0.9551x | — |
| (A :B) 30:1 | 0.1151 | Y=6.2858+1.1562x | 249 |
| 15:1 | 0.1162 | Y=6.0869+1.1626x | 251 |
| 5:1 | 0.1207 | Y=6.0785+1.1746x | 255 |
| 1:1 | 0.1219 | Y=6.0770+1.1782x | 311 |
| 1:5 | 0.1899 | Y=5.9836+1.3633x | 259 |
| 1:15 | 0.2170 | Y=5.9431+1.4214x | 249 |
| 1:30 | 0.2258 | Y=5.9303+1.4396x | 247 |
The Toxicity Determination result of table 1 shows, the pure and mild nonylphenolsulfonate copper of own azoles is composite to have the synergistic effect of highly significant afterwards to brown spot of grape, obviously is better than the alone effect of pure and mild nonylphenolsulfonate copper two compositions of own azoles.
Two, field trial
1. prevent and treat the brown spot of grape test
Test is processed: 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 respectively three concentration for the treatment of according to the difference of each composition, and the contrast medicament is respectively 30% own azoles alcohol SC and 30% nonylphenolsulfonate copper and the test of blank clear water.
Test method: each residential quarter area is 50 m
2, repeating 4 times, the inspection drug effect method behind the front Investigation and Prevention of dispenser is: every residential quarter 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 brown spot of grape, and control efficiency is better than the wherein single dose kind of each active ingredient.
2. prevent and treat the powdery mildew of cucumber test
Test is processed: 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 respectively three concentration for the treatment of according to the difference of each composition, and the contrast medicament is respectively 30% own azoles alcohol SC and 30% nonylphenolsulfonate copper and the test of blank clear water.
Test method: each residential quarter area is 50 m
2, repeating 4 times, the inspection drug effect method behind the front Investigation and Prevention of dispenser is: every residential quarter 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 powdery mildew of cucumber, and control efficiency is better than the wherein single dose kind of each active ingredient.
3. prevent and treat the celery leaf spot test.
Test is processed: 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 respectively three concentration for the treatment of according to the difference of each composition, and the contrast medicament is respectively commercially available agricultural chemicals 30% own azoles alcohol SC and 30% nonylphenolsulfonate copper and the test of blank clear water.
Test method: each residential quarter area is 50 m
2, repeating 4 times, the inspection drug effect method behind the front Investigation and Prevention of dispenser is: diagonal sampling in every residential quarter whenever clicks 10 strains.Degree with the whole strain morbidity of every strain is come classification, and result of the test sees Table 4.
The result of table 4 shows that agricultural chemicals of the present invention has good control efficiency to celery leaf spot, and control efficiency is better than the wherein single dose kind of each active ingredient.
Claims (5)
1. bactericidal composition, its feature is comprised of take part by weight as 1:30 ~ 30:1 the pure and mild nonylphenolsulfonate copper of own azoles.
2. bactericidal composition as claimed in claim 1, the part by weight that it is characterized in that the pure and mild nonylphenolsulfonate copper of own azoles is 1:15 ~ 15:1.
3. sterilization pesticide is characterized in that composition take claim 1 or 2 as 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, soluble liquid, wetting powder form.
5. the bactericidal composition of one of claim 1 to 4 or sterilization pesticide are being prevented and treated powdery mildew of cucumber, rose powdery mildew, grape powdery mildew, brown spot of grape, the application in the celery leaf spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103738437A CN102845433A (en) | 2012-10-03 | 2012-10-03 | Sterilizing combination, pesticide and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103738437A CN102845433A (en) | 2012-10-03 | 2012-10-03 | Sterilizing combination, pesticide and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102845433A true CN102845433A (en) | 2013-01-02 |
Family
ID=47392730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103738437A Pending CN102845433A (en) | 2012-10-03 | 2012-10-03 | Sterilizing combination, pesticide and application |
Country Status (1)
| Country | Link |
|---|---|
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669112A (en) * | 2012-05-31 | 2012-09-19 | 利尔化学股份有限公司 | Bactericide composition, bactericide pesticide and application of bactericide composition and bactericide pesticide |
| CN102771480A (en) * | 2012-07-30 | 2012-11-14 | 陕西上格之路生物科学有限公司 | Bactericidal composition containing cuppric nonyl phenolsulfonate and triazole fungicide |
-
2012
- 2012-10-03 CN CN2012103738437A patent/CN102845433A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669112A (en) * | 2012-05-31 | 2012-09-19 | 利尔化学股份有限公司 | Bactericide composition, bactericide pesticide and application of bactericide composition and bactericide pesticide |
| CN102771480A (en) * | 2012-07-30 | 2012-11-14 | 陕西上格之路生物科学有限公司 | Bactericidal composition containing cuppric nonyl phenolsulfonate and triazole fungicide |
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Application publication date: 20130102 |