CN102379304B - Pyraclostrobin-containing ultralow-volume liquid preparation - Google Patents
Pyraclostrobin-containing ultralow-volume liquid preparation Download PDFInfo
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Abstract
The invention discloses a pyraclostrobin-containing ultralow-volume liquid preparation. The pyraclostrobin-containing ultralow-volume liquid preparation is characterized in that the pyraclostrobin-containing ultralow-volume liquid preparation comprises an active ingredient of pyraclostrobin, or a complex of pyraclostrobin and an active component II, or a complex of pyraclostrobin and any two substances of the active component II, and the balance auxiliary agents and solvents; the active component II is any one of prochloraz, prothioconazole, difenoconazole, epoxiconazole, tebuconazole, hexaconazole, isoprothiolane, thifluzamide, fenoxanil, dimethomorph and chlorothalonil. The pyraclostrobin-containing ultralow-volume liquid preparation can be utilized for preventing and treating rice blast, bakanae disease, banded sclerotial blight, wheat and barley fusarium head blight, smut and the like, has high work efficiency, a low use amount of preparation water, a long persistent period, a synergism effect and high safety, and can delay resistance.
Description
Technical field
The present invention relates to technical field of pesticide, particularly a kind of ultra low volume liquids of pyraclostrobin-containing.
Background technology
Along with China's land transformation contract system realizes, mode of agriculture is marched toward in the threshold of modern installations agricultural and the appropriate scale of agriculture by traditional planting type, and the generation of the control of farm, implant mass industry and explosive damage by disease and insect is had higher requirement to traditional Pest organism controlling mode.At present, domestic pesticide control generally adopts conventional spray-on process, the general spraying area that can only complete 3 ~ 5 mu single every day of the method, and operating efficiency is low, and labour intensity is large, and very difficult adaptation farm and implant mass area are to the control requirement of damage by disease and insect.Secondly pesticidal preparations needs to be watered in a large number, and for a lot of away from water source and drought and water-scarce area, conventional spraying cannot be carried out or can not reach desirable control efficiency.Meanwhile, the rise of agriculture as the foundation of the economy material price, added cost, has higher requirement to the lasting effect of agricultural chemicals and high efficiency.Single and the frequent use of highly effective pesticide kind, the resistance of biological target to medicament itself is grown with each passing day, and as classes such as rice blast, banded sclerotial blight, powdery mildew and downy mildew, there is explosive crop and forest-crop disease brings great threat to the food security of the mankind and ecotope.
Ultra low volume liquids be a kind of with high boiling oily solvent for pesticide activity component dispersion medium, add the special finish of one that suitable cosolvent and auxiliary agent are mixed with.During use, by ultra low volume sprayer, ultra low volume liquids is quantitatively atomized into the droplet of 30 ~ 100 μm of uniform particle sizes, and is diffused in field disperse, after contacting with crop or pest, stick to rapidly crop or pest surface, play good control efficiency.Simultaneously due to the oil-wet behavior of liquor own, can better coating active composition penetrate into organization internal, not easily rinsed out from crop surface by rainwater, be conducive to the performance of drug effect and extend the pharmacy effect time.
Pyraclostrobin, is pyraclostrobin again, Chinese: N-{2-[1-(4-chlorphenyl)-1H-pyrazole-3-yl oxygen methyl] phenyl } (N-methoxyl group) methyl carbamate, structural formula is:
Belong to methoxy acrylic bactericide.Its mechanism of action is the synthesis being stoped cell ATP by the electron transmission pinned between cytochrome b and C1, makes mitochondria can not produce and provide cell eubolism institute energy requirement to cause cell dead.It can control most of diseases such as Ascomycetes, Basidiomycetes, deuteromycetes, Oomycete; very strong inhibitory action is had to the growth of spore germination and leaf intramatrical mycelium; have in protectiveness, therapeutic and local and inhale and osmotically active, the lasting period is long, resistance of rainwater washing against.Be widely used in preventing and treating the disease on wheat, paddy rice, peanut, grape, vegetables, potato, banana, lemon, coffee, fruit tree, walnut, tea tree, tobacco, ornamental plants, lawn and other field crops.This compound not only toxicity is low, to non-target organism safety, and to user and environment all safety close friends, is classified as " Candidate Agents reducing risk " by U.S. EPA.
Prochloraz, chemical name: N-propyl group-N-[2-(2,4,6-Trichlorophenoxy) ethyl] imidazoles-1-formamide, for imidazoles is efficient, wide spectrum, low-toxicity bactericide.It works by suppressing the biosynthesis of sterol, has the multiple actions such as prevention, protection and treatment, has splendid preventive effect to the multiple diseases that sac fungi and imperfect fungus cause.Rice blast, bakanae disease, the banded sclerotial blight common to field crop, fruit tree leaves pinta, anthracnose, scab, leaf spot, the multiple diseases on melon beans rust, powdery mildew, turf and ornamental plants has treatment and eradicant action.
Prothioconazoles, chemical name: (RS)-2-[2-(1-chlorine cyclopropyl)-3-(2-chlorphenyl)-2-hydroxypropyl]-2,4-dihydro-1,2,4-triazole-3-thioketones, belongs to novel triazolinthione series bactericidal agent.Its active component is by the precursor of sterol in Antifungi---the demethylation effect on lanosterol or 2,4-methylene dihydro wool steroid 14.Have excellent interior suction, protection, treatment and eradicant action, the lasting period is long.To crop, not only there is good safety, preventing disease theraping effect is good, and volume increase obviously, compare the bactericidal activity of the promising more wide spectrum of triazole type biocide agent, good control efficiency is had to nearly all cereal diseases, as the banded sclerotial blight of paddy rice, corn and wheat, powdery mildew, fusarium wilt, leaf spot, rust, stalk break, net blotch and moire disease etc., the foliage diseases such as the soil-borne disease stalk break of oily Lay and peanut and gray mold, black spot, brown spot, balck shank and rust.Toxicity is low, and without teratogenesis, mutagenesis type, to embryo's avirulence, to human and environment safety.
Difenoconazole, chemical name: 1-{2-[4-(4-chlorobenzene oxygen)-2-chlorphenyl]-4-methyl isophthalic acid, 3-dioxin-pentane-2-ylmethyl }-1H-1,2,4-triazole (U.S. CA), for triazole type is efficient, wide spectrum, low-toxicity bactericide.By the biosynthesis of T suppression cell wall sterol, stop the growth of fungi, various fungus-caused disease is had to the effect of protection and treatment.Systemic activity is strong, fungicidal spectrum is wide, to Ascomycotina, Basidiomycotina and comprise Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball seat Pseudomonas, Phoma, Ramularia, Septoria, Venturia is interior imperfect fungus, powdery mildew and rest fungus have lasting protection and therapeutic activity, simultaneously to cercospora leaf spot of sugar beet, wheat glume blotch, leaf blight, rust and the mildew caused by various pathogens, apple scab, powdery mildew, grape powdery mildew, target, leaf spot of peanut, net blotchs etc. all have good preventive effect, and the multiple way property such as leaf surface treatment or seed treatment can be used for.
Epoxiconazole, chemical name: (2RS, 3RS)-1-[3-(2-chlorphenyl)-2,3-epoxy-2-(4-fluorophenyl) propyl group]-1H-1,2,4-triazole, belongs to one of triazole bactericidal agent of novelty.Its active component is by suppressing the synthesis of germ ergosterol, hinder the formation of germ cell wall, and also there is very high inhibition effect to the activity of fungal enzyme (14-dencthylase), compared with bactericide known at present, the generation of the more effective suppression disease fungus of energy.Epoxiconazole can also improve the chitinase activity of crop simultaneously, causes the contraction of fungi haustorium, suppresses germ to invade, and improves crop to the immunocompetence of disease.Epoxiconazole energy effectively preventing Cereal damping off, powdery mildew, eyeprint are sick, leaf spot, powdery mildew, rust on the crop such as banana, green onion garlic, celery, Kidney bean, melon, asparagus, peanut, beet, and the disease such as anthracnose, white rot on grape.
Tebuconazole, chemical name: (RS)-1-rubigan-4,4-dimethyl-3-(1H-1,2,4-triazol-1-yl methyl) penta-3-alcohol is triazole type high-efficiency broad-spectrum systemic fungicide.Mainly through suppressing the demethylation of sterol in disease fungus body, biomembranous formation is caused to be obstructed and to play bactericidal activity.Have protection, treatment and eradicant action, fungicidal spectrum is wide, activity is high, using dosage is low, the lasting period is long.Can conduct upwards, downwards in plant corpus by plant leaf blade and Root Absorption and be uniformly distributed rapidly after dispenser, not only there is bactericidal activity, also can promote plant growth, improve the immunocompetence of crop.Effectively can prevent and treat the multiple diseases such as the rust of cereal crop, powdery mildew, net blotch, root rot, head blight and smut.
Isoprothiolane, chemical name: 1,3-dithiolane-2-subunit Diisopropyl malonate.Belonging to efficient systemic fungicide, is the special effect agent of control rice blast.Have preventive and therapeutic action to rice blast, by each site absorption of paddy rice, and can be accumulated to leaf portion tissue, thus play drug effect, resistance of rainwater washing against also doublely can control plant hopper.
Thifluzamide, chemical name: 2, the bromo-2-methyl of 6-bis--4-trifluoromethoxy-4-Trifluoromethyl-1,3-thiazole-5-carbonyl acyl is for aniline, thifluzamide is succinate dehydrogenase inhibitor, containing high activity fluorine ion, it just not easily recovers once be combined with substrate or enzyme in biochemical pathway, has strong Uptake and translocation and long lasting effect.All there is activity to pathomycetes such as Rhizoctonia, Puccinia, Ustilago, Tilletia, corticium, nuclear cavity Pseudomonas, especially have special efficacy to the fungus-caused disease of Basidiomycetes such as banded sclerotial blight, damping off etc.
Fenoxanil, chemical name: N-(1-itrile group-1,2-dimethyl propyl)-2-(2,4-dichlorophenoxy) propionamide, belongs to acid amide fungicides.Be one, for preventing and treating the systemic fungicide of rice blast, there is novel mechanism of action, belong to melanin biosynthesis inhibitor (MBI), prevent and treat rice blast excellent on blade face with when using under water, and holding effect is remarkable.
Dimethomorph, chemical name: (E, Z)-4-[3-(4-chlorphenyl) 3-(3,4-Dimethoxyphenyl) acryloyl] morpholine, be single-mindedly kill Oomycete fungal bactericide, its action character is the formation destroying cell envelope, has effect to each stage of oomycetes history of life, particularly responsive at the formation stages of sporangiophore and egg spore, (< 0.25 μ g/ml) just produces inhibitory action to mycelia at much lower concentrations.Be widely used in all crops such as vegetables, melon and fruit, grape, lichee, have special efficacy to downy mildew, epidemic disease, and crop comprises the florescence and young fruit period is all safe in time of infertility.
Tpn, chemical name: daconil M (or chloro-1, the 3-benzene dicarbonitrile of 2,4,5,6-tetra-), is a kind of wide-spectrum bactericide, has protect prevention effect very well to various crop fungal disease.Can have an effect with the glyceraldehyde 3-phosphate dehydro-genase in fungal cell, for control as various crop fungal diseases such as paddy rice, wheat, cotton, potato, tomato, pimento, corn, peanut, mango, grape, strawberry, apple, pear tree, oranges and tangerines, lichee, longans.Particularly to rust, anthracnose, powdery mildew, downy mildew on fruit tree, vegetables, there is outstanding control efficiency.
Pyraclostrobin is the bactericide of the latest model methoxy acrylic of BASF AG's exploitation, the another methoxy acrylic wide-spectrum bactericide developed by substituted for the o-methyl-phenyl-in kresoxim-methyl molecular structure with N-rubigan pyrazolyl on kresoxim-methyl basis.Pyraclostrobin shows rice blast, banded sclerotial blight through field control effectiveness test result, powdery mildew of cucumber, downy mildew, and banana freckle, leaf spot and downy mildew of garpe, anthracnose, powdery mildew etc. have special efficacy.
At present, pyraclostrobin has missible oil and water dispersible granules two kinds of formulations on the market, patent publication No. CN101683076A water emulsion pesticide disclosing pyraclostrobin-containing and preparation method thereof, and its active component is pyraclostrobin, and formulation is aqueous emulsion.This invention can save solvent, and environmental pollution is little.But the ultra low volume liquids of pyraclostrobin, there is not been reported both at home and abroad.
Secondly, Prochloraz, prothioconazoles, Difenoconazole, epoxiconazole, Tebuconazole, Isoprothiolane, thifluzamide, fenoxanil, dimethomorph and tpn have single dose and the multiple formulations of built agent such as missible oil, aqueous emulsion, microemulsion, wetting powder, finish, thermal fog and fumicants common on the market, patent publication No. CN101524082A discloses pyraclostrobin and Prochloraz Recompounded pesticide, its active component is pyraclostrobin and Prochloraz, and formulation is missible oil, microemulsion, suspension emulsion, wetting powder, water dispersible granules.This invention control efficiency is higher, and the lasting period is longer, can also reduce consumption, delays drug-fast generation, reduces the pollution to environment.But the ultra low volume liquids composite with pyraclostrobin, also there is not been reported both at home and abroad.
Summary of the invention
The object of the invention is the deficiency proposed for said method, provide that a kind of work efficiency is high, preparation water consumption is few, the lasting period is long, can delaying drug resistance, Synergistic and the ultra low volume liquids of the high pyraclostrobin-containing of safety.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The ultra low volume liquids of pyraclostrobin-containing, it is with pyraclostrobin, or pyraclostrobin and active component II are active component, or pyraclostrobin and the composite of any two kinds of materials of active component II are active component, and all the other used additives and solvent complement to the ultra low volume liquids of 100%; Described active component II is any one in Prochloraz, prothioconazoles, Difenoconazole, epoxiconazole, Tebuconazole, own azoles alcohol, Isoprothiolane, thifluzamide, fenoxanil, dimethomorph and tpn.
The ultra low volume liquids of described pyraclostrobin-containing, take pyraclostrobin as active component, its weight content is 0.1% ~ 30%, and the weight content of auxiliary agent is 1% ~ 15%, and solvent complements to 100%; The weight content 2% ~ 8% of preferred pyraclostrobin;
The ultra low volume liquids of described pyraclostrobin-containing, with pyraclostrobin and active component II composite for active component, the weight content of pyraclostrobin is 0.5% ~ 20%, the weight content of active component II is 1% ~ 25%, the weight content of auxiliary agent is 1% ~ 15%, and solvent complements to 100%, the weight content of preferred pyraclostrobin is 1% ~ 7%, the weight content 3% ~ 10% of preferred Prochloraz, the weight content 2% ~ 12% of preferred prothioconazoles, the weight content 3% ~ 20% of preferred Difenoconazole, the weight content 2% ~ 16% of preferred epoxiconazole, the weight content 4% ~ 10% of preferred Tebuconazole, the weight content 4% ~ 10% of preferred own azoles alcohol, the weight content 4% ~ 20% of preferred Isoprothiolane, the weight content 2% ~ 15% of preferred thifluzamide, the weight content 3% ~ 15% of preferred fenoxanil, the weight content 5% ~ 20% of preferred dimethomorph, the weight content 5% ~ 10% of preferred tpn, the weight content of auxiliary agent is 1% ~ 15%, solvent complements to 100%,
The ultra low volume liquids of described pyraclostrobin-containing, composite for active component with pyraclostrobin and any two kinds of materials of active component II, the weight content of pyraclostrobin is 0.5% ~ 10%, the weight content of any two kinds of materials of described active component II is 1% ~ 15%, the weight content of auxiliary agent is 1% ~ 15%, and solvent complements to 100%.
Described solvent is one or more combinations in aromatic hydrocarbon solvent, plant oil solvent and polar solvent;
(1) aromatic hydrocarbon solvent be applicable to comprises trimethylbenzene, o-dichlorohenzene, more than C10 heavy aromatics; More than C10 heavy aromatics is durene, diethylbenzene, methyl-propyl benzene, butylbenzene, methyl naphthalene, two wires oil;
(2) the plant oil solvent be applicable to comprises soybean oil, cottonseed oil, rapeseed oil, castor oil, turpentine oil, esterified vegetable oil; Esterified vegetable oil is methyl oleate, ethyl oleate;
(3) the polar solvent solvent be applicable to comprises acetophenone, phenmethylol, methyl-sulfoxide, 1-METHYLPYRROLIDONE, DMF, DMA, more than C6 alcohols; More than C6 alcohols is n-hexyl alcohol, n-octyl alcohol, terpineol.
Preferred boiling point higher than 160 DEG C, flash-point is higher than the solvent of 60 DEG C.
Described auxiliary agent comprises surfactant, synergist, bleeding agent, be mainly used to improve preparation to the adhesiveness of crop and target, wetability and permeability, enhancing crop and target are to the absorption of medicament, reduce the volatility of solvent, improve the stability of preparation, reduce the viscosity of preparation, thus play the effect improving drug effect.
Surfactant is selected from fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, alkylaryl polyoxyethylene polyoxypropylene ether phosphate, castor oil polyoxyethylene ether, one or more combination in calcium dodecyl benzene sulfonate, preferred fat alcohol APEO, alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, castor oil polyoxyethylene ether, calcium dodecyl benzene sulfonate.
Synergist is selected from one or more combination of Synergistic Phosphorus, sulfoxide, piperonyl butoxide etc.
Bleeding agent is selected from azone, thiophene ketone, oozes one or more the combination of T soon.Described ooze T soon and can directly commercially buy, be also fast penetrant T or fast T.
The concrete preparation method of ultra low volume liquids of pyraclostrobin-containing of the present invention is, in the reaction vessel of band electric stirring, first with solvent by after active component stirring and dissolving, then add auxiliary component, fully be uniformly mixed, obtain pyraclostrobin-containing ultra low volume liquids; Its technological parameter is, mixing speeds control is 60 ~ 150 revs/min, and mixing time is 15 ~ 60 minutes, and temperature is normal temperature.
The Target crops be applicable to is the crops such as paddy rice, wheat, barley, corn, Chinese sorghum, cassava, cotton, potato, tomato, capsicum, tobacco, brassicaceous vegetable and rape, grape, soybean, peanut, cucumber, watermelon, oranges and tangerines, apple, pear tree, mango, peach, longan, lichee, bamboo grows, eucalyptus, banana and sugarcane.
The present invention is for preventing and treating rice blast, bakanae disease, banded sclerotial blight, wheat and barley scab, smut, banded sclerotial blight, rust, powdery mildew, the corn northern leaf blight, helminthosporium maydis, smut, Chinese sorghum smut, leaf spot, cassava brown spot, anthracnose, Cotton blight, anthracnose, verticillium wilt, fusarium wilt, potato late blight, early blight, gray mold, early blight of tomato, late blight, leaf mold, spot blight, anthracnose, pepper anthracnose, early blight etc., black shank, rust, frog eye, anthracnose, rape rust, black spot, brown spot, bitter rot or anthracnose of grape, powdery mildew, downy mildew, anthrachose of grape, fruit rot, soybean purple speck, rust, downy mildew, leaf spot of peanut, rust, cucurbits powdery mildew, anthracnose, epidemic disease, fusarium wilt, blight dis-ease, ring rot of apple, powdery mildew, scab, drought period defoliation, anthracnose, black rot of pear, scab, mango powdery mildew, anthracnose, peach brown rot, shot hole, leaf-curl, shothole disease, lichee and longan peronospora tabacina, anthracnose, leaf spot, Oidium heveae, anthracnose, eucalyptus gray mold, bacterial wilt, sigatoka, scab, citrus anthracnose, shot hole, husky skin is sick, sugarcane pineapple disease or rust etc.
Using method of the present invention is ultra low volume spraying, low-gallonage spraying or electrostatic spray.According to controlling object, a situation arises determines the consumption that is suitable for, and usual ultra low volume spraying formulation rate is 1L ~ 5L/hm
2, low-gallonage spraying formulation rate is 5L ~ 50L/hm
2, electrostatic spray formulation rate is 1L ~ 5L/hm
2.
Compared with prior art, the invention has the beneficial effects as follows:
1, work efficiency is high.Ultra low volume spraying spraying reaches tens meters, and People's Bank of China's spray velocity kind per second can reach 0.5 ~ 1 meter, and in the unit interval, the area of spray medicine is several times to tens times of conventional insecticide-applying way, and efficiency is high.
2, water-saving, labour intensity is low.Ultra low volume liquids in spraying uses hardly with being watered dilution, but on the blade directly medicament being sprayed onto crop and stem stalk, through damage by disease and insect target.Such convenience is away from water source and drought and water-scarce area medication, and labour intensity is low.
3, drug concentration is high, and the lasting period is long.The content of conventional dose own is high, the liquor units activity component content spraying solarization after being watered is low, and ultra low volume is directly sprayed by liquor, the active component content of liquor own is low, but use time be not watered or water consumption little, therefore the units activity constituent concentration content of spraying liquor is high, be conducive to improving drug effect; Secondly, ultra low volume adopts low-volatile oil to make solvent, is beneficial to osmotically active composition to blade deep layer, resistance of rainwater washing against, extends the lasting period, reduces times for spraying, reduces agricultural cost.
4, delaying drug resistance, Synergistic.Pyraclostrobin and Prochloraz, prothioconazoles, Difenoconazole, epoxiconazole, Tebuconazole, own azoles alcohol, Isoprothiolane, iprobenfos, dimethomorph, thifluzamide, fenoxanil and tpn are the bactericide of the different mechanism of action, can not antagonism be produced with pyraclostrobin is composite, have synergistic function on the contrary; Secondly, the composite reagent of the different mechanism of action together, plays delaying drug resistance, expands the effects such as target spectrum.
5, safety is high.Ultra low volume liquids adopts low toxogen medicine and solvent, low to person poultry toxicity, residual few in use procedure, few to ecological threat.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to the scope that embodiment represents.
Embodiment 1:
0.1% pyraclostrobin ultra low volume liquids
Preparation technology: in the reaction vessel that band stirs, by formula rate first with solvent by after active component pyraclostrobin stirring and dissolving, then add auxiliary component, be fully uniformly mixed, obtain 0.1% pyraclostrobin ultra low volume liquids; Technological parameter is: it is 60 ~ 150 revs/min that mixing speed controls, and mixing time is 15 ~ 60 minutes, and temperature is normal temperature.
According to the preparation technology identical with embodiment 1, preparation following examples.
Embodiment 2:
10% pyraclostrobin ultra low volume liquids
Embodiment 3:
30% pyraclostrobin ultra low volume liquids
Embodiment 4:
12% pyraclostrobin Prochloraz ultra low volume liquids
Embodiment 5:
8% pyraclostrobin Prochloraz ultra low volume liquids
Embodiment 6:
21% pyraclostrobin Prochloraz ultra low volume liquids
Embodiment 7:
14% pyraclostrobin prothioconazoles ultra low volume liquids
Embodiment 8:
10% pyraclostrobin prothioconazoles ultra low volume liquids
Embodiment 9:
20% pyraclostrobin prothioconazoles ultra low volume liquids
Embodiment 10:
22% pyraclostrobin Difenoconazole ultra low volume liquids
Embodiment 11:
18% pyraclostrobin Difenoconazole ultra low volume liquids
Embodiment 12:
21% pyraclostrobin Difenoconazole ultra low volume liquids
Embodiment 13:
18% pyraclostrobin epoxiconazole ultra low volume liquids
Embodiment 14:
12% pyraclostrobin epoxiconazole ultra low volume liquids
Embodiment 15:
20% phonetic bacterium epoxiconazole ultra low volume liquids
Embodiment 16:
12% pyraclostrobin Tebuconazole ultra low volume liquids
Embodiment 17:
15% pyraclostrobin Tebuconazole ultra low volume liquids
Embodiment 18:
22% pyraclostrobin Tebuconazole ultra low volume liquids
Embodiment 19:
22% pyraclostrobin Isoprothiolane ultra low volume liquids
Embodiment 20:
10% pyraclostrobin Isoprothiolane ultra low volume liquids
Embodiment 21:
22% pyraclostrobin Isoprothiolane ultra low volume liquids
Embodiment 22:
17% pyraclostrobin thifluzamide ultra low volume liquids
Embodiment 23:
12% pyraclostrobin thifluzamide ultra low volume liquids
Embodiment 24:
20% pyraclostrobin thifluzamide ultra low volume liquids
Embodiment 25:
17% pyraclostrobin fenoxanil ultra low volume liquids
Embodiment 26:
10% pyraclostrobin fenoxanil ultra low volume liquids
Embodiment 27:
21% pyraclostrobin fenoxanil ultra low volume liquids
Embodiment 28:
22% pyraclostrobin dimethomorph ultra low volume liquids
Embodiment 29:
12% pyraclostrobin dimethomorph ultra low volume liquids
Embodiment 30:
23% pyraclostrobin dimethomorph ultra low volume liquids
Embodiment 31:
12% pyraclostrobin tpn ultra low volume liquids
Embodiment 32:
13% pyraclostrobin tpn ultra low volume liquids
Embodiment 33:
23% pyraclostrobin tpn ultra low volume liquids
Embodiment 34:
15% pyraclostrobin own azoles alcohol ultra low volume liquids
Embodiment 35:
22% pyraclostrobin own azoles alcohol ultra low volume liquids
Embodiment 36:
24% pyraclostrobin Difenoconazole Isoprothiolane ultra low volume liquids
Embodiment 37:
16% pyraclostrobin prothioconazoles Prochloraz ultra low volume liquids
Embodiment 38:
12% pyraclostrobin tpn fenoxanil ultra low volume liquids
The connected applications embodiment of the present invention 1 ~ 38 field efficacy measurement result of carrying out again below, furthermore bright beneficial effect of the present invention, but the control crop and the object that are not limited to Application Example.
Application Example 1: the field trial of the pyraclostrobin different dosage form water prevention rice sheath blight
Dispenser place: in the paddy field of Wuming County suburb, Nanning
Using method: embodiment 2,3 ultra low volume sprayer spraying, the conventional workers and peasants 16 type sprayer of 25% pyraclostrobin EC is sprayed respectively.
If each experimental plot area is rice area 40m2, repeat 4 times, 7 days and 14 days investigation preventive effects after medicine, the method of investigation drug effect is: each community investigates 100 clumps, every pocket gets a point by east, south, west, north, middle direction, investigate 20 clumps, record total strain number and diseased plant number at different levels for often, check the occurrence degree of banded sclerotial blight.Result of the test is as table 1:
The result of the test of the table 1 pyraclostrobin different dosage form water prevention rice sheath blight
Field test results shows, the ultra low volume liquids of pyraclostrobin is better than missible oil to the preventive effect of rice sheath blight disease; Under equal active component consumption, ultra low volume liquids lasting effect is better than missible oil.
Application Example 2: the ultra low volume liquids of the compositions such as pyraclostrobin and rosickyite bacterium ester prevents and treats the field trial of wheat sharp eyespot.
Dispenser place: in county of Fengqiu suburb wheatland
Using method: embodiment 8,11,17,34 ultra low volume sprayer spraying, 25% pyraclostrobin EC and the conventional workers and peasants 16 type sprayer of 5% jinggangmycin A aqua are sprayed respectively.
If each experimental plot area is wheat area 40m2, repeat 4 times, 14 days investigation preventive effects after medicine, the method of investigation drug effect is: a point is respectively got by east, south, west, north, middle direction in each community, often some investigation 20 strains, record total strain number and disease index at different levels, check the occurrence degree of banded sclerotial blight.Result of the test is as table 2:
The result of the test of table 2 pair wheat sharp eyespot
Field test results shows, the ultra low volume liquids of pyraclostrobin and prothioconazoles isoreactivity component composition effectively can prevent and treat wheat sharp eyespot, and under equal active component consumption, effect is better than the control efficiency of pyraclostrobin and jinggangmeisu single dose.
Application Example 3: the field trial of the ultra low volume liquids control rice blast of the composition such as pyraclostrobin and Prochloraz.
Dispenser place: in the paddy field of Wuming County suburb, Nanshi, Guangxi
Using method: embodiment 5,20,26,35 ultra low volume sprayer spraying, the conventional workers and peasants 16 type sprayer of 25% pyraclostrobin EC and 20% fenoxanil SC is sprayed respectively.
If rice area 40m2 is selected in each experimental plot, repeat 4 times, 14 days investigation preventive effects after medicine, the method of investigation drug effect is: each community investigates 100 clumps, a point is respectively got by east, south, west, north, middle direction, investigate 20 clumps, record total strain number and diseased plant number at different levels for often, check the occurrence degree of rice blast.Result of the test is as table 3:
The result of the test of table 3 pair rice blast
Field test results shows, the ultra low volume liquids of pyraclostrobin and Prochloraz isoreactivity component composition effectively can prevent and treat rice blast, and under equal active component consumption, effect is better than the control efficiency of pyraclostrobin and fenoxanil single dose.
Application Example 4: the ultra low volume liquids of pyraclostrobin and epoxiconazole isoreactivity component composition prevents and treats the field trial of sigatoka.
Dispenser place: in the banana garden of Tan Luo town, Nanning
Using method: embodiment 14,17,36 ultra low volume sprayer spraying, the conventional workers and peasants 16 type sprayer of 25% pyraclostrobin EC and 12.5% epoxiconazole SC is sprayed respectively.
If each experimental plot selects height in banana 10 strain of below 1m, repeat 4 times, 14 days investigation preventive effects after medicine, the method of investigation drug effect is: 10 strains are investigated in each community, every strain gets a point by east, south, west, north, middle direction, the strain of often some random searching 2, and every strain banana down investigates 8 ~ 13 leaves from top, record total strain number and diseased plant number at different levels, check the occurrence degree of leaf spot.Result of the test is as table 4:
The result of the test of table 4 pair sigatoka
Field test results shows, the ultra low volume liquids of pyraclostrobin and epoxiconazole isoreactivity component composition effectively can prevent and treat sigatoka, and under approximate equal active component consumption, effect is better than the control efficiency of epoxiconazole and pyraclostrobin single dose.
Application Example 5: the ultra low volume liquids of pyraclostrobin and dimethomorph prevents and treats the test of downy mildew of garpe.
Dispenser place: in vineyard, Xixiangtang District, Nanning
Using method: embodiment 29,32 ultra low volume sprayer spraying, the conventional workers and peasants 16 type sprayer of 25% pyraclostrobin EC and 50% dimethomorph WDG is sprayed respectively.
If each experimental plot selects field planting to become grape 10 strain in age, repeat 4 times; 14 days investigation preventive effects after medicine, the method for investigation drug effect is: newborn climing 10 of each community investigation, investigates whole blade from top to bottom, records total number of sheets and sick leaf strain number at different levels, check the occurrence degree of downy mildew of garpe.Result of the test is as table 5:
The result of the test of table 5 pair downy mildew of garpe
Field test results shows, the ultra low volume liquids of pyraclostrobin and dimethomorph isoreactivity component composition effectively can prevent and treat downy mildew of garpe, and under equal active component consumption, effect is better than the control efficiency of pyraclostrobin and dimethomorph single dose.
Claims (4)
1. a ultra low volume liquids for pyraclostrobin-containing, is characterized in that: it is composite for active component with pyraclostrobin and any two kinds of materials of active component II, and all the other used additives and solvent complement to the ultra low volume liquids of 100%; Described active component II is tpn and fenoxanil;
Composite for active component with pyraclostrobin and any two kinds of materials of active component II, the weight content of pyraclostrobin is 0.5% ~ 10%, the weight content of any two kinds of materials of described active component II is 1% ~ 15%, and the weight content of auxiliary agent is 1% ~ 15%, and solvent complements to 100%;
Described solvent is one or more combinations in aromatic hydrocarbon solvent and polar solvent; Aromatic hydrocarbon solvent comprises trimethylbenzene, o-dichlorohenzene, more than C10 heavy aromatics; Polar solvent comprises acetophenone, phenmethylol, methyl-sulfoxide, 1-METHYLPYRROLIDONE, DMF, DMA, more than C6 alcohols; Described more than C10 heavy aromatics is durene, diethylbenzene, methyl-propyl benzene, butylbenzene, methyl naphthalene, two wires oil; More than C6 alcohols is n-hexyl alcohol, n-octyl alcohol, terpineol;
Described auxiliary agent comprises surfactant, synergist, bleeding agent; Surfactant is one or more the combination in fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, phenethyl phenol polyethenoxy ether, alkylaryl polyoxyethylene polyoxypropylene ether, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy ether phosphate, alkylaryl polyoxyethylene polyoxypropylene ether phosphate, castor oil polyoxyethylene ether, calcium dodecyl benzene sulfonate; Synergist is one or more combination in Synergistic Phosphorus, sulfoxide, piperonyl butoxide; Bleeding agent is azone, thiophene ketone, ooze one or more combination in T soon.
2. the ultra low volume liquids of pyraclostrobin-containing according to claim 1, it is characterized in that: with pyraclostrobin and active component II for active component, the weight content of pyraclostrobin is 1% ~ 7%, the weight content of fenoxanil is 3% ~ 15%, the weight content of tpn is 5% ~ 10%, the weight content of auxiliary agent is 1% ~ 15%, and solvent complements to 100%.
3. the ultra low volume liquids of pyraclostrobin-containing according to claim 1, it is characterized in that: the preparation method of described ultra low volume liquids is, in the reaction vessel of band electric stirring, first with solvent by after active component stirring and dissolving, add auxiliary component again, fully be uniformly mixed, obtain pyraclostrobin-containing ultra low volume liquids; Technological parameter is: it is 60 ~ 150 revs/min that mixing speed controls, and mixing time is 15 ~ 60 minutes, and temperature is normal temperature.
4. the ultra low volume liquids of pyraclostrobin-containing according to claim 1, is characterized in that: its application process is ultra low volume spraying, low-gallonage spraying or electrostatic spray.
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