CN103704230A - Ultralow volume liquid containing pyraclostrobin and benzamide bactericidal composition - Google Patents
Ultralow volume liquid containing pyraclostrobin and benzamide bactericidal composition Download PDFInfo
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Abstract
The invention belongs to the pesticide field, and specifically relates to an ultralow volume liquid containing pyraclostrobin and benzamide bactericidal composition. The active component of the ultralow volume liquid is prepared by compounding pyraclostrobin and any one component selected from an active component II, the balance being auxiliary agents and solvent, wherein the active component II is any one component selected from metalaxyl, benalaxyl, and oxadixyl. The ultralow volume liquid is suitable for ultralow volume spraying, low volume spraying and electrostatic spraying, can be used to protect crops such as paddy rice, wheat, corn, cassava, cotton, potato, rape, watermelon, orange, apple, mango, longan, lichee, rubber tree, eucalyptus, banana, sugarcane, mountain forest, and the like; and has the advantages of high work efficiency, low work strength, reduction on water consumption, interference on ribosome RNA synthesis, ultra-long time protection, synergetic effect, and saving on cost and labor.
Description
Technical field
The invention belongs to pesticide field, relate to pyraclostrobin (
pyraclostrobin) (in Benalaxyl), Evil white clever (Oxadixyl), choosing any one kind of them composite is the ultra low volume liquids of active component with active effect composition II metalaxyl (Metalaxyl), M 9834 as activity, to imitate composition I, be applicable to ultra low volume spraying, low-gallonage spraying and electrostatic spray, be specially the ultra low volume liquids of pyraclostrobin-containing and benzamides microbicide compositions.
Background technology
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 sick Chinese caterpillar fungus controlling mode.At present, domestic pesticide control operating efficiency is low, and labour intensity is large, is difficult to adapt to farm and the control requirement of implant mass area to damage by disease and insect.Secondly pesticidal preparations need to be watered in a large number, is not suitable for the control away from water source, drought and water shortage and large area crop disease and insect.Meanwhile, the single and frequent use of highly effective pesticide kind, makes biological target grow with each passing day to the resistance of medicament itself, has explosive crop and forest-crop disease and brings great threat to the mankind's food security.
As the pyraclostrobin of active component I, be again pyraclostrobin, Chinese: N-{2-[1-(4-chlorphenyl)-1H-pyrazole-3-yl oxygen methyl] phenyl } (N-methoxyl group) methyl carbamate, belong to methoxy acrylic bactericide.It stops the synthetic of cell ATP by the electronics transmission of pinning 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 Oomycete, and the growth of spore germination and leaf intramatrical mycelium is had to very strong inhibitory action, has protectiveness, therapeutic and local interior suction and osmotically active, and the lasting period is long, resistance of rainwater washing against.Be widely used in preventing and treating the disease on grape, brassicaceous vegetable, solanaceous vegetable, wheat, paddy rice, tobacco, ornamental plants, lawn and other field crops.This compound not only toxicity is low, to non-target organism safety, and also all friendly safely to user and environment, by U.S. EPA, classified as " the candidate's medicament that reduces risk ".But this medicament exists protective effect faint, and action site is single, a large amount of potential dangers that easily produce resistance of using.
As the metalaxyl of one of active component II, chemical name: D, L-N-(2,6-3,5-dimethylphenyl)-N-(2'-methoxyl group acetyl) methyl lactamine, belongs to benzamides hypotoxicity bactericide.It is by suppressing the synthetic of rRNA I.Belong to systemic fungicide, there is protection and therapeutic action, can be absorbed by the root, stem and leaf of plant, and Water Transportation in object thereupon, and transfer to each organ of plant.There is Bidirectional Conduction performance, lasting period 10-14 days, the soil treatment lasting period can period of greater than two months.To the microbial various crop downy mildew of Pseudoperonospora cubensis, phytophthora root rot bacterium and maize ear rot, phytophthora root rot, the millet downy mildew of gourd, fruit and vegetable class are effective.
As two M 9834 of active component II, chemical name: N-phenylacetyl group-N-(2,6-3,5-dimethylphenyl)-DL-α-aminopropionic acid methyl esters, belongs to benzamides hypotoxicity systemic fungicide.There is protection, treatment and eradicant action.By disturbing the synthetic of rRNA, Antifungi protein synthetic.Can be absorbed rapidly by plant roots, stem, leaf, and in plant corpus, run to each position, and resistance of rainwater washing against.Suitable crop grape, tobacco, oranges and tangerines, lupulus, soybean, strawberry, potato and various vegetables, flowers and other ornamental plantss, lawn etc.Control is as potato late blight, downy mildew of garpe, Pi hops downy mildew, beet epidemic disease, oily Lay white blister, black shank, oranges and tangerines foot rot, cucumber downy mildew, tomato blight, the millet downy mildew, taro phytophthora blight, capsicum epidemic disease and the various damping off that caused by phytophthora and plant maize ear rot etc.Downy mildew and phytophthora root rot are had to special efficacy.
As the San Evil frost spirit of active component II, chemical name: 2-methoxyl group-N-(2-oxo-1,3-oxazoles alkane-3-' yl) acetamide-N-(2 ', 6 '-dimethyl benzene), belong to benzamides hypotoxicity systemic fungicide.There is protection, treatment and eradicant action.By disturbing the synthetic of rRNA, Antifungi protein synthetic.Can be absorbed rapidly by plant roots, stem, leaf, and in plant corpus, run to each position, and resistance of rainwater washing against.Be mainly used in preventing and treating the downy mildew of crucifer, grape, cucumber, seeding corn and other crops; Black shank due to Phytophthora, the root-rot of potato, tomato late blight and multiple fruit tree, brown rot and ring are rotten, the vegetables damping off due to pythium etc.Multiple pathogen to Oomycete Peronosporales Peronosporaceae and pythiaceae has special efficacy.
At present, active component I pyraclostrobin is the bactericide of the latest model methoxy acrylic of BASF AG's exploitation, by replaced with N-rubigan pyrazolyl the another methoxy acrylic wide-spectrum bactericide that the o-methyl-phenyl-in kresoxim-methyl molecular structure is developed on kresoxim-methyl basis.Pyraclostrobin shows downy mildew through field control effectiveness test result, and epidemic disease and white epidemic disease and downy mildew of garpe, anthracnose, powdery mildew etc. have special efficacy.Have on the market at present two kinds of formulations of missible oil and water dispersible granules, its ultra low volume liquids there is not yet report both at home and abroad; Secondly the metalaxyl of active component II, M 9834 and the spirit of Evil frost have single dose and multiple formulations of built agent such as wetting powder, pulvis, aqua and fumicants common on the market, and the ultra low volume liquids composite with pungent azoles mepanipyrim also there is not yet report both at home and abroad.
Ultra low volume liquids is a kind ofly to take high boiling oily solvent as pesticide activity component dispersion medium, adds a kind of special finish 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 uniform droplet of 30～100 μ m particle diameter, 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 and be penetrated into organization internal, be difficult for being rinsed out from crop surface by rainwater, be conducive to the performance of drug effect and extend the pharmacy effect time.
Ultra low volume spraying technology has the following advantages:
1, work efficiency is high, and labour intensity is low.Ultra low volume spraying spraying reaches tens meters, and in the unit interval, the area of spray medicine is several times to tens times of conventional insecticide-applying way, and work efficiency is high, and labour intensity is low, and this is to farm, implant mass area and to prevent and treat the control of fulminant damage by disease and insect very favourable.
2, water consumption is few.In ultra low volume liquids use procedure, need hardly water, and directly medicament is sprayed application on crop, reduce the difficulty that can not spray medicine away from water source or drought and water shortage area, the wildness of prevention and elimination of disease and pests in time, harm reduction degree.
3, concentration is high, and preventive effect is good, and drug effect is long.Ultra low volume liquids liquid adopts oil-based solvent, and preparation active constituent content concentration is high, and smoked kill effect is large, when medicament touches insect and germ, can in insect, pathogene, invade soon, plays good control efficiency.Meanwhile, can be penetrated into blade deep layer, resistance of rainwater washing against, lasting effect is long, can effectively reduce medication number of times and dosage, abridged edition saving of labor.
4, safe.Ultra low volume liquids active ingredient does not adopt severe toxicity and high-toxic pesticide, therefore powder performance used is required tighter, people, animal is herded and crop safety all.Secondly, in use, during spray medicine, medicament is because cloud point particle diameter is little, and the ratio sticking on crop is corresponding large, runs off corresponding with residual quantity few, and environmentally safe property is high.
Summary of the invention
Object of the present invention be exactly low for the upper work efficiency existing of traditional farming control, labour intensity large, the defect of poor stability, and the problem such as the action site of medicament itself is single, resistance is obvious and the lasting period is short and a kind of pyraclostrobin-containing of providing and the ultra low volume liquids of benzamides microbicide compositions.
Another object of the present invention is to provide a kind of take active component I pyraclostrobin and active component II metalaxyl, M 9834 He the preparation method of the composite ultra low volume liquids as active component of choosing any one kind of them in the spirit of Evil frost.
Concrete technical scheme of the present invention is:
A ultra low volume liquids for pyraclostrobin-containing and benzamides microbicide compositions, is aided with auxiliary agent and solvent by active component I, active component II, and finally composite is the ultra low volume liquids of two-element active composition.
This ultra low volume liquids is 100% calculating by finished product weight percentage: the weight percentage of active component I is 0.1 %～30.0%, and the weight percentage of active component II is 1.0%～40.0%, and auxiliary agent and solvent make this ultra low volume liquids complement to 100%.Wherein active component I is pyraclostrobin, active component II be metalaxyl, M 9834 He in the spirit of Evil frost any one.
Described solvent is any one in aromatic hydrocarbon solvent, plant oil solvent or polar solvent.
Described aromatic hydrocarbon solvent comprises trimethylbenzene, dimethylbenzene, o-dichlorohenzene, durene, diethylbenzene, two wires oil and methyl naphthalene; Plant oil solvent comprises soybean oil, cottonseed oil, rapeseed oil, castor oil, corn oil, turpentine oil, and esterified vegetable oil comprises methyl oleate, ethyl oleate; Polar solvent comprises acetophenone, phenmethylol, methyl-sulfoxide, 1-METHYLPYRROLIDONE, DMF, ethylene glycol, glycerine, n-octyl alcohol and terpineol.
Described auxiliary agent comprises surfactant, synergist, bleeding agent; Surfactant is selected from any one or more than one the composition 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 selected from any one or more than one the composition in tributyl phosphate, sulfoxide, piperonyl butoxide; Bleeding agent is selected from azone, thiophene ketone, oozes soon one or more composition of T kind.
The preparation side of ultra low volume liquids of the present invention is: in the mixing kettle of belt stirrer, first with partial solvent by after active component stirring and dissolving, add again surfactant and remaining solvent, fully be uniformly mixed, obtain the ultra low volume liquids of pyraclostrobin-containing and benzamides microbicide compositions; Technological parameter is: it is 60～150 revs/min that mixing speed is controlled, and mixing time is 15～60 minutes, and temperature is normal temperature, and pressure is normal pressure.
Applicable target crop be paddy rice (
oryza glaberrima), wheat (
vitaceae), barley (
barley), corn (
zea mays), Chinese sorghum (
sorghum), cassava (
manihot esculenta crantz (M.utilissima Pohl)), cotton (
gossypium spp.), potato (
solanum tuberosum), tomato (
solanum lycopersicum), capsicum (
capsicum annuum Linn), tobacco (
nicotiana tabacum), brassicaceous vegetable and rape (
brassica campestris L.), grape (
vitis vinifera), soybean (
glycine max), peanut (
arachis hypogaea), cucumber (
cucumis sativus Linn), watermelon (
citrullus lanatus), oranges and tangerines (
citrus reticulata Banco), apple (
malus pumila Mill.), pear tree (
pyrus pyrifolia), Mango fruit (
mangifera indica Linn), peach (
amygdalus persica Linn), longan (
dimocarpus longgana Lour), lichee (
litchi chinensis), bamboo grows (
hevea brasiliensis), eucalyptus (
eucalyptus), banana (
musaceae) and sugarcane (
saccharum officenarum L.) etc. crop.
Ultra low volume liquids of the present invention is applicable to control rice blast, bakanae disease, banded sclerotial blight, wheat and barley head blight, 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, climing rot, ring rot of apple, powdery mildew, scab, drought period defoliation, anthracnose, ring spot, black rot of pear, scab ， Mango fruit 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, sigatoka, scab, citrus anthracnose, shot hole, husky skin disease and sugarcane pineapple disease, rust etc.
Low capacity, ultra low volume or the electrostatic spraying of the method for using ultra low volume liquids of the present invention for carrying out with ground and aircraft, according to controlling object, a situation arises determines suitable consumption, and common ultra low volume spraying formulation rate is 1 L～5 L/hm
2, low-gallonage spraying formulation rate is 5 L～50 L/hm
2, electrostatic spray formulation rate is 1 L～5 L/hm
2.
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, preparation water consumption is few, and labour intensity is low.Ultra low volume liquids is blent with adding water hardly in the process of spraying, but directly medicament is sprayed onto on the blade and stem stalk of crop, through damage by disease and insect target.Convenient like this away from water source and drought and water shortage area medication, labour intensity is low;
3, drug concentration is high, and the lasting period is long.The content of conventional dose own is high, and liquor unit's active constituent content that after blending, spray is shone is low, and ultra low volume is directly liquor to be sprayed, and the active constituent content of liquor own is low, but the unit active ingredient concentration content of the liquor of spraying is high, is conducive to improve drug effect; Secondly, ultra low volume adopts low volatility organic oil to make solvent, pins and permeates active ingredient to blade deep layer, and resistance of rainwater washing against, extends the lasting period, reduces medication number of times, reduces agricultural cost;
4, disturb rRNA synthetic, delaying drug resistance, overlength protection.Pyraclostrobin belongs to mitochondrial respiratory inhibitor, is that a class has the novel bactericide of fine treatment and eradicant action to Oomycete disease.And synthesizing of benzamides bactericide Profilin matter by disturbing rRNA to synthesize can be absorbed by the root, stem and leaf of plant, crop is had to good long-effective protection effect.Itself can not produce antagonism with benzamides is bactericide compounded, improve the protective capability of pungent azoles mepanipyrim to crop.Secondly, the composite reagent of the multiple different mechanisms of action together, plays and postpones resistance, expands the effects such as target spectrum.
5, safe.Ultra low volume liquids adopts low toxogen medicine and solvent, low to natural enemy insect, human body and herding toxicity.Residual few in use procedure, ecology is threatened few.
Embodiment
The present invention describes with the following example very field trial, but does not limit the scope of the invention and controlling object.
Embodiment 1:
Configuration quality percentage composition is 40.1% pyraclostrobin metalaxyl ultra low volume liquids, and its component content is:
Pyraclostrobin 0.1 kg
Metalaxyl 40.0 kg
Piperonyl butoxide 3.0 kg
Fatty alcohol-polyoxyethylene ether 3.0 kg
Calcium dodecyl benzene sulfonate 3.5 kg
Methyl-sulfoxide 25.0 kg
N-octyl alcohol 12 kg
C10 aromatic hydrocarbons complements to 100 kg
At normal temperatures and pressures, pyraclostrobin, metalaxyl and solvent are dropped in the reaction vessel of band stirring, low whipping speed is under 60～150 revs/min, solvent is by pyraclostrobin and metalaxyl stirring and dissolving, add again auxiliary agent, fully stir 15～60 minutes, it is mixed, obtain 40.1% pyraclostrobin metalaxyl film-spreading oil solution.
According to the step identical with embodiment 1, can prepare following examples.
Embodiment 2:
Configuration quality percentage composition is 25% pyraclostrobin metalaxyl ultra low volume liquids, and its component content is:
Pyraclostrobin 6.0 kg
Metalaxyl 19.0 kg
Alkylphenol polyoxyethylene 5.0 kg
Calcium dodecyl benzene sulfonate 3.5 kg
Methyl-sulfoxide 20.0 kg
Azone 2.0 kg
N-octyl alcohol 12 kg
Trimethylbenzene complements to 100 kg
Embodiment 3:
Configuration quality percentage composition is 34.0% pyraclostrobin metalaxyl ultra low volume liquids, and its composition and each content are:
Pyraclostrobin 28.0 kg
Metalaxyl 6.0 kg
Phenethyl phenol polyethenoxy ether 14.0 kg
Calcium dodecyl benzene sulfonate 6.5 kg
Methyl-sulfoxide 25.0 kg
N-octyl alcohol 12.0 kg
O-dichlorohenzene complements to 100 kg
Embodiment 4:
Configuration quality percentage composition is 31% pyraclostrobin metalaxyl ultra low volume liquids, and its component content is:
Pyraclostrobin 30.0 kg
Metalaxyl 1 kg
Phenethyl phenol polyethenoxy ether 14.0 kg
Calcium dodecyl benzene sulfonate 6.5 kg
Methyl-sulfoxide 25.0 kg
N-octyl alcohol 12.0 kg
O-dichlorohenzene complements to 100 kg
Embodiment 5:
Configuration quality percentage composition is 40.1% pyraclostrobin M 9834 ultra low volume liquids, and its component content is:
Pyraclostrobin 0.1 kg
M 9834 40.0 kg
Sulfoxide 3.0 kg
Fatty alcohol-polyoxyethylene ether 4.0 kg
Calcium dodecyl benzene sulfonate 4.0 kg
1-METHYLPYRROLIDONE 12.0 kg
Rapeseed oil complements to 100 kg
Embodiment 6:
The pyraclostrobin M 9834 ultra low volume liquids of configuration quality percentage composition 30.0%, its composition and content are:
Pyraclostrobin 6.0 kg
M 9834 24.0 kg
Alkylaryl polyoxyethylene polyoxypropylene ether 5.0 kg
Calcium dodecyl benzene sulfonate 4.5 kg
Thiophene ketone 2.0 kg
1-METHYLPYRROLIDONE 20.0 kg
Turpentine oil complements to 100 kg
Embodiment 7:
Configuration quality percentage composition is 30.0% pyraclostrobin M 9834 ultra low volume liquids, and its composition and content are:
Pyraclostrobin 22.0 kg
M 9834 8.0 kg
Aliphatic alcohol polyoxyvinethene phosphate 8.0 kg
Calcium dodecyl benzene sulfonate 6.5 kg
Methyl-sulfoxide 25.0 kg
N-octyl alcohol 12.0 kg
C10 aromatic hydrocarbons complements to 100 kg
Embodiment 8:
Configuration quality percentage composition is 31% pyraclostrobin M 9834 ultra low volume liquids, and its composition and content are:
Pyraclostrobin 30.0 kg
M 9834 1 kg
Alkylaryl polyoxyethylene polyoxypropylene ether 8.0 kg
Calcium dodecyl benzene sulfonate 10.5 kg
Methyl-sulfoxide 25.0 kg
Soybean oil complements to 100 kg
Embodiment 9:
Configuration quality percentage composition is the clever ultra low volume liquids of 40.1% Bi azoles Mi Jun Zhi Evil frost, and its composition and content are:
Pyraclostrobin 0.1 kg
Clever 40.0 kg of Evil frost
Aliphatic alcohol polyoxyvinethene phosphate 4.0 kg
Calcium dodecyl benzene sulfonate 4.0 kg
1-METHYLPYRROLIDONE 12.0 kg
Phenmethylol complements to 100 kg
Embodiment 10:
Configuration quality percentage composition is the clever ultra low volume liquids of 30.0% Bi azoles Mi Jun Zhi Evil frost, and its composition and content are:
Pyraclostrobin 8.0 kg
Clever 22.0 kg of Evil frost
Fatty alcohol-polyoxyethylene ether 4.0 kg
Calcium dodecyl benzene sulfonate 5.0 kg
1-METHYLPYRROLIDONE 25.0 kg
Ooze soon T 2.0 kg
Cottonseed oil complements to 100 kg
Embodiment 11:
Configuration quality percentage composition is the clever ultra low volume liquids of 32.0% Bi azoles Mi Jun Zhi Evil frost, and its composition and content are:
Pyraclostrobin 24.0 kg
Clever 8.0 kg of Evil frost
Alkylphenol polyoxyethylene phosphate 4.0 kg
Calcium dodecyl benzene sulfonate 4.0 kg
1-METHYLPYRROLIDONE 30.0 kg
Two wires oil 10.0 kg
Acetophenone complements to 100 kg
Embodiment 12:
Configuration quality percentage composition is the clever ultra low volume liquids of 31% Bi azoles Mi Jun Zhi Evil frost, and its composition and content are:
Pyraclostrobin 30.0 kg
Clever 1 kg of Evil frost
Alkylphenol polyoxyethylene 4.0 kg
Calcium dodecyl benzene sulfonate 4.0 kg
1-METHYLPYRROLIDONE 25.0 kg
Two wires oil 15.0 kg
Phenmethylol complements to 100 kg
The advantage of the ultra low volume liquids of pyraclostrobin-containing is verified by field control effectiveness test, but is not limited to control crop and the object of test example.
Test example 1: the various formulations of pyraclostrobin are prevented and treated the field trial of bakanae disease of rice
Dispenser place: in the paddy field of Wuming County suburb, Nanning
Using method: adopt the ultra low volume liquids of configuration in embodiment 1～3, with ultra low volume sprayer spraying, 25% pyraclostrobin EC and 25% metalaxyl WP spray respectively with conventional workers and peasants' 16 type sprayers.
If each experimental plot area is rice area 40m
2, repeat 4 times, 14 days investigation preventive effects after medicine, the method for investigation drug effect is: 100 clumps of each community investigation, every pocket is got a point by east, south, west, north, middle direction, investigates 20 clumps at every, records total strain number and diseased plant number at different levels, checks the occurrence degree of bakanae disease.Result of the test is as table 1
The various formulations of table 1 pyraclostrobin are prevented and treated the control efficiency of bakanae disease of rice field trial
Field test results shows, the ultra low volume liquids of pyraclostrobin is better than missible oil and water dispersible granules to the preventive effect of bakanae disease of rice; Under equal effective ingredient consumption, example 2 preventive effects are more excellent.。
Test example 2: the ultra low volume liquids of pyraclostrobin and dimethomorph is prevented and treated the field trial of downy mildew of garpe.
Dispenser place: in vineyard, Xixiangtang District, Nanning
Using method: embodiment 29,32 use ultra low volume sprayer sprayings, 25% pyraclostrobin EC and 50% dimethomorph WDG spray respectively with conventional workers and peasants' 16 type sprayers.
If each experimental plot selects field planting to become grape 10 strains in age, repeat 4 times; 7 days and 14 days investigation preventive effects after medicine, the method for investigation drug effect is: newborn climing 10 of each community investigation, investigate whole blades from top to bottom, record 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 2:
The control efficiency of table 2 pair downy mildew of garpe
Field test results shows, the ultra low volume liquids of the medicament composition such as pyraclostrobin and dimethomorph can effectively be prevented and treated downy mildew of garpe, under approximate equal effective ingredient consumption, effect and be better than pyraclostrobin and the control efficiency of benzamides bactericide single dose.Surface, is being similar under equal effective ingredient consumption simultaneously, and ultra low volume liquids is more better than pyraclostrobin and benzamides bactericide single dose to the lasting effect of downy mildew of garpe.
Claims (6)
1. the ultra low volume liquids of pyraclostrobin-containing and benzamides microbicide compositions, it is characterized in that: this ultra low volume liquids is comprised of active component I pyraclostrobin, active component II, solvent and auxiliary agent, wherein, pyraclostrobin quality percentage composition is 0.1 %～30%, active component II quality percentage composition is 1%～40%, and auxiliary agent and solvent complement to 100%.
2. ultra low volume liquids according to claim 1, is characterized in that: described active component II is metalaxyl, M 9834 He any one in the spirit of Evil frost.
3. ultra low volume liquids according to claim 1, is characterized in that: described solvent is any one in aromatic hydrocarbon solvent, plant oil solvent or polar solvent.
4. ultra low volume liquids according to claim 3, is characterized in that: described aromatic hydrocarbon solvent comprises trimethylbenzene, dimethylbenzene, o-dichlorohenzene, durene, diethylbenzene, two wires oil and methyl naphthalene; Plant oil solvent comprises soybean oil, cottonseed oil, rapeseed oil, castor oil, corn oil, turpentine oil, and esterified vegetable oil comprises methyl oleate, ethyl oleate; Polar solvent comprises acetophenone, phenmethylol, methyl-sulfoxide, 1-METHYLPYRROLIDONE, DMF, ethylene glycol, glycerine, n-octyl alcohol and terpineol.
5. ultra low volume liquids according to claim 1, is characterized in that: described auxiliary agent comprises surfactant, synergist, bleeding agent; Surfactant is selected from any one or more than one the composition 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 selected from any one or more than one the composition in tributyl phosphate, sulfoxide, piperonyl butoxide; Bleeding agent is selected from azone, thiophene ketone, oozes soon one or more composition of T kind.
6. one kind as the preparation method of the ultra low volume liquids as described according to any one claim in claim 1-5, it is characterized in that: first in the mixing kettle of belt stirrer, first with partial solvent by after active component stirring and dissolving, add again surfactant and remaining solvent, fully be uniformly mixed, obtain the ultra low volume liquids of pyraclostrobin-containing and benzamides microbicide compositions; Technological parameter is: it is 60～150 revs/min that mixing speed is controlled, and mixing time is 15～60 minutes, and temperature is normal temperature, and pressure is normal pressure.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105265158A (en) * | 2015-11-20 | 2016-01-27 | 大新县生产力促进中心 | Method for controlling smut of sugarcane |
| CN107484761A (en) * | 2017-09-18 | 2017-12-19 | 安徽古尔特科技有限公司 | A kind of bactericidal composition containing benzothiostrobin and M 9834 |
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| CN105265158A (en) * | 2015-11-20 | 2016-01-27 | 大新县生产力促进中心 | Method for controlling smut of sugarcane |
| CN105265158B (en) * | 2015-11-20 | 2018-04-10 | 大新县生产力促进中心 | A kind of method for preventing and treating smut of sugarcane |
| CN107484761A (en) * | 2017-09-18 | 2017-12-19 | 安徽古尔特科技有限公司 | A kind of bactericidal composition containing benzothiostrobin and M 9834 |
| CN107484761B (en) * | 2017-09-18 | 2021-01-15 | 安徽古尔特科技有限公司 | Sterilization composition containing benzothiostrobin and benalaxyl |
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