CN101874488B - Bactericide composition containing imazalil and cyazofamid - Google Patents
Bactericide composition containing imazalil and cyazofamid Download PDFInfo
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Abstract
The invention relates to a bactericide composition with synergy. The active components of the composition include imazalil and cyazofamid, wherein the weight ratio of the imazalil to the cyazofamid is 1-80:80-1; and wettable powder, water dispersible granules, suspending agent, emulsion in water or microemulsion can be prepared from the active components by adding auxiliary agent and excipients. The composition is mainly used for preventing and curing powdery mildew, anthracnose, downy mildew, late blight and cladosporium cucumerinum.
Description
The present invention relates to a kind of microbicide compositions with synergistic function; Its effective active composition contains and presses down mould azoles and cyanogen frost azoles; The weight ratio that wherein presses down mould azoles and cyanogen frost azoles is 1～80: 80～1; The effective active composition adds auxiliary agent and excipients is processed wetting powder, water dispersible granules, suspending agent, aqueous emulsion or microemulsion, is mainly used in and prevents and treats powdery mildew, anthracnose, downy mildew, late blight, scab.
1, a kind of bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains is characterized in that the weight ratio that microbicide compositions effective active composition presses down mould azoles and the white azoles of cyanogen is 1～80: 80～1.
2, the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 1, it is characterized in that: the weight ratio that wherein presses down mould azoles and cyanogen frost azoles is 1～60: 60～1.
3, the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 2, it is characterized in that: the weight ratio that wherein presses down mould azoles and cyanogen frost azoles is 5～50: 50～5.
4, the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 1, it is characterized in that: wherein the effective active component content accounts for 1～90% of gross weight.
5, the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 4, it is characterized in that: wherein the effective active component content accounts for 10～80% of gross weight.
6, the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 1, it is characterized in that: microbicide compositions is processed wetting powder, water dispersible granules, suspending agent, aqueous emulsion or microemulsion.
A kind of bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on crop pest that presses down mould azoles and cyanogen frost azoles that contain.
Technical background
Pressing down mould azoles (imazalil) is triazole bactericidal agent.Molecular formula is C
14H
14Cl
2N
2O, chemical name: 1-{2-(2,4 dichloro benzene base)-2-(2-propenyloxy group) ethyl }-the 1H-imidazoles.
Pressing down mould azoles is a kind of interior absorption wide-spectrum bactericide, and the mechanism of action is to influence cell permeability of the membrane, physiological function and lipid anabolism, thereby destroys the cell membrane of mould, the formation of mould fungus inhibition spore simultaneously.Usually as seed treatment, or oranges and tangerines volume, banana and other fruit sprayed or the fruit that floods after being used to prevent to gather in the crops rots.But it is excellent to the control efficiency of powdery mildew and anthracnose on melon and fruit, the vegetables to find to press down mould azoles in the last few years.
Cyanogen frost azoles (cyazofamid) is the imidazoles bactericide.Molecular formula is C
L3H
13ClN
4O
2S, chemical name: 4-chloro-2-cyanic acid-5-p-methylphenyl-imidazoles-1-N, N-dimethyl leech acid amides.
Cyanogen frost azoles is the mitochondrial respiratory inhibitor, is the Q among the cytochrome b c1
iInhibitor.It is active to have good protection, and the lasting period is long, and resistance of rainwater washing against also has certain interior suction and therapeutic activity.
No matter be to press down mould azoles, cyanogen frost azoles or other efficient germicides, long-term independent the use makes disease develop immunity to drugs easily, causes the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, and is unfavorable for environment sustainable development.The active ingredient of different effects mechanism is carried out composite, is to delay the disease method commonly used that develops immunity to drugs, and according to the effect in the production application, judge this composite be synergistic effect or antagonism.Complex role is more significantly filled a prescription, and can obviously improve preventive effect, reduces the dosage of agricultural chemicals greatly, also can enlarge fungicidal spectrum, improves germicidal efficiency.It is different with the cyanogen frost azoles mechanism of action to press down mould azoles, and mutual composite have good synergistic effect within the specific limits.And, do not see relevant report at present at home and abroad as yet about pressing down the composite of mould azoles and cyanogen frost azoles.
Summary of the invention
The objective of the invention is to propose a kind ofly have synergistic function, use cost is low, preventive effect is good contains the bactericidal composition that presses down mould azoles and the white azoles of cyanogen.
The present invention realizes through following technical scheme:
A kind of bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains, wherein pressing down mould azoles and cyanogen frost azoles weight ratio is 1～80: 80～1.
The described bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains, the weight ratio that wherein presses down mould azoles and cyanogen frost azoles is 1～60: 60～1.
The described bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains, the weight ratio that wherein presses down mould azoles and cyanogen frost azoles is 5～50: 50～5.
The described bactericidal composition that presses down mould azoles and Flusilazole that contains, the best ratio range that wherein presses down mould azoles and Flusilazole is 10: 1～1: 10.
The described bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains, wherein the effective active component content accounts for 1～90% of gross weight; Be preferably 10～80%.
The described bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains is processed wetting powder, water dispersible granules, suspending agent, aqueous emulsion or microemulsion.
When processing wetting powder, composition comprises following constituent content: press down mould azoles 1～80%, cyanogen frost azoles 1～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
To press down mould azoles, cyanogen frost azoles, dispersant, wetting agent, filler mixing, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, and promptly can be made into and press down mould azoles cyanogen frost azoles wetting powder product.
When processing water dispersible granules, composition comprises following constituent content: press down mould azoles 1～80%, cyanogen frost azoles 1～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, filler 10～90%.
With pressing down mould azoles, cyanogen frost azoles, dispersant, wetting agent, disintegrant, filler etc. obtain needs together through comminution by gas stream particle diameter, obtain the materials of granulating.It is interior through after granulation and the drying to expect that article are quantitatively sent the fluidized bed granulation dryer to, makes to press down mould azoles cyanogen frost azoles water dispersible granules product.
When processing suspending agent, composition comprises following constituent content: press down mould azoles 1～50%, cyanogen frost azoles 1～40%, dispersant 2～10%, wetting agent 2～10%, antifoaming agent 0.1～1%, thickener 0.1～2%, emulsifier 0.5～3%, antifreeze 0.1～8%, deionized water and add to 100%.
Dispersant, wetting agent, antifoaming agent, thickener, antifreeze in the above-mentioned formulation material are mixed through high speed shear; Add and press down mould azoles, cyanogen frost azoles; Ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes to press down mould azoles cyanogen frost azole suspending agent product.
When processing aqueous emulsion, composition comprises following constituent content: press down mould azoles 1～50%, cyanogen frost azoles 1～40%, solvent 1～30%, emulsifier 1～15%, co-emulsifier 0～8%, antifreeze 0～10%, thickener 0.1～2%, antifoaming agent 0.01～2%, deionized water and supply surplus.
Above-mentioned formulation material is mixed, active ingredient, solvent, emulsifier, co-emulsifier are added together, make and be dissolved into even oil phase; Water, antifreeze, thickener, antifoaming agent are mixed, become the homogeneous water.Under high-speed stirred, water is added oil phase, make and press down mould azoles cyazofamid aqueous emulsion product.
Comprise following constituent content when composition is processed microemulsion: press down mould azoles 1～50%, cyanogen frost azoles 1～40%, solvent 1～30%, emulsifier 3～20%, co-emulsifier 0～12%, antifreeze 0～10%, thickener 0.1～2%, antifoaming agent 0.01～2%, stabilizing agent 0～4%, deionized water is supplied surplus.
Be dissolved in the homogenizer that solvent and cosolvent are housed pressing down the former medicine of former medicine of mould azoles and cyanogen frost azoles; Give intense mixing and homogenize after joining emulsifier, stabilizing agent and antifreeze, water in the homogenizer that above-mentioned solution is housed, obtain at last outward appearance as clear as crystal press down mould azoles cyanogen frost azoles microemulsion product.
Described dispersant is selected from polycarboxylate, lignosulfonates, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, in phonetic one or more of polyoxyethylene carboxylate, ester polyoxyethylene.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, the soapberry powder.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, the aluminium chloride.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, the polyethylene glycol.
Described antifoaming agent is selected from: one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, the C8-10 aliphatic alcohols compound.
Described thickener is selected from: one or more in xanthan gum, polyvinyl alcohol, the polyethylene glycol.
Described emulsifier is selected from: farming breast 500
#(alkyl benzene calcium sulfonate), 600
#Phosphate (phenyl phenol polyoxy ethyl ether phosphate), farming breast 400
#(benzyl dimethyl phenol polyoxy ethyl ether), farming breast 600
#(phenyl phenol polyoxy ethyl ether), Nongru-700
#(alkylphenol-formaldehyde resin polyoxy ethyl ether), farming breast 1600
#In (phenethyl phenol polyoxy ethyl polypropylene-base ether), the ethylene oxide-propylene oxide block copolymer one or more.
Described solvent is selected from one or more in toluene, xylol, methyl alcohol, ethanol, acetone, ether, cyclohexanone, vegetable oil, dimethyl formamide, acetonitrile, polyethylene glycol, pyrrolidones, the solvent N-chain alkyl pyrrolidones;
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Composition of the present invention is mainly used in powdery mildew, anthracnose, downy mildew, late blight, the scab of control vegetables and fruit tree.
Beneficial effect of the present invention: (1) present composition effective active composition presses down the bactericide that mould azoles and cyanogen frost azoles belongs to two kinds of different effects mechanism, and both are mixed each other and can produce conflict; (2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single agent, and dosage is little; (3) with an organic solvent dosage is few in the present invention, is difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has special efficacy, scab to powdery mildew, anthracnose, downy mildew, late blight.
Embodiment
The present invention is explained further that the percentage among the embodiment all is weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.
Practice example one and implement the prescription example
Embodiment 1 80% presses down mould azoles cyanogen frost azoles wetting powder
Press down mould azoles 60%, cyanogen frost azoles 20%, polycarboxylate 5%, lauryl sodium sulfate 3%, spaonin powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes 80% and presses down mould azoles cyanogen frost azoles wetting powder.
Embodiment 2 65% presses down mould azoles cyanogen frost azoles wetting powder
Press down mould azoles 50%, cyanogen frost azoles 15%, alkyl benzene sulfonate calcium salt 4%, wetting and penetrating agent F 4%, white carbon 8%, bentonite 19%, mixture carries out comminution by gas stream, makes 65% and presses down mould azoles cyanogen frost azoles wetting powder.
Embodiment 3 50% presses down mould azoles cyanogen frost azoles wetting powder
Press down mould azoles 20%, cyanogen frost azoles 30%, alkyl benzene sulfonate calcium salt 5%, wetting and penetrating agent F 3%, white carbon 15%, kaolin 27%, mixture carries out comminution by gas stream, makes 50% and presses down mould azoles cyanogen frost azoles wetting powder.
Embodiment 4 20% presses down mould azoles cyanogen frost azoles wetting powder
Press down that mould azoles 10%, cyanogen frost azoles 10%, lignosulfonates 5%, tea are withered 3%, white carbon 36%, bentonite 36%, mixture carries out comminution by gas stream, makes 20% and presses down mould azoles cyanogen frost azoles wetting powder.
Embodiment 5 80% presses down mould azoles cyanogen frost azoles water dispersible granules
Press down mould azoles 20%, cyanogen frost azoles 60%, polycarboxylate 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, ammonium sulfate 2%, starch 8%, mixed 80% presses down mould azoles cyanogen frost azoles water dispersible granules.
Embodiment 6 70% presses down mould azoles cyanogen frost azoles water dispersible granules
Press down mould azoles 20%, cyanogen frost azoles 50%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, starch 17%,, mixed 70% presses down mould azoles cyanogen frost azoles water dispersible granules.
Embodiment 7 60% presses down mould azoles cyanogen frost azoles water dispersible granules
Press down that mould azoles 45%, cyanogen frost azoles 15%, alkylphenol-polyethenoxy are phonetic 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, starch 27%,, mixed 60% presses down mould azoles cyanogen frost azoles water dispersible granules.
Embodiment 8 40% presses down mould azoles cyanogen frost azoles water dispersible granules
Press down mould azoles 35%, cyanogen frost azoles 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 5%, DBSA 2%, starch 20%, diatomite 33%, mixed 40% presses down mould azoles cyanogen frost azoles water dispersible granules.
Embodiment 9 43% presses down mould azoles cyanogen frost azole suspending agent
Press down mould azoles 35%, cyanogen frost azoles 8%, alkyl benzene sulfonate calcium salt 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.1%, farming breast 600
#2%, xanthan gum 0.3%, and deionized water adds to 100%, and mixed 43% presses down mould azoles cyanogen frost azole suspending agent.
Embodiment 10 30% presses down mould azoles cyanogen frost azole suspending agent
Press down mould azoles 10%, cyanogen frost azoles 20%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, farming breast 1600
#2%, ethylene glycol 2%, deionized water add to 100%, and mixed 30% presses down mould azoles cyanogen frost azole suspending agent.
Embodiment 11 22% presses down mould azoles cyanogen frost azole suspending agent
Press down mould azoles 20%, cyanogen frost azoles 2%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, farming breast 600
#1%, ethylene glycol 2%, deionized water add to 100%, and mixed 22% presses down mould azoles cyanogen frost azole suspending agent.
Embodiment 12 10% presses down mould azoles cyanogen frost azole suspending agent
Press down mould azoles 5%, cyanogen frost azoles 5%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, farming breast 1600
#1%, glycerine 4%, deionized water add to 100%, and mixed 10% presses down mould azoles cyanogen frost azole suspending agent.
Embodiment 13 48% presses down mould azoles cyazofamid aqueous emulsion
Press down mould azoles 8%, cyanogen frost azoles 40%, ethanol 20%, isobutanol 5%, castor oil polyoxyethylene ether 5%, polyvinyl alcohol 1%, propane diols 5%, lauric acid 0.5%, deionized water adds to 100%, and mixed 48% presses down mould azoles cyazofamid aqueous emulsion.
Embodiment 14 38% presses down mould azoles cyazofamid aqueous emulsion
Press down mould azoles 20%, cyanogen frost azoles 18%, toluene 15%, isobutanol 5%, castor oil polyoxyethylene ether 5%, polyvinyl alcohol 1%, ammonium sulfate 4%, lauric acid 0.5%, deionized water adds to 100%, and mixed 38% presses down mould azoles cyazofamid aqueous emulsion.
Embodiment 15 28% presses down mould azoles cyazofamid aqueous emulsion
Press down mould azoles 10%, cyanogen frost azoles 18%, normal octane 15%, OP-10 phosphate 5%, butanols 5%, polyvinyl alcohol 1%, glycerine 3%, silicone defoaming agent 0.5%, deionized water adds to 100%, and mixed 28% presses down mould azoles cyazofamid aqueous emulsion.
Embodiment 16 16% presses down mould azoles cyazofamid aqueous emulsion
Press down mould azoles 10%, cyanogen frost azoles 6%, n-hexane 15%, OP-10 phosphate 5%, butanols 5%, polyvinyl alcohol 1%, glycerine 3%, silicone defoaming agent 0.5%, deionized water adds to 100%, and mixed 16% presses down mould azoles cyazofamid aqueous emulsion.
Embodiment 17 35% presses down mould azoles cyanogen frost azoles microemulsion
Press down mould azoles 20%, cyanogen frost azoles 15%, cyclohexanone 15%, agricultural newborn 600#10%, isobutanol 5%, xanthans 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, and mixed 35% presses down mould azoles cyanogen frost azoles microemulsion.
Embodiment 18 25% presses down mould azoles cyanogen frost azoles microemulsion
Press down mould azoles 5%, cyanogen frost azoles 20%, glycerine 15%, Nongru-700 #8%, butanols 5%, hydroxyethylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, and mixed 25% presses down mould azoles cyanogen frost azoles microemulsion.
Embodiment 19 20% presses down mould azoles cyanogen frost azoles microemulsion
Press down mould azoles 15%, cyanogen frost azoles 5%, cyclohexanone 15%, phenethyl phenol polyethenoxy ether 10%, butanols 5%, methylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%; Deionized water adds to 100%, and mixed 20% presses down mould azoles cyanogen frost azoles microemulsion.
Embodiment 20 11% presses down mould azoles cyanogen frost azoles microemulsion
Press down mould azoles 1%, cyanogen frost azoles 10%, glycerine 15%, phenethyl phenol polyethenoxy ether 10%, butanols 5%, methylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%; Deionized water adds to 100%, and mixed 11% presses down mould azoles cyanogen frost azoles microemulsion.
Practice example two: it is composite to the powdery mildew of cucumber Toxicity Determination to press down mould azoles and cyanogen frost azoles
Test medicine provides by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation.
After the effective inhibition concentration scope of each medicament was confirmed in prerun, each medicament was established 5 dosage respectively by active constituent content and is handled, and established the clear water contrast.Carry out with reference to " agricultural chemicals indoor bioassay test rule bactericide ", adopt the mycelial growth rate method to measure the virulence of medicament powdery mildew of cucumber.Measure colony diameter with the right-angled intersection method behind the 72h, calculate and respectively handle clean amount of growth, mycelial growth inhibition rate.
Clean amount of growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (mg/L) converts logarithm value (x) to, tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates the EC of every kind of medicament thus
50Value.Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method simultaneously, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect.Computing formula is following:
Wherein: a, b are respectively and press down mould azoles and cyanogen frost azoles shared ratio in combination
A is for pressing down mould azoles
B is a cyanogen frost azoles
Result of the test is as shown in table 1:
Table 1 presses down mould azoles, cyanogen frost azoles and composite toxicity test analysis of results table to powdery mildew of cucumber thereof
Can know by table 1, press down mould azoles, cyanogen frost azoles EC powdery mildew of cucumber
50Be respectively 26.27mg/L and 21.85mg/L.The virulence that presses down mould azoles is lower than the virulence of cyanogen frost azoles.Press down 8: 1,4: 1,2: 1,1: 1,1: 2 synergy ratio of mould azoles and cyanogen frost azoles proportioning and be respectively 1.58,1.87,2.15,1.82,1.58; Explain that pressing down mould azoles is mixed in the scope at 1: 10 to 10: 1 with the white azoles of cyanogen and all shows obvious synergistic effect; Synergy ratio SR maximum when pressing down mould azoles and be 1: 1 with cyanogen frost azoles weight ratio wherein, synergistic effect is the most obvious.
Embodiment uses three and presses down mould azoles and the cyanogen frost azoles and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This EE is Baqiao District in the Xian City, Shanxi Province, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, and contrast medicament 22.2% presses down mould azoles missible oil (commercial), 100g/L cyanogen frost azole suspending agent (commercial).
The preceding investigation of medicine powdery mildew of cucumber disease index, in the their early stage dispenser, dispenser for the second time after 10 days, dispenser is 2 times altogether, investigates disease indexs in 7 days, 15 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
Table 2 presses down mould azoles, cyanogen frost azoles and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | The preparation dosage | 7 days preventive effects (%) behind the medicine for the second time | 15 days preventive effects (%) behind the medicine for the second time |
| 80% presses down mould azoles cyanogen frost azoles wetting powder | 7 gram/mus | ?89.34 | 94.35 |
| 70% presses down mould azoles cyanogen frost azoles water dispersible granules | 8 gram/mus | ?88.45 | 94.40 |
| 43% presses down mould azoles cyanogen frost azole suspending agent | 15 gram/mus | ?89.43 | 94.28 |
| 48% presses down mould azoles cyazofamid aqueous emulsion | 14 gram/mus | ?90.24 | 95.14 |
| 35% presses down mould azoles cyanogen frost azoles microemulsion | 15 gram/mus | ?91.78 | 95.73 |
| 22.2% presses down mould azoles missible oil | 30 gram/mus | ?74.13 | 81.21 |
| 100g/L cyanogen frost azole suspending agent | 15 gram/mus | ?73.57 | 80.29 |
Can be found out that by table 2 press down mould azoles and can effectively prevent and treat powdery mildew of cucumber with the white azoles of cyanogen after composite, control efficiency all is superior to contrasting medicament, the lasting period is long.In the test scope of medication, the target crop is had no adverse effects, and cucumber anthracnose is had preventive effect preferably, preventive effect reaches more than 90%.
Practice example four and press down mould azoles, cyanogen frost azoles and the composite control tomato late blight test of pesticide effectiveness thereof
This EE is suburban area in Luochuan, Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, and contrast medicament 22.2% presses down mould azoles missible oil (commercial), 100g/L cyanogen frost azole suspending agent (commercial).
Investigation tomato late blight state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class number before the medicine, in the their early stage dispenser, dispenser in per 7 days once, dispenser is 3 times altogether, investigates disease index respectively and calculates preventive effect in 7 days, 14 days, 30 days after the dispenser for the third time.Experimental result is as follows:
Table 3 presses down mould azoles, cyanogen frost azoles and the composite control tomato late blight test of pesticide effectiveness thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 15 days preventive effects (%) behind the last medicine |
| 65% presses down mould azoles cyanogen frost azoles wetting powder | 9000 times | 88.38 | 94.14 |
| 60% presses down mould azoles cyanogen frost azoles water dispersible granules | 4000 times | 89.54 | 95.58 |
| 30% presses down mould azoles cyanogen frost azole suspending agent | 3500 times | 88.87 | 93.53 |
| 38% presses down mould azoles cyazofamid aqueous emulsion | 3600 times | 91.94 | 96.58 |
| 25% presses down mould azoles cyanogen frost azoles microemulsion | 3600 times | 88.23 | 93.94 |
| 22.2% presses down mould azoles missible oil | 2000 times | 74.34 | 80.25 |
| 100g/L cyanogen frost azole suspending agent | 3500 times | 75.75 | 81.38 |
Can find out that by table 3 press down mould azoles and can effectively prevent and treat the tomato late blight generation with cyanogen frost azoles after composite, control efficiency all is superior to contrasting medicament, in this test scope of medication, the target crop is had no adverse effects.
Practice example five and press down mould azoles and the cyanogen frost azoles and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
This EE is in area just outside a city gate town, Pucheng County, Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, and contrast medicament 22.2% presses down mould azoles missible oil (commercial), 100g/L cyanogen frost azole suspending agent (commercial).
In the dispenser of pear scab their early stage, dispenser in per 7 days once is total to dispenser 2 times, and investigation disease index before the dispenser was investigated disease index respectively in 7 days, 15 days after the 2nd dispenser, and calculated preventive effect, and result of the test is following:
Table 4 presses down mould azoles and the cyanogen frost azoles and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the medicine for the second time | 15 days preventive effects (%) behind the medicine for the second time |
| 50% presses down mould azoles cyanogen frost azoles wetting powder | 5500 times | ?89.42 | 94.85 |
[0119]
| 40% presses down mould azoles cyanogen frost azoles water dispersible granules | 2800 times | 90.26 | 94.38 |
| 10% presses down mould azoles cyanogen frost azole suspending agent | 2000 times | 90.35 | 93.84 |
| 28% presses down mould azoles cyazofamid aqueous emulsion | 2500 times | 88.54 | 93.50 |
| 20% presses down mould azoles cyanogen frost azoles microemulsion | 2500 times | 88.41 | 93.71 |
| 22.2% presses down mould azoles missible oil | 2000 times | 72.30 | 78.66 |
| 100g/L cyanogen frost azole suspending agent | 3500 times | 74.75 | 80.46 |
Can be found out that by table 4 press down mould azoles, cyanogen frost azoles ability effectively preventing pear scab, control efficiency all is superior to contrasting medicament, dosage is little, in the test scope of medication, the target crop is not had harm.
Embodiment uses six and presses down mould azoles and the cyanogen frost azoles and the composite control Chinese cabbage downy mildew test of pesticide effectiveness thereof
This EE is the Hanzhong City suburb in Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, and contrast medicament 22.2% presses down mould azoles missible oil (commercial), 100g/L cyanogen frost azole suspending agent (commercial).
The preceding investigation of medicine Chinese cabbage downy mildew disease index, in the their early stage dispenser, dispenser for the second time after 10 days, dispenser is 2 times altogether, investigates disease indexs in 7 days, 15 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
Table 5 presses down mould azoles, cyanogen frost azoles and the composite control Chinese cabbage downy mildew test of pesticide effectiveness thereof
| Handle medicament | The preparation dosage | 7 days preventive effects (%) behind the medicine for the second time | 15 days preventive effects (%) behind the medicine for the second time |
| 20% presses down mould azoles cyanogen frost azoles wetting powder | 30 gram/mus | ?91.94 | 96.65 |
| 80% presses down mould azoles cyanogen frost azoles water dispersible granules | 6 gram/mus | ?88.57 | 94.32 |
| 22% presses down mould azoles cyanogen frost azole suspending agent | 28 gram/mus | ?87.29 | 93.64 |
| 16% presses down mould azoles cyazofamid aqueous emulsion | 30 gram/mus | ?89.74 | 95.27 |
| 11% presses down mould azoles cyanogen frost azoles microemulsion | 40 gram/mus | ?98.24 | 94.83 |
| 22.2% presses down mould azoles missible oil | 30 gram/mus | ?72.58 | 79.58 |
| 100g/L cyanogen frost azole suspending agent | 16 gram/mus | ?74.39 | 82.40 |
Can be found out that by table 5 press down mould azoles and can effectively prevent and treat Chinese cabbage downy mildew with the white azoles of cyanogen after composite, control efficiency all is superior to contrasting medicament, the lasting period is long.In the test scope of medication, the target crop is had no adverse effects.
Claims (1)
1. one kind contains the bactericidal composition that presses down mould azoles and cyanogen frost azoles, it is characterized in that the weight ratio that bactericidal composition effective active composition presses down mould azoles and the white azoles of cyanogen is 10:1 ~ 1:10.
2. the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 1, it is characterized in that: wherein the effective active component content accounts for 1～90% of gross weight.
3. the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 2, it is characterized in that: wherein the effective active component content accounts for 10～80% of gross weight.
4. the bactericidal composition that presses down mould azoles and cyanogen frost azoles that contains according to claim 1, it is characterized in that: bactericidal composition is processed wetting powder, water dispersible granules, suspending agent, aqueous emulsion or microemulsion.
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| CN2010101233424A CN101874488B (en) | 2010-03-13 | 2010-03-13 | Bactericide composition containing imazalil and cyazofamid |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167458A (en) * | 2007-11-21 | 2008-04-30 | 张少武 | Bactericide agent composition containing propiconazol effective component and use thereof |
| CN101524070A (en) * | 2009-01-16 | 2009-09-09 | 陕西韦尔奇作物保护有限公司 | Sterilizing composition containing Cyazofamid and Epoxiconazole |
| CN101658177A (en) * | 2009-07-22 | 2010-03-03 | 深圳诺普信农化股份有限公司 | Complex bactericidal composition containing cyazofamid |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167458A (en) * | 2007-11-21 | 2008-04-30 | 张少武 | Bactericide agent composition containing propiconazol effective component and use thereof |
| CN101524070A (en) * | 2009-01-16 | 2009-09-09 | 陕西韦尔奇作物保护有限公司 | Sterilizing composition containing Cyazofamid and Epoxiconazole |
| CN101658177A (en) * | 2009-07-22 | 2010-03-03 | 深圳诺普信农化股份有限公司 | Complex bactericidal composition containing cyazofamid |
Non-Patent Citations (1)
| Title |
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| 杨崇实.易错诊断的几种黄瓜病害及其防治.《农药市场信息》.2006,(第2期),27－30. * |
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