CN101889573A - Sterilizing composite with imazaril and azoxystrobin - Google Patents
Sterilizing composite with imazaril and azoxystrobin Download PDFInfo
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- CN101889573A CN101889573A CN 201010115903 CN201010115903A CN101889573A CN 101889573 A CN101889573 A CN 101889573A CN 201010115903 CN201010115903 CN 201010115903 CN 201010115903 A CN201010115903 A CN 201010115903A CN 101889573 A CN101889573 A CN 101889573A
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Abstract
The invention relates to a sterilizing composite with synergy, the effective active ingredient of which contains imazaril and azoxystrobin in the weight ratio of 1-80:80-1. Accessory ingredient and excipients are added into the effective active ingredient to prepare into wettable powders, water dispersible granules, suspending agents, emulsion in water and microemulsion which are mainly used for preventing and treating powdery mildew, anthracnose, ring spot and leaf spot for vegetables and fruit trees.
Description
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 Fluoxastrobin that contain.
Background technology
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 found to press down the control efficiency excellence of mould azoles in the last few years to powdery mildew and anthracnose on melon and fruit, the vegetables.
Fluoxastrobin (azoxystrobin) is the heterocyclic nitrogen-group fungicide of Britain ICI company exploitation.Molecular formula: C
24H
17N
3O
5, chemical name: (E)-2-{2-[6 (2-cyano-benzene oxygen) pyrimidine-4-base oxygen] phenyl }-the 3-methoxy acrylate.
Fluoxastrobin belongs to the mitochondrial respiratory inhibitor, promptly passes through to shift to the electronics of cromoci at cytochrome B cl, thereby suppresses mitochondrial breathing.The bacterial strain that 14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole is produced resistance is effective.Have protection, root out, infiltration, systemic activity.Suppress spore germination and mycelial growth and produce spore always.
No matter be to press down mould azoles, Fluoxastrobin or other efficient germicides, long-term use separately 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 the different mechanisms of action 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 Fluoxastrobin 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 Fluoxastrobin.
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 Fluoxastrobin.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that presses down mould azoles and Fluoxastrobin that contains, wherein pressing down mould azoles and Fluoxastrobin percentage by weight is 80 ~ 1 ︰ 1 ~ 80.
The described bactericidal composition that presses down mould azoles and Fluoxastrobin that contains, the percentage by weight that wherein presses down mould azoles and Fluoxastrobin is 65 ~ 5 ︰ 5 ~ 65.
The described bactericidal composition that presses down mould azoles and Fluoxastrobin that contains, the percentage by weight that wherein presses down mould azoles and Fluoxastrobin is 50 ~ 5 ︰ 5 ~ 50.
The described bactericidal composition that presses down mould azoles and Fluoxastrobin that contains, the percentage by weight that wherein presses down mould azoles and Fluoxastrobin is 40 ~ 8 ︰ 8 ~ 40.
The described bactericidal composition that presses down mould azoles and Fluoxastrobin that contains is made wetting powder, water dispersible granules, aqueous emulsion, microemulsion or suspending agent.
When making wetting powder, composition comprises following constituent content: press down mould azoles 1 ~ 80%, Fluoxastrobin 1 ~ 80%, dispersant 5 ~ 10%, wetting agent 2 ~ 10%, filler 8 ~ 90%.
To press down mould azoles, Fluoxastrobin, 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 Fluoxastrobin wetting powder product.
When making water dispersible granules, composition comprises following constituent content: press down mould azoles 1 ~ 80%, Fluoxastrobin 1 ~ 80%, dispersant 3 ~ 12%, wetting agent 1 ~ 8%, disintegrant 1 ~ 10%, binding agent 1 ~ 8%, filler 10 ~ 90%.
With pressing down mould azoles, Fluoxastrobin, dispersant, wetting agent, disintegrant, filler etc. obtain needs together through comminution by gas stream particle diameter, add other auxiliary agents such as binding agent again, obtain the materials of granulating.It is interior through after granulation and the drying to expect that product are quantitatively sent the fluidized bed granulation dryer to, makes and presses down mould azoles azoxystrobin water dispersible granule product.
When making suspending agent, composition comprises following constituent content: press down mould azoles 1 ~ 50%, Fluoxastrobin 1 ~ 50%, dispersant 2 ~ 10%, wetting agent 2 ~ 10%, defoamer 0.1 ~ 1%, thickener 0.1 ~ 2%, antifreeze 0.1 ~ 8%, deionized water and add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in the above-mentioned formulation material are mixed through high speed shear, add and press down mould azoles, Fluoxastrobin, ball milling is 2 ~ 3 hours in ball mill, makes diameter of particle all below 5 μ m, makes to press down mould azoles Fluoxastrobin suspending agent product.
When making aqueous emulsion, composition comprises following constituent content: press down mould azoles 1 ~ 50%, Fluoxastrobin 1 ~ 50%, solvent 1 ~ 30%, emulsifier 1 ~ 15%, co-emulsifier 0 ~ 8%, antifreeze 0 ~ 10%, thickener 0.1 ~ 2%, defoamer 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, defoamer are mixed, become the homogeneous water.Under high-speed stirred, water is added oil phase, make and press down mould azoles azoxystrobin water emulsion product.
Comprise following constituent content when composition is made microemulsion: press down mould azoles 1 ~ 50%, Fluoxastrobin 1 ~ 50%, solvent 1 ~ 30%, emulsifier 3 ~ 20%, co-emulsifier 0 ~ 12%, antifreeze 0 ~ 10%, thickener 0.1 ~ 2%, defoamer 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 former medicine of mould azoles and the former medicine of Fluoxastrobin; Mix strongly after joining emulsifier, stabilizing agent and antifreeze, water in the homogenizer that above-mentioned solution is housed and homogenize, obtain at last outward appearance as clear as crystal press down mould azoles Fluoxastrobin microemulsion product.
Described solvent is selected from one or more in toluene, dimethylbenzene, methyl alcohol, ethanol, acetone, ether, cyclohexanone, vegetable oil, dimethyl formamide, acetonitrile, polyethylene glycol, pyrrolidones, the solvent N-chain alkyl pyrrolidones;
Described emulsifier is selected from one or more among alkyl benzene sulfonate calcium salt, styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, phenethyl phenol polyethenoxy ether, 506#, 600#, 700#, NP-10 phosphate, OP-10 phosphate, castor oil polyoxyethylene ether, sorbester p17, Tween 80, the 602#;
Described co-emulsifier is one or more in butanols, isobutanol, dodecanol-1, tetradecanol-1, the octadecanol-1;
Described stabilizing agent is selected from one or more in sodium sorbate, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, the polyethylene glycol diglycidyl ether;
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 binding agent is selected from: one or more in gum Arabic, white dextrin, methylcellulose, PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol, the polyvinyl alcohol.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, the polyethylene glycol.
Described defoamer 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 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, ring spot, the gray mold of control vegetables and cereal crop.
Beneficial effect of the present invention: (1) present composition effective active composition presses down the bactericide that mould azoles and Fluoxastrobin belong to two kinds of different mechanisms of action, and both are mixed mutually 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) the present invention is with an organic solvent few, is difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has special efficacy to powdery mildew, anthracnose, ring spot, the gray mold of vegetables and fruit tree.
Embodiment
To further instruction of the present invention, 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.Pass through Toxicity Determination earlier, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect, on this basis, carry out field trial again.
Implementation of an application example oneThe implementation of Formulation Example
Embodiment 180% presses down mould azoles Fluoxastrobin wetting powder
Press down mould azoles 65%, Fluoxastrobin 15%, polycarboxylate 5%, neopelex 3%, spaonin powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes 80% and presses down mould azoles Fluoxastrobin wetting powder.
Embodiment 265% presses down mould azoles Fluoxastrobin wetting powder
Press down that mould azoles 30%, Fluoxastrobin 35%, lignosulfonates 4%, tea are withered 4%, white carbon 8%, kaolin 19%, mixture carries out comminution by gas stream, makes 65% and presses down mould azoles Fluoxastrobin wetting powder.
Embodiment 355% presses down mould azoles Fluoxastrobin wetting powder
Press down mould azoles 5%, Fluoxastrobin 50%, lignosulfonates 5%, wetting and penetrating agent F 3%, white carbon 7%, bentonite 30%, mixture carries out comminution by gas stream, makes 55% and presses down mould azoles Fluoxastrobin wetting powder.
Embodiment 475% presses down mould azoles azoxystrobin water dispersible granule
Press down that mould azoles 10%, Fluoxastrobin 65%, alkylphenol-polyethenoxy are phonetic 3%, lignosulfonates 3 %, lauryl sodium sulfate 4%, bentonite 2%, starch 13%, mixed 75% presses down mould azoles azoxystrobin water dispersible granule.
Embodiment 555% presses down mould azoles azoxystrobin water dispersible granule
Press down mould azoles 50%, Fluoxastrobin 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, starch 17%, kaolin 15%, mixed 55% presses down mould azoles azoxystrobin water dispersible granule.
Embodiment 640% presses down mould azoles azoxystrobin water dispersible granule
Press down that mould azoles 35%, Fluoxastrobin 5%, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 20%, diatomite 33%, mixed 40% presses down mould azoles azoxystrobin water dispersible granule.
Embodiment 748% presses down mould azoles Fluoxastrobin suspending agent
Press down mould azoles 40%, Fluoxastrobin 8%, polycarboxylate 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.1%, polyvinyl alcohol 0.3%, deionized water adds to 100%, and mixed 48% presses down mould azoles Fluoxastrobin suspending agent.
Embodiment 830% presses down mould azoles Fluoxastrobin suspending agent
Press down mould azoles 20%, Fluoxastrobin 10%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, ethylene glycol 2%, deionized water and add to 100%, mixed 30% presses down mould azoles Fluoxastrobin suspending agent.
Embodiment 911% presses down mould azoles Fluoxastrobin suspending agent
Press down mould azoles 1%, Fluoxastrobin 10%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water and add to 100%, mixed 11% presses down mould azoles Fluoxastrobin suspending agent.
Embodiment 1045% presses down mould azoles azoxystrobin water emulsion
Press down mould azoles 5%, Fluoxastrobin 40%, methyl alcohol 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 45% presses down mould azoles azoxystrobin water emulsion.
Embodiment 1135% presses down mould azoles azoxystrobin water emulsion
Press down mould azoles 13%, Fluoxastrobin 22%, dimethylbenzene 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 35% presses down mould azoles azoxystrobin water emulsion.
Embodiment 1220% presses down mould azoles azoxystrobin water emulsion
Press down mould azoles 10%, Fluoxastrobin 10%, cyclohexanone 15%, OP-10 phosphate 5%, butanols 5%, polyvinyl alcohol 1%, glycerine 3%, silicone defoaming agent 0.5%, deionized water adds to 100%, and mixed 20% presses down mould azoles azoxystrobin water emulsion.
Embodiment 1336% presses down mould azoles Fluoxastrobin microemulsion
Press down mould azoles 6%, Fluoxastrobin 30%, 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 36% presses down mould azoles Fluoxastrobin microemulsion.
Embodiment 1424% presses down mould azoles Fluoxastrobin microemulsion
Press down mould azoles 6%, Fluoxastrobin 18%, cyclohexanone 15%, Nongru-700 # 8%, butanols 5%, hydroxyethylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, and mixed 24% presses down mould azoles Fluoxastrobin microemulsion.
Embodiment 1516% presses down mould azoles Fluoxastrobin microemulsion
Press down mould azoles 8%, Fluoxastrobin 8%, 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 16% presses down mould azoles Fluoxastrobin microemulsion.
Implementation of an application example two: press down mould azoles and azoxystrobin compound to the powdery mildew of cucumber Toxicity Determination
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 determined 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
The clean amount of growth of the clean amount of growth-processed group of control group
Mycelial growth inhibition rate (%)=---------------* 100
The clean amount of growth of control group
Mycelial growth inhibition rate is converted into probit value (y), liquor strength (
Mg/L) convert logarithm value (x) to, try to achieve virulence regression equation (y=a+bx) with method of least squares, and calculate 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 as follows:
EC
50(theoretical value)
SR=————————
EC
50(observed value)
a?+?b
EC
50(theoretical value)=------------
a b
————?+?————
The EC of A
50The EC of B
50
Wherein: a, b are respectively and press down mould azoles and Fluoxastrobin shared ratio in combination
A is for pressing down mould azoles
B is a Fluoxastrobin
Result of the test is as shown in table 1:
As shown in Table 1, press down mould azoles, Fluoxastrobin EC to powdery mildew of cucumber
50Be respectively 1.54mg/L and 1.61mg/L.The virulence that presses down mould azoles is lower than the virulence of Fluoxastrobin.The synergy ratio that presses down mould azoles and Fluoxastrobin proportioning 10 ︰ 1,5 ︰ 1,1 ︰ 1,1 ︰ 5,1 ︰ 10 is respectively 1.76,2.15,2.64,1.95,1.70, illustrate that pressing down mould azoles and Fluoxastrobin is mixed and all shows obvious synergistic effect in 10 ︰, 1 to 1 ︰, 10 scopes, synergy ratio SR maximum when pressing down mould azoles and Fluoxastrobin weight ratio and be 1 ︰ 1 wherein, synergistic effect is the most obvious.
Embodiment uses threePress down mould azoles and the Fluoxastrobin and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in suburb, Dali 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), 25% Fluoxastrobin suspending agent (commercial).
Investigation powdery mildew of cucumber disease index before the medicine, in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, 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, Fluoxastrobin and the composite powdery mildew of cucumber 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 |
| 80% presses down mould azoles Fluoxastrobin wetting powder | 8000 times | 89.31 | 95.52 |
| 55% presses down mould azoles azoxystrobin water dispersible granule | 6000 times | 88.91 | 94.02 |
| 30% presses down mould azoles Fluoxastrobin suspending agent | 3000 times | 91.96 | 96.13 |
| 45% presses down mould azoles azoxystrobin water emulsion | 4000 times | 89.25 | 95.13 |
| 16% presses down mould azoles Fluoxastrobin microemulsion | 2500 times | 87.33 | 94.82 |
| 22.2% presses down mould azoles missible oil | 1500 times | 72.32 | 75.81 |
| 25% Fluoxastrobin suspending agent | 1800 times | 75.37 | 81.46 |
As can be seen from Table 2, but can effectively prevent and treat powdery mildew of cucumber behind mould azoles and the azoxystrobin compound, control efficiency all is better than contrasting medicament, and 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.
Implementation of an application example fourPress down mould azoles, Fluoxastrobin and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is at the Xian City, Shanxi Province Baqiao District, 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), 25% Fluoxastrobin suspending agent (commercial).
Investigation apple mildew 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, Fluoxastrobin and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | The preparation dosage | 7 days preventive effects (%) behind the last medicine | 14 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| 65% presses down mould azoles Fluoxastrobin wetting powder | 10 gram/mus | 85.21 | 93.54? | 92.72 |
| 40% presses down mould azoles azoxystrobin water dispersible granule | 14 gram/mus | 86.24 | 94.28? | 93.64 |
| 48% presses down mould azoles Fluoxastrobin suspending agent | 12 gram/mus | 85.72 | 92.67? | 90.24 |
| 35% presses down mould azoles azoxystrobin water emulsion | 18 gram/mus | 86.55 | 94.92 | 90.82 |
| 24% presses down mould azoles Fluoxastrobin microemulsion | 22 gram/mus | 85.75 | 92.85 | 90.61 |
| 22.2% presses down mould azoles missible oil | 12 gram/mus | 70.12 | 76.85 | 72.38 |
| 25% Fluoxastrobin suspending agent | 10 gram/mus | 74.27 | 81.46 | 73.41 |
As can be seen from Table 3, can effectively prevent and treat the apple mildew generation after pressing down mould azoles and azoxystrobin compound, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects, and ring rot of apple had good preventive effect, preventive effect all reaches more than 90%.
Implementation of an application example fivePress down mould azoles and the Fluoxastrobin and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in the Fuping 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), 25% Fluoxastrobin suspending agent (commercial).
In the dispenser of sigatoka their early stage, dispenser in per 7 days once is total to dispenser 3 times, and the investigation disease index was investigated disease index respectively in 10 days, 20 days after the 3rd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is as follows:
Table 4 presses down mould azoles and the Fluoxastrobin and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 10 days preventive effects (%) behind the medicine for the third time | 20 days preventive effects (%) behind the medicine for the third time |
| 55% presses down mould azoles Fluoxastrobin wetting powder | 6500 times | 92.38 | 95.36 |
| 75% presses down mould azoles azoxystrobin water dispersible granule | 8000 times | 93.28 | 95.67 |
| 11% presses down mould azoles Fluoxastrobin suspending agent | 1000 times | 89.52 | 93.51 |
| 20% presses down mould azoles azoxystrobin water emulsion | 2500 times | 90.84 | 94.74 |
| 36% presses down mould azoles Fluoxastrobin microemulsion | 4000 times | 93.85 | 95.92 |
| 22.2% presses down mould azoles missible oil | 1000 times | 72.55 | 77.46 |
| 25% Fluoxastrobin suspending agent | 1500 times | 74.32 | 80.98 |
As can be seen from Table 4, press down mould azoles, Fluoxastrobin energy effectively preventing sigatoka, control efficiency all is better than contrasting medicament, and dosage is little, in the test scope of medication target crop is not had harm.
Claims (5)
1. one kind contains the bactericidal composition that presses down mould azoles and Fluoxastrobin, it is characterized in that the percentage by weight that microbicide compositions effective active composition presses down mould azoles and Fluoxastrobin is 1 ~ 80 ︰ 80 ~ 1.
2. the bactericidal composition that presses down mould azoles and Fluoxastrobin that contains according to claim 1 is characterized in that: the percentage by weight that wherein presses down mould azoles and Fluoxastrobin is 65 ~ 5 ︰ 5 ~ 65.
3. the bactericidal composition that presses down mould azoles and Fluoxastrobin that contains according to claim 2 is characterized in that: the percentage by weight that wherein presses down mould azoles and Fluoxastrobin is 50 ~ 5 ︰ 5 ~ 50.
4. the bactericidal composition that presses down mould azoles and Fluoxastrobin that contains according to claim 1, it is characterized in that: microbicide compositions is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion and microemulsion.
5. according to claim 1 containing but powdery mildew, anthracnose, ring spot, leaf spot that the bactericidal composition of mould azoles and Fluoxastrobin is used to prevent and treat vegetables and fruit tree.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875674A (en) * | 2014-04-01 | 2014-06-25 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
| CN115211460A (en) * | 2022-06-09 | 2022-10-21 | 凡美(广州)农业科技有限公司 | Preservative for oranges |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150566A1 (en) * | 1999-02-12 | 2001-11-07 | Aventis Cropscience S.A. | Fungicide compositions for protecting fruits |
| CN1455641A (en) * | 2000-09-12 | 2003-11-12 | 辛根塔参与股份公司 | Fungicidal compositions |
-
2010
- 2010-03-02 CN CN 201010115903 patent/CN101889573B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150566A1 (en) * | 1999-02-12 | 2001-11-07 | Aventis Cropscience S.A. | Fungicide compositions for protecting fruits |
| CN1455641A (en) * | 2000-09-12 | 2003-11-12 | 辛根塔参与股份公司 | Fungicidal compositions |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875674A (en) * | 2014-04-01 | 2014-06-25 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
| CN103875674B (en) * | 2014-04-01 | 2015-06-24 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
| CN115211460A (en) * | 2022-06-09 | 2022-10-21 | 凡美(广州)农业科技有限公司 | Preservative for oranges |
| CN115211460B (en) * | 2022-06-09 | 2024-05-24 | 凡美(广州)农业科技有限公司 | Preservative for citrus |
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