CN101861871A - Sterilization compound containing imazalil and prochloraz - Google Patents
Sterilization compound containing imazalil and prochloraz Download PDFInfo
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- CN101861871A CN101861871A CN 201010116053 CN201010116053A CN101861871A CN 101861871 A CN101861871 A CN 101861871A CN 201010116053 CN201010116053 CN 201010116053 CN 201010116053 A CN201010116053 A CN 201010116053A CN 101861871 A CN101861871 A CN 101861871A
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- prochloraz
- mould azoles
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- azoles
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Abstract
The invention relates to a sterilization compound with synergistic effect; the effective active components of the compound contain imazalil and prochloraz, wherein the weight ratio of the imazalil to the prochloraz is 50 to 1:5 to 80; and after being added with additive and excipient, the effective active components can be prapred into wettable powder, water dispersible granule, suspending agent, aqueous emulsion and microemulsion, and are mainly used for preventing the powdery mildew, the anthracnosis, the ring spot and the leaf spot of 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 Prochloraz 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 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.
Prochloraz (prochloraz): molecular formula is C
15H
16Cl
3N
3O
2, chemical name is N-propyl group-N-[α-(2,4, the 6-Trichlorophenoxy)-1H-imidazoles-1-formamide.
Prochloraz belongs to the imidazoles wide-spectrum bactericide, work by the biosynthesis that suppresses sterol, although it does not have systemic action, have certain conductive performance, bakanae disease of rice, mango anthracnose, oranges and tangerines penicilliosis, banana anthracnose etc. there are the better prevention effect.In soil, note being degraded to volatile metabolite, easily adsorbed, be difficult for to the biological low toxicity in the soil, but the fungi in the soil being had consistent acting on by rain drop erosion by soil particle.
No matter be to press down mould azoles, Prochloraz 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 Prochloraz 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 Prochloraz.
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 Prochloraz.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that presses down mould azoles and Prochloraz that contains, wherein pressing down mould azoles and Prochloraz percentage by weight is 50～1: 5～80.
The described bactericidal composition that presses down mould azoles and Prochloraz that contains, the percentage by weight that wherein presses down mould azoles and Prochloraz is 30～1: 10～70.
The described bactericidal composition that presses down mould azoles and Prochloraz that contains, the percentage by weight that wherein presses down mould azoles and Prochloraz is 20～2: 10～60.
The described bactericidal composition that presses down mould azoles and Prochloraz that contains, the percentage by weight that wherein presses down mould azoles and Prochloraz is 15～5: 20～50.
The described bactericidal composition that presses down mould azoles and Prochloraz 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 1～50%, Prochloraz 5～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
To press down mould azoles, Prochloraz, 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 Prochloraz wetting powder product.
When making water dispersible granules, composition comprises following constituent content: press down mould azoles 1～50%, Prochloraz 5～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler 10～90%.
With pressing down mould azoles, Prochloraz, 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 Prochloraz water dispersible granules product.
When making suspending agent, composition comprises following constituent content: press down mould azoles 1～30%, Prochloraz 5～50%, 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, Prochloraz, ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes to press down mould azoles Prochloraz suspending agent product.
When making aqueous emulsion, composition comprises following constituent content: press down mould azoles 1～30%, Prochloraz 5～50%, 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 prochloraz aqueous emulsion product.
Comprise following constituent content when composition is made microemulsion: press down mould azoles 1～30%, Prochloraz 5～50%, 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 Prochloraz; 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 Prochloraz 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 frost resistance is selected from one or more in ethylene glycol, glycerine, propane diols, glycerine, polyethylene glycol or sorbierite;
Described thickener is selected from one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate or the polyvinyl alcohol;
Described defoamer is selected from silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In the aliphatic alcohols compound one or more;
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 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 Prochloraz 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 one the implementation of Formulation Example
Embodiment 1 80% presses down mould azoles Prochloraz wetting powder
Press down mould azoles 10%, Prochloraz 70%, polycarboxylate 5%, neopelex 3%, spaonin powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes 80% and presses down mould azoles Prochloraz wetting powder.
Embodiment 2 65% presses down mould azoles Prochloraz wetting powder
Press down that mould azoles 15%, Prochloraz 50%, 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 Prochloraz wetting powder.
Embodiment 3 35% presses down mould azoles Prochloraz wetting powder
Press down mould azoles 5%, Prochloraz 30%, lignosulfonates 5%, wetting and penetrating agent F 3%, white carbon 7%, bentonite 50%, mixture carries out comminution by gas stream, makes 35% and presses down mould azoles Prochloraz wetting powder.
Embodiment 4 75% presses down mould azoles Prochloraz water dispersible granules
Press down that mould azoles 15%, Prochloraz 60%, alkylphenol-polyethenoxy are phonetic 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, bentonite 2%, starch 13%, mixed 75% presses down mould azoles Prochloraz water dispersible granules.
Embodiment 5 55% presses down mould azoles Prochloraz water dispersible granules
Press down mould azoles 5%, Prochloraz 50%, 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 Prochloraz water dispersible granules.
Embodiment 6 40% presses down mould azoles Prochloraz water dispersible granules
Press down that mould azoles 20%, Prochloraz 20%, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 20%, diatomite 33%, mixed 40% presses down mould azoles Prochloraz water dispersible granules.
Embodiment 7 48% presses down mould azoles Prochloraz suspending agent
Press down mould azoles 3%, Prochloraz 45%, 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 Prochloraz suspending agent.
Embodiment 8 30% presses down mould azoles Prochloraz suspending agent
Press down mould azoles 20%, Prochloraz 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 Prochloraz suspending agent.
Embodiment 9 10% presses down mould azoles Prochloraz suspending agent
Press down mould azoles 2%, Prochloraz 8%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water and add to 100%, mixed 10% presses down mould azoles Prochloraz suspending agent.
Embodiment 10 45% presses down mould azoles prochloraz aqueous emulsion
Press down mould azoles 5%, Prochloraz 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 prochloraz aqueous emulsion.
Embodiment 11 35% presses down mould azoles prochloraz aqueous emulsion
Press down mould azoles 15%, Prochloraz 20%, 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 prochloraz aqueous emulsion.
Embodiment 12 22% presses down mould azoles prochloraz aqueous emulsion
Press down mould azoles 2%, Prochloraz 20%, 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 22% presses down mould azoles prochloraz aqueous emulsion.
Embodiment 13 36% presses down mould azoles Prochloraz microemulsion
Press down mould azoles 4%, Prochloraz 32%, 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 Prochloraz microemulsion.
Embodiment 14 24% presses down mould azoles Prochloraz microemulsion
Press down mould azoles 6%, Prochloraz 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 Prochloraz microemulsion.
Embodiment 15 15% presses down mould azoles Prochloraz microemulsion
Press down mould azoles 3%, Prochloraz 12%, 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 15% presses down mould azoles Prochloraz microemulsion.
Implementation of an application example two: it is composite to the powdery mildew of cucumber Toxicity Determination to press down mould azoles and Prochloraz
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
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 as follows:
Wherein: a, b are respectively and press down mould azoles and Prochloraz shared ratio in combination
A is for pressing down mould azoles
B is a Prochloraz
Result of the test is as shown in table 1:
Table 1 presses down mould azoles, Prochloraz and composite toxicity test analysis of results table to powdery mildew of cucumber thereof
As shown in Table 1, press down mould azoles, Prochloraz EC to powdery mildew of cucumber
50Be respectively 1.16mg/L and 4.12mg/L.The virulence that presses down mould azoles is lower than the virulence of Prochloraz.Press down mould azoles and 1: 1,1: 4,1: 8,1: 12,1: 16 synergy ratio of Prochloraz proportioning and be respectively 1.60,2.04,2.17,2.06,1.68, illustrate that pressing down mould azoles and Prochloraz was mixed in the scope at 1: 1 to 1: 16 and all shows obvious synergistic effect, synergy ratio SR maximum when pressing down mould azoles and Prochloraz weight ratio and be 1: 8 wherein, synergistic effect is the most obvious.
Embodiment uses three and presses down mould azoles and the Prochloraz and the composite ring rot of apple 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% Prochloraz missible oil (commercial).
Investigation ring rot of apple disease index before the medicine, in the their early stage dispenser, dispenser in per 7 days once, dispenser is 3 times altogether, for the third time 7 days, 15 days investigation disease indexs and calculate preventive effect after the dispenser.Experimental result is as follows:
Table 2 presses down mould azoles, Prochloraz and the composite ring rot of apple test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the medicine for the third time | 15 days preventive effects (%) behind the medicine for the third time |
| 80% presses down mould azoles Prochloraz wetting powder | 20000 times | ?88.31 | ??95.52 |
| 55% presses down mould azoles Prochloraz water dispersible granules | 14000 times | ?87.91 | ??94.62 |
| 30% presses down mould azoles Prochloraz suspending agent | 12000 times | ?92.96 | ??96.33 |
| 45% presses down mould azoles prochloraz aqueous emulsion | 10000 times | ?89.27 | ??95.17 |
| 15% presses down mould azoles Prochloraz microemulsion | 3500 times | ?87.78 | ??90.32 |
| 22.2% presses down mould azoles missible oil | 1500 times | ?74.35 | ??75.85 |
| 25% Prochloraz missible oil | 6500 times | ?73.55 | ??80.84 |
As can be seen from Table 2, press down mould azoles and Prochloraz and can effectively prevent and treat ring rot of apple after composite, 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 apple mildew is had preventive effect preferably.
Implementation of an application example four presses down mould azoles, Prochloraz and the composite powdery mildew of cucumber 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% Prochloraz missible oil (commercial).
Investigation powdery mildew of cucumber 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 is total to dispenser 2 times, investigates disease index respectively and calculates preventive effect in 7 days, 14 days, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 3 presses down mould azoles, Prochloraz 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 last medicine | 14 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| 65% presses down mould azoles Prochloraz wetting powder | 20 gram/mus | ??84.25 | ??93.54 | ??92.22 |
| 40% presses down mould azoles Prochloraz water dispersible granules | 35 gram/mus | ??86.24 | ??94.28 | ??93.64 |
| 48% presses down mould azoles Prochloraz suspending agent | 30 gram/mus | ??84.38 | ??91.72 | ??90.65 |
| 35% presses down mould azoles prochloraz aqueous emulsion | 35 gram/mus | ??86.35 | ??94.22 | ??90.82 |
| 24% presses down mould azoles Prochloraz microemulsion | 42 gram/mus | ??85.94 | ??92.81 | ??90.31 |
| 22.2% presses down mould azoles missible oil | 10 gram/mus | ??68.12 | ??76.45 | ??72.32 |
| 25% Prochloraz missible oil | 75 gram/mus | ??69.27 | ??77.42 | ??72.42 |
As can be seen from Table 3, take place but can effectively prevent and treat powdery mildew of cucumber after mould azoles and Prochloraz are composite, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects, and cucumber anthracnose had good preventive effect, preventive effect all reaches more than 90%.
Implementation of an application example five presses down mould azoles and the Prochloraz 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% Prochloraz missible oil (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 Prochloraz 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 |
| 35% presses down mould azoles Prochloraz wetting powder | 9000 times | ??92.38 | ??95.36 |
| 75% presses down mould azoles Prochloraz water dispersible granules | 12000 times | ??93.28 | ??95.67 |
| 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 |
| 10% presses down mould azoles Prochloraz suspending agent | 1800 times | ??89.52 | ??91.51 |
| 22% presses down mould azoles prochloraz aqueous emulsion | 4000 times | ??88.24 | ??91.72 |
| 36% presses down mould azoles Prochloraz microemulsion | 5000 times | ??93.85 | ??95.92 |
| 22.2% presses down mould azoles missible oil | 1000 times | ??73.55 | ??78.46 |
| 25% Prochloraz missible oil | 6000 times | ??71.75 | ??77.98 |
As can be seen from Table 4, press down mould azoles, Prochloraz 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 Prochloraz, it is characterized in that the percentage by weight that microbicide compositions effective active composition presses down mould azoles and Prochloraz is 50～1: 5～80.
2. the bactericidal composition that presses down mould azoles and Prochloraz that contains according to claim 1 is characterized in that: the percentage by weight that wherein presses down mould azoles and Prochloraz is 30～1: 10～70.
3. the bactericidal composition that presses down mould azoles and Prochloraz that contains according to claim 2 is characterized in that: the percentage by weight that wherein presses down mould azoles and Prochloraz is 20～2: 10～60.
4. the bactericidal composition that presses down mould azoles and Prochloraz 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 Prochloraz is used to prevent and treat vegetables and fruit tree.
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| CN101999390A (en) * | 2010-12-20 | 2011-04-06 | 陕西韦尔奇作物保护有限公司 | Antibacterial composition containing prochloraz and thiocatbamate compounds |
| CN101999390B (en) * | 2010-12-20 | 2013-03-13 | 陕西韦尔奇作物保护有限公司 | Antibacterial composition containing prochloraz and thiocatbamate compounds |
| CN102771493A (en) * | 2011-05-10 | 2012-11-14 | 上海升联化工有限公司 | Fungicide composition containing prochloraz and imazalil, and application thereof |
| CN103271144A (en) * | 2013-06-04 | 2013-09-04 | 浙江大学 | Compound chemical bactericide for control of postharvest diseases of fruits |
| CN103271144B (en) * | 2013-06-04 | 2014-10-29 | 浙江大学 | Compound chemical bactericide for control of postharvest diseases of fruits |
| CN103271145A (en) * | 2013-06-06 | 2013-09-04 | 浙江大学 | Low-dosage chemical bactericide used for controlling postharvest diseases of fruits |
| CN103271145B (en) * | 2013-06-06 | 2014-11-05 | 浙江大学 | Low-dosage chemical bactericide used for controlling postharvest diseases of fruits |
| CN104082331A (en) * | 2014-07-28 | 2014-10-08 | 江苏省绿盾植保农药实验有限公司 | Thiabendazole and prochloraz compounded bactericide and application thereof |
| CN104082331B (en) * | 2014-07-28 | 2016-04-06 | 江苏丘陵地区镇江农业科学研究所 | A kind of bactericide and application thereof containing probenazole and Prochloraz |
| CN104522030A (en) * | 2014-12-18 | 2015-04-22 | 广西田园生化股份有限公司 | Compound composition containing 2-(p-fluorophenyl)-5-methanesulfonyl-1,3,4-oxadiazole and imidazole bactericides and preparation |
| CN105766979A (en) * | 2014-12-26 | 2016-07-20 | 陈淑琴 | Fungicide for preventing and treating powdery mildew of astragali and preparing method of fungicide |
| CN112120021A (en) * | 2020-09-30 | 2020-12-25 | 浙江农林大学 | Compound type slow-release algae removal microcapsule and preparation method thereof |
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