CN102165951A - Effect-enhancing sterilization composition containing dithianon - Google Patents

Effect-enhancing sterilization composition containing dithianon Download PDF

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CN102165951A
CN102165951A CN2010105836524A CN201010583652A CN102165951A CN 102165951 A CN102165951 A CN 102165951A CN 2010105836524 A CN2010105836524 A CN 2010105836524A CN 201010583652 A CN201010583652 A CN 201010583652A CN 102165951 A CN102165951 A CN 102165951A
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dithianon
metalaxyl
propamocarb
weight ratio
bactericidal composition
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张伟
曹巧利
高超
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Shaanxi Welch Crop Protection Co Ltd
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Shaanxi Welch Crop Protection Co Ltd
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Abstract

The invention relates to a sterilization composition with a synergistic effect-enhancing function, which contains effective active ingredients A and B, wherein A is selected from dithianon, B is selected from cyazofamid, oxadixyl, metalaxyl (refined), iprovalicarb, fosetyl aluminum, propamocarb and salt, the weight ratio of the effective active ingredient A to the effective active ingredient B is 2-78:2-78, and a promoter and an excipient are added in the effective active ingredients to prepare wettable powder, water dispersible granules, a suspending agent and suspension emulsion. The sterilization composition is mainly used for preventing and treating downy mildew, epidemic disease, apple scab, anthracnose, alternaria leaf spot and leaf spot, is resistant to rain washing, and has obvious effect-enhancing function.

Description

A kind of Synergistic bactericidal composition that contains dithianon
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on crop pest that contains dithianon and effective active composition B.
Technical background
Dithianon (dithianon) is the bactericide of BASF European Co.,Ltd's exploitation, and pure product are dark-brown crystalloid solid.Molecular formula is C 14H 4N 2O 2S 2, chemical name is: 2, and 3-dinitrile-1, the 4-anthraquinone dithio, structural formula is:
Figure BDA0000037592070000011
Dithianon has multiaction mechanism, and to suppress a series of fungies mould by breathing with sulfur-containing group reaction and interference cell, causes disease death at last, when tool is well protected activity, certain therapeutic activity arranged also.Be used to prevent and treat all fruit diseases such as scab, mildew disease, leaf spot, rust, anthracnose, downy mildew, brown rot.
No matter be dithianon, effective active composition B or other efficient germicides, long-term use separately makes disease develop immunity to drugs easily, causes problems such as dosage increasing, preventive effect reduction, lasting period shortening, 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, alleviates the pollution to environment.Dithianon is different with the effective active composition B mechanism of action, mutually composite have good synergistic effect within the specific limits, wherein Metalaxyl-M is the R isomer of common metalaxyl, and relevant composite about the spirit of dithianon and cyanogen frost Zuo, Evil frost, metalaxyl (essence), iprovalicarb, phosethyl-Al, Propamocarb and salt thereof do not see relevant report at present at home and abroad as yet.
Summary of the invention
The objective of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good bactericidal composition that contains dithianon and effective active composition B.
The present invention is achieved through the following technical solutions:
A kind of Synergistic bactericidal composition that contains dithianon, it is characterized in that: the weight ratio of A, two kinds of active components of B is 2~78: 2~78, described A component is a dithianon, and the B component is selected from a kind of of the spirit of cyanogen frost Zuo, Evil frost, metalaxyl (essence), iprovalicarb, phosethyl-Al, Propamocarb and salt thereof.
Described contain dithianon and Synergistic bactericidal composition, it is characterized in that: wherein the weight ratio of dithianon and effective active composition B is 5~60: 5~75.
The described bactericidal composition that contains dithianon and cyanogen frost azoles, it is characterized in that: wherein the weight ratio of dithianon and cyanogen frost azoles is 10~40: 10~50.
Describedly contain dithianon Yu the bactericidal composition of Evil frost spirit is characterized in that: wherein dithianon is Yu the weight ratio of Evil frost spirit is 10~40: 10~50.
The described bactericidal composition that contains dithianon and metalaxyl (essence), it is characterized in that: wherein the weight ratio of dithianon and metalaxyl (or Metalaxyl-M) is 10~40: 10~50.
The described bactericidal composition that contains dithianon and iprovalicarb is characterized in that: wherein the weight ratio of dithianon and iprovalicarb is 10~50: 10~30.
The described bactericidal composition that contains dithianon and phosethyl-Al is characterized in that: wherein the weight ratio of dithianon and phosethyl-Al is 10~40: 20~50.
The described bactericidal composition that contains dithianon and Propamocarb (and salt), it is characterized in that: wherein the weight ratio of dithianon and Propamocarb (and salt) is 10~40: 20~50.
The described bactericidal composition that contains dithianon, wherein the effective active component content accounts for 1~95% of gross weight, is preferably 20~80%.
The described bactericidal composition that contains dithianon is made wetting powder, water dispersible granules, suspending agent or suspension emulsion.
When making wetting powder, composition comprises following constituent content: dithianon 2~78%, effective active composition B 2~78%, dispersant 3~10%, wetting agent 2~10%, filler 8~91%.
Dithianon, effective active composition B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into dithianon effective active composition B wetting powder product.
When making water dispersible granules, composition comprises following constituent content: dithianon 2~78%, effective active composition B2~78%, dispersant 3~12%, wetting agent 1~8%, disintegrant 1~10%, filler 8~91%.
Dithianon, effective active composition B, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, 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 dithianon effective active composition B water dispersible granules product.
Comprise following constituent content when composition is made suspending agent: dithianon 1~30%, active ingredient B1~30%, dispersant 2~10%, wetting agent 2~10%, defoamer 0.1~1%, thickener 0.1~2%, antifreeze 0~8%, stabilizing agent 0%~3%, deionized water add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in the above-mentioned formulation material are mixed through high speed shear, dithianon, adding active ingredient B, ball milling is 2~3 hours in ball mill, makes diameter of particle all below 5 μ m, makes dithianon active ingredient B suspending agent product.
Comprise following constituent content when composition is made suspension emulsion: dithianon 1~30%, effective active composition B1~30%, emulsifier 2~12%, dispersant 2~10%, defoamer 0.1~2%, thickener 0.1~2%, antifreeze 0.1~8%, stabilizing agent 0.05~3%, water add to 100%.
Dispersant, defoamer, thickener, antifreeze, stabilizing agent in the above-mentioned formulation material are mixed through high speed shear, add the former medicine of dithianon, ball milling is 2~3 hours in ball mill, make diameter of particle all below 5 μ m, make the dithianon suspending agent, then with the former medicine of effective active composition B, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make dithianon effective active composition B suspension emulsion.
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: gum Arabic, one or more in paste or Metalaxyl-M, methylcellulose, PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol, the polyvinyl alcohol in vain;
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 polyvinyl alcohol, the polyethylene glycol;
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 emulsifier is selected from: agricultural newborn 500# (alkyl benzene calcium sulfonate), OP series phosphate (polyoxyethylene nonylphenol ether phosphate), 600# phosphate (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, farming newborn 400# (benzyl dimethyl phenol polyoxy ethyl ether), farming newborn 600# (phenyl phenol polyoxy ethyl ether), Nongru-700 # (alkylphenol-formaldehyde resin polyoxy ethyl ether), farming newborn 36# (phenethyl fluosite polyoxy ethyl ether), farming newborn 1600# (phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), farming newborn 33# (alkylaryl polyoxyethylene polyoxypropylene ether), farming newborn 34# (alkylaryl polyoxyethylene poly-oxygen propylene aether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), in the AEO series (the pure APEO of fat) 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 filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Beneficial effect of the present invention: (1) present composition effective active composition dithianon and effective active composition B belong to the bactericide of 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 not with an organic solvent is not difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has enlarged fungicidal spectrum, and diseases such as crop downy mildew, eqpidemic disease, scab, anthracnose, spot defoliation, leaf spot are all had special efficacy.
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.
Application Example one
Example 1 50% dithianon cyanogen frost azoles wetting powder
Dithianon 40%, cyanogen frost azoles 10%, alkyl benzene sulfonate calcium salt 10%, wetting and penetrating agent F 6%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 50% dithianon cyanogen frost azoles wetting powder.
Example 2 70% dithianon cyanogen frost azoles wetting powder
Dithianon 20%, cyanogen frost azoles 50%, lignosulfonates 6%, polyoxyethylene carboxylate 2%, Nekal BX 5%, diatomite add to 100%, and mixture carries out comminution by gas stream, make 70% dithianon cyanogen frost azoles wetting powder.
Example 3 48% dithianon cyanogen frost azoles water dispersible granules
Dithianon 32%, cyanogen frost azoles 16%, silkworm excrement 5%, two (alkyl) naphthalenesulfonate formaldehyde condensation compound 8%, aluminium chloride 0.8%, bentonite add to 100%, the mixed 48% dithianon cyanogen frost azoles water dispersible granules that gets.
Example 4 65% dithianon cyanogen frost azoles water dispersible granules
Dithianon 5%, cyanogen frost azoles 60%, soapberry powder 3%, polycarboxylate 8%, neopelex 2%, ammonium sulfate 1%, bentonite add to 100%, the mixed 65% dithianon cyanogen frost azoles water dispersible granules that gets.
Example 5 20% dithianon cyanogen frost azole suspending agent
Dithianon 10%, cyanogen frost azoles 10%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 6%, neopelex 2%, spaonin powder 2%, silicone compound 0.2%, polyvinylpyrrolidone 1%, polyethylene glycol 2%, deionized water add to 100%, the mixed 20% dithianon cyanogen frost azole suspending agent that gets.
Example 6 36% dithianon cyanogen frost azole suspending agent
Dithianon 24%, cyanogen frost azoles 12%, polyoxyethylene carboxylate 7%, wetting and penetrating agent F 6%, silicone oil 0.4%, xanthans 0.8%, ethylene glycol 2%, deionized water add to 100%, the mixed 36% dithianon cyanogen frost azole suspending agent that gets.
The clever wetting powder of example 7 55% dicyan En Kun Evil frost
Dithianon 5%, Evil frost spirit 50%, polycarboxylate 8%, soapberry powder 7%, attapulgite add to 100%, and mixture carries out comminution by gas stream, make the clever wetting powder of 55% dicyan En Kun Evil frost.
The clever wetting powder of example 8 80% dicyan En Kun Evil frost
Dithianon 2%, Evil frost spirit 78%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8%, Nekal BX 6%, white carbon add to 100%, and mixture carries out comminution by gas stream, make the clever wetting powder of 80% dicyan En Kun Evil frost.
Example 9 40% dicyan En Kun Evil frost Lingshui Spring dispersible granule
Dithianon 20%, Evil frost spirit 20%, polycarboxylate 8%, neopelex 6%, urea 0.5%, starch 15%, diatomite add to 100%, the mixed 40% dicyan En Kun Evil frost Lingshui Spring dispersible granule that gets.
Example 10 50% dicyan En Kun Evil frost Lingshui Spring dispersible granule
Dithianon 40%, Evil frost spirit 10%, alkyl benzene sulfonate calcium salt 10%, Nekal BX 6%, aluminium chloride 1%, bentonite add to 100%, the mixed 50% dicyan En Kun Evil frost Lingshui Spring dispersible granule that gets.
The clever suspending agent of example 11 32% dicyan En Kun Evil frost
Dithianon 24%, Evil frost spirit 8%, lignosulfonates 8%, lauryl sodium sulfate 2%, soapberry powder 3%, C 8~10Aliphatic alcohols 0.4%, methylcellulose 1%, polyethylene glycol 3%, deionized water add to 100%, the mixed clever suspending agent of 32% dicyan En Kun Evil frost that gets.
The clever suspending agent of example 12 48% dicyan En Kun Evil frost
Dithianon 12%, Evil frost spirit 36%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 7%, spaonin powder 6%, silicone compound 0.6%, gum Arabic 1%, ethylene glycol 2%, deionized water add to 100%, the mixed clever suspending agent of 48% dicyan En Kun Evil frost that gets.
The clever suspension emulsion of example 13 10% dicyan En Kun Evil frost
Dithianon 5%, Evil frost spirit 5%, alkyl benzene sulfonate calcium salt 8%, neopelex 5%, C 10~20Saturated fat acids 1%, triphenyl phosphite 3%, xanthans 0.8%, OP series phosphate 4%, polyethylene glycol 4%, water add to 100%, and the aforementioned formula material is mixed, and promptly make the clever suspension emulsion of 10% dicyan anthracene quinone Evil frost.
The clever suspension emulsion of example 14 43% dicyan En Kun Evil frost
Dithianon 35%, Evil frost spirit 8%, polycarboxylate 5%, soapberry powder 5%, silicone oil 2%, epoxychloropropane 0.8%, polyvinyl alcohol 2%, tween series 4%, ethylene glycol 3%, water add to 100%, the aforementioned formula material is mixed, promptly make the clever suspension emulsion of 43% dicyan En Kun Evil frost.
Example 15 70% dithianon metalaxyl (or Metalaxyl-M) wetting powders
Dithianon 60%, metalaxyl (or Metalaxyl-M) 10%, lignosulfonates 6%, neopelex 2%, spaonin powder 4%, diatomite add to 100%, mixture carries out comminution by gas stream, makes 70% dithianon metalaxyl (or Metalaxyl-M) wetting powder.
Example 16 80% dithianon metalaxyl (or Metalaxyl-M) wetting powders
Dithianon 75%, metalaxyl (or Metalaxyl-M) 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 6%, Nekal BX 4%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 80% dithianon metalaxyl (or Metalaxyl-M) wetting powder.
Example 17 50% dithianon metalaxyl (or Metalaxyl-M) water dispersible granules
Dithianon 5%, metalaxyl (or Metalaxyl-M) 45%, alkyl benzene sulfonate calcium salt 8%, neopelex 6%, ammonium sulfate 1%, attapulgite add to 100%, mixed 50% dithianon metalaxyl (or Metalaxyl-M) water dispersible granules that gets.
Example 18 48% dithianon metalaxyl (or Metalaxyl-M) water dispersible granules
Dithianon 36%, metalaxyl (or Metalaxyl-M) 12%, naphthalene sulfonic acid-formaldehyde condensation product 6%, wetting and penetrating agent F 6%, urea 1%, bentonite add to 100%, mixed 48% dithianon metalaxyl (or Metalaxyl-M) water dispersible granules that gets.
Example 19 20% dithianon metalaxyl (or Metalaxyl-M) suspending agents
Dithianon 10%, metalaxyl (or Metalaxyl-M) 10%, alkylnaphthalene sulfonate 8%, Nekal BX 5%, C 8~10Aliphatic alcohols 0.6%, polyvinylpyrrolidone 0.5%, ethylene glycol 1%, deionized water add to 100%, mixed 20% dithianon metalaxyl (or Metalaxyl-M) suspending agent that gets.
Example 20 36% dithianon metalaxyl (or Metalaxyl-M) suspending agents
Dithianon 27%, metalaxyl (or Metalaxyl-M) 9%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 7%, neopelex 5%, C 10~20Saturated fat acids 0.5%, methylcellulose 1.2%, glycerine 1.5%, deionized water add to 100%, mixed 36% dithianon metalaxyl (or Metalaxyl-M) suspending agent that gets.
Example 21 28% dithianon metalaxyl (or Metalaxyl-M) suspension emulsions
Dithianon 14%, metalaxyl (or Metalaxyl-M) 14%, alkyl benzene sulfonate calcium salt 6%, lauryl sodium sulfate 2%, soapberry powder 3%, gum Arabic 1%, agricultural newborn 600#6%, polyethylene glycol 4%, silicone compound 0.8%, water add to 100%, through mixed 28% dithianon metalaxyl (or Metalaxyl-M) suspension emulsion that gets.
Example 22 42% dithianon metalaxyl (or Metalaxyl-M) suspension emulsions
Dithianon 12%, metalaxyl (or Metalaxyl-M) 30%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 6%, wetting and penetrating agent F 6%, polyvinylpyrrolidone 2%, OP series phosphate 5%, glycerine 4%, C 8~10Aliphatic alcohols 0.2%, water add to 100%, through mixed 42% dithianon metalaxyl (or Metalaxyl-M) suspension emulsion that gets.
Example 23 54% dithianon iprovalicarb wetting powders
Dithianon 8%, iprovalicarb 46%, lignosulfonates 8%, lauryl sodium sulfate 6%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 54% dithianon iprovalicarb wetting powder.
Example 24 75% dithianon iprovalicarb wetting powders
Dithianon 60%, iprovalicarb 15%, polycarboxylate 6%, spaonin powder 5%, diatomite add to 100%, and mixture carries out comminution by gas stream, make 75% dithianon iprovalicarb wetting powder.
Example 25 50% dithianon iprovalicarb water dispersible granules
Dithianon 10%, iprovalicarb 40%, alkyl benzene sulfonate calcium salt 9%, Nekal BX 7%, aluminium chloride 1%, bentonite add to 100%, the mixed 50% dithianon iprovalicarb water dispersible granules that gets.
Example 26 60% dithianon iprovalicarb water dispersible granules
Dithianon 48%, iprovalicarb 12%, polyoxyethylene carboxylate 7%, soapberry powder 5%, urea 0.8%, bentonite add to 100%, the mixed 60% dithianon iprovalicarb water dispersible granules that gets.
Example 27 36% dithianon iprovalicarb suspending agents
Dithianon 30%, iprovalicarb 6%, lignosulfonates 6%, lauryl sodium sulfate 5%, silicone oil 0.2%, sodium phosphate trimer 1%, glycerine 3%, deionized water add to 100%, the mixed 36% dithianon iprovalicarb suspending agent that gets.
Example 28 45% dithianon iprovalicarb suspending agents
Dithianon 36%, iprovalicarb 9%, alkyl benzene sulfonate calcium salt 5%, wetting and penetrating agent F4%, C 8~10Aliphatic alcohols 1%, gum Arabic 0.8%, polyethylene glycol 2%, deionized water add to 100%, the mixed 45% dithianon iprovalicarb suspending agent that gets.
Example 29 40% dithianon phosethyl-Al wetting powders
Dithianon 8%, phosethyl-Al 32%, alkylnaphthalene sulfonate 8%, soapberry powder 6%, diatomite add to 100%, and mixture carries out comminution by gas stream, make 40% dithianon phosethyl-Al wetting powder.
Example 30 70% dithianon phosethyl-Al wetting powders
Dithianon 20%, phosethyl-Al 50%, polycarboxylate 5%, polyoxyethylene carboxylate 3%, soapberry powder 5%, attapulgite add to 100%, and mixture carries out comminution by gas stream, make 70% dithianon phosethyl-Al wetting powder.
Example 31 45% dithianon phosethyl-Al water dispersible granules
Dithianon 15%, phosethyl-Al 30%, two (alkyl) naphthalenesulfonate formaldehyde condensation compound 6%, lauryl sodium sulfate 2%, Nekal BX 4%, ammonium sulfate 0.8%, bentonite add to 100%, the mixed 45% dithianon phosethyl-Al water dispersible granules that gets.
Example 32 65% dithianon phosethyl-Al water dispersible granules
Dithianon 5%, phosethyl-Al 60%, lignosulfonates 10%, silkworm excrement 6%, aluminium chloride 2%, bentonite add to 100%, the mixed 65% dithianon phosethyl-Al water dispersible granules that gets.
Example 33 28% dithianon phosethyl-Al suspending agents
Dithianon 24%, phosethyl-Al 4%, alkyl benzene sulfonate calcium salt 8%, wetting and penetrating agent F 5%, silicone compound 0.6%, polyvinylpyrrolidone 0.5%, polyethylene glycol 3%, deionized water add to 100%, the mixed 28% dithianon phosethyl-Al suspending agent that gets.
Example 34 50% dithianon phosethyl-Al suspending agents
Dithianon 10%, phosethyl-Al 40%, polycarboxylate 5%, soapberry powder 5%, silicone oil 0.2%, xanthans 1%, glycerine 2%, deionized water add to 100%, the mixed 50% dithianon phosethyl-Al suspending agent that gets.
Example 35 60% dithianon Propamocarb wetting powders
Dithianon 15%, Propamocarb 45%, alkyl benzene sulfonate calcium salt 7%, spaonin powder 6%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 60% dithianon Propamocarb wetting powder.
Example 36 77% dithianon Propamocarb wetting powders
Dithianon 2%, Propamocarb 75%, alkylphenol-polyethenoxy are phonetic 8%, wetting and penetrating agent F 6%, diatomite add to 100%, and mixture carries out comminution by gas stream, makes 77% dithianon Propamocarb wetting powder.
Example 37 32% dithianon Propamocarb suspending agents
Dithianon 20%, Propamocarb 12%, lignosulfonates 6%, neopelex 3%, draw back powder 2%, silicone compound 1%, polyvinyl alcohol 2%, polyethylene glycol 2%, deionized water adds to 100%, the mixed 32% dithianon Propamocarb suspending agent that gets.
Example 38 35% dithianon Propamocarb suspending agents
Dithianon 8%, Propamocarb 27%, two (alkyl) naphthalenesulfonate formaldehyde condensation compound 8%, soapberry powder 5%, silicone oil 0.6%, xanthans 1.2%, ethylene glycol 4%, deionized water adds to 100%, the mixed 35% dithianon Propamocarb suspending agent that gets.
Example 39 32% dithianon Propamocarb suspension emulsions
Dithianon 8%, Propamocarb 24%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 4%, lauryl sodium sulfate 3%, silkworm excrement 3%, sodium phosphate trimer 1%, glycerine 3%, C 8~10Aliphatic alcohols 0.2%, agricultural newborn 400#6%, water add to 100%, the mixed 32% dithianon Propamocarb suspension emulsion that gets.
Example 40 48% dithianon Propamocarb suspension emulsions
Dithianon 24%, Propamocarb 24%, polyoxyethylene carboxylate 5%, neopelex 4%, soapberry powder 3%, gum Arabic 1%, polyethylene glycol 1%, silicone oil 0.6%, sapn series 5%, water add to 100%, the mixed 48% dithianon Propamocarb suspension emulsion that gets.
Example 41 50% dithianon propamocarb wetting powders
Dithianon 10%, propamocarb 40%, sodium lignin sulfonate 9%, silkworm excrement 5%, diatomite add to 100%, and mixture carries out comminution by gas stream, make 50% dithianon propamocarb wetting powder.
Example 42 65% dithianon propamocarb wetting powders
Dithianon 15%, propamocarb 50%, polycarboxylate 6%, lauryl sodium sulfate 7%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 65% dithianon propamocarb wetting powder.
Example 43 30% dithianon propamocarb suspending agents
Dithianon 15%, propamocarb 15%, naphthalene sulfonic acid-formaldehyde condensation product 7%, polyoxyethylene carboxylate 2%, spaonin powder 5%, silicone oil 0.2%, gum Arabic 1%, propane diols 2%, deionized water adds to 100%, the mixed 30% dithianon propamocarb suspending agent that gets.
Example 44 40% dithianon propamocarb suspending agents
Dithianon 10%, propamocarb 30%, alkylnaphthalene sulfonate 6%, neopelex 6%, C 10~20Saturated fat acids 0.4%, polyvinylpyrrolidone 0.8%, glycerine 2%, deionized water adds to 100%, the mixed 40% dithianon propamocarb suspending agent that gets.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.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.
Dithianon and active component B (B is selected from a kind of of cyanogen frost azoles, the spirit of Evil frost, metalaxyl (or Metalaxyl-M), iprovalicarb, phosethyl-Al, Propamocarb and salt) are composite to the crop pest Toxicity Determination.
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 the crop germ.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
Figure BDA0000037592070000151
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) 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:
Figure BDA0000037592070000161
Wherein: a, b are respectively active component dithianon and B (spirit of cyanogen frost Zuo, Evil frost, metalaxyl (or Metalaxyl-M), iprovalicarb, phosethyl-Al, Propamocarb and salt) shared ratio in combination;
A is a dithianon;
B is a kind of in the spirit of cyanogen frost Zuo, Evil frost, metalaxyl (or Metalaxyl-M), iprovalicarb, phosethyl-Al, Propamocarb and the salt.
Implementation of an application example two:
Dithianon and cyanogen frost azoles are composite to the tomato late blight Toxicity Determination.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining dithianon, the cyanogen frost former medicine of azoles and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 1 dithianon, cyanogen frost azoles and composite toxicity test analysis of results table thereof to tomato late blight
Figure BDA0000037592070000163
Figure BDA0000037592070000171
As shown in Table 1, dithianon, cyanogen frost azoles is to the EC of tomato late blight 50Be respectively 2.75mg/L and 1.48mg/L.The virulence of cyanogen frost azoles is lower than the virulence of dithianon.Dithianon and cyanogen frost azoles proportioning were at 39: 1 to 1: 39 o'clock, synergy ratio SR is all greater than 1.5, illustrate that dithianon and cyanogen frost azoles was mixed in the scope at 39: 1 to 1: 39 and all shows synergistic effect, especially when the two proportioning during at 8: 1 to 1: 2, synergistic effect is more obviously outstanding, synergy ratio SR maximum when dithianon and cyanogen frost azoles weight ratio is 2: 1 wherein, synergistic effect is the most obvious.
Implementation of an application example three
Dithianon is Yu the spirit of Evil frost is composite to the downy mildew of garpe Toxicity Determination.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining the dithianon, Evil clever former medicine of frost and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Spirit of table 2 dithianon, Evil frost and composite toxicity test analysis of results table thereof to downy mildew of garpe
Figure BDA0000037592070000172
As shown in Table 2, the spirit of dithianon, Evil frost is to the EC of downy mildew of garpe 50Be respectively 2.84mg/L and 2.91mg/L.The virulence of the virulence Di Yu Evil frost spirit of dithianon.Dithianon Yu the clever proportioning of Evil frost at 39: 1 to 1: 39 o'clock, synergy ratio SR is all greater than 1.5, dithianon is described Yu Evil frost spirit both be mixed in the scope at 39: 1 to 1: 39 and all show synergistic effect, especially when the two proportioning during at 9: 1 to 1: 9, synergistic effect is more obviously outstanding, synergy ratio SR maximum when the clever weight ratio of dithianon and Evil frost is 1: 1 wherein, synergistic effect is the most obvious.
Implementation of an application example four
Dithianon and metalaxyl (or Metalaxyl-M) are composite to the Chinese cabbage downy mildew Toxicity Determination.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining dithianon, the former medicine of metalaxyl (or Metalaxyl-M) and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 3 dithianon, metalaxyl (or Metalaxyl-M) and composite toxicity test analysis of results table thereof to Chinese cabbage downy mildew
Figure BDA0000037592070000182
Figure BDA0000037592070000191
As shown in Table 3, dithianon, metalaxyl (or Metalaxyl-M) are to the EC of Chinese cabbage downy mildew 50Be respectively 2.79mg/L and 2.85mg/L.The virulence of dithianon is lower than the virulence of metalaxyl (or Metalaxyl-M).Dithianon and metalaxyl (or Metalaxyl-M) proportioning was at 39: 1 to 1: 39 o'clock, synergy ratio SR is all greater than 1.5, dithianon and metalaxyl (or Metalaxyl-M) are described, and both were mixed in the scope at 39: 1 to 1: 39 and all show synergistic effect, especially when the two proportioning during at 9: 1 to 1: 9, synergistic effect is more obviously outstanding, synergy ratio SR maximum when dithianon and metalaxyl (or Metalaxyl-M) weight ratio are 1: 1 wherein, synergistic effect is the most obvious.
Implementation of an application example five:
Dithianon and iprovalicarb are composite to the cucumber downy mildew Toxicity Determination.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining dithianon, the former medicine of iprovalicarb and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 4 dithianon, iprovalicarb and composite toxicity test analysis of results table thereof to cucumber downy mildew
Figure BDA0000037592070000201
As shown in Table 4, dithianon, iprovalicarb are to the EC of cucumber downy mildew 50Be respectively 3.05mg/L and 0.76mg/L.The virulence of iprovalicarb is lower than the virulence of dithianon.Dithianon and iprovalicarb proportioning were at 39: 1 to 1: 39 o'clock, synergy ratio SR is all greater than 1.5, illustrating that dithianon and iprovalicarb were mixed in the scope at 12: 1 to 1: 4 all shows synergistic effect, synergy ratio SR maximum when dithianon and iprovalicarb weight ratio are 4: 1 wherein, synergistic effect is the most obvious.
Implementation of an application example six
Dithianon and phosethyl-Al are composite to the pepper anthracnose Toxicity Determination.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining dithianon, the former medicine of phosethyl-Al and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 5 dithianon, phosethyl-Al and composite toxicity test analysis of results table thereof to pepper anthracnose
Figure BDA0000037592070000211
As shown in Table 5, dithianon, phosethyl-Al are to the EC of pepper anthracnose 50Be respectively 2.73mg/L and 9.21mg/L.The virulence of dithianon is lower than the virulence of phosethyl-Al.Dithianon and phosethyl-Al proportioning were at 12: 1 to 1: 39 o'clock, synergy ratio SR is all greater than 1.5, illustrating that dithianon and phosethyl-Al were mixed in the scope at 4: 1 to 1: 12 all shows synergistic effect, synergy ratio SR maximum when dithianon and phosethyl-Al weight ratio are 1: 4 wherein, synergistic effect is the most obvious.
Implementation of an application example seven
Dithianon and Propamocarb are composite to the potato late blight Toxicity Determination.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: effective inhibition concentration scope of determining dithianon, the former medicine of Propamocarb and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 6 dithianon, Propamocarb and composite toxicity test analysis of results table thereof to potato late blight
Figure BDA0000037592070000221
As shown in Table 6, dithianon, Propamocarb are to the EC of potato late blight 50Be respectively 2.71mg/L and 7.89mg/L.The virulence of dithianon is lower than the virulence of Propamocarb.Dithianon and Propamocarb proportioning were at 12: 1 to 1: 39 o'clock, synergy ratio SR is all greater than 1.5, illustrating that dithianon and Propamocarb were mixed in the scope at 3: 1 to 1: 12 all shows synergistic effect, synergy ratio SR maximum when dithianon and Propamocarb weight ratio are 1: 3 wherein, synergistic effect is the most obvious.
Application Example eight dithianons and the cyanogen frost azoles and the composite control tomato late blight test of pesticide effectiveness thereof
This experimental establishment is in the Linzi District, Zibo City, Shandong Province, and test medicine is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 66% dithianon water-dispersion granule (commercial), 10% cyanogen frost azole suspending agent (commercial).
The investigation tomato late blight state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 7 days, 14 days after the dispenser for the second time.Experimental result is as follows:
Table 7 dithianon, cyanogen frost azoles and the composite control tomato late blight test of pesticide effectiveness thereof
Figure BDA0000037592070000231
As can be seen from Table 7, can effectively prevent and treat tomato late blight after dithianon and cyanogen frost azoles are composite, control efficiency all is better than the preventive effect of single agent.In the test scope of medication, the target crop is had no adverse effects.
Application Example nine dithianons are Yu the spirit of Evil frost and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in the Xianyang, Shanxi province city, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 66% dithianon water-dispersion granule (commercial), 25% Evil frost clever wetting powder (commercial).
The preceding investigation of medicine downy mildew of garpe 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, 14 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
The spirit of table 8 dithianon, Evil frost and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
Figure BDA0000037592070000232
As can be seen from Table 8, dithianon is Yu Evil frost spirit can effectively prevent and treat downy mildew of garpe after composite, and control efficiency all is better than the preventive effect of single agent.In the test scope of medication, the target crop is had no adverse effects.
Application Example ten dithianons and metalaxyl (or Metalaxyl-M) and the composite control Chinese cabbage downy mildew test of pesticide effectiveness thereof
This experimental establishment is in the Qingdao of Shandong province Jiangzhou, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 66% dithianon water-dispersion granule (commercial), 25% metalaxyl (or Metalaxyl-M) wetting powder (commercial).
The investigation Chinese cabbage downy mildew state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 7 days, 14 days after the dispenser for the second time.Experimental result is as follows:
Table 9 dithianon, metalaxyl (or Metalaxyl-M) and the composite control Chinese cabbage downy mildew test of pesticide effectiveness thereof
Figure BDA0000037592070000242
As can be seen from Table 9, can effectively prevent and treat Chinese cabbage downy mildew after dithianon and metalaxyl (or Metalaxyl-M) are composite, control efficiency all is better than the preventive effect of single agent.In the test scope of medication, the target crop is had no adverse effects.
Application Example 11 dithianons and iprovalicarb and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This experimental establishment is in suburb, Shouguang City, Shandong Province, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 66% dithianon water-dispersion granule (commercial), 70% iprovalicarb water dispersible granules (commercial).
The preceding investigation of medicine cucumber 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, 14 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
Table 10 dithianon, iprovalicarb and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 10, can effectively prevent and treat cucumber downy mildew after dithianon and iprovalicarb are composite, control efficiency all is better than the preventive effect of single agent.In the test scope of medication, the target crop is had no adverse effects.
Application Example 12 dithianons and phosethyl-Al and the composite control pepper anthracnose test of pesticide effectiveness thereof
This experimental establishment is in the suburb, Chongqing City, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 66% dithianon water-dispersion granule (commercial), 40% phosethyl-Al wetting powder (commercial).
The investigation pepper anthracnose state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated disease index respectively and calculated preventive effect in 7 days, 14 days after the dispenser for the second time.Experimental result is as follows:
Table 11 dithianon, phosethyl-Al and the composite control pepper anthracnose test of pesticide effectiveness thereof
As can be seen from Table 11, can effectively prevent and treat pepper anthracnose after dithianon and phosethyl-Al are composite, control efficiency all is better than the preventive effect of single agent.In the test scope of medication, the target crop is had no adverse effects.
Application Example 13 dithianons and Propamocarb and salt thereof and the composite control cucumber late blight test of pesticide effectiveness thereof
This experimental establishment is at the Jinan City, Shandong Province suburban area; test medicine is researched and developed, is provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 66% dithianon water-dispersion granule (commercial), 722 grams per liter propamocarb aquas (commercial), 722 grams per liter Propamocarb aquas (commercial).
The preceding investigation of medicine cucumber late blight 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, 14 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
The composite control of table 12 dithianon, Propamocarb and salt thereof the cucumber late blight test of pesticide effectiveness
Figure BDA0000037592070000271
As can be seen from Table 12, can effectively prevent and treat the cucumber late blight after dithianon and Propamocarb and salt thereof are composite, control efficiency all is better than the preventive effect of single agent.In the test scope of medication, the target crop is had no adverse effects.

Claims (10)

1. Synergistic bactericidal composition that contains dithianon, it is characterized in that: the weight ratio of A, two kinds of active components of B is 2~78: 2~78, described A component is a dithianon, and the B component is selected from a kind of of the spirit of cyanogen frost Zuo, Evil frost, metalaxyl (essence), iprovalicarb, phosethyl-Al, Propamocarb and salt thereof.
2. the dithianon Synergistic bactericidal composition that contains according to claim 1 is characterized in that: wherein the weight ratio of dithianon and effective active composition B is 5~60: 5~75.
3. the bactericidal composition that contains dithianon and cyanogen frost azoles according to claim 2, it is characterized in that: wherein the weight ratio of dithianon and cyanogen frost azoles is 10~40: 10~50.
4. according to claim 2ly contain dithianon Yu the bactericidal composition of Evil frost spirit is characterized in that: wherein dithianon is Yu the weight ratio of Evil frost spirit is 10~40: 10~50.
5. the bactericidal composition that contains dithianon and metalaxyl (essence) according to claim 2, it is characterized in that: wherein the weight ratio of dithianon and metalaxyl (essence) is 10~40: 10~50.
6. the bactericidal composition that contains dithianon and iprovalicarb according to claim 2 is characterized in that: wherein the weight ratio of dithianon and iprovalicarb is 10~50: 10~30.
7. the bactericidal composition that contains dithianon and phosethyl-Al according to claim 2 is characterized in that: wherein the weight ratio of dithianon and phosethyl-Al is 10~40: 20~50.
8. the bactericidal composition that contains dithianon and Propamocarb (and salt) according to claim 2, it is characterized in that: wherein the weight ratio of dithianon and Propamocarb (and salt) is 10~40: 20~50.
9. the bactericidal composition that contains dithianon according to claim 1 is characterized in that: the formulation of microbicide compositions is selected from: wetting powder, water dispersible granules, suspending agent, suspension emulsion.
10. the bactericidal composition that contains dithianon according to claim 1 is used to prevent and treat crop pests such as downy mildew, eqpidemic disease, scab, anthracnose, spot defoliation, leaf spot.
CN2010105836524A 2010-12-11 2010-12-11 Effect-enhancing sterilization composition containing dithianon Pending CN102165951A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1314809C (en) * 1986-01-27 1993-03-23 Hanshelmut Itzel Fungicidal compositions containing dithianon
CN1152253A (en) * 1994-07-11 1997-06-18 希巴-盖吉股份公司 Two-and three-component fungicidal mixtures
WO2004006676A1 (en) * 2002-07-17 2004-01-22 Basf Aktiengesellschaft Fungicidal mixtures based on dithianon
WO2004008857A1 (en) * 2002-07-18 2004-01-29 Basf Aktiengesellschaft Fungicidal mixtures
CN1668198A (en) * 2002-07-18 2005-09-14 巴斯福股份公司 Fungicidal mixtures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1314809C (en) * 1986-01-27 1993-03-23 Hanshelmut Itzel Fungicidal compositions containing dithianon
CN1152253A (en) * 1994-07-11 1997-06-18 希巴-盖吉股份公司 Two-and three-component fungicidal mixtures
WO2004006676A1 (en) * 2002-07-17 2004-01-22 Basf Aktiengesellschaft Fungicidal mixtures based on dithianon
WO2004008857A1 (en) * 2002-07-18 2004-01-29 Basf Aktiengesellschaft Fungicidal mixtures
CN1668198A (en) * 2002-07-18 2005-09-14 巴斯福股份公司 Fungicidal mixtures

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M WALTER ET AL: "Agrochemicals suitable for downy mildew control in New Zealand boysenberry production", 《CROP PROTECTION》 *

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