CN103053530B - Bactericidal composition of propamidine and fluazinam - Google Patents
Bactericidal composition of propamidine and fluazinam Download PDFInfo
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- CN103053530B CN103053530B CN201310003441.2A CN201310003441A CN103053530B CN 103053530 B CN103053530 B CN 103053530B CN 201310003441 A CN201310003441 A CN 201310003441A CN 103053530 B CN103053530 B CN 103053530B
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Abstract
The invention discloses a bactericidal composition of propamidine and fluazinam. The bactericidal composition comprises commonly used auxiliary agents, propamidine and fluazinam. Mass part ratio of propamidine and fluazinam in the composition is 5:1-1:45, and preferably 3:1-1:25. When propamidine and fluazinam are compounded, a substantial synergetic effect is provided. Effective component dose of the compounded agent is substantially reduced than that of separate use. The composition provided by the invention is suitable to be used against crop gray mold caused by botrytis pathogen and crop stalk break casued by sclerotinia pathogen.
Description
Technical field
The bactericidal composition the present invention relates to, is taking propamidine and fluazinam as active ingredient, is applicable to the crop gray mold that control causes by Botrytis pathogen, the sclerotium disease being caused by Sclerotinia pathogen.
Background technology
Propamidine, english common name propamidine, 1,3-bis-(4-amidino groups phenoxy group) propane.Propamidine is broad-spectrum germicide, has protection and therapeutic action, and the crop gray mold being caused by Botrytis pathogen, the sclerotium disease that caused by Sclerotinia pathogen are had to outstanding preventive effect.
Fluazinam, english common name fluazinam, the chloro-5-trifluoromethyl-2-of the chloro-N-(3-of chemical name 3-pyridine radicals)-α, α, α-tri-are fluoro-2,6-dinitro-p-toluidine.Fluazinam is protective fungicide, and current commercial formulation is suspending agent, and using method is mainly cauline leaf, soil spraying is processed.
Sclerotinite mainly causes all kinds of sclerotium diseases; Botrytis cinerea mainly causes all kinds of crop gray molds.
Have no at present the composite report of propamidine and fluazinam.
Summary of the invention
The object of this invention is to provide a kind of efficient, low toxicity, low-residual,, active ingredient good, lower-cost to Environmental compatibility is the bactericidal composition of propamidine and fluazinam.
The present invention is achieved through the following technical solutions: a kind of bactericidal composition, active ingredient is propamidine and fluazinam, propamidine and the fluazinam mass ratio in composition is 5:1～1:45, preferably, than being 3:1～1:25, propamidine and the fluazinam gross mass mark percentage composition in composition is 3%～90%.
The production technology that described bactericidal composition adds auxiliary agent and excipients all to know according to those skilled in the art is made suspending agent, water dispersible granules, wetting powder.
Bactericidal composition of the present invention is for preventing and treating the crop gray mold being caused by Botrytis pathogen, the sclerotium disease being caused by Sclerotinia pathogen.
Advantage of the present invention: the bactericidal composition that contains propamidine and fluazinam of the present invention, compared with single product, there is the feature of binary bactericidal composition, expand effective active scope, to by the microbial all kinds of plant stalk breaks of nuclear disk; All kinds of crop gray molds that Botrytis cinerea causes have good preventive effect, and have delayed drug-fast generation, and the lasting period is long, has reduced dosage and access times, cost-saving, easy to use, time and labour saving, and reduce the pollution to environment.
Embodiment
The present invention describes by following specific embodiment, but the invention is not restricted to following specific embodiment.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
example of formulations 1: 30% propamidine fluazinam suspending agent.
Propamidine 2%, fluazinam 28%, emulsifier 1601# 10%, wetting agent LS 5%, dispersant SOPA-270 3%, thickener bentonite 2%, stabilizing agent xanthan gum 0.5%, defoamer organosilicon 0.4%, antifreeze glycerine 5%, deionized water complements to 100%.Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 30% propamidine fluazinam suspending agent.
example of formulations 2: 20% propamidine fluazinam suspending agent.
Propamidine 6%, fluazinam 14%, emulsifier triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 12%, wetting agent calcium dodecyl benzene sulfonate 5%, dispersant alkylphenol polyoxyethylene formaldehyde condensation products sulphate 3%, stabilizing agent gum Arabic 0.1%, antifreeze glycerine 5%, deionized water complements to 100%.Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 20% propamidine fluazinam suspending agent.
example of formulations 3: 60% propamidine fluazinam water dispersible granules.
Propamidine 5%, fluazinam 55%, wetting agent lauryl sodium sulfate 6%, dispersant lignosulfonates 4%, disintegrant urea 2%, binding agent polyethylene glycol 3%, stabilizing agent soluble starch 3%, kaolin complements to 100%.By above-mentioned formula, 60% propamidine fluazinam water dispersible granules is made and is obtained in dry pulverization process, granulation, dry, screening in proportion.
example of formulations 4: 50% propamidine fluazinam water dispersible granules.
Propamidine 3%, fluazinam 47%, wetting agent spaonin powder 6%, dispersant naphthalenesulfonic acid-formaldehyde condensate 4%, disintegrant bentonite 2%, binding agent cyclodextrin 2%, stabilizing agent soluble starch 3%, kaolin complements to 100%.By above-mentioned formula, 50% propamidine fluazinam water dispersible granules is made and is obtained in dry pulverization process, granulation, dry, screening in proportion.
example of formulations 5: 50% propamidine fluazinam wetting powder.
Propamidine 1%, fluazinam 49%, wetting agent pulls open powder 3%, dispersant lignosulfonates 6%, filler talcum powder 15%, filler kaolin complements to 100%.Above-mentioned formula is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 50% propamidine fluazinam wetting powder.
example of formulations 6: 40% propamidine fluazinam wetting powder.
Propamidine 2%, fluazinam 38%, wetting agent pulls open powder 3%, dispersant dodecylphenol polyvinylether sulfonate 5%, filler white carbon 3%, kaolin complements to 100%.Above-mentioned formula is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 40% propamidine fluazinam wetting powder.
biologicall test embodiment 1:the composite Toxicity Determination to sclerotinite of propamidine and fluazinam.
The composite Toxicity Determination result to sclerotinite of table 1, propamidine and fluazinam.
As shown in Table 1, propamidine of the present invention and fluazinam bactericidal composition have pair sclerotinite to have higher synergistic effect, propamidine and fluazinam 3:1,1:1,1:3,1:9,1:25 synergistic effect are obvious, and co-toxicity coefficient is greater than 140, and other proportionings all show synergistic effect in various degree.
biologicall test embodiment 2: to the field control effectiveness test of Lettuce Drop.
This is tested in March, 2012 and carries out in Feitian town, Huizhou Boluo County, and be watered 45kg by every mu and carry out even spraying, dispenser 1 time altogether, after medicine, 7 days control efficiency are in table 2.
Table 2, field control effectiveness test result to Lettuce Drop.
As can be seen from Table 2, the bactericidal composition of propamidine and fluazinam mixture has good control efficiency to Lettuce Drop, finds in test, and said composition, to lettuce safety, can reach desirable control efficiency in after medicine 7 days.
biologicall test embodiment 3:to the field control effectiveness test of graw mold of tomato.
This is tested in April, 2012 and carries out in Liang Zhuan town, Yue Dai district, Tai’an, Shandong Province, and be watered 45kg by every mu and carry out even spraying, dispenser 1 time altogether, after medicine, 7 days control efficiency are in table 3.
Table 3, field control effectiveness test result to graw mold of tomato.
As can be seen from Table 3, the bactericidal composition of propamidine and fluazinam has good control efficiency to graw mold of tomato, finds in test, and said composition, to tomato safety, can reach desirable preventive effect in after medicine 7 days.
biologicall test embodiment 4:to the field control effectiveness test of sclerotinia rot of colza.
This is tested in April, 2012 and carries out in market town, Funan County side of Anhui Province, and be watered 45kg by every mu and carry out even spraying, dispenser 1 time altogether, after medicine, 7 days control efficiency are in table 4.
Table 4, field control effectiveness test result to sclerotinia rot of colza.
As can be seen from Table 4, the composite bactericidal composition of propamidine and fluazinam has good control efficiency to sclerotinia rot of colza, finds in test, and said composition, to rape safety, can reach desirable preventive effect in after medicine 7 days.
In sum, the crop gray mold that the composite bactericidal composition of propamidine and fluazinam causes the sclerotium disease being caused by Sclerotinia pathogen, Botrytis pathogen has good preventive effect, to crop safety, environmentally friendly.Compared with single dose, reduce medication number of times, save cost.Therefore R&D and promotion of the present invention is significant.
Claims (4)
1. a bactericidal composition for propamidine and fluazinam, is characterized in that: active ingredient is propamidine and fluazinam; Propamidine and the fluazinam mass ratio in composition is 3:1～1:25.
2. the bactericidal composition of propamidine according to claim 1 and fluazinam, is characterized in that: in described bactericidal composition, also contain pesticidal preparations auxiliary element.
3. the bactericidal composition of propamidine according to claim 1 and fluazinam, is characterized in that: its formulation is suspending agent, water dispersible granules or wetting powder.
4. the application in the crop gray mold that the bactericidal composition of propamidine according to claim 1 and fluazinam is caused by Botrytis pathogen in control, the sclerotium disease being caused by Sclerotinia pathogen.
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| CN201310003441.2A CN103053530B (en) | 2013-01-06 | 2013-01-06 | Bactericidal composition of propamidine and fluazinam |
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| CN201310003441.2A CN103053530B (en) | 2013-01-06 | 2013-01-06 | Bactericidal composition of propamidine and fluazinam |
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| CN103053530B true CN103053530B (en) | 2014-09-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103518726B (en) * | 2013-10-12 | 2015-11-18 | 京博农化科技股份有限公司 | A kind of bactericidal composition containing Boscalid and propamidine |
| CN104285956B (en) * | 2014-09-10 | 2017-11-28 | 广东中迅农科股份有限公司 | A kind of composition pesticide containing Fluoxastrobin and propamidine |
| CN104322496B (en) * | 2014-09-15 | 2017-12-12 | 广东中迅农科股份有限公司 | A kind of composition pesticide containing cyprodinil and propamidine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613847A (en) * | 2004-09-13 | 2005-05-11 | 西北农林科技大学无公害农药研究服务中心 | Bactericidal compound of aromatic diamidine and use thereof |
| WO2011076726A2 (en) * | 2009-12-23 | 2011-06-30 | Bayer Cropscience Ag | Pesticidal compound mixtures |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613847A (en) * | 2004-09-13 | 2005-05-11 | 西北农林科技大学无公害农药研究服务中心 | Bactericidal compound of aromatic diamidine and use thereof |
| WO2011076726A2 (en) * | 2009-12-23 | 2011-06-30 | Bayer Cropscience Ag | Pesticidal compound mixtures |
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