CN103518726A - Sterilizing composition containing boscalid and propamidine - Google Patents
Sterilizing composition containing boscalid and propamidine Download PDFInfo
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- CN103518726A CN103518726A CN201310476470.0A CN201310476470A CN103518726A CN 103518726 A CN103518726 A CN 103518726A CN 201310476470 A CN201310476470 A CN 201310476470A CN 103518726 A CN103518726 A CN 103518726A
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- propamidine
- boscalid
- sterilizing composition
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Abstract
The invention discloses a sterilizing composition containing boscalid and propamidine. Boscalid and propamidine are active components, and the weight ratio of boscalid to propamidine is 1:1-50:1, and preferably is 5:1-25:1. The active components in the sterilizing composition account for 4%-60% in percent by weight. The dosage form of the sterilizing composition can be missible oil, wettable pulvis, suspending agents, micron emulsions, emulsions in water or water-dispersible granules. The sterilizing composition containing boscalid and propamidine has the characteristics of wide sterilization spectrum, high efficiency, low toxicity, low residue, substantial synergy effect and the like, and is especially beneficial for production of green foodstuffs. The composition is substantially higher in prevention effect than boscalid or propamidine which is used independently, and is capable of reducing application amount of various biologically-active substances, so that the use cost is reduced.
Description
Technical field
The invention belongs to technical field of pesticide, relate to agriculture chemical compounding technology, particularly a kind of bactericidal composition that contains Boscalid and propamidine.
Background technology
Boscalid, the chloro-N-of chemical name: 2-(4 '-chlorodiphenyl-2-yl) vitamin PP, molecular formula: C
18h
12cl
2n
2o, relative molecular weight: 343.21, structural formula:
The Novel tobacco acid amide fungicides of Boscalid Shi You BASF Aktiengesellschaft exploitation, fungicidal spectrum is wider, there is prevention effect, almost all types of fungal diseases are had to activity, very effective to preventing and treating powdery mildew, gray mold, root rot, stalk break and various rots etc., be difficult for producing cross resistance, also effective to the resistance bacterium of other medicaments, be mainly used in comprising the control of the diseases such as rape, grape, fruit tree, vegetables and field crop.
Propamidine, chemical name: 1,3-bis-(4-amidino groups phenoxy group) propane.Be derived from food additives, environmental protection, be in the world the third generation nuisanceless bactericide ，Shi Nuisanceless Pesticide Research Service Center, Xibei Agroforestry Science and T and U.S. NZYM company through 8 years work in concert, You Zhe center director, doctoral advisor Zhang Xing professor and U.S. Ida doctor You take the lead, and through science tackling key problem for many years, have successfully developed brand-new type, efficiently, wide spectrum, environmental protection, non-harmful bactericide.Propamidine is used gray mold, downy mildew, powdery mildew, anthracnose, fusarium wilt, bacterial wilt, mosaic disease, pathologic chrysanthemum, little leaf, root rot, rot etc. is all had to good control efficiency on the economic crops such as melon and fruit, vegetables, tea, tobacco, Chinese herbal medicine, flowers, afforestation.To tomato, cucumber, strawberry, the gray mold of grape, leaf mold has unique killing effect, simultaneously to virus disease, leaf spot, powdery mildew, root rot, anthracnose etc. have good result for the treatment of.
In prior art, have no the composite relevant report of Boscalid and propamidine.
Summary of the invention
The object of the present invention is to provide a kind of bactericidal composition that contains Boscalid and propamidine, said composition has the features such as fungicidal spectrum is wide, efficient, low toxicity, low-residual, synergistic effect is remarkable, use cost is low, is particularly advantageous in the production of pollution-free food.
The bactericidal composition that contains Boscalid and propamidine of the present invention, take Boscalid and propamidine to form as effective ingredient is composite, and the weight ratio of Boscalid and propamidine is 1:1～50:1.
The present invention is the characteristic research based on Boscalid, Boscalid and propamidine is carried out composite as effective ingredient, and inventor has provided best proportioning: the weight ratio of described Boscalid and propamidine is 5:1～25:1.In this ratio range, its co-toxicity coefficient is higher, has significant synergistic effect.
The bactericidal composition that contains Boscalid and propamidine of the present invention, take Boscalid and propamidine to form as effective ingredient is composite, and wherein the percetage by weight of active ingredient is 4%～60%.
Described Boscalid belongs to succinic acid ubiquinone reductase inhibitor in mitochondrial respiratory chain, suppress the Main Stage that spore germination, the extension of bacterium pipe, mycelial growth and spore mother cell form conk and breeding, bactericidal action is directly caused there is no corresponding metabolic activity by parent active substance.Described propamidine has interior absorption, from sterilization in plant corpus, changes cell structure and the mycelia form of original germ mycelia, suppresses the breeding of germ, makes cell respectively organize disintegration, causes germ to be disintegrated dead.The present invention carries out Boscalid and propamidine composite as active ingredient, fungicidal spectrum is wide, use cost is low, produces significant synergistic function.
The formulation of bactericidal composition of the present invention is a kind of in missible oil or wetting powder or suspending agent or microemulsion or aqueous emulsion or water-dispersible granules.
Auxiliary element in bactericidal composition of the present invention comprises acceptable organic solvent, emulsifier, surfactant, inert filler etc.; Wherein acceptable organic solvent comprises: fat hydrocarbon organic solvent, arene organic solvent, plant oil solvent, alcohol organic solvent, lipid organic solvent, organic solvent of ketone etc.; Adoptable surfactant has anionic surfactant and nonionic surface active agent.In addition, also comprise the thickeners such as xanthans, sodium carboxymethyl starch, the antifreezing agents such as ethylene glycol, glycerine, urea; The fillers such as kaolin, bentonite, attapulgite, charcoal acid calcium, sulphur, and the acceptable stabilizing agent of other pesticidal preparations, safener, colouring agent etc.
The bactericidal composition that contains Boscalid and propamidine of the present invention, be applicable to powdery mildew, virus disease, brown rot, leaf spot, root rot, the anthracnose of the economic crops such as grape, lawn, fruit tree, vegetables, tea, tobacco, Chinese herbal medicine, flowers, afforestation and have good preventive effect effect by alternaric bacteria, botrytis cinerea, the microbial disease of stalk break etc., to tomato, cucumber, strawberry, the gray mold of grape, leaf mold have unique killing effect.
The bactericidal composition that contains Boscalid and propamidine of the present invention, the feature such as have that fungicidal spectrum is wide, efficient, low toxicity, low-residual, synergistic effect are remarkable, is particularly advantageous in the production of pollution-free food.Said composition preventive effect is significantly higher than the preventive effect of alone Boscalid and propamidine, and can reduce the application dosage of each bioactivator, makes like this use cost reduce.
Embodiment
Technical scheme invention being related to below in conjunction with embodiment is further described, to contribute to understanding of the present invention, but not as the restriction to technical scheme, except mentioning especially, component ratio is all weight percentage.
Boscalid and propamidine are pressed to certain weight ratio composite, its weight ratio is 1/1,2/1,4/1,5/1,6/1,8/1,10/1,20/1,25/1,30/1,35/1,40/1,45/1,50/1 contrasts with 2% propamidine aqua so that 50% Boscalid water is outstanding, carries out the Toxicity Determination of graw mold of tomato.Result shows: each medicament is 235.37～259.72 to the co-toxicity coefficient of powdery mildew, shows to have significant synergistic effect, and wherein the most outstanding with 5/1 to 25/1 effect, co-toxicity coefficient is 248.36～259.72.
Using dosage: 12～18 grams of effective ingredient/mus, 5～7 days successfuls of spray medicine, control wheat, tomato rose powdery mildew, tomato, grape grey mould, kaffir lily leaf spot, fruit tree leaves pinta, brown rot, the preventive effects such as Strawberry anthracnose are more than 92%.
Embodiment 1
4% Boscalid propamidine microemulsion
Raw material consists of the former medicine of 2% Boscalid, the former medicine of 2% propamidine, 5%N, dinethylformamide, 6% cyclohexanone, 15% toluene, 5% phenethyl phenolformaldehyde resin APEO, 3% calcium dodecyl benzene sulfonate, 7% alkylphenol polyoxyethylene, 5% ethylene glycol, all the other waters are supplied, microemulsion mode of production preparation routinely.
Field trial 1
Experimental pharmacy is that 4% Boscalid propamidine microemulsion is prepared by embodiment 1, contrast medicament is that 50% Boscalid water dispersion granule (buy by market, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object is wheat powdery mildew;
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and the composite rear consumption of Boscalid and propamidine reduces, and anti-efficiency improves.
Field control effectiveness test 2
Experimental pharmacy is that 4% Boscalid propamidine microemulsion is prepared by embodiment 1, contrast medicament is that 50% Boscalid water dispersion granule (buy by market, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object is leaf spot of tomato:
During medication, mean temperature of air is at 21-25 ℃, and weather be take fine as main, and the composite rear consumption of Boscalid and propamidine reduces, and anti-efficiency improves.
Embodiment 2
12% Boscalid propamidine missible oil
Raw material forms: the former medicine of 10% Boscalid, the former medicine of 2% propamidine, 15%N, dinethylformamide, 5%N-methyl pyrrolidone, 4% calcium dodecyl benzene sulfonate, 5% triphen ethyl-phenol APEO, 3% phenethyl phenolformaldehyde resin APEO, all the other are supplied with toluene.Missible oil mode of production preparation routinely.Field trial 1
Experimental pharmacy is that 12% Boscalid propamidine missible oil is prepared by embodiment 2, contrast medicament is that 50% Boscalid water dispersion granule (buy by market, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object is grape grey mould:
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and after Boscalid and propamidine are composite, preventive effect effect significantly improves.
Embodiment 3
20% Boscalid propamidine aqueous emulsion
Raw material forms: the former medicine of 18% Boscalid, the former medicine of 2% propamidine, 10% acetone, 5%N-methyl pyrrolidone, 15% dimethylbenzene,, 5% calcium dodecyl benzene sulfonate, 3% triphen ethyl-phenol APEO, 4% phenethyl phenolformaldehyde resin APEO, 5% polyoxyethylene nonylphenol ether, 5% ethylene glycol, all the other waters are supplied.Water and milk mode is joined routinely.
Field trial 1
Experimental pharmacy is that 20% Boscalid propamidine aqueous emulsion is prepared by embodiment 3, contrast medicament is that 50% Boscalid water dispersion granule (buy by market, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object is graw mold of tomato;
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and after Boscalid and propamidine are composite, synergistic effect is obvious.
Embodiment 4
26% Boscalid propamidine suspending agent
Raw material consists of the former medicine of 24% Boscalid, the former medicine of 2% propamidine, 1.2% pulls open powder, 1% di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, 1.3% calcium dodecyl benzene sulfonate, 3% triphen ethyl-phenol APEO, 1.5% white carbon, 0.20% xanthans, 5% ethylene glycol, all the other waters are supplied, suspending agent mode of production preparation routinely.
Field trial 1
Experimental pharmacy is that 26% Boscalid propamidine suspending agent is prepared by embodiment 4, contrast medicament is that 50% Boscalid water dispersion granule (buy by market, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object is pears brown rot;
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and after Boscalid and propamidine are composite, synergistic effect is obvious.
Embodiment 5
30% Boscalid propamidine suspending agent
Raw material consists of the former medicine of 29% Boscalid, the former medicine of 1% propamidine, and 1.5% polyoxyethylene alkyl ether, 1% dispersant pulls open powder, 3% calcium dodecyl benzene sulfonate, 2% white carbon, 0.15% xanthans, 5% ethylene glycol, all the other waters are supplied, suspending agent mode of production preparation routinely.
Field trial 1
Experimental pharmacy is that 30% Boscalid propamidine suspending agent is prepared by embodiment 5, contrast medicament is that 50% Boscalid WDG((market is bought, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object rose powdery mildew;
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and the composite rear consumption of Boscalid and propamidine reduces, successful.
Embodiment 6
51% Boscalid propamidine wetting powder
Raw material consists of the former medicine of 50% Boscalid, the former medicine of 1% propamidine, and 12% di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, 5% lauryl sodium sulfate, 8% calcium lignosulfonate, all the other are supplied with ammonium sulfate.Can wet-milling mode prepare routinely.
Field trial 1
Experimental pharmacy is that 51% Boscalid propamidine can be prepared by embodiment 6 by wet-milling, contrast medicament is that 50% Boscalid water dispersion granule (buy by market, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object, Strawberry anthracnose;
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and the composite rear consumption of Boscalid and propamidine reduces, successful.
Embodiment 7
52% Boscalid propamidine WDG
Raw material forms: the former medicine of 50% Boscalid, the former medicine of 2% propamidine; 3% calcium dodecyl benzene sulfonate, 12% di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, 6% naphthalenesulfonate formaldehyde condensation compound, 5% calcium lignosulfonate, 5% sodium carboxymethyl starch, all the other are supplied with sodium carboxymethyl starch, and extruder grain mode is prepared routinely.
Field trial 1
Experimental pharmacy is that 52% Boscalid propamidine granule is prepared by embodiment 7, contrast medicament is that 50% Boscalid WDG((market is bought, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object is that fresh kidney beans leaf mold is sick;
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and after Boscalid and propamidine are composite, synergistic effect is obvious.
Embodiment 8
60% Boscalid propamidine wetting powder
Raw material consists of the former medicine of 50% Boscalid, the former medicine of 10% propamidine, and 13% di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, 3% lauryl sodium sulfate, all the other are supplied with kaolin.Can wet-milling mode prepare routinely.
Field trial 1
Experimental pharmacy is that 60% Boscalid propamidine can be prepared by embodiment 8 by wet-milling, contrast medicament is that 50% Boscalid water dispersion granule (buy by market, upper sea green damp bio tech ltd), 2% propamidine aqua (market is bought, Zhenghai, Ningbo City Lv Yuan capital goods in the agricultural sector Co., Ltd); Controlling object graw mold of tomato;
During medication, mean temperature of air is at 20-25 ℃, and weather be take fine to cloudy as main, and the composite rear consumption of Boscalid and propamidine reduces, successful.
From above embodiment and field trial, can find out, by Boscalid and propamidine carry out composite after, the consumption of its every mu active ingredient reduces, anti-efficiency improves simultaneously, anti-efficiency is all more than 92%; And Boscalid and propamidine weight ratio are when 5:1-25:1, and its anti-efficiency is more than 93%; By embodiment 4, can be drawn, when Boscalid and propamidine weight ratio are 12:1, its preventive effect is up to 96%.
Claims (3)
1. a bactericidal composition that contains Boscalid and propamidine, it is characterized in that: take Boscalid and propamidine as active ingredient, the weight ratio of Boscalid and propamidine is 1:1～50: 1, and in described bactericidal composition, the weight fraction of active ingredient is 4%～60%.
2. the bactericidal composition that contains Boscalid and propamidine according to claim 1, is characterized in that: the weight ratio of Boscalid and propamidine is 5: 1～25: 1.
3. the bactericidal composition that contains Boscalid and propamidine according to claim 1, is characterized in that: the formulation of described bactericidal composition is a kind of in missible oil or wetting powder or suspending agent or microemulsion or aqueous emulsion or water-dispersible granules.
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| CN201310476470.0A CN103518726B (en) | 2013-10-12 | 2013-10-12 | A kind of bactericidal composition containing Boscalid and propamidine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285989A (en) * | 2014-09-10 | 2015-01-21 | 广东中迅农科股份有限公司 | Pesticide composition containing pyraclostrobin and propamidine |
| CN109221148A (en) * | 2018-09-27 | 2019-01-18 | 广东省农业科学院植物保护研究所 | A kind of composition pesticide of Fluxapyroxad-containsterilization and propamidine |
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| WO2010060982A2 (en) * | 2008-11-28 | 2010-06-03 | Bayer Cropscience Sa | Pesticide composition comprising a tetrazolyloxime derivative and a fungicide or an insecticide active substance |
| CN103053530A (en) * | 2013-01-06 | 2013-04-24 | 广东中迅农科股份有限公司 | Bactericidal composition of propamidine and fluazinam |
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2013
- 2013-10-12 CN CN201310476470.0A patent/CN103518726B/en active Active
Patent Citations (3)
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| 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 | Aromatic diamidine compound with bactericidal activity and application thereof |
| WO2010060982A2 (en) * | 2008-11-28 | 2010-06-03 | Bayer Cropscience Sa | Pesticide composition comprising a tetrazolyloxime derivative and a fungicide or an insecticide active substance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285989A (en) * | 2014-09-10 | 2015-01-21 | 广东中迅农科股份有限公司 | Pesticide composition containing pyraclostrobin and propamidine |
| CN104285989B (en) * | 2014-09-10 | 2017-06-23 | 广东中迅农科股份有限公司 | A kind of composition pesticide containing pyraclostrobin and propamidine |
| CN109221148A (en) * | 2018-09-27 | 2019-01-18 | 广东省农业科学院植物保护研究所 | A kind of composition pesticide of Fluxapyroxad-containsterilization and propamidine |
| CN109221148B (en) * | 2018-09-27 | 2021-02-12 | 广东省农业科学院植物保护研究所 | Pesticide composition containing fluxapyroxad and propamidine |
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| CN103518726B (en) | 2015-11-18 |
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