CN101946787A - Germicide composition containing fluoride pyridine amide bacteria and carbendazim - Google Patents
Germicide composition containing fluoride pyridine amide bacteria and carbendazim Download PDFInfo
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- CN101946787A CN101946787A CN2010105155265A CN201010515526A CN101946787A CN 101946787 A CN101946787 A CN 101946787A CN 2010105155265 A CN2010105155265 A CN 2010105155265A CN 201010515526 A CN201010515526 A CN 201010515526A CN 101946787 A CN101946787 A CN 101946787A
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Abstract
The invention relates to a germicide composition in pesticide formulation field, the active constituents are fluoride pyridine amide bacteria and carbendazim with the mass ratio of 1-60: 60-1, preferably 1-30: 30-1, most preferably 1-15: 15-1; the total mass percentage of active constituents in the germicide composition is 1-90%, preferably 20-60%, and the rest is allowable and acceptable auxiliary ingredients in pesticide which can be prepared into missible oil, wettable powder, water dispersible granule and suspending agent with known method. The germicide composition prepared by compounding fluoride pyridine amide bacteria and carbendazim according to a certain proportion has obvious synergized action for controlling Fungal diseases such as powdery mildew and downy mildew in grain, cotton, oil, fruit, vegetables and flowers.
Description
Technical field
The present invention relates to a kind of composition pesticide, is a kind of bactericidal composition that contains fluorine pyrrole bacterium acid amides and carbendazim specifically.
Background technology
Fluorine pyrrole bacterium acid amides, English common name fluopyram, chemical name is N-{2-[3-chloro-5-(trifluoromethyl)-2-pyridine radicals] ethyl-α, α, α-three fluoro-O-toluamide }, be a kind of new benzamides series bactericidal agent, shift by the electronics that hinders succinate dehydrogenase in the respiratory chain and suppress mitochondrial respiratory.Be mainly used in the microbial disease of control capsule on the broad leaf crop.To the downy mildew on the vegetables such as cucumber, custard squash, powdery mildew, the downy mildew of fruit tree etc. causes that by germ multiple diseases has favorable effect.Its chemical structural formula is:
Carbendazim (carbendazim), chemical name are N-(2-benzimidazolyl) methyl carbamate, belong to the benzimidazole systemic fungicide; high-efficiency low-toxicity; effective to sac fungi and imperfect fungus, invalid to oomycetes and bacterial disease, have protection and therapeutic action.The mechanism of action is imitated the formation of hammer body in the mitosis of interference bacterium, thereby is influenced cell division for to transfer to other positions by plant absorbing and through conduction, suppresses its growth.Its fungicidal spectrum is wider, is processed into pulvis, wetting powder and suspending agent usually and uses, and does seed treatment or foliage spray, be used to prevent and treat grain, cotton, oil, really, the multiple fungal diseases of vegetables, flowers, also can be used for the fresh-keeping of fruit.Industrial products are white solid, 330～335 ℃ of pure product fusing points (decomposition), in water and organic solvent dissolving very little, dissolve in acid (salify), stable in properties is easily decomposed but meet alkali.Its chemical structural formula is:
In agricultural production because the similar medicament of long-term single use, the single systemic fungicide of action site particularly, make germ show more and more higher resistance to some medicaments commonly used, drug effect descends, press in the production control grain, cotton, oil, really, the pharmaceutical preparations of the multiple fungal diseases of vegetables, flowers.Effect in the production application of border factually, 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.Fluorine pyrrole bacterium acid amides is different with the carbendazim mechanism of action, and mutually composite have good synergistic effect within the specific limits, and composite about fluorine pyrrole bacterium acid amides and carbendazim, does not see relevant report at present at home and abroad as yet.
Summary of the invention
Based on above situation, purpose of the present invention is by fluorine pyrrole bacterium acid amides and carbendazim rationally are mixed, obtain a kind of bactericidal composition, be used to prevent and treat grain, cotton, oil, really, the multiple fungal diseases of vegetables, flowers, delay the drug-fast generation of germ, enlarge fungicidal spectrum and reduce drug cost, improve actual preventive effect.
The invention is characterized in that be that active ingredient is mixed with fluorine pyrrole bacterium acid amides (A) with carbendazim (B), wherein the mass ratio A of active ingredient: B is 1～60: 60～1, the preferred mass ratio is 1～30: 30～1, can be more preferably 1～15: 15～1 through toxicity test experiment.
The formulation that described bactericidal composition of the present invention can be prepared according to the known method of those skilled in the art of the present technique is missible oil, wetting powder, water-dispersible granules and suspending agent.
Described bactericidal composition active ingredient fluorine pyrrole bacterium acid amides of the present invention and the gross mass content of carbendazim in preparation are 1%～90%, are preferably 20%～60%.All the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
The auxiliary agent (auxiliary element) that uses in the described bactericidal composition of the present invention comprises wetting agent, dispersant, antifreezing agent, thickener, defoamer, disintegrant, filler etc., and other to be of value to the known substance of active ingredient stable and drug effect performance in preparation-all be commonly used or allow the various compositions that use in the pesticidal preparations, concrete composition and consumption, according to the prescription requirement, determine by routine test.
Described wetting agent is selected from: lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX., among the wetting and penetrating agent F, alkylnaphthalene sulfonate, polyoxyethylene triphenylethylene phosphenylic acid salt, spaonin powder, silkworm excrement, soapberry powder one or more.
Described dispersant is selected from one or more in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, the fatty acid glyceride APEO.
Described antifreezing agent is selected from: one or more in ethylene glycol, propane diols, the glycerine.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, 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 disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
The present invention is that the composite bactericidal composition of active ingredient has significant synergies with fluorine pyrrole bacterium acid amides and carbendazim, but the fungal disease of high-efficiency prevention and control various crop, and delaying drug resistance produces.Fungicidal composition of the present invention can be used for preventing and treating the multiple diseases of crops such as vegetables, fruit tree, especially cucumber downy mildew, powdery mildew, custard squash powdery mildew, downy mildew of garpe, tomato downy mildew, tomato late blight, capsicum epidemic disease etc., and preventive effect is remarkable.
Embodiment:
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention only limits to these examples absolutely not.The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) all is a mass ratio.
Fluorine pyrrole bacterium acid amides and the composite synergy test of carbendazim.It is tested object that the powdery mildew of cucumber bacterium is adopted in test.
Concrete grammar is:
(1) test medicine
The former medicine of 96% fluorine pyrrole bacterium acid amides is produced by Jiangsu Heyi Chemical Industry Co., Ltd.; 95% carbendazim active compound, Jiangsu Province Jiangyin City Agricultural Chemical No.2 Plant Co., Ltd. produces.
(2) experimental subjects
The powdery mildew of cucumber bacterium, the cucumber cultivation ground collection of not executing fluorine pyrrole bacterium amine and carbendazim and similar medicament from Shouguang, Shandong separates; Chang Chun Mi Ci.
(3) test method and synergistic effect are measured
The soup preparation of 1. single agent toxicity test
96% fluorine pyrrole bacterium acid amides and carbendazim active compound acetone are dissolution with solvents, are made into 10000 μ g/ml mother liquors, and is in 4 ℃ of preservations, stand-by.
2. test plant
In pot for growing seedlings, place the greenhouse to cultivate susceptible cucumber variety Chang Chun Mi Ci cultivation, plant grows to three to four leaf after dates, gathers the blade of identical leaf age, is used for cultivation and the mensuration of powdery mildew of cucumber bacterium.
3. the preparation of cultivation of powdery mildew of cucumber bacterium and spore suspension
The powdery mildew of cucumber bacterium adopts live body plant method to cultivate under 20 ℃, the condition of 12h alternation of light and darkness, and every 30d changes to be commissioned to train and supports 1 time.With the conidium on the sterile water wash-out incidence of leaf, being mixed with spore concentration is 1 * 10 during inoculation
6The suspension of individual/mL.
4. strains tested sensitivity testing
Adopt the leaf dish method of preserving moisture to carry out toxicity test.Earlier the blade of gathering is prepared into the leaf dish that diameter is 1.5cm, mixing at random, place the series concentration soup that configures to soak 1h respectively, 50 leaf dishes of each concentration, test is with the blank that is treated to of adding medicine not, after soaking end, leaf faces up and puts on the wetting blotting paper of identical liquor strength, soup on the leaf dish is blotted, the spore suspension 10L for preparing is inoculated in leaf dish central authorities, after room temperature is placed 5min, places under 20 ℃, the condition of 12h alternation of light and darkness and cultivate, measure the onset area on the leaf dish behind the 10d, calculate EC
50
On the basis of preliminary experiment, respectively single agent fluorine pyrrole bacterium acid amides and carbendazim are carried out toxicity test, the two EC in order to last method
50Value is respectively 1.0mg/l and 9.8mg/l.
The percentage that accounts for the leaf disc area according to lesion area is divided sick level:
0 grade: scab
1 grade: lesion area accounts for 1%～20% of leaf disc area
2 grades: lesion area accounts for 21%～50% of leaf disc area
3 grades: lesion area accounts for more than 50% of leaf disc area
5. combination setting is mixed
60% fluorine pyrrole bacterium acid amides carbendazim mass ratio is respectively 5%+55%, 6%+54%, 10%+50%, 15%+45% and 30%+30% totally 5 combinations that are mixed.
6. mixture toxicity test and interpretation of result
Carry out the toxicity test of mixture according to mixed ratio with single agent toxicity test method.
EC that each that will measure according to the abundant method of Sun Yun handled
50Value is converted into the actual toxicity index (ATI) of using with; According to the proportioning of mixture, obtain theory and use toxicity index (TTI) with, calculate the co-toxicity coefficient (CTC) of mixture by following formula.
Single agent toxicity index=(standard medicament EC
50/ reagent agent EC
50) * 100
ATI=(standard medicament EC
50/ reagent agent (using with) EC
50) * 100
The content (%) of toxicity index X B in using with of content (the %)+B of the toxicity index x A of TII=A in using with
CTC＝(ATI/TTI)*100
If co-toxicity coefficient is big by 120, showing has synergistic effect; If be starkly lower than 100 (below 80), be indicated as the anti-effect of picking up; Between 100～120, be indicated as the summation action data and see Table 2
The different proportioning fluorine of table 1 pyrrole bacterium acid amides and carbendazim mixture are to the virulence of powdery mildew of cucumber bacterium
The composite co-toxicity of table 2 fluorine pyrrole bacterium acid amides and carbendazim to the powdery mildew of cucumber bacterium
| Test medicine | Mass ratio | The actual measurement poison refers to | Theoretical poison refers to | Co-toxicity coefficient | Conclusion |
| Fluorine pyrrole bacterium acid amides (A) | 1∶0? | 100.00? | 100.00? | /? | /? |
[0056]?
| Carbendazim (B) | 0∶1? | 10.20? | 10.20? | /? | /? |
| A+B? | 1∶11? | 12.13? | 10.61? | 114.3? | Addition |
| A+B? | 1∶9? | 14.94? | 11.51? | 129.8? | Synergy |
| A+B? | 1∶5? | 16.69? | 15.10? | 110.5? | Addition |
| A+B? | 1∶3? | 20.53? | 19.59? | 104.8? | Addition |
| A+B? | 1∶1? | 32.6? | 33.06? | 99.1? | Addition |
According to bactericide joint toxicity measuring result, fluorine pyrrole bacterium acid amides carbendazim mass ratio is that 1: 9 o'clock co-toxicity coefficient is 129.8, greater than 120, shows as synergistic effect, and other show as summation action, is best proportioning so think 1: 9.
Test example 1: field trial is to the control efficiency of powdery mildew of cucumber
(1) pilot survey method
Experimental field be located at the cucumber ground in Yangling District Li Tai township, Shaanxi Province, 4 points are investigated in every sub-district, and every some investigation 2 strains are write down occurring degree with staging, and grade scale is as follows:
0 grade: no scab;
1 grade: lesion area accounts for whole below 5% of leaf area;
3 grades: lesion area accounts for whole leaf area 6%～10%;
5 grades: lesion area accounts for 11%～20% of whole leaf area;
7 grades: lesion area accounts for 21%～40% of whole leaf area;
9 grades: lesion area accounts for whole more than 40% of leaf area.
(2) control time and number of times
Test is investigated 4 times altogether, i.e. disease index investigation before the medicine, preventive effect investigation in 7 days behind the 1st medicine, 7 days and preventive effect investigation in 15 days behind 2 medicines.
(3) drug effect computational methods
Sick leaf rate (the %)=sick number of sheets/investigate total number of sheets * 100
Disease index=∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigating total number of sheets * 9) * 100
Control efficiency (%)=(1-(disease index behind disease index before the blank district medicine * treatment region medicine)/(disease index before disease index behind the blank district medicine * treatment region medicine)) * 100
(4) poisoning investigation method
Whether continuous 7d range estimation medicament has poisoning to crop after the dispenser.
(5) result of the test and analysis
Each handles the effect of preventing and treating powdery mildew of cucumber table 3
As shown in Table 3, fluorine pyrrole bacterium acid amides and the carbendazim effect for powdery mildew of cucumber under 1: 9 proportioning is remarkable; Behind its 1 time, 2 times medicines behind 7 days and 2 medicines 15 days preventive effect significantly be better than two kinds of single agent, illustrate that complex preparation has significant synergistic effect, not only quick-acting is better for germ for it, and lasting effect is also very remarkable; In addition, through field trial checking, the agent of fluorine pyrrole bacterium acid amides list is better than the agent of carbendazim list for the preventive effect of powdery mildew of cucumber, and complex preparation and two kinds of single agent all in the using dosage scope to crop safety, have no adverse effects.
Test example 2: field trial is measured the control efficiency to the custard squash powdery mildew
(1) investigation method
Experimental field be located in the custard squash booth in Yangling District Li Tai township, Shaanxi, 4 points are investigated in every sub-district, and every some investigation 2 strains are put down in writing occurring degree with staging, and grade scale is as follows:
0 grade: no scab;
1 grade: lesion area accounts for whole below 5% of leaf area;
3 grades: lesion area accounts for whole leaf area 6%～10%;
5 grades: lesion area accounts for 11%～20% of whole leaf area;
7 grades: lesion area accounts for 21%～40% of whole leaf area;
9 grades: lesion area accounts for whole more than 40% of leaf area.
(2) control time and number of times
Test is investigated 4 times altogether, i.e. disease index investigation before the medicine, preventive effect investigation in 7 days behind the 1st medicine, 7 days and preventive effect investigation in 15 days behind 2 medicines.
(3) drug effect computational methods
Diseased plant leaf (the %)=sick number of sheets/investigate total number of sheets * 100
Disease index=∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigating total number of sheets * 9) * 100
Control efficiency (%)=(1-(disease index behind disease index before the blank district medicine * treatment region medicine)/(disease index before disease index behind the blank district medicine * treatment region medicine)) * 100
(4) poisoning investigation method
Whether continuous 7d range estimation medicament has poisoning to crop after the dispenser.
(5) result of the test and analysis
Each handles the effect of control custard squash powdery mildew table 4
As shown in Table 4, the effect of 1: 9 the combination control custard squash powdery mildew that is mixed of fluorine pyrrole bacterium acid amides carbendazim is remarkable.Under the consumption of same every mu 10 gram, the effect of complex preparation significantly is better than two kinds of single agent, and its quick-acting and lasting effect are all relatively good, and be the most outstanding with lasting effect especially.Complex preparation significantly is better than effect under the low concentration consumption in control efficiency under the consumption of high concentration.15 days lasting effect is more remarkable after 7 days control efficiency behind the 1st, 2 medicine reaches 75,77% and 80,89%, the 2 medicine respectively, reaches 84.77%.Result of the test proves that 41.7% fluorine pyrrole bacterium acid amides list agent effect obviously is better than 70% carbendazim list agent.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to custard squash all do not occur, illustrates that it is safe to custard squash.
In sum, fluorine pyrrole bacterium acid amides carbendazim has remarkable prevention effect for Curcurbitaceae white powder germ under reasonable proportioning, gives prominence to good with its instant effect, lasting effect.By composite, not only significantly improved drug effect, enlarged fungicidal spectrum simultaneously, delayed the drug-fast generation of germ.So the popularization of this complex preparation has crucial meaning to agricultural production.
Claims (7)
1. pesticide sterilizing composite is characterized in that: is that active ingredient is mixed with fluorine pyrrole bacterium acid amides (A) with carbendazim (B).
2. bactericidal composition according to claim 1 is characterized in that: the mass ratio of effective constituents A and B is 1～60:60～1.
3. bactericidal composition according to claim 1 is characterized in that: the mass ratio of effective constituents A and B is preferably 1～30:30～1.
4. bactericidal composition according to claim 1 is characterized in that: the mass ratio of effective constituents A and B is 1～15:15～1 more preferably.
5. bactericidal composition according to claim 1 is characterized in that: effective constituents A and the B gross mass percentage composition in preparation is 1%-90%.
6. bactericidal composition according to claim 1 is characterized in that: effective constituents A and the B gross mass percentage composition in preparation is preferably 20%-60%.
7. bactericidal composition according to claim 1 is characterized in that: the formulation that bactericidal composition of the present invention can be prepared according to the known method of those skilled in the art of the present technique is missible oil, wetting powder, water-dispersible granules and suspending agent.
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518741A (en) * | 2012-07-06 | 2014-01-22 | 陕西美邦农药有限公司 | Fluopyram-containing high-efficiency bactericidal composition |
| CN104909885A (en) * | 2015-05-29 | 2015-09-16 | 河南科技学院 | Compound pesticide-fertilizer composition capable of controlling powdery mildew of Cedrela sinensis, and production method and application thereof |
| CN106417346A (en) * | 2016-09-20 | 2017-02-22 | 佛山市盈辉作物科学有限公司 | Sterilizing composition containing biguanide trioctyl alkylbenzene sulfonate and fluopyram |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005077180A1 (en) * | 2004-02-12 | 2005-08-25 | Bayer Cropscience Sa | Fungicidal composition comprising a pyridylethylbenzamide derivative and a compound capable of inhibiting mitosis and cell division |
-
2010
- 2010-10-22 CN CN2010105155265A patent/CN101946787A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005077180A1 (en) * | 2004-02-12 | 2005-08-25 | Bayer Cropscience Sa | Fungicidal composition comprising a pyridylethylbenzamide derivative and a compound capable of inhibiting mitosis and cell division |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518741A (en) * | 2012-07-06 | 2014-01-22 | 陕西美邦农药有限公司 | Fluopyram-containing high-efficiency bactericidal composition |
| CN104909885A (en) * | 2015-05-29 | 2015-09-16 | 河南科技学院 | Compound pesticide-fertilizer composition capable of controlling powdery mildew of Cedrela sinensis, and production method and application thereof |
| CN106417346A (en) * | 2016-09-20 | 2017-02-22 | 佛山市盈辉作物科学有限公司 | Sterilizing composition containing biguanide trioctyl alkylbenzene sulfonate and fluopyram |
| CN106417346B (en) * | 2016-09-20 | 2019-02-05 | 佛山市盈辉作物科学有限公司 | A kind of bactericidal composition containing three octyl benzene sulfonate and fluopyram of biguanides |
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Application publication date: 20110119 |