CN103444734A - Bactericidal composition containing benthiavalicarb-isopropyl and azoxystrobin and application thereof - Google Patents
Bactericidal composition containing benthiavalicarb-isopropyl and azoxystrobin and application thereof Download PDFInfo
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- CN103444734A CN103444734A CN2013103955221A CN201310395522A CN103444734A CN 103444734 A CN103444734 A CN 103444734A CN 2013103955221 A CN2013103955221 A CN 2013103955221A CN 201310395522 A CN201310395522 A CN 201310395522A CN 103444734 A CN103444734 A CN 103444734A
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- fluoxastrobin
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- benzene metsulfovax
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Abstract
The invention discloses a bactericidal composition containing benthiavalicarb-isopropyl and azoxystrobin and application thereof, for solving the problem that the production cost is increased since plants can gradually produce pesticide resistance to the existing pesticide along with large-area application of pesticides and users have to increase the dosage of the pesticides. The bactericidal composition contains benthiavalicarb-isopropyl and azoxystrobin the weight part ratio of which is (1:20)-(20:1). A new bactericidal composition is compounded of components, can be used for preventing and treating plant diseases, and has an excellent effect; in addition, through the compounding of components, the application amount of single component can be effectively decreased and the production cost can be effectively lowered. The composition is wide in application range and good in effect, and the experimental results show that the components of the composition have obvious synergetic effect.
Description
Technical field
The present invention relates to agriculture field, especially the agriculture chemicals fungicide field, be specially a kind of bactericidal composition that contains benzene metsulfovax and Fluoxastrobin and application thereof, and it can be used in prevents and treats plurality of plant diseases.
Background technology
In agricultural production, plant disease can cause and have a strong impact on the growth of plant, brings serious economic loss to the plantation family.
Cucumber downy mildew (Cucumber downy mildew), be commonly called as " black wool " " horse race dry " etc., is a kind ofly the most seriously on the cucumber impact often to send out the venereal disease evil, if prevent and treat ineffectively, bring heavy losses will to the production plantation of cucumber.This disease main harm blade, tendril, climing and bennet also can be injured.When serious, can make scab in flakes, whole-tobacco leaves roll contracting, withered, only pay attention to leaf.This disease, except the harm cucumber growth, also can endanger the plants such as wax gourd, sponge gourd.
Tomato late blight is on the comparatively serious a kind of disease of tomato growth impact, in some areas, occurs, and its main harm protection ground tomato, many times of rainy weather, comparatively serious to the harm of tomato especially continuously.It is fallen ill when serious, can make that tomato stem rots, plant wither, fruit browning look, has a strong impact on the output of tomato.
Potato late blight is the comparatively general a kind of disease of potato, comparatively serious to the growth effect of potato.In recent years, potato late blight occurs in part counties and cities large tracts of land, and the gesture of causing disaster is arranged, and especially middle and high Mountain area is influenced the most serious.In rainy, the cold wet time of weather, it can make potato plant withered in advance, causes the potato underproduction 20～40%, has a strong impact on the output of potato.
Epidemic disease, as a kind of common fungal disease, affects capsicum epidemic disease most serious of all to plant.Capsicum epidemic disease can endanger root, stem, branch, the leaf and fruit of plant, often causes the Large Scale Death of plant, and situation about generally occurring is all arranged in each province.And, for shed for pepper, its morbidity is also quite serious, especially obvious with the spring Pepper in Greenhouse.Once the shed for pepper morbidity, can expand rapidly, makes the yield reducation 20%～30% of capsicum, the situation that even has total crop failure occurs.
Along with the large tracts of land of agricultural chemicals is used, plant can produce drug resistance to existing agricultural chemicals gradually, thereby makes the user must strengthen the usage amount of agricultural chemicals, improves production cost.The speed produced in order to delay the pathogen resistance, reduce the agricultural chemicals use cost, is necessary the novel agricultural medicine that is suitable for the agricultural application that provides new.
Summary of the invention
Goal of the invention of the present invention is: for the large tracts of land along with agricultural chemicals, use, plant can produce drug resistance to existing agricultural chemicals gradually, thereby make the user must strengthen the usage amount of agricultural chemicals, the problem that production cost raises, provide a kind of bactericidal composition that contains benzene metsulfovax and Fluoxastrobin and application thereof.Composite by between component of bactericidal composition of the present invention, prepare a kind of new bactericidal composition, it can be used in the control of plant disease, and there is good effect, simultaneously, composite by between component of the present invention, can effectively reduce the amount of application of single component, effectively reduces production costs.Composition of the present invention is applied widely, effective, and result of the test also shows to have obvious synergistic function between the component of said composition.
To achieve these goals, the present invention adopts following technical scheme:
A kind of bactericidal composition that contains benzene metsulfovax and Fluoxastrobin, comprise benzene metsulfovax, Fluoxastrobin, and the ratio of weight and number of described benzene metsulfovax and Fluoxastrobin is 1:20～20:1.
The ratio of weight and number of described benzene metsulfovax and Fluoxastrobin is 1:10～10:1.
Also comprise acceptable auxiliary element.
The formulation of described bactericidal composition is the formulation allowed on agricultural chemicals.
The formulation of described bactericidal composition is a kind of in wetting powder, suspending agent, water dispersible granules.
Application in the plant disease pesticidal preparations that the aforementioned bactericidal composition that contains benzene metsulfovax and Fluoxastrobin causes at preparation control oomycetes disease fungus.
Application in one or more the pesticidal preparations of the aforementioned bactericidal composition that contains benzene metsulfovax and Fluoxastrobin in preparation control cucumber downy mildew, tomato late blight, potato late blight, capsicum epidemic disease.
The application of the aforementioned bactericidal composition that contains benzene metsulfovax and Fluoxastrobin, the control by this bactericidal composition for cucumber downy mildew, tomato late blight, potato late blight, capsicum epidemic disease.
Benzene metsulfovax (benthiavalicarb-isopropyl) is as a kind of new amino acid carbamate fungicide, it has high selectivity, Oomycete germ for various crop, as late blight and downy mildew, there is excellent prevention and therapeutic activity, simultaneously to many vegetables and fruit nonhazardous, environmentally safe.The benzene metsulfovax is suppressing, on mycelial growth, to have effect preferably, but undesirable for suppressing the spore germination effect.
Fluoxastrobin (Azoxystrobin) is a kind of brand-new methoxy acrylic bactericide, has good crop safety and very outstanding Environmental compatibility.It is by suppressing the respiration of germ, and the energy that destroys germ is synthetic, thereby killing pathogenic bacteria has protection, treats and root out triple function.It has certain preventive and therapeutic effect to cucumber downy mildew, anthracnose etc., but adopts separately cost higher.
The present invention is directed to foregoing problems, a kind of bactericidal composition that contains benzene metsulfovax and Fluoxastrobin and application thereof are provided.It is active ingredient that benzene metsulfovax, Fluoxastrobin are take in the present invention, by cooperatively interacting of benzene metsulfovax, Fluoxastrobin, thereby makes the bactericidal composition of preparation have good control efficiency.Applicant's discovery, the benzene metsulfovax adopted in the present invention is the methoxy acrylic acid lipoid substance, the benzene metsulfovax is the novel agricultural antibiotic, both mechanism of action differences, the action site difference, without mutual pesticide resistance, after mutually being mixed, germ is difficult for developing immunity to drugs.By evidence, benzene metsulfovax, Fluoxastrobin, in protection scope of the present invention, have the effect of Synergistic, can effectively slow down drug-fast generation, reduce user's use cost.
Bactericidal composition of the present invention, also comprise acceptable auxiliary element in pesticidal preparations.This compound can also comprise auxiliary agent and excipient in pesticidal preparations.The formulation of bactericidal composition of the present invention is the formulation allowed on agricultural chemicals, can be in wetting powder, suspending agent, water dispersible granules a kind of.
Bactericidal composition of the present invention can be used in the plurality of plant diseases that control oomycetes disease fungus causes, as cucumber downy mildew, tomato late blight, potato late blight, capsicum epidemic disease.Result of the test shows, the present invention can effectively prevent and treat cucumber downy mildew, tomato late blight, potato late blight, capsicum epidemic disease etc., and control efficiency is apparently higher than benzene metsulfovax, Fluoxastrobin single dose.The present invention is by composite by the component of different mechanism of action, the mode of action, can effectively reduce the amount of application of each single dose, prepared bactericidal composition is applied widely, effective, experiment results proved, and bactericidal composition of the present invention has good synergistic function.
Bactericidal composition bactericidal effect of the present invention is good, can effectively delay the pesticide resistance of plant, and applied widely, and production cost is low simultaneously, and consumption is few, can effectively reduce user's use cost, increases user's income.
The accompanying drawing explanation
Fig. 1 is benzene metsulfovax and the azoxystrobin compound Toxicity Determination figure to tomato late blight.
Fig. 2 is the control efficiency figure of the present invention to cucumber downy mildew.
Fig. 3 is the control efficiency figure of the present invention to capsicum epidemic disease.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this specification, unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is,, unless special narration, each feature is an example in a series of equivalences or similar characteristics.
Embodiment 1 suspending agent
Take respectively 20.0kg benzene metsulfovax, 1.0kg Fluoxastrobin, 4.0kg alkylphenol polyoxyethylene phosphate, 2.0kg sodium alkyl sulfonate, 0.3kg xanthans, 5kg ethylene glycol, 67.7kg water, standby.
Each component taken is mixed, mix through high speed shear, then, by sand mill sand milling 2-3 hour, make its average grain diameter at 2-5 microns, obtain the suspending agent preparation.
Embodiment 2 water-dispersible grain agent formulations
Take respectively 40.0g benzene metsulfovax, 4.0g Fluoxastrobin, 8.0g sodium lignin sulfonate, 2.0g lauryl sodium sulfate, 2.0g urea, 44g kaolin, standby.
After benzene metsulfovax, Fluoxastrobin, kaolin are mixed, send in airslide disintegrating mill, be crushed to particle diameter≤75 micron, mix through the double helix cone-type mixer, obtain the first mixture.The first composition is mixed with water, sodium lignin sulfonate, lauryl sodium sulfate, urea, obtain the second mixture.The second mixture is sent in comminutor and carried out granulation, form the particle of 1200～1600 microns, then, by after particle drying, obtain the water-dispersible grain agent formulation.
Take respectively 10.0g benzene metsulfovax, 2.0g Fluoxastrobin, 5.0g sodium alkyl sulfonate formaldehyde condensation products, 2.0g lauryl sodium sulfate, 81g kaolin, standby.
After each component is mixed, through mechanical crushing, and then, through air-flow crushing, each component is fully mixed, obtain Wettable pesticide powder.
Embodiment 4
Wettable pesticide powder
Take respectively 10.0g benzene metsulfovax, 10.0g Fluoxastrobin, 5.0g sodium alkyl sulfonate formaldehyde condensation products, 2.0g lauryl sodium sulfate, 73g kaolin, standby.
After each component is mixed, obtain the first mixture, the first mixture is carried out to mechanical crushing, obtain the first mechanical crushing material.The first crushed material after air-flow crushing, mixes again, obtains Wettable pesticide powder.
Embodiment 5
Wettable pesticide powder
Take respectively 4.0g benzene metsulfovax, 20.0g Fluoxastrobin, 5.0g sodium alkyl sulfonate formaldehyde condensation products, 2.0g lauryl sodium sulfate, 69g kaolin, standby.
After each component is mixed, through mechanical crushing, and then, through air-flow crushing, each component is fully mixed, obtain Wettable pesticide powder.
Wettable pesticide powder
Take respectively 1.0g benzene metsulfovax, 10.0g Fluoxastrobin, 5.0g sodium alkyl sulfonate formaldehyde condensation products, 1.0g polycarboxylate, 83g kaolin, standby.
After each component is mixed, through mechanical crushing, and then, through air-flow crushing, each component is fully mixed, obtain Wettable pesticide powder.Wherein, polycarboxylate is bought inferior (Shanghai) international corporation from sieve ground.
Wettable pesticide powder
Take respectively 2.0g benzene metsulfovax, 40.0g Fluoxastrobin, 5.0g sodium alkyl sulfonate formaldehyde condensation products, 1.0g polycarboxylate, 52g kaolin, standby.
After each component is mixed, through mechanical crushing, and then, through air-flow crushing, each component is fully mixed, record the quality index such as content and suspensibility qualified after, obtain Wettable pesticide powder.
Be below that actual effect of the present invention is measured.
(1) benzene metsulfovax and azoxystrobin compound are tested the tomato late blight Toxicity Determination
For trying pathogen: the tomato late blight germ.
Test method: adopt Plating, each is processed and repeats 5 times, measures the scab diameter after 6d, calculates EC
50and co-toxicity coefficient, result of the test is as shown in Figure 1.
Fig. 1 is benzene metsulfovax and the azoxystrobin compound Toxicity Determination figure to tomato late blight.In Fig. 1, the 2nd behavior adopts separately Fluoxastrobin as reagent agent; The 3rd behavior adopts separately the benzene metsulfovax as reagent agent; The 4th behavior by Fluoxastrobin and benzene metsulfovax press the ratio of weight and number of 20:1 composite after, as reagent agent; The 5th behavior by Fluoxastrobin and benzene metsulfovax press the ratio of weight and number of 10:1 composite after, as reagent agent; The 6th behavior by Fluoxastrobin and benzene metsulfovax press the ratio of weight and number of 5:1 composite after, as reagent agent; The 7th behavior by Fluoxastrobin and benzene metsulfovax press the ratio of weight and number of 1:1 composite after, as reagent agent; Eighth row be by Fluoxastrobin and benzene metsulfovax press the ratio of weight and number of 1:5 composite after, as reagent agent; The 9th behavior by Fluoxastrobin and benzene metsulfovax press the ratio of weight and number of 1:10 composite after, as reagent agent; The 10th behavior by Fluoxastrobin and benzene metsulfovax press the ratio of weight and number of 1:20 composite after, as reagent agent.
In Fig. 1, co-toxicity coefficient (CTC) >=120 means to have synergistic effect; 80<CTC<120 mean summation action; CTC≤80 mean to have antagonism.
This Toxicity Determination result shows, benzene metsulfovax and azoxystrobin compound have good control efficiency to tomato late blight, and control efficiency is better than the single dose kind.
(2) product that adopts previous embodiment to prepare is prevented and treated the cucumber downy mildew test
Test is processed: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This test medicine consumption, according to the difference of each composition, is established respectively three concentration for the treatment of; The contrast medicament is respectively: 50% Fluoxastrobin suspension pesticide, clear water that benzene metsulfovax Wettable pesticide powder, the mass concentration that commercially available mass concentration is 15% is 50%.
Test method: with 50 m
2area is as a little zone (abbreviation community), and each community area is 50 m
2, each repeats 4 times.Inspection drug effect method before dispenser after Investigation and Prevention is: each community diagonal is got a little, and every is extracted 10 strain investigation, and the percentage that accounts for whole leaf area with the lesion area on the whole strain leaf of every strain carrys out classification, and result of the test as shown in Figure 2.
Fig. 2 is the control efficiency figure of the present invention to cucumber downy mildew.
The field efficacy result shows, the present invention has good control efficiency to cucumber downy mildew, and control efficiency is better than the single dose kind.
(3) product that adopts previous embodiment to prepare is prevented and treated the capsicum epidemic disease test
Test is carried out under field condition, the agricultural production routinely of the cultivation management of trial crops.The reagent agent that field efficacy is measured is all established 3 dosage, establishes control group simultaneously, and each experiment repeats for 4 times.Test is not fallen ill in field or the their early stage dispenser, and spraying equipment is knapsack hand sprayer.Wherein, the blank group adopts natural occurrence, under the prerequisite of not dispenser, carries out investigation as a result while fully falling ill.Disease scale, preventive effect computational methods are all carried out State Standard of the People's Republic of China's ［ pesticide field efficacy medicine test criterion ］.
Experimental result as shown in Figure 3.Fig. 3 is the control efficiency figure of the present invention to capsicum epidemic disease.
Experimental result shows: the present invention has excellent preventive and therapeutic effect to disease.Simultaneously, the field efficacy result shows, the present invention has good control efficiency to capsicum epidemic disease, and control efficiency is better than the single dose kind.
The present invention also is applied to potato late blight etc., has obtained control efficiency preferably.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination disclosed in this manual, and the arbitrary new method disclosed or step or any new combination of process.
Claims (7)
1. a bactericidal composition that contains benzene metsulfovax and Fluoxastrobin, is characterized in that, comprises benzene metsulfovax, Fluoxastrobin, and the ratio of weight and number of described benzene metsulfovax and Fluoxastrobin is 1:20～20:1.
2. the bactericidal composition that contains benzene metsulfovax and Fluoxastrobin according to claim 1, is characterized in that, the ratio of weight and number of described benzene metsulfovax and Fluoxastrobin is 1:10～10:1.
3. the bactericidal composition that contains benzene metsulfovax and Fluoxastrobin according to claim 1 and 2, is characterized in that, also comprises acceptable auxiliary element.
4. according to the described bactericidal composition that contains benzene metsulfovax and Fluoxastrobin of claim 1-3 any one, it is characterized in that, the formulation of described bactericidal composition is the formulation allowed on agricultural chemicals.
5. the bactericidal composition that contains benzene metsulfovax and Fluoxastrobin according to claim 4, is characterized in that, the formulation of described bactericidal composition is a kind of in wetting powder, suspending agent, water dispersible granules.
6. the application in the plant disease pesticidal preparations caused at preparation control oomycetes disease fungus according to the described bactericidal composition that contains benzene metsulfovax and Fluoxastrobin of claim 1-5 any one.
7. the application in the pesticidal preparations of one or more in preparation control cucumber downy mildew, tomato late blight, potato late blight, capsicum epidemic disease according to the described bactericidal composition that contains benzene metsulfovax and Fluoxastrobin of claim 1-5 any one.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004047540A2 (en) * | 2002-11-27 | 2004-06-10 | Isagro S.P.A. | Fungicidal compositions containing at least one salt of phosphorous acid and at least a second fungicidal component |
| CN103053561A (en) * | 2013-02-04 | 2013-04-24 | 陕西农心作物科技有限公司 | Benthiavalicarb isopropyl containing bactericidal composition |
| CN103109825A (en) * | 2013-01-27 | 2013-05-22 | 成都科利隆生化有限公司 | Pesticide composition of benthiavalicarb-isopropyl and azoxystrobin |
| CN103392716A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Bactericidal composition containing benthiavalicarb isopropyl and azoxystrobin |
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- 2013-09-04 CN CN2013103955221A patent/CN103444734A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004047540A2 (en) * | 2002-11-27 | 2004-06-10 | Isagro S.P.A. | Fungicidal compositions containing at least one salt of phosphorous acid and at least a second fungicidal component |
| CN103109825A (en) * | 2013-01-27 | 2013-05-22 | 成都科利隆生化有限公司 | Pesticide composition of benthiavalicarb-isopropyl and azoxystrobin |
| CN103053561A (en) * | 2013-02-04 | 2013-04-24 | 陕西农心作物科技有限公司 | Benthiavalicarb isopropyl containing bactericidal composition |
| CN103392716A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Bactericidal composition containing benthiavalicarb isopropyl and azoxystrobin |
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Application publication date: 20131218 |