CN101743983B - Fungicidal composition containing flumorph - Google Patents
Fungicidal composition containing flumorph Download PDFInfo
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- CN101743983B CN101743983B CN201010004123A CN201010004123A CN101743983B CN 101743983 B CN101743983 B CN 101743983B CN 201010004123 A CN201010004123 A CN 201010004123A CN 201010004123 A CN201010004123 A CN 201010004123A CN 101743983 B CN101743983 B CN 101743983B
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- CN
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- Prior art keywords
- flumorph
- medicine
- days
- control efficiency
- iprovalicarb
- Prior art date
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- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
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Abstract
The invention relates to a fungicidal composition containing flumorph, of which the effective component is one of flumorph (A) and iprovalicarb, benthiavalicarb-isopropyl and propamocarb (B), the mass ratio of A and B is between 100:1 and 1:100, and the mass percentage of the active components in the composition is 20-80%. The composition can be prepared to suspending agent, wettable powder and water dispersing granule. The fungicidal composition can be applied in the farmland and orchard and is used for preventing various plant diseases, particularly the downy mildew and epidemic disease on the crops such as grain, vegetables, fruit tree and flowers.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially contain the bactericidal composition of flumorph and iprovalicarb or benzene metsulfovax or Propamocarb, composition has protection, prevention and therapeutic action, belongs to the disinfectant use in agriculture field.
Background technology
Downy mildew is a kind of most important disease on gourd, fruit and vegetable is produced.All can take place from seedling to each stage of results, be injured heavier to become strain.The blade of mainly causing harm is developed to upper leaf by base portion.Their early stage forms light yellow subcircular to polygonal scab on the blade face, blade back produced the mould layer of white shape when there was dampness in the air, can spread to the blade face sometimes.The later stage scab is in flakes withered, is yellowish-brown, the withered and yellow death of whole siphonal lobes when serious.Morbidities easily such as field planting is overstocked, it is too early, excessive to water after the field planting, soil moisture big, impeded drainage.Spring is early summer or the easiest generation of continuous rainy weather in autumn not.Especially take place general with cucumber, sponge gourd, balsam pear, muskmelon in melon and be injured heavier.
Downy mildew is the very strong disease of a kind of popularity, in the vegetable-growing area of not planting disease-resistant variety, and light underproduction 30-40% then when disease is popular, serious reaches more than the 70-80%, so that ruin kind.
Eqpidemic disease mainly is meant by the fungus-caused one type of disease of Phytophthora (Phytophthora), mainly cause plant flowers, really, the quick necrosis of leaf portion tissue and rotting.High humidity is to influence the principal element that disease takes place and propagates.Wherein melon eqpidemic disease and potato late blight are important diseases.
In the control of downy mildew and eqpidemic disease, mainly rely on metalaxyl, dimethomorph and some protectiveness medicaments.These medicaments are because long-term use has produced pesticide resistance in various degree, and control efficiency reduces.A large amount of uses of medicament have simultaneously increased residue of pesticide, and the harm food security has increased the weight of environmental pollution.
Flumorph: English name flumorph, chemical name 4-[3-(3, the 4-Dimethoxyphenyl)-3-(4-fluorophenyl) acryloyl] morpholine, molecular formula C
21H
22FNO
4
Flumorph belongs to morpholine class disinfectant use in agriculture.To the Oomycete on melon, grape, potato and the tomato, especially Peronospora and Phytophthora bacterium have the good sterilization effect.
Pesticide active ingredient Combination application with flumorph and other structure type; There is the composition of synergistic effect not only can obviously improve actual preventive effect; Reduce dosage and cost; Also help to avoid the generation and the suspension of pesticide resistance generation speed of germ resistance, thereby solve problems such as resistance and cost in the present agricultural chemicals list agent application process.
Summary of the invention
The object of the present invention is to provide that a kind of new resistance risk is little, cost is low, good drug efficacy, long bactericidal composition of lasting period.
The inventor is through a large amount of indoor biometrics and field control effectiveness tests; After in unexpected discovery flumorph and carbamate fungicide iprovalicarb, benzene metsulfovax, the Propamocarb any one is mixed in certain proportion, diseases such as downy mildew, eqpidemic disease there is significant synergistic effect.
Said iprovalicarb, English name iprovalicarb, chemical name 2-methyl isophthalic acid-[(1-p-methylphenyl ethyl) carbamoyl]-(S)-propyl carbamic acid isopropyl ester, molecular formula C
18H
28N
2O
3
The controlling object of iprovalicarb is that downy mildew, eqpidemic disease are like downy mildew of garpe, potato late blight, tomato late blight, cucumber downy mildew, black shank etc.
Said benzene metsulfovax, English name benthiavalicarb, chemical name [(S)-1-[(R)-1-(6-fluoro benzothiazole-2-yl) ethylamino formoxyl]-the 2-methyl-propyl] carbamic acid isopropyl ester, molecular formula C
18H
24FN
3O
3S.
The benzene metsulfovax has very strong prevention, treatment, osmotically active, and good lasting effect and Nai Yu erosion are arranged.In the field trial, the benzene metsulfovax can be controlled the downy mildew of late blight, grape and other crops of potato and tomato effectively with lower dosage (per hectare 25-75 restrains active ingredient).
Said Propamocarb, English name Propamocarb, chemical name 3-(dimethylamino) propyl carbamic acid n-propyl, molecular formula C
9H
21CLN
2O
2
The mechanism of action of Propamocarb is to suppress the phosphoric acid of germ cell membrane component and synthesizing of fatty acid, suppresses mycelial growth and spreads and sporangial formation and spore germination.Desirable to control efficiency such as the downy mildew of gourd, fruit and vegetable, eqpidemic disease, damping off, late blight, cotton disease, white blisters.
The inventor is on the basis of above-mentioned discovery; Through composition is carried out symphyogenetic quantitative analysis; Formed technical scheme of the present invention; That is: a kind of bactericidal composition, the mass ratio of any one (B) in flumorph in the composition (A) and iprovalicarb, benzene metsulfovax, the Propamocarb is 100: 1～1: 100, A is 30: 1～1: 30 with B quality optimization ratio.Active component gross mass percentage composition is 20～80% in the composition.
The present composition can be prepared into known method and be fit to any one formulation that agricultural is used, and formulation has suspending agent, wetting powder, water dispersible granules etc. preferably.These preparations can be prepared by method in common; For example; Active substance is mixed with liquid flux and/or solid carrier, add surfactant such as emulsifier, dispersant, stabilizing agent, wetting agent simultaneously, can also add adhesive, antifoaming agent, oxidant, dyestuff etc.
For suspending agent, one or more in spendable dispersant such as polycarboxylate, lignosulfonates such as lignin sulfonic acid sodium salt, the alkylnaphthalene sulfonate; Among emulsifier such as Nongru-700 # (common name alkyl phenol formaldehyde resin polyoxyethylene ether), nekal formaldehyde condensation products, agricultural newborn 2201#, this dish-60# (common name sorbitol anhydride monostearate), agricultural newborn 1601# (common name triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), the TERSPERSE 4894 (2500) one or more; In wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products phosphate, the withered powder of tea, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, spaonin powder, silkworm excrement, the soapberry powder one or more; In thickener such as xanthans, polyvinyl alcohol, bentonite, CMC, methylcellulose, the Magnesiumaluminumsilicate one or more; In preservative such as formaldehyde, benzoic acid, the Sodium Benzoate one or more; Antifoaming agent such as organic silicon defoamer; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as the sodium chloride one or more.
For water dispersible granules, one or more in spendable dispersant such as polycarboxylate, lignosulfonates, NNO4, the alkylnaphthalene sulfonate; In wetting agent such as NPE, polyoxyethylene alcohol, alkyl sulfate, alkylsulfonate, the naphthalene sulfonate one or more; In disintegrant such as ammonium sulfate, urea, sucrose, the glucose one or more; In binding agent such as diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose one or more; In filler such as diatomite, calcium bicarbonate, kaolin, white carbon, talcum powder, the potter's clay one or more.
For wetting powder, in spendable dispersant such as polycarboxylate, lignosulfonates, the alkylnaphthalene sulfonate one or more; In wetting agent such as alkyl sulfate, alkylsulfonate, the naphthalene sulfonate one or more; In filler such as ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, the potter's clay one or more.
The present composition can be the finished product preparation form to be provided, and promptly each material mixes in the composition; The composition of composition also can provide with single agent formulation, in bucket (jar), directly mixes before using.Concentrate of the present invention mixes the concentration that obtains required active substance usually with water.
Composition of the present invention can be used for preventing and treating the important disease that is caused by sac fungi, oomycetes etc., is particularly suitable for preventing and treating downy mildew, eqpidemic disease.Composition of the present invention is used field do farmland, orchard etc.
Composition of the present invention also can with other compound with weeding, desinsection or bactericidal property particularly protective fungicide mix use, also can mix use with nematocide, protective agent, growth regulator, nutrient for plants or soil conditioner.
The present invention comprises that also a kind of scene kills the method for fungi, before or after crop and/or fruit are susceptible, uses composition of the present invention to the place of crop and/or fruit and growth or storage.Can use by common method, like cast, injection, spraying, dusting, distribution.Amount of application of the present invention is with weather condition or crop state variation.The duration of protective effect is usually relevant with the content of single compound in the composition, and is relevant with extraneous factor, weather for example, but through using suitable formulation can slow down climatic influences.
Composition of the present invention possesses following advantage: the one, and the composition synergistic effect is obvious, and drug effect significantly improves; The 2nd, the composition drug effect improves, and the field consumption descends, and has reduced production and use cost, reduces residue of pesticide and environmental pollution; The 3rd, composition is made up of the active ingredient of different effects mechanism, and the action site increase helps overcoming and delays the drug-fast generation of germ.
Embodiment
Different pesticide active ingredients shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing usually.But be specially which kind of effect, unpredictable, have only through a large amount of tests and just can know.Compound synergic is well filled a prescription, owing to obviously improved actual control efficiency, reduced the usage amount of agricultural chemicals, thereby delayed the drug-fast generation speed of germ widely, and be the important means of scientific prevention and cure disease.
The inventor has carried out a large amount of indoor bioassay test and field control effectiveness test; Find that any one combination in flumorph and iprovalicarb, benzene metsulfovax, the Propamocarb afterwards has remarkable role in synergy to Pseudoperonospora cubensis etc., and be not only the simple addition (seeing biologicall test instance 1 for details) of two kinds of medicaments.
Biologicall test embodiment 1: the composite Toxicity Determination of any one in flumorph and iprovalicarb, benzene metsulfovax, the Propamocarb to bacterium of downy mildew of cucumber
Subjects: bacterium of downy mildew of cucumber (Pseudoperonospora cubensis)
Pot-culture method is adopted in this test.Choose two consistent leaf period cucumber seedlings of growing way, each processing selects for use 5 basins to supply examination melon seedling, numbers subsequent use.Under 50PSI pressure, spray every basin 5mL with the Potter spray tower.Each medicament is provided with 5 concentration gradients, is blank with what spray the equivalent clear water.Spray inoculation bacterium of downy mildew of cucumber sporangia suspension behind the chemicals treatment 24h; The layoutprocedure of sporangia suspension is following: get the cucumber leaves that has Pseudoperonospora cubensis that picks up from the field; Dip in the sporangium that the distilled water of getting about 10 ℃ washes the back side with writing brush, being made into concentration is 3 * 10
5The sporangia suspension of individual/mL.Place climatic cabinate (relative moisture 100%, temperature 15-20 ℃) to cultivate cucumber seedling after the inoculation, keep 15-24 ℃ of temperature, relative moisture about 90% to preserve moisture and bring out behind the 24h, 10d " Invest, Then Investigate " record incidence calculates disease index and control efficiency.
The cucumber downy mildew grade scale:
0 grade: blade does not have scab;
1 grade: lesion area accounts for below 5% of whole blade area;
3 grades: lesion area accounts for the 6-10% of whole blade area;
5 grades: lesion area accounts for the 11-25% of whole blade area;
7 grades: lesion area accounts for the 26-50% of whole blade area;
9 grades: lesion area accounts for more than 50% of whole blade area.
The expection effectiveness of mixture of active principles (be theoretical control efficiency, %) use Colby formula is confirmed and is compared with observed effectiveness:
Colby formula: E=X+Y-(X*Y/100)
E: the active components A working concentration is a in composition, and the compositions contemplated when active component B working concentration is b is renderd a service.
X: the effectiveness when the active components A using dosage is a.
Y: the effectiveness when active component B using dosage is b.
The explanation mixture has synergistic effect when observed actual control efficiency surpasses the expection preventive effect.
Toxicity test result is referring to table 1 to table 4.
The independent reactive compound of table 1 is measured the result to the pot experiment of cucumber downy mildew
The composite pot experiment to cucumber downy mildew of table 2 flumorph and iprovalicarb is measured the result
| Embodiment | Activity component concentration (ppm: ppm) in the mixture | Practical effect (%) | (%) renderd a service in expection |
| 1 | Flumorph 100: iprovalicarb 1 | 99.5 | 98.2 |
| 2 | Flumorph 70: iprovalicarb 1 | 84.2 | 80.7 |
| 3 | Flumorph 30: iprovalicarb 1 | 72.3 | 67.8 |
| 4 | Flumorph 10: iprovalicarb 1 | 53.1 | 46.7 |
| 5 | Flumorph 10: iprovalicarb 10 | 66.7 | 60.8 |
| 6 | Flumorph 1: iprovalicarb 10 | 43.5 | 39.6 |
| 7 | Flumorph 1: iprovalicarb 30 | 65.2 | 62.0 |
| 8 | Flumorph 0.5: iprovalicarb 30 | 64.8 | 60.1 |
| 9 | Flumorph 0.5: iprovalicarb 50 | 76.9 | 72.3 |
Result of the test shows that the composite control cucumber downy mildew of flumorph and iprovalicarb has synergistic effect.
The composite pot experiment to cucumber downy mildew of table 3 flumorph and benzene metsulfovax is measured the result
| Embodiment | Activity component concentration (ppm: ppm) in the mixture | Practical effect (%) | (%) renderd a service in expection |
| 1 | Flumorph 100: benzene metsulfovax 1 | 99.8 | 98.3 |
| 2 | Flumorph 70: benzene metsulfovax 1 | 85.7 | 80.9 |
| 3 | Flumorph 30: benzene metsulfovax 1 | 74.2 | 68.1 |
| 4 | Flumorph 10: benzene metsulfovax 1 | 54.6 | 47.2 |
| 5 | Flumorph 10: benzene metsulfovax 10 | 69.3 | 65.9 |
| 6 | Flumorph 1: benzene metsulfovax 10 | 55.2 | 47.4 |
| 7 | Flumorph 1: benzene metsulfovax 30 | 71.8 | 66.2 |
| 8 | Flumorph 0.5: benzene metsulfovax 30 | 68.3 | 64.5 |
| 9 | Flumorph 0.5: benzene metsulfovax 50 | 83.1 | 79.8 |
Result of the test shows that the composite control cucumber downy mildew of flumorph and benzene metsulfovax has synergistic effect.
The composite pot experiment to cucumber downy mildew of table 4 flumorph and Propamocarb is measured the result
| Embodiment | Activity component concentration (ppm: ppm) in the mixture | Practical effect (%) | (%) renderd a service in expection |
| 1 | Flumorph 100: Propamocarb 1 | 99.1 | 98.2 |
| 2 | Flumorph 70: Propamocarb 1 | 83.7 | 79.9 |
| 3 | Flumorph 30: Propamocarb 1 | 72.3 | 66.5 |
| 4 | Flumorph 10: Propamocarb 1 | 48.5 | 44.6 |
| 5 | Flumorph 10: Propamocarb 10 | 51.4 | 48.6 |
| 6 | Flumorph 1: Propamocarb 10 | 25.6 | 20.8 |
| 7 | Flumorph 1: Propamocarb 30 | 49.8 | 46.1 |
| 8 | Flumorph 0.5: Propamocarb 30 | 47.1 | 43.3 |
| 9 | Flumorph 0.5: Propamocarb 50 | 58.5 | 54.8 |
Result of the test shows that the composite control cucumber downy mildew of flumorph and Propamocarb has synergistic effect.
Below further specify the present invention with specific embodiment, but the present invention is limited to these examples absolutely not.The following stated is merely the present invention embodiment preferably, only in order to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of within spirit of the present invention and principle, being made, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Percentage composition is mass percent in all preparation proportionings.
The suspending agent example
Press formula rate, each component such as active component, dispersant, wetting agent, thickener, antifreeze and water is even by the mixed of prescription, after grinding or high speed shear, process suspending agent.
Embodiment 1:20.2% flumorph iprovalicarb suspending agent
Flumorph 20%, iprovalicarb 0.2% draws back powder (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, glycerine (antifreeze) 5%, and water complements to 100%.
This embodiment is applied to prevent and treat sponge gourd downy mildew.Test Mei County, Guangdong, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 1 presses 120g (a.i.)/ha thin up spraying, and 14 days control efficiency is 92.5% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 30% iprovalicarb wetting powder is pressed 180g (a.i.)/ha, the thin up spraying, and 14 days control efficiency is respectively 80.3% and 81.2% behind the medicine.Flumorph and iprovalicarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to sponge gourd downy mildew obviously is better than single agent; Dispenser cost and access times are minimized, and avoid and delay the germ resistance producing, prolong the medicament effect in service life thereby play.
Embodiment 2:40.4% flumorph iprovalicarb suspending agent
Flumorph 0.4%, iprovalicarb 40%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, ethylene glycol (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat downy mildew of garpe.Test place yueyang, hunan.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 2 presses 135g (a.i.)/ha and handles, and 14 days control efficiency is 93.1% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 30% iprovalicarb wetting powder is pressed 150g (a.i.)/ha processing, and 14 days control efficiency is respectively 82.5% and 81.4% behind the medicine.Flumorph and iprovalicarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to downy mildew of garpe obviously is better than single agent; Dispenser cost and access times reduce, and have played and have avoided and delay the germ resistance producing, prolong the medicament effect in service life.
Embodiment 3:30.3% flumorph benzene metsulfovax suspending agent
Flumorph 30%, benzene metsulfovax 0.3%, lignin sulfonic acid sodium salt (dispersant) 10%, spaonin powder (wetting agent) 3%, xanthans (thickener) 2%, polyvinyl alcohol (thickener) 1%, propane diols (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat black shank.Test Yongzhou, Hunan, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after ten days.Before the medicine with medicine for the second time after ten days investigation disease indexs.Embodiment 3 presses 65g (a.i.)/ha and handles, and 20 days control efficiency is 90.2% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 20% benzene metsulfovax wetting powder is pressed 75g (a.i.)/ha processing, and 20 days control efficiency is respectively 78.3% and 81.7% behind the medicine.Flumorph and benzene metsulfovax are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to black shank obviously is better than single agent; Dispenser cost and access times reduce, and have played and have avoided and delay the germ resistance producing, prolong the medicament effect in service life.
Embodiment 4:20.2% flumorph benzene metsulfovax suspending agent
Flumorph 0.2%, benzene metsulfovax 20%, alkylnaphthalene sulfonate (dispersant) 10%, soapberry powder (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, urea (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat tomato late blight.Newly can in test Guangdong, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after eight days.Before the medicine with medicine for the second time after eight days investigation disease indexs.Embodiment 4 presses 55g (a.i.)/ha and handles, and 16 days control efficiency is 90.6% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 20% benzene metsulfovax wetting powder is pressed 75g (a.i.)/ha processing, and 16 days control efficiency is respectively 78.1% and 80.7% behind the medicine.Flumorph and benzene metsulfovax are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to tomato late blight obviously is better than single agent; Dispenser cost and access times reduce, and have played and have avoided and delay the germ resistance producing, prolong the medicament effect in service life.
Embodiment 5:20.2% flumorph Propamocarb suspending agent
Flumorph 20%, Propamocarb 0.2%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, alkylsulfonate (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, xanthans (thickener) 1%, glycerine (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat cucumber downy mildew.Test Guangxi, place Yulin.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 5 presses 120g (a.i.)/ha and handles, and 14 days control efficiency is 90.8% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 72.2% Propamocarb aqua is pressed 650g (a.i.)/ha processing, and 14 days control efficiency is respectively 81.6% and 77.4% behind the medicine.Flumorph and Propamocarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to cucumber downy mildew obviously is better than single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 6:40.4% flumorph Propamocarb suspending agent
Flumorph 0.4%, Propamocarb 40%, polycarboxylate (dispersant) 10%, alkyl sulfate (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, xanthans (thickener) 1%, ethylene glycol (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat cabbage mustard downy mildew.Test Shenzhen, place Long Gang.Execute medicine for the first time in their early stage, carry out the dispenser second time after eight days.Before the medicine with medicine for the second time after eight days investigation disease indexs.Embodiment 6 presses 250g (a.i.)/ha and handles, and 16 days control efficiency is 91.5% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 72.2% Propamocarb aqua is pressed 650g (a.i.)/ha processing, and 16 days control efficiency is respectively 82.7% and 79.4% behind the medicine.Flumorph and Propamocarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to cabbage mustard downy mildew obviously is better than single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 7:20% flumorph iprovalicarb suspending agent
Flumorph 1%, iprovalicarb 19%, polycarboxylate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, urea (antifreeze) 5%, water complements to 100%.
This embodiment is applied to cucumber blight disease.Test Maoming, Guangdong, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 7 presses 140g (a.i.)/ha thin up spraying, and 14 days control efficiency is 89.1% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 25% iprovalicarb wetting powder is pressed 180g (a.i.)/ha, the thin up spraying, and 14 days control efficiency is respectively 78.7% and 79.3% behind the medicine.Flumorph and iprovalicarb are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to the cucumber eqpidemic disease obviously is better than each single agent; Dispenser cost and access times reduce simultaneously, have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 8:20% flumorph benzene metsulfovax suspending agent
Flumorph 16%, benzene metsulfovax 4%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, xanthans (thickener) 1%, sodium chloride (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat capsicum epidemic disease.Test Hainan, place Le Dong.Execute medicine for the first time in their early stage, carry out the dispenser second time after eight days.Before the medicine with medicine for the second time after eight days investigation disease indexs.Embodiment 8 presses 135g (a.i.)/ha and handles, and 16 days control efficiency is 89.7% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 20% benzene metsulfovax wetting powder is pressed 75g (a.i.)/ha processing, and 16 days control efficiency is respectively 77.8% and 79.6% behind the medicine.Flumorph and benzene metsulfovax are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to capsicum epidemic disease obviously is better than each single agent; Dispenser cost and access times reduce, and have played and have avoided and delay the germ resistance producing, prolong the medicament effect in service life.
Embodiment 9:20% flumorph Propamocarb suspending agent
Flumorph 12%, Propamocarb 8%, polycarboxylate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, urea (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat the balsam pear cream mildew.Test Qingyuan City, Guangdong, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 9 presses 140g (a.i.)/ha and handles, and 14 days control efficiency is 92.3% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 72.2% Propamocarb aqua is pressed 650g (a.i.)/ha processing, and 14 days control efficiency is respectively 82.7% and 79.5% behind the medicine.Flumorph and Propamocarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to the balsam pear cream mildew obviously is better than each single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 10:31% flumorph iprovalicarb suspending agent
Flumorph 30%, iprovalicarb 1%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, propane diols (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat oilseed rape downy mildew.Test place changde, hunan.Execute medicine for the first time in their early stage, carry out the dispenser second time after eight days.Before the medicine with medicine for the second time after eight days investigation disease indexs.Embodiment 10 presses 120g (a.i.)/ha thin up spraying, and 16 days control efficiency is 93.2% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 25% iprovalicarb wetting powder is pressed 200g (a.i.)/ha, the thin up spraying, and 16 days control efficiency is respectively 83.4% and 81.7% behind the medicine.Flumorph and iprovalicarb are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to oilseed rape downy mildew obviously is better than each single agent; Dispenser cost and access times reduce simultaneously, have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 11:31% flumorph benzene metsulfovax suspending agent
Flumorph 1%, benzene metsulfovax 30%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, glycerine (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat Chinese cabbage downy mildew.Test Baoding, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after ten days.Before the medicine with medicine for the second time after ten days investigation disease indexs.Embodiment 11 presses 65g (a.i.)/ha and handles, and 20 days control efficiency is 90.9% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 20% benzene metsulfovax wetting powder is pressed 75g (a.i.)/ha processing, and 20 days control efficiency is respectively 77.8% and 81.3% behind the medicine.Flumorph and benzene metsulfovax are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to Chinese cabbage downy mildew obviously is better than each single agent; Dispenser cost and access times reduce, and have played and have avoided and delay the germ resistance producing, prolong the medicament effect in service life.
Embodiment 12:31% flumorph Propamocarb suspending agent
Flumorph 30%, Propamocarb 1%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, propane diols (antifreeze) 5%, water complements to 100%.
This embodiment is applied to prevent and treat tobacco downy mildew.Test Chenzhou, Hunan, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 12 presses 140g (a.i.)/ha and handles, and 14 days control efficiency is 92.7% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 72.2% Propamocarb aqua is pressed 650g (a.i.)/ha processing, and 14 days control efficiency is respectively 81.6% and 79.3% behind the medicine.Flumorph and Propamocarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to tobacco downy mildew obviously is better than each single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
The wetting powder example
Pesticide activity component, auxiliary agent, filler are mixed the mixed again wetting powder that gets behind comminution by gas stream in proportion.Capital equipment: mixer, airslide disintegrating mill.
Embodiment 13:80% flumorph iprovalicarb wetting powder
Flumorph 60%, iprovalicarb 20%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (dispersant) 3%, white carbon black 10% (filler), kaolin complements to 100%.
This embodiment is applied to prevent and treat naked oats dish downy mildew.Test Chaozhou, Guangdong, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 13 presses 140g (a.i.)/ha thin up spraying, and 14 days control efficiency is 93.5% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 25% iprovalicarb wetting powder is pressed 200g (a.i.)/ha, the thin up spraying, and 14 days control efficiency is respectively 80.4% and 82.7% behind the medicine.Flumorph and iprovalicarb are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to naked oats dish downy mildew obviously is better than each single agent; Dispenser cost and access times reduce simultaneously, have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 14:80% flumorph benzene metsulfovax wetting powder
Flumorph 30%, benzene metsulfovax 50%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (dispersant) 3%, white carbon black 10% (filler), kaolin complements to 100%.
This embodiment is applied to prevent and treat downy mildew of garpe.Test Xingan, Guangxi, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 14 presses 65g (a.i.)/ha and handles, and 14 days control efficiency is 93.2% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 20% benzene metsulfovax wetting powder is pressed 75g (a.i.)/ha processing, and 14 days control efficiency is respectively 79.7% and 84.3% behind the medicine.Flumorph and benzene metsulfovax are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to downy mildew of garpe obviously is better than each single agent; Dispenser cost and access times reduce, and have played and have avoided and delay the germ resistance producing, prolong the medicament effect in service life.
Embodiment 15:80% flumorph Propamocarb wetting powder
Flumorph 25%, Propamocarb 55%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (dispersant) 3%, white carbon black 10% (filler), potter's clay complements to 100%.
This embodiment is applied to prevent and treat wax gourd downy mildew.Test Wuzhou, Guangxi, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 15 presses 180g (a.i.)/ha and handles, and 14 days control efficiency is 92.5% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 72.2% Propamocarb aqua is pressed 650g (a.i.)/ha processing, and 14 days control efficiency is respectively 82.9% and 79.6% behind the medicine.Flumorph and Propamocarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to wax gourd downy mildew obviously is better than each single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 16:31% flumorph iprovalicarb wetting powder
Flumorph 1%, iprovalicarb 30%, alkyl sulfate (wetting agent) 3%, polycarboxylate (dispersant) 3%, white carbon black (filler) 11%, bentonite complements to 100%.
This embodiment is applied to prevent and treat soybean downey mildew.Test Gaizhou City, Liaoning, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after ten days.Before the medicine with medicine for the second time after ten days investigation disease indexs.Embodiment 16 presses 140g (a.i.)/ha thin up spraying, and 20 days control efficiency is 89.3% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 25% iprovalicarb wetting powder is pressed 200g (a.i.)/ha, the thin up spraying, and 20 days control efficiency is respectively 77.9% and 79.3% behind the medicine.Flumorph and iprovalicarb are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to soybean downey mildew obviously is better than each single agent; Dispenser cost and access times reduce simultaneously, have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 17:31% flumorph benzene metsulfovax wetting powder
Flumorph 30%, benzene metsulfovax 1%, alkyl sulfate (wetting agent) 3%, polycarboxylate (dispersant) 3%, kaolin (filler) 11%, attapulgite complements to 100%.
This embodiment is applied to prevent and treat tomato late blight.Test Nanning, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after ten days.Before the medicine with medicine for the second time after ten days investigation disease indexs.Embodiment 17 presses 70g (a.i.)/ha and handles, and 20 days control efficiency is 93.5% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 20% benzene metsulfovax wetting powder is pressed 75g (a.i.)/ha processing, and 20 days control efficiency is respectively 81.6% and 83.4% behind the medicine.Flumorph and benzene metsulfovax are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to tomato late blight obviously is better than each single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 18:46.5% flumorph Propamocarb wetting powder
Flumorph 1.5%, Propamocarb 45%, alkylsulfonate (wetting agent) 3%, sodium lignin sulfonate (dispersant) 3%, white carbon black (filler) 11%, potter's clay complements to 100%.
This embodiment is applied to control joint melon downy mildew.Test Guangdong, place is high wants.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 18 presses 200g (a.i.)/ha and handles, and 14 days control efficiency is 92.2% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 72.2% Propamocarb aqua is pressed 650g (a.i.)/ha processing, and 14 days control efficiency is respectively 82.7% and 79.8% behind the medicine.Flumorph and Propamocarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to joint melon downy mildew obviously is better than each single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
The water dispersible granules example
Press formula rate, former medicine and powder carrier, moistening spreader-sticker and binding agent etc. are mixed pulverizing, after adding water again and mediating, add in the comminutor that the certain specification screen cloth is housed and carry out granulation.And then warp is dry, screening (pressing the screen cloth scope) promptly gets granular product.
Embodiment 19:30% flumorph iprovalicarb water dispersible granules
Flumorph 2%, iprovalicarb 28%, polycarboxylate (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, ammonium sulfate (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
This embodiment is applied to prevent and treat downy mildew of garpe.Test Changsha, place.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 19 presses 140g (a.i.)/ha thin up spraying, and 14 days control efficiency is 91.5% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 25% iprovalicarb wetting powder is pressed 200g (a.i.)/ha, the thin up spraying, and 14 days control efficiency is respectively 80.3% and 81.7% behind the medicine.Flumorph and iprovalicarb are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to downy mildew of garpe obviously is better than each single agent; Dispenser cost and access times reduce simultaneously, have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 20:40% flumorph benzene metsulfovax water dispersible granules
Flumorph 15%, benzene metsulfovax 25%, Negel (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, urea (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
This embodiment is applied to prevent and treat the eggplant eqpidemic disease.Test Guangdong, place Zhong Shan.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 20 presses 65g (a.i.)/ha and handles, and 14 days control efficiency is 91.5% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 20% benzene metsulfovax wetting powder is pressed 75g (a.i.)/ha processing, and 14 days control efficiency is respectively 79.3% and 82.5% behind the medicine.Flumorph and benzene metsulfovax are obvious in the composite back synergistic effect of this ratio; Be lower than in the mu effective ingredient consumption under the situation of single agent; Control efficiency to the eggplant eqpidemic disease obviously is better than each single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Embodiment 21:50% flumorph Propamocarb water dispersible granules
Flumorph 45%, Propamocarb 5%, Negel (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, glucose (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
This embodiment is applied to prevent and treat peronophythora litchi.Test Guangdong, place is from changing.Execute medicine for the first time in their early stage, carry out the dispenser second time after seven days.Before the medicine with medicine for the second time after seven days investigation disease indexs.Embodiment 21 presses 135g (a.i.)/ha and handles, and 14 days control efficiency is 91.8% behind the medicine; 150g (a.i.)/ha pressed by 50% flumorph wetting powder and 72.2% Propamocarb aqua is pressed 650g (a.i.)/ha processing, and 14 days control efficiency is respectively 82.3% and 79.7% behind the medicine.Flumorph and Propamocarb are obvious in the composite back synergistic effect of this ratio; Under the situation that the mu effective ingredient consumption reduces; Control efficiency to peronophythora litchi obviously is better than each single agent; Dispenser cost and access times reduce, and have avoiding and delay the germ resistance to produce, prolong the medicament effect in service life.
Claims (5)
1. bactericidal composition is characterized in that: active ingredient be flumorph (A) with iprovalicarb, benzene metsulfovax, Propamocarb in a kind of (B), the mass ratio of A and B is 100: 1～1: 100.
2. bactericidal composition according to claim 1 is characterized in that: preferred 30: 1～1: 30 of the mass ratio of effective constituents A and B.
3. according to each described bactericidal composition of claim 1-2, it is characterized in that: active component quality percentage composition is 20～80% in the composition.
4. bactericidal composition according to claim 1 is characterized in that: said composition can be mixed with suspending agent, wetting powder, water dispersible granules.
5. the described bactericidal composition of claim 1 is used to prevent and treat the disease on cereal, vegetables, fruit tree, the flowers.
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| CN101946786A (en) * | 2010-10-27 | 2011-01-19 | 陕西汤普森生物科技有限公司 | Sterilizing composition containing pyrimorph |
| CN102783480B (en) * | 2012-07-11 | 2016-04-27 | 广东中迅农科股份有限公司 | A kind of benzene metsulfovax aqueous suspension agent and preparation method thereof |
| CN103734157B (en) * | 2013-12-28 | 2015-09-16 | 上海艳紫化工科技有限公司 | Flumorph and iprovalicarb compound insecticidal suspending agent |
| CN109380244A (en) * | 2017-08-07 | 2019-02-26 | 江苏龙灯化学有限公司 | A kind of bactericidal composition |
| CN108887285B (en) * | 2018-07-18 | 2020-10-30 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Bactericidal composition containing iprovalicarb and silthiopham and application thereof |
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| CN1385070A (en) * | 2001-05-10 | 2002-12-18 | 沈阳化工研究院 | Disinfectant composition containing flumorph |
| CN1565182A (en) * | 2003-06-10 | 2005-01-19 | 沈阳化工研究院 | Bactericidal compositions of flumorph and enostroburin and synergist |
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| CN1385070A (en) * | 2001-05-10 | 2002-12-18 | 沈阳化工研究院 | Disinfectant composition containing flumorph |
| CN1565182A (en) * | 2003-06-10 | 2005-01-19 | 沈阳化工研究院 | Bactericidal compositions of flumorph and enostroburin and synergist |
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