CN101836634B - Sterilizing pesticide composition containing azoxystrobin as well as application thereof - Google Patents
Sterilizing pesticide composition containing azoxystrobin as well as application thereof Download PDFInfo
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Abstract
The invention discloses a sterilizing pesticide composition containing azoxystrobin as well as application thereof. The composition comprises the azoxystrobin and procymidone together with auxiliary components acceptable in pesticides, wherein the azoxystrobin and the procymidone are used as effective medicament components in percentage by weight of 1:50-50:1. Proved by tests, the two effective medicament components in the sterilizing pesticide composition have obvious synergistic function, which are beneficial to delaying the generation of drug resistance, reducing the dosage, lowering the cost and extending the application range of the pesticide.
Description
Technical field
The present invention relates to a kind of bactericidal pesticide composition and application thereof of composite form.
Background technology
Gray mold is the infectious disease that is caused by Botrytis cinerea (Botrytis cinereaPers.), intermittently outburst, and after morbidity, spread speed is fast, particularly causes decayed fruit, threatens greatly producing.The gray mold of the vegetables such as tomato, cucumber becomes the high harm of booth, high loss, it is one of Major Diseases that affects yield of vegetables, quality, safety, also can cause the very large loss of the output of melon, green onion fragrant-flowered garlic class, soft fruits fruits and vegetables, be the key constraints that fruit vegetables is produced.
Fluoxastrobin (Azoxystrobin) is a kind of brand-new methoxy acrylic bactericide of currently reported/use, structure as shown in (I), chemical name (E)-2-{2-[6 (2-cyano-benzene oxygen) pyrimidine-4-yl oxygen] phenyl-the 3-methoxy acrylate.This composition can have protection, treats and root out triple function, and good crop safety and the outstanding Environmental compatibility of tool.The mechanism of action of medicine is to destroy its energy by the respiration of Antifungi to synthesize and loss of life power.The commodity that contain Fluoxastrobin 250 grams per liter suspending agents that use at present Amici by name reaches, and is mainly used in preventing and treating the diseases such as potato late blight, soybean rust, sponge gourd downy mildew, early blight of tomato, downy mildew of garpe, sigatoka, citrus anthracnose.Because its drug cost is high, use not extensively, and separately application easily makes germ produce serious resistance.
Procymidone (Procymidone) claim again Sukeling, it is a kind of diformamide series bactericidal agent, structure is suc as formula shown in (II), chemical name N-(3,5-dichlorophenyl)-1,2-dimethylcyclopropane-1, the 2-di carbonyl imide, it is mainly the interference cell kernel function, and cell membrane and cell wall influential, change permeability of the membrane, make cell rupture.As a kind of bactericide of long-term use, procymidone has produced pesticide resistance in various degree, the defective that exists result for the treatment of to descend year by year in long-term use procedure.
Existing bibliographical information, at present due to single drug and other unscientific application method, caused gray mold to common pesticides long-living resistance.The generation of resistance, the formulation rate when further having increased medication again and spraying times have caused the increase of agricultural cost and increasing the weight of of peasant burden, have aggravated the pollution of environment, finally cause the failure to disease control.
Summary of the invention
For above-mentioned situation, at first the present invention will provide the bactericidal pesticide composition of a kind of efficient, low toxicity, environmental protection, to address the above problem.Said composition can not only effectively be prevented and treated gray mold, also can effectively prevent and treat stalk break, the brown rot of crops such as comprising fruit, vegetables, rape.
The present invention contains the bactericidal pesticide composition of Fluoxastrobin, take Fluoxastrobin and procymidone as the active drug composition, jointly forms with acceptable auxiliary element in agricultural chemicals, and the weight ratio of active drug composition Fluoxastrobin and procymidone is 1: 50～50: 1.Result of the test demonstration on this basis, the further preferred weight ratio of Fluoxastrobin and procymidone is 1: 20～20: 1.
Acceptable auxiliary element in said agricultural chemicals, comprise in present agricultural chemicals existing be widely used and not can with said these two kinds of active drug compositions produce chemical actions or to its drug effect performance have adverse effect as conventional ingredients such as the auxiliary agents such as dispersant, diffusant, defoamer, wetting agent, disintegrant, excipient.
The practical application form of the bactericidal pesticide composition that the present invention is above-mentioned, can be according to different use needs or applying environment/conditions, by acceptable auxiliary element in said two active drug compositions and agricultural chemicals, adopt conventional at present agricultural chemicals preparation method, be processed at present operational any in the common pesticides formulations such as wetting powder, water dispersible granules, suspending agent of comprising.So that comprise practical application in the farm crop fungus disease of fruit, vegetables, rape in control.For example, the composition of some formulations of pesticide and typical preparation thereof can be as following.
A. wetting powder (WP).The said preparation medicine is can homodisperse solid powder preparation in water.when wetting powder prepares, except adding as white carbon in said active drug composition (former medicine), precipitated calcium carbonate, potter's clay, diatomite, outside the thinners such as attapulgite or inert substance, ionic or nonionic surface active agent (wetting agent also can be arranged, dispersant), wetting agent for example, alkylbenzenesulfonate (DBS-Na), alkylnaphthalene sulfonate (pulling open powder), alkylphenol-polyethenoxy base ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, aliphatic alcohol sulfate, fatty alcohol ethylene oxide adduct sulfonate, the alkyl amide taurate, aliphatic alcohol polyethenoxy base ether (JFC), content is 0.1%～30% (wt, below all herewith), dispersant such as naphthalene sulfonate, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate thereof (M-9, POLYFON etc.), the polyoxyethylene poly-oxygen propylene aether block copolymer, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate (SOPA), PVA, CMC content 0.1%-30%, also contain one or more materials among penetrating agent JFC, azone, thiophene ketone, penetrant t, content is 0.3%-30%, can also use in the usual way other auxiliary agents such as stabilizing agent, foam inhibitor, anticaking agent.
The preparation method is that one or more materials among former medicine and above-mentioned inert substance, surfactant, bleeding agent, stabilizing agent etc. are mixed, and obtains wetting powder through the dry pulverization process (as air-flow crushing etc.) of routine.
B. water dispersible granules (WDG).The said preparation medicine is can be in water very fast disintegration, disperse to form the granule of higher suspension dispersion.By said active drug composition, the key elements such as the auxiliary agent such as the required conventional wetting agent of preparation, dispersant, interleaving agent, disintegrant, stabilizing agent, adhesive and carrier form.Its auxiliary agent and carrier, and the compound method of precursor (preformed objects before granulation) is analogous to wetting powder and suspending agent substantially.
The preparation method is that the processing method by above-mentioned wetting powder is obtained preformed objects before granulation, adds the water of 10-15% to make wet granular through the method for extruder grain or rotating granulation, will obtain water dispersible granules after wet granular oven dry screening.
C. suspending agent (SC).The said preparation medicine is water insoluble solids agricultural chemicals or the dispersion of immiscible liquids agricultural chemicals in water or oil.Made through soybean dietary fiber by active drug composition, the required auxiliary agent (wetting dispersing agent, thickener, stabilizing agent, pH adjusting agent, defoamer, antifreezing agent) of preparation.Wetting dispersing agent can be naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate (M-9, POLYFON etc.) thereof, alkylphenol-polyethenoxy base ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, one or more in alkylphenol-polyethenoxy base phosphate, carboxymethyl cellulose (CMC), polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), condensed phosphate etc., content 0.1%-12%; Thickener and stabilizing agent can be one or more in xanthan gum (XG), polyvinyl alcohol (PVA), Magnesiumaluminumsilicate etc., content 0.05-0.5%; PH adjusting agent and defoamer can add according to circumstances in right amount.
The preparation method is that the ratio in formula such as each composition and water is mixed, and obtains suspending agent after grinding and/or high speed shear.
Because the mechanism of action of the Fluoxastrobin in the active drug composition and procymidone is different, test shows, can produce synergistic function after composite with said ratio, compare with the single component agricultural chemicals, can significantly strengthen sterilization and control efficiency, can significantly reduce the field dosage, thereby effective environmental contamination reduction and residue of pesticide, also reduce and produce and use cost, and enlarged the prevention and treatment range of single dose agricultural chemicals, can be used for the disease control of the crops such as fruit, vegetables, rape.The difference of two kinds of active drug composition mechanism of action also can reduce the single selection pressure to germ simultaneously, the generation that is conducive to overcome the disease resistance He delays disease drug resistance.
The embodiment of form is described in further detail foregoing of the present invention more by the following examples.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following example.Do not breaking away from the above-mentioned technological thought situation of the present invention, various replacements or change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.
Embodiment
Embodiment 1: the composite evaluation of pesticide effectiveness to gray mold of cucumber of Fluoxastrobin and procymidone
Subjects: botrytis cinerea pers (Botrytis cinerea Pers.)
Pot-culture method is adopted in this test.Potted plant cucumber seedling grows to 2 leaf periods, numbers standby.On the basis of preliminary experiment, active according to medicament, 5-7 series mass concentration is set.Liquid is evenly sprayed in the blade face to all wetting, be advisable not drip, treat that the liquid natural air drying is standby.Every processing 5 basins repeat for 4 times, and establish the processing that only contains solvent and surfactant and do not contain effective composition and make blank.After chemicals treatment 24h, with crops sprayer even spraying inoculation botrytis cinerea pers spore suspension on cucumber leaves.
The collocation method of spore suspension: test, washes spore with sterile water after being cultured to a large amount of spores of generation on suitable medium with pathogen, and double gauze filters, and is modulated into 1x10
5Individual spore/mL spore suspension, standby.Move to after inoculation in humidistat under (relative moisture more than 95%, temperature 20-22 ℃) dark condition and cultivate 24h, then cultivated 7 days under 20-25 ℃, relative moisture 80%-90% condition.Add up the lesion area on every strain cucumber leaves, the whole blades of every processing investigation calculate disease and refer to and control efficiency.
The gray mold of cucumber stage division:
Grade scale
0 grade: blade is without scab;
1 grade: lesion area accounts for below 5% of whole blade area;
3 grades: lesion area accounts for the 6-15% of whole blade area;
5 grades: lesion area accounts for the 16-25% 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 drug effect computational methods:
Control efficiency is converted into probability value (Y), and liquor strength (mg/L) converts logarithm value (x) to, calculates concentration EC in virulence equation and inhibition with method of least squares
50, according to toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) * 100
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, composition performance is for Hangzhoupro short of money effect, and when 80＜CTC＜120, the composition performance is summation action, and when CTC 〉=120, the composition performance is synergistic effect.The result of the evaluation of pesticide effectiveness is referring to table 1.
Result of the test shows, Fluoxastrobin and procymidone were used for the co-toxicity coefficient of control gray mold of cucumber all more than 150 when composite in 50: 1 by weight～1: 60, has synergistic effect, proportioning is between 20: 1～1: 20 the time, and co-toxicity coefficient is all higher than 180, and synergistic effect is more obvious.
The indoor harmacological effect measurement result of the serial proportioning of table 1 Fluoxastrobin and procymidone to botrytis cinerea pers
| Ingredients (Fluoxastrobin: procymidone) (wt) | EC 50(mg/L) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Fluoxastrobin | 18.2 | 100 | / | / |
| Procymidone | 36.4 | 50 | / | / |
| 50∶1 | 16.9 | 106 | 70 | 151 |
| 30∶1 | 16.6 | 105 | 69 | 152 |
| 20∶1 | 15.3 | 125 | 68 | 183 |
| 10∶1 | 14.9 | 142 | 72 | 197 |
| 5∶1 | 12.8 | 156 | 63 | 248 |
| 1∶1 | 11.3 | 161 | 61 | 264 |
| 1∶5 | 13.7 | 130 | 60 | 216 |
| 1∶10 | 12.4 | 151 | 63 | 240 |
| 1∶20 | 15.2 | 125 | 62 | 202 |
| 1∶30 | 16.6 | 113 | 71 | 159 |
| 1∶40 | 16.9 | 118 | 76 | 155 |
| 1∶60 | 17.5 | 112 | 74 | 151 |
Embodiment 2: the composite evaluation of pesticide effectiveness to graw mold of tomato of Fluoxastrobin and procymidone
Subjects: botrytis cinerea (Botrytis cinerea pers.)
Pot-culture method is adopted in this test.The potted tomato seedling grows to 5 leaf periods, numbers standby.On the basis of preliminary experiment, active according to medicament, 5-7 series mass concentration is set.Liquid is evenly sprayed in the blade face to all wetting, be advisable not drip, treat that the liquid natural air drying is standby.Every processing 5 basins repeat for 4 times, and establish the processing that only contains solvent and surfactant and do not contain effective composition and make blank.After chemicals treatment 24h, with crops sprayer even spraying inoculating tomato ash arrhizus bacteria spore suspension on tomato leaf.
The collocation method of spore suspension: test, washes spore with sterile water after being cultured to a large amount of spores of generation on suitable medium with pathogen, and double gauze filters, and is modulated into 1x10
5Individual spore/mL spore suspension, standby.Move to after inoculation in humidistat under (relative moisture more than 95%, temperature 20-22 ℃) dark condition and cultivate 24h, then cultivated 7 days under 20-25 ℃, relative moisture 80%-90% condition.Add up the lesion area on every strain tomato leaf, the whole blades of every processing investigation calculate disease and refer to and control efficiency.
The graw mold of tomato stage division:
Grade scale
0 grade: blade is without scab;
1 grade: lesion area accounts for below 5% of whole blade area;
3 grades: lesion area accounts for the 6-15% of whole blade area;
5 grades: lesion area accounts for the 16-25% 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 drug effect computational methods:
Control efficiency is converted into probability value (Y), and liquor strength (mg/L) converts logarithm value (x) to, calculates concentration EC in virulence equation and inhibition with method of least squares
50, according to toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) * 100
The percentage composition of B in the percentage composition of A+B medicament toxicity index * mixture in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, composition performance is for Hangzhoupro short of money effect, and when 80＜CTC＜120, the composition performance is summation action, and when CTC 〉=120, the composition performance is synergistic effect.The result of the evaluation of pesticide effectiveness is referring to table 2.
The indoor harmacological effect measurement result of the serial proportioning of table 2 Fluoxastrobin and procymidone to botrytis cinerea
| Ingredients (Fluoxastrobin: procymidone) (wt) | EC 50(mg/L) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Fluoxastrobin | 16.2 | 100 | / | / |
| Procymidone | 32.9 | 49 | / | / |
| 50∶1 | 15.6 | 111 | 71 | 156 |
| 30∶1 | 15.5 | 110 | 70 | 157 |
| 20∶1 | 14.6 | 135 | 72 | 188 |
| 10∶1 | 13.1 | 150 | 73 | 205 |
| 5∶1 | 12.0 | 162 | 65 | 249 |
| 1∶1 | 12.9 | 157 | 64 | 245 |
| 1∶5 | 18.6 | 147 | 73 | 201 |
| 1∶10 | 19.9 | 148 | 67 | 221 |
| 1∶20 | 21.4 | 133 | 74 | 179 |
| 1∶30 | 25.5 | 121 | 69 | 175 |
| 1∶40 | 26.7 | 124 | 80 | 155 |
| 1∶60 | 27.9 | 120 | 79 | 152 |
Result of the test shows, Fluoxastrobin and procymidone were used for the co-toxicity coefficient of control graw mold of tomato all more than 150 when composite in 50: 1 by weight～1: 60, has synergistic effect, proportioning is between 20: 1～1: 30 the time, and co-toxicity coefficient is all higher than 170, and synergistic effect is more obvious.
Embodiment 3:31% Fluoxastrobin procymidone wetting powder
Form: Fluoxastrobin 1%, procymidone 30%, lauryl sodium sulfate 2%, sodium lignin sulfonate 5%, naphthalene sulfonate 3%, kaolin complements to 100%.
Preparation: each composition is fully mixed, after ultra-fine pulverizer disintegrating, namely get wetting powder in the established practice mode.
Application at the control graw mold of tomato: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).Above-mentioned 31% Fluoxastrobin procymidone is sprayed by 600 times of (Fluoxastrobin valid density is 17mg/L, and procymidone valid density is 500mg/L) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 89.1%, 80.3%.250 grams per liter Fluoxastrobin suspending agents by 1000 times (valid density is 250mg/L) and 50% procymidone wetting powder by 700 times (valid density is 714mg/L), use with same method, after medicine, the preventive effect of 7 days and 15 days is respectively 71.9%, 65.5% and 80.3%, 72.1%.The composite rear synergistic effect of Fluoxastrobin and procymidone is obvious, to the preventive effect of graw mold of tomato significantly better than single dose.Concrete outcome sees Table 3.
The field efficacy measurement result of table 3 31% Fluoxastrobin procymidone wetting powder to graw mold of tomato
| Medicament | Effective ingredient consumption (mg/L) | Preventive effect after 7 days (%) | Preventive effect after 15 days (%) |
| 31% Fluoxastrobin procymidone | 517(17+500) | 89.1 | 80.3 |
| 250 grams per liter Fluoxastrobins | 250 | 71.9 | 65.5 |
| 50% procymidone | 714 | 80.3 | 72.1 |
Embodiment 4:50% Fluoxastrobin procymidone water dispersible granules
Form: Fluoxastrobin 25%, procymidone 25%, NNO 2%, sodium lignin sulfonate 9%, lauryl sodium sulfate 4%, bentonite complements to 100%.
Preparation: each composition is mixed, become wetting powder through air-flow crushing in a usual manner, then add suitable quantity of water to mix extruder grain.Obtain water dispersible granules after the drying screening.
Application at the control sclerotinia rot of colza: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).Above-mentioned 50% Fluoxastrobin procymidone water dispersible granules is sprayed by 1500 times of (Fluoxastrobin valid density is 166.5mg/L, and procymidone valid density is 166.5mg/L) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 92.1%, 85.8%.250 grams per liter Fluoxastrobin suspending agents are by 1000 times (valid density is 250mg/L), 50% procymidone wetting powder is by 700 times (valid density is 714mg/L), uses with same method, and after medicine, the preventive effect of 7 days and 15 days is respectively 86.9%, 80.4% and 83.3%, 75.2%.The composite rear synergistic effect of Fluoxastrobin and procymidone is obvious, to the preventive effect of sclerotinia rot of colza significantly better than single dose.Concrete outcome sees Table 4.
The field efficacy measurement result of table 4 50% Fluoxastrobin procymidone water dispersible granules to sclerotinia rot of colza
| Medicament | Effective ingredient consumption (mg/L) | Preventive effect after 7 days (%) | Preventive effect after 15 days (%) |
| 50% Fluoxastrobin procymidone | 333(166.5+166.5) | 92.1 | 85.8 |
| 250 grams per liter Fluoxastrobins | 250 | 86.9 | 80.4 |
| 50% procymidone | 714 | 83.3 | 75.2 |
Embodiment 5:42% Fluoxastrobin procymidone suspending agent
Form: Fluoxastrobin 40%, procymidone 2%, methyl naphthalene sulfonate formaldehyde condensate 10%, xanthans 0.4%, bentonite 1%, glycerine 5%, water complements to 100%.
Preparation: each composition is mixed, obtain suspending agent in a usual manner after grinding and/or high speed shear.
Application at the control grey mould fruit rot of strawberry.Test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).42% Fluoxastrobin procymidone suspending agent is sprayed by 1800 times of (Fluoxastrobin valid density is 222mg/L, and procymidone valid density is 11mg/L) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 90.2%, 87.4%.250 grams per liter Fluoxastrobin suspending agents are by 1000 times (valid density is 250mg/L), 50% procymidone wetting powder is by 1000 times (valid density is 500mg/L), uses with same method, and after medicine, the preventive effect of 7 days and 15 days is respectively 84.2%, 80.7% and 80.8%, 75.3%.The composite rear synergistic effect of Fluoxastrobin and procymidone is obvious, to the preventive effect of grey mould fruit rot of strawberry significantly better than single dose.Concrete outcome sees Table 5.
The field efficacy measurement result of table 5 42% Fluoxastrobin procymidone suspending agent to grey mould fruit rot of strawberry
| Medicament | Effective ingredient consumption (mg/L) | Preventive effect after 7 days (%) | Preventive effect after 15 days (%) |
| 42% Fluoxastrobin procymidone | 233(222+11) | 90.2 | 87.4 |
| 250 grams per liter Fluoxastrobins | 250 | 84.2 | 80.7 |
| 50% procymidone | 500 | 80.8 | 75.3 |
Embodiment 6:51% Fluoxastrobin procymidone water dispersible granules
Form: Fluoxastrobin 1%, procymidone 50%, NNO 4%, sodium lignin sulfonate 10%, lauryl sodium sulfate 3%, kaolin complements to 100%.
Preparation: each composition is mixed, become wetting powder through air-flow crushing in a usual manner, then add suitable quantity of water to mix extruder grain.Obtain water dispersible granules after the drying screening.
Application at the control grape grey mould: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).Above-mentioned 51% Fluoxastrobin procymidone water dispersible granules is sprayed by 800 times of (Fluoxastrobin valid density is 12.5mg/L, and procymidone valid density is 625mg/L) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 93.5%, 88.1%.250 grams per liter Fluoxastrobin suspending agents are by 1000 times (valid density is 250mg/L), 50% procymidone wetting powder is by 700 times (valid density is 714mg/L), uses with same method, and after medicine, the preventive effect of 7 days and 15 days is respectively 87.5%, 81.3% and 84.3%, 76.8%.The composite rear synergistic effect of Fluoxastrobin and procymidone is obvious, to the preventive effect of grape grey mould significantly better than single dose.Concrete outcome sees Table 6.
The field efficacy measurement result of table 6 51% Fluoxastrobin procymidone water dispersible granules to grape grey mould
| Medicament | Effective ingredient consumption (mg/L) | Preventive effect after 7 days (%) | Preventive effect after 15 days (%) |
| 51% Fluoxastrobin procymidone | 637.5(12.5+625) | 93.5 | 88.1 |
| 250 grams per liter Fluoxastrobins | 250 | 87.5 | 81.3 |
| 50% procymidone | 714 | 84.3 | 76.8 |
Embodiment 7:25.5% Fluoxastrobin procymidone suspending agent
Form: Fluoxastrobin 25%, procymidone 0.5%, methyl naphthalene sulfonate formaldehyde condensate 8%, xanthans 0.5%, glycerine 6%, water complements to 100%.
Preparation: each composition is mixed, obtain suspending agent in a usual manner after grinding and/or high speed shear.
Application at the control Botrytis cinerea.Test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).25.5% Fluoxastrobin procymidone suspending agent is sprayed by 1100 times of (Fluoxastrobin valid density is 227mg/L, and procymidone valid density is 5mg/L) thin ups, and after medicine, the control efficiency of 7 days and 15 days is respectively 92.1%, 87.8%.250 grams per liter Fluoxastrobin suspending agents are by 1000 times (valid density is 250mg/L), 50% procymidone wetting powder is by 1000 times (valid density is 500mg/L), uses with same method, and after medicine, the preventive effect of 7 days and 15 days is respectively 83.7%, 79.2% and 80.0%, 74.9%.The composite rear synergistic effect of Fluoxastrobin and procymidone is obvious, to the preventive effect of Botrytis cinerea significantly better than single dose.Concrete outcome sees Table 7.
The field efficacy measurement result of table 7 25.5% Fluoxastrobin procymidone suspending agent to Botrytis cinerea
| Medicament | Effective ingredient consumption (mg/L) | Preventive effect after 7 days (%) | Preventive effect after 15 days (%) |
| 25.5% Fluoxastrobin procymidone | 232(227+5) | 92.1 | 87.8 |
| 250 grams per liter Fluoxastrobins | 250 | 83.7 | 79.2 |
| 50% procymidone | 500 | 80.0 | 74.9 |
Claims (4)
1. the bactericidal pesticide composition that contains Fluoxastrobin is characterized in that jointly forming with acceptable auxiliary element in agricultural chemicals take Fluoxastrobin and procymidone as the active drug composition, and the part by weight of active drug composition Fluoxastrobin and procymidone is 1: 50～50: 1.
2. bactericidal pesticide composition as claimed in claim 1 is characterized in that in said active drug composition, the part by weight of Fluoxastrobin and procymidone is 1: 20～20: 1.
3. bactericidal pesticide composition as claimed in claim 1 or 2, is characterized in that the operational formulations of pesticide that are selected from wetting powder, water dispersible granules, suspending agent of the common composition of acceptable auxiliary element in said active drug composition and agricultural chemicals.
4. the application of the described bactericidal pesticide composition of claim 1 or 2 in the farm crop fungus disease of control fruit, vegetables.
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| CN106922729A (en) * | 2017-04-26 | 2017-07-07 | 深圳诺普信农化股份有限公司 | Bactericidal composition and its application |
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| JP2012097063A (en) * | 2010-10-07 | 2012-05-24 | Sumitomo Chemical Co Ltd | Plant disease controlling composition and method for controlling plant disease |
| CN102308831B (en) * | 2011-03-17 | 2015-09-09 | 陕西汤普森生物科技有限公司 | The bactericidal composition of a kind of pyraclostrobin-containing and dicarboxyl carboximide class |
| CN104521965A (en) * | 2015-01-04 | 2015-04-22 | 陕西亿农高科药业有限公司 | High procymidone content suspending agent and preparation method thereof |
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|---|---|---|---|---|
| CN1465245A (en) * | 2002-06-30 | 2004-01-07 | 周耀德 | Built disinfectant |
| CN101473830A (en) * | 2009-01-16 | 2009-07-08 | 利尔化学股份有限公司 | Sterilizing agricultural chemical composition containing amistar |
-
2010
- 2010-06-02 CN CN 201010189953 patent/CN101836634B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1465245A (en) * | 2002-06-30 | 2004-01-07 | 周耀德 | Built disinfectant |
| CN101473830A (en) * | 2009-01-16 | 2009-07-08 | 利尔化学股份有限公司 | Sterilizing agricultural chemical composition containing amistar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922729A (en) * | 2017-04-26 | 2017-07-07 | 深圳诺普信农化股份有限公司 | Bactericidal composition and its application |
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| Publication number | Publication date |
|---|---|
| CN101836634A (en) | 2010-09-22 |
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