CN101617672A - Synergistic sterilizing composition - Google Patents
Synergistic sterilizing composition Download PDFInfo
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- CN101617672A CN101617672A CN200910165904A CN200910165904A CN101617672A CN 101617672 A CN101617672 A CN 101617672A CN 200910165904 A CN200910165904 A CN 200910165904A CN 200910165904 A CN200910165904 A CN 200910165904A CN 101617672 A CN101617672 A CN 101617672A
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- Prior art keywords
- fluquinconazole
- prochloraz
- tpn
- tmtd
- control efficiency
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
Abstract
The invention relates to a sterilizing composition which is characterized in that fluquinconazole (A) is taken as an effective component, one (B) of chlorothalonil, thiram and prochloraz is used as another effective component, and the balance of balance of auxiliary components which is allowed to be used and is acceptable in pesticide, wherein the mass ratio of A and B is 50:1-1:80. The mixing of the effective components A and B according to certain proportion has obvious synergistic function and is used for preventing and treating diseases of gramineous grain crops, vegetables, fruit trees, colza and the like.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of Synergistic bactericidal composition that contains Fluquinconazole.
Background technology
Fluquinconazole (Fluquinconazole) is a kind of triazole bactericidal agent; have interior suction, protection and therapeutic action; lasting period is long; its mechanism of action is a sterol demethylation inhibitor; destroy and organize the biosynthesis of the cell membrane important component ergosterol of germ; cause cell membrane not form, make germ death.Fungus-caused diseases such as Erysiphe, chain sclerotinia sclerotiorum, the mould genus of tail spore, Phoma, Septoria, Sclerotinia, Puccinia, hunchbacked spore Rust all there is good control efficiency.
Fluquinconazole is a kind of bactericide newly developed, and current production and use cost are higher, and long-term single with very big resistance risk is arranged, the growth to crop has certain inhibitory action when overdose uses simultaneously.
In view of this, it is significant that exploitation contains the sterilization synergistic composition of Fluquinconazole.With different pesticide active ingredient applied in any combination, not only can obviously improve actual preventive effect, reducing dosage and cost, also help to avoid the generation and the suspension of pesticide resistance generation speed of germ resistance, is a kind of mode effectively and efficiently of workout cost and resistance problem.
Summary of the invention
The purpose of this invention is to provide a kind of efficient, cost is low and help the Synergistic bactericidal composition that contains Fluquinconazole of germ resistance management.
The objective of the invention is to realize by following measure:
A kind of bactericidal composition, it is characterized in that with Fluquinconazole (A) be an active ingredient, a kind of (B) in tpn, tmtd, the Prochloraz is another active ingredient, and wherein the mass ratio of effective constituents A and B is 50: 1～1: 80, all the other auxiliary elements for using in the agricultural chemicals.
Improve preferred 10: 1～1: 20 of the mass ratio of effective constituents A and B as a kind of prescription of the present invention.
Active component B of the present invention is specially:
Prochloraz (Prochloraz) is a kind of efficient, wide spectrum, low toxicity type bactericide, inhales multiple actions such as conduction, prevention protection treatment in having.Work by the biosynthesis that suppresses sterol, suction conduction in plant corpus, having in, the multiple diseases that causes for sac fungi and imperfect fungus has tangible preventive effect.
Tpn is a kind ofly to inhale the broad spectrum protection bactericide in non-, and the lasting period is longer, and its mechanism of action is to have an effect with the glyceraldehyde 3-phosphate dehydrogenase among the fungal cell, destroys this enzymic activity, fungal cell's metabolism is damaged and loses one's life power.Be mainly used in the control of diseases such as rust, anthracnose, powdery mildew, eqpidemic disease, downy mildew on fruit tree, the vegetables.
Tmtd (Thiram) is that good fortune U.S.A of a kind of protectiveness is a bactericide, and fungicidal spectrum is wide, to the downy mildew of various crop, eqpidemic disease, anthracnose, cereal class smut, seedling stage disease such as yellow blight preventive effect is preferably all arranged.
Above-mentioned active component all is bactericide well known in the art, can obtain by various commercial channel.
Composition pesticide of the present invention can be prepared into known method and be fit to any one formulation that agricultural is used, reasonable formulation is wetting powder, suspending agent, oil-suspending agent and water dispersible granules, and the quality percentage composition of active ingredient is 10%～90% in the preparation.
Composition pesticide of the present invention can be used to prevent and treat the disease on the various plants such as vegetables, fruit tree, cereal, rape, is particularly useful for alternaria leaf spot of apple, apple scab, pear scab, apple anthracnose, bitter rot or anthracnose of grape, melon anthracnose, wheat powdery mildew, powdery mildew of cucumber, gray mold of cucumber, leaf spot of peanut, sclerotinia rot of colza etc.
Composition of the present invention can be used by common method, and as cast, seed dressing, spraying, dusting, distribution, its amount of application is with weather condition or crop state variation.
Compared with prior art, beneficial effect of the present invention is: 1. composition has obvious role in synergism in certain ratio range, compares with single agent, has significantly improved control efficiency; 2. composition is made up of two kinds of different active components of mechanism of action, has reduced the single selection pressure to germ, helps avoiding resistance and delays the drug-fast generation speed of germ; 3. be mixed the back because drug effect improves, and the consumption of active ingredient reduces, thereby reduced cost and the pollution that has alleviated environment, also alleviated inhibitory action to a certain extent plant growth.
Embodiment
Different pesticide active ingredients being made up make agricultural chemicals, is a kind of mode effectively and efficiently that solves serial problem such as germ pesticide resistance at present.Compound synergic is well filled a prescription, and can obviously improve actual control efficiency, and reduce the usage amount of active ingredient, thereby help avoid drug-fast generation of germ and suspension of pesticide resistance generation speed, be scientific and reasonable important means of preventing and treating disease.
The inventor is by a large amount of screening tests, find that any one combination in Fluquinconazole and tpn, tmtd, the Prochloraz has remarkable role in synergy to black star germ, ash arrhizus bacteria and white powder germ etc., and be not only the simple addition (seeing biologicall test example 1,2,3 for details) of two kinds of medicaments.
Biologicall test example 1: the composite Toxicity Determination of Fluquinconazole and tmtd to pear cucumerinum
Subjects: the pear cucumerinum (Venturia nashicola) that picks up from the field
Test method: spore germination method.Separate pear cucumerinum from the scab that picks up from the field fresh fruit, with germ on the PDA medium in 25 ℃ of incubators continuous culture carry out purifying 3 times, and then be connected to shaken cultivation spore in the PDB liquid nutrient medium.Cultured pear cucumerinum spore is removed by filter mycelia, be mixed with 4 * 10 with sterile water then
5The suspension of individual spore/milliliter.Reagent agent is diluted to corresponding concentration, and adds 2mL with the spore suspension of pear cucumerinum with 2mL and be mixed, adding the 2mL spore suspension with the 2mL sterile water is blank.Place in 24 ℃ of incubators and cultivate, microscopy spore germination rate behind the 15h, and calculate the spore germination relative inhibition.Every processing is 10 visuals field of microscopy at random, repeat 4 times, and every spore germ tube length surpasses 1/2 of spore length and is germinating.
The spore germination relative inhibition is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, calculates concentration EC in virulence equation and the inhibition with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.Toxicity test the results are shown in Table 1.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
CTC≤80, the composition performance is antagonism; 80＜CTC＜120, the composition performance is summation action; CTC 〉=120, the composition performance is synergistic effect.
Measurement result (table 1) shows that Fluquinconazole and tmtd have synergistic effect to pear cucumerinum between proportioning 50: 1～1: 80, and especially between 10: 1～1: 20, synergistic effect is obvious, and co-toxicity coefficient is more than 180.
The composite Toxicity Determination result of table 1 Fluquinconazole and tmtd to pear cucumerinum
| Handle | ??EC 50(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Fluquinconazole | ??0.78 | ??100.0 | ??/ | ??/ |
| Tmtd | ??20.35 | ??3.8 | ??/ | ??/ |
| Fluquinconazole 50: tmtd 1 | ??0.64 | ??121.9 | ??98.1 | ??124.2 |
| Fluquinconazole 30: tmtd 1 | ??0.61 | ??127.9 | ??96.9 | ??132.0 |
| Fluquinconazole 10: tmtd 1 | ??0.46 | ??169.6 | ??91.3 | ??185.8 |
| Fluquinconazole 3: tmtd 1 | ??0.48 | ??162.5 | ??76.0 | ??213.9 |
| Fluquinconazole 1: tmtd 1 | ??0.59 | ??132.2 | ??51.9 | ??254.6 |
| Fluquinconazole 1: good fortune attractive in appearance 6 | ??1.98 | ??39.4 | ??17.6 | ??224.2 |
| Fluquinconazole 1: tmtd 10 | ??3.11 | ??25.1 | ??12.6 | ??199.4 |
| Fluquinconazole 1: tmtd 20 | ??5.13 | ??15.2 | ??8.4 | ??180.7 |
| Fluquinconazole 1: tmtd 50 | ??9.88 | ??7.9 | ??5.7 | ??138.1 |
| Fluquinconazole 1: tmtd 80 | ??12.69 | ??6.1 | ??5.0 | ??122.4 |
Biologicall test example 2: the composite pot experiment of Fluquinconazole and Prochloraz to wheat powdery mildew
Subjects: the wheat powdery mildew (Blumeria graminis) that picks up from the field
Test method: pot-culture method.Choose the potted plant wheat seedling of three to four leaf phases of growing way unanimity, each processing selects for use 3 basins for the examination wheat seeding, numbers standby.The sick leaf of the wheat powdery mildew that picks up from the field is evenly shaken off conidium inoculate above wheat seedling, carry out chemicals treatment behind the 24h, test medicine is referring to table 1.Under 50PSI pressure, spray every processing 5mL with the Potter spray tower.Each medicament is provided with 5 concentration gradients, is blank with what spray the equivalent clear water.After the spraying wheat seeding is put into the greenhouse and cultivate, according to the morbidity grade scale complete stool investigation incidence of wheat powdery mildew, calculate disease index and control efficiency behind the 7d.
Control efficiency is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, calculates concentration EC in virulence equation and the inhibition with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.Toxicity test the results are shown in Table 2.
Measurement result shows, the proportioning of Fluquinconazole and Prochloraz has synergistic effect to wheat powdery mildew between 50: 1～1: 80 the time, and in the time of especially between 10: 1～1: 20, co-toxicity coefficient is more than 170.
The composite results from pot experiment test of table 2 Fluquinconazole and Prochloraz to wheat powdery mildew
| Handle | ??EC 50(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Fluquinconazole | ??9.55 | ??100.0 | ??/ | ??/ |
| Prochloraz | ??34.15 | ??28.0 | ??/ | ??/ |
| Fluquinconazole 50: Prochloraz 1 | ??8.01 | ??119.2 | ??98.6 | ??120.9 |
| Fluquinconazole 30: Prochloraz 1 | ??7.35 | ??129.9 | ??97.7 | ??133.0 |
| Fluquinconazole 10: Prochloraz 1 | ??5.89 | ??162.1 | ??93.5 | ??173.5 |
| Fluquinconazole 3: Prochloraz 1 | ??5.78 | ??165.2 | ??82.0 | ??201.5 |
| Fluquinconazole 1: Prochloraz 1 | ??6.98 | ??136.8 | ??64.0 | ??213.8 |
| Fluquinconazole 1: Prochloraz 6 | ??10.88 | ??87.8 | ??38.3 | ??229.4 |
| Fluquinconazole 1: Prochloraz 10 | ??14.03 | ??68.1 | ??34.5 | ??197.2 |
| Fluquinconazole 1: Prochloraz 20 | ??17.25 | ??55.4 | ??31.4 | ??176.3 |
| Fluquinconazole 1: Prochloraz 50 | ??23.45 | ??40.7 | ??29.4 | ??138.6 |
| Fluquinconazole 1: Prochloraz 80 | ??26.68 | ??35.8 | ??28.9 | ??124.1 |
Biologicall test example 3: Fluquinconazole and chlorothalonil compound are to the Toxicity Determination of botrytis cinerea
Subjects: the botrytis cinerea (Botrytis cinerea) that picks up from the field
Test method: mycelial growth rate method.With botrytis cinerea PDA medium culture, when treating that bacterium colony has just covered with culture dish, be that the card punch of 7mm punches from the edge with internal diameter, the mycelia piece that breaks into is as inoculum.Get the soup 5mL for preparing and quantitative 75mL sterilising medium respectively and mix, make 4 pastille flat boards, be mixed into contrast with equivalent sterile water and medium.The inversion of mycelia piece is connected to dull and stereotyped central authorities, and in 28 ℃ of incubators, cultivates.Behind the 7d, measure colony diameter, calculate and respectively handle the clean amount of growth of colony diameter, mycelial growth inhibition rate with the right-angled intersection method.
The clean amount of growth of colony diameter (mm)=measurement colony diameter-7
Mycelial growth inhibition rate (%)=[(the clean amount of growth of the clean amount of growth-processed group of control group)/clean amount of growth of control group] * 100
Mycelial growth inhibition rate is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, calculates concentration EC in virulence equation and the inhibition with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.Toxicity test the results are shown in Table 3.
Measurement result shows, the proportioning of Fluquinconazole and tpn has synergistic effect to graw mold of tomato between 50: 1～1: 80 the time, and in the time of especially between 10: 1～1: 20, synergy is very obvious, and co-toxicity coefficient is more than 180.
Table 3 Fluquinconazole and chlorothalonil compound are to the Toxicity Determination result of botrytis cinerea
| Handle | ??EC 50(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Fluquinconazole | ??0.58 | ??100.0 | ??/ | ??/ |
| Tpn | ??10.27 | ??5.6 | ??/ | ??/ |
| Fluquinconazole 50: tpn 1 | ??0.48 | ??120.8 | ??98.1 | ??123.1 |
| Fluquinconazole 30: tpn 1 | ??0.44 | ??131.8 | ??97.0 | ??136.0 |
| Fluquinconazole 10: tpn 1 | ??0.35 | ??165.7 | ??91.4 | ??181.3 |
| Fluquinconazole 3: tpn 1 | ??0.37 | ??156.8 | ??76.4 | ??205.1 |
| Fluquinconazole 1: tpn 1 | ??0.51 | ??113.7 | ??52.8 | ??215.3 |
| Fluquinconazole 1: tpn 6 | ??1.34 | ??43.3 | ??19.1 | ??226.3 |
| Fluquinconazole 1: tpn 10 | ??2.05 | ??28.3 | ??14.2 | ??198.9 |
| Fluquinconazole 1: tpn 20 | ??3.14 | ??18.5 | ??10.1 | ??182.2 |
| Fluquinconazole 1: tpn 50 | ??5.56 | ??10.4 | ??7.5 | ??139.1 |
| Fluquinconazole 1: tpn 80 | ??7.08 | ??8.2 | ??6.8 | ??120.3 |
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Fungicidal composition of the present invention can be prepared into known method and be fit to any one formulation that agricultural is used, and reasonable formulation is wetting powder, water dispersible granules, suspending agent, oil-suspending agent.Below describe with specific embodiment, all the prescription in percentage be mass percent.The processing technology of the various preparations of the present composition is prior art, can change to some extent according to different situations.
Embodiment 1:51% Fluquinconazole thiram wettable powder
Fluquinconazole 50%
Tmtd 1%
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
White carbon black (filler) 10%
Kaolin (filler) complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 51% Fluquinconazole thiram wettable powder.
This embodiment is applied to prevent and treat pear scab.51% Fluquinconazole thiram wettable powder is pressed the spraying of 40g a.i./ha thin up, and 7 days control efficiency is 90.8% behind the medicine.50g a.i./ha pressed by 10% Fluquinconazole suspending agent and 50% thiram wettable powder is pressed 800g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 87.5% and 82.4% behind the medicine.The synergistic effect of the composite back of Fluquinconazole and tmtd is obvious, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of pear scab, thereby has reduced cost and alleviated pollution to environment.
Embodiment 2:33% Fluquinconazole Prochloraz suspending agent
Fluquinconazole 30%
Prochloraz 3%
Methyl naphthalene sulfonate formaldehyde condensate (wetting dispersing agent) 6%
Xanthans (thickener) 5%
Bentonite (thickener) 2%
Glycerine (antifreeze) 5%
Water complements to 100%.
The ratio of each component such as active component, wetting agent, dispersant, thickener, antifreeze and water in prescription mixed, after grinding and/or high speed shear, obtain 33% Fluquinconazole Prochloraz suspending agent.
This embodiment is applied to prevent and treat gray mold of cucumber.33% Fluquinconazole Prochloraz suspending agent is pressed the spraying of 130g a.i./ha thin up, and 7 days control efficiency is 91.7% behind the medicine.150g a.i./ha pressed by 10% Fluquinconazole suspending agent and 25% Prochloraz missible oil is pressed 300g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 82.9% and 88.5% behind the medicine.The synergistic effect of the composite back of Fluquinconazole and Prochloraz is obvious, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of gray mold of cucumber, thereby has reduced use cost and alleviated pollution to environment.
Embodiment 3:48% Fluquinconazole tpn oil-suspending agent
Fluquinconazole 40%
Tpn 8%
Sodium lignin sulfonate (wetting dispersing agent) 10%
Bentonite (thickener) 3%
Xanthan gum (thickener) 2%
Organic silicone (defoamer) 5%
Castor oil (solvent) complements to 100%.
Each component such as active component, dispersant, wetting agent, thickener, defoamer and solvent is mixed in the ratio of prescription, after putting into the sand milling still and grinding, send into the interior mixing of homogeneous blender, promptly get 48% Fluquinconazole tpn oil-suspending agent.
This embodiment is applied to prevent and treat alternaria leaf spot of apple.48% Fluquinconazole tpn oil-suspending agent is pressed the spraying of 35ga.i./ha thin up, and 7 days control efficiency is 92.8% behind the medicine.50ga.i./ha pressed by 10% Fluquinconazole suspending agent and 75% tpn wetting powder is pressed 1500g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 87.5% and 75.4% behind the medicine.Synergistic effect is obvious behind Fluquinconazole and the chlorothalonil compound, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of alternaria leaf spot of apple, thereby reduced cost and alleviated pollution to environment.
Embodiment 4:20% Fluquinconazole tpn suspending agent
Fluquinconazole 15%
Tpn 5%
Methyl naphthalene sulfonate formaldehyde condensate (wetting dispersing agent) 6%
Xanthans (thickener) 5%
Bentonite (thickener) 2%
Glycerine (antifreeze) 5%
Water complements to 100%.
The ratio of each component such as active component, wetting agent, dispersant, thickener, antifreeze and water in prescription mixed, after grinding and/or high speed shear, obtain 20% Fluquinconazole tpn suspending agent.
This embodiment is applied to prevent and treat powdery mildew of cucumber.20% Fluquinconazole tpn suspending agent is pressed the spraying of 100g a.i./ha thin up, and 7 days control efficiency is 94.7% behind the medicine.150g a.i./ha pressed by 10% Fluquinconazole suspending agent and 75% tpn wetting powder is pressed 1500g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 88.5% and 79.9% behind the medicine.Synergistic effect is obvious behind Fluquinconazole and the chlorothalonil compound, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of powdery mildew of cucumber, thereby reduced use cost and alleviated pollution to environment.
Embodiment 5:10% Fluquinconazole tmtd suspending agent
Fluquinconazole 5%
Tmtd 5%
Methyl naphthalene sulfonate formaldehyde condensate (wetting dispersing agent) 6%
Xanthans (thickener) 5%
Bentonite (thickener) 2%
Glycerine (antifreeze) 5%
Water complements to 100%.
The ratio of each component such as active component, wetting agent, dispersant, thickener, antifreeze and water in prescription mixed, after grinding and/or high speed shear, obtain 10% Fluquinconazole tmtd suspending agent.
This embodiment is applied to prevent and treat wheat powdery mildew.10% Fluquinconazole tmtd suspending agent is pressed the spraying of 150g a.i./ha thin up, and 7 days control efficiency is 95.5% behind the medicine.150g a.i./ha pressed by 10% Fluquinconazole suspending agent and 50% thiram wettable powder is pressed 1000g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 90.5% and 83.9% behind the medicine.The synergistic effect of the composite back of Fluquinconazole and tmtd is obvious, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of wheat powdery mildew, thereby has reduced use cost and alleviated pollution to environment.
Embodiment 6:28% Fluquinconazole Prochloraz oil-suspending agent
Fluquinconazole 4%
Prochloraz 24%
Sodium lignin sulfonate (wetting dispersing agent) 10%
Bentonite (thickener) 3%
Xanthan gum (thickener) 2%
Organic silicone (defoamer) 5%
Castor oil (solvent) complements to 100%.
Each component such as active component, dispersant, wetting agent, thickener, defoamer and solvent is mixed in the ratio of prescription, after putting into the sand milling still and grinding, send into the interior mixing of homogeneous blender, promptly get 28% Fluquinconazole Prochloraz oil-suspending agent.
This embodiment is applied to prevent and treat bitter rot or anthracnose of grape.28% Fluquinconazole Prochloraz oil-suspending agent is pressed the spraying of 100g a.i./ha thin up, and 7 days control efficiency is 95.8% behind the medicine.50g a.i./ha pressed by 10% Fluquinconazole suspending agent and 25% Prochloraz missible oil is pressed 250g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 89.5% and 85.4% behind the medicine.The synergistic effect of the composite back of Fluquinconazole and Prochloraz is obvious, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of bitter rot or anthracnose of grape, thereby has reduced cost and alleviated pollution to environment.
Embodiment 7:90% Fluquinconazole tmtd water dispersible granules
Fluquinconazole 10%
Tmtd 80%
NNO (dispersant) 3%
Sodium lignin sulfonate (dispersant) 3%
Lauryl sodium sulfate (wetting agent) 1%
Magnesiumaluminumsilicate (disintegrant) 1%
Precipitated calcium carbonate (filler) complements to 100%.
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruding again and make material, obtain 90% Fluquinconazole tmtd water-dispersible granules after the drying screening through comminution by gas stream.
This embodiment is applied to prevent and treat apple anthracnose.90% Fluquinconazole tmtd water-dispersible granules is pressed the spraying of 150ga.i./ha thin up, and 7 days control efficiency is 92.4% behind the medicine.50ga.i./ha pressed by 10% Fluquinconazole suspending agent and 50% thiram wettable powder is pressed 800g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 87.7% and 78.5% behind the medicine.The synergistic effect of the composite back of Fluquinconazole and tmtd is obvious, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of apple anthracnose.
Embodiment 8:80% Fluquinconazole tpn wetting powder
Fluquinconazole 5%
Tpn 75%
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
White carbon black (filler) 10%
Kaolin (filler) complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 80% Fluquinconazole tpn wetting powder.
This embodiment is applied to prevent and treat ring rot of apple.80% Fluquinconazole tpn wetting powder is pressed the spraying of 250ga.i./ha thin up, and 7 days control efficiency is 91.8% behind the medicine.50ga.i./ha pressed by 10% Fluquinconazole suspending agent and 75% tpn suspending agent is pressed 1500g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 87.8% and 81.6% behind the medicine.Synergistic effect is obvious behind Fluquinconazole and the chlorothalonil compound, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of ring rot of apple, thereby reduced cost and alleviated pollution to environment.
Embodiment 9:63% Fluquinconazole chlorothalonil water dispersible granule
Fluquinconazole 3%
Tpn 60%
NNO (dispersant) 7%
Sodium lignin sulfonate (dispersant) 5%
Lauryl sodium sulfate (wetting agent) 5%
Magnesiumaluminumsilicate (disintegrant) 2%
Precipitated calcium carbonate (filler) complements to 100%.
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruding again and make material, obtain 63% Fluquinconazole tpn water-dispersible granules after the drying screening through comminution by gas stream.
This embodiment is applied to prevent and treat early blight of tomato.63% Fluquinconazole tpn water-dispersible granules is pressed the spraying of 250ga.i./ha thin up, and 7 days control efficiency is 91.4% behind the medicine.50ga.i./ha pressed by 10% Fluquinconazole suspending agent and 75% tpn wetting powder is pressed 2000g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 87.7% and 80.5% behind the medicine.Synergistic effect is obvious behind Fluquinconazole and the chlorothalonil compound, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of early blight of tomato.
Embodiment 10:40.5% Fluquinconazole Prochloraz wetting powder
Fluquinconazole 0.5%
Prochloraz 40%
Lauryl sodium sulfate (wetting agent) 2%
Sodium lignin sulfonate (dispersant) 5%
White carbon black (filler) 10%
Kaolin (filler) complements to 100%.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 40.5% Fluquinconazole Prochloraz wetting powder.
This embodiment is applied to prevent and treat sclerotinia rot of colza.40.5% Fluquinconazole Prochloraz wetting powder is pressed the spraying of 150ga.i./ha thin up, and 7 days control efficiency is 86.8% behind the medicine.200ga.i./ha pressed by 10% Fluquinconazole suspending agent and 25% Prochloraz missible oil is pressed 200g a.i./ha, the thin up spraying, and 7 days control efficiency is respectively 80.6% and 82.8% behind the medicine.The synergistic effect of the composite back of Fluquinconazole and Prochloraz is obvious, and significantly better than single agent, and the consumption of active ingredient obviously reduces to the control efficiency of sclerotinia rot of colza, thereby has reduced cost and alleviated pollution to environment.
Claims (6)
1, a kind of bactericidal composition is characterized in that: with Fluquinconazole (A) is an active ingredient, and a kind of (B) in tpn, tmtd, the Prochloraz is another active ingredient, and wherein the mass ratio of effective constituents A and B is 50: 1～1: 80.
2, bactericidal composition according to claim 1 is characterized in that: the mass ratio of effective constituents A and B is 10: 1～1: 20.
3, bactericidal composition according to claim 1 and 2 is characterized in that: the quality percentage composition of active ingredient is 10%～90% in the described bactericidal composition.
4, according to claim 3, it is characterized in that: the formulation of composition is wetting powder, suspending agent, oil-suspending agent and water dispersible granules.
5, the application of the described bactericidal composition of claim 1 on control of crop disease.
6, the application of bactericidal composition according to claim 5 is characterized in that: described crop is one or more in fruit tree, vegetables, cereal class, the rape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910165904A CN101617672A (en) | 2009-08-12 | 2009-08-12 | Synergistic sterilizing composition |
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| CN200910165904A CN101617672A (en) | 2009-08-12 | 2009-08-12 | Synergistic sterilizing composition |
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| CN101617672A true CN101617672A (en) | 2010-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012165266A1 (en) * | 2011-05-27 | 2012-12-06 | Ishihara Sangyo Kaisha, Ltd. | Method for controlling plant diseases |
| CN104604920A (en) * | 2013-11-05 | 2015-05-13 | 南京华洲药业有限公司 | Sterilization composition containing prochloraz nantokite and triazole bactericide as well as application thereof |
-
2009
- 2009-08-12 CN CN200910165904A patent/CN101617672A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012165266A1 (en) * | 2011-05-27 | 2012-12-06 | Ishihara Sangyo Kaisha, Ltd. | Method for controlling plant diseases |
| CN104604920A (en) * | 2013-11-05 | 2015-05-13 | 南京华洲药业有限公司 | Sterilization composition containing prochloraz nantokite and triazole bactericide as well as application thereof |
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Open date: 20100106 |