CN102388893B - Pesticide composition containing ZJ0712 and tetraconazole - Google Patents
Pesticide composition containing ZJ0712 and tetraconazole Download PDFInfo
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- CN102388893B CN102388893B CN 201110318647 CN201110318647A CN102388893B CN 102388893 B CN102388893 B CN 102388893B CN 201110318647 CN201110318647 CN 201110318647 CN 201110318647 A CN201110318647 A CN 201110318647A CN 102388893 B CN102388893 B CN 102388893B
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Abstract
The invention relates to a pesticide composition containing ZJ0712 and tetraconazole. The active ingredients of the pesticide composition are ZJ0712 and tetraconazole, wherein the weight ratio of ZJ0712 to tetraconazole is (10:1)-(1:10). The pesticide composition can be processed into a suspending agent, a water dispersible granule or emulsion in water. The pesticide composition provided by the invention can be used for preventing and controlling powdery mildews of wheat, fruit trees, vegetables and flowers. The pesticide composition disclosed by the invention has the advantages of decreased pesticide dose, reduced usage times, lowered chemical cost, and safety to crops.
Description
Technical field
The invention belongs to the pesticide sterilizing technical field, be specifically related to a kind of pesticide sterilizing composite take ZJ0712 and tetraconazole as effective ingredient, be used for control wheat class, fruit tree, vegetables, flowers powdery mildew.
Background technology
Powdery mildew is one of the most serious disease that causes harm in agricultural production, all can occur from seedling to each stage of results, and agricultural output, quality are affected greatly, and effectively preventing and controlling powdery mildew is one of important step in agricultural cultivation.
Along with people improve constantly the requirement of food security, environmental protection, the agricultural chemicals operating position on the crops that people depend on for existence also receives much concern.Along with progressively eliminating of high-toxic pesticide, need efficient, low toxicity, safety, environment amenable pharmaceutical preparations.Simultaneously, the long-term use of agricultural chemicals makes developing immunity to drugs of disease pest and weed, and is also more and more higher to the requirement of control medicament, and this just needs the agricultural chemicals research staff to develop the pharmaceutical preparations of highly effective and safe, satisfies the control requirement.Because China's agricultural chemicals initiative is started late, the pesticide species with independent intellectual property right can't be satisfied the demand, so the pesticide mixed preparation of development of new, is the only way of current Agrochemicals.
ZJ0712 is a kind of new methoxy acrylic systemic fungicide, has protection and therapeutic action.Fungicidal spectrum is wide, bactericidal activity is high, instant effect, and resistance of rainwater washing against, lasting period are long, belongs to efficient, low toxicity, less-persistent pesticide.Powdery mildew (as cucurbits powdery mildew, apple mildew etc.), rust (as apple rust, rust of pear etc.), downy mildew (grape and cucumber downy mildew etc.), anthracnose (as cucumber, watermelon and mango anthracnose etc.) to various crops all show excellent control efficiency.
Tetraconazole, the mechanism of action and characteristics are sterol demethylation inhibitor, have well in absorption, therefore can be promptly by plant absorbing, and in conducted inside; Have good protection and therapeutic activity.6 weeks of lasting period.Be applicable to cereal crop such as wheat, barley, oat, rye etc., fruit tree such as banana, grape, pears, apple etc., vegetables such as melon, beet, ornamental plants etc.Can prevent and treat Erysiphe, Puccinia, Rhynchosporium spp．, nuclear cavity Pseudomonas and the microbial disease of Septoria, as wheat powdery mildew, loose smut of wheat, wheat rust, the bunt of wheat, wheat grain husk blessing disease, barley leaf blotch, loose smut of barley, barley banded sclerotial blight, maize head smut, head smut of sorghum, melon and fruit powdery mildew, sigatoka, alternaria leaf spot of apple, pear scab and grape powdery mildew etc.Both but cauline leaf was processed, and also can make seed treatment and use.
Being mixed and using of ZJ0712 and tetraconazole there is no report at present.
Summary of the invention
The object of the present invention is to provide a kind of efficient, low toxicity, low cost, quick-acting is good, the lasting period is long, to crop safety, environment amenable composition pesticide.
The inventor after finding that ZJ0712 and tetraconazole are mixed in certain proportion, has significant synergistic effect to powdery mildew by a large amount of indoor bioassay test and field medicine effect test.
On the basis of above-mentioned discovery, after further study, formed technical scheme of the present invention, that is: a kind of composition pesticide, effective ingredient is ZJ0712 and tetraconazole, the parts by weight ratio of ZJ0712 and tetraconazole is 10
:1～1
:10.The percentage by weight of weight summation in composition pesticide of ZJ0712 and tetraconazole is 5%～80%.
Composition pesticide of the present invention can according to well known to a person skilled in the art method, be processed into the application forms of the suitable agricultural uses such as suspending agent, water-dispersible granules.
Composition pesticide of the present invention also contains the required auxiliary element of preparation pesticidal preparations, comprise one or more mixing in emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, medium etc., be known substance, various auxiliary agents commonly used in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
For suspending agent, the emulsifier of use can be naphthalene or Fluhyzon formaldehyde condensation products and salt thereof, Nongru-700 #(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 1601#(common name triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), one or more in sorbitan monostearate.The dispersant that uses can be lignin and derivative sulfonate, polycarboxylate, pull open one or more in powder, alkylnaphthalene sulfonate.The wetting agent that uses can be one or more in naphthalene sulfonate, alkylsulfonate, alkyl sulfate, the withered powder of tea, spaonin powder, alkylphenol polyoxyethylene formaldehyde condensation products phosphate, phenethyl phenol polyethenoxy base ether phosphate.Thickener can be one or more in bentonite, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol, xanthans; Preservative can be one or more in formaldehyde, Sodium Benzoate, benzoic acid; Defoamer is organosilicon; Antifreezing agent can be one or more in ethylene glycol, propane diols, urea, glycerine, sodium chloride.
For water dispersible granules, the dispersant of use can be one or more in lignin and derivative sulfonate thereof, polycarboxylate, alkylnaphthalene sulfonate, naphthalenesulfonate formaldehyde condensation compound.Wetting agent can be one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate, polyoxyethylene nonylphenol ether.Disintegrant can be one or more in sodium bicarbonate, urea, ammonium sulfate, aluminium chloride, sucrose.Binding agent can be one or more in corn starch, CMC, diatomite.One or more in filler such as kaolin, white carbon, talcum powder, calcium bicarbonate, diatomite, potter's clay.
Composition pesticide described in the invention can the finished product preparation form provide, and namely in composition, each material mixes, and the composition of composition also can the single dose form provide, and directly mixes in bucket or tank before use, then is diluted to desired concn.
Composition pesticide described in the invention is used for control wheat class, fruit tree, vegetables, flowers powdery mildew.
Composition pesticide described in the invention adopts the method for spraying to use usually, also can adopt as required upper other operation technique used of agricultural.
Composition pesticide described in the invention has following beneficial effect.
1, composition pesticide provided by the invention, show obvious synergistic effect in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduced the using dosage of agricultural chemicals, reduced the medication number of times, reduce drug cost, reduced the adverse effect of agricultural chemicals to ecotope.
2, composition pesticide provided by the invention, two kinds of effective ingredient mechanism of action are different, are conducive to overcome and delay the drug-fast generation of germ, extend the service life of medicament.
3, composition pesticide provided by the invention, the drug effect performance is rapid, and the lasting period is long, and use cost reduces, and easy to use, time saving and energy saving, it applies huge economic benefit and social benefit.
4, composition pesticide provided by the invention, the formulation environmental protection is to Crop securify.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these examples.The following stated is only the present invention embodiment preferably, only is used for describing the present invention, can not be interpreted as the restriction to scope of the present invention.Should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Dissimilar pesticide active ingredient being carried out composite, is a kind of effective means that solves at present the problem such as use cost and pesticide resistance in agricultural chemicals single dose application process.After dissimilar pesticide active ingredient is mixed, usually show three kinds of type of action, i.e. summation action, synergistic effect, antagonism.The inventor finds that ZJ0712 and tetraconazole in certain mixed ratio scope, have significant synergies to Powdery Mildew on the basis of a large amount of indoor and outdoors biometric tests.
Biologicall test embodiment 1: the composite Toxicity Determination to the powdery mildew of cucumber bacterium of ZJ0712 and tetraconazole.
Material is selected: the sick leaf of powdery mildew of cucumber that picks up from the field.
Test method: first use the acetone solution 98% former medicine of ZJ0712 and the former medicine of 94% tetraconazole, make respectively the single dose mother liquor.According to the preliminary experiment result, on the basis of above-mentioned single dose mother liquor, appropriate two former medicines are mixed with the mixture of five kinds of different proportionings, then are mixed with 6 series mass concentration solution for later use with the aqueous solution dilution that contains 0.1% Tween 80 respectively.The ZJ0712 dilution is 160 μ g/ml, 80 μ g/ml, 40 μ g/ml, 20 μ g/ml, 10 μ g/ml, 5 μ g/ml; The tetraconazole dilution is 80 μ g/ml, 40 μ g/ml, 20 μ g/ml, 10 μ g/ml, 5 μ g/ml, 1 μ g/ml; Five kinds of different proportionings of ZJ0712 and tetraconazole (ratio of effective ingredient is 10:1,5:1,1:1,1:5,1:10) dilution is 64 μ g/ml, 32 μ g/ml, 16 μ g/ml, 8 μ g/ml, 4 μ g/ml.
Select the consistent cucumber seedling of growth, each processing selects 5 basins for the examination cucumber seedling, spray under 50PSI pressure with the Pottor spray tower, and the about 20ml of every basin.After chemicals treatment, 24h connects bacterium, the sick leaf of the powdery mildew of cucumber of picking up from the field is evenly shaken off conidium inoculate on cucumber seedling, then cucumber seedling is put into the greenhouse and cultivates, and the morbidity grouping standard complete stool according to powdery mildew of cucumber after 7d is investigated disease index.
According to survey data, calculate each concentration for the treatment of to the mycelial growth inhibition rate for examination target bacterium by NY/T 1156.2-2006, unit is percentage (%).
Take the logarithm value of drug concentration (μ g/ml) as independent variable x, take the probit value of inhibiting rate as dependent variable y, set up respectively the virulence regression equation formula, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50The co-toxicity coefficient (CTC) of (95% confidence limit) and mixture.
According to the NY/T 1156.6-2006 bactericide synergy criteria for classifying: co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Table 1, ZJ0712 and tetraconazole and the different proportioning toxicity test result to the powdery mildew of cucumber bacterium.
Can find out from result of the test table 1, it is between 10:1～1:10 that ZJ0712 and tetraconazole are mixed at ratio of quality and the number of copies, and co-toxicity coefficient (CTC value) namely all shows obvious synergistic effect all greater than 120.ZJ0712 and tetraconazole are mixed and have reasonability and feasibility, are worth further land for growing field crops to be applied.
Below further illustrate with FORMULATION EXAMPLE.
FORMULATION EXAMPLE 1:5% ZJ0712 tetraconazole suspending agent.
ZJ0712 1%, tetraconazole 4, polycarboxylate 4%(dispersant), Nongru-700 #5%(emulsifier), lauryl sodium sulfate 2%(wetting agent), xanthans 2%(thickener), organosilicon 0.5%(defoamer), urea 1%(antifreeze), deionized water complements to 100%.
After above-mentioned raw materials was mixed in proportion, emulsification made 5% ZJ0712 tetraconazole suspending agent through high speed shear.
FORMULATION EXAMPLE 2:15% ZJ0712 tetraconazole suspending agent.
ZJ0712 5%, tetraconazole 10%, sodium lignin sulfonate 5%(dispersant), agriculture breast 1601#4%(emulsifier), lauryl sodium sulfate 2%(wetting agent), Magnesiumaluminumsilicate 1%(thickener), organosilicon 0.5%(defoamer), ethylene glycol 1%(antifreeze), deionized water complements to 100%.
After above-mentioned raw materials was mixed in proportion, emulsification made 15% ZJ0712 tetraconazole suspending agent through high speed shear.
FORMULATION EXAMPLE 3:20% ZJ0712 tetraconazole water dispersible granules.
ZJ0712 10%, tetraconazole 10%, sodium lignin sulfonate 7%(dispersant), polycarboxylic acid salt 5%(dispersant) and, lauryl sodium sulfate 2%(wetting agent), urea 20%(disintegrant) and, corn starch 5%(binding agent), filler kaolin to 100%.
Above-mentioned material is added in cone-type mixer together mix; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 325 mesh standard sieves; add and be kneaded into the plasticity material in kneader; at last this material is put into the Squeezinggranulator extruder grain, granulation namely makes 20% ZJ0712 tetraconazole water dispersible granules by dry, screening.
Field efficacy embodiment 1:The composite field control effectiveness test to powdery mildew of cucumber of ZJ0712 and tetraconazole.
Test site is in Guangdong Huizhou Boluo County.Test medicine and dosage see Table 2,4 residential quarters repetitions of every processing, 20 square metres of each residential quarter areas.Carry out dispenser for the first time at the powdery mildew of cucumber their early stage, be watered even spraying, process as blank with clear water.Carry out dispenser for the second time after 7 days.The incidence of 7 days investigation powderys mildew of cucumber after medicine before medicine for the first time and for the second time.5 samplings are adopted in every residential quarter, every some investigation two strains, and all blades are investigated in every strain, and the percentage that accounts for whole blade area with lesion area comes the classification record.Calculate and respectively process disease index and control efficiency.
Grade scale: 0 grade: without scab.1 grade: lesion area accounts for below 5% of whole leaf area.
3 grades: lesion area accounts for 6%～15% of whole leaf area.5 grades: lesion area accounts for 16%～25% of whole leaf area.7 grades: lesion area accounts for 26%～50% of whole leaf area.9 grades: lesion area accounts for more than 50% of whole leaf area.
According to survey data, calculate disease index and control efficiency that each is processed.Computing formula is:
Can find out from result of the test table 2: ZJ0712, tetraconazole single dose are respectively 75.5%, 68.2% to the preventive effect of powdery mildew of cucumber.ZJ0712 of the present invention and tetraconazole composition pesticide preventive effect are apparently higher than single dose, result of the test fully shows, ZJ0712 and tetraconazole are composite has obvious synergistic effect afterwards to powdery mildew of cucumber, can improve drug effect, reduce the using dosage of agricultural chemicals, reduce the medication number of times, reduce drug cost, reduce agricultural chemicals to the adverse effect of ecotope, be worth further promoting the use of.
The composite field control effectiveness test result to powdery mildew of cucumber of table 2, ZJ0712 and tetraconazole:
Claims (4)
1. composition pesticide that contains ZJ0712 and tetraconazole, it is characterized in that: effective ingredient is ZJ0712, tetraconazole, the parts by weight ratio of ZJ0712 and tetraconazole is 10:1～1:10.
2. a kind of composition pesticide that contains ZJ0712 and tetraconazole according to claim 1, it is characterized in that: the percentage by weight of weight summation in composition pesticide of ZJ0712 and tetraconazole is 5%～80%.
3. a kind of composition pesticide that contains ZJ0712 and tetraconazole according to claim 1, it is characterized in that: described composition pesticide is processed into suspending agent or water-dispersible granules.
4. a kind of composition pesticide that contains ZJ0712 and tetraconazole according to claim 1, is characterized in that preventing and treating wheat class, fruit tree, vegetables, flowers powdery mildew.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110318647 CN102388893B (en) | 2011-10-19 | 2011-10-19 | Pesticide composition containing ZJ0712 and tetraconazole |
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| CN102388893A CN102388893A (en) | 2012-03-28 |
| CN102388893B true CN102388893B (en) | 2013-05-08 |
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| CN106259374A (en) * | 2016-08-20 | 2017-01-04 | 田文华 | A kind of containing fluoxastrobin with the bactericidal composition of tetraconazole |
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| CN101637157A (en) * | 2008-07-30 | 2010-02-03 | 中国中化集团公司 | Fungicide composition |
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|---|---|---|---|---|
| CN101637157A (en) * | 2008-07-30 | 2010-02-03 | 中国中化集团公司 | Fungicide composition |
Non-Patent Citations (2)
| Title |
|---|
| 保护地蔬菜真菌病害化学防治进展;朱卫刚等;《现代农药》;20101010;第9卷(第5期);第16-20页 * |
| 朱卫刚等.保护地蔬菜真菌病害化学防治进展.《现代农药》.2010,第9卷(第5期),第16-20页. |
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