CN103210931A - Sterilizing composition containing isopyrazam and tridemorph - Google Patents
Sterilizing composition containing isopyrazam and tridemorph Download PDFInfo
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- CN103210931A CN103210931A CN2013101919610A CN201310191961A CN103210931A CN 103210931 A CN103210931 A CN 103210931A CN 2013101919610 A CN2013101919610 A CN 2013101919610A CN 201310191961 A CN201310191961 A CN 201310191961A CN 103210931 A CN103210931 A CN 103210931A
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- tridemorph
- bacterium amine
- pyrazoles naphthalene
- naphthalene bacterium
- powdery mildew
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Abstract
The invention discloses a sterilizing composition containing isopyrazam and tridemorph. The sterilizing composition is characterized in that the effective active components are isopyrazam and tridemorph, the weight ratio of which is (1:15)-(5:1), preferably (1:10)-(2:1). The sterilizing composition can be prepared into a missible oil, a microemulsion or a suspending agent. The sterilizing composition containing isopyrazam and tridemorph has the beneficial effects that the composition is reasonable, the sterilizing effect is good, the activity and sterilizing effect is not a simple summary of the activity of each component; and compared with the existing unitary formulation, in addition to remarkable sterilizing effect, the isopyrazam-containing sterilizing composition also has prominent synergism, is very safe to crops, conforms to the safety requirement of pesticide preparation, and has remarkable preventing and treating effect on crop powdery mildew.
Description
Technical field
The present invention relates to a kind of bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph, belong to technical field of compounded pesticide.
Background technology
Pyrazoles naphthalene bacterium amine, English common name isopyrazam, chemical name: 3-(methyl fluoride)-1-methyl-N-[1,2,3,4-tetrahydrochysene-9-isopropyl-1,4-methylene-5-yl]-pyrazole-4-carboxamide.Pyrazoles naphthalene bacterium amine is the mitochondrial respiratory inhibitor, and the growth of cause of disease spore-germination, germ tube and the formation of absorber are had stronger inhibitory action, fungi is had the effect that suppresses mycelial growth and sporulation.
Tridemorph, English common name Tridemorph, chemical name: 2,6-dimethyl-4-tridecyl morpholine.Tridemorph is a kind of broad spectrum activity systemic fungicide with protection and therapeutic action, can be absorbed by the root of plant, stem, leaf, and the plurality of plant diseases that basidiomycetes, sac fungi and imperfect fungus are caused is effective, mainly is the biosynthesis that suppresses the ergosterol of germ.
Powdery mildew is the important disease that generally takes place on the crops such as wheat, melon beans, strawberry, flowers, grape, apple, often cause very big loss, the control crop powdery mildew is used medicaments such as Tebuconazole, nitrile bacterium azoles, triazolone, Flusilazole, the phonetic phenol of second, kresoxim-methyl, thiophanate-methyl, carbendazim more at present, used for many years, germ produces resistance to these agricultural chemicals, and the triazole type medicament is to the dicotyledonous crops poor stability, and improper use often causes phytotoxicity accident.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, synergistic effect is remarkable, and bactericidal effect is good, and drug cost is low, to the agricultural bactericidal composition of crop safety.
Another object of the present invention is to provide the application of above-mentioned composition in the control crop powdery mildew.
In order to overcome the defective of existing unitary agent, technical scheme of the present invention is to solve like this:
A kind of bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph, its active component are pyrazoles naphthalene bacterium amine and tridemorph, and the weight ratio of pyrazoles naphthalene bacterium amine and tridemorph is 1:15～5:1, is preferably 1:10～2:1, most preferably is 1:5～1:1.
The content sum of pyrazoles naphthalene bacterium amine and tridemorph is 10%～80% of a composition total weight in the bactericidal composition of the present invention, is preferably 15%～75%.
Bactericidal composition formulation of the present invention is missible oil, microemulsion or suspending agent, can be used for preventing and treating crop powdery mildew, as wheat powdery mildew, powdery mildew of cucumber or powdery mildew of strawberry.
Octyl phenol polyoxy ethene (10) ether), agricultural newborn 1601#(common name the sorbitan monostearate APEO), the TX-10(common name sorbitan monostearate), emulsifier T-60(common name alkyl phenol formaldehyde resin polyoxyethylene ether), agricultural newborn 2201#, Span-60#(common name for missible oil, spendable auxiliary agent has: emulsifier such as calcium dodecyl benzene sulfonate (agricultural newborn 500#), Nongru-700 #(common name::::: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), among agricultural newborn 600#, the agricultural newborn 400# one or more; Solvent such as dimethylbenzene, solvent naphtha (S-150, S-180, S-200), toluene, biodiesel, methylated vegetable oil; Cosolvent: in ethyl acetate, ethanol, isopropyl alcohol, dimethyl formamide, cyclohexanone, acetone, the MEK one or more.
To microemulsion, spendable auxiliary agent has: the newborn 500# of emulsifier such as farming, Nongru-700 #, agricultural newborn 2201#, this dish-60#, Tween-60 #(common name: the sorbitan monostearate APEO), among the TX-10, farming breast 1601, agricultural newborn 600#, agricultural newborn 400# one or more; In assistant for emulsifying agent such as methyl alcohol, isopropyl alcohol, n-butanol, the ethanol one or more; Solvent such as cyclohexanone, N-Methyl pyrrolidone, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200) one or more.
To suspending agent, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), TERSPERSE 2020(U.S. Huntsman Corporation produce the alkyl naphthalene sulfonic acid salt) in one or more; Emulsifier such as Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), farming breast 2201, this dish-60#, Tween-60 #, agricultural newborn 1601#, TERSPERSE 4894(U.S. Huntsman Corporation produce) in one or more; Wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500(U.S. Huntsman Corporation produce) in one or more; In thickener such as xanthans, polyvinyl alcohol, bentonite, the aluminium-magnesium silicate one or more; In preservative such as formaldehyde, benzoic acid, the Sodium Benzoate one or more; In stabilizing agent such as epoxidized soybean oil, epoxychloropropane, the triphenyl phosphate one or more; Defoamer 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; Water is deionized water.
There is resistance risk after the listing of pyrazoles naphthalene bacterium amine, the tridemorph registration is used to prevent and treat the rubber red root disease, also do not have at present pyrazoles naphthalene bacterium amine and tridemorph to be mixed and prevent and treat the report of crop powdery mildew, the inventor finds by test, pyrazoles naphthalene bacterium amine and tridemorph that the mechanism of action is different are composite, have obvious synergistic effect, can significantly improve control efficiency, minimizing dosage to crop powdery mildew, reduce the control cost, to the crop safety height.
Component of the present invention is reasonable, and treatment adds protective effect, and bactericidal effect is good, and drug cost is low, and its active and bactericidal effect is not the simple superposition of each composition activity, but significant synergistic effect is arranged, and is good to crop safety, meets the security requirement of pesticidal preparations.The present invention has the better prevention effect to crop powdery mildew.
Embodiment
In order to prevent and treat the wheat powdery mildew of agricultural production, Shanggezhilu Biosciences Co., Ltd., Shaanxi has carried out mutual composite synergy research with pyrazoles naphthalene bacterium amine and tridemorph, and concrete grammar is:
Subjects is wheat powdery mildew (Erysiphe graminis).Former medicine is mixed with the test medicine that needs, and test method is with reference to " the agricultural industry criteria NY/T1156.4-2006 of People's Republic of China (PRC) agricultural chemicals indoor bioassay test rule bactericide the 4th part: control wheat powdery mildew test pot-culture method ".At first single agent and each Mixed Pharmacy are provided with 5 variable concentrations gradients (preventive effect is set by geometric progression) in 5%～90% scope.Select for use susceptible wheat breed potted plant, it is standby to treat that seedling grows to 2 leaves～3 leaf phases.The fresh spore of white powder germ that produces in the 24h on the morbidity wheat leaf blade is evenly shaken off to be inoculated on the potted plant wheat seedling of 2 leaf phase～3 leaf phases of processing.Every processing is no less than 3 basins, every basin 10 strains.After inoculating 24 h, medicament evenly is sprayed on the standby wheat seedling, puts then under the suitable condition and cultivate with spray-on process.When fully fall ill all blades of the every basin wheat seedling of " Invest, Then Investigate " of contrast wheat seedling, adopt following stage division:
0 grade: anosis;
1 grade: lesion area accounts for below 5% of one-piece blade area;
3 grades: lesion area accounts for 6%～15% of one-piece blade area;
5 grades: lesion area accounts for 16%～25% of one-piece blade area;
7 grades: lesion area accounts for 26%～50% of one-piece blade area;
9 grades: lesion area accounts for more than 50% of one-piece blade area.
Computational methods:
Disease index=[∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigation total leaf number * 9)] * 100
Control efficiency (%)=[(contrast disease index-processing disease index)/contrast disease index] * 100
The EC of each medicament is obtained in linear regression analysis between the probit value by preventive effect and the logarithm value of series concentration
50Value with the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun mixture, is estimated the activity of reagent agent to germ with this.
The co-toxicity coefficient of complex preparation (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
Toxicity Determination result shows: pyrazoles naphthalene bacterium amine and tridemorph are that 1:20～5:1 uses with wheat powdery mildew is had virulence preferably with the weight ratio, and synergistic effect is preferably all arranged, and are that 1:10～2:1 synergy is the most remarkable especially with the weight ratio.
In order to prevent and treat the powdery mildew of cucumber of agricultural production, Shanggezhilu Biosciences Co., Ltd., Shaanxi has carried out mutual composite synergy research with pyrazoles naphthalene bacterium amine and tridemorph, and concrete grammar is:
Subjects is powdery mildew of cucumber bacterium sphaerotheca fuliginea.Former medicine is mixed with the test medicine that needs, and test method is with reference to " the agricultural industry criteria NY/T1156.11-2008 of People's Republic of China (PRC) agricultural chemicals indoor bioassay test rule bactericide the 11st part: control cucurbits powdery mildew test pot-culture method ".At first single agent and each Mixed Pharmacy are provided with 5 variable concentrations gradients (preventive effect is set by geometric progression) in 5%～90% scope.With the pure water that is added with low quantity of surfactant (Tween 80), wash and get the fresh spore that covers with on the white powder germ cucumber leaves, filter with double gauze, make the suspension that spore concentration is 1 * 105 spore/milliliter, standby.Every processing 3 basins repeat for 4 times, and establish the processing that only contains solvent and surfactant and do not contain effective composition and make blank.With spore suspension 24 h inoculation before chemicals treatment, soup is evenly sprayed in the blade face to all wetting, treat behind the soup natural air drying standby.Potted plant cucumber natural air drying after inoculation and the chemicals treatment moves to thermostatic chamber then, cultivates 7 days～10 days under the condition of 20 ℃～24 ℃ of temperature.Treat that the sick leaf rate of blank reaches 80% when above, the classification investigation state of an illness condition of getting a haircut everywhere, 30 leaves are investigated in every processing at least, and grade scale is:
0 grade: anosis;
1 grade: lesion area accounts for below 5% of one-piece blade area;
3 grades: lesion area accounts for 6%～15% of one-piece blade area;
5 grades: lesion area accounts for 16%～25% of one-piece blade area;
7 grades: lesion area accounts for 26%～50% of one-piece blade area;
9 grades: lesion area accounts for 50%～75% of one-piece blade area;
11 grades: lesion area accounts for more than 75% of one-piece blade area.
Computational methods:
Disease index=[∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigation total leaf number * 11)] * 100
Control efficiency (%)=[(contrast disease index-processing disease index)/contrast disease index] * 100
The EC of each medicament is obtained in linear regression analysis between the probit value by preventive effect and the logarithm value of series concentration
50Value with the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun mixture, is estimated the activity of reagent agent to germ with this.
The co-toxicity coefficient of complex preparation (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
Toxicity Determination result shows: pyrazoles naphthalene bacterium amine and tridemorph are that 1:20～5:1 uses with the powdery mildew of cucumber bacterium is had virulence preferably with the weight ratio, and synergistic effect is preferably all arranged, and are that 1:10～2:1 synergy is the most remarkable especially with the weight ratio.
Below in conjunction with embodiment content of the present invention is described further.
Example of formulations 1
Take by weighing 5% pyrazoles naphthalene bacterium amine, 75% tridemorph, 3% agricultural newborn 500#, 2% agricultural newborn 600#, 2% agricultural newborn 2201#, 2% isopropyl alcohol, cyclohexanone and add to 100% weight portion.Above-mentioned raw materials makes 80% pyrazoles naphthalene bacterium amine tridemorph missible oil after mix, stirring and dissolving is complete.
Example of formulations 2
Take by weighing 8% pyrazoles naphthalene bacterium amine, 40% tridemorph, 5% agricultural newborn 500#, 2% agricultural newborn 400#, 3% Nongru-700 #, 5% ethanol, dimethylbenzene adds to 100% weight portion.Above-mentioned raw materials makes 48% pyrazoles naphthalene bacterium amine tridemorph missible oil after mix, stirring and dissolving is complete.
Example of formulations 3
Take by weighing 10% pyrazoles naphthalene bacterium amine, 10% tridemorph, 3%TX-10,4% Nongru-700 #, 3% agricultural newborn 500#, 6% agricultural newborn 1601#, 20% cyclohexanone, 3% n-butanol, through dissolving fully and mixing, deionized water adds to 100% weight portion, makes 20% pyrazoles naphthalene bacterium amine tridemorph microemulsion after the stirring.
Example of formulations 4
Take by weighing 3% pyrazoles naphthalene bacterium amine, 7% tridemorph, 5% Nongru-700 #, 3% agricultural newborn 500#, 6% agricultural newborn 600#, 10% dimethylbenzene, 13% cyclohexanone, 5% ethanol, through dissolving fully and mixing, deionized water adds to 100% weight portion, makes 10% pyrazoles naphthalene bacterium amine tridemorph microemulsion after the stirring
Example of formulations 5
Take by weighing 10% pyrazoles naphthalene bacterium amine, 20% tridemorph, 4%TERSPERSE 4894,1.5%TERSPERSE 2500,2%TERSPERSE 2020,1% aluminium-magnesium silicate, 0.2% xanthans, 5% ethylene glycol, 0.5% formaldehyde, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces), 2% triphenyl phosphate, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 30% pyrazoles naphthalene bacterium amine tridemorph suspending agent behind the sand mill sand milling.
Example of formulations 6
Take by weighing 20% pyrazoles naphthalene bacterium amine, 4% tridemorph, 2%TERSPERSE 2020,2% this dish-60#, 2% Tween-60 #, 1%TERSPERSE 2500,0.5% white carbon, 0.3% xanthans, 5% ethylene glycol, 0.5% benzoic acid, 0.5% silicone defoaming agent, 1% epoxychloropropane, deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with making 24% pyrazoles naphthalene bacterium amine tridemorph suspending agent behind the sand mill sand milling.
Biological Examples: control powdery mildew of strawberry field trial
Carried out example of formulations 5(30% pyrazoles naphthalene bacterium amine tridemorph suspending agent in 2012 in the Zhouzhi County, Shaanxi Province) control powdery mildew of strawberry field trial, verify that this medicament is to the control efficiency of powdery mildew of strawberry, effective dose and to the safety of strawberry.Test method is with reference to " GB/T 17980.119-2004 pesticide field efficacy medicine test criterion (two) the bactericidal agent for preventing and treating powdery mildew of strawberry test of pesticide effectiveness ".Trial crops is a strawberry, and controlling object is powdery mildew (Sphaerotheca macularis).Carry out in the greenhouse strawberry base of planting more than 3 years continuously.Test medicine and dosage are for seeing table 3 for details.Other establishes blank, and every processing 4 times repeats, every sub-district 20 ㎡, and totally 24 sub-districts, district's group is arranged at random.Adopt conventional spray-on process, mu dispenser liquid 45kg evenly sprays complete stool.The 1st dispenser is at strawberry seedling powdery mildew their early stage, and medication for the second time after 7 days is total to dispenser 2 times.
Investigation and statistical method:
For the first time 7 days and 7 days investigation blade incidences behind the medicine for the second time behind the medicine.5 samplings of every sub-district diagonal, every some investigation 3 strains.Whole blades are investigated in every strain.
Stage division:
0 grade: no 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.
Refer to calculate preventive effect according to disease.To the situation that influences of strawberry growth, leaf look etc., the examination medicament is to the safety of strawberry plant after visual observations dispenser behind each medicine.
Disease index=[∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigation total leaf number * 9)] * 100
Control efficiency (%)=[(contrast disease index-processing disease index)/contrast disease index] * 100.
Field test results shows: 30% pyrazoles naphthalene bacterium amine tridemorph suspending agent has good control efficiency to powdery mildew of strawberry, press 50g/667 ㎡, 40g/667 ㎡, 30g/667 ㎡ consumption, to powdery mildew of strawberry for the first time behind the medicine 7 days preventive effect be 84.57%, 81.25%, 77.30%, 7 days preventive effect is 90.76%, 85.32%, 81.87% behind the medicine for the second time, obviously is better than the preventive effect of 30% pyrazoles naphthalene bacterium amine suspending agent 30g/667 ㎡, 75% tridemorph missible oil 30g/667 ㎡.
Under this experimental condition, the visual observations reagent agent is to the safety of strawberry, and the result shows that these several medicaments all do not have poisoning to strawberry blade, petiole and flowers and fruits and produce, performance safety.
Result of the test has obviously improved the control efficiency to powdery mildew of strawberry after showing that pyrazoles naphthalene bacterium amine and tridemorph are mixed, and has reduced dosage, to strawberry growth safety, is the desirable medicament of control powdery mildew of strawberry.The inventor has further carried out the control experimental study of wheat powdery mildew and powdery mildew of cucumber, draws and prevent and treat the similar conclusion of strawberry white powder.
In sum, composition of the present invention is to adopt two kinds of active component compound schemes, its activity and bactericidal effect are not the simple superposition of each composition activity, compare with existing unitary agent, except that having significant bactericidal effect, and significant synergistic effect is arranged, and good to doing safety, meet the security requirement of pesticidal preparations.
Claims (8)
1. a bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph is characterized in that active component is pyrazoles naphthalene bacterium amine and tridemorph, and the weight ratio of pyrazoles naphthalene bacterium amine and tridemorph is 1:15～5:1.
2. according to the described bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph of claim 1, it is characterized in that: the weight ratio of pyrazoles naphthalene bacterium amine and tridemorph is 1:10～2:1.
3. according to the described bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph of claim 2, it is characterized in that: the weight ratio of pyrazoles naphthalene bacterium amine and tridemorph is 1:5～1:1.
4. according to the described bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph of claim 1, it is characterized in that: the content sum of pyrazoles naphthalene bacterium amine and tridemorph is 10%～80% of a described composition total weight.
5. according to the described bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph of claim 4, it is characterized in that: the content sum of pyrazoles naphthalene bacterium amine and tridemorph is 15%～75% of a described composition total weight.
6. according to the described bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph of claim 1, it is characterized in that: described combination dosage form is missible oil, microemulsion or suspending agent.
7. the purposes of the described bactericidal composition that contains pyrazoles naphthalene bacterium amine and tridemorph of claim 1 in the control crop powdery mildew.
8. according to the described purposes of claim 7, crop powdery mildew is wheat powdery mildew, powdery mildew of cucumber or powdery mildew of strawberry.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109380244A (en) * | 2017-08-07 | 2019-02-26 | 江苏龙灯化学有限公司 | A kind of bactericidal composition |
| CN114478543A (en) * | 2022-03-08 | 2022-05-13 | 海利尔药业集团股份有限公司 | Pyrazole amide compound containing piperazine structure or salt and composition thereof acceptable as pesticide and application of pyrazole amide compound |
| CN114478543B (en) * | 2022-03-08 | 2024-04-16 | 海利尔药业集团股份有限公司 | Pyrazole amide compound containing piperazine structure or salt and composition acceptable by pesticide and application of pyrazole amide compound |
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| CN101611712A (en) * | 2004-10-08 | 2009-12-30 | 辛根塔参与股份公司 | Fungicidal compositions |
| WO2010103065A1 (en) * | 2009-03-11 | 2010-09-16 | Basf Se | Fungicidal compositions and their use |
| EP2409570A2 (en) * | 2010-06-29 | 2012-01-25 | Basf Se | Fungicidal mixtures based on pyrazolopyridine compounds |
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| CN101611712A (en) * | 2004-10-08 | 2009-12-30 | 辛根塔参与股份公司 | Fungicidal compositions |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109380244A (en) * | 2017-08-07 | 2019-02-26 | 江苏龙灯化学有限公司 | A kind of bactericidal composition |
| CN114478543A (en) * | 2022-03-08 | 2022-05-13 | 海利尔药业集团股份有限公司 | Pyrazole amide compound containing piperazine structure or salt and composition thereof acceptable as pesticide and application of pyrazole amide compound |
| CN114478543B (en) * | 2022-03-08 | 2024-04-16 | 海利尔药业集团股份有限公司 | Pyrazole amide compound containing piperazine structure or salt and composition acceptable by pesticide and application of pyrazole amide compound |
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Application publication date: 20130724 |