CN105340897A - Bactericidal composition containing penthiopyrad and meptyldinocap - Google Patents
Bactericidal composition containing penthiopyrad and meptyldinocap Download PDFInfo
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- CN105340897A CN105340897A CN201510809329.7A CN201510809329A CN105340897A CN 105340897 A CN105340897 A CN 105340897A CN 201510809329 A CN201510809329 A CN 201510809329A CN 105340897 A CN105340897 A CN 105340897A
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- bacterium ester
- pyrrole metsulfovax
- nitre benzene
- benzene bacterium
- bactericidal composition
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Abstract
The invention discloses a bactericidal composition containing penthiopyrad and meptyldinocap. Active components of the bactericidal composition are penthiopyrad and meptyldinocap. Weight ratio of penthiopyrad to meptyldinocap is 1:10-10:1. Total weight of penthiopyrad and meptyldinocap in the composition is 1-70 wt%. The bactericidal composition can be made into any one dosage form selected from emulsion in water, microemulsion, suspending agent, wettable powder and water dispersible granule. The bactericidal composition is used for controlling powdery mildew of melons, grape and strawberry. According to the invention, dosage of pesticide is reduced, frequency of drug administration is minimized, and medication cost is decreased. The bactericidal composition of the invention is safe to crops.
Description
Technical field
The present invention relates to a kind of bactericidal composition containing pyrrole metsulfovax and nitre benzene bacterium ester, is with pyrrole metsulfovax and nitre benzene bacterium ester for active ingredient, for preventing and treating melon, grape and powdery mildew of strawberry.
Background technology
The resistance problem of agricultural disease is a global problem, is the emphasis problem that agricultural science and technology worker pays close attention to always.Along with the continuity year in year out of disease chemical control, the increase of Pesticide use amount and not scientifical use agricultural chemicals, germ resistance is day by day serious, and the germ kind producing resistance is on the increase.Meanwhile, the use agricultural chemicals of high strength, causes Practice for Pesticide Residue in Agricultural Products to exceed standard, environmental pollution and the increase of peasant's drug cost etc., is unfavorable for agricultural sustainable development.Therefore, the bactericide agricultural chemicals of efficient, the low toxicity of research and development, environmental protection has positive effect to agricultural sustainable development.
Pyrrole metsulfovax, English name: penthiopyrad, it is acid amide fungicides, there is interior suction and osmosis, mainly through suppressing mitochondrial succinate acid esters dehydrase, hindering tricarbonic acid cycle, making amino acid, sugar lacks, energy reduces, the division of interference cell and growth, have protection and therapeutic action; Efficient to the powdery mildew of the crop such as melon, tomato, grape, strawberry, gray mold.
Nitre benzene bacterium ester, English name: meptyldinocap is methoxy acrylic bactericide, mitochondrial respiratory inhibitor, namely passes through at cytochrome b and C
1between electro transfer suppress mitochondrial breathing; Nitre benzene bacterium ester is as to the crop powdery mildew special efficacy such as melon, strawberry, grape, and have very strong protection, treatment and eradicant action, nitre benzene bacterium ester is very high in flowering phase of crop safety in utilization.
The mixture of different pesticide species is the common methods of control agricultural pest.Being screened by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the drug-fast generation of damage by disease and insect, is the important means that agricultural synthesis is administered.The recipe determination of the present inventor to pyrrole metsulfovax and nitre benzene bacterium ester conducts in-depth research, and finds that pyrrole metsulfovax and nitre benzene bacterium ester carry out mixture and have obvious synergistic effect in certain mixed ratio scope to multiple fungi, after further study, completes the present invention.
The mixture combination of pyrrole metsulfovax and nitre benzene bacterium ester and application there is no report at present.
Summary of the invention
The object that the present invention solves be to provide a kind of efficient, low toxicity and the lasting period long, effectively can prevent and treat a kind of bactericidal composition containing pyrrole metsulfovax and nitre benzene bacterium ester of agricultural fungal evil.
The present inventor, by the test of a large amount of indoor bioassay and field medicine effect test, finds that pyrrole metsulfovax and nitre benzene bacterium ester are with after certain part by weight mixture, have significant synergistic effect to the powdery mildew of melon, grape, strawberry.
On the basis of above-mentioned discovery, after further study, define technical scheme of the present invention, that is: a kind of bactericidal composition containing pyrrole metsulfovax and nitre benzene bacterium ester, active ingredient is pyrrole metsulfovax and nitre benzene bacterium ester, pyrrole metsulfovax and nitre benzene bacterium ester ratio of weight and number are in the composition 1:10 ~ 10:1, and pyrrole metsulfovax and nitre benzene bacterium ester weight summation in the composition percentage by weight are 1% ~ 70%, and all the other are the pesticidal preparations auxiliary element that agriculturally can accept and allow to use.
Bactericidal composition of the present invention according to well known to a person skilled in the art method, can be processed into the application forms of the applicable agricultural uses such as aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules.
Bactericidal composition of the present invention is also containing the auxiliary element of preparation needed for 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 conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
Bactericidal composition of the present invention, for preventing and treating the powdery mildew of melon, grape, strawberry, should before disease occurs or initial stage of origination use during dispenser.
Bactericidal composition provided by the invention, usually adopts spray method to use, also can adopt other operation techniques agriculturally applied as required.
A kind of bactericidal composition containing pyrrole metsulfovax and nitre benzene bacterium ester provided by the invention has following beneficial effect:
1, bactericidal composition provided by the invention, obvious synergy or summation action is shown in certain ratio range, the control efficiency of composition to germ is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2, bactericidal composition provided by the invention, the combination of two kinds of active ingredients, expands fungicidal spectrum, and a drug can solve multiple diseases problem, compensate for defect when single dose uses and limitation.
3, bactericidal composition provided by the invention, two kinds of active ingredient mechanism of action are not quite identical, can overcome the shortcoming that long-term single use easily produces resistance, extend the service life of medicament, to the comprehensive regulation important in inhibiting of germ resistance.
4, bactericidal composition provided by the invention, drug effect plays rapidly, and the lasting period is long, and use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these embodiments.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Content described in embodiment is all weight percentage.
Embodiment 1:20% pyrrole metsulfovax nitre benzene bacterium ester suspending agent.
Concrete operation step is: first mixed by other auxiliary agent, and in clipper, shear-mixed is even, then adds pyrrole metsulfovax and nitre benzene bacterium ester, grinds 2-3h, make a diameter all at below 5mm in ball crusher, can obtain 20% pyrrole metsulfovax nitre benzene bacterium ester suspending agent.
Embodiment 2:22% pyrrole metsulfovax nitre benzene bacterium ester aqueous emulsion.
Concrete operation step is: first pyrrole metsulfovax and nitre benzene bacterium ester, methyl naphthalene, Sorbitan fatty acid ester are mixed, and dissolves and becomes uniform oil phase.Again part water and other auxiliary agents are mixed, dissolve and become uniform aqueous phase.Then oil phase is added aqueous phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, 22% pyrrole metsulfovax nitre benzene bacterium ester aqueous emulsion can be obtained.
Embodiment 3:24% pyrrole metsulfovax nitre benzene bacterium ester microemulsion.
Concrete operation step is: first pyrrole metsulfovax and nitre benzene bacterium ester methyl oleate are dissolved completely, and then add other auxiliary agent, mix, finally add water, after fully stirring, can obtain 24% pyrrole metsulfovax nitre benzene bacterium ester microemulsion.
Embodiment 4:20% pyrrole metsulfovax nitre benzene bacterium ester wetting powder.
Concrete operation step is: pyrrole metsulfovax and nitre benzene bacterium ester, other auxiliary agent are fully stirred in stirred tank, mixes, can obtain 20% pyrrole metsulfovax nitre benzene bacterium ester wetting powder after airslide disintegrating mill is pulverized.
Embodiment 5:40% pyrrole metsulfovax nitre benzene bacterium ester water dispersible granules.
Concrete operation step is: pyrrole metsulfovax and nitre benzene bacterium ester, other auxiliary agent will be had to mix, pulverize with micro jet, add after mediating after carrying out granulation, drying, screening in fluidized-bed granulation dryer, 40% pyrrole metsulfovax nitre benzene bacterium ester water dispersible granules can be obtained.
Embodiment 6:30% pyrrole metsulfovax nitre benzene bacterium ester suspending agent.
Concrete operation step is: first mixed by other auxiliary agent, and in clipper, shear-mixed is even, then adds pyrrole metsulfovax and nitre benzene bacterium ester, grinds 2-3h, make a diameter all at below 5mm in ball crusher, can obtain 30% pyrrole metsulfovax nitre benzene bacterium ester suspending agent.
Embodiment 7:22% pyrrole metsulfovax nitre benzene bacterium ester microemulsion.
Concrete operation step is: first pyrrole metsulfovax and nitre benzene bacterium ester fatty acid methyl ester are dissolved completely, and then add other auxiliary agent, mix, finally add water, after fully stirring, can obtain 22% pyrrole metsulfovax nitre benzene bacterium ester microemulsion.
Embodiment 8: indoor bioassay is tested.
Test adopts spray-on process dispenser (having water membrane to be advisable with blade surface), and chemical sprayer tool adopts manual sprayer (liquid capacity is about 20L), spray medicine 1 time.Often process selects uniform plant 20 blades of falling ill as efficacy of medicine observing object, and each process repeats for 3 times.
Investigation method
0 grade: without scab
1 grade: lesion area accounts for less than 5% of whole leaf area;
3 grades: lesion area accounts for the 6%-15% of whole leaf area;
5 grades: lesion area accounts for the 16%-25% of whole leaf area;
7 grades: lesion area accounts for the 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 the control efficiency of each process.
Disease index presses formulae discovery, and result of calculation retains 2 significant digits:
When carrying out drug combination toxicity test, this test adopts Wadley method to calculate the coefficient of synergism (SR) of mixture, evaluates the synergy type of mixture.
Wadley method: the synergistic effect evaluating pharmacy mix according to coefficient of synergism (SR), namely SR<0.5 is antagonism, and 0.5≤SR≤1.5 are summation action, and SR>1.5 is synergistic function.Coefficient of synergism (SR) calculates by formula (1), (2):
In formula:
X1--mixture EC
50theoretical value, unit is milligrams per liter (mg/L);
P
a--the percentage composition of A in mixture, unit is percentage (%);
P
b--the percentage composition of B in mixture, unit is percentage (%);
The EC of A in A--mixture
50value, unit is milligrams per liter (mg/L);
The EC of B in B--mixture
50value, unit is milligrams per liter (mg/L).
In formula:
The coefficient of synergism of SR--mixture;
The EC of X1--mixture
50theoretical value, unit is milligrams per liter (mg/L);
The EC of X2--mixture
50measured value, unit is milligrams per liter (mg/L).
Table 1, pyrrole metsulfovax and nitre benzene bacterium ester are to the joint toxicity measuring result of balsam pear powdery mildew germ
As can be seen from Table 1, it is 1.25,1.32,1.18,1.28,1.20,1.14 and 1.09 that pyrrole metsulfovax and nitre benzene bacterium ester combine balsam pear powdery mildew germ SR value with 10:1,5:1,3:1,1:1,1:3,1:5,1:10 respectively, illustrates that pyrrole metsulfovax and the combination of nitre benzene bacterium ester have synergistic effect to cucurbits powdery mildew germ.
Table 2, pyrrole metsulfovax and nitre benzene bacterium ester are to the joint toxicity measuring result of grape powdery mildew germ
As can be seen from Table 2, it is 1.22,1.15,1.25,1.30,1.29,1.17 and 1.12 that pyrrole metsulfovax and nitre benzene bacterium ester combine grape powdery mildew germ SR value with 10:1,5:1,3:1,1:1,1:3,1:5,1:10 respectively, illustrates that pyrrole metsulfovax and the combination of nitre benzene bacterium ester have synergistic effect to grape powdery mildew germ.
Table 3, pyrrole metsulfovax and nitre benzene bacterium ester are to the joint toxicity measuring result of powdery mildew of strawberry germ
As can be seen from Table 3, it is 1.08,1.15,1.22,1.29,1.31,1.15 and 1.10 that pyrrole metsulfovax and nitre benzene bacterium ester combine powdery mildew of strawberry germ SR value with 10:1,5:1,3:1,1:1,1:3,1:5,1:10 respectively, illustrates that pyrrole metsulfovax and the combination of nitre benzene bacterium ester have synergistic effect to powdery mildew of strawberry germ.
Embodiment 9: prevent and treat powdery mildew of cucumber field trial.
Test site is positioned at Ma An town, Huizhou, adopts spray-on process.Adopt 10% pyrrole metsulfovax suspending agent, 36% nitre benzene bacterium emulsifiable concentrate medicament in contrast, 9 chemicals treatment are established in test altogether, each process repeats for 4 times, cucumber diseased plant number is investigated before dispenser, within after dispenser 3 days, 7 days, respectively investigate a control efficiency, record diseased plant number, calculate control efficiency, result of the test is as shown in table 4.
The combination of table 4, pyrrole metsulfovax and nitre benzene bacterium ester prevents and treats powdery mildew of cucumber result of the test
As can be seen from Table 4, the effect that bactericidal composition of the present invention prevents and treats powdery mildew of cucumber is better than the process of each contrast single dose, pyrrole metsulfovax is described and nitre benzene bacterium ester is composite can improve control efficiency, reduces the using dosage of agricultural chemicals, decrease the impact of agricultural chemicals on environment, reduce drug cost.
Embodiment 10: control grape powdery mildew field trial.
Test site is positioned at Huarong County, Hunan Yueyang, adopts spray-on process.Adopt 10% pyrrole metsulfovax suspending agent, 36% nitre benzene bacterium emulsifiable concentrate medicament in contrast, 9 chemicals treatment are established in test altogether, each process repeats for 4 times, grape diseased plant number is investigated before dispenser, within after dispenser 3 days, 7 days, respectively investigate a control efficiency, record diseased plant number, calculate control efficiency, result of the test is as shown in table 5.
Table 5, pyrrole metsulfovax and nitre benzene bacterium ester combination control grape powdery mildew result of the test
As can be seen from Table 5, the effect of bactericidal composition of the present invention control grape powdery mildew is better than the process of each contrast single dose, pyrrole metsulfovax is described and nitre benzene bacterium ester is composite can improve control efficiency, reduces the using dosage of agricultural chemicals, decrease the impact of agricultural chemicals on environment, reduce drug cost.
Embodiment 11: control powdery mildew of strawberry field trial.
Test site is positioned at Huicheng District, Huizhou Lengshuikeng, adopts spray-on process.Adopt 10% pyrrole metsulfovax suspending agent, 36% nitre benzene bacterium emulsifiable concentrate medicament in contrast, 9 chemicals treatment are established in test altogether, each process repeats for 4 times, strawberry diseased plant number is investigated before dispenser, within after dispenser 3 days, 7 days, respectively investigate a control efficiency, record diseased plant number, calculate control efficiency, result of the test is as shown in table 6.
Table 6, pyrrole metsulfovax and nitre benzene bacterium ester combination control powdery mildew of strawberry result of the test
As can be seen from Table 6, the effect of bactericidal composition of the present invention control powdery mildew of strawberry is better than the process of each contrast single dose, pyrrole metsulfovax is described and nitre benzene bacterium ester is composite can improve control efficiency, reduces the using dosage of agricultural chemicals, decrease the impact of agricultural chemicals on environment, reduce drug cost.
Claims (3)
1. one kind contains the bactericidal composition of pyrrole metsulfovax and nitre benzene bacterium ester, it is characterized in that: active ingredient is pyrrole metsulfovax and nitre benzene bacterium ester, pyrrole metsulfovax and nitre benzene bacterium ester ratio of weight and number are in the composition 1:10 ~ 10:1, and pyrrole metsulfovax and nitre benzene bacterium ester weight summation in the composition percentage by weight are 1% ~ 70%.
2. a kind of bactericidal composition containing pyrrole metsulfovax and nitre benzene bacterium ester according to claim 1, is characterized in that: described bactericidal composition processing can become aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules.
3. the application in the powdery mildew of a kind of bactericidal composition containing pyrrole metsulfovax and nitre benzene bacterium ester according to claim 1, grape melon in control, strawberry.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857539A (en) * | 2017-03-13 | 2017-06-20 | 深圳诺普信农化股份有限公司 | A kind of bactericidal composition containing biphenyl pyrrole bacterium amine and its application |
| CN114271288A (en) * | 2022-01-05 | 2022-04-05 | 安徽丰乐农化有限责任公司 | Granular pesticide fertilizer containing meptyldinocap and matrine and application thereof |
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2015
- 2015-11-19 CN CN201510809329.7A patent/CN105340897A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857539A (en) * | 2017-03-13 | 2017-06-20 | 深圳诺普信农化股份有限公司 | A kind of bactericidal composition containing biphenyl pyrrole bacterium amine and its application |
| CN114271288A (en) * | 2022-01-05 | 2022-04-05 | 安徽丰乐农化有限责任公司 | Granular pesticide fertilizer containing meptyldinocap and matrine and application thereof |
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Application publication date: 20160224 |