CN104472490A - Bactericidal composition containing picoxystrobin and bromothalonil - Google Patents
Bactericidal composition containing picoxystrobin and bromothalonil Download PDFInfo
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- CN104472490A CN104472490A CN201410724652.XA CN201410724652A CN104472490A CN 104472490 A CN104472490 A CN 104472490A CN 201410724652 A CN201410724652 A CN 201410724652A CN 104472490 A CN104472490 A CN 104472490A
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Abstract
The invention relates to a bactericidal composition containing picoxystrobin and bromothalonil. The mass part ratio of picoxystrobin to bromothalonil is 5:1 to 1:5. The bactericidal composition is suitable for preventing and controlling watermelon-anthracnose and macrophoma musae, and has an obvious synergistic effect, a popularization and application range, and great economic benefit and social benefit; and moreover, the pesticide using amount is reduced.
Description
Technical field
The field of pesticide preparation that the present invention relates to, specifically a kind of bactericidal composition containing ZEN 90160 and bromothalonil, for preventing and treating watermelon anthrax, banana freckle.
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.
ZEN 90160 is controlling object wide spectrum, systemic fungicide, is mainly used in control wheat class foliage disease as leaf blight, leaf rust, glume blight, brown spot, powdery mildew, melon disease as anthracnose, blight dis-ease, sigatoka, scab etc.
Bromothalonil is a kind of wide-spectrum bactericide, has treatment and eradicant action preferably, to anthracnose germ special efficacy to various bacteria, fungal disease.
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 ZEN 90160 and bromothalonil conducts in-depth research, find that ZEN 90160 and bromothalonil carry out mixture and have obvious synergistic effect in certain mixed ratio scope to watermelon anthrax, banana freckle, after further study, the present invention is completed.
Composition and the application of ZEN 90160 and bromothalonil there is no report at present.
Summary of the invention
The object of the invention is ZEN 90160 different for the mechanism of action and bromothalonil to carry out composite, providing a kind of agricultural bactericidal composition of efficient, low toxicity, low-residual, for preventing and treating watermelon anthrax, banana freckle.
For solving the problem, the technical solution adopted in the present invention is: a kind of bactericidal composition containing ZEN 90160 and bromothalonil, with ZEN 90160 and bromothalonil for active ingredient, the ratio of quality and the number of copies of ZEN 90160 and bromothalonil is 5:1 ~ 1:5, ZEN 90160 and bromothalonil weight summation in the composition percentage by weight are 5% ~ 91%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
The auxiliary element used in bactericidal composition of the present invention comprises wetting agent, stabilizing agent, dispersant, disintegrant, thickener, pH adjusting agent, defoamer, antifreezing agent, filler etc., be all auxiliary agent conventional in Pesticide formulation, concrete composition and consumption are determined by test according to recipe requirements.
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 that the applicable agricultural productions such as suspending agent, wetting powder, water dispersible granules use.
Bactericidal composition provided by the invention, usually adopts and is watered spray method use, also can adopt other operation techniques agriculturally applied as required.
Product described in the invention can the form of finished product preparation provide, and namely in composition, each material mixes, and the composition of composition also can the form of single dose provide, and directly mixes in tank or bucket, be then diluted to required concentration before using.The frequency of administration of the present composition and amount of application change with weather condition and crop condition change, can by the object using suitable formulation to reach control.
Beneficial effect of the present invention is:
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 effective 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 effective 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.
Preparation method embodiment 1:30% ZEN 90160 bromothalonil wetting powder.
Mix entering in blender after above-mentioned material in proportion coarse crushing, more namely obtain 30% ZEN 90160 bromothalonil wetting powder after air-flow crushing.
Preparation method embodiment 2:20% ZEN 90160 bromothalonil water dispersible granule.
By above-mentioned formula, 20% ZEN 90160 bromothalonil water dispersible granule is made and is obtained in dry pulverization process, granulation, drying, screening in proportion.
Preparation method embodiment 3:20% ZEN 90160 bromothalonil suspending agent.
Above-mentioned material is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 20% ZEN 90160 bromothalonil suspending agent of allotment after high shear mixing.
Assays Example 1: indoor bioassay is tested.
Survey standard method NY/T1156.2-2006 with reference to raw, adopt pastille medium therapy: the liquid 6mL getting each single dose and mixture series concentration, adds in the PDA medium of the 54mL being cooled to 45 DEG C, makes the pastille culture medium flat plate of required final concentration.Then produce 6mm diameter mycelia block from the cultivation object bacteria colony edge of 7 days, move on each serial pastille medium, mycelia faces down, and each process repeats for 4 times.Be disposed, the constant temperature biochemical cultivation case being placed in 25 ± 1 DEG C is cultivated.
Take out culture medium flat plate after 3 days, measure each process colony diameter by right-angled intersection method, calculate the mycelial growth inhibition rate of each process.Be independent variable x according to the logarithm value of drug concentration (mg/L), with the probit value of corrected mortality for dependent variable y, set up virulence regression equation formula respectively, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50and mixture co-toxicity coefficient.Co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.Actual measurement toxicity index (ATI)=(standard agent EC
50/ reagent agent EC
50) × 100.Theoretical toxicity index (the TTI)=percentage composition of A (in the toxicity index × mixture of the A)+percentage composition of B (in the toxicity index × mixture of B).Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100
Table 1, ZEN 90160 and bromothalonil are to the indoor joint toxicity measuring result of watermelon anthrax bacteria
As can be seen from Table 1, it is 126.92,145.31,143.11,141.88,143.93 that ZEN 90160 and bromothalonil combine watermelon anthrax germ CTC value with 5:1,3:1,1:1,1:3,1:5 respectively, illustrates that ZEN 90160 and bromothalonil combination have synergistic effect to watermelon anthrax germ.
Table 2, ZEN 90160 and bromothalonil are to the indoor joint toxicity measuring result of banana freckle germ
As can be seen from Table 2, it is 161.07,154.71,140.86,139.21,124.60 that ZEN 90160 and bromothalonil combine banana freckle germ CTC value with 5:1,3:1,1:1,1:3,1:5 respectively, illustrates that ZEN 90160 and bromothalonil combination have synergistic effect.
Assays Example 2: control watermelon anthrax field trial.
Test site is positioned at Guangxi province Nanning City Wuming County, adopts spray-on process.Adopt 22.5% ZEN 90160 suspending agent, 25% bromothalonil missible oil medicament in contrast, 5 chemicals treatment are established in test altogether, each process repeats for 4 times, the sick number of sheets of watermelon is investigated before dispenser, within after dispenser 3 days, 7 days, respectively investigate a control efficiency, record the disease number of sheets, calculate control efficiency, result of the test is as shown in table 3.
Table 3, ZEN 90160 and bromothalonil combination control watermelon anthrax result of the test
Assays Example 3: control banana freckle field trial.
Test site is positioned at Guangxi province Nanning City Wuming County, adopts spray-on process.Adopt 22.5% ZEN 90160 suspending agent, 25% bromothalonil missible oil medicament in contrast, 5 chemicals treatment are established in test altogether, each process repeats for 4 times, the banana disease number of sheets is investigated before dispenser, within after dispenser 3 days, 7 days, respectively investigate a control efficiency, record the disease number of sheets, calculate control efficiency, result of the test is as shown in table 3.
Table 4, ZEN 90160 and bromothalonil combination control banana freckle result of the test
As can be seen from Table 3, the effect of 30% ZEN 90160 bromothalonil wetting powder, 20% ZEN 90160 bromothalonil water dispersible granule, 20% ZEN 90160 bromothalonil suspending agent control banana freckle is better than the process of each contrast single dose.
Bactericidal composition of the present invention can improve control efficiency, reduces the using dosage of agricultural chemicals, decreases the impact of agricultural chemicals on environment, reduces drug cost.
Claims (3)
1. one kind contains the bactericidal composition of ZEN 90160 and bromothalonil, it is characterized in that: active ingredient is made up of ZEN 90160 and bromothalonil, the ratio of quality and the number of copies of ZEN 90160 and bromothalonil is 5:1 ~ 1:5, and ZEN 90160 and bromothalonil weight summation in the composition percentage by weight are 5% ~ 91%.
2. a kind of bactericidal composition containing ZEN 90160 and bromothalonil according to claim 1, makes the one in suspending agent, wetting powder, water dispersible granules when it is characterized in that practical application.
3. a kind of bactericidal composition containing ZEN 90160 and bromothalonil according to claim 1 and 2 is characterized in that preventing and treating the application in watermelon anthrax, banana freckle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853331A (en) * | 2017-12-18 | 2018-03-30 | 广西南宁乐蕊生物科技有限责任公司 | bactericidal composition containing bromothalonil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030749A (en) * | 1987-02-09 | 1989-02-01 | 帝国化学工业公司 | The method for preparing Fungicidal compounds |
| CN101690490A (en) * | 2009-10-14 | 2010-04-07 | 成都皇牌作物科学有限公司 | Bactericidal composition compounded by bromothalonil and methoxy acrylic acid esters |
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2014
- 2014-12-03 CN CN201410724652.XA patent/CN104472490B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030749A (en) * | 1987-02-09 | 1989-02-01 | 帝国化学工业公司 | The method for preparing Fungicidal compounds |
| CN101690490A (en) * | 2009-10-14 | 2010-04-07 | 成都皇牌作物科学有限公司 | Bactericidal composition compounded by bromothalonil and methoxy acrylic acid esters |
Non-Patent Citations (2)
| Title |
|---|
| ANONYMOUS: "Strobilurin compositions", 《RESEARCH DISCLOSURE》 * |
| 吴新平等: "2009-2010年度杀菌剂新产品田间药效评价概述", 《农药科学与管理》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853331A (en) * | 2017-12-18 | 2018-03-30 | 广西南宁乐蕊生物科技有限责任公司 | bactericidal composition containing bromothalonil |
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Denomination of invention: Bactericidal composition containing picoxystrobin and bromothalonil Effective date of registration: 20200428 Granted publication date: 20171212 Pledgee: China Co truction Bank Corp Huizhou branch Pledgor: GUANGDONG ZHONGXUN AGRICULTURAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980001916 |
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