CN104222107A - Pesticide composition containing zinc thiazole and bismerthiazol - Google Patents
Pesticide composition containing zinc thiazole and bismerthiazol Download PDFInfo
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- CN104222107A CN104222107A CN201410424339.4A CN201410424339A CN104222107A CN 104222107 A CN104222107 A CN 104222107A CN 201410424339 A CN201410424339 A CN 201410424339A CN 104222107 A CN104222107 A CN 104222107A
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- zinc thiazole
- yekuzuo
- pesticide
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- bismerthiazol
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Abstract
The invention discloses a pesticide composition containing zinc thiazole and bismerthiazol. The pesticide composition has effective ingredients of the zinc thiazole and the bismerthiazol with a weight part ratio of (1:10) to (10:1), during practical application, the pesticide composition is prepared into application formulations of a suspending agent, a wettable powder and a water dispersible granule, and the weight percentage of the weight sum of the zinc thiazole and the bismerthiazol in the composition is 1-89 percent. The pesticide composition disclosed by the invention has a synergistic interaction effect, and is capable of effectively preventing and controlling bacterial diseases of crops; the preventing and controlling effect of the pesticide composition is remarkably superior to that of singly used single preparations, and thus the consumption of a pesticide is reduced, the residual quantity of the pesticide on the crops is reduced, the environmental pollution is reduced, and the generation of the pesticide resistance of pests is delayed.
Description
Technical field
The present invention relates to a kind of composition pesticide containing zinc thiazole and Yekuzuo, for active ingredient with zinc thiazole and Yekuzuo, for preventing and treating agricultural bacterial evil, as cucumber bacterial angular leaf spot, citrus bacterial canker disease, bacterial leaf streak of rice, bacterial wilt of tomato etc.
Background technology
The resistance problem of agricultural bacterial evil 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.
The structure of zinc thiazole forms sterilization by two groups, and one is thiazolyl group, outer to bacterium unrestraint power at plant corpus, but be efficient therapeutic agent in plant corpus, medicament is in the pitted vessel of plant, and bacterium is subject to grievous injury, its cell wall is thinning disintegrates then, causes the death of bacterium.Two is the cation (H on zinc ion and pathogen surface of cell membrane
+, K
+deng) exchange, cause the protein coagulating on germ cell membrane to kill germ.Part zinc ion penetrates in pathogen cell, is combined with some enzyme, and affect its activity, cause dysfunction, germ exhaustion is dead.Zinc thiazole has special efficacy to bacterial diseases such as cucumber bacterial angular leaf spot, citrus bacterial canker disease, bacterial leaf streak of rice.
Yekuzuo is heterocyclic new type bactericide, has very strong interior sorptivety permeability, and have treatment and prevention effect, therapeutic action is more remarkable simultaneously.Its thiazolyl group, be efficient therapeutic agent in plant corpus, medicament is in the pitted vessel of plant, and bacterium is subject to grievous injury, and its cell wall is thinning disintegrates then, causes the death of bacterium.Yekuzuo is to bacterial blight of rice, bacterial stripe, and the control efficiency of citrus bacterial canker disease is good.
The mixture of different pesticide species is the common methods of preventing and treating agriculture disease pest and weed.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 disease pest and weed, is the important means that agricultural synthesis is administered.The recipe determination of the present inventor to zinc thiazole and Yekuzuo conducts in-depth research, and finds that zinc thiazole and Yekuzuo carry out mixture and have obvious synergistic effect in certain mixed ratio scope to fungus and bacterium, after further study, completes the present invention.
Composition and the application of zinc thiazole and Yekuzuo there is no report at present.
Summary of the invention
The technical problem that the present invention solves be to provide a kind of efficient, low toxicity and the lasting period long, effectively can prevent and treat the composition pesticide that agricultural bacterial does harm to.
For solving the problem, the technical solution adopted in the present invention is: a kind of composition pesticide containing zinc thiazole and Yekuzuo, active ingredient is made up of zinc thiazole and Yekuzuo, the ratio of weight and number of zinc thiazole and Yekuzuo is 1:10 ~ 10:1, preferred weight portion rate is 1:5 ~ 5:1, and optimum ratio of weight and number is 1:2 ~ 2:1.
The present invention makes the application forms comprising suspending agent, wetting powder, water dispersible granules when practical application, zinc thiazole and Yekuzuo weight summation percentage by weight are in the composition 1%-89%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described auxiliary element is the combination of one or more in solvent, emulsifier, wetting agent, dispersant, stabilizing agent, antifreezing agent, thickener, disintegrant, binding agent, defoamer, bleeding agent, synergist, fire retardant, pH adjusting agent and filler, above material is known substance conventional in pesticidal preparations, change to some extent according to being prepared into the different formulations of pesticide, but be not particularly limited, describe no longer one by one at this.
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.
Compared with prior art, the invention has the advantages that: a kind of composition pesticide containing zinc thiazole and Yekuzuo provided by the invention shows obvious synergistic effect in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease the impact of agricultural chemicals on environment, reduce drug cost.
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.
Assays Example: zinc thiazole and Yekuzuo are tested the toxicity test of xanthomonas oryzae pv. oryzicola.
Test medicine adopts the former medicine of 95% zinc thiazole, the former medicine of 95% Yekuzuo.
Adopt field stems and leaves of rice spray-on process dispenser (having water membrane to be advisable with blade surface), spraying process is carried out on March 25th, 2014, chemical sprayer tool adopts manual sprayer (liquid capacity is about 2.0L), every 10 days spray medicines once, and continuous spraying 2 times.Often process selects 5 blades of the even plant that falls ill as efficacy of medicine observing object, and each process repeats for 3 times.Statistical data after off-test, calculates virulence equation and lethal concentration of 50 EC with method of least squares
50, calculate the different ratio synergy ratio (SR) of medicament according to Wadley method, wherein SR < 0.5 is antagonism, and 0.5≤SR≤1.5 are summation action, and SR > 1.5 is synergistic effect.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 (%);
A: the EC of A in mixture
50value, unit is milligrams per liter (mg/L);
B: the EC of B in mixture
50value, unit is milligrams per liter (mg/L).
In formula:
SR: the coefficient of synergism of mixture;
X1: the EC of mixture
50theoretical value, unit is milligrams per liter (mg/L);
X2: the EC of mixture
50measured value, unit is milligrams per liter (mg/L).
Table 1, zinc thiazole and Yekuzuo are to the joint toxicity measuring result of xanthomonas oryzae pv. oryzicola.
As can be seen from Table 1, it is 1.69,1.67,1.63,1.83,1.66,1.67,1.72 that zinc thiazole and Yekuzuo combine the synergy ratio of xanthomonas oryzae pv. oryzicola with 10:1,5:1,3:1,1:1,1:3,1:5,1:10 respectively, illustrates that zinc thiazole and Yekuzuo combination have synergistic effect.
Preparation method embodiment 1:40% zinc thiazole Yekuzuo wetting powder.
Mix entering in blender after above-mentioned material in proportion coarse crushing, more namely obtain 40% zinc thiazole Yekuzuo wetting powder after air-flow crushing.
Preparation method embodiment 2:22% zinc thiazole Yekuzuo water dispersible granules.
By above-mentioned formula, 22% zinc thiazole Yekuzuo water dispersible granules is made and is obtained in dry pulverization process, granulation, drying, screening in proportion.
Preparation method embodiment 3:25% zinc thiazole Yekuzuo suspending agent.
Alkylphenol polyoxyethylene formaldehyde condensation products sulphate (dispersant) 4%
Above-mentioned material is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 25% zinc thiazole Yekuzuo suspending agent of allotment after high shear mixing.
Field control effectiveness test embodiment: the field trial of zinc thiazole and Yekuzuo control bacterial leaf streak of rice and cucumber bacterial angular leaf spot.
Test site is positioned at Lao Keng village, Ren Shan town, Huizhou Huidong County, adopts spray-on process.Adopt 20% thiazole zincium suspension agent, 20% Yekuzuo wetting powder medicament in contrast, 5 chemicals treatment are established in test altogether, and each process repeats for 4 times.Before dispenser, investigate diseased plant number, every community adopts 5 samplings, and often some investigation 5 strains, all blades are investigated in every strain, and the percentage accounting for whole blade area with lesion area carrys out classification record, calculate each process disease index and control efficiency.Dispenser 7 days " Invest, Then Investigate "s drug effect, record diseased plant number, calculates control efficiency.Result of the test is as shown in table 2.
Grade scale: 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.
Computational methods:
Table 2, zinc thiazole and Yekuzuo combination control bacterial leaf streak of rice result of the test.
Table 3, zinc thiazole and Yekuzuo combination control cucumber bacterial angular leaf spot result of the test.
As can be seen from table 2, table 3, the effect that 40% zinc thiazole Yekuzuo wetting powder, 22% zinc thiazole Yekuzuo water dispersible granules, 25% zinc thiazole Yekuzuo suspending agent prevent and treat bacterial leaf streak of rice and cucumber bacterial angular leaf spot is better than 20% thiazole zincium suspension agent and 20% Yekuzuo wetting powder, illustrate that zinc thiazole and Yekuzuo composition improve control efficiency, reduce the using dosage of agricultural chemicals, decrease the impact of agricultural chemicals on environment, reduce drug cost.
Claims (6)
1. contain a composition pesticide for zinc thiazole and Yekuzuo, it is characterized in that: active ingredient is made up of zinc thiazole and Yekuzuo, the ratio of weight and number of zinc thiazole and Yekuzuo is 1:10 ~ 10:1.
2. a kind of composition pesticide containing zinc thiazole and Yekuzuo according to claim 1, is characterized in that: the ratio of weight and number of zinc thiazole and Yekuzuo is 1:5 ~ 5:1.
3. a kind of composition pesticide containing zinc thiazole and Yekuzuo according to claim 1, is characterized in that: the ratio of weight and number of zinc thiazole and Yekuzuo is 1:2 ~ 2:1.
4. a kind of composition pesticide containing zinc thiazole and Yekuzuo according to claim 1, is characterized in that: zinc thiazole and Yekuzuo weight summation percentage by weight are in the composition 1%-89%.
5. a kind of composition pesticide containing zinc thiazole and Yekuzuo according to claim 1, is characterized in that: the formulation of described composition pesticide is the one in suspending agent, wetting powder, water dispersible granules.
6. a kind of composition pesticide containing zinc thiazole and Yekuzuo according to claim 1 is preventing and treating the application on bacterial diseases of crops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424339.4A CN104222107A (en) | 2014-08-26 | 2014-08-26 | Pesticide composition containing zinc thiazole and bismerthiazol |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424339.4A CN104222107A (en) | 2014-08-26 | 2014-08-26 | Pesticide composition containing zinc thiazole and bismerthiazol |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953346A (en) * | 2010-09-15 | 2011-01-26 | 浙江新农化工股份有限公司 | Zinc thiazole-containing bactericidal composition |
| CN103503885A (en) * | 2013-03-26 | 2014-01-15 | 铜陵福成农药有限公司 | Plant bactericide mainly comprising bismerthiazol and application thereof |
| CN104336081A (en) * | 2013-08-09 | 2015-02-11 | 陕西美邦农药有限公司 | Zinc thiazole-containing efficient sterilizing and production-increasing composition |
-
2014
- 2014-08-26 CN CN201410424339.4A patent/CN104222107A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953346A (en) * | 2010-09-15 | 2011-01-26 | 浙江新农化工股份有限公司 | Zinc thiazole-containing bactericidal composition |
| CN103503885A (en) * | 2013-03-26 | 2014-01-15 | 铜陵福成农药有限公司 | Plant bactericide mainly comprising bismerthiazol and application thereof |
| CN104336081A (en) * | 2013-08-09 | 2015-02-11 | 陕西美邦农药有限公司 | Zinc thiazole-containing efficient sterilizing and production-increasing composition |
Non-Patent Citations (2)
| Title |
|---|
| 李夏冰 等: "黄瓜细菌性角斑病对噻唑锌的抗药性风险评估", 《农药》 * |
| 魏方林 等: "创制杀菌剂-噻唑锌", 《世界农药》 * |
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Application publication date: 20141224 |