CN105265444A - Pesticide composition containing pyraflufen-ethyl and trifloxystrobin - Google Patents
Pesticide composition containing pyraflufen-ethyl and trifloxystrobin Download PDFInfo
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- CN105265444A CN105265444A CN201510789235.8A CN201510789235A CN105265444A CN 105265444 A CN105265444 A CN 105265444A CN 201510789235 A CN201510789235 A CN 201510789235A CN 105265444 A CN105265444 A CN 105265444A
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- bacterium ester
- oxime bacterium
- pyrrole grass
- pesticide composition
- grass ether
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Abstract
The invention discloses a pesticide composition containing pyraflufen-ethyl and trifloxystrobin. The pesticide composition comprises effective components and additives, wherein the effective components are composed of the pyraflufen-ethyl and the trifloxystrobin, the weight ratio of the pyraflufen-ethyl to the trifloxystrobin ranges from 1:10 to 1:20, and the effective components account for 30%-70% of the total weight of the pesticide composition. By means of the pesticide composition, an obvious prevention and treatment effect on cotton boll blight is achieved, saprophytic diseases caused by other cotton boll pathogenic bacteria with weak invasiveness can be reduced, the effects of protecting bolls and increasing the yield are achieved, dosage of the pesticide composition is less, pesticide application is convenient, and pollution to the environment is reduced.
Description
Technical field
The present invention relates to a kind of composition pesticide containing pyrrole grass ether and oxime bacterium ester, for preventing and treating cotton boll blight, belonging to agricultural technology field.
Background technology
Cotton boll blight (PhytophthoraboehmeriaeSawada) is the important disease on Cotton in China is produced.Epidemic disease all can be fallen ill at cotton growth each period, but the most serious with the harm of bell phase.Bell phase susceptible cotton boll of can directly causing harm, simultaneously for passage is opened in the invasion of other pathogens, the symptom such as can cause stiff lobe, rot, has a strong impact on cotton quality and output.
Pyrrole grass ether (Pyraflufen-ethyl), the chloro-5-of chemical name: 2-(the chloro-5-difluoro-methoxy of 4--1-methylpyrazole-3-base)-4-fluorophenoxyacetate ethyl ester is a kind of phenyl pyrazoles herbicide after seedling.After this medicament cauline leaf process, it can be rapidly absorbed in plant tissue, makes plant downright bad rapidly, or under solar radiation, make cauline leaf dewater withered, has good defoliation effect.
Oxime bacterium ester (Trifloxystrobin), molecular formula C
20h
19f
3n
2o
4, chemical name: methyl (E)-methoxyl group imido grpup-{ (E)-α-[1-(the fluoro-m-tolyl of α, α-three)-ethyleneimino oxygen base]-o-tolyl } ethyl acetate.Oxime bacterium ester belongs to oxime bacterium ester class wide-spectrum bactericide; characteristics such as being the fungicides that the class successfully developed as bactericide lead compound from natural products Strobilurins is new, there is efficient, wide spectrum, protection, treat, root out, permeate, systemic activity, resistance of rainwater washing against, lasting period are long.Oxime bacterium ester is to Isosorbide-5-Nitrae-demethylation enzyme inhibitor, and the bacterial strain that benzamides, dicarboxyl amine and benzimidazole produce resistance is effective, with current existing bactericide without cross resistance.To nearly all Mycophytes (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease such as powdery mildew, leaf spot, rust, downy mildew, damping off, apple apple scab, sclerotinia rot of colza etc., all there is good activity.Because it is capable of being fast degraded in soil, water, thus environmentally safe.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide containing pyrrole grass ether and oxime bacterium ester.In said composition, pyrrole grass ether composition has defoliation effect, and can improve cotton plants middle and lower part Growth of Cotton Boll environment, make it to be unfavorable for that pathogenic bacteria infect and grow, oxime bacterium ester composition effectively can prevent and treat the generation of the microbial epidemic disease of ovum simultaneously.This composite behaviour is excellent, and protection effect is excellent, reduces medicament usage amount, is beneficial to environmental protection.
Technical scheme of the present invention is: a kind of composition pesticide containing pyrrole grass ether and oxime bacterium ester, it comprises active ingredient and auxiliary agent, wherein active ingredient is made up of pyrrole grass ether and oxime bacterium ester, and the two weight ratio is 1:10 ~ 1:20, and active ingredient accounts for 30% ~ 70% of gross weight in composition pesticide.
Further, the above-mentioned composition pesticide containing pyrrole grass ether and oxime bacterium ester can according to well known to a person skilled in the art method, adopt suitable insecticides adjuvant, be configured to suspending agent, dispersible oil-suspending agent, water dispersible granules, wetting powder etc. are applicable to the formulation that agriculturally uses.The insecticides adjuvant used in composition pesticide of the present invention comprises solvent, emulsifier, wetting agent, disintegrant, stabilizing agent, dispersant, thickener, penetrating agent, pH adjusting agent, defoamer, antifreezing agent, carrier etc., and to be of value to active ingredient stable and play the known substance of drug effect in the formulation, be all various compositions that are conventional in pesticidal preparations or permission use, concrete composition and consumption are determined by test according to recipe requirements.
Another object of the present invention is, the composition pesticide provided containing pyrrole grass ether and oxime bacterium ester is preventing and treating the application in cotton boll blight.
The method that composition pesticide of the present invention prevents and treats cotton boll blight is: at cotton boll their early stage, adopts pyrrole grass ether oxime bacterium ester suspending agent or other preparations, adds water to be made into suspension spray and to use.
The invention has the beneficial effects as follows: the present invention has obvious control efficiency to cotton boll blight, and the weak saprophytic disease of other pathogenic bacteria infecting potential of cotton boll (if effectively controlling the generation of other bell phase disease such as boll rot of cotton, rouge and powder disease) can be alleviated, play the effect protecting bell volume increase.Simultaneously the present invention with pyrrole grass ether and oxime bacterium ester composite after, its control efficiency ratio is used alone bactericide oxime bacterium ester and is significantly improved, and reduces the using dosage of agricultural chemicals, reduces cost.And dosage is few, facilitate dispenser, alleviate the pollution to environment, using value is large, and economic and social benefit is very remarkable.
Embodiment
The formula containing the composition pesticide of pyrrole grass ether and oxime bacterium ester that the present invention relates to is specifically described by embodiment 1, embodiment 2 and embodiment 3, but is not limited thereto.
Embodiment 1:
Proportioning (weight ratio): pyrrole grass ether 3%, oxime bacterium ester 30%, calcium lignosulfonate 3%, empgen BB 4%, fatty alcohol-polyoxyethylene ether 5%, glycerine 5%, gum Arabic 0.1%, all the other are supplied with water.Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 33% pyrrole grass ether oxime bacterium ester suspending agent of allotment after high shear mixing.
Embodiment 2:
Proportioning (weight ratio): pyrrole grass ether 3%, oxime bacterium ester 40%, calcium lignosulfonate 3%, empgen BB 4%, fatty alcohol-polyoxyethylene ether 5%, glycerine 5%, gum Arabic 0.1%, all the other are supplied with water.Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 43% pyrrole grass ether oxime bacterium ester suspending agent of allotment after high shear mixing.
Embodiment 3:
Proportioning (weight ratio): pyrrole grass ether 3%, oxime bacterium ester 50%, calcium lignosulfonate 3%, empgen BB 4%, fatty alcohol-polyoxyethylene ether 5%, glycerine 5%, gum Arabic 0.1%, all the other are supplied with water.Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 53% pyrrole grass ether oxime bacterium ester suspending agent of allotment after high shear mixing.
Comparative example 1:
2% pyrrole grass ether missible oil.
Comparative example 2:
40% oxime bacterium ester suspending agent.
For verifying the control efficiency of pyrrole grass ether and oxime bacterium ester, the process that the present invention has carried out field control effectiveness test to pyrrole grass ether and oxime bacterium ester mixture is as follows:
Test site: before Selection experiment cotton field, stubble is cotton, and fertility is higher, irrigation condition is good, and weed in cotton field is less, and surrounding environment is cotton, and cotton field weed killer herbicide used is for broadcasting the mixed soil of front trefanocide (Trifluralin).
Experimental culture management condition: supplying to study thing is spring sowing cotton, and cotton culture managerial skills are higher, can ensure that cotton normal growth is grown.Every mu of planting density is 3500-4000 strain.
Insecticide-applying way: 10-15 days (about early August) dispenser once before Cotton Boll Rot large generation, adopt artificial backpack profit agriculture board sprayer spray pesticide, spray sheet bore 0.7mm, pump enough air in, even spraying is in cotton boll surface, middle and lower part blade and ground, and every mu of actual used water amount is 60 liters (900 liters/hectare).
Investigation method and number of times: two row cottons (sum is no less than 40 strains) are fixed in every community, investigate the rotten bell sum of after medicine 7,14 and 21 days after administration respectively.
Preventive effect calculates:
Preventive effect (%)=(contrast average individual plant rotten bell number-process average individual plant rotten bell number)/contrast rotten bell number × 100 of average individual plant
Result of the test refers to table 1.
Table 1 the present invention contains the composition pesticide of pyrrole grass ether and oxime bacterium ester to the control efficiency of cotton boll blight
As can be seen from Table 1: pyrrole grass ether and the composite rear synergistic effect of oxime bacterium ester obvious, to the preventive effect of cotton boll blight significantly better than single dose, obviously reduce when in compound drug, the amount ratio of active ingredient is used alone, total active ingredient also reduces relatively, thus alleviates carrying capacity of environment, reduces use cost.
Claims (4)
1. contain a composition pesticide for pyrrole grass ether and oxime bacterium ester, it comprises active ingredient and auxiliary agent, and wherein active ingredient is made up of pyrrole grass ether and oxime bacterium ester, and the two weight ratio is 1:10 ~ 1:20, and active ingredient accounts for 30% ~ 70% of gross weight in composition pesticide.
2. a kind of containing pyrrole grass ether and the composition pesticide of oxime bacterium ester as claimed in claim 1, it is characterized in that, described composition pesticide is suspending agent, dispersibles oil-suspending agent, water dispersible granules or wetting powder.
3. a kind of containing pyrrole grass ether and the composition pesticide of oxime bacterium ester as claimed in claim 2, it is characterized in that, described composition pesticide is suspending agent.
4. the composition pesticide containing pyrrole grass ether and oxime bacterium ester in claim 1-3 described in any one is preventing and treating the application in cotton boll blight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510789235.8A CN105265444B (en) | 2015-11-17 | 2015-11-17 | A kind of composition pesticide containing pyraflufen-ethyl and trifloxystrobin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510789235.8A CN105265444B (en) | 2015-11-17 | 2015-11-17 | A kind of composition pesticide containing pyraflufen-ethyl and trifloxystrobin |
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| Publication Number | Publication Date |
|---|---|
| CN105265444A true CN105265444A (en) | 2016-01-27 |
| CN105265444B CN105265444B (en) | 2017-10-31 |
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| CN201510789235.8A Expired - Fee Related CN105265444B (en) | 2015-11-17 | 2015-11-17 | A kind of composition pesticide containing pyraflufen-ethyl and trifloxystrobin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294010A (en) * | 2018-04-10 | 2018-07-20 | 山东棉花研究中心 | A kind of medicament composition of containing trifloxystrobin, pesticide and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404887A (en) * | 2006-03-14 | 2009-04-08 | Fmc有限公司 | Cotton growth regulator |
| CN101755761A (en) * | 2009-10-29 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Fluquinconazole-based synergistic pesticide composition |
| WO2013127853A1 (en) * | 2012-03-01 | 2013-09-06 | Basf Se | Agrochemical compositions |
-
2015
- 2015-11-17 CN CN201510789235.8A patent/CN105265444B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404887A (en) * | 2006-03-14 | 2009-04-08 | Fmc有限公司 | Cotton growth regulator |
| CN101755761A (en) * | 2009-10-29 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Fluquinconazole-based synergistic pesticide composition |
| WO2013127853A1 (en) * | 2012-03-01 | 2013-09-06 | Basf Se | Agrochemical compositions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108294010A (en) * | 2018-04-10 | 2018-07-20 | 山东棉花研究中心 | A kind of medicament composition of containing trifloxystrobin, pesticide and its application |
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| CN105265444B (en) | 2017-10-31 |
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