CN105284844A - Pesticide composition containing pyraflufen-ethyl and pyraclostrobin - Google Patents
Pesticide composition containing pyraflufen-ethyl and pyraclostrobin Download PDFInfo
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- CN105284844A CN105284844A CN201510791058.7A CN201510791058A CN105284844A CN 105284844 A CN105284844 A CN 105284844A CN 201510791058 A CN201510791058 A CN 201510791058A CN 105284844 A CN105284844 A CN 105284844A
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- pyraclostrobin
- pyrrole grass
- grass ether
- composition pesticide
- ethyl
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Abstract
The invention discloses a pesticide composition containing pyraflufen-ethyl and pyraclostrobin. The pesticide composition comprises active ingredients and an auxiliary agent, wherein the active ingredients are composed of pyraflufen-ethyl and pyraclostrobin; weight ratio of pyraflufen-ethyl to pyraclostrobin is 1:10-1:20; and the active ingredients account for 20-60% of total weight of the pesticide composition. The pesticide composition of the invention has an obvious control effect on cotton boll blight, can mitigate other cotton boll saprophytic diseases' pathogenic bacteria with poor infectivity, and has effects of protecting cotton boll and increasing yield. In addition, drug dosage is less, pesticide application is convenient, and environmental pollution is mitigated.
Description
Technical field
The present invention relates to a kind of composition pesticide containing pyrrole grass ether and pyraclostrobin, 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.
Pyraclostrobin (Pyraclostrobin), molecular formula: C
19h
18clN
3o
4, chemical name: methyl (N)-[[[1-(4-chlorobenzene) pyrazoles-3 base)-oxygen]-0-methoxyl group]-N-methoxymethyl carbamate, methoxy acrylic bactericide.Pyraclostrobin is a kind of mitochondrial respiratory inhibitor, it suppresses mitochondrial respiratory effect by stoping electron transmission between thin race pigment b and C1, make mitochondria can not produce and provide the energy required for cell eubolism (ATP), finally cause cell death.This bactericide fungicidal spectrum is wide, can control most of diseases such as Ascomycetes, Basidiomycetes, deuteromycetes, Oomycete.There is very strong inhibitory action to the growth of spore germination and leaf intramatrical mycelium, there is protection and therapeutic activity.Can be used for the various crops such as wheat, peanut, paddy rice, vegetables, fruit tree, tobacco, tea tree, ornamental plants, lawn, the multiple diseases such as leaf blight, rust, powdery mildew, downy mildew, epidemic disease, anthracnose, shot hole, brown spot, damping off that control sac fungi, basidiomycetes, imperfect fungus and Oomycete fungal cause.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide containing pyrrole grass ether and pyraclostrobin.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, pyraclostrobin composition effectively can prevent and treat the generation of the microbial epidemic disease of ovum simultaneously.This composition pesticide function admirable, 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 pyraclostrobin, it comprises active ingredient and auxiliary agent, wherein active ingredient is made up of pyrrole grass ether and pyraclostrobin, the weight ratio of the two is 1:10 ~ 1:20, and active ingredient accounts for 20% ~ 60% of composition pesticide gross weight.
Further, the above-mentioned composition pesticide containing pyrrole grass ether and pyraclostrobin 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.Above-mentioned insecticides adjuvant 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 pyraclostrobin 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 pyraclostrobin 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 pyraclostrobin composite after, its control efficiency ratio is used alone bactericide pyraclostrobin 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 pyraclostrobin 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 2%, pyraclostrobin 20%, 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 22% pyrrole grass ether pyraclostrobin suspending agent of allotment after high shear mixing.
Embodiment 2:
Proportioning (weight ratio): pyrrole grass ether 2%, pyraclostrobin 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 32% pyrrole grass ether pyraclostrobin suspending agent of allotment after high shear mixing.
Embodiment 3:
Proportioning (weight ratio): pyrrole grass ether 2%, pyraclostrobin 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 42% pyrrole grass ether pyraclostrobin suspending agent of allotment after high shear mixing.
Comparative example 1:
2% pyrrole grass ether missible oil.
Comparative example 2:
25% pyraclostrobin suspending agent.
For verifying the control efficiency of pyrrole grass ether and pyraclostrobin, the present invention has carried out field control effectiveness test to pyrrole grass ether and pyraclostrobin mixture, and process 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 pyraclostrobin 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 pyraclostrobin 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. one kind contains the composition pesticide of pyrrole grass ether and pyraclostrobin, it comprises active ingredient and auxiliary agent, wherein active ingredient is made up of pyrrole grass ether and pyraclostrobin, and the weight ratio of the two is 1:10 ~ 1:20, and active ingredient accounts for 20% ~ 60% of composition pesticide gross weight.
2. a kind of containing pyrrole grass ether and the composition pesticide of pyraclostrobin 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 pyraclostrobin 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 pyraclostrobin 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 |
|---|---|---|---|
| CN201510791058.7A CN105284844B (en) | 2015-11-17 | 2015-11-17 | A kind of composition pesticide containing pyraflufen-ethyl and pyraclostrobin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791058.7A CN105284844B (en) | 2015-11-17 | 2015-11-17 | A kind of composition pesticide containing pyraflufen-ethyl and pyraclostrobin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105284844A true CN105284844A (en) | 2016-02-03 |
| CN105284844B CN105284844B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510791058.7A Expired - Fee Related CN105284844B (en) | 2015-11-17 | 2015-11-17 | A kind of composition pesticide containing pyraflufen-ethyl and pyraclostrobin |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108378055B (en) * | 2018-04-10 | 2021-04-20 | 山东棉花研究中心 | Pesticide composition containing pyraclostrobin, pesticide and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102100234A (en) * | 2011-03-23 | 2011-06-22 | 陕西汤普森生物科技有限公司 | Sterilization composition containing pyraclostrobin and carbamates |
| CN102204545A (en) * | 2011-06-09 | 2011-10-05 | 陕西韦尔奇作物保护有限公司 | Weeding composite containing carfentrazone-ethyl and pyraflufen-ethyl |
| CN102283227A (en) * | 2010-06-19 | 2011-12-21 | 海利尔药业集团股份有限公司 | Sterilization composite containing pyraclostrobin and Epoxiconazole |
| CN102428943A (en) * | 2011-11-24 | 2012-05-02 | 陕西美邦农药有限公司 | Weed killing composition containing pyraflufen ethyl and sulfonylurea compounds |
-
2015
- 2015-11-17 CN CN201510791058.7A patent/CN105284844B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283227A (en) * | 2010-06-19 | 2011-12-21 | 海利尔药业集团股份有限公司 | Sterilization composite containing pyraclostrobin and Epoxiconazole |
| CN102100234A (en) * | 2011-03-23 | 2011-06-22 | 陕西汤普森生物科技有限公司 | Sterilization composition containing pyraclostrobin and carbamates |
| CN102204545A (en) * | 2011-06-09 | 2011-10-05 | 陕西韦尔奇作物保护有限公司 | Weeding composite containing carfentrazone-ethyl and pyraflufen-ethyl |
| CN102428943A (en) * | 2011-11-24 | 2012-05-02 | 陕西美邦农药有限公司 | Weed killing composition containing pyraflufen ethyl and sulfonylurea compounds |
Non-Patent Citations (2)
| Title |
|---|
| 沙俊晖: "2%吡草醚微乳剂在棉花生产中的应用研究", 《现代农业科技》 * |
| 陈雨等: "吡唑醚菌酯对棉花炭疽病的防效及保健增产作用", 《中国棉花》 * |
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| CN105284844B (en) | 2017-08-29 |
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Granted publication date: 20170829 Termination date: 20191117 |