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CN105284815B - A kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax - Google Patents

A kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax Download PDF

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Publication number
CN105284815B
CN105284815B CN201510794984.XA CN201510794984A CN105284815B CN 105284815 B CN105284815 B CN 105284815B CN 201510794984 A CN201510794984 A CN 201510794984A CN 105284815 B CN105284815 B CN 105284815B
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China
Prior art keywords
ethyl
pyraflufen
pyrrole metsulfovax
composition pesticide
cotton
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Expired - Fee Related
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CN201510794984.XA
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Chinese (zh)
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CN105284815A (en
Inventor
赵鸣
王红艳
隋洁
李守成
马惠
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Shandong Cotton Research Center
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Shandong Cotton Research Center
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Priority to CN201510794984.XA priority Critical patent/CN105284815B/en
Publication of CN105284815A publication Critical patent/CN105284815A/en
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Publication of CN105284815B publication Critical patent/CN105284815B/en
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Abstract

The invention discloses a kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax.It includes active ingredient and auxiliary agent, and wherein active ingredient is made up of pyraflufen-ethyl and pyrrole metsulfovax, and the weight ratio of the two is 1:5~1:10, active ingredient accounts for the 15%~50% of composition pesticide gross weight.The present composition has obvious preventive and therapeutic effect to cotton bell disease, plays a part of protecting bell volume increase, and dosage is few, facilitates dispenser, alleviates the pollution to environment.

Description

A kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax
Technical field
The present invention relates to a kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax, for preventing and treating cotton bell disease, belongs to agriculture Industry technical field.
Background technology
Cotton bell disease is the general designation of cotton flowering and boll-setting period disease, and the upper bell of Cotton in China production is critically ill evil seriously.The essentialspecies of bell disease Class has:Epidemic disease, rouge and powder disease, anthracnose, red rot etc., can fall ill in Growth of Cotton Boll period, the bell phase susceptible cotton that can directly cause harm Bell, the symptom such as stiff valve, rotten is caused, has a strong impact on cotton quality and yield.
Pyraflufen-ethyl (Pyraflufen-ethyl), chemical name:The chloro- 5- of 2- (the chloro- 5- difluoro-methoxies -1- methyl pyrroles of 4- Azoles -3- bases) -4- fluorophenoxyacetate ethyl esters are a kind of phenyl pyrazoles herbicide after seedling.After the medicament cauline leaf process, it can It is rapidly absorbed in plant tissue, makes plant downright bad rapidly, or make cauline leaf dehydration withered under sunlight, has well Defoliation effect.
Pyrrole metsulfovax (Penthiopyrad), chemical name:(RS)-N- [2- (1,3- dimethylbutyls) -3- thiophene phenyls] - 1- methyl -3- (trifluoromethyl) -1H- pyrazole-4-carboxamides, for the novel amide-type sterilization of Mitsui chemical company research and development Agent, it has different fungicidal spectrums from existing carboxyl acylamide bactericide, there is excellent activity to rust, sclerotiniose, to gray mold, Powdery mildew and scab of apple etc. also show that preferable bactericidal activity, to crop and Environmental security.
The content of the invention
It is an object of the invention to provide a kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax.Pyrrole grass in said composition Ether composition has defoliation effect, can improve cotton plants middle and lower part Growth of Cotton Boll environment, is allowed to be unfavorable for pathogenic bacteria to infect and give birth to It is long, while pyrrole metsulfovax composition can effectively prevent and treat cotton bell disease.The composite behaviour is excellent, and protection effect is excellent, and reducing medicament makes Dosage, beneficial to environmental protection.
The technical scheme is that:A kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax, it is characterized in that, include Effect composition and auxiliary agent, wherein active ingredient are made up of pyraflufen-ethyl and pyrrole metsulfovax, and the weight ratio of the two is 1:5~1:10, effectively Composition accounts for the 15%~50% of composition pesticide gross weight.
Further, above-mentioned composition pesticide can be according to well known to a person skilled in the art method, using suitable agriculture Medicine auxiliary agent, it is configured to the suitable agent agriculturally used such as suspending agent, dispersible oil-suspending agent, water dispersible granules, wettable powder Type.Above-mentioned insecticides adjuvant includes solvent, emulsifying agent, wetting agent, disintegrant, stabilizer, dispersant, thickener, penetrating agent, pH and adjusted Section agent, defoamer, antifreezing agent, carrier etc. are beneficial to the known substance that drug effect is stablized and played to active ingredient in the formulation, are all It is to be commonly used in pesticidal preparations or allow the various composition used, specific composition and dosage to be determined according to recipe requirements by testing.
It is a further object to provide the above-mentioned composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax in preventing and treating cotton The application of bell disease aspect, above-mentioned cotton bell disease include epidemic disease, rouge and powder disease, anthracnose, red rot etc..
The composition pesticide of the present invention prevents and treats the sick method of cotton bell:In cotton boll early stage, using pyraflufen-ethyl pyrrole Metsulfovax suspending agent or other preparations, water is added to be made into suspension spray administration.
The beneficial effects of the invention are as follows:The present invention has obvious prevention effect to cotton bell disease, plays and protects bell volume increase Effect.After the present invention is with pyraflufen-ethyl and pyrrole metsulfovax compounding simultaneously, its prevention effect has than bactericide pyrrole metsulfovax is used alone Significantly improve, and reduce the dosage of agricultural chemicals, reduce cost.And dosage is few, facilitate dispenser, alleviate to ring The pollution in border, application value is big, and economic and social benefit is very notable.
Embodiment
Matching somebody with somebody for composition pesticide of the present invention containing pyraflufen-ethyl and pyrrole metsulfovax can pass through embodiment 1, embodiment 2 It is specifically described with embodiment 3, but not limited to this.
Embodiment 1:
Match (parts by weight):Pyraflufen-ethyl 3%, pyrrole metsulfovax 15%, calcium lignosulfonate 3%, empgen BB 4%, AEO 5%, glycerine 5%, Arabic gum 0.1%, remaining is supplied with water.By above-mentioned formula in proportion Crushed in advance, add in sand mill and grind, obtained 18% pyraflufen-ethyl pyrrole metsulfovax is allocated after high shear mixing and is hanged Floating agent.
Embodiment 2:
Match (parts by weight):Pyraflufen-ethyl 3%, pyrrole metsulfovax 20%, calcium lignosulfonate 3%, empgen BB 4%, AEO 5%, glycerine 5%, Arabic gum 0.1%, remaining is supplied with water.By above-mentioned formula in proportion Crushed in advance, add in sand mill and grind, obtained 23% pyraflufen-ethyl pyrrole metsulfovax is allocated after high shear mixing and is hanged Floating agent.
Embodiment 3:
Match (parts by weight):Pyraflufen-ethyl 3%, pyrrole metsulfovax 30%, calcium lignosulfonate 3%, empgen BB 4%, AEO 5%, glycerine 5%, Arabic gum 0.1%, remaining is supplied with water, by above-mentioned formula in proportion Crushed in advance, add in sand mill and grind, obtained 33% pyraflufen-ethyl pyrrole metsulfovax is allocated after high shear mixing and is hanged Floating agent.
Comparative example 1:
2% pyraflufen-ethyl microemulsion.
Comparative example 2:
20% pyrrole metsulfovax suspending agent.
For checking pyraflufen-ethyl and the prevention effect of pyrrole metsulfovax, the present invention has carried out field to pyraflufen-ethyl and pyrrole metsulfovax mixture Between the test of pesticide effectiveness process it is as follows:
Each 66.6 square metres of plot area is tested, is often handled in triplicate.
Test site:Stubble is cotton before Selection experiment cotton field, and fertility is higher, and irrigation condition is good, and weed in cotton field is less, four All environment are cotton, and herbicide used in cotton field is mixed native to broadcast preceding trefanocide (Trifluralin).
Experimental planting management condition:It is spring sowing cotton for studying thing, cotton culture managerial skills are higher, it is ensured that cotton is just It is frequently grown development.Every mu of planting density is 3500-4000 strains.
Insecticide-applying way:Before Cotton Boll Rot big generation 10-15 days (about early August) dispenser once, using manually bearing Shi Linong board sprayer spray pesticides, spray piece bore 0.7mm, pump enough air in, even spraying in bell table, middle and lower part blade and ground, Every mu of actual used water amount is 60 liters (900 liters/hectare).
Investigation method and number:Two row cottons (sum is no less than 40 plants) are fixed per cell, investigate medicine respectively after administration The rotten bell sum of 7,14 and 21 days afterwards.
Preventive effect calculates:
Preventive effect (%)=(the rotten bell number of the average individual plant of the rotten bell number-processing of the average individual plant of control)/rotten bell number of the average individual plant of control ×100
Result of the test refers to table 1.
Prevention effect of the composition pesticide of the invention containing pyraflufen-ethyl and pyrrole metsulfovax of table 1 to cotton bell disease
As can be seen from Table 1:Synergistic effect is obvious after pyraflufen-ethyl and pyrrole metsulfovax compounding, obvious to the preventive effect of cotton bell disease It is better than single dose, is significantly reduced when the amount ratio of active ingredient is used alone in compound drug, total active ingredient is also relative to be reduced, from And alleviate carrying capacity of environment, reduce use cost.

Claims (2)

1. a kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax, it is characterized in that, the composition pesticide is suspending agent, it by Following weight than raw material be made:Pyraflufen-ethyl 3%, pyrrole metsulfovax 30%, calcium lignosulfonate 3%, empgen BB 4%, AEO 5%, glycerine 5%, Arabic gum 0.1%, remaining is supplied with water;By the advance powder of above-mentioned raw materials It is broken, add in sand mill and grind, allocate that 33% pyraflufen-ethyl pyrrole metsulfovax suspending agent is made after high shear mixing.
2. application of the composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax in terms of cotton bell disease is prevented and treated described in claim 1.
CN201510794984.XA 2015-11-18 2015-11-18 A kind of composition pesticide containing pyraflufen-ethyl and pyrrole metsulfovax Expired - Fee Related CN105284815B (en)

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CN105284815B true CN105284815B (en) 2018-02-13

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Publication number Priority date Publication date Assignee Title
CN108477151A (en) * 2018-04-10 2018-09-04 山东棉花研究中心 A kind of composition pesticide of the metsulfovax containing pyrrole and its application

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FR2705201B1 (en) * 1993-05-19 1995-07-07 Rhone Poulenc Agrochimie Herbicide mixtures based on diflufenican and a 3-phenylpyrazole compound.
EP2822387A1 (en) * 2012-03-01 2015-01-14 Basf Se Agrochemical compositions
CN103704220B (en) * 2012-09-28 2015-01-14 深圳诺普信农化股份有限公司 Compound antibacterial composition containing penthiopyrad
CN103704217A (en) * 2012-10-09 2014-04-09 深圳诺普信农化股份有限公司 Antibacterial composition
CN104082329A (en) * 2014-07-23 2014-10-08 江苏瑞东农药有限公司 High-efficiency cotton defoliating and boll-increasing composition

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