CN102273459A - Weeding composition containing pyribenzoxim and cyhalofopbutyl - Google Patents
Weeding composition containing pyribenzoxim and cyhalofopbutyl Download PDFInfo
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- CN102273459A CN102273459A CN201110167219A CN201110167219A CN102273459A CN 102273459 A CN102273459 A CN 102273459A CN 201110167219 A CN201110167219 A CN 201110167219A CN 201110167219 A CN201110167219 A CN 201110167219A CN 102273459 A CN102273459 A CN 102273459A
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- pyribenzoxim
- cyhalofop
- butyl
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- herbicidal composition
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Abstract
The invention relates to a pesticide composition, in particular to a paddy field weeding composition containing pyribenzoxim and cyhalofopbutyl, wherein the weight ratio of the pyribenzoxim and the cyhalofopbutyl in the paddy field weeding composition is preferably 1:1-1:10, more preferably 1:2-1:5, further preferably 1:2-1:3 and most preferably 3:6-3:8.
Description
Technical field
The present invention relates to pesticide field, particularly relate to a kind of pyribenzoxim of synergy effective dose and Herbicidal combinations of cyhalofop-butyl of containing.
Background technology
Pyribenzoxim (Pyribenzoxim) is that newly its mechanism of action is similar to sulfonylurea and imidazolone weed killer herbicide, all belongs to acetolactate synthestase (ALS) inhibitor by the pyrimidine ether weed killer herbicide of LG Corp of South Korea exploitation.Paddy rice, common wheat, Korea lawn grass are had activity of weeding behind the selectivity super-high-efficient bud, activity of weeding before the no bud, it is distinguished to be used to prevent and kill off various grassy weeds such as barnyard grass grass, big fringe amur foxtail, polygonum flaccidum and the assorted effect of drawing of broad-leaved, to paddy rice, common wheat safety.Medicament weeding speed is slower, can suppress weed growth after the dispenser, but must be withered after 2 weeks.Medicament medication appropriateness broad, all effective to 1.5～6.5 leaf phases of barnyard grass grass.In 2.5～3.5 leaf phases, with 10g/hm
2Dosage can reach 100% and prevent and kill off; 3.5～4.5 leaf phases were increased to 20g/hm
2Dosage can reach 100% and prevent and kill off.
The chemical structural formula of pyribenzoxim is:
Cyhalofop-butyl (cyhalofop-butyl) is the phenoxy carboxylic acid herbicides of The Dow Agrosciences, LLC. (Dow AgroSciences Company) Development and Production, it is the only kind that paddy rice is had tight security in the fragrant phenoxy propionic acid class weed killer herbicide, the same with such other kinds, also be interior suction conductivity weed killer herbicide.Blade and leaf sheath by plant corpus absorb, and the phloem conduction accumulates the meristem zone in plant corpus, resist acetyl-CoA carboxylase (ACCase), fatty acid is synthesized stop, the growth division of cell can not normally be carried out, film system etc. contains the fat structural deterioration, causes plant death at last.It is slower to be absorbed into weeds death from cyhalofop-butyl, generally needs 1-3 week.The symptom of weeds after dispenser is as follows: the tender shoots atrophy of four leaf phases causes death.The Lao Ye of two leaf stage changes minimum, keeps green.
The chemical structural formula of cyhalofop-butyl:
Have now found that, contain the effect that Herbicidal combinations showed of pyribenzoxim and cyhalofop-butyl or the simple superposition that activity level exceeds each composition activity, have unforeseeable synergistic function.And further discover, contain pyribenzoxim and compare wetting powder with the oil-suspending agent of cyhalofop-butyl and have more good herbicidal effect.The applicant has finished the present invention based on above discovery.
Summary of the invention
One of purpose of the present invention is to provide the Herbicidal composition for rice field that a kind of mixed ratio is reasonable, control efficiency is good, and this Herbicidal composition for rice field contains the pyribenzoxim and the cyhalofop-butyl of synergy effective dose.
Another object of the present invention is to provide the pyribenzoxim that contains the synergy effective dose and the oil-suspending agent Herbicidal combinations of cyhalofop-butyl.
A further object of the present invention provides and contains the pyribenzoxim of synergy effective dose and the oil-suspending agent Herbicidal combinations of cyhalofop-butyl is used to prevent and treat the paddy field annual weed with above-mentioned, especially the purposes of barnyard grass grass, moleplant seed.
Technical scheme of the present invention is as described below:
A kind of Herbicidal composition for rice field is characterized in that, this Herbicidal composition for rice field contains the pyribenzoxim and the cyhalofop-butyl of synergy effective dose.
Wherein, in this Herbicidal composition for rice field the weight ratio of pyribenzoxim and cyhalofop-butyl be preferably 1: 1～1: 10, more preferably 1: 2～1: 5, more preferably 1: 2～1: 3, most preferably be 3: 6.4～3: 8.
Herbicidal composition for rice field of the present invention can be mixed with the floating agent of pesticide oil suspension or other regular dosage forms according to the conventional production process of this area.Its administration form depends on specific application; In all cases, must guarantee that their dispersion is trickle as much as possible and even.
Wherein, oil-suspending agent can prepare in a known manner, for example by the reactive compound adding is contained in the vegetable oil of surfactant such as dispersant, wetting agent, can also add thickener, defoamer, antifreeze, oxidant etc.
Surfactant can be dispersant or wetting agent; Can be nonionic or ionic.For example, lauryl sodium sulfate, Teepol, neopelex, polyoxyethylene fatty acid ester, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine etc.Material as dispersant and wetting agent has: sodium lignin sulfonate, calcium lignosulfonate, alkylol polyoxyethylene groups ether sodium sulfate, octylphenol polyethylene oxyethylene group ether sulfate, sodium alkyl sulfonate, neopelex etc.
Thickener can be for example carbonyl methylol, polyvinyl alcohol or the polyvinyl acetate that synthesizes, or natural water-soluble polymer, for example xanthans, gelatin, gum Arabic, phenolic resins, shellac, carboxymethyl cellulose and sodium alginate etc.
Defoamer can be bubble enemy, silicone, C
8-10Fatty alcohol, phosphoric acid ester, C
10-20Saturated fat acids (as capric acid) and acid amides etc.
Antifreeze can be calcium chloride etc.
The present composition has the following advantages: the one, and composition shows fabulous synergistic effect in certain ratio range, mixed composition has obviously improved herbicidal effect than its single agent, thereby reduced application dosage, when reducing drug cost, reduced influence environment.The 2nd, herbicidal spectrum is wide, and a kind of medicament can be prevented and treated multiple weeds simultaneously; The present composition has good preventive and therapeutic effect to the paddy field annual weed.
Embodiment:
The invention will be further described below in conjunction with embodiment, but it only is an illustration, and by no means scope of the present invention is construed as limiting.In an embodiment, except as otherwise noted, the percentage composition of each component all is meant weight percentage.
1. preparation embodiment
1.1 the preparation of 22% oil-suspending agent
2. biological Examples: the composite Toxicity Determination test of pyribenzoxim cyhalofop-butyl to the paddy rice annual weed
2.1 for the examination target
Flat bar Fischer grass (Scirpus planiculmis), moleplant seed (Leptochloa chinensis) picked up from changde, hunan province suburban area paddy field in 2006.
Above-mentioned weeds adopt pot-culture method to cultivate.With 180 * 140mm plastics nutritive cube, put in enamel tray, interior dress is adopted back through the air-dry topsoil that sieves (4/5) from the farmland, the soil moisture initial stage all is controlled at 20%, select the weed seed of full seed homogeneous, with 25 ℃ of emerge in worm water 6 hours, vernalization in 28 ℃ of biochemical incubators (dark), the weed seed that has just showed money or valuables one carries unintentionally evenly is placed in soil surface, then earthing 0.7cm.Chemicals treatment is placed in the controlled greenhouse by solar heat and cultivates, and regularly adds a certain amount of water in enamel tray, keeps ground moistening.
2.2 condition of culture
In controlled greenhouse by solar heat, carry out 19～27 ℃ of temperature, natural lighting, relative moisture 62%～81%.
Soil types is a loam, and the content of organic matter is 1.83%, pH=7.1, alkali-hydrolyzable nitrogen 85.2mg/kg, rapid available phosphorus 38.3mg/kg, available potassium 83.0mg/kg.
2.3 instrument and equipment
3WT-II type spray tower, Beijing Lei Qianna green technology Development Co., Ltd.GA110 type ten thousand/electronic balance (Germany); ZDR2000 intelligent data recorder (the big Instr Ltd. in pool, Hangzhou); SPX type intelligence biochemical incubator (south of the River, Ningbo instrument plant).
2.4 experimental scheme
2.4.1 test medicine
The former medicine of 95.0% pyribenzoxim (pyribenzoxim) (Korea S LG life science Co., Ltd);
The former medicine of 97.4% cyhalofop-butyl (cyhalofop-butyl) (the green despot's chemical inc in Shandong).
2.4.2 other reagent
Two kinds of former medicine solvents all adopt dimethyl formamide (DMF), and are with the dilution of the content 0.1% emulsifier T-80 aqueous solution, existing with existing dilution.
2.5 test is handled
2.5.1 dosage setting
On the basis of indoor preliminary survey, pyribenzoxim is made as the different combinations of using with respectively with the consumption of cyhalofop-butyl, see Table 1, design 9 groups altogether.As blank, carry out indoor bioassay with the water that do not contain medicament, contain same solvent and emulsifier respectively.
2.5.2 test repeats
Every processing repeats 4 times, each every processing 3 basins, and 20 of every basin sowing weed seeds, every processing is totally 60 strains.
2.6 processing mode
2.6.1 processing time and number of times
Test shared medicine 1 time.Treat 1 heart stage of flat bar Fischer grass, moleplant seed 2 leaves, thinning keeps weeds 15 strains in every basin, and every processing keeps 45 strains, continues to be cultured to 1 heart stage of flat bar Fischer grass, moleplant seed 3 leaves then and handles.
2.6.2 use apparatus and administrated method
Cultured examination material evenly is placed in area 0.3m
2Platform on, with the quantitative spray tower cauline leaf spraying of 3WT-II type, spouting liquid is by 450 kilograms/hectare.Atomisation pressure 0.3MPa.After treating that whole soups have sprayed, close gas check valve, after 30 seconds, open the spraying pyller, take out nutritive cube.Open air valve then, spray clear water 50ml cleans sparge pipe.
2.7 test method
Adopt pot-culture method.Weeds are cultivated and see 2.1, carry out with reference to " agricultural chemicals indoor bioassay test rule weed killer herbicide, the 4th, 7 parts ".Administrated method is seen 3.3.2, adopts the cauline leaf facture.
2.8 data survey and statistical analysis
2.8.1 investigation method
Adopt the absolute number investigation method, cut off the whole strain seedling of survival weeds along soil surface, with analytical balance weighing weeds fresh weight with blade.For dead weeds, be zero by fresh weight.
2.8.2 control time and number of times
Handle investigation in back 15 days, investigate altogether 1 time.
2.9 interpretation of result and discussion
Table 1 pyribenzoxim, cyhalofop-butyl are used the synergy effect (Gowing method) to weeds with
Result of the test shows that pyribenzoxim and cyhalofop-butyl are used the inhibiting rate E-E of each combined treatment to 2 kinds of weeds with
0Value be on the occasion of, show certain synergistic effect.Each combination is to the E-E of flat bar Fischer grass
0Value is a little more than the E-E to piemarker
0Value, wherein the combination of 37.5+80 and 37.5+100 is to the inhibiting rate E-E of flat bar Fischer grass
0Value is greater than 10%, and the combination of 37.5+100 is to the inhibiting rate E-E of moleplant seed
0Value illustrates that greater than 10% the combination of 37.5+100 has obvious synergistic effect.
3. formulation screening test
3.1 experimental scheme
3.1.1 test medicine
The former medicine of 95.0% pyribenzoxim (nicosulfuron) (Korea S LG life science Co., Ltd);
The former medicine of 95.3% cyhalofop-butyl (fluroxypyr) (the green despot's chemical inc in Shandong).
3.2 test is handled
3.2.1 dosage setting
On the basis of indoor preliminary survey, the different dosage form pyribenzoxim is made as the different combinations of using with respectively with the consumption of cyhalofop-butyl, see Table 1, design 9 groups altogether.As blank, carry out indoor bioassay with the water that do not contain medicament, contain same solvent and emulsifier respectively.
3.2.2 test repeats
Every processing repeats 4 times, each every processing 3 basins, and 20 of every basin sowing weed seeds, every processing is totally 60 strains.
3.3 processing mode
3.3.1 processing time and number of times
Test shared medicine 1 time.Treat 1 heart stage of flat bar Fischer grass, moleplant seed 2 leaves, thinning keeps weeds 15 strains in every basin, and every processing keeps 45 strains, continues to be cultured to 1 heart stage of 4 leaves then and handles.
3.3.2 use apparatus and administrated method
Cultured examination material evenly is placed in area 0.3m
2Platform on, with the quantitative spray tower cauline leaf spraying of 3WT-II type, spouting liquid is by 450 kilograms/hectare.Atomisation pressure 0.3MPa.After treating that whole soups have sprayed, close gas check valve, after 30 seconds, open the spraying pyller, take out nutritive cube.Open air valve then, spray clear water 50ml cleans sparge pipe.
3.4 test method
Adopt pot-culture method.Weeds are cultivated and see 2.1, carry out with reference to " agricultural chemicals indoor bioassay test rule weed killer herbicide, the 4th, 7 parts ".Administrated method is seen 3.3.2, adopts the cauline leaf facture.
3.5 data survey and statistical analysis
3.5.1 investigation method
Adopt the absolute number investigation method, cut off the whole strain seedling of survival weeds along soil surface, with analytical balance weighing weeds fresh weight with blade.For dead weeds, be zero by fresh weight.
3.5.2 control time and number of times
Handle investigation in back 15 days, investigate altogether 1 time.
3.6 interpretation of result and discussion
6.1 evaluating drug
After the chemicals treatment 6 days, two kinds of formulations all begin to occur symptom.Growth is suppressed, and the lobus cardiacus of the blade of being injured curls and the part chlorosis, and part Lao Ye also begins to curl, and the blade edge chlorosis, and whole strain is withered dead after 15 days.
Can to get conclusion as follows for data from table: the reveal any symptoms at first that is mixed of oil suspending agent type 37.5+100, and also death is also very thorough, and the final lethality of flat bar Fischer grass and moleplant seed is respectively 98.8% and 98.8%, and the fresh weight inhibiting rate is respectively 96.1% and 97.1%.Though and the performance speed of wettable powder drug effect is also than comparatively fast, weeding is completeness relatively also, compares with the oil suspending agent type or a certain distance is arranged.Therefore, no matter from performance speed, or on the weeding completeness, pyribenzoxim and cyhalofop-butyl be mixed for the oil suspending agent type should be best formulation at present.
Table 1 pyribenzoxim and cyhalofop-butyl are used the determination of activity result of different dosage form to flat bar Fischer grass with
Table 2 pyribenzoxim and cyhalofop-butyl are used the determination of activity result of different dosage form to moleplant seed with
Claims (8)
1. Herbicidal composition for rice field is characterized in that, contains the pyribenzoxim and the cyhalofop-butyl of synergy effective dose in this Herbicidal combinations.
2. according to the Herbicidal composition for rice field of claim 1, it is characterized in that, in this Herbicidal combinations the weight ratio of pyribenzoxim and cyhalofop-butyl be preferably 1: 1～1: 10.
3. according to the Herbicidal composition for rice field of claim 1～2, it is characterized in that, in this Herbicidal combinations the weight ratio of pyribenzoxim and cyhalofop-butyl be preferably 1: 2～1: 5.
4. according to the Herbicidal composition for rice field of claim 1～3, it is characterized in that, in this Herbicidal combinations the weight ratio of pyribenzoxim and cyhalofop-butyl be preferably 1: 2～1: 3.
5. according to the Herbicidal composition for rice field of claim 1～4, it is characterized in that, in this Herbicidal combinations the weight ratio of pyribenzoxim and cyhalofop-butyl be preferably 3: 6.4～3: 8.
6. according to the Herbicidal composition for rice field of claim 1～5, it is characterized in that described Herbicidal composition for rice field is an oil-suspending agent.
7. according to the Herbicidal composition for rice field of claim 6, it is characterized in that described Herbicidal composition for rice field is for comprising: pyribenzoxim 6wt%, cyhalofop-butyl 16wt%, neopelex 10wt%, calcium lignosulfonate 8wt%, xanthans 6wt%, surplus is a corn oil.
8. the described Herbicidal composition for rice field of arbitrary claim with claim 1～7 is used to prevent and treat the paddy field annual weed, especially the purposes of barnyard grass grass and moleplant seed.
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| CN201110167219A CN102273459A (en) | 2011-06-21 | 2011-06-21 | Weeding composition containing pyribenzoxim and cyhalofopbutyl |
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| CN102726375A (en) * | 2012-07-20 | 2012-10-17 | 青岛瀚生生物科技股份有限公司 | Pyribenzoxim oil suspending agent and preparation method thereof |
| CN103583523A (en) * | 2013-10-14 | 2014-02-19 | 广东中迅农科股份有限公司 | Paddy field weeding composition |
| CN103583540A (en) * | 2013-10-14 | 2014-02-19 | 广东中迅农科股份有限公司 | Weeding composition for preventing and weeding gramineae and broad-leaf weeds of paddy field |
| CN103636648A (en) * | 2013-10-30 | 2014-03-19 | 广东中迅农科股份有限公司 | Pyribenzoxim-containing weeding composition |
| CN103688944A (en) * | 2013-11-28 | 2014-04-02 | 广东中迅农科股份有限公司 | Weedicide for rice paddy fields |
| CN103783066A (en) * | 2014-03-07 | 2014-05-14 | 赵邦斌 | Fluorine pyribenzoxim herbicide composition |
| CN104186503A (en) * | 2014-09-11 | 2014-12-10 | 河南中天恒信生物化学科技有限公司 | Composite herbicide containing pyribenzoxim, cyhalofop-butyl and penoxsulam and application of composite herbicide |
| CN104824001A (en) * | 2015-05-13 | 2015-08-12 | 广东中迅农科股份有限公司 | Herbicidal composition containing propyrisulfuron, cyhalofop-butyl and saflufenacil |
| CN104855388A (en) * | 2015-04-27 | 2015-08-26 | 湖南东永化工有限责任公司 | Weeding composition and application thereof |
| CN105394040A (en) * | 2015-11-30 | 2016-03-16 | 浙江新农化工股份有限公司 | Herbicide composition containing pyriminobac methyl, pyribenzoxim and cyhalofop-butyl, preparation and appliance thereof |
| CN105532668A (en) * | 2015-12-28 | 2016-05-04 | 安徽省化工研究院 | Oil suspending agent weeding composition containing pyribenzoxim and cyhalofop-butyl |
| CN106922675A (en) * | 2017-05-11 | 2017-07-07 | 江苏华农生物化学有限公司 | A kind of herbicide and preparation method thereof |
| CN107517976A (en) * | 2017-08-04 | 2017-12-29 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing pyribenzoxim, cyhalofop-butyl and bentazone |
| CN107683855A (en) * | 2017-09-19 | 2018-02-13 | 浙江天丰生物科学有限公司 | A kind of Herbicidal composition for paddy fields |
| CN107736353A (en) * | 2017-09-08 | 2018-02-27 | 浙江天丰生物科学有限公司 | A kind of re-compounded rice field Herbicidal combinations |
| CN108477172A (en) * | 2018-04-19 | 2018-09-04 | 常州大学 | A kind of Herbicidal combinations containing trifluoro ketone grass ether and cyhalofop-butyl |
| CN108760943A (en) * | 2018-08-16 | 2018-11-06 | 山东潍坊润丰化工股份有限公司 | A kind of method of cyhalofop-butyl and pyribenzoxim content in detection complex preparation |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102726375A (en) * | 2012-07-20 | 2012-10-17 | 青岛瀚生生物科技股份有限公司 | Pyribenzoxim oil suspending agent and preparation method thereof |
| CN103583523A (en) * | 2013-10-14 | 2014-02-19 | 广东中迅农科股份有限公司 | Paddy field weeding composition |
| CN103583540A (en) * | 2013-10-14 | 2014-02-19 | 广东中迅农科股份有限公司 | Weeding composition for preventing and weeding gramineae and broad-leaf weeds of paddy field |
| CN103636648B (en) * | 2013-10-30 | 2016-08-17 | 广东中迅农科股份有限公司 | A kind of Herbicidal combinations containing pyribenzoxim |
| CN103636648A (en) * | 2013-10-30 | 2014-03-19 | 广东中迅农科股份有限公司 | Pyribenzoxim-containing weeding composition |
| CN103688944B (en) * | 2013-11-28 | 2016-08-17 | 广东中迅农科股份有限公司 | A kind of herbicide for paddy field |
| CN103688944A (en) * | 2013-11-28 | 2014-04-02 | 广东中迅农科股份有限公司 | Weedicide for rice paddy fields |
| CN103783066A (en) * | 2014-03-07 | 2014-05-14 | 赵邦斌 | Fluorine pyribenzoxim herbicide composition |
| CN104186503A (en) * | 2014-09-11 | 2014-12-10 | 河南中天恒信生物化学科技有限公司 | Composite herbicide containing pyribenzoxim, cyhalofop-butyl and penoxsulam and application of composite herbicide |
| CN104855388A (en) * | 2015-04-27 | 2015-08-26 | 湖南东永化工有限责任公司 | Weeding composition and application thereof |
| CN104824001A (en) * | 2015-05-13 | 2015-08-12 | 广东中迅农科股份有限公司 | Herbicidal composition containing propyrisulfuron, cyhalofop-butyl and saflufenacil |
| CN105394040A (en) * | 2015-11-30 | 2016-03-16 | 浙江新农化工股份有限公司 | Herbicide composition containing pyriminobac methyl, pyribenzoxim and cyhalofop-butyl, preparation and appliance thereof |
| CN105532668A (en) * | 2015-12-28 | 2016-05-04 | 安徽省化工研究院 | Oil suspending agent weeding composition containing pyribenzoxim and cyhalofop-butyl |
| CN106922675A (en) * | 2017-05-11 | 2017-07-07 | 江苏华农生物化学有限公司 | A kind of herbicide and preparation method thereof |
| CN107517976A (en) * | 2017-08-04 | 2017-12-29 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing pyribenzoxim, cyhalofop-butyl and bentazone |
| CN107736353A (en) * | 2017-09-08 | 2018-02-27 | 浙江天丰生物科学有限公司 | A kind of re-compounded rice field Herbicidal combinations |
| CN107683855A (en) * | 2017-09-19 | 2018-02-13 | 浙江天丰生物科学有限公司 | A kind of Herbicidal composition for paddy fields |
| CN108477172A (en) * | 2018-04-19 | 2018-09-04 | 常州大学 | A kind of Herbicidal combinations containing trifluoro ketone grass ether and cyhalofop-butyl |
| CN108760943A (en) * | 2018-08-16 | 2018-11-06 | 山东潍坊润丰化工股份有限公司 | A kind of method of cyhalofop-butyl and pyribenzoxim content in detection complex preparation |
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Application publication date: 20111214 |