CN102907430B - Herbicide composition containing dicamba and clodinafop-propargyl and application thereof - Google Patents
Herbicide composition containing dicamba and clodinafop-propargyl and application thereof Download PDFInfo
- Publication number
- CN102907430B CN102907430B CN201210470663.0A CN201210470663A CN102907430B CN 102907430 B CN102907430 B CN 102907430B CN 201210470663 A CN201210470663 A CN 201210470663A CN 102907430 B CN102907430 B CN 102907430B
- Authority
- CN
- China
- Prior art keywords
- clodinafop
- propargyl
- dicamba
- herbicidal combinations
- application
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a herbicide composition. Active ingredients in the composition comprise dicamba and clodinafop-propargyl in a ratio of (1:1)-(40:1). The herbicide composition can be prepared into wettable powder and water-dispersible granules according to the known methods. The herbicide composition has the following advantages: relative to the single agent, on the premise of expanding the weed-controlling spectrum, the herbicide composition delays generation of weed resistance, improves the pesticide effect, has low residues, is safe to wheat and afterreap crops and can control most monocotyledon and dicotyledon weeds in wheat fields once. The invention also provides application of the herbicide composition in controlling weeds in the wheat fields.
Description
Technical field
The present invention relates to field of pesticide preparation, relating more specifically to a kind of Herbicidal combinations containing dicamba, clodinafop-propargyl, for preventing and kill off wheatland broad leaved weed and grassy weed.
Background technology
Wheat is the staple food crop of China, it is reported that the wheat in the annual whole nation all has crop smothering in various degree.For reducing the economic loss that crop smothering causes, reduce labor intensity, simultaneously also because chemical weed control is convenient, quick-acting, the control time is long, weed killer herbicide is gradually by people are accepted.In recent years, along with increasing and the extensive popularization of chemical control technology in agricultural production of weed killer herbicide kind, weed killer herbicide has been widely used in each period of plant growth.At present, exploitation is efficient, low toxicity, low-residual and free of contamination herbicide products become study hotspot, to fulfill this requirement, and the effective way of current first-selection of having selected the agricultural chemicals of composite mixture just to become.The object of the invention is to find and a kind ofly to broad leaved weed, grassy weed in wheatland, all there is the Herbicidal combinations of favorable effect.
Dicamba (Dicamba); belong to benzoic acids weed killer herbicide; there is Uptake and translocation effect; for spraying after seedling; the normal activity of plant hormone can be hindered; be used for the annual and perennial broadleaf weed of crop Tanaka such as control wheat, corn, Chinese sorghum, asparagus, sugarcane etc., as clearvers, shepherd's purse, amaranth, wartwort, kitchen garden, pivot store, corn-bind, lamb's-quarters, ox chickweed, common vetch, Descurainia sophia, Siberian cocklebur, Bao Shuocao, field bindweed, meadow pine, carp intestines etc.Though dicamba can prevent and kill off most of broad leaved weed, the pesticide resistance that gramineous plants is stronger to dicamba performance, effectively can not prevent and kill off grassy weed.In addition, along with service time increases, causing weeds to which creating certain pesticide resistance, strengthening field rate then can cause poisoning and environmental pollution for reaching good preventive effect.Pass through a large amount of screenings to the mechanism of action fluorine phenoxy carboxylic acid herbicides different from dicamba, find the clodinafop-propargyl with Uptake and translocation, can cauline leaf spraying after seedling, grassy weed is prevented and kill off as Salvia japonica, hard grass, amur foxtail, wild oat, perennial ryegrass, annual bluegrass, green foxtail etc. for cereal crop field, but to the anti-heterodyne of wheat paddock broad leaved weed.Thus, the present invention selects clodinafop-propargyl and dicamba to be re-dubbed mixture, adds appropriate amount of addition agent or carrier, is prepared into wetting powder, dispersibles granula.At present, about the relevant compound product of dicamba and clodinafop-propargyl, there is not been reported.
Summary of the invention
The object of this invention is to provide a kind of Herbicidal combinations disposablely can preventing and kill off wheatland broad leaved weed and grassy weed containing dicamba and clodinafop-propargyl.
Technical scheme of the present invention is:
There is provided a kind of Herbicidal combinations, its active component is made up of by the weight proportion of 1:1 ~ 40:1 dicamba and clodinafop-propargyl.
In described Herbicidal combinations, the weight proportion of dicamba and clodinafop-propargyl two component is preferably 10:1 ~ 20:1.
In described Herbicidal combinations, described active component accounts for 1 ~ 90% of composition total weight, adjuncts Balance.
In described Herbicidal combinations, the percentage that described active component accounts for composition total weight is preferably 11 ~ 84%, adjuncts Balance.
Herbicidal combinations of the present invention, the former medicine that can be made up of described active ingredient adds auxiliary agent and excipients, make agriculturally any one formulation operable according to production technology well known by persons skilled in the art, preferred formulation comprises wetting powder, water dispersible granules.
Described auxiliary agent and excipients are selected from one or more the mixture in dispersant, wetting agent, disintegrant, binding agent or carrier.
Described dispersant can be selected from alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, methyl naphthalene sulfonate formaldehyde condensate, naphthalene sulfonic acid-formaldehyde condensation product, aryl phenol polyoxyethylene succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignosulfonates, alkylaryl APEO, aliphatic alcohol polyethenoxy base ether, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, sodium methylene bis-naphthalene sulfonate, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, aliphatic acid polyethenoxy ether, one or more in ester APEO.
Described wetting agent can be selected from that lauryl sodium sulfate, neopelex, alkyl sulfate (such as TERSPERSE2435, Huntsman Corporation of the U.S. produce), Nekal BX, spaonin powder, tea are withered, one or more in silkworm excrement or soapberry powder.
Described disintegrant can be selected from sodium bicarbonate, sodium carbonate, sodium carboxymethylcellulose, ammonium sulfate, urea, succinic acid, glucose or aluminium chloride one or more.
Described binding agent can be selected from methylcellulose, polyvinyl alcohol, vinylpyrrolidone, sucrose, starch or soluble starch one or more.
Described carrier can be selected from kaolin, diatomite, bentonite, attapulgite, white carbon, potter's clay, atlapulgite or precipitated calcium carbonate one or more.
The present invention also provides the application of described Herbicidal combinations in control of weed in wheat field.
Herbicidal combinations of the present invention can be applied in wheatland postemergence weed control, prevent and kill off the most of broad leaved weed in field and grassy weed, comprising: clearvers, shepherd's purse, amaranth, wartwort, kitchen garden, pivot store, corn-bind, lamb's-quarters, ox chickweed, common vetch, Descurainia sophia, Siberian cocklebur, Bao Shuocao, field bindweed, meadow pine, carp intestines, Salvia japonica, hard grass, amur foxtail, wild oat, perennial ryegrass, annual bluegrass, green foxtail etc.
The invention has the advantages that: the single dose made with single-activity composition contrasts, with each active component consumption for criterion calculation, under each active component consumption in the present invention in described weed killer herbicide is not more than the prerequisite of each single dose active component consumption, the preventive effect of weed killer herbicide of the present invention is higher than single dose, and without cross tolerance, delay pesticide resistance to produce, broad weed-killing spectrum, reduce the pollution to environment, to succession crop safety, a drug effectively can prevent and kill off broad leaved weed in wheatland and grassy weed, reduce the usage amount of agricultural chemicals and use kind, number of times, save farming season and Nong Ben.
Embodiment
Below in conjunction with embodiment, the present invention is further described, but can not be considered as limiting the present invention.
(1) formula and FORMULATION PROCESS EXAMPLES:
Embodiment 1:11% clodinafop-propargyl dicamba water dispersible granules (dicamba: clodinafop-propargyl=10:1)
Clodinafop-propargyl 1%, dicamba 10%, methyl naphthalene sulfonate formaldehyde condensate 10%, Nekal BX 5%, sodium carbonate 5%, soluble starch 5%, kaolin to 100%, conveniently formulation method is mixed with the water dispersion granule that mass percentage is 11%.
Embodiment 2:70% clodinafop-propargyl dicamba water dispersible granules (dicamba: clodinafop-propargyl=13:1)
Clodinafop-propargyl 5%, dicamba 65%, alkylnaphthalene sulfonate 10%, lauryl sodium sulfate 5%, sodium carboxymethylcellulose 3%, soluble starch 2%, attapulgite to 100%, formulation method is conveniently mixed with the water dispersion granule that mass percentage is 70%.
Embodiment 3:64% clodinafop-propargyl dicamba water dispersible granules (dicamba: clodinafop-propargyl=15:1)
Clodinafop-propargyl 4%, dicamba 60%, alkyl benzene sulfonate calcium salt 8%, lauryl sodium sulfate 5%, sodium carboxymethylcellulose 3%, vinylpyrrolidone 3%, bentonite to 100%, formulation method is conveniently mixed with the water dispersion granule that mass percentage is 64%.
Embodiment 4:84% clodinafop-propargyl dicamba wetting powder (dicamba: clodinafop-propargyl=20:1)
Clodinafop-propargyl 4%, dicamba 80%, sodium methylene bis-naphthalene sulfonate 7%, tea withered 5%, precipitated calcium carbonate to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 84%.
Embodiment 5:80% clodinafop-propargyl dicamba wetting powder (clodinafop-propargyl: dicamba=15:1)
Clodinafop-propargyl 5%, dicamba 75%, lignosulfonates 7%, neopelex 3%, precipitated calcium carbonate to 100%, formulation method is conveniently mixed with the wetting powder that mass percentage is 80%.
Embodiment 6:66% clodinafop-propargyl dicamba wetting powder (dicamba: clodinafop-propargyl=10:1)
Clodinafop-propargyl 6%, dicamba 60%, alkyl benzene sulfonate calcium salt 8%, spaonin powder 5%, bentonite to 100%, conveniently formulation method is mixed with the wetting powder that mass percentage is 66%.
(2) joint toxicity measuring of the present composition and the test of pesticide effectiveness:
1, joint toxicity measuring
Target weeds: Descurainia sophia, amur foxtail
Experimental pharmacy: dicamba, clodinafop-propargyl
Assay method: indoor pot method, amur foxtail 3 leaf phase, Descurainia sophia carry out cauline leaf spraying process seedling stage; Every basin sprays a series of dosage liquid, often processes repetition 4 times, and establish not containing medicament process in contrast.After process, examination material is placed in greenhouse and cultivates, and routine observation growing state, claims acrial part fresh weight or strain fresh weight after 15d, evaluate the toxicity action of medicament to target weeds with fresh weight inhibition (%).
Investigation method:
Synergy evaluation method:
Evaluate weed killer herbicide mode of application according to Gowing method, its formula is as follows:
E
0=X+Y－XY/100
In formula, X is weed killer herbicide A fresh weight inhibition to target weeds under certain dosage; Y is weed killer herbicide B fresh weight inhibition to target weeds under certain dosage; E
0for single dose A and B use with after theoretical value to target weeds fresh weight inhibition; E is the measured value to target weeds fresh weight inhibition after single dose A and B uses with.
Evaluation criterion: work as E-E
0synergistic effect is expressed as, as-10%≤E-E during >10%
0be expressed as summation action when≤10%, work as E-E
0antagonism is expressed as during <-10%.
Experimental result:
Table 1. dicamba and clodinafop-propargyl and mixture thereof combine the joint toxicity measuring result to Descurainia sophia
Table 2. dicamba and clodinafop-propargyl and mixture thereof combine the joint toxicity measuring result to amur foxtail
Result show dicamba composite with clodinafop-propargyl after actual preventive effect higher than its mixed expectancy theory preventive effect, have obvious synergistic effect.
2, Herbicidal combinations of the present invention is to the test of pesticide effectiveness of weeds
The Herbicidal combinations test of pesticide effectiveness of the present invention is carried out in a wheat paddock, and dispenser period is the weeds 2-4 leaf phase, and even cauline leaf sprays.Add up all kinds of weeds strain number before spraying respectively, after dispenser, 15d adds up the dead strain number of weeds respectively.Control the results are shown in Table 3.Preventive effect calculates according to formula below:
Preventive effect (%)=1-(after dispenser before weeds strain number ÷ dispenser weeds strain number) × 100%
Table 3. Herbicidal combinations of the present invention is to the test of pesticide effectiveness of weeds
Result of the test shows: dicamba single dose has favorable effect to broad leaved weed Descurainia sophia, lamb's-quarters, but substantially invalid to grassy weed amur foxtail, wild oat; Clodinafop-propargyl single dose has favorable effect to grassy weed wild oat, amur foxtail, but substantially invalid to broad leaved weed Descurainia sophia, lamb's-quarters; All there is higher preventive effect to broad leaved weed Descurainia sophia, lamb's-quarters and grassy weed wild oat, amur foxtail after two kinds of mixture of herbicides, expand herbicide spectrum; In embodiment consumption, active constituent content is lower than the summation of two kinds of single dose effective contents, but is significantly higher than each single dose to the preventive effect of weeds.
Claims (6)
1. a Herbicidal combinations, is characterized in that: its active component is made up of by the weight proportion of 10:1,15:1 or 20:1 dicamba and clodinafop-propargyl, and described Herbicidal combinations is wetting powder or water dispersible granules.
2. Herbicidal combinations according to claim 1, is characterized in that: described active component accounts for 1 ~ 90% of composition total weight, adjuncts Balance.
3. Herbicidal combinations according to claim 1, is characterized in that: described active component accounts for 11 ~ 84% of composition total weight, adjuncts Balance.
4. the application of Herbicidal combinations according to claim 1 in control of weed in wheat field.
5. application according to claim 4, is characterized in that: described application is the application in wheatland seedling Weed Control Effect after Improvement.
6. application according to claim 5, is characterized in that: described weeds comprise clearvers, shepherd's purse, amaranth, wartwort, kitchen garden, pivot store, corn-bind, lamb's-quarters, ox chickweed, common vetch, Descurainia sophia, Siberian cocklebur, Bao Shuocao, field bindweed, meadow pine, carp intestines, Salvia japonica, hard grass, amur foxtail, wild oat, perennial ryegrass, annual bluegrass or green foxtail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210470663.0A CN102907430B (en) | 2012-11-19 | 2012-11-19 | Herbicide composition containing dicamba and clodinafop-propargyl and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210470663.0A CN102907430B (en) | 2012-11-19 | 2012-11-19 | Herbicide composition containing dicamba and clodinafop-propargyl and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102907430A CN102907430A (en) | 2013-02-06 |
| CN102907430B true CN102907430B (en) | 2015-01-07 |
Family
ID=47606195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210470663.0A Active CN102907430B (en) | 2012-11-19 | 2012-11-19 | Herbicide composition containing dicamba and clodinafop-propargyl and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102907430B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105379727A (en) * | 2015-07-22 | 2016-03-09 | 南京华洲药业有限公司 | Compound weeding composition containing clodinafop-propargyl and difenzoquat and application thereof |
| CN106472504A (en) * | 2016-10-14 | 2017-03-08 | 佛山海悦智达科技有限公司 | A kind of Mediben complex weedicide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104887A (en) * | 1986-06-12 | 1987-12-23 | 希巴一盖吉股份公司 | (R)-2-[4-(5-chloro-3-fluorine pyridine-2-base oxygen) phenoxy group] the propionic acid propargyl ester the preparation method and as herbicide applications |
| US20120238451A1 (en) * | 2011-03-17 | 2012-09-20 | Monsanto Technology Llc | Herbicide and adjuvant compositions and method of use thereof |
-
2012
- 2012-11-19 CN CN201210470663.0A patent/CN102907430B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104887A (en) * | 1986-06-12 | 1987-12-23 | 希巴一盖吉股份公司 | (R)-2-[4-(5-chloro-3-fluorine pyridine-2-base oxygen) phenoxy group] the propionic acid propargyl ester the preparation method and as herbicide applications |
| US20120238451A1 (en) * | 2011-03-17 | 2012-09-20 | Monsanto Technology Llc | Herbicide and adjuvant compositions and method of use thereof |
Non-Patent Citations (1)
| Title |
|---|
| 麦草畏的开发及应用进展综述;谭海军 等;《农药研究与应用》;20101231;第14卷(第6期);第5-9页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102907430A (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102907451A (en) | Compound herbicide composition containing dicamba and application thereof | |
| CN104145982A (en) | Wheat field weeding composition and medicine preparation thereof | |
| CN104026138B (en) | A kind of Herbicidal combinations containing ring sulphur ketone and isoxadifen | |
| CN104054716A (en) | Weeding composition containing tembotrione | |
| CN102907430B (en) | Herbicide composition containing dicamba and clodinafop-propargyl and application thereof | |
| CN103651481A (en) | Rimsulfuron-containing weeding composition | |
| CN102326573B (en) | Weeding composition containing rimsulfuron | |
| CN102027981A (en) | Herbicidal composition containing nicosulfuron and clopyralid and application thereof | |
| CN102487951B (en) | Wheatland weeding composition and preparation thereof | |
| CN102228035B (en) | Herbicide composition containing bispyribacsodium and oxaziclomefone | |
| CN104041506A (en) | High-efficiency weedicide composition containing tembotrione | |
| CN103548862A (en) | Wheat field herbicide | |
| CN102860314A (en) | Flumetsulam containing weeding composition | |
| CN102461527A (en) | Mixed herbicide composition containing bispyribac-sodium and benthiocarb | |
| CN102365959B (en) | Wheatland weeding composition and preparation thereof | |
| CN102302027B (en) | Herbicidal composition containing florasulam | |
| CN102283234B (en) | Weeding composition containing beflubutamid and sulfonylurea | |
| CN104206400A (en) | Formamido-pyrazosulfuron-methyl and iodosulfuron-methyl sodium composite herbicide | |
| CN102461545B (en) | Hybrid weeding composite containing Bispyribac-sodium and cyclosulfamuron | |
| CN102027919A (en) | Synergistic herbicide composition containing fluroxypyr and pendimethialin and application thereof | |
| CN102461546B (en) | Mixed herbicide composition containing bispyribac-sodium and flucetosulfuron | |
| CN102326557A (en) | Weeding composition containing carfentrazone-ethyl and clopyralid | |
| CN102365960B (en) | Wheatland weeding composition and preparation thereof | |
| CN107711880B (en) | Combination containing fenoxaprop-p-ethyl and diafenthiuron and weeding composition containing combination | |
| CN103004787A (en) | Wettable powder containing diflufenican and oxadiazon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |