CN102907430A - Herbicide composition containing dicamba and clodinafop-propargyl and application thereof - Google Patents
Herbicide composition containing dicamba and clodinafop-propargyl and application thereof Download PDFInfo
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- CN102907430A CN102907430A CN2012104706630A CN201210470663A CN102907430A CN 102907430 A CN102907430 A CN 102907430A CN 2012104706630 A CN2012104706630 A CN 2012104706630A CN 201210470663 A CN201210470663 A CN 201210470663A CN 102907430 A CN102907430 A CN 102907430A
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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 the pesticidal preparations field, relate more specifically to a kind of Herbicidal combinations that contains dicamba, clodinafop-propargyl, be used 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 annual national wheat all has crop smothering in various degree.The economic loss that causes for reducing crop smothering reduces labor intensity, and also because chemical weed control is convenient, quick-acting, the control time is long, weed killer herbicide is accepted by people gradually simultaneously.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 weed killer herbicide product have become study hotspot, to fulfill this requirement, selects the agricultural chemicals of composite mixture just to become the effective way of current first-selection.The objective of the invention is to seek a kind of Herbicidal combinations that broad leaved weed, grassy weed in the wheatland are all had favorable effect.
Dicamba (Dicamba); belong to the benzoic acids weed killer herbicide; has interior suction conduction; be used for spraying behind the seedling; can hinder the normal activity of plant hormone; multiplex in annual and perennial broadleaf weeds of crop Tanaka such as control wheat, corn, Chinese sorghum, asparagus, sugarcanes, hold, corn-bind, lamb's-quarters, ox chickweed, common vetch, broadcast ma wormwood artemisia, Siberian cocklebur, Bao Shuocao, field bindweed, meadow pine, carp intestines etc. such as clearvers, shepherd's purse, amaranth, wartwort, kitchen garden, pivot.Though dicamba can be prevented and kill off most of broad leaved weeds, gramineous plants can not effectively be prevented and kill off grassy weed to the stronger pesticide resistance of dicamba performance.In addition, along with increasing service time, cause weeds that it has been produced certain pesticide resistance, strengthen the field consumption and then can cause poisoning and environmental pollution for reaching good preventive effect.Through a large amount of screenings to the mechanism of action fluorine phenoxy carboxylic acid herbicides different from dicamba, discovery has the conductive clodinafop-propargyl of interior suction, but cauline leaf spraying behind the seedling, be used for cereal crop field and prevent and kill off grassy weed such as Salvia japonica, hard grass, amur foxtail, wild oat, perennial ryegrass, annual bluegrass, green foxtail etc., but the wheat paddock broad leaved weed is prevented heterodyne.Thereby the present invention selects clodinafop-propargyl and dicamba to be re-dubbed mixture, adds appropriate amount of addition agent or carrier, but is prepared into the wetting powder dispersible granule.At present, there is not yet report about dicamba with the relevant composite product of clodinafop-propargyl.
Summary of the invention
The purpose of this invention is to provide a kind of contain dicamba and clodinafop-propargyl can disposablely prevent and kill off the Herbicidal combinations of wheatland broad leaved weed and grassy weed.
Technical scheme of the present invention is:
A kind of Herbicidal combinations is provided, and its active component is comprised of dicamba and the clodinafop-propargyl weight proportion by 1:1 ~ 40:1.
In the described Herbicidal combinations, the weight proportion of dicamba and clodinafop-propargyl two components is preferably 10:1 ~ 20:1.
In the described Herbicidal combinations, described active component accounts for 1 ~ 90% of composition total weight, the auxiliary agent surplus.
In the described Herbicidal combinations, the percentage that described active component accounts for composition total weight is preferably 11 ~ 84%, the auxiliary agent surplus.
Herbicidal combinations of the present invention, can add auxiliary agent and excipients by the former medicine that described active ingredient forms, make upper operable any formulation of agricultural 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 the 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, the 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, in the ester APEO one or more.
Described wetting agent can be selected from that lauryl sodium sulfate, neopelex, alkyl sulfate (for example TERSPERSE2435, U.S. Huntsman Corporation produces), Nekal BX, spaonin powder, tea are withered, in silkworm excrement or the soapberry powder one or more.
Described disintegrant can be selected from one or more in sodium bicarbonate, sodium carbonate, sodium carboxymethylcellulose, ammonium sulfate, urea, succinic acid, glucose or the aluminium chloride.
Described binding agent can be selected from one or more in methylcellulose, polyvinyl alcohol, vinylpyrrolidone, sucrose, starch or the soluble starch.
Described carrier can be selected from one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, potter's clay, atlapulgite or the precipitated calcium carbonate.
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 used in the wheatland postemergence weed control, prevent and kill off the most of broad leaved weeds in field and grassy weed, comprising: clearvers, shepherd's purse, amaranth, wartwort, kitchen garden, pivot hold, corn-bind, lamb's-quarters, ox chickweed, common vetch, broadcast ma wormwood artemisia, 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 from the single-activity composition contrasts, take each active component consumption as criterion calculation, each active component consumption in the described weed killer herbicide is not more than under the prerequisite of each single dose active component consumption in the present invention, the preventive effect of weed killer herbicide of the present invention is higher than single dose, and without cross tolerance, delaying pesticide resistance produces, broad weed-killing spectrum, minimizing is to the pollution of environment, to succession crop safety, a drug can effectively be prevented and kill off broad leaved weed and the grassy weed in the wheatland, reduce the usage amount of agricultural chemicals and used kind, number of times is saved farming season and Nong Ben.
Embodiment
The present invention is further described below in conjunction with embodiment, but can not be considered as limiting the present invention.
(1) prescription and preparation processing embodiment:
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%, being mixed with the quality percentage composition according to the conventional formulation method is 11% water dispersion granule.
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%, being mixed with the quality percentage composition according to the formulation method of routine is 70% water dispersion granule.
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%, being mixed with the quality percentage composition according to the formulation method of routine is 64% water dispersion granule.
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 is withered 5%, precipitated calcium carbonate to 100%, being mixed with the quality percentage composition according to the formulation method of routine is 84% wetting powder.
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%, being mixed with the quality percentage composition according to the formulation method of routine is 80% wetting powder.
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%, being mixed with the quality percentage composition according to the conventional formulation method is 66% wetting powder.
(2) joint toxicity measuring of the present composition and the test of pesticide effectiveness:
1, joint toxicity measuring
Target weeds: broadcast ma wormwood artemisia, amur foxtail
Experimental pharmacy: dicamba, clodinafop-propargyl
Assay method: the indoor pot method, the 3 leaf phases of amur foxtail, broadcast the ma wormwood artemisia and carry out the cauline leaf spraying seedling stage and process; Every basin sprays a series of dosage liquids, and every processing repeats 4 times, and establish do not contain medicament processing in contrast.The examination material places in the greenhouse and cultivates after processing, and the routine observation growing state claims acrial part fresh weight or strain fresh weight behind the 15d, estimate medicament to the toxicity action of target weeds with fresh weight inhibiting rate (%).
Investigation method:
The synergy evaluation method:
Estimate the weed killer herbicide mode of application according to the Gowing method, its formula is as follows:
E
0=X+Y－XY/100
X is weed killer herbicide A fresh weight inhibiting rate to the target weeds under certain dosage in the formula; Y is weed killer herbicide B fresh weight inhibiting rate to the target weeds under certain dosage; E
0For single dose A and B use rear theoretical value to target weeds fresh weight inhibiting rate with; E is that single dose A and B use rear measured value to target weeds fresh weight inhibiting rate with.
Evaluation criterion: work as E-E
0Be expressed as synergistic effect 10% the time, as-10%≤E-E
0Be expressed as summation action in the time of≤10%, work as E-E
0Be expressed as antagonism in the time of＜-10%.
Experimental result:
Table 1. dicamba and clodinafop-propargyl and the combination that is mixed thereof are to broadcasting the joint toxicity measuring result of ma wormwood artemisia
Table 2. dicamba and clodinafop-propargyl and the joint toxicity measuring result of combination to amur foxtail that be mixed thereof
The result shows that dicamba and the clodinafop-propargyl actual preventive effect after composite is higher than it and uses the expectancy theory preventive effect with, and obvious synergistic effect is arranged.
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 evenly cauline leaf sprays.Spray the front all kinds of weeds strain numbers of adding up respectively, 15d adds up respectively the dead strain number of weeds after the dispenser.Control the results are shown in Table 3.Preventive effect is calculated according to following formula:
Preventive effect (%)=1-(the front weeds strain number of ÷ dispenser is counted in the weeds strain after the dispenser) * 100%
Table 3. Herbicidal combinations of the present invention is to the test of pesticide effectiveness of weeds
Result of the test shows: the dicamba single dose to broad leaved weed broadcast the ma wormwood artemisia, lamb's-quarters has favorable effect, and is but substantially invalid to grassy weed amur foxtail, wild oat; The clodinafop-propargyl single dose has favorable effect to grassy weed wild oat, amur foxtail, but it is substantially invalid that broad leaved weed is broadcast ma wormwood artemisia, lamb's-quarters; Behind two kinds of mixture of herbicides to broad leaved weed broadcast ma wormwood artemisia, lamb's-quarters and grassy weed wild oat, amur foxtail all has higher preventive effect, has enlarged the herbicide spectrum; Active constituent content is lower than the summation of two kinds of single dose effective contents in the embodiment consumption, but the preventive effect of weeds is significantly higher than each single dose.
Claims (8)
1. Herbicidal combinations is characterized in that: its active component is comprised of dicamba and the clodinafop-propargyl weight proportion by 1:1 ~ 40:1.
2. Herbicidal combinations claimed in claim 1, it is characterized in that: in the described active component, the weight proportion of dicamba and clodinafop-propargyl is 10:1 ~ 20:1.
3. Herbicidal combinations claimed in claim 1, it is characterized in that: described active component accounts for 1 ~ 90% of composition total weight, the auxiliary agent surplus.
4. Herbicidal combinations claimed in claim 1, it is characterized in that: described active component accounts for 11 ~ 84% of composition total weight, the auxiliary agent surplus.
5. Herbicidal combinations claimed in claim 1, it is characterized in that: described Herbicidal combinations is wetting powder or water dispersible granules.
6. the application of Herbicidal combinations claimed in claim 1 in control of weed in wheat field.
7. application claimed in claim 6 is characterized in that: described application is the application in wheatland seedling Weed Control Effect after Improvement.
8. application claimed in claim 7 is characterized in that: described weeds comprise that clearvers, shepherd's purse, amaranth, wartwort, kitchen garden, pivot hold, corn-bind, lamb's-quarters, ox chickweed, common vetch, broadcast ma wormwood artemisia, 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.
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| CN201210470663.0A CN102907430B (en) | 2012-11-19 | 2012-11-19 | Herbicide composition containing dicamba and clodinafop-propargyl and application thereof |
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| CN201210470663.0A CN102907430B (en) | 2012-11-19 | 2012-11-19 | Herbicide composition containing dicamba and clodinafop-propargyl and application thereof |
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| CN102907430B CN102907430B (en) | 2015-01-07 |
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Cited By (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 |
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| 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 |
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2012
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Patent Citations (2)
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| 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)
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| 谭海军 等: "麦草畏的开发及应用进展综述", 《农药研究与应用》, vol. 14, no. 6, 31 December 2010 (2010-12-31), pages 5 - 9 * |
Cited By (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 |
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| CN102907430B (en) | 2015-01-07 |
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