CN105230644A - Herbicidal composition containing triflusulfuron-methyl and bromoxynil octanoate and applications thereof - Google Patents
Herbicidal composition containing triflusulfuron-methyl and bromoxynil octanoate and applications thereof Download PDFInfo
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- CN105230644A CN105230644A CN201510637981.5A CN201510637981A CN105230644A CN 105230644 A CN105230644 A CN 105230644A CN 201510637981 A CN201510637981 A CN 201510637981A CN 105230644 A CN105230644 A CN 105230644A
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- triflusulfuronmethyl
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Abstract
The invention relates to a herbicidal composition containing triflusulfuron-methyl and bromoxynil octanoate and applications thereof. The herbicidal composition contains triflusulfuron-methyl and bromoxynil octanoate, wherein the weight ratio of triflusulfuron-methyl to bromoxynil octanoate is 1:15-1:50. The herbicidal composition is mainly used to eliminate weeds in corn fields, has the advantages of wide application range, good effect, low cost, and low residue, and is safe for human, cattle, and environment.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations and application, particularly relate to a kind of Herbicidal combinations and the application thereof that contain triflusulfuronmethyl and bromoxynil octanoate, be mainly used in preventing and kill off of corn field weed.
Background technology
Triflusulfuronmethyl (Triflusulfuron-methyl, No. CAS is 126535-15-7) is for being genus sulfonylurea herbicide.Suppress acetolactic acid enzyme (ALS) synthesis of plant, block side chain amino acid biosynthesis, thus affect division and the growth of cell.Broad leaved weed and grassy weed can be prevented and kill off, and be the high post-emergence herbicide of safety.
Bromoxynil octanoate (Bromoxyniloctanoate, CAS 1689-99-2) be cauline leaf process contact killing type weed killer herbicide after a kind of wide spectrum, selectivity seedling, because this product has significant herbicidal performance, can be used for preventing and kill off annual and perennial broadleaf weed, simultaneously, it has higher selectivity to gramineous crop, can be used safely crop each vegetative period, it is widely used in the various crop fields such as wheatland, corn, jowar, sugarcane, flax, onion, prevents and kill off the multiple broad leaved weeds such as knotweed, lamb's-quarters, amaranth, conical silene herb, black nightshade, Siberian cocklebur, field bindweed.
Rational chemical herbicide is joined or mixture has expansion herbicidal spectrum, improves preventive effect, reduces dosage, reduces poisoning, minimizing remains, delays the features such as drug-fast generation and development.On the basis of lab screening and field trial, we filter out triflusulfuronmethyl and bromoxynil octanoate complex preparation, and this is composite has obvious synergistic effect.At present about triflusulfuronmethyl and the composite Herbicidal combinations of bromoxynil octanoate and apply and there is no people at present and reported.
Summary of the invention
An object of the present invention is to overcome above-mentioned deficiency, provides that a kind of herbicidal effect is good, cost is low, herbicidal spectrum is wide and has the Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate of synergistic effect.
Two of object of the present invention is to provide a kind of application containing the Herbicidal combinations Control Weeds in Maize Field of triflusulfuronmethyl and bromoxynil octanoate.
The object of the present invention is achieved like this:
Contain a Herbicidal combinations for triflusulfuronmethyl and bromoxynil octanoate, the active component contained by described composition is triflusulfuronmethyl and bromoxynil octanoate, and the weight ratio of described triflusulfuronmethyl and bromoxynil octanoate is 1-15:1-50.
The preferred weight ratio of described triflusulfuronmethyl and bromoxynil octanoate is 1-10:1-30;
More preferably, the weight ratio of the two is 1-5:1-25;
Most preferred, the weight ratio of the two is 1:20.
Described combination dosage form is any one formulation that agricultural chemicals allows.Such as wetting powder, water dispersible granules, suspending agent, aqueous emulsion or missible oil etc.
Described triflusulfuronmethyl and the percentage by weight of bromoxynil octanoate in above-mentioned formulation are 15 ~ 65%.
Another object of the present invention is to, providing a kind of application containing the Herbicidal combinations of triflusulfuronmethyl and bromoxynil octanoate as above, by described Herbicidal combination for being used for Control Weeds in Maize Field; Preferably, described weeds are: lady's-grass, eleusine indica, barnyard grass, green foxtail, Amaranthus retroflexus, humulus grass, black nightshade, Eclipta prostrata, acalypha copperleaf, ivy glorybind, kitchen garden, lamb's-quarters, Horseweed Herb, pale persicaria, Siberian cocklebur, piemarker, dayflower, corn sow thistle, meadow pine etc.
Be preferred for barnyard grass, lady's-grass, the preventing and kill off of Siberian cocklebur and green foxtail.
Except as otherwise noted, " % " in the application is all weight percentage.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the Herbicidal combinations provided by the invention synergistic effect of doing well in certain ratio range, the herbicidal effect of composition has had than single dose and has significantly improved, reduce Pesticide use dosage and cost simultaneously, decrease residual, also mitigate the harmful effect to environment;
(2) in the present invention, the mechanism of action of two kinds of active components is different, and the application of composition can delay or overcome resistance development, extends the service life of product;
(3) present composition can expand herbicidal spectrum, expands the scope of application.
(4) in the present invention, the active component of composition is all low-toxin farm chemicals, and along with the enforcement of China's forbidding severe toxicity, high-toxic pesticide measure, the present composition will become one of product that alternative high-toxic pesticide is the most suitable.
Embodiment
In order to be that object of the present invention, technical scheme and advantage are clearly understood, the following instantiation of the present invention is described, but the present invention is not limited to these examples.
Herbicidal combinations of the present invention for active ingredient, finds both composite after to various pests have obvious synergistic function, specifically with following biologicall test example be illustrated through indoor bioassay test with triflusulfuronmethyl and bromoxynil octanoate.
Biologicall test example: triflusulfuronmethyl and the composite joint toxicity measuring of bromoxynil octanoate
1, subjects: barnyard grass, lady's-grass, Siberian cocklebur, green foxtail and field thistle
2, test method: with reference to " farm-chemical indoor determination test rule NY/T1155.4-2006 ", adopt potted plant cauline leaf method.
3, data statistic analysis: according to investigation statistics, calculates fresh weight inhibition (%).
Fresh weight inhibition P (%)=(contrast fresh weight-process fresh weight)/process fresh weight × 100%.
Synergy evaluation method:
Evaluate weed killer herbicide mode of application (NY/T1155.7-2006) according to %owin% method, its formula is as follows:
E
0＝X+Y-XY/100
In formula:
X be triflusulfuronmethyl alone with certain dosage time fresh weight inhibition to target weeds;
Y be bromoxynil octanoate alone with certain dosage time fresh weight inhibition to target weeds;
E
0for the theoretical value to target weeds fresh weight inhibition when triflusulfuronmethyl and bromoxynil octanoate two kinds of pharmacy mix;
E be triflusulfuronmethyl and bromoxynil octanoate two kinds of pharmacy mix time measured value to target weeds fresh weight inhibition.
4, evaluation criterion: work as E-E
0synergistic effect is expressed as, as-10% < E-E during > 10%
0be expressed as summation action during < 10%, work as E-E
0antagonism is expressed as during <-10%.
5, results and analysis
The joint toxicity measuring of mixture combination to barnyard grass, lady's-grass, Siberian cocklebur and green foxtail of bromoxynil octanoate, triflusulfuronmethyl and the two different proportion thereof the results are shown in Table 1, table 2, table 3, table 4, table 5, in following table, " pungent " is " bromoxynil octanoate ", and " fluorine " is writing a Chinese character in simplified form of " triflusulfuronmethyl ".
The synergy measurement result of table 1 bromoxynil octanoate and triflusulfuronmethyl barnyard grass
Indoor biometrics result shows: bromoxynil octanoate and triflusulfuronmethyl carry out mixture with 300: 5,250: 10,200: 15,150: 20 and 100: 25 ratios, and it shows as addition or synergistic effect to barnyard grass.Consider anti-better composite divided by 12.5-31.25:1 to barnyard grass of bromoxynil octanoate and triflusulfuronmethyl.
Table 2 bromoxynil octanoate and triflusulfuronmethyl are to the synergy measurement result of lady's-grass
Indoor biometrics result shows: bromoxynil octanoate and triflusulfuronmethyl carry out mixture with 300: 6,250: 8,200: 10,150: 12 and 100: 14 ratios, and it shows as synergistic effect to pungent type nutgrass flatsedge.Consider anti-better composite divided by 12.5-31.25:1 to pungent type nutgrass flatsedge of bromoxynil octanoate and triflusulfuronmethyl.
Table 3 bromoxynil octanoate and triflusulfuronmethyl are to green foxtail synergy measurement result
Indoor biometrics result shows: bromoxynil octanoate and triflusulfuronmethyl carry out mixture with 300: 6,250: 8,200: 10,150: 12 and 100: 14 ratios, and it shows as synergistic effect to lady's-grass.Consider anti-better composite divided by 12.5-31.25:1 to lady's-grass of bromoxynil octanoate and triflusulfuronmethyl.
Table 4 bromoxynil octanoate and triflusulfuronmethyl are to the synergy measurement result of Siberian cocklebur
Indoor biometrics result shows: bromoxynil octanoate and triflusulfuronmethyl carry out mixture with 300: 6,250: 8,200: 10,150: 12 and 100: 14 ratios, and it shows as synergistic effect to green foxtail.Consider anti-better composite divided by 31.25:1 ~ 12.5:1 to green foxtail of bromoxynil octanoate and triflusulfuronmethyl.
Table 5 bromoxynil octanoate and triflusulfuronmethyl are to the synergy measurement result of field thistle
Indoor biometrics result shows: bromoxynil octanoate and triflusulfuronmethyl carry out mixture with 300: 6,250: 8,200: 10,150: 12 and 100: 14 ratios, and it shows as addition or antagonism to field thistle.Do not advise that bromoxynil octanoate and triflusulfuronmethyl mixture are for preventing and kill off field thistle.
Consider result of the test, drug cost and synergy, bromoxynil octanoate and triflusulfuronmethyl are to carry out composite the best between 20:1.
Be described with instantiation below.
Preparation embodiment 1:
Bromoxynil octanoate 20%, triflusulfuronmethyl 1%, cyclohexanedione 10%, soybean oil are added to 100%, is mixed to homogeneous liquid phase, the obtained present composition 21% missible oil.
Preparation embodiment 2:
Triflusulfuronmethyl 2%, bromoxynil octanoate 33%, dodecyl sulphate calcium 5%, sodium lignin sulfonate 3%, organic silicone 1%, potter's clay are added to 100%, through air-flow crushing, extruder grain, the obtained present composition 35% water dispersible granules.
Preparation embodiment 3:
By triflusulfuronmethyl 2.5%, bromoxynil octanoate 25%, dodecyl sodium sulfate 5%, polyoxyethylene nonylphenol ether 4%, xanthans 0.3%, polyethylene glycol 3%, add water to 100%, mixing is through wet grinding, homogenizing, the obtained present composition 27.5% suspending agent.
Preparation embodiment 4:
Triflusulfuronmethyl 3%, bromoxynil octanoate 42%, lauryl sodium sulfate 6%, sodium lignin sulfonate 3%, white carbon 5%, kaolin are added to 100%, mixes and obtain the present composition 45% wetting powder through air-flow crushing.
Preparation embodiment 5:
By triflusulfuronmethyl 0.5%, bromoxynil octanoate 11.5%, 1-METHYLPYRROLIDONE 20%, phenethyl phenol polyethenoxy ether 10%, glycerine 5%, add water to 100%, preparation oil phase, preparation aqueous phase, under high shear, to add in oil phase in oil phase aqueous phase or by aqueous phase, shear the obtained present composition 12% aqueous emulsion.
Field control effectiveness test example
Test medicine: above-mentioned example 1-3.
Contrast medicament: 20% triflusulfuronmethyl water dispersible granules, 10% bromoxynil octanoate wetting powder.
For studying thing: corn, corn grows fine, without other damage by disease and insect.
Prevent and kill off object: barnyard grass, green foxtail, lady's-grass, Siberian cocklebur.
Test method: according to the area of experimental plot, the good various medicament of precise, and after being watered dilution, carry out even spraying with knapsack sprayer.
Within 7 days, 14 days after medicine, weeds death condition is observed respectively after test, and the activity of weeding of more various medicament.Result of the test is in table 6.
Table 6 bromoxynil octanoate and the composite preventive effect to corn field weed of triflusulfuronmethyl
To sum up described in table, the preventive effect of herbicidal composition of the present invention to barnyard grass, lady's-grass, Siberian cocklebur and green foxtail is all significantly higher than the preventive effect of contrast medicament 10% bromoxynil octanoate wetting powder, 20% triflusulfuronmethyl water dispersible granules, in land for growing field crops uses, obvious synergistic effect is had after triflusulfuronmethyl of the present invention and bromoxynil octanoate mixture are described, saved dosage simultaneously, thus save drug cost, expand weed control scope.
A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate of the present invention is described by concrete example, those skilled in the art can use for reference content of the present invention, the pungent joints such as suitable feed change, process conditions realize other object corresponding, its relevant change does not all depart from content of the present invention, all similar replacements and change will become apparent to those skilled in the art that and be all deemed to be included within scope of the present invention.
Claims (9)
1. contain a Herbicidal combinations for triflusulfuronmethyl and bromoxynil octanoate, it is characterized in that, the active component contained by described composition is triflusulfuronmethyl and bromoxynil octanoate, and the weight ratio of described triflusulfuronmethyl and bromoxynil octanoate is 1-15:1-50.
2. Herbicidal combinations according to claim 1, is characterized in that, the weight ratio of described triflusulfuronmethyl and bromoxynil octanoate is 1-10:1-30.
3. Herbicidal combinations according to claim 1, is characterized in that, the weight ratio of described triflusulfuronmethyl and bromoxynil octanoate is 1-5:1-25.
4. Herbicidal combinations according to claim 1, is characterized in that, the weight ratio of described triflusulfuronmethyl and bromoxynil octanoate is 1:20.
5., according to the arbitrary described Herbicidal combinations of Claims 1-4, it is characterized in that, described combination dosage form is wetting powder, water dispersible granules, suspending agent, aqueous emulsion or missible oil.
6. Herbicidal combinations according to claim 5, is characterized in that, described triflusulfuronmethyl and the percentage by weight of bromoxynil octanoate in above-mentioned formulation are 15 ~ 65%.
7. the application of Herbicidal combinations in Control Weeds in Maize Field as described in as arbitrary in Claims 1-4.
8. application according to claim 7, described corn field weed is lady's-grass, eleusine indica, barnyard grass, green foxtail, Amaranthus retroflexus, humulus grass, black nightshade, Eclipta prostrata, acalypha copperleaf, ivy glorybind, kitchen garden, lamb's-quarters, Horseweed Herb, pale persicaria, Siberian cocklebur, piemarker, dayflower, corn sow thistle or meadow pine.
9. application according to claim 7, described corn field weed is barnyard grass, green foxtail, the preventing and kill off of lady's-grass or Siberian cocklebur.
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| CN201510637981.5A CN105230644B (en) | 2015-09-30 | 2015-09-30 | A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate and its application |
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| CN201510637981.5A CN105230644B (en) | 2015-09-30 | 2015-09-30 | A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate and its application |
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| CN105230644B CN105230644B (en) | 2017-10-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003000058A1 (en) * | 2001-06-21 | 2003-01-03 | Bayer Cropscience Ag | Selective herbicides based on pyrimidine derivatives |
| CN101961022A (en) * | 2010-09-16 | 2011-02-02 | 合肥星宇化学有限责任公司 | Herbicidal composition for corn field |
| CN102258045A (en) * | 2011-06-09 | 2011-11-30 | 陕西韦尔奇作物保护有限公司 | Weedicide composition containing rimsulfuron and bromoxynil octanoate |
| CN104106586A (en) * | 2014-06-26 | 2014-10-22 | 广东中迅农科股份有限公司 | Weeding composition containing prosulfuron |
-
2015
- 2015-09-30 CN CN201510637981.5A patent/CN105230644B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003000058A1 (en) * | 2001-06-21 | 2003-01-03 | Bayer Cropscience Ag | Selective herbicides based on pyrimidine derivatives |
| CN101961022A (en) * | 2010-09-16 | 2011-02-02 | 合肥星宇化学有限责任公司 | Herbicidal composition for corn field |
| CN102258045A (en) * | 2011-06-09 | 2011-11-30 | 陕西韦尔奇作物保护有限公司 | Weedicide composition containing rimsulfuron and bromoxynil octanoate |
| CN104106586A (en) * | 2014-06-26 | 2014-10-22 | 广东中迅农科股份有限公司 | Weeding composition containing prosulfuron |
Non-Patent Citations (1)
| Title |
|---|
| 张一宾: "抑制乙酰乳酸合成酶(ALS)除草剂世界市场及品种发展概述", 《现代农药》 * |
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