CN105230644B - A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate and its application - Google Patents
A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate and its application Download PDFInfo
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- CN105230644B CN105230644B CN201510637981.5A CN201510637981A CN105230644B CN 105230644 B CN105230644 B CN 105230644B CN 201510637981 A CN201510637981 A CN 201510637981A CN 105230644 B CN105230644 B CN 105230644B
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- triflusulfuronmethyl
- bromoxynil octanoate
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- herbicidal combinations
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Abstract
The present invention relates to a kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate and its application.The composition contains triflusulfuronmethyl and bromoxynil octanoate, and the weight ratio of the triflusulfuronmethyl and bromoxynil octanoate is 1 15:1‑50.Said composition is mainly used in preventing and kill off for corn field weed, and said composition is applied widely, effect is good, cost is low, residual is low, safe for human, animal and environment.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations and application, more particularly to it is a kind of containing triflusulfuronmethyl and bromoxynil octanoate
Herbicidal combinations and its application, are mainly used in preventing and kill off for corn field weed.
Background technology
Triflusulfuronmethyl (Triflusulfuron-methyl, No. CAS is 126535-15-7) category sulfonylurea herbicide.Its
The mechanism of action is to suppress acetolactic acid enzyme (ALS) synthesis of plant, side chain amino acid biosynthesis is blocked, so as to influence cell
Division and growth.Broad leaved weed and grassy weed can be prevented and kill off, and is safe post-emergence herbicide.
Bromoxynil octanoate (Bromoxynil octanoate, CAS 1689-99-2) is a kind of wide spectrum, selective after seedling
Cauline leaf process contact killing type herbicide, it is annual and perennial wealthy available for preventing and kill off because the product has significant herbicidal performance
Leaf weeds, meanwhile, it has higher selectivity to gramineous crop, can be used safely in each growth period of crop, it is extensive
For the various crop such as wheatland, corn, jowar, sugarcane, flax, onion field, prevent and kill off knotweed, lamb's-quarters, amaranth, conical silene herb, black nightshade, Siberian cocklebur,
A variety of broad leaved weeds such as field bindweed.
Rational chemical herbicide compounding or mixture, which have, expands herbicidal spectrum, improves preventive effect, reduces dosage, reduction
Poisoning, reduction remain, delay the features such as drug-fast generation is with development.On the basis of screening indoors and field test, we
Triflusulfuronmethyl and bromoxynil octanoate complex preparation are filtered out, the compounding has obvious synergistic effect.At present on triflusulfuronmethyl
The Herbicidal combinations and application compounded with bromoxynil octanoate there is no people to report at present.
The content of the invention
An object of the present invention be to overcome it is above-mentioned it is not enough there is provided a kind of herbicidal effect is good, cost is low, herbicidal spectrum is wide and
The Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate with synergistic effect.
The second object of the present invention is that providing a kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate prevents and kill off
The application of corn field weed.
The object of the present invention is achieved like this：
A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate, the active component contained by the composition is
Triflusulfuronmethyl and bromoxynil octanoate, the weight ratio of the triflusulfuronmethyl and bromoxynil octanoate is 1-15:1-50.
The preferred weight ratio of the triflusulfuronmethyl and bromoxynil octanoate is 1-10:1-30；
It is highly preferred that the weight ratio of the two is 1-5:1-25；
Most preferably, the weight ratio of the two is 1：20.
The combination dosage form is any one formulation allowed on agricultural chemicals.Such as wettable powder, water dispersible granules, outstanding
Floating agent, aqueous emulsion or missible oil etc..
The percentage by weight of the triflusulfuronmethyl and bromoxynil octanoate in above-mentioned formulation is 15~65%.
Another object of the present invention is to there is provided a kind of weeding as described above containing triflusulfuronmethyl and bromoxynil octanoate
The application of composition, is for Control Weeds in Maize Field by the Herbicidal combination；Preferably, the weeds are：Lady's-grass, Cowhells
Grass, barnyard grass, green bristlegrass, Amaranthus retroflexus, humulus grass, black nightshade, Eclipta prostrata, acalypha copperleaf, ivy glorybind, purslane, lamb's-quarters, Horseweed Herb, pale persicaria,
Siberian cocklebur, piemarker, dayflower, sowthistle, meadow pine etc..
It is preferred for preventing and kill off for barnyard grass, lady's-grass, Siberian cocklebur and green bristlegrass.
Unless otherwise indicated, " % " in the application is weight percentage.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) synergistic effect that the Herbicidal combinations that the present invention is provided are done well in certain ratio range, composition
Herbicidal effect is obviously improved than single dose, while reducing Pesticide use dosage and cost, reduces residual, is also mitigated pair
The harmful effect of environment；
(2) mechanism of action of two kinds of active components is different in the present invention, and the application of composition can delay or overcome resistance
Development, extends the service life of product；
(3) present composition can expand herbicidal spectrum, and expansion uses scope.
(4) active component of composition is all low-toxin farm chemicals in the present invention, as China disables severe toxicity, high-toxic pesticide measure
Implementation, the present composition will be into substituting one of high-toxic pesticide product the most suitable.
Embodiment
In order to which the objects, technical solutions and advantages of the present invention are more clearly understood, the present invention is entered with following instantiation
Row explanation, but the present invention is not limited to these examples.
The Herbicidal combinations of the present invention are tested using triflusulfuronmethyl and bromoxynil octanoate as active ingredient through indoor bioassay
It was found that, both have obvious synergistic function to various pests after compounding, and are specifically said with following biologicall test example
It is bright.
Biologicall test example：Triflusulfuronmethyl and bromoxynil octanoate compounding joint toxicity measuring
1st, subjects：Barnyard grass, lady's-grass, Siberian cocklebur, green bristlegrass and field thistle
2nd, test method：Reference《Farm-chemical indoor determination test rule NY/T1155.4-2006》, using potted plant cauline leaf
Method.
3rd, data statistic analysis：According to investigation statisticses, fresh weight inhibition (%) is calculated.
Fresh weight inhibition P (%)=(control fresh weight-processing fresh weight)/processing fresh weight × 100%.
Synergy evaluation method：
The reasonability of herbicide mode of application and proportioning is evaluated according to Gowing methods
(NY/T1155.7-2006), its formula is as follows：
E0=X+Y-XY/100
In formula：
X be triflusulfuronmethyl with certain dosage when alone to the fresh weight inhibitions of target weeds；
Y be bromoxynil octanoate with certain dosage when alone to the fresh weight inhibitions of target weeds；
E0To the theoretical value of target weeds fresh weight inhibition during for triflusulfuronmethyl and two kinds of pharmacy mix of bromoxynil octanoate；
To the measured value of target weeds fresh weight inhibition when E is triflusulfuronmethyl and two kinds of pharmacy mix of bromoxynil octanoate.
4th, evaluation criterion：Work as E-E0Synergistic effect is expressed as during ＞ 10%, as -10% ＜ E-E0Phase is expressed as during ＜ 10%
Plus effect, work as E-E0Antagonism is expressed as during ＜ -10%.
5th, result and analysis
The mixture of bromoxynil octanoate, triflusulfuronmethyl and its two different proportion is combined to barnyard grass, lady's-grass, Siberian cocklebur, green bristlegrass
The results are shown in Table " pungent " in 1, table 2, table 3, table 4, table 5, following table with the joint toxicity measuring of field thistle is " bromoxynil octanoate ", " fluorine "
For writing a Chinese character in simplified form for " triflusulfuronmethyl ".
The bromoxynil octanoate of table 1 and the synergy measurement result of triflusulfuronmethyl barnyard grass
Indoor biometricses result shows：Bromoxynil octanoate is with triflusulfuronmethyl with 300: 6,250: 8,200: 10,150: 12 and 100
: 14 ratios carry out mixture, and it shows as being added or synergistic effect to barnyard grass.Bromoxynil octanoate is considered with triflusulfuronmethyl to barnyard grass
Grass anti-divided by 12.5~50:1 compounding is preferable.
The bromoxynil octanoate of table 2 and synergy measurement result of the triflusulfuronmethyl to lady's-grass
Indoor biometricses result shows：Bromoxynil octanoate compares with triflusulfuronmethyl with 300: 6,250: 8,200: 10 and 150: 12
Example carries out mixture, and it shows as synergistic effect to lady's-grass；100: 14 ratios carry out mixture, and it shows as summation action to lady's-grass.
Bromoxynil octanoate and triflusulfuronmethyl are considered to lady's-grass anti-divided by 12.5~50:1 compounding is preferable.
The bromoxynil octanoate of table 3 is with triflusulfuronmethyl to green bristlegrass synergy measurement result
Indoor biometricses result shows：Bromoxynil octanoate and triflusulfuronmethyl carry out mixture with 100: 14,300: 6 ratios, and its is right
Green bristlegrass shows as summation action；250: 8,200: 10 and 150: 12 ratios carry out mixture, and it shows as synergy work to green bristlegrass
With.Bromoxynil octanoate and triflusulfuronmethyl are considered to green bristlegrass anti-divided by 12.5~31.25:1 compounding is preferable.
The bromoxynil octanoate of table 4 and synergy measurement result of the triflusulfuronmethyl to Siberian cocklebur
Indoor biometricses result shows：Bromoxynil octanoate and triflusulfuronmethyl carry out mixture with 300: 6,100: 14 ratios, and its is right
Siberian cocklebur shows as synergy and compared；250: 8,200: 10 and 150: 12 ratios carry out mixture, and it shows as synergistic effect to Siberian cocklebur.It is comprehensive
Close and consider bromoxynil octanoate and triflusulfuronmethyl to Siberian cocklebur anti-divided by 31.25:1~12.5:1 compounding is preferable.
The bromoxynil octanoate of table 5 and synergy measurement result of the triflusulfuronmethyl to field thistle
Indoor biometricses result shows：Bromoxynil octanoate is with triflusulfuronmethyl with 300: 6,250: 8,200: 10,150: 12 and 100
: 14 ratios carry out mixture, and it shows as being added or antagonism to field thistle.It is not recommended that bromoxynil octanoate and triflusulfuronmethyl mixture
For being prevented and kill off to field thistle.
Consider result of the test, drug cost and synergy, bromoxynil octanoate is with triflusulfuronmethyl with 20:Enter between 1
Row compounding is optimal.
Illustrated below with instantiation.
Prepare embodiment 1：
Bromoxynil octanoate 20%, triflusulfuronmethyl 1%, cyclohexanedione 10%, soybean oil are added to 100%, mixed to uniform
Liquid phase, is made the missible oil of the present composition 21%.
Prepare embodiment 2：
By triflusulfuronmethyl 2%, bromoxynil octanoate 33%, dodecyl sulphate calcium 5%, sodium lignin sulfonate 3%, organosilicon
Ketone 1%, clay add to 100%, through air-flow crushing, extruder grain, and the water dispersible granules of the present composition 35% are made.
Prepare embodiment 3：
By triflusulfuronmethyl 2.5%, bromoxynil octanoate 25%, dodecyl sodium sulfate 5%, NPE 4%,
Xanthans 0.3%, polyethylene glycol 3%, add water to 100%, the present composition is made through wet grinding, homogenizing in mixing
27.5% suspending agent.
Prepare embodiment 4：
By triflusulfuronmethyl 3%, bromoxynil octanoate 42%, lauryl sodium sulfate 6%, sodium lignin sulfonate 3%, white carbon
5%th, kaolin adds to 100%, and the wettable powder of the present composition 45% is made through air-flow crushing in mixing.
Prepare embodiment 5：
By triflusulfuronmethyl 0.5%, bromoxynil octanoate 11.5%, 1-METHYLPYRROLIDONE 20%, phenethyl phenol polyoxyethylene
Ether 10%, glycerine 5%, add water to 100%, prepare oil phase, prepare aqueous phase, under high shear, by oil phase aqueous phase or
Person adds aqueous phase in oil phase, and the aqueous emulsion of the present composition 12% is made in shearing.
Field control effectiveness test example
Test medicine：Examples detailed above 1-3.
Comparison medicament：20% triflusulfuronmethyl water dispersible granules, 10% bromoxynil octanoate wettable powder.
For studying thing：Corn, corn grows fine, without other pest and disease damages.
Control object：Barnyard grass, green bristlegrass, lady's-grass, Siberian cocklebur.
Test method：According to the area of experimental plot, the good various medicaments of precise, and be watered after dilution, use backpack
Sprayer carries out even spraying.
After experiment respectively 7 days after medicine, 14 days observation weeds death conditions, and the activity of weeding of relatively more various medicaments.Examination
Test and the results are shown in Table 6.
The bromoxynil octanoate of table 6 compounds the preventive effect to corn field weed with triflusulfuronmethyl
To sum up described in table, herbicidal composition of the invention is significantly high to barnyard grass, lady's-grass, Siberian cocklebur and the preventive effect of green bristlegrass
In the preventive effect of the bromoxynil octanoate wettable powder of comparison medicament 10%, 20% triflusulfuronmethyl water dispersible granules, illustrate the present invention's
Triflusulfuronmethyl in crop field after bromoxynil octanoate mixture with having obvious synergistic effect, while dosage has been saved, so that
Drug cost is saved, weed control scope is expanded.
A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate of the present invention are entered by specific example
Description is gone, those skilled in the art can use for reference present invention, the pungent section such as appropriate feed change, process conditions is corresponding to realize
Other purposes, its correlation change all without departing from present disclosure, all similar replacements and change for this area skill
It is it will be apparent that being considered as being included within the scope of the present invention for art personnel.
Claims (2)
1. a kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate are preparing the application in preventing and kill off lady's-grass medicine, it is special
Levy and be, the mass ratio of triflusulfuronmethyl and bromoxynil octanoate is 6: 300.
2. application according to claim 1, it is characterised in that the formulation of composition is wettable powder, water dispersible granules,
Suspending agent, aqueous emulsion, or missible oil.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510637981.5A CN105230644B (en) | 2015-09-30 | 2015-09-30 | A kind of Herbicidal combinations containing triflusulfuronmethyl and bromoxynil octanoate and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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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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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10129856A1 (en) * | 2001-06-21 | 2003-01-02 | Bayer 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 |
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Granted publication date: 20171003 Termination date: 20180930 |