CN105211087A - A kind of Herbicidal combinations and application thereof containing triflusulfuronmethyl and atrazine - Google Patents
A kind of Herbicidal combinations and application thereof containing triflusulfuronmethyl and atrazine Download PDFInfo
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- CN105211087A CN105211087A CN201510637610.7A CN201510637610A CN105211087A CN 105211087 A CN105211087 A CN 105211087A CN 201510637610 A CN201510637610 A CN 201510637610A CN 105211087 A CN105211087 A CN 105211087A
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- atrazine
- triflusulfuronmethyl
- herbicidal combinations
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Abstract
The present invention relates to a kind of Herbicidal combinations and the application thereof that contain triflusulfuronmethyl and atrazine.Described composition contains triflusulfuronmethyl and atrazine, and the weight ratio of described triflusulfuronmethyl and atrazine is 1-15:1-50.Said composition is mainly used in preventing and kill off of corn field weed, and said composition is applied widely, effective, cost is low, it is low, safe for human, animal and environment to remain.
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 atrazine, 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.
Atrazine (Atrazine, CAS 1912-24-9) herbicide spectrum is comparatively wide, absorbs and upwards conduct mainly through plant root, suppresses the photosynthesis of weeds, makes it withered.Multiple annual gramineae and broad leaved weed can be prevented and kill off.Be applicable to the dry crops such as corn, Chinese sorghum, sugarcane, fruit tree, nursery, forest land and prevent and kill off lady's-grass, barnyard grass, green foxtail, nutgrass flatsedge, amur foxtail, knotweed, lamb's-quarters, Cruciferae, pulse family weeds, especially there is good selectivity to corn, also have certain inhibitory action to some perennial weed.
Rational chemical herbicide is joined or mixture has expansion herbicidal spectrum, improves preventive effect, extends the optimum period for applying fertilizer, 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 have filtered out triflusulfuronmethyl and atrazine, and this is composite has obvious synergistic effect.At present about triflusulfuronmethyl and atrazine Herbicidal combinations 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 atrazine 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 atrazine.
The object of the present invention is achieved like this:
Contain a Herbicidal combinations for triflusulfuronmethyl and atrazine, the effective active composition contained by described composition is triflusulfuronmethyl and atrazine, and the weight ratio of described triflusulfuronmethyl and atrazine is 1-15:1-50.
The preferred weight ratio of described triflusulfuronmethyl and atrazine is 1-10:1-30;
More preferably, the weight ratio of described triflusulfuronmethyl and atrazine is 5-1:1-25;
Most preferred, the weight ratio of described triflusulfuronmethyl and atrazine is 16:1.
Described combination dosage form is any one formulation that agricultural chemicals allows.Such as wetting powder, water dispersible granules, suspending agent, aqueous emulsion, missible oil or seed coat agent etc.
Described triflusulfuronmethyl and the percentage by weight of atrazine in above-mentioned formulation are 10 ~ 60%.
Another object of the present invention is to, providing a kind of application containing the Herbicidal combinations of triflusulfuronmethyl and atrazine 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 or 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 atrazine.
Biologicall test example: triflusulfuronmethyl and atrazine joint toxicity measuring
1, subjects: barnyard grass, lady's-grass, Siberian cocklebur, green foxtail and the rhizome of nutgrass flatsedge
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 Gowing 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 atrazine alone with certain dosage time fresh weight inhibition to target weeds;
E0 be triflusulfuronmethyl and atrazine two kinds of pharmacy mix time theoretical value to target weeds fresh weight inhibition;
E be triflusulfuronmethyl and atrazine 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 atrazine, 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, " green bristlegrass " is " atrazine ", and " fluorine " is writing a Chinese character in simplified form of " triflusulfuronmethyl ".
The synergy measurement result of table 1 atrazine and triflusulfuronmethyl barnyard grass
Indoor biometrics result shows: atrazine and triflusulfuronmethyl carry out mixture with 80: 14,120: 12,160: 10,200: 8 and 240: 6 ratios, and it shows as addition or synergistic effect to barnyard grass.Consider anti-better composite divided by 10-25:1 to barnyard grass of atrazine and triflusulfuronmethyl.
Table 2 atrazine and triflusulfuronmethyl are to the synergy measurement result of lady's-grass
Indoor biometrics result shows: atrazine and triflusulfuronmethyl carry out mixture with 80: 14,120: 12,160: 10,200: 8 and 240: 6 ratios, and it shows as synergistic effect to green bristlegrass type nutgrass flatsedge.Consider anti-better composite divided by 10-25:1 to green bristlegrass type nutgrass flatsedge of atrazine and triflusulfuronmethyl.
Table 3 atrazine and triflusulfuronmethyl are to green foxtail synergy measurement result
Indoor biometrics result shows: atrazine and triflusulfuronmethyl carry out mixture with 80: 14,120: 12,160: 10,200: 8 and 240: 6 ratios, and it shows as synergistic effect to lady's-grass.Consider anti-better composite divided by 10-25:1 to lady's-grass of atrazine and triflusulfuronmethyl.
Table 4 atrazine and triflusulfuronmethyl are to the synergy measurement result of Siberian cocklebur
Indoor biometrics result shows: atrazine and triflusulfuronmethyl carry out mixture with 80: 14,120: 12,160: 10,200: 8 and 240: 6 ratios, and it shows as synergy or summation action to green foxtail.Consider anti-better composite divided by 10-25:1 to green foxtail of atrazine and triflusulfuronmethyl.
Table 5 atrazine and triflusulfuronmethyl are to the synergy measurement result of the rhizome of nutgrass flatsedge
Indoor biometrics result shows: atrazine and triflusulfuronmethyl carry out mixture with 80: 14,120: 12,160: 10,200: 8 and 240: 6 ratios, and it shows as antagonism or summation action to the rhizome of nutgrass flatsedge.Do not advise that atrazine and triflusulfuronmethyl mixture are for preventing and kill off the rhizome of nutgrass flatsedge.
Consider result of the test, drug cost and synergy, atrazine and triflusulfuronmethyl are to carry out composite the best between 16:1.
Be described with instantiation below.
Preparation embodiment 1:
Atrazine 30%, triflusulfuronmethyl 2%, green bristlegrass acetyl butyryl 10%, vegetable oil are added to 100%, is mixed to homogeneous liquid phase, the obtained present composition 32% missible oil.
Preparation embodiment 2:
Triflusulfuronmethyl 2%, atrazine 32%, sodium methylene bis-naphthalene sulfonate 5%, sodium lignin sulfonate 3%, organic silicone 1%, white carbon are added to 100%, through air-flow crushing, extruder grain, the obtained present composition 34% water dispersible granules.
Preparation embodiment 3:
By triflusulfuronmethyl 2%, atrazine 28%, dodecyl sodium sulfate 5%, polyoxyethylene nonylphenol ether 4%, xanthans 0.3%, polyethylene glycol 3%, add water to 100%, mix through wet grinding, homogenizing, the obtained present composition 30% suspending agent.
Preparation embodiment 4:
Triflusulfuronmethyl 5%, atrazine 50%, polyoxyethylene carboxylate 6%, sodium lignin sulfonate 3%, white carbon 5%, diatomite are added to 100%, mixes and obtain the present composition 55% wetting powder through air-flow crushing.
Preparation embodiment 5:
By triflusulfuronmethyl 0.5%, atrazine 7.5%, 1-METHYLPYRROLIDONE 20%, phenethyl phenol polyethenoxy ether 10%, ethylene glycol 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 8% aqueous emulsion.
Field control effectiveness test example
Test medicine: above-mentioned example 1-3.
Contrast medicament: 20% triflusulfuronmethyl water dispersible granules, 10% atrazine 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 5.
Table 5 atrazine 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% atrazine 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 atrazine mixture are described, saved dosage simultaneously, thus save drug cost, expand weed control scope.
A kind of Herbicidal combinations containing triflusulfuronmethyl and atrazine of the present invention is described by concrete example, those skilled in the art can use for reference content of the present invention, the green bristlegrass 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 atrazine, it is characterized in that, the effective active composition of described composition is triflusulfuronmethyl and atrazine, and the weight ratio of described triflusulfuronmethyl and atrazine is 1-15:1-50.
2. Herbicidal combinations according to claim 1, is characterized in that, the weight ratio of described triflusulfuronmethyl and atrazine is 1-10:1-30.
3. Herbicidal combinations according to claim 1, is characterized in that, the weight ratio of described triflusulfuronmethyl and atrazine is 5-1:1-25.
4. Herbicidal combinations according to claim 1, is characterized in that, the weight ratio of described triflusulfuronmethyl and atrazine is 1:16.
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 atrazine in above-mentioned formulation are 10 ~ 60%.
7. the Herbicidal combinations as described in as arbitrary in Claims 1-4 is used for the application of Control Weeds in Maize Field.
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, lady's-grass or Siberian cocklebur.
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| CN1050383A (en) * | 1988-03-24 | 1991-04-03 | 纳幕尔杜邦公司 | The fluorine-containing alcoxyl aminotriazine composition that is used for control of weeds in sugar beets |
| CN1142894A (en) * | 1996-07-03 | 1997-02-19 | 化学工业部沈阳化工研究院 | Sulfonylurea herbicide mixed agent and its use |
| CN1187298A (en) * | 1998-01-19 | 1998-07-15 | 张家口市宣化农药厂 | Compound herbicide |
| CN1977603A (en) * | 2005-12-02 | 2007-06-13 | 正邦集团有限公司 | Herbicide composition |
| CN101617675A (en) * | 2008-07-02 | 2010-01-06 | 山东滨农科技有限公司 | Herbicide composition |
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| CN1050383A (en) * | 1988-03-24 | 1991-04-03 | 纳幕尔杜邦公司 | The fluorine-containing alcoxyl aminotriazine composition that is used for control of weeds in sugar beets |
| CN1142894A (en) * | 1996-07-03 | 1997-02-19 | 化学工业部沈阳化工研究院 | Sulfonylurea herbicide mixed agent and its use |
| CN1187298A (en) * | 1998-01-19 | 1998-07-15 | 张家口市宣化农药厂 | Compound herbicide |
| CN1977603A (en) * | 2005-12-02 | 2007-06-13 | 正邦集团有限公司 | Herbicide composition |
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