CN104472523A - Weeding composition containing rimsulfuron, metribuzin and clethodim - Google Patents
Weeding composition containing rimsulfuron, metribuzin and clethodim Download PDFInfo
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- CN104472523A CN104472523A CN201410724642.6A CN201410724642A CN104472523A CN 104472523 A CN104472523 A CN 104472523A CN 201410724642 A CN201410724642 A CN 201410724642A CN 104472523 A CN104472523 A CN 104472523A
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- Prior art keywords
- clethodim
- rimsulfuron
- piperazine humulone
- herbicidal combinations
- metribuzin
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Abstract
The invention relates to a weeding composition containing rimsulfuron, metribuzin and clethodim. The weeding composition comprises the effective components of rimsulfuron, metribuzin and clethodim. Weed killers have a synergistic interaction function, and the effect of the weed killers for preventing and killing annual weeds in a potato field is obviously superior to that of each singly-used dosage, so that the a herbicide controlling spectrum is enlarged, the pesticide dosage is reduced, the production of herbicide resistance weeds is slowed, and the pollution to environment is alleviated.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations containing rimsulfuron and piperazine humulone and clethodim, is with rimsulfuron, piperazine humulone and clethodim for active ingredient, for preventing and treating potato fields annual weed.
Background technology
Chemical method weeding is agriculturally one of Main Means controlling weeds.Due to the single use of some weed killer herbicide kinds, a lot of weeds are caused to develop immunity to drugs.Meanwhile, grass when weeds occur is mutually complicated, and multiple weeds are mixed raw, and single variety weed killer herbicide uses can not solve farmland weed, all can show defect in a certain respect and limitation.Variety classes weed killer herbicide mixture, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, time and labour saving advantage.
Rimsulfuron is amino acid compound inhibitor, by suppressing the biosynthesis of necessary valine and isoleucine thus making Cell Differentiation and plant growth stop, absorbed by root leaf, conduct to meristematic tissue very soon, this medicine can effectively prevent and kill off most of annual and perennial weeds such as corn field, potato fields, Tobacco Farm.
Piperazine humulone plays removing activity by suppressing the photosynthesis of sensitive plant, after dispenser, each susceptible weeds sprouting is emerged unaffected, to emerge rear blade chlorisis, last nutrition is exhausted and dead, conducted to top with transpiration current by weeds Root Absorption, also can be absorbed by blade and do limited conduction in vivo, can be used as sprouting front or sprouting post processing, prior to seeding or after planting seedling previous crops soil treatment, soil has the absorption that suitable humidity is conducive to root, if antecedent soil moisture should after dispenser shallow mixed soil, more remarkable as seedling post processing herbicidal effect
Clethodim is inner sucting conduction type cauline leaf inorganic agent, has excellent selectivity, has very strong lethal effect to grassy weed, to dicotyledonous crops safety.Absorb rapidly through leaf after cauline leaf process, be transmitted to meristematic tissue, in sensitive plant, suppress the biosynthesis of branched chain fatty acid and flavonoids and work, its cell division is destroyed, suppresses the merismatic activity of plant, plant strain growth is delayed, after dispenser, in 1-3 week, plant moves back green necrosis, burn with posterior lobe withered and dead, to most of annual, perennial grassy weed is effective.Can degrade rapidly in resistant plant, form polarity, and rapid loss of activity, the very little or non-activity to dicotyledon, nutgrass flatsedge activity.
Variety classes weed killer herbicide mixture, have herbicidal spectrum wide, promote actual effect, delay herbicide resistance, time and labour saving advantage.Being screened by formulation of pesticide, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay disease, worm, the drug-fast generation of crop smothering, is the important means that agricultural synthesis is administered.The recipe determination of the present inventor to rimsulfuron, piperazine humulone and clethodim conducts in-depth research, find that rimsulfuron, piperazine humulone and clethodim carry out mixture, there is synergistic effect in certain mixed ratio scope to potato fields annual weed, after further study, complete the present invention.
Summary of the invention
The object of the invention is to solve in prior art to farmland weed develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to the Herbicidal combinations of the farmland weed comprehensive regulation.
Another object of the present invention is used for preventing and kill off farmland weed by this Herbicidal combinations, is particularly useful for preventing and kill off potato fields annual weed etc.
Technical scheme of the present invention is: the Herbicidal combinations containing rimsulfuron and piperazine humulone and clethodim, active ingredient is rimsulfuron, piperazine humulone, clethodim, the percentage by weight of rimsulfuron in Herbicidal combinations is 0.1% ~ 20%, the percentage by weight of piperazine humulone in weed killer herbicide is 0.1% ~ 20%, the percentage by weight of clethodim in weed killer herbicide is 0.1% ~ 20%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described Herbicidal combinations can according to well known to a person skilled in the art method, the application forms selected suitable pesticidal preparations auxiliary element, suspending agent can be processed into, dispersible oil-suspending agent, the applicable agricultural production such as wetting powder or water dispersible granules uses.
The auxiliary element that the present invention uses comprises wetting agent, stabilizing agent, dispersant, disintegrant, thickener, pH adjusting agent, defoamer, antifreezing agent, filler etc., be all auxiliary agent conventional in Pesticide formulation, concrete composition and consumption are determined by test according to recipe requirements.
Herbicidal combinations provided by the invention, is applicable to prevent and kill off potato fields annual weed.
The frequency of administration of composition provided by the invention and amount of application change with crops, weeds, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Product described in the invention can the form of finished product preparation provide, and namely in composition, each material mixes, and the composition of composition also can the form of single dose provide, and directly mixes in tank or bucket, be then diluted to required concentration before using.
Compared with prior art, the invention has the advantages that:
1, Herbicidal combinations of the present invention has obvious synergistic function, uses than single dose or binary built the control efficiency significantly improved weeds, expands herbicide spectrum, decreases Pesticide use amount, reduce use cost, alleviate the pollution to environment.
2, the Herbicidal combinations active ingredient mechanism of action of the present invention is different, can delay the generation of herbicide resistance.
Embodiment
In order to understand essence of the present invention better; below in conjunction with embodiment, content of the present invention is described further; but can not limitation of the present invention be considered as; the following stated is only for explaining the present invention; for not departing from amendment that the present invention's spirit and principle make, replacement or improvement, all belong to the scope of protection of present invention.
Example of formulations 1:32% rimsulfuron piperazine humulone clethodim suspending agent.
Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 32% rimsulfuron piperazine humulone clethodim suspending agent of allotment after high shear mixing.
Example of formulations 2:24% rimsulfuron piperazine humulone clethodim dispersibles oil-suspending agent.
By above-mentioned formula Central Plains medicine, solvent, emulsifiers dissolve uniformly oil phase; Under high velocity agitation, the obtained 24% rimsulfuron piperazine humulone clethodim of mixing dispersibles oil-suspending agent.
Example of formulations 3:50% rimsulfuron piperazine humulone clethodim wetting powder.
Mix entering in blender after above-mentioned formula in proportion coarse crushing, more namely obtain 50% rimsulfuron piperazine humulone clethodim wetting powder after air-flow crushing.
Example of formulations 4:80% rimsulfuron piperazine humulone clethodim water dispersible granules.
By above-mentioned formula dry pulverization process, granulation, drying, the obtained 80% rimsulfuron piperazine humulone clethodim water dispersible granules of screening preparation in proportion.
Assays Example 1: Toxicity Determination is tested.
Drug solution preparing: accurately take the former medicine of 0.0042g rimsulfuron 99%, dissolve with 0.2mL DMF, add the aqueous solution 999.8mL containing 0.1%Tween80 emulsifier, stir, be mixed with 4.2g.a.i./ha solution, then with clear water be diluted to 2.1,1.8,1.5,1.2,0.9g.a.i./ha concentration is for subsequent use.Accurately take the former medicine of 0.0189g clethodim 95%, dissolve with 0.2mL DMF, add the aqueous solution 999.8mL containing 0.1%Tween80 emulsifier, stir, be mixed with clethodim 18g.a.i./ha solution, then it is for subsequent use to be diluted to 9,7,5,3,1 g.a.i./ha concentration with clear water.Accurately take the former medicine of 0.0210g clethodim 95%, dissolve with 0.2mL DMF, add the aqueous solution 999.8mL containing 0.1%Tween80 emulsifier, stir, be mixed with clethodim 20g.a.i./ha solution, then it is for subsequent use to be diluted to 10,8,6,4,2 g.a.i./ha concentration with clear water.
Test method: adopt potted plant cauline leaf spray-on process (NY/T 1155.4-2006): at high 6cm, the in-built quantitative soil of porcelain alms bowl of diameter 9cm, will for 15 ~ 20 sowings of examination target weed seed in porcelain alms bowl, be placed in greenhouse after the fine earth of lid 0.5 ~ 1cm and cultivate, treat green foxtail, lady's-grass, lamb's-quarters and pale persicaria grew to for 2 ~ 4 leaf phases, carry out cauline leaf spraying process, every porcelain alms bowl quantitatively sprays 1ml, often process and repeat for 4 times, and set the process not containing medicament as contrasting, after process, examination material is placed in greenhouse and cultivates, the growing state of routine observation target weeds, target damage symptoms and growth inhibition situation is estimated after 15d, and claim acrial part fresh weight, medicament is evaluated to the toxicity action of target weeds with target fresh weight inhibition.
Investigation method: estimate target damage symptoms and growth inhibition situation after test process 15d, and claim acrial part fresh weight, calculate fresh weight inhibition (%).
Synergy evaluation method: evaluate weed killer herbicide associated form (NY/T1155.7-2006) according to Colby method, its formula is as follows:
In formula: A be rimsulfuron alone with certain dosage time fresh weight inhibition to target weeds; B be piperazine humulone alone with certain dosage time fresh weight inhibition to target weeds; C be clethodim alone with certain dosage time fresh weight inhibition to target weeds; N is the weed killer herbicide kind number of mixture; E
0for the theoretical value to target weeds fresh weight inhibition when rimsulfuron, piperazine humulone, clethodim three kinds of pharmacy mix; E is rimsulfuron, piperazine humulone, clethodim three kinds of pharmacy mix time to target weeds fresh weight inhibition be contrast measured value.
Evaluation criterion: work as E
0during ﹣ E > 10%, be expressed as synergistic effect; As ﹣ 10%≤E
0during ﹣ E≤10%, show as summation action; Work as E
0during ﹣ E, show as antagonism.
Found out by table 1, table 2, the combination of rimsulfuron, piperazine humulone and clethodim respectively processes right ﹣ 10%≤E to green foxtail, lamb's-quarters
0﹣ E≤10%, illustrates that three's combination has collaborative summation action.As can be seen here, the combination of rimsulfuron, piperazine humulone and clethodim has reasonability and feasibility.
The combination of table 1, rimsulfuron, piperazine humulone and clethodim is to the growth inhibiting toxicity test result of green foxtail
The toxicity test result of table 2, rimsulfuron, clethodim and mixture thereof combination to lamb's-quarters
Assays Example 2: the test of pesticide effectiveness.
Rimsulfuron, piperazine humulone and haloxyfop-r-methyl composition for preventing and controlling potato fields annual weed field control effectiveness test
(1) 32% rimsulfuron piperazine humulone clethodim suspending agent (4% rimsulfuron: 12% piperazine humulone: 16% clethodim), per hectare active ingredient 120 grams (1#).
(2) 25% rimsulfuron piperazine humulone clethodims dispersible oil-suspending agent (3% rimsulfuron: 10% piperazine humulone: 12% clethodim), per hectare active ingredient 120 grams (2#).
(3) 50% rimsulfuron piperazine humulone clethodim wetting powders (5% rimsulfuron: 20% piperazine humulone: 25% clethodim), per hectare active ingredient 120 grams (3#).
(4) 80% rimsulfuron piperazine humulone clethodim water dispersible granules (10% rimsulfuron: 30% piperazine humulone: 40% clethodim), per hectare active ingredient 120 grams (4#).
Contrast medicament and dispenser dosage:
(5) 25% rimsulfuron aquas, per hectare active ingredient 22 grams (5#).
(6) 70% piperazine humulone missible oil, per hectare active ingredient 400 grams (6#).
(7) 24% clethodim ECs, per hectare active ingredient 100 grams (7#).
Test site: new people village, Tie Yong town, Huizhou Huidong County
Subjects and method: potato fields annual weed, cauline leaf is sprayed.
Result of the test: in table 3, as can be seen from the test results: after medicine 20 days, the average preventive effect of Herbicidal combinations of the present invention to potato fields annual weed reaches more than 81.6%, significantly better than the single dose of contrast, synergistic effect is remarkable, and expanding herbicidal spectrum, quick-acting and lasting period are obviously better than single dose.
Table 3, control potato fields annual weed field control effectiveness test result (after medicine 20 days)
Claims (4)
1. one kind contains the Herbicidal combinations of rimsulfuron and piperazine humulone and clethodim, it is characterized in that: active ingredient is rimsulfuron, piperazine humulone, clethodim, the percentage by weight of rimsulfuron in Herbicidal combinations is 0.1% ~ 20%, and the percentage by weight of piperazine humulone in Herbicidal combinations is 0.1% ~ 20%, the percentage by weight of clethodim in Herbicidal combinations is 0.1% ~ 20%.
2. a kind of Herbicidal combinations containing rimsulfuron and piperazine humulone and clethodim according to claim 1, is characterized in that: described Herbicidal combinations also contains pesticidal preparations auxiliary element, to make the application forms of applicable agricultural use.
3. a kind of Herbicidal combinations containing rimsulfuron and piperazine humulone and clethodim according to claim 2, is characterized in that: its formulation is suspending agent, the one dispersibled in oil-suspending agent, wetting powder or water dispersible granules.
4. a kind of Herbicidal combinations containing rimsulfuron and piperazine humulone and clethodim according to claim 1 is characterized in that preventing and kill off the application in potato fields annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410724642.6A CN104472523A (en) | 2014-12-03 | 2014-12-03 | Weeding composition containing rimsulfuron, metribuzin and clethodim |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410724642.6A CN104472523A (en) | 2014-12-03 | 2014-12-03 | Weeding composition containing rimsulfuron, metribuzin and clethodim |
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| CN104472523A true CN104472523A (en) | 2015-04-01 |
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| CN201410724642.6A Pending CN104472523A (en) | 2014-12-03 | 2014-12-03 | Weeding composition containing rimsulfuron, metribuzin and clethodim |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197874A (en) * | 2017-04-25 | 2017-09-26 | 浙江中山化工集团股份有限公司 | The clethodim and rimsulfuron of a kind of antidecomposition compound dispersible oil-suspending agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040167033A1 (en) * | 2001-06-13 | 2004-08-26 | Mike Johnson | Herbicidal composition |
| CN101669498A (en) * | 2009-07-10 | 2010-03-17 | 合肥星宇化学有限责任公司 | Weeding composition for potato fields |
| CN102293212A (en) * | 2011-06-29 | 2011-12-28 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing rimsulfuron and triazine |
| CN103918663A (en) * | 2014-03-27 | 2014-07-16 | 广东中迅农科股份有限公司 | Weeding composition containing metribuzin and clethodim |
-
2014
- 2014-12-03 CN CN201410724642.6A patent/CN104472523A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040167033A1 (en) * | 2001-06-13 | 2004-08-26 | Mike Johnson | Herbicidal composition |
| CN101669498A (en) * | 2009-07-10 | 2010-03-17 | 合肥星宇化学有限责任公司 | Weeding composition for potato fields |
| CN102293212A (en) * | 2011-06-29 | 2011-12-28 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing rimsulfuron and triazine |
| CN103918663A (en) * | 2014-03-27 | 2014-07-16 | 广东中迅农科股份有限公司 | Weeding composition containing metribuzin and clethodim |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197874A (en) * | 2017-04-25 | 2017-09-26 | 浙江中山化工集团股份有限公司 | The clethodim and rimsulfuron of a kind of antidecomposition compound dispersible oil-suspending agent and preparation method thereof |
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Application publication date: 20150401 |
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