CN104285987B - Compound herbicide and application thereof containing phenmedipham, clethodim and Pendimethalin - Google Patents
Compound herbicide and application thereof containing phenmedipham, clethodim and Pendimethalin Download PDFInfo
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- CN104285987B CN104285987B CN201410484309.2A CN201410484309A CN104285987B CN 104285987 B CN104285987 B CN 104285987B CN 201410484309 A CN201410484309 A CN 201410484309A CN 104285987 B CN104285987 B CN 104285987B
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- pendimethalin
- clethodim
- phenmedipham
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Abstract
The invention discloses a kind of compound herbicide containing phenmedipham, clethodim and Pendimethalin and application thereof.This herbicide is with phenmedipham, clethodim and Pendimethalin as principle active component.The compound herbicide of the present invention application in Sugarbeet Fields postemergence weed control, the particularly application in preventing and kill off the various grassy weed of Sugarbeet Fields and broad leaved weed have remarkable result.
Description
Technical field
The invention belongs to herbicide field, relate to a kind of containing phenmedipham, clethodim and diformazan penta
The compound herbicide of happy spirit and application thereof.
Background technology
Phenmedipham (Phenmedipham) is known herbicidal compounds, molecular formula
C16H16N2O4, chemical name: 3-[(methoxy hydroxyl) amino] phenyl-N-(3-aminomethyl phenyl-) ammonia
Carbamate.Phenmedipham is stem and leaf inorganic agent after selectivity Seedling, it is adaptable to Radix Betae, Fructus Fragariae Ananssae etc.
Multiple broadleaf weed is prevented and kill off in crop field.Such as Chenopodium, Herba Capsellae, Herba lamii barbati, Herba Polygoni Avicularis, volume stem
Knotweed, Herba stellariae mediae, corn radish etc., but the weeds drug resistance such as knotweed, Herba Solani Nigri, Herba Sonchi Oleracei, Herba Galii Teneri
By force, the weeds sprouted grassy weed, sedge weed and end are invalid.
Clethodim (clethodim) is known herbicidal compounds, molecular formula:
C17H26ClNO3S, chemical name: (±)-2-[(E)-3-chloroallyloxyamino imino group] propyl group
-5-[2-(ethylmercapto group) propyl group]-3-hydroxy cyclohexylphenyl-2-ketenes.Clethodim is a kind of novel dry land
Herbicide after seedling, has excellent selectivity.It is applicable to Semen sojae atricolor, Brassica campestris L, Cotton Gossypii, Semen arachidis hypogaeae
Barnyard grass, wild oat, Herba Digitariae, Herba Setariae Viridis, Herba Eleusines Indicae, amur foxtail, early is prevented and kill off in broad-leaved field
The grassy weeds such as ripe standing grain, hard grass.After dispenser, can be absorbed rapidly by grassy weed stem and leaf
And conduct to stem apex and separate living tissue, suppress merismatic activity, destroy cell division,
Ultimately result in weeds dead.
Pendimethalin (Pendimethalin) is known herbicidal compounds, molecular formula
C13H19N3O4, chemical name: N-(1-ethyl propyl)-2,6-dinitro-3,4-dimethyl
Aniline；The spirit of dish grass；Execute field to mend；Pendimethalin；Pendimethalin；N-(1-ethyl propyl)-3,4-
Dimethyl-2,6-dinitroaniline.Dry land soil before Pendimethalin is selectivity bud, after bud
Earth processes herbicide.Weeds absorb medicament by the plumelet sprouted, and enter plant
Interior medicament and tubulin binding, the mitosis of suppression plant cell, thus cause
Weeds are dead.
Sugarbeet Fields herbicide is limited by crop safety at present, and weed control spectrum is the most limited, individually makes
The generation of Sugarbeet Fields weeds can not have been controlled completely effectively with a kind of herbicide.Therefore,
Compound herbicide becomes research heat topic at present.And so far, have no about phenmedipham,
Clethodim and Pendimethalin are mixed with the relevant report of compound herbicide.
Summary of the invention
The first object of the present invention is to provide a kind of containing phenmedipham, clethodim and Pendimethalin
Compound herbicide, utilize between three exist cooperative effect, it is provided that multiple concrete scheme with
Obtain more preferable application prospect.
The second object of the present invention is to provide the related application of this herbicide.
For realizing the first purpose, the present invention adopts the following technical scheme that
A kind of compound herbicide containing phenmedipham, clethodim and Pendimethalin, this herbicide
With phenmedipham, clethodim and Pendimethalin as principle active component.
More specifically, inventor finds when phenmedipham, clethodim and the matter of Pendimethalin
Amount ratio is 1～40:1～20:1～20, preferably 1～5:1～3:2～compound effect when 5
More prominent.
In above-mentioned compound herbicide, phenmedipham, clethodim and Pendimethalin three are removing
Grass agent in gross mass percentage composition be 5～80%, preferably gross mass percentage composition be 35～
50%.
In the ternary built preparation of the phenmedipham of the present invention, clethodim and Pendimethalin, remove
Outside effective ingredient phenmedipham, clethodim and Pendimethalin, it is also possible to add pesticidal preparations
The auxiliary agent allowed is prepared as various common dosage forms, those skilled in the art will envision that, based on
Notable cooperative effect between above-mentioned active component, prepared ternary built preparation necessarily exists
Weeding aspect has preferably applies effect.
Wherein, the present invention preferably in above-mentioned active component add emulsifying agent, stabilizer etc. help
What agent was configured to dispersibles oil-suspending agent, and this dosage form can make gained compound herbicide possess more preferably
Application prospect.
Further, the oil-suspending agent that dispersibles of the present invention preferably has a following formula:
Phenmedipham 8～25%, clethodim 5～15%, Pendimethalin 5～30%, wetting dispersing agent 5～
10%, emulsifying agent 3～10%, stabilizer 2～5%, the agent 1～3% of outstanding stream, surplus is by epoxy
Soybean oil complements to 100%
Wherein, Ricinate is selected from tristyryl phenol polyoxyethylene ether, fatty alcohol polyoxy
Vinyl Ether or P0/PE block 2, 2-Oxydiphenol, preferably P0/PE block 2, 2-Oxydiphenol；Emulsifying agent is selected from 12
Alkyl polyoxyethylene ether phosphate ester, NPE or alkylaryl polyoxyethylene ether,
Preferably NPE；Described stabilizer is selected from organic ammonium salt (described organic ammonium salt
Selected from trimethyl quaternary ammonium salt, tributyl quaternary ammonium salt or dimethyl stearyl quaternary ammonium salt) or poly-
Vinyl alcohol or sodium silicate；Described outstanding stream agent is organobentonite.
The most described compound herbicide has a following formula: phenmedipham 8～16%, clethodim
8～12%, Pendimethalin 20～30%, P0/PE block 2, 2-Oxydiphenol 5～10%, nonyl phenol gathers
Oxygen vinyl Ether 3～10%, organic ammonium salt 2～5%, organobentonite 1～3%, surplus is by ring
Oxygen soybean oil complements to 100%.
The above-mentioned oil-suspending agent that dispersibles can use various preparation methoies disclosed in prior art to prepare
Obtain, the selection of concrete grammar and confirm as those skilled in the art and grasped, as by above-mentioned
Component mixing gained mixture carries out sand milling, obtains mean diameter through soybean dietary fiber again and be
Oil-suspending agent is dispersibled about 4 μm.
As a kind of preferred forms of the present invention, preferably described compound herbicide agent prescription
As follows:
Phenmedipham 16%, clethodim 12%, Pendimethalin 20%, P0/PE block 2, 2-Oxydiphenol 5%,
NPE 3%, trimethyl quaternary ammonium salt 5%, organobentonite 3%, epoxy soybean
Oil is mended to 100%.
The present invention obtains compound herbicide compositions and has the advantage that
1, activity of weeding is high, kills weeds by three kinds of different mechanism so that Weed Resistance
Generation speed reduces, and three kinds of effective ingredient Synergistics, drastically increases herbicide
Removing activity.
2, herbicidal spectrum is wide, and the lasting period is long.The weed control spectrum of three kinds of herbicides is different, by three with
The medicament that special ratios mixture prepares combines herbicidal spectrum and the activity of these three medicament so that
The herbicidal spectrum of mix preparation is wider, and the lasting period is longer.
3, delaying Weed Resistance, the present invention can significantly improve the preventive effect to various resistant weeds,
Delay the generation of Weed Resistance, extend the service life of medicament.
Additionally, the compound herbicide described in further requirement of the present invention protection is after Sugarbeet Fields Seedling
Application in weeding uses, particularly various grass family and broad leaved weed in preventing and kill off Sugarbeet Fields
Middle application.
Owing to the scientific formulation of compound herbicide is reasonable, in actual application, to Radix Betae
The various grass family of Tanaka and broad leaved weed have beyond thought preventive effect, and to Radix Betae basis
The growth of body is without any harm, on the premise of improve drug effect, to Radix Betae and succession crop
All there is reliable safety.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Each source chemicals involved in the present invention is commercially available known product, except specified otherwise
Outward, involved in the present invention " % " is mass percent.
Embodiment 1
Oil-suspending agent formula is dispersibled as follows described in the present embodiment:
Phenmedipham 16%, clethodim 12%, Pendimethalin 20%, P0/PE block 2, 2-Oxydiphenol 5%,
NPE 3%, trimethyl quaternary ammonium salt 5%, organobentonite 3%, epoxy soybean
Oil complements to 100%.
Preparation method: by above-mentioned each component mix homogeneously in sand mill medium sand pulverizing broken 4 hours
Form coarse dispersion liquid, then make its mean diameter i.e. can get institute less than 5 μm through soybean dietary fiber
The 48% phenmedipham clethodim Pendimethalin needed dispersibles oil-suspending agent product.
Embodiment 2～5
The composition suspending agent of following different content can be prepared by the similar method of embodiment 1
Test example 1
1) toxicity determination test
Utilize the preparation in embodiment 1-4 and comparison medicament, measure it to Sugarbeet Fields common weed
The co-toxicity coefficient of Herba chenopodii.
Reagent agent:
Experimental group 1: the product (principle active component: phenmedipham 16%+ prepared by embodiment 1
Clethodim 12%+ Pendimethalin 20%)；
Experimental group 2: the product (principle active component: phenmedipham 10%+ prepared by embodiment 2
Clethodim 15%+ Pendimethalin 10%)；
Experimental group 3: the product (principle active component: phenmedipham 10%+ prepared by embodiment 3
Clethodim 10%+ Pendimethalin 30%)；
Experimental group 4: the product (principle active component: phenmedipham 8%+ alkene prepared by embodiment 4
Oxadiazon 8%+ Pendimethalin 20%)；
Experimental group 5: the product (principle active component: phenmedipham 25%+ prepared by embodiment 5
Clethodim 5%+ Pendimethalin 5%)；
Matched group 1: compared with Example 1, distinctive points is only that principle active component is: alkene grass
Ketone 19%+ Pendimethalin 29%；
Matched group 2: compared with Example 1, main active and consumption thereof are identical, distinctive points
Being only that matched group 2 is prepared as dosage form according to a conventional method is wettable powder；
Matched group 3: compared with Example 1, distinctive points is only that wetting dispersing agent is dodecylbenzene
Base sulfoacid calcium；
Matched group 4: commercially available ternary compound herbicide, principle active component is: pendimethalin
Spirit 17%+ Acetochlor 22%+ Oxyfluorfen 5%；
To sow after waiting seed to show money or valuables one carries unintentionally for planting experimentally son first 40 DEG C of water seed soaking accelerating germination.To locate in advance
The Herba chenopodii seed uniform broadcasting of reason, in soil surface, earthing 0.5cm, after planting moves into greenhouse conventional
Cultivate, use infiltrating irrigation mode moisturizing bottom basin alms bowl, make soil the most moistening, be placed in temperature 30 DEG C,
Light dark is cultivated than in the greenhouse of 14h/10h, and after planting 10d carries out thinning and determines strain, makes weed density
It is 20 strains/basin, treats that Herba chenopodii length, to 2-2.5 leaf, carries out spraying treatment.
Will with ASP-1098 type automatic sprayer (pressure: 0.4Mpa, speed: 50cm/s)
Medicinal liquid carries out spraying treatment by EXPERIMENTAL DESIGN from low dosage to high dose order, often processes 4 weights
Multiple.After medicine 2 minutes, material surface to be tried medicinal liquid natural air drying, move into greenhouse cellar culture, protect
Holding ground moistening in basin, routine observation respectively processes the preventive effect to weeds, weighs each after 30d
Weeds fresh weight after process.The method proposed by nineteen sixties such as Sun Yunpei, calculates its toxicity regression
Equation and co-toxicity coefficient.Co-toxicity coefficient is more than 100, shows that two kinds of active substance have potentiation and make
With, otherwise, then show that two kinds of active substance have antagonism.
Table 1 toxicity measurement result
The above results absolutely proves, after phenmedipham, clethodim and Pendimethalin three are compounding
Compound herbicide, compared with matched group 1-4, has prevented and kill off significant increase, wherein to Herba chenopodii
Synergistic function with embodiment 1 is the most notable.
2) field control effectiveness test
Reagent agent:
Experimental group 1: the product (principle active component: phenmedipham 16%+ prepared by embodiment 1
Clethodim 12%+ Pendimethalin 20%)；
Experimental group 2: the product (principle active component: phenmedipham 10%+ prepared by embodiment 2
Clethodim 15%+ Pendimethalin 10%)；
Experimental group 3: the product (principle active component: phenmedipham 10%+ prepared by embodiment 3
Clethodim 10%+ Pendimethalin 30%)；
Experimental group 4: the product (principle active component: phenmedipham 8%+ alkene prepared by embodiment 4
Oxadiazon 8%+ Pendimethalin 20%)；
Experimental group 5: the product (principle active component: phenmedipham 25%+ prepared by embodiment 5
Clethodim 5%+ Pendimethalin 5%)；
Matched group 1: compared with Example 1, distinctive points is only that principle active component is: alkene grass
Ketone 19%+ Pendimethalin 29%；
Matched group 2: compared with Example 1, main active and consumption thereof are identical, distinctive points
Being only that matched group 2 is prepared as dosage form according to a conventional method is wettable powder；
Matched group 3: compared with Example 1, distinctive points is only that wetting dispersing agent is dodecylbenzene
Base sulfoacid calcium；
Matched group 4: commercially available ternary compound herbicide, principle active component is: pendimethalin
Spirit 17%+ Acetochlor 22%+ Oxyfluorfen 5%；
For studying thing: Radix Betae, 3～6 leaf phases, growing fine, robust plant, without other disease pest
Evil.
Prevent and kill off object: Sugarbeet Fields advantage weeds, such as the grassy weed such as barnyard grass, Herba Setariae Viridis, Herba chenopodii,
The broad leaved weed such as Herba stellariae mediae, Amaranthus retroflexus.
Test method: according to the area of experimental plot, the good various medicaments of precise, it is watered dilute
After releasing, carry out even spraying with knapsack sprayer, the fan-shaped spray that sprinkler selection herbicide is special
Head.During spraying, it should be noted that uniformly sprayed application in experimental plot by medicinal liquid, accomplish not drain spray, many
Spray.
After test, after medicine, 20d, 40d observe weeds death condition, and relatively various medicaments respectively
Activity of weeding.Additionally, also to observe the condition of production of crop after medicine in 1～15d, to examine
Examine whether medicament has poisoning to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect see table 2 (20d after medicine) and table 3 (medicine
Rear 40d).
Pharmacodynamic results after table 2 dispenser 20 days
40 days pharmacodynamic results after table 3 dispenser
Consumption in table 2 and table 3 refers both to preparation consumption.
From table 2 and table 3 it can be seen that compound herbicide of the present invention to grassy weed and
Broad leaved weed all has significant preventive effect, and potentiation is obvious, and the lasting period extends, wherein with embodiment
The best results of 1.
Table 4 medicament is to crop safety survey result
From table 4, it can be seen that the five of the present invention embodiments process the equal growing way of Radix Betae in community
Well, having no any medicine speckle or seedling death phenomenon, matched group 1-4 then exists to a certain extent
Seedling death phenomenon, illustrates that the compound herbicide of the present invention, to Semen arachidis hypogaeae safety, can promote the use of (its
In with the best results of embodiment 1).
3) herbicidal effect contrast test
Test method: in the Radix Betae 4-5 leaf phase, when various grassy weeds and broad leaved weed generally occur,
Select the plot that 3 pieces of close liquid manure is good as experimental field, equal with experimental group and comparison medicament
Even dispenser, after 20 days, contrasts weeds strain preventive effect.
Subjects:
Experimental group 1: the product (principle active component: phenmedipham 16%+ prepared by embodiment 1
Clethodim 12%+ Pendimethalin 20%)；
Experimental group 2: the product (principle active component: phenmedipham 8%+ alkene prepared by embodiment 4
Oxadiazon 8%+ Pendimethalin 20%)；
Matched group 1: compared with Example 1, distinctive points is only that principle active component is: alkene grass
Ketone 19%+ Pendimethalin 29%；
Matched group 2: compared with Example 1, main active and consumption thereof are identical, distinctive points
Being only that matched group 2 is prepared as dosage form according to a conventional method is wettable powder；
Matched group 3: compared with Example 1, distinctive points is only that wetting dispersing agent is dodecylbenzene
Base sulfoacid calcium；
Matched group 4: commercially available ternary compound herbicide, principle active component is: pendimethalin
Spirit 17%+ Acetochlor 22%+ Oxyfluorfen 5%；
Result of the test: be shown in Table 5.
Within after table 5 medicine 20 days, respectively process and prevent and kill off Sugarbeet Fields weeds effect
As can be seen from the above table, the experimental group 1 of the present invention and experimental group 2 with compare medicament and market
The ternary built herbicide of upper sale is compared, and all shows the most excellent in herbicidal spectrum, prevention effect
Different, it is worthy to be popularized.
4) using of herbicide affects contrast test to what succession crop grew
Inventor further with regard to herbicide use on succession crop growth impact expand right
Than test, subjects is with " herbicidal effect contrast test ", and concrete test method is: in test
On the basis of 3, after Radix Betae results, planting Semen Tritici aestivi on the block of original place, selected wheat breed is week
Wheat No. 26, records the plot wheat growth situation under each chemicals treatment.Result of the test is shown in Table 6.
Table 6 different agents process after impact on succession crop Semen Tritici aestivi
| Treatment agent | Mu spike number (ten thousand) | Plant height (cm) | Grain number per spike (grain) | Mass of 1000 kernel (g) | Per mu yield (kg) |
| Experimental group 1 | 40.3 | 81.2 | 34.2 | 46.1 | 514 |
| Experimental group 2 | 39.1 | 81.1 | 34.2 | 46.0 | 512 |
| Matched group 1 | 35.8 | 72.3 | 30.2 | 39.5 | 476 |
| Matched group 2 | 33.9 | 71.6 | 29.5 | 38.6 | 471 |
| Matched group 3 | 34.6 | 72.4 | 29.6 | 38.1 | 466 |
| Matched group 4 | 35.2 | 71.6 | 30.8 | 37.8 | 459 |
| Artificial weeding compares | 39.0 | 78.0 | 34.0 | 44.0 | 482 |
Result shows, the growth of rear stubble Semen Tritici aestivi is not existed by the herbicide of experimental group 1 and experimental group 2
Any harmful effect, and matched group 1-4 all shows and makees succession crop suppression in various degree
With, wherein the impact with matched group 4 is the most serious.Trace it to its cause, it may be possible to when compounding because of person,
Owing to the character between component is different, after being used in mixed way, there occurs that some is special mutual to each other
Effect exacerbates the herbicide impact on succession crop.Visible Pendimethalin+Acetochlor+ethoxy
Though AKH7088 compounding between certain cooperative effect, but the most significantly increased the weight of compounding weeding simultaneously
Each component impact on succession crop in agent, is unfavorable for actual application, it is impossible to as really can profit
With and promote feasible program.
Although, used general explanation, detailed description of the invention and test, to this
Bright make detailed description, but on the basis of the present invention, it can have been made some modifications or improvements,
This will be apparent to those skilled in the art.Therefore, without departing from present invention spirit
On the basis of these modifications or improvements, belong to the scope of protection of present invention.
Claims (4)
1. containing phenmedipham, clethodim and a compound herbicide for Pendimethalin, its feature
Being, described compound herbicide is for dispersibling oil-suspending agent；Described dispersibles oil suspension
Agent has a following formula: phenmedipham 8～16%, clethodim 8～12%, Pendimethalin
20～30%, P0/PE block 2, 2-Oxydiphenol 5～10%, NPE 3～10%, have
Machine ammonium salt 2～5%, organobentonite 1～3%, surplus is complemented to 100% by epoxy soybean oil.
Compound herbicide the most according to claim 1, it is characterised in that: described can
Dispersed oil suspending agent has a following formula: phenmedipham 16%, clethodim 12%, pendimethalin
Spirit 20%, P0/PE block 2, 2-Oxydiphenol 5%, NPE 3%, QAE
Salt 5%, organobentonite 3%, epoxy soybean oil complements to 100%.
3. the answering in Sugarbeet Fields postemergence weed control of the compound herbicide described in claim 1 or 2
With.
4. the compound herbicide described in claim 1 or 2 is preventing and kill off the various grass family of Sugarbeet Fields
Or the application in broad leaved weed.
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| CN201410484309.2A CN104285987B (en) | 2014-09-19 | 2014-09-19 | Compound herbicide and application thereof containing phenmedipham, clethodim and Pendimethalin |
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| CN108902142A (en) * | 2018-08-08 | 2018-11-30 | 许昌市建安区昌盛日化实业有限公司 | A kind of Herbicidal combinations and nursery hedgerow herbicides special |
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| WO1996032013A1 (en) * | 1995-04-12 | 1996-10-17 | Novartis Ag | Synergistic herbicidal compositions of metolachlor |
| CN1200649A (en) * | 1995-09-20 | 1998-12-02 | 巴斯福股份公司 | Synergistic herbicidal mixtures contg. cyclohexenone oxime ether |
| CN103518718A (en) * | 2013-10-08 | 2014-01-22 | 王玉梅 | Composite herbicide containing pendimethalin, oxyfluorfen and acetochlor |
-
2014
- 2014-09-19 CN CN201410484309.2A patent/CN104285987B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996032013A1 (en) * | 1995-04-12 | 1996-10-17 | Novartis Ag | Synergistic herbicidal compositions of metolachlor |
| CN1200649A (en) * | 1995-09-20 | 1998-12-02 | 巴斯福股份公司 | Synergistic herbicidal mixtures contg. cyclohexenone oxime ether |
| CN103518718A (en) * | 2013-10-08 | 2014-01-22 | 王玉梅 | Composite herbicide containing pendimethalin, oxyfluorfen and acetochlor |
Non-Patent Citations (2)
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| Weed control in strawberries in relation to the type of plant material and the time of planting;Himme, M. van et al;《International Symposium on Crop Protection》;19921231;参见摘要 * |
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