CN104824002B - The Herbicidal combinations of proxazuron-methyl and mefenacet and oxadiargyl - Google Patents
The Herbicidal combinations of proxazuron-methyl and mefenacet and oxadiargyl Download PDFInfo
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- CN104824002B CN104824002B CN201510244538.1A CN201510244538A CN104824002B CN 104824002 B CN104824002 B CN 104824002B CN 201510244538 A CN201510244538 A CN 201510244538A CN 104824002 B CN104824002 B CN 104824002B
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- mefenacet
- proxazuron
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- oxadiargyl
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Abstract
The present invention relates to the Herbicidal combinations of a kind of proxazuron-methyl and mefenacet and oxadiargyl, effective component is proxazuron-methyl, mefenacet and oxadiargyl, and the weight ratio of three is 1~20:1~40:1~20；Herbicidal combinations of the present invention have synergistic function to rice transplanting field weed, expand degrass spectrum, Weed Resistance risk are reduced, suitable for preventing and kill off paddy field annual grassy weeds.
Description
Technical field
The present invention relates to pesticide herbicidal composition and application field thereof, specifically proxazuron-methyl, mefenacet,
Oxadiargyl combination, for preventing and treating transplanted rice field annual grassy weeds.
Background technique
Proxazuron-methyl (propyrisulfuron), chemical name: 1- (the chloro- 6- propyl imidazole of 2- simultaneously [1,2-b] pyridazine-
3- sulfonyl) -3- (4,6- dimethoxypyridin -2- base) urea, it is a kind of selective broad-spectrum herbicide, there is residual effect effect, it is right
The weeds of resistance to sulfonylurea herbicide have preferable preventive effect, are the inhibitor of acetolactate synthestase (ALS), to above the average age for marriage
Barnyard grass, nutgrass flatsedge, broadleaved herb are effective, can foliar spray, get rid of and apply.
Mefenacet (mefenacet), chemical name: 2-[4-morpholinodithio -2- base oxygen-N- exalgine, is acyl
Amine selective inner-adsorption conduction-type herbicide.It is mainly absorbed by bud scale and root, is conducted through xylem and bast to weeds
Young shoot and tender leaf prevent weed growth point cell division from extending, and ultimately cause plant death.It is selectively strong to transplanting rice, by
It is low in solubility in water, so pesticide-applying weeding activity highest, soil is very strong to this product adsorption capacity under the conditions of water conservation, application
Dose is largely adsorbed on upper soll layer afterwards, and forms process layer within upper soll layer 1cm, is avoided that paddy growth in this way
Contact of the point with the medicament, makes its higher safety of generation, and to the weeds such as barnyard grass that growing point is in upper soll layer have compared with
Strong prevention fertility and kill ability.
Oxadiargyl (oxadiargyl), chemical name: 5- tertiary butyl -3- (2,4- bis- chloro- 5- propynyloxy base) benzene
Base) -1,3,4 oxadiazoles -2- (3H) -one, oxadiargyl is oxadiazoles nitrogen-containing heterocycle class herbicide, passes through weed bud or children
Seedling contacts with medicament, absorbs and cause to act on, and is administered after seedling, and weeds are absorbed by aerial part, and medicament enters product after plant
Tire out and growing vigorous position, inhibit growth, causes weed organization to rot dead.
The screening of different pesticide variety compound formulas filters out reasonable formula, can effectively improve anti-to the reality of weeds
Effect is controlled, prevention spectrum is expanded, reduces dosage, reduces cost, mitigates the pollution to environment, delays the generation of herbicide resistance.
The present inventor is to the ternary built of proxazuron-methyl, mefenacet and oxadiargyl using deeply being ground
Study carefully, on the basis of the screening of a large amount of formula indoor and field medicine effect test, discovery proxazuron-methyl, mefenacet and propine
Oxadiazon compounding shows notable synergistic effect, warp to transplanted rice field annual grassy weeds within the scope of certain compound proportion
Further research, completes the present invention.
Summary of the invention
The purpose of the present invention is to provide one kind with synergistic effect, expansion degrass spectrum, use cost is low, control efficiency is good
Effective component be proxazuron-methyl, mefenacet and oxadiargyl rice transplanting field weeding composition and its preventing and kill off
Application in transplanted rice field annual grassy weeds.
Realizing the technical solution of the object of the invention is: Herbicidal combinations of the present invention are with proxazuron-methyl, mefenacet
Be effective component with oxadiargyl, the weight ratio of proxazuron-methyl, mefenacet and oxadiargyl be 1~20:1~
40:1~20；The weight percent of proxazuron-methyl, mefenacet and oxadiargyl weight summation in composition pesticide
Be 2%~80%, remaining for allow in pesticide using with acceptable auxiliary element.
The auxiliary element includes solvent, emulsifier, wetting agent, dispersing agent, antifreezing agent, thickener, disintegrating agent, bonding
Agent, defoaming agent, stabilizer, bleeding agent, synergist, solid acid, carbonate, flowing regulator, liquid-carrier and solid carrier etc.,
All it is ingredient commonly used or allowed to use in pesticidal preparations, is not particularly limited, specific ingredient and dosage is logical according to recipe requirements
Simple test is crossed to determine.
Herbicidal combinations of the present invention can be prepared into a variety of application forms for being suitble to agriculturally use, and relatively good dosage form has
Wettable powder, granule.
The production technology of the various application forms of the Herbicidal combinations belongs to existing known technology, and details are not described herein.
Compared with the prior art, the advantages of the present invention are as follows:
1, proxazuron-methyl, mefenacet, oxadiargyl combination have notable synergistic effect, bright compared with single use
The aobvious control efficiency improved to weeds, expands degrass spectrum.
2, proxazuron-methyl, mefenacet and the oxadiargyl mechanism of action are different, can delay herbicide resistance
Generation.
3, proxazuron-methyl, mefenacet and oxadiargyl combination, reduce Pesticide use amount, reduce use at
This, alleviates the pollution to environment.
Specific embodiment
To better understand the essence of the present invention, below with reference to embodiment, the content of the present invention will be further explained,
But limitation of the present invention cannot be considered as, the following description is only for the purpose of explaining the present invention, for without departing from spirit of that invention and principle
Modification, replacement or the improvement made, fall within the scope of the claimed invention.
(1) preparation method
Effective component is former using proxazuron-methyl raw medicine, mefenacet raw medicine and oxadiargyl in following examples
Medicine, each component are weight percent content.
50% mefenacet of (1) 3% proxazuron-methyl, 2% oxadiargyl wettable powder: proxazuron-methyl
3%, mefenacet 50%, oxadiargyl 2%, pull open powder 5%, K-125%, NNO2%, calcium lignosulfonate 5%, kaolin is supplied
100%.
Above-mentioned material is uniformly mixed, is uniformly mixed through air-flow crushing again after being mechanically pulverized, 3% promazine can be obtained
50% mefenacet of Sulfometuron Methyl, 2% oxadiargyl wettable powder.
3.5% mefenacet of (2) 0.2% proxazuron-methyl, 0.3% oxadiargyl granule: proxazuron-methyl
0.2%, mefenacet 3.5%, oxadiargyl 0.3%, light calcium 3%, calcium lignosulfonate 5%, polyvinyl alcohol 0.5%, glucose
4%, rose-red 3%, mountain flour to 100%.
Above-mentioned material is uniformly mixed, after being mechanically pulverized, through air-flow crushing, is thrown with rest materials in closed compounding kettle
In be uniformly mixed, coating method is granulated, dry, and screening is to get to 0.2% proxazuron-methyl, 3.5% mefenacet 0.3%
Oxadiargyl granule.
(2) indoor biological activity assay embodiment
Reagent agent: proxazuron-methyl, mefenacet, oxadiargyl.
Medicament configuration design: proxazuron-methyl single dose is configured to 10,20,30g.a.i./ha solution for standby；Mefenacet
Single dose is configured to 100,200,300g.a.i./ha solution for standby；Oxadiargyl single dose is configured to 5,10,15g.a.i./ha it is molten
Liquid is spare；Proxazuron-methyl, mefenacet and oxadiargyl mixture are configured to 10+100+5,10+100+10,10+100+
15、10+200+5、10+200+10、10+200+15、10+300+5、10+300+10、10+300+15、20+100+5、20+100+
10、20+100+15、20+200+5、20+200+10、20+200+15、20+300+5、20+300+10、20+300+15、30+100
+5、30+100+10、30+100+15、0+200+5、30+200+10、30+200+15、30+300+5、30+300+10、30+300+
15g a.i./ha solution for standby.
Test method: high 6cm, diameter 9cm polypots in fill quantitative soil, will for examination target weed seed 15~20
Sowing is placed in greenhouse after the fine earth of lid 0.5~1cm thickness and cultivates in polypots, carries out spraying treatment when weeds long germination,
Every spraying liquid 1mL, every processing is repeated 4 times, and the treatment without medicine is set as a control.Test material is placed in greenhouse and trains after processing
It supports, the growing state of regular observation of target weeds, target victim symptom and growth inhibition situation is estimated after 20d, and claim overground part
Divide fresh weight, with target fresh weight inhibition rate evaluation medicament to the toxicity action of target weeds.
Investigation method: target victim symptom and growth inhibition situation are estimated after test process 20d, and claims aerial part fresh
Weight calculates fresh weight inhibition rate (%).
Synergy evaluation method: evaluating combined action of herbicide (NY/T1155.7-2006) according to Colby method,
Its formula are as follows: E0=X × Y × Z/1002, in formula, X is that proxazuron-methyl when using a single dose inhibits the fresh weight of target weeds
Rate is the percentage of control；Y is mefenacet when using a single dose to hundred that the fresh weight inhibition rate of target weeds is control
Score；Z is the percentage that oxadiargyl is control when using a single dose to the fresh weight inhibition rate of target weeds；E0For promazine
It is the percentage of control to target weed fresh weight inhibition rate when three kinds of Sulfometuron Methyl, mefenacet, oxadiargyl pharmacy mix
Theoretical value；Target weeds fresh weight is inhibited when E is proxazuron-methyl, three kinds of mefenacet, oxadiargyl pharmacy mix
Rate is the measured value of the percentage of control.
Evaluation criterion: work as E-E0Synergistic effect is expressed as when > 10%, as -10%≤E-E0It is expressed as being added when≤10% and make
With working as E-E0Antagonism is expressed as when < -10%.
Proxazuron-methyl, mefenacet and propine it can be seen from the The Toxicity Determination result of table 1, table 2 and table 3
Oxadiazon ternary built respectively handles the E to Monochoria vaginalis, barnyard grass and difformed galingale herb0- E (%) value is all larger than 10%, illustrates that three is multiple
Matching Monochoria vaginalis, barnyard grass and difformed galingale herb has synergistic effect.It can be seen that proxazuron-methyl, mefenacet and propine are disliked
Humulone ternary built has reasonability and feasibility.
Table 1, each chemicals treatment are to the The Toxicity Determination result of Monochoria vaginalis
Table 2, each chemicals treatment are to the The Toxicity Determination result of barnyard grass
Table 3, each chemicals treatment are to the The Toxicity Determination result of difformed galingale herb
(3) field efficacy verifies embodiment
It experimental field selects Monochoria vaginalis, barnyard grass and difformed galingale herb that more transplanted rice field occurs to carry out.Test is set altogether at 8
Reason, every processing set 3 repetitions.
Treatment agent 1 is 3% proxazuron-methyl, 50% mefenacet, 2% oxadiargyl wettable powder, place
Reason medicament 2 is 0.2% proxazuron-methyl, 3.5% mefenacet, 0.3% oxadiargyl granule, treatment agent 3 is
9.5% proxazuron-methyl suspending agent, treatment agent 4 are 50% mefenacet wettable powder, treatment agent 5 is 10% propine
Oil-suspending agent can be dispersed in oxadiazon.
It counts each processing number of weeds amount and calculates preventive effect within 30 days after medicine.
3% proxazuron-methyl, 50% mefenacet, 2% propine is disliked it can be seen from the field test results of table 4
Humulone wettable powder preventive effect 88.04~94.98%, 0.2% proxazuron-methyl, 3.5% mefenacet, 0.3% propine
Oxadiazon granule preventive effect 89.33~94.76%, 0.5% proxazuron-methyl, 4% mefenacet, 1.5% propine dislike grass
Ketone granule, drug effect are substantially better than 9.5% proxazuron-methyl suspending agent, 50% mefenacet wettable powder, 10% propine
Oil-suspending agent can be dispersed in oxadiazon, while not finding to generate phytotoxicity to rice in the process of experimental investigation.It can be seen that the combination
Object is worth promoting and applying in agricultural production.
Table 4, each chemicals treatment prevent and kill off the field control effectiveness test result of transplanted rice field annual grassy weeds
Claims (4)
1. the Herbicidal combinations of a kind of proxazuron-methyl and mefenacet and oxadiargyl, it is characterised in that: effectively at
It is divided into proxazuron-methyl, mefenacet and oxadiargyl, the weight ratio of three is 10~30:100~300:10~15.
2. the Herbicidal combinations of proxazuron-methyl according to claim 1 and mefenacet and oxadiargyl,
Be characterized in that: the total weight percentage composition of the proxazuron-methyl, mefenacet and oxadiargyl in the composition is 2%
~80%, remaining for allow in pesticide using with receptible auxiliary element.
3. the Herbicidal combinations of proxazuron-methyl according to claim 1 or 2 and mefenacet and oxadiargyl,
It is characterized by: the dosage form of the Herbicidal combinations is one of wettable powder and granule.
4. the Herbicidal combinations of proxazuron-methyl described in claim 1 and mefenacet and oxadiargyl are in anti-water removal
Application in rice transplant field annual grassy weeds.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919934A (en) * | 2009-06-17 | 2010-12-22 | 王运瑞 | Medicament for treating mouth ulcer |
| CN102511487A (en) * | 2011-12-14 | 2012-06-27 | 安徽省国家农药剂型工程技术中心 | Oxadiargyl oil suspension agent and preparation method thereof |
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2015
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919934A (en) * | 2009-06-17 | 2010-12-22 | 王运瑞 | Medicament for treating mouth ulcer |
| CN102511487A (en) * | 2011-12-14 | 2012-06-27 | 安徽省国家农药剂型工程技术中心 | Oxadiargyl oil suspension agent and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| "丙嗪嘧磺隆等药剂对直播稻田杂草的防除效果";徐源辉等;《湖南农业科学》;20150227;第23-25，28页 * |
| "苯噻酰草胺农药标准品的制备研究";黄德智;《安徽农业科学》;20060130;第34卷(第3期);517-518 * |
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