CN110521730A - A kind of complex weedicide - Google Patents
A kind of complex weedicide Download PDFInfo
- Publication number
- CN110521730A CN110521730A CN201810511467.0A CN201810511467A CN110521730A CN 110521730 A CN110521730 A CN 110521730A CN 201810511467 A CN201810511467 A CN 201810511467A CN 110521730 A CN110521730 A CN 110521730A
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- CN
- China
- Prior art keywords
- oxadiargyl
- sulfone pyrrole
- pyrrole grass
- grass azoles
- azoles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of complex weedicide of the grass of pyrrole containing sulfone azoles, the composition includes sulfone pyrrole grass azoles and oxadiargyl two kinds of active components, and the weight ratio of two kinds of active components is 1:60 ~ 60:1.Herbicidal spectrum of the present invention is wide, herbicidal effect is obvious, to rice safety.
Description
Technical field
The invention belongs to pesticide fields, more particularly to the Herbicidal combination of a kind of pyrrole containing sulfone grass azoles and oxadiargyl
Object.
Background technique
Sulfone pyrrole grass azoles (English name: Pyroxasulfone) chemical name is [3- [(5- difluoro-methoxy -1- methyl -3-
Trifluoromethyl pyrazol -4- base)-methyl sulphonyl] -4,5- dihydro -5,5- dimethyl -1,2- oxazole] (exploitation code name: KIH-
485, KUH-403), it is processing soil treatment agent before the bud that can be used for most of the crop fields that Japanese combinatorial chemistry Co., Ltd. develops,
Its mechanism of action is approximate with Acetochlor and its related herbicide, but its using crop species, wide, bioactivity is much larger than Acetochlor
With isopropyl methoxalamine.Unit consumption is 8~10 times lower than Acetochlor and other chloro-acetyl amine herbicide kinds, this kind
Since succeeding in developing, in widespread attention and high evaluation.Sulfone pyrrole grass azoles is by inhibiting over-long chain fatty acid to extend synzyme
And effect is caused, it is wide spectrum, the herbicide kind with residual activity, setaria (Setaria), knotgrass can be effectively prevented
(Digitaria), a series of grass family such as Echinochloa (Echinochload), Panicum (Panicum), Sorghum (Sorghum) are miscellaneous
Grass and Amaranthus (Amaranthus), Datura (Datura), Solanum (Solanum), abutilon (Abutilon), Chenopodium
(Chenopedium) broadleaf weeds such as.
Oxadiargyl (oxadiargyl) is a kind of efficient, wide spectrum evil diones herbicides for use in paddy, chemical name 5-
Tertiary butyl -3- (2,4- bis- chloro- 5- propynyloxy base) phenyl) -1,3,4 oxadiazoles -2- (3H) -one, chemical structural formula:
Oxadiargyl is proporphyrinogen oxidase inhibitor, can effectively prevent and kill off the annual gramineaes such as barnyard grass in paddy field
Weeds and most of broadleaf weeds, work fast, herbicidal effect is good, such as with bensulfuron-methyl, pyrazosulfuron sulfonylurea water
Herbicides for use in paddy is mixed can to expand degrass spectrum, and improves its safety to rice.
Summary of the invention
It is an object of the invention in view of the shortcomings of the prior art, provide, a kind of herbicidal effect is good, broad weed-killing spectrum, safety
It can height, the complex weedicide that production-increasing function is significant, application is convenient, toxicity is low.It is specifically related to sulfone pyrrole grass azoles and oxadiargyl
Herbicidal combinations.
The weight ratio of above-mentioned Herbicidal combinations, sulfone pyrrole grass azoles and oxadiargyl is 1:60~60:1, and preferred weight ratio is
1:30~30:1, more preferable weight ratio are 1:10~10:1.
Using Herbicidal combinations of the present invention, it is equipped with auxiliary agent known to those skilled in the art, in the art
Dosage form of the invention can be made in method well known to technical staff.Its dosage form that can be processed is suspending agent, dispersible oil suspension
Agent, wettable powder, water dispersible granules.
The present invention has the advantage that: 1. wide to rice safety, use scope: to rice safety；2. activity of weeding is high, reduces
Dosage: its dosage greatly reduces than each single dose dosage after composite reagent；3. herbicide effect stability: the medicament will not be due to
Temperature height, edaphic condition the problems such as and influence activity of weeding, herbicide effect is sufficiently stable；4. improving rice yield: because effectively
Controlling weeds and extension lasting period, significantly improve rice yield.5. mix preparation compensates for the herbicide defect of respective single dose, each other
Supplement, a drug can prevent and treat grass family, broad-leaved and sedge weed in rice field.
Specific embodiment
Applicant carries out weeding to two kinds of effective components of sulfone pyrrole grass azoles and oxadiargyl first at room temperature potting conditions
Test, to evaluate the herbicidal effect of two kinds of ingredients compounding.Barnyard grass and mexicana are paddy field common weed, more difficult to prevent.Root
According to the herbicidal spectrum of two kinds of effective component, raw measure object is set to barnyard grass and mexicana by us, and the specific implementation is as follows:
Test medicine solution: accurately weighing the sulfone pyrrole grass azoles raw medicine and 95% oxadiargyl raw medicine of constant weight 95%,
It is dissolved with suitable dimethylformamide, is added in the clear water l containing 0.1% Tween 80 emulsifier, is stirred until homogeneous, Ji Chenghan
There is the solution of certain effective component.Placebo solution: add the Tween 80 emulsifier of equivalent 0.1% with equivalent dimethylformamide
Water.
Test method is as follows: examining mixed rear medicament to the activity of barnyard grass and mexicana using gowing method, tests soil
It is quantitatively filled at the 4/5 of basin alms bowl., using basin alms bowl bottom infiltrating irrigation mode, keep soil completely wet, by pretreated for trying ruderal species
Sub- uniform broadcasting is in soil surface, then according to seed size earthing 0.5cm~2cm.Sowing carries out soil afterwards for 24 hours and locates by spraying
Reason.4 repetitions of each processing, are compared using blank solution.Processing is placed on greenhouse routine culture, with basin alms bowl bottom infiltrating irrigation side
Formula moisturizing.With temperature and humidity digital recorder, the temperature and humidity dynamic data during testing in greenhouse is recorded.Investigation records removes after 21 days
Careless activity, weighs strain fresh weight, calculates fresh weight inhibition rate (%).
Evaluation of effect method evaluates combined action of herbicide according to gowing method, and formula is as follows:
E0(%)=X+Y × (100-X)/100
C=E-E0
E in formula0For the theoretical preventive effect inhibited after two kinds of effective component mixtures to weeds, E is after two kinds of effective components are mixed
To the actual measurement preventive effect that weeds inhibit, X is sulfone pyrrole grass azoles at this dose to the preventive effect of target weeds, and Y is oxadiargyl at this
To the preventive effect of target weeds under dosage, C is the synergy coefficient of mixture preparation, and the collaboration to evaluate two kinds of effective components is made
With being synergistic effect when C is greater than 10%, be antagonism when less than 10%, be addition when between ± 10%.
The raw test result of 1 sulfone pyrrole grass azoles of table and oxadiargyl different ratio to barnyard grass activity of weeding
As it can be seen from table 1 after sulfone pyrrole grass azoles and oxadiargyl compounding, synergy system fine to the preventive effect of barnyard grass
Number (C) is all larger than 12, and the synergistic effect after two kinds of effective component compoundings is obvious.
The raw test result of 2 sulfone pyrrole grass azoles of table and oxadiargyl different ratio to the activity of weeding of mexicana
From table 2 it can be seen that after sulfone pyrrole grass azoles and oxadiargyl compounding, synergy fine to the preventive effect of mexicana
Coefficient (C) is all larger than 12, and the synergistic effect after two kinds of effective component compoundings is obvious.
Above-mentioned two raw test shows compared with the effect of single medicament, and sulfone pyrrole grass azoles and oxadiargyl are compounded
Afterwards, there is a good synergistic effect to the preventive effect of barnyard grass and mexicana, after two kinds of composite reagents, solve single medicament to certain one kind
The bad problem of the preventive effect of weeds has preferable control efficiency to the weeds of paddy field frequent species.
The following specific examples are used to further explain the present invention in detail, but the present invention be only limited to absolutely not it is following these
Embodiment.Percentage is weight percentage in formula, and used raw medicine and auxiliary agent are the purchase of other producers.Formulation examples
It is as follows:
One: 30.5% sulfone pyrrole grass azoles oxadiargyl wettable powder of embodiment
Two: 31% sulfone pyrrole grass azoles oxadiargyl suspending agent of embodiment
Three: 11% sulfone pyrrole grass azoles oxadiargyl water dispersible granules of embodiment
Example IV: oil-suspending agent can be dispersed in 28% sulfone pyrrole grass azoles oxadiargyl
Five: 20% sulfone pyrrole grass azoles oxadiargyl suspending agent of embodiment
Six: 24% sulfone pyrrole grass azoles oxadiargyl water dispersible granules of embodiment
Oil-suspending agent can be dispersed in seven: 30% sulfone pyrrole grass azoles oxadiargyl of embodiment
Oil-suspending agent can be dispersed in eight: 30% sulfone pyrrole grass azoles oxadiargyl of embodiment
Nine: 36% sulfone pyrrole grass azoles oxadiargyl suspending agent of embodiment
Ten: 35% sulfone pyrrole grass azoles oxadiargyl water dispersible granules of embodiment
11: 31% sulfone pyrrole grass azoles oxadiargyl suspending agent of embodiment
12: 30.5% sulfone pyrrole grass azoles oxadiargyl suspending agent of embodiment
Above embodiments are selected, the field control effectiveness test of prevention and treatment paddy field weed is carried out, it is miscellaneous for verifying prevention and treatment paddy field
The effect of grass, while being compared with sulfone pyrrole grass azoles single dose and oxadiargyl single dose, determine the control efficiency of each embodiment.Tool
Body is implemented as follows:
The HERBICIDE TEST of the preparations such as 40% sulfone pyrrole grass azoles oxadiargyl suspending agent prevention and treatment barnyard grass and mexicana.Reference
" field control effectiveness test criterion " carries out field control effectiveness test and evaluating drug effect.Preventive effect calculates according to the following equation:
The pharmacodynamic test of 3 sulfone pyrrole grass azoles of table and oxadiargyl different ratio prevention and treatment paddy field weed
It can be clearly seen from the above data that the compound preparation of sulfone pyrrole grass azoles and oxadiargyl, to barnyard grass and mexicana
Common weeds of two kinds of paddy fields 15 days, 30 days preventive effects are more than 90%, compared to sulfone pyrrole grass azoles and oxadiargyl single dose,
There is fairly obvious synergistic effect.Meanwhile after two kinds of ingredient compoundings, compound preparation has very well grass family and broadleaf weeds
Preventive effect, expand herbicidal spectrum.In the dosage range used in this experiment, to rice safety.
From field test data as can be seen that weeds in field after two kinds of ingredient compoundings of sulfone pyrrole grass azoles and oxadiargyl
Herbicidal effect is much higher than the herbicidal effect of two kinds of single doses, and synergistic effect is obvious after compounding, expand herbicidal spectrum, reduces applying for peasant
Medicine number is increased economic efficiency to reduce the amount of labour of peasant.The present invention it is implementable and it is unobvious violate it is of the invention before
It puts, arbitrary form combination can be carried out between technical characteristic described in different technologies scheme and form other technologies scheme.With
Upper specific embodiment and embodiment are that invention is explained in detail, but not limits the scope of the present invention
It is fixed, it modifies and replaces in the principle without departing from claim, be within the scope of protection of the invention interior.
Claims (4)
1. a kind of complex weedicide, it is characterised in that: the Herbicidal combinations active constituent is by sulfone pyrrole grass azoles and oxadiargyl
The weight ratio of composition, the sulfone pyrrole grass azoles and oxadiargyl is 1:60~60:1.
2. complex weedicide according to claim 1, it is characterised in that: the sulfone pyrrole grass azoles and oxadiargyl it is preferred
Weight ratio is 1:30~30:1.
3. complex weedicide according to claim 1, it is characterised in that: the sulfone pyrrole grass azoles and oxadiargyl it is preferred
Weight ratio is 1:10~10:1.
4. complex weedicide according to claim 1, it is characterised in that: suspending agent, water is made by effective component and auxiliary material
Dispersible granule, wettable powder, dispersible oil-suspending agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810511467.0A CN110521730A (en) | 2018-05-24 | 2018-05-24 | A kind of complex weedicide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810511467.0A CN110521730A (en) | 2018-05-24 | 2018-05-24 | A kind of complex weedicide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110521730A true CN110521730A (en) | 2019-12-03 |
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ID=68657601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810511467.0A Pending CN110521730A (en) | 2018-05-24 | 2018-05-24 | A kind of complex weedicide |
Country Status (1)
| Country | Link |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562976A (en) * | 2006-12-21 | 2009-10-21 | 组合化学工业株式会社 | Herbicide composition |
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2018
- 2018-05-24 CN CN201810511467.0A patent/CN110521730A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562976A (en) * | 2006-12-21 | 2009-10-21 | 组合化学工业株式会社 | Herbicide composition |
| CN103250708A (en) * | 2006-12-21 | 2013-08-21 | 组合化学工业株式会社 | Herbicidal composition |
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Application publication date: 20191203 |
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