CN108064858A - A kind of Herbicidal combinations - Google Patents
A kind of Herbicidal combinations Download PDFInfo
- Publication number
- CN108064858A CN108064858A CN201610997657.9A CN201610997657A CN108064858A CN 108064858 A CN108064858 A CN 108064858A CN 201610997657 A CN201610997657 A CN 201610997657A CN 108064858 A CN108064858 A CN 108064858A
- Authority
- CN
- China
- Prior art keywords
- butyl
- cyhalofop
- penoxsuam
- fluorine pyridine
- chlorine fluorine
- 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
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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 invention discloses a kind of Herbicidal combinations containing chlorine fluorine pyridine ester, cyhalofop-butyl and penoxsuam, active ingredient is chlorine fluorine pyridine ester, cyhalofop-butyl and penoxsuam, wherein, the weight percent 0.5% ~ 20% of chlorine fluorine pyridine ester, the weight percent 1% ~ 50% of cyhalofop-butyl, the weight percent 0.5% ~ 20% of penoxsuam, the present invention expands herbicidal spectrum, herbicidal effect is notable, extends the lasting period, to succession crop safety.
Description
Technical field
The invention belongs to technical field of pesticide, be related to it is a kind of containing chlorine fluorine pyridine ester, cyhalofop-butyl, penoxsuam three
First Herbicidal combinations.
Background technology
Rice is main cereal crop, and rice is the staple food grain of the population in the world 1/3rd, almost accounts for its food
2/3rds.According to FAO (Food and Agriculture Organization of the United Nation), the whole world endangers about 250 kinds of the weeds of staple food crop, becomes influence
An important factor for crop yield.There are weeding by machine and chemical herbicide weeding for the processing mode of weeds at present, use chemistry
Herbicide can not only save large quantities of labours, raise labour productivity, but also common mechanical is made to be difficult to weeds between the seedling removed
It is removed, makes mechanization further perfect, traditional tillage and cultivation method is made also to be improved.Therefore, chemical herbicide is ground
Study carefully and using being increasingly valued by people.
Chlorine fluorine pyridine ester (florpyrauxifen) is the new aryl pyridine carboxylic acid esters herbicide of Tao benefit agriculture exploitation,
It can have absorbability, can be conducted through xylem and bast and be accumulated in weeds by the blade and root absorption of plant
Separate living tissue, so as to play activity of weeding.Chlorine fluorine pyridine ester wide spectrum, efficient, quick-acting, dosage is low, and cauline leaf process after bud can be used for
More crops, more areas including rice prevent and kill off grassy weed, broad leaved weed and nutgrass flatsedge.Since its mechanism of action is novel,
So as to solve known resistance problem, including to acetolactate synthestase (ALS) inhibitor, acetyl-CoA carboxylase
(ACCase) inhibitor, p-hydroxyphenypyruvate dioxydenase (HPPD) inhibitor, propanil, dichloro quinolinic acid, glyphosate, three
Piperazine class herbicide etc. generates the weeds of resistance.There is extraordinary activity to rice terrace resistance barnyard grass.
Cyhalofop-butyl (cyhalofop-butyl) is a kind of fragrant phenoxy phenoxy propionic acid herbicide, there is height to pacify rice
Quan Xing has uptake and translocation.Medicament is absorbed via the blades of weeds, leaf sheath, is conducted through bast, is accumulated in mitogenetic group of weeds
Area is knitted, resists acetyl-CoA carboxylase, stops aliphatic acid synthesis, the growth division of cell cannot be normally carried out, membranous system etc.
Structure containing fat is destroyed, and finally results in Plant death.Cyhalofop-butyl is higher to grass family moleplant seed preventive effect, while and anti-lady's-grass, double
Fringe ditch millet, green bristlegrass, eleusine indica etc..Cyhalofop-butyl is invalid to sedge weed and broad leaved weed, especially to 4 leaf more than broad-leaveds
Weeds；Also only has certain inhibitory action to 2 leaf age angustifolia arrowhead herbs during high dose, herbicide controlling spectrum is relatively narrow.Cyhalofop-butyl for many years one
It is directly promoted and applied in the form of single dose, the rising year by year of Weed Resistance caused by after use, dosage increases year by year, and use cost is got over
Come higher.
After penoxsuam (penoxsulam) is the seedling developed by Tao Nongke companies of the U.S. (DowAgroSciences)
With herbicide, it is triazolopyrimidine sulfonamide herbicide, is worked by inhibiting acetolactate synthestase (ALS).Five fluorine
Sulphur grass amine is translocated herbicide, absorbs through cauline leaf, young shoot and root system, is conducted by xylem and bast to separate living tissue,
Inhibit plant strain growth, make growing point chlorosis, direct-sowing dry field, direct-sowing rice, rice seedling bed and rice transplanting, rice transplanting cultivation suitable for rice
Field, to rice safety.
The use lack of standardization of herbicide, which results in various regions, at present constantly herbicide resistance and the report of poisoning.Pesticide
Compounding to use be the current most economical effective method for mitigating poisoning, improving drug effect.We are careless by chlorine fluorine pyridine ester, cyanogen fluorine
The different herbicide mixture of three kinds of ester, penoxsuam herbicide effect modes, to reduce the generation of resistance, can prevent field simultaneously
Between a variety of weeds, expand herbicide controlling spectrum, reduce the influence to soil environment, increase economic efficiency.
The content of the invention
It is an object of the invention to be directed to the problem that develops immunity to drugs in the prior art to farmland weed, a kind of weeding effect is provided
Fruit is good, quick-acting is high, the lasting period is long while environmentally safe, Herbicidal combinations easy to use, to reduce peasant's dispenser into
This, increases economic efficiency.It is specifically related to chlorine fluorine pyridine ester, cyhalofop-butyl, the Herbicidal combinations of penoxsuam.
The Herbicidal combinations are equipped with auxiliary agent known to a person skilled in the art, and suspending agent, suspension emulsion, wettable is made
Property pulvis, water dispersible granules, dispersible oil-suspending agent.
In the Herbicidal combinations, the weight percent of chlorine fluorine pyridine ester is 0.5%~20%, the weight hundred of cyhalofop-butyl
Divide than being 0.5%~20% for the weight percent of 1%~50%, penoxsuam.
The Herbicidal combinations have the advantage that and advantageous effect：1. active ingredient is novel, the mechanism of action is unique, confrontation
The integrated control of property weeds is significant；2. expanding herbicide controlling spectrum, solves the limitation that single dose uses；3. rice is pacified
Entirely, to succession crop safety；4. three kinds of herbicide mixtures have synergistic effect, use cost is low, and stability increases.
Specific embodiment
In order to verify that three kinds of chlorine fluorine pyridine ester, cyhalofop-butyl, penoxsuam active ingredient compoundings can have good increasing
Effect acts on, and applicant is tested under room temperature condition of pot first, measures chlorine fluorine pyridine ester, cyhalofop-butyl, penoxsuam
And its different mixture combination herbicidal effects, evaluate its synergy.
Experiment selects no awns barnyard grass and angustifolia arrowhead herb as target weeds.
The preparation of test medicine：
Chlorine fluorine pyridine ester solution：The accurate chlorine fluorine pyridine ester active compound for weighing constant weight 91%, is dissolved with proper amount of methanol, added
Enter the clear water containing 0.1% Tween 80 emulsifier, be stirred until homogeneous, contain certain active ingredient solution.
Cyhalofop-butyl solution：The accurate cyhalofop-butyl active compound for weighing constant weight 95%, is dissolved, addition contains with proper amount of methanol
Have the clear water of 0.1% Tween 80 emulsifier, be stirred until homogeneous, contain certain active ingredient solution.
Penoxsulam amine aqueous solution：The accurate penoxsuam active compound for weighing constant weight 95%, is dissolved with proper amount of methanol, added
Enter the clear water containing 0.1% Tween 80 emulsifier, be stirred until homogeneous, contain certain active ingredient solution.
Placebo solution：Add the water of the Tween 80 emulsifier of equivalent 0.1% with the methanol of equivalent.
Test method is as follows：Using colby methods examine it is mixed after medicament to the activity of no awns barnyard grass, angustifolia arrowhead herb, high 7cm,
The soil of the polypots amount of setting of diameter 10cm, by uniformly in polypots, lid 0.5-1cm is thick for sowing for 20, the seed of examination weeds
Thin sand and soil, be placed on room temperature (20 DEG C or so) day optical culture, the above-mentioned a bulk solution prepared is compounded and is diluted to certain dense
The liquid of gradient is spent, cauline leaf spraying treatment is carried out when weed growth is to the 3-5 leaf phases, per alms bowl spraying liquid 1ml, each processing 4
It repeats, is compared using blank solution.Test material is placed in room temperature and cultivates after processing, the growing state of routine observation weeds,
The damage symptoms of target weeds and growth inhibition situation are estimated after 21 days, weighs strain fresh weight, calculates fresh weight inhibition rate (%).
The mode of application (with reference to NY/T1155.7-2006) of herbicide, E are evaluated according to colby methods0=A × B × C/
1002, wherein, E is the actual measurement preventive effect of mixe herbicide in formula, and A is the Weed-control effect of chlorine fluorine pyridine ester, and B is the miscellaneous of cyhalofop-butyl
Careless preventive effect, E0For the theoretical preventive effect of mixe herbicide, C is the Weed-control effect of penoxsuam, E-E0Make for the joint of mixture preparation
With coefficient, to evaluate the synergistic effect of two kinds of active ingredient, evaluation criterion：Work as E-E0＞ 10% be synergistic effect, E-E0＜-
10% is antagonism, E-E0Value is addition between theoretical value ± 10%.
1 chlorine fluorine pyridine ester of table, cyhalofop-butyl and penoxsuam different ratio are to the raw test of no awns barnyard grass activity of weeding
As a result
As can be seen from Table 1, three kinds of active ingredient compoundings, have good synergistic effect to the preventive effect of no awns barnyard grass.
2 chlorine fluorine pyridine ester of table, cyhalofop-butyl and penoxsuam different ratio are to the raw test of angustifolia arrowhead herb activity of weeding
As a result
As can be seen from Table 2, compounded between three kinds of active ingredients, have good synergistic effect to the preventive effect of angustifolia arrowhead herb.
After three kinds of active ingredient compoundings it can be seen from Tables 1 and 2 experimental data compared with single dose, preventive effect is far above three
Kind single dose, the synergy coefficient to no awns barnyard grass and angustifolia arrowhead herb has been more than 12%, has good synergistic effect, and expands
Herbicide controlling spectrum.
Below by way of specific example to be further described the present invention, but the present invention be only limited to absolutely not it is following these
Embodiment, it is impossible to be interpreted as following embodiment and limit the scope of the present invention.Percentage is weight percentage in formula.
Formulation examples are as follows：
Embodiment 1 (the 14% dispersible oil-suspending agent of chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam)
Embodiment 2 (42% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam water dispersible granules)
Embodiment 3 (34% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam suspension emulsion)
Embodiment 4 (the 9% dispersible oil-suspending agent of chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam)
Embodiment 5 (8% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam suspension emulsion)
Embodiment 6 (12% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam wettable powder)
Embodiment 7 (the 24% dispersible oil-suspending agent of chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam)
Embodiment 8 (the 10% dispersible oil-suspending agent of chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam)
Embodiment 9 (16% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam water dispersible granules)
Embodiment 10 (the 12% dispersible oil-suspending agent of chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam)
Embodiment 11 (45% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam water dispersible granules)
Embodiment 12 (12% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam suspending agent)
Selection above example carries out the field efficacy experiment of prevention paddy field weed, to determine that formula is prevented in rice terrace
The effect of weeds, while by compared with chlorine fluorine pyridine ester, cyhalofop-butyl and penoxsuam, determining the synergy after compounding
Effect, specific implementation are as follows：
Experiment one：24% chlorine fluorine pyridine ester cyhalofop-butyl penoxsuam dispersible oil-suspending agent (dosage form English name
Claim：OD) and other preparations prevention herbicide for paddy field is tested.Test medicine is prepared according to examples detailed above and uses 3% chlorine
Fluorine pyridine emulsifiable concentrate (dosage form English name：), EC 1O% cyhalofop-butyl missible oils (dosage form English name：), EC 25g/L penoxsulams
Amine disperses oil-suspending agent (dosage form English name：OD) compareed, medicament carries out cauline leaf even spraying after being watered, and each handles 4
A repetition, is compared using clear water.Cell random alignment, plot area 50m2.Each medicament is calculated respectively within 15 days and 30 days after medicine
Fresh weight preventive effect.Preventive effect calculates according to the following equation：
The field control effectiveness test result of 3 each chemical control paddy field weed of table
From above-mentioned data, it is apparent that after chlorine fluorine pyridine ester, cyhalofop-butyl and penoxsuam ternary built, own
Embodiment to the preventive effect of no awns barnyard grass and angustifolia arrowhead herb more than 85%, far above chlorine fluorine pyridine ester, cyhalofop-butyl, penoxsuam three
Preventive effect of the single dose to two kinds of weeds is planted, complex preparation has obviously synergistic effect, expands herbicide controlling spectrum, extends holding effect
Phase so as to reduce the amount of labour of peasant, increases economic efficiency, to rice safety without poisoning.
Claims (3)
1. a kind of Herbicidal combinations, it is characterised in that：The composition active ingredient is by chlorine fluorine pyridine ester, cyhalofop-butyl, five fluorine
Sulphur grass amine forms, and the weight percent of the chlorine fluorine pyridine ester is 0.5%~20%, the weight percent of cyhalofop-butyl for 1%~
50%, the weight percent of penoxsuam is 0.5%~20%.
2. Herbicidal combinations according to claim 1, it is characterised in that：Suspending agent is made by active ingredient and auxiliary material, is hanged
Emulsion, wettable powder, water dispersible granules, dispersible oil-suspending agent.
3. application of the Herbicidal combinations according to claim 1 in killing weeds in rice field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610997657.9A CN108064858A (en) | 2016-11-11 | 2016-11-11 | A kind of Herbicidal combinations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610997657.9A CN108064858A (en) | 2016-11-11 | 2016-11-11 | A kind of Herbicidal combinations |
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| Publication Number | Publication Date |
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| CN108064858A true CN108064858A (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610997657.9A Pending CN108064858A (en) | 2016-11-11 | 2016-11-11 | A kind of Herbicidal combinations |
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| Country | Link |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661524A (en) * | 2012-07-24 | 2015-05-27 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid |
-
2016
- 2016-11-11 CN CN201610997657.9A patent/CN108064858A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661524A (en) * | 2012-07-24 | 2015-05-27 | 美国陶氏益农公司 | Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6-(4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid |
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Application publication date: 20180525 |