CN105432648A - Weeding composition - Google Patents
Weeding composition Download PDFInfo
- Publication number
- CN105432648A CN105432648A CN201510969448.9A CN201510969448A CN105432648A CN 105432648 A CN105432648 A CN 105432648A CN 201510969448 A CN201510969448 A CN 201510969448A CN 105432648 A CN105432648 A CN 105432648A
- Authority
- CN
- China
- Prior art keywords
- active ingredient
- effective ingredient
- fluroxypyr
- nicosulfuron
- bromoxynil octanoate
- 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.)
- Pending
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
- A01N37/38—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
- A01N37/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic 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
- 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
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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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 weeding composition. The weeding composition is composed of an effective ingredient a, an effective ingredient b and an auxiliary agent, the effective ingredient a is bromoxynil octanoate, the effective ingredient b is one selected from fluroxypyr and nicosulfuron, the weight ratio of the effective ingredient a to the effective ingredient b is 1:20-20:1, and the total weight percentage of the effective ingredient a and the effective ingredient in the weeding composition is 1%-90%. When the weeding composition is applied to control and remove annual weeds in corn field, the control effect is obviously increased compared with that of a single agent, also the usage amount of pesticides is reduced, pesticide cost is reduced, the service life of the pesticide is prolonged, and adverse influence of the pesticide on ecological environment is reduced.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to the Synergistic Herbicidal combinations that one is active ingredient with bromoxynil octanoate and fluroxypyr (or nicosulfuron), be applicable to prevent and kill off corn field annual weed.
Background technology
Bromoxynil octanoate (Bromoxyniloctanoate) is cauline leaf process contact killing type weed killer herbicide after selectivity seedling, absorb primarily of blade, extremely limited conduction is carried out in plant corpus, by each process of inhibited photosynthesis, comprise and suppress photophosphorylation reaction and electron transmission, particularly photosynthetic Hill reaction, make plant tissue downright bad rapidly, thus reach herbicide object, when temperature is higher, speeding-up blade is withered, efficient to multiple broad leaved weeds such as corn field knotweed, lamb's-quarters, amaranth, conical silene herb, black nightshade, Siberian cocklebur, field bindweeds.
Fluroxypyr (Fluroxypyr) or the different monooctyl ester of fluroxypyr (Fluroxypyr-meptyl) are pyridine fluoroacetic acid class weed killer herbicide, it is hormone herbicide, can be conducted by the blade of plant and root absorption, make plant deformity, distortion is dead, mainly prevent and kill off annual broadleaf weed, invalid to grassy weed.The different monooctyl ester of fluroxypyr prevents and kill off broad leaved weed as broad leaved weeds such as clearvers, chickweed, field bindweed, kitchen garden, water peanut, acalypha copperleafs with being applicable to gramineous crop field and fruit-bearing forest tea.
Nicosulfuron (Nicosulfuron) belongs to sulfonylurea herbicide, as efficient corn herbicide, nicosulfuron uses after low dosage bud, effectively can prevent and kill off multiple annual gramineous weed in corn field, fraction broad leaved weed and sedge weed, it is absorbed rapidly by leaf and root, and conducted rapidly by xylem and phloem, by the synthesis suppressing acetolactate synthestase to stop branched-chain amino acid, use rear weeds to stop growing immediately, within 4 ~ 5 days, young leaves fades, downright bad, and progressively expand to whole plant, plant death in 20 ~ 25 days after process under general condition.Corn has good drug resistance to this medicine, occurs temporary transient chlorisis or slight hypoevolutism, but generally can recover rapidly and the not underproduction after process.
The mixture of different pesticide species is the common methods of preventing and kill off agriculture resistance disease pest and weed.Being screened by formulation of pesticide, filter out rational formula, can effectively improve actual preventive effect, reduce dosage, reduce costs, delay the drug-fast generation of disease pest and weed, is the important means that agricultural synthesis is administered.The recipe determination of the present inventor to bromoxynil octanoate and fluroxypyr (or nicosulfuron) conducts in-depth research, find that bromoxynil octanoate and fluroxypyr (or nicosulfuron) carry out mixture, there are synergy or summation action in certain mixed ratio scope to weeds, can effectively prevent and kill off corn field annual weed.After further study, the present invention is completed.
Summary of the invention
The object of the invention is to solve in prior art and farmland weed is developed immunity to drugs problem and promote drug effect, a kind of efficient, low toxicity, environmental protection are provided, are conducive to the Herbicidal combinations of the farmland weed comprehensive regulation.
Another object of the present invention is to provide and is used for preventing and kill off farmland weed by this Herbicidal combinations, is particularly useful for preventing and kill off corn field annual weed etc.
Technical scheme: a kind of Herbicidal combinations, be made up of active ingredient a and active ingredient b and auxiliary agent, active ingredient a is bromoxynil octanoate, active ingredient b is selected from the one in fluroxypyr or nicosulfuron, the weight ratio of active ingredient a and active ingredient b is 1:20 ~ 20:1, active ingredient a and active ingredient b weight summation in the composition percentage by weight are 1% ~ 90%, and all the other are allow in pesticidal preparations to use and acceptable insecticides adjuvant.
Herbicidal combinations of the present invention is prepared into any one formulation being applicable to agriculturally using by known method, as formulations such as water dispersible granules, wetting powder, suspending agent, oil-suspending agents.
The auxiliary agent used in Herbicidal combinations of the present invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc., and to be of value to active ingredient stable and play the known substance of drug effect in the formulation, be all various compositions that are conventional in pesticidal preparations or permission use, concrete composition and consumption are determined by test according to recipe requirements.
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.The frequency of administration of the present composition and amount of application change with weather conditions and the change of weeds situation, can reach the object of preventing and kill off by using suitable dosage.
The present composition is applicable to prevent and kill off farmland weed, is particularly useful for corn field annual weed.
Compared with prior art, the invention has the advantages that:
1, two kinds of active ingredient mixtures have obvious synergistic effect, improve preventive effect, decrease Pesticide use amount, reduce cost and the pollution to environment;
2, the combination of two kinds of active ingredients, expands herbicidal spectrum, and two kinds of active ingredient mechanism of action are different simultaneously, can overcome the shortcoming that single dose easily produces resistance, extend the service life of medicament.The application of composition can delay or overcome the generation of herbicide resistance, is conducive to agricultural synthesis and administers.Expand and prevent and kill off spectrum;
3, composition pesticide provided by the invention, to crop safety.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
First, sketch essence of the present invention, a kind of Herbicidal combinations, active ingredient a and active ingredient b and auxiliary agent composition, active ingredient a is bromoxynil octanoate, and active ingredient b is selected from the one in fluroxypyr or nicosulfuron, and the weight ratio of active ingredient a and active ingredient b is 1:20 ~ 20:1, active ingredient a and active ingredient b weight summation in the composition percentage by weight are 1% ~ 90%, and all the other are insecticides adjuvant.
Evaluate weed killer herbicide associated form (NY/T1155.7-2006) according to Gowing method, its formula is as follows:
In formula:
X be bromoxynil octanoate alone with certain dosage time fresh weight inhibition to target weeds;
Y be selected from fluroxypyr or nicosulfuron alone with certain dosage time fresh weight inhibition to target weeds;
E
0for bromoxynil octanoate, be selected from fluroxypyr or nicosulfuron two kinds of pharmacy mix time to the theoretical value of target weeds fresh weight inhibition or desired value;
E is bromoxynil octanoate, be measured value or the observation of contrast to target weeds fresh weight inhibition when being selected from fluroxypyr or nicosulfuron two kinds of pharmacy mix.
Evaluation criterion: as E ﹣ E
0during > 10%, be expressed as synergistic function; As ﹣ 10%≤E ﹣ E
0when≤10%, show as collaborative summation action; As E ﹣ E
0during < ﹣ 10%, show as joint action of antagonism.
Embodiment one: bromoxynil octanoate, fluroxypyr are to piemarker (Abutilontheophrasti, ABUTH), Amaranthus retroflexus (Amaranthusretroflexus, AMARE), acalypha copperleaf (Acalyphaaustralis, ACAAU) Toxicity Determination.
15 days bromoxynil octanoates after table one, medicine, fluroxypyr and composite to bud phase piemarker (Abutilontheophrasti in greenhouse, ABUTH), Amaranthus retroflexus (Amaranthusretroflexus, AMARE), the control result of acalypha copperleaf (Acalyphaaustralis, ACAAU).
Evaluate weed killer herbicide associated form according to Colby method, table one data show, and bromoxynil octanoate, fluroxypyr binary combination are remarkable to ACAAU synergistic effect, E-E
0value is all greater than 20%.
Embodiment two: bromoxynil octanoate, nicosulfuron and composite to piemarker (Abutilontheophrasti, ABUTH), Amaranthus retroflexus (Amaranthusretroflexus, AMARE), acalypha copperleaf (Acalyphaaustralis, ACAAU) Toxicity Determination.
15 days bromoxynil octanoates after table two, medicine, nicosulfuron and composite to bud phase piemarker (Abutilontheophrasti in greenhouse, ABUTH), Amaranthus retroflexus (Amaranthusretroflexus, AMARE), the control result of acalypha copperleaf (Acalyphaaustralis, ACAAU).
Weed killer herbicide associated form is evaluated according to Colby method, table two data show, bromoxynil octanoate, nicosulfuron binary combination are to piemarker (Abutilontheophrasti, ABUTH), Amaranthus retroflexus (Amaranthusretroflexus, AMARE), acalypha copperleaf (Acalyphaaustralis, ACAAU) synergistic effect is remarkable, E-E
0value is all greater than 20%.
Embodiment three: (bromoxynil octanoate fluroxypyr water dispersible granules)
Above-mentioned material is added in cone-type mixer together and mixes; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 600 mesh standard sieves; add in kneader and be kneaded into plasticity material; finally this material is put into Squeezinggranulator extruder grain, after drying, screening, after granulation, namely obtain the bromoxynil octanoate fluroxypyr water dispersible granules of corresponding percentage by weight.
Embodiment four: (bromoxynil octanoate water dispersible granule of nicosulfuron)
Above-mentioned material is added in cone-type mixer together and mixes; pulverize by airslide disintegrating mill; material after pulverizing mixes through cone-type mixer again; mixed fineness of materials 98% is by 600 mesh standard sieves; add in kneader and be kneaded into plasticity material; finally this material is put into Squeezinggranulator extruder grain, after drying, screening, after granulation, namely obtain the bromoxynil octanoate water dispersible granule of nicosulfuron of corresponding percentage by weight.
Embodiment five: (bromoxynil octanoate fluroxypyr wetting powder)
Above-mentioned material is added in cone-type mixer together and mixes, pulverize by airslide disintegrating mill, material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98%, by 600 mesh standard sieves, obtains the bromoxynil octanoate fluroxypyr wetting powder of corresponding percentage by weight.
Embodiment six: (bromoxynil octanoate nicosulfuron wetting powder)
Above-mentioned material is added in cone-type mixer together and mixes, pulverize by airslide disintegrating mill, material after pulverizing is again through cone-type mixer mixing, and mixed fineness of materials 98%, by 600 mesh standard sieves, obtains the bromoxynil octanoate nicosulfuron wetting powder of corresponding percentage by weight.
Embodiment seven: (bromoxynil octanoate fluroxypyr suspending agent)
Pulverized in advance in proportion by above-mentioned formula, then add in sand mill and grind, after high shear mixing, allotment obtains the bromoxynil octanoate fluroxypyr suspending agent of corresponding percentage by weight.
Embodiment eight: (bromoxynil octanoate nicosulfuron suspending agent)
Pulverized in advance in proportion by above-mentioned formula, then add in sand mill and grind, after high shear mixing, allotment obtains the bromoxynil octanoate nicosulfuron suspending agent of corresponding percentage by weight.
Embodiment nine: (bromoxynil octanoate fluroxypyr oil-suspending agent)
Above-mentioned material (except organobentonite) is joined in reactor mixer together, stir 2 hours, open pan feeding valve at the bottom of still, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material puts into high-shear emulsifying still again together with the organobentonite dissolved in advance, namely can be made into the bromoxynil octanoate fluroxypyr oil-suspending agent of the good corresponding percentage by weight of flowing to property after emulsification.
Embodiment ten: (bromoxynil octanoate nicosulfuron oil-suspending agent)
Above-mentioned material (except organobentonite) is joined in reactor mixer together, stir 2 hours, open pan feeding valve at the bottom of still, material is injected stage sand grinding machine to grind, fineness of materials 98% after grinding is by discharging after 1-5um, material puts into high-shear emulsifying still again together with the organobentonite dissolved in advance, namely can be made into the bromoxynil octanoate nicosulfuron oil-suspending agent of the good corresponding percentage by weight of flowing to property after emulsification.
Embodiment 11: bromoxynil octanoate, be selected from fluroxypyr or nicosulfuron herbicide agent composition prevents and kill off Spring Maize annual weed field control effectiveness test.
Test site is positioned at peaceful town, Panjin City Panshan County, Liaoning Province, Spring Maize annual weed includes but are not limited to piemarker (Abutilontheophrasti, ABUTH), Amaranthus retroflexus (Amaranthusretroflexus, AMARE), acalypha copperleaf (Acalyphaaustralis, ACAAU), field bindweed (Convolvulusarvensis, CONAR).
Table three, bromoxynil octanoate, fluroxypyr herbicidal composition are to peaceful town Spring Maize annual weed field control effectiveness test result
Embodiment 12: bromoxynil octanoate and nicosulfuron herbicide agent composition prevent and kill off corn field of summer annual weed field control effectiveness test.
Test site is positioned at Xiao Zhang gulf village, market town, Funan County side of Anhui Province, corn field of summer annual weed includes but are not limited to piemarker (Abutilontheophrasti, ABUTH), Amaranthus retroflexus (Amaranthusretroflexus, AMARE), acalypha copperleaf (Acalyphaaustralis, ACAAU), field bindweed (Convolvulusarvensis, CONAR).
Table four, bromoxynil octanoate, be selected from fluroxypyr or nicosulfuron herbicide agent composition the other side market town corn field of summer annual weed field control effectiveness test result
Claims (3)
1. a Herbicidal combinations, it is characterized in that: be made up of active ingredient a and active ingredient b and auxiliary agent, active ingredient a is bromoxynil octanoate, active ingredient b is selected from the one in fluroxypyr or nicosulfuron, the weight ratio of active ingredient a and active ingredient b be 1:20 ~ 20:1, active ingredient a and active ingredient b weight summation in the composition percentage by weight be 1% ~ 90%.
2. a kind of Herbicidal combinations according to claim 1, is characterized in that: the formulation of described Herbicidal combinations is the one in water dispersible granules, wetting powder, suspending agent, oil-suspending agent.
3. a kind of Herbicidal combinations according to claim 1, is characterized in that: for preventing and kill off corn field annual weed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969448.9A CN105432648A (en) | 2015-12-18 | 2015-12-18 | Weeding composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969448.9A CN105432648A (en) | 2015-12-18 | 2015-12-18 | Weeding composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105432648A true CN105432648A (en) | 2016-03-30 |
Family
ID=55543643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510969448.9A Pending CN105432648A (en) | 2015-12-18 | 2015-12-18 | Weeding composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105432648A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417339A (en) * | 2016-08-25 | 2017-02-22 | 陕西上格之路生物科学有限公司 | Ternary herbicidal composition |
| CN116035011A (en) * | 2023-01-10 | 2023-05-02 | 青岛金尔农化研制开发有限公司 | Weeding composition, herbicide and application thereof in lily crop fields |
-
2015
- 2015-12-18 CN CN201510969448.9A patent/CN105432648A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417339A (en) * | 2016-08-25 | 2017-02-22 | 陕西上格之路生物科学有限公司 | Ternary herbicidal composition |
| CN116035011A (en) * | 2023-01-10 | 2023-05-02 | 青岛金尔农化研制开发有限公司 | Weeding composition, herbicide and application thereof in lily crop fields |
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Application publication date: 20160330 |