CN101288405B - Herbicidal compositions and its application - Google Patents
Herbicidal compositions and its application Download PDFInfo
- Publication number
- CN101288405B CN101288405B CN2007100978086A CN200710097808A CN101288405B CN 101288405 B CN101288405 B CN 101288405B CN 2007100978086 A CN2007100978086 A CN 2007100978086A CN 200710097808 A CN200710097808 A CN 200710097808A CN 101288405 B CN101288405 B CN 101288405B
- Authority
- CN
- China
- Prior art keywords
- compound
- herbicidal combinations
- agent
- combination
- weeds
- 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.)
- Active
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a weeding combination, which is a duality weeding combination consisting of the effective components of compound (a) and compound (b). The compound (a) is atrazine (2-chlorine-4-ethylamino-6-isopropylamino-1, 3, 5-triazine); the compound(b) is a compound with the structure of formula (I), wherein, R is Na or K, and X is Br or I; the weight ratio of compound (a) and compound (b) is 1: 0.08-8. The invention further discloses an application of the weeding combination, i.e., the weeding combination is used for preventing and eliminating the ruderal weeds of gramineae and broadleaf in farmlands of corn, sugar cane, etc., after seedling. The prevention effect of the combination is better than the activity in the separate use of herbicides, and the combination can bring surprising enhancing effect. Additionally, the combination has positive effect on the following aspects such as expanding the scope of prevention and cure of ruderal weeds, reducing the times of application and lowering the cost of application, etc. The combination of the invention is safe to the growth of the existing corn and later crops.
Description
Technical field
The invention belongs to pesticide field, relate in particular to a kind of Herbicidal combinations that improves performance.
Background technology
Atrazine is the triazine selective herbicide, is mainly used in to prevent and kill off corn, Chinese sorghum, sugarcane, tea place, orchard and field, rubber plantation annual gramineous weed and broad leaved weed.Before belonging to selectivity inner sucting conduction type seedling, herbicide after seedling, mainly absorb and be transmitted to meristematic tissue and blade face with plant root, by the electronics transmission that suppresses in the photosynthesis of plant weeds are caused death.The poisoning symptom of weeds shows as vane tip and the edge produces chlorosis, and then extends to blade, and it is withered to cause complete stool eventually.Because the corn ketone in the corn body can decompose atrazine, therefore, to corn safety very.But, will the safety of succession crop growth be affected as the excessive grade of amount of application, and will induce the generation of weeds resistance as improper use.And the main way that solves this contradiction at present is exactly to filter out the composition that has synergistic effect with it, thereby reduces the amount of application of atrazine list agent itself, can play the effect that succession crop safety, delaying drug resistance are produced.The weed killer herbicide of the benzyl cyanogen type of Brominal or ioxynil or their derivative is prevented and treated broadleaf weed individually or in the mixture mode widely after cereal field or other economic crops Tanakas are used for bud, usually, these weed killer herbicides abbreviate " HFH " as.In such weed killer herbicide, what especially will mention is: the sylvite of the sylvite of Brominal or sodium salt, ioxynil or sodium salt.HFH class weed killer herbicide mainly uses behind bud in early days, is that a kind of selectivity cauline leaf is handled the contact killing type weed killer herbicide.Mainly absorb,, make necrosis rapidly by suppressing photosynthesis by blade.This type of weed killer herbicide only only is confined to prevent and kill off the field broad leaved weed, and is very low to the activity of grassy weed.This type of weed killer herbicide also is a present corn field weed killer herbicide commonly used, moderate cost, and to when, succession crop safety, this medicament has good preventive effect to broad leaved weed between corn field, and is very low to the removing activity of grassy weed.
Summary of the invention
Purpose of the present invention: at atrazine deficiency in actual applications, a kind of Herbicidal combinations with synergistic effect is provided, make advantages such as it has efficiently, low toxicity, low-residual, low cost, and grass family and broad leaved weed all there are fine preventive effect, thereby are enlarging killing the grass spectrum, improve herbicidal effect, reduce poisoning, slowing down aspects such as the drug-fast generation of weeds and the succession of community and obtain better effect of weed killer herbicide crop.
Particularly, the invention provides a kind of re-compounded binary herbicide composition, active component is compound (a) and compound (b), compound (a) is 2-chloro-4-ethylamino--6-isopropylamine base-1,3,5-triazine (atrazine, atrazine), compound (b) is for being selected from wherein a kind of compound of (I) design feature that has formula; Wherein, R is Na or K, and X is Br or I; Compound (a) is 1:0.08～8 than the weight ratio of compound (b).
Described R is preferably Na.
Described compound (a) is preferably 1:0.1～5 than the weight ratio of compound (b).
Described Herbicidal combinations comprises the active component of 10～90 weight %, and surplus is the conventional auxiliary agent of agricultural chemicals.
Described auxiliary agent is made of jointly one or more mixtures and surfactant in carrier, adhesive, dispersant, protecting colloid, thickener, thixotropic agent, bleeding agent, stabilizing agent, chelating agent, dyestuff, colouring agent or the polymer.
Described " carrier " represents a kind of organic or inorganic, natural or synthetic material, and they help using of active component.This carrier generally be inertia and must to be that agricultural goes up acceptable, particularly processed plant is accepted.Carrier can be a solid, as potter's clay, natural or synthetic silicate, silica, resin, wax, solid fertilizer etc.; Perhaps liquid is as water, alcohols, ketone, petroleum cuts, aromatic hydrocarbons or wax hydrocarbon, chlorohydrocarbon, liquefied gas etc.
Described surfactant can comprise emulsifier, dispersant or wetting agent, and it can be ionic or nonionic.The example that can mention be polyacrylic salt, lignosulfonates, phenolsulfonic acid or naphthalene sulfonic acids salt, oxirane and fatty alcohol or with aliphatic acid or with the polymer of aliphatic amine and fortified phenol (particularly alkylphenol or aryl phenol); sulfosuccinate, the phosphate of the phenol of taurine derivatives (particularly taurine alkane ester) and alcohol phosphate or multi-hydroxy ethylization.At least need a kind of surfactant to exist, with help active component in water dispersion and help making them can correctly be applied to plant.
Composition of the present invention can mix with conventional solid that uses in the prescription of prior art and liquid additive, is prepared into formulations such as water dispersible granules, wetting powder, granule.The character that is had separately according to these compositions can be selected as spraying, atomizing according to purpose that will reach and ambient conditions, dusts, broadcasts sowing, bold and vigorous watering or the application process of seed soaking etc. and so on.
As the solid form composition, having of can mentioning is following several: (content of its active component is generally than higher for water dispersible granules, usually between 50%～90%), normally prepared by the agglomeration of wettable powder type composition in suitable granular system, make this formulation.
Wetting powder is general to be prepared with such method, promptly so that it contains 20～90% active component is as the criterion, except that solid carrier, they generally contain 0～7% wetting agent, 3～10% dispersant in case of necessity, contains 0～10% one or more other additive again.As dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Granule can prepare with following method, will contain the active component of 5～40 weight portions, the stabilizing agent of 0.1～45 weight portion, and the carrier of 12～90 weight portions is formed.There is no particular limitation to be suitable for prilling process of the present invention, it can be the conventional method of selecting to make pesticide granules, as conventional method, can enumerate wet granulation, dry granulation, stirring granulation, extruding granulation etc., especially, utilize the extruding granulation can make granule easy and at an easy rate.
The present invention also provides described Herbicidal combinations in the application of preventing and kill off aspect corn, the sugarcane crop Tanaka weeds.
Composition of the present invention, promptly comprising active component (a) and Herbicidal combinations (b) can be applied on the surface of pending plant by the method for spraying, promptly be applied to and cut weeds, particularly harmful weed infestation or easy the invasion on the surface that influences to plant growth, generally at corn or sugarcane postemergence application, the application dosage of these active components is usually at 1000～1450 gram/hectares, preferred 850～1300 gram/hectares.According to the character that these compositions had, can select as spraying, atomizing according to the purpose that will reach and ambient conditions, dust, broadcast sowing, bold and vigorous watering or the application process of seed soaking etc. and so on.
When compound (a) and compound (b) when using jointly, obtained unforeseeable synergistic effect.The specific activity of above-mentioned Herbicidal combinations is used the activity expection summation of single weed killer herbicide, and single weed killer herbicide (a) and independent activity (b) are more remarkable.Synergistic effect shows as that amount of application reduces, wideer weeds control spectrum, the faster onset of herbicide effect, more lasting control efficiency, by once or minority use several times just can control better and be harmful to crop and widened possible dispenser interval.These characteristics are needed in the weeds control practice process.
In addition, Herbicidal combinations of the present invention also has following advantage:
1, Herbicidal combinations of the present invention has good control efficiency (seeing embodiment for details) for Tanakas' such as corn, sugarcane weeds.Simultaneously, composition unit of the present invention application dosage is lower than the agent of atrazine list.The agent of atrazine list is prevented and kill off corn field weed and is generally per hectare and uses active ingredient 1150～1500 gram, preventing and kill off sugarcane field per hectare active ingredient is 1200～1550 grams compositions of the present invention, composition of the present invention is prevented and kill off corn field weed and is generally per hectare and uses active ingredient 1000～1300 gram, preventing and kill off sugarcane field per hectare active ingredient is 1100～1450 grams compositions of the present invention, and the whole amount of application of atrazine has reduced by 120～650 grams.Therefore, composition of the present invention is compared the agent of atrazine list, has reduced the accumulation toxicity of atrazine in soil, thus when having avoided using atrazine separately to the harm of crops such as back stubble wheat, soybean, rape.
2, the herbicidal composition drug effect lasting period of the present invention long, generally reach 70 days, therefore reduced spraying times, widened dispenser interval.
3, solved in recent years the difficult problem of preventing and treating that weeds resistance, weed community to triazine herbicide develops the anti-weeds of pernicious difficulty that occur.
Embodiment
The following example and unrestricted the present invention, and be used for just illustrating how the present invention realizes.For some weeds, these embodiment demonstrate significant especially validity.
A, example of formulations
Embodiment 1. water dispersible granules
In compound (b), R is Na, when X is Br, can be with the mixture of active principles (atrazines of the Brominal sodium salt of 9 weight portions+66 weight portions) of 75 weight portions, the Sodium Laurylsulfate of 4 weight portions, 9 weight portion wooden calcium sulfonates, the kaolin of 2 weight account polyethylenes alcohol and 10 weight portions.
After the mentioned component mixing, in bolt type dish formula flour mill, wear into fine powder, powder is made it granulation by the water that sprays as granulation liquid in fluid bed, make Herbicidal combinations of the present invention.
Embodiment 2. wetting powders
In compound (b), R is K, when X is I, can be with the mixture of active principles (atrazines of the ioxynil sylvite of 35 weight portions+45 weight portions) of 80 weight portions, the glycerine of 3 weight portion Fluhyzon formaldehyde condensation products sodium sulfonates, 2 weight portion neopelexes, 1 weight portion, the white carbon black of 14 weight portions is mixed, through ultramicro grinding, make powder reach fineness requirement, and use double helical form mixer and colter formula mixer through repeatedly mixing, product is mixed, thereby make the high-load formulation of Herbicidal combinations of the present invention.
Embodiment 3. granules
In compound (b); R is Na; when X is Br; can be with the mixture of active principles (atrazines of the Brominal sodium salt of 22 weight portions+6 weight portions) of 28 weight portions; the calcium stearate of the atoleine of the polyvinyl alcohol of 4 weight portions, 8 weight portions, 3 weight portions; the clay of 57 weight portions; the above-mentioned substance mixing is obtained 100 parts of mixture of powders; and add an amount of water; mix with small-sized kneader, the Ran Jinhang granulation, dry with the whole grain of pelletizing machine back; sieve, can obtain Herbicidal combinations of the present invention.
B, the test of pesticide effectiveness
1), composition of the present invention is prevented and kill off the fresh weight preventive effect of corn field weed.
During dispenser, corn was 4～6 leaf phases, weeds 2～5 leaf phase dispensers.Investigation in 32 days is to weeds fresh weight preventive effect behind medicine.
The weed killer herbicide of the present invention of table 1, different proportioning and formulation is to the preventive effect of corn field weed
Above treatment dosage is to the equal safety of corn.(Brominal, atrazine list agent amount of application are The Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC's registration usage amount.)
2), weed killer herbicide of the present invention is prevented and kill off sugarcane field weeds result of the test (seeing Table 2) after 35 days:
The weed killer herbicide of the present invention of different proportionings of table 2. and formulation is to the preventive effect of sugarcane field weeds
As can be seen from the above table, component (a) and the composition of (b) forming have good herbicidal effect for single, double cotyledon weeds such as the Procumbent Falsepimpernel in the sugarcane field, lady's-grass, Eclipta prostratas, more than handle the equal safety of sugarcane.
Claims (9)
1. Herbicidal combinations, it is characterized in that: active component is made up of compound (a) and compound (b), compound (a) is 2-chloro-4-ethylamino--6-isopropylamine base-1,3,5-triazine, compound (b) are selected from have following structural a kind of compound of (I), wherein, R is Na or K, and X is Br or I; Compound (a) is 1: 0.1～5 than the weight ratio of compound (b).
2. Herbicidal combinations according to claim 1 is characterized in that: the X in the described compound (b) is Br.
3. Herbicidal combinations according to claim 1 is characterized in that: the X in the described compound (b) is I.
4. Herbicidal combinations according to claim 1 is characterized in that: the R in the described compound (b) is Na.
5. according to arbitrary Herbicidal combinations described in the claim 1～4, it is characterized in that: described Herbicidal combinations comprises the active component of 10～90 weight %, and surplus is the conventional auxiliary agent of agricultural chemicals.
6. Herbicidal combinations according to claim 5 is characterized in that: described auxiliary agent is made of jointly one or more mixtures and surfactant in carrier, adhesive, dispersant, protecting colloid, thickener, thixotropic agent, bleeding agent, stabilizing agent, chelating agent, dyestuff, colouring agent or the polymer.
7. Herbicidal combinations according to claim 6 is characterized in that: described carrier is wherein two or more mixture of potter's clay, natural or synthetic silicate, silica, resin, wax, solid fertilizer, water, alcohols, ketone, petroleum cuts, aromatic hydrocarbons or wax hydrocarbon, chlorohydrocarbon or liquefied gas; Described surfactant is phosphate one or more the mixture wherein of phenol of polymer, sulfosuccinate, taurine alkane ester, alcohol phosphate or the multi-hydroxy ethylization of polyacrylate, lignosulfonates, phenolsulfonic acid or naphthalene sulfonate, alkylphenol or aryl phenol.
8. Herbicidal combinations according to claim 1 is characterized in that: the formulation of described composition is water dispersible granules, wetting powder or granule.
9. the application of the described Herbicidal combinations of claim 1 is characterized in that: described Herbicidal combinations is used to prevent and kill off corn, sugarcane crop Tanaka's weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100978086A CN101288405B (en) | 2007-04-18 | 2007-04-18 | Herbicidal compositions and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100978086A CN101288405B (en) | 2007-04-18 | 2007-04-18 | Herbicidal compositions and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101288405A CN101288405A (en) | 2008-10-22 |
| CN101288405B true CN101288405B (en) | 2011-08-17 |
Family
ID=40032993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100978086A Active CN101288405B (en) | 2007-04-18 | 2007-04-18 | Herbicidal compositions and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101288405B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106538548A (en) * | 2016-10-31 | 2017-03-29 | 广西兴业县至珍生态园农业科技有限公司 | It is a kind of can improved soil steriland herbicide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998017110A1 (en) * | 1996-10-25 | 1998-04-30 | Monsanto Company | Composition and method for treating plants with exogenous chemicals |
| CN1498076A (en) * | 2001-03-20 | 2004-05-19 | �ȿ˻�ѧ�ɷ�����˾ | Phytopharmaceutical alloy compositions |
-
2007
- 2007-04-18 CN CN2007100978086A patent/CN101288405B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998017110A1 (en) * | 1996-10-25 | 1998-04-30 | Monsanto Company | Composition and method for treating plants with exogenous chemicals |
| CN1498076A (en) * | 2001-03-20 | 2004-05-19 | �ȿ˻�ѧ�ɷ�����˾ | Phytopharmaceutical alloy compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101288405A (en) | 2008-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101601404B (en) | Weeding composition containing penoxsulam and bensulfuron-methyl | |
| CN106305757A (en) | Synergistic weeding composition containing diflufenican and thiencarbazone methyl | |
| CN103749480A (en) | Paddy field herbicide composition and application | |
| CN101773142A (en) | Herbicide composition containing glufosinate and oxadiazon and application thereof | |
| CN102027992A (en) | Synergistic herbicidal composition for uncultivated land and orchard | |
| CN101601403B (en) | Weeding composition containing cyhalofop-butyl and bensulfuron-methyl for paddy field | |
| CN104472501A (en) | Synergism weeding composition | |
| CN106719720A (en) | A kind of herbicidal composition containing bentazone | |
| CN101803604A (en) | Weeding composition | |
| CN101292663A (en) | Herbicidal combination containing methyl sulcotrione | |
| CN101288405B (en) | Herbicidal compositions and its application | |
| CN106259357A (en) | There is the Herbicidal combinations of potentiation | |
| CN101288399B (en) | Herbicidal composition and use thereof | |
| CN103229773B (en) | Complex herbicidal composition | |
| CN101601408B (en) | Enhanced weed-killing composition | |
| CN103053575A (en) | Nicosulfuron-atrazine mixed herbicide | |
| CN102258027B (en) | Synergistic weeding composition | |
| CN106332885B (en) | Herbicidal combinations with synergistic effect | |
| CN115707382A (en) | Weeding composition containing penoxsulam, pretilachlor and fluroxypyr-meptyl | |
| CN103081944A (en) | Weeding composition and herbicide | |
| CN101715769A (en) | Weeding composite | |
| CN101803603A (en) | Field weeding composite of wheat | |
| CN100539839C (en) | A kind of wheat field herbicide composition that contains tralkoxydim | |
| CN104814016A (en) | Corn field weed control composition | |
| CN108576037A (en) | A kind of corn field herbicide composition of killing combination containing thiencarbazone-methymesotrione |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 224100 Yancheng City, Dafeng, Jiangsu, king of southern Gangzha Patentee after: JIANGSU HUIFENG BIO AGRICULTURE Co.,Ltd. Address before: 224173, Jiangsu County, Dafeng City, Fengzhen province new village gate two Patentee before: JIANGSU HUIFENG AGROCHEMICAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210425 Address after: 224100 south of Wei'er road and jing'er Road, Biotechnology Park, Port Economic Zone, Dafeng District, Yancheng City, Jiangsu Province Patentee after: Andao maihuifeng (Jiangsu) Co.,Ltd. Address before: 224100 Yancheng City, Dafeng, Jiangsu, king of southern Gangzha Patentee before: JIANGSU HUIFENG BIO AGRICULTURE Co.,Ltd. |
|
| TR01 | Transfer of patent right |