CN101288399B - Herbicidal composition and use thereof - Google Patents
Herbicidal composition and use thereof Download PDFInfo
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- CN101288399B CN101288399B CN200710097818XA CN200710097818A CN101288399B CN 101288399 B CN101288399 B CN 101288399B CN 200710097818X A CN200710097818X A CN 200710097818XA CN 200710097818 A CN200710097818 A CN 200710097818A CN 101288399 B CN101288399 B CN 101288399B
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Abstract
The invention discloses a weeding combination. The active components of the combination consist of a compound (a) and a compound (b). The compound (a) is mesotrione, and the compound (b) is a compound (I) which has the following structure characters, wherein, R is H, Na or K, and X is Br or I; the weight ratio of the compound (a) and the compound (b) is 1: 0.08-7. The invention further discloses an application of the weeding combination, the weeding combination is used for preventing and eliminating grassy weed and broadleaf in corn farmlands. The prevention effect of the combination is better than the activity in the separate application of the herbicide, and the combination can bring surprising enhancing effect, guarantee production rate of crops, is convenient in use, lowers the cost of application, expands prevention and cure of weeds, reduces the times of application and decreases labor intensity.
Description
Technical field
The present invention relates to a kind of the have Herbicidal combinations that improves performance, specifically a kind of weed killer herbicide that is used for preventing and kill off corn field grass family and broad leaved weed.
Background technology
Being used for the main weed killer herbicide kind that the maize seedling rear defence removes weeds in field at present mainly contains: acetamide-group herbicides, as alachlor, Acetochlor etc., the drug effect of this type of weed killer herbicide is subjected to outside weather influence bigger, as influenced by soil moisture content, and herbicidal effect significantly reduces during the soil moisture content difference; Triazine herbicide: represent kind to have: cyanazine, Simanex, this class weed killer herbicide mainly is to be absorbed as the master with root system, and it is long between the longevity of residure in soil, be unfavorable for crop rotation, not only influence back stubble brassicaceous vegetable, and also can produce poisoning to a certain degree wheat, the soybean of back stubble; And in the cauline leaf inorganic agent, dicamba, 2,4-D fourth fat only have preventive effect preferably to broad leaved weed, and be very low to the removing activity of grassy weed.Mesotrione is a kind of novel three ketones weed killer herbicide, mainly prevents and kill off grassy weed and part broad leaved weed, and main feature is: instant effect, the soil longevity of residure is short, so to succession crop safety.Its removing activity wants height and sulphur humulone more than 10 times, therefore has more the potentiality to be exploited and the market competitiveness, because it is environmentally friendly, this weed killer herbicide in 2002 has been ratified extensively to promote in the U.S. and EU countries.But it is undesirable as effects such as Siberian cocklebur, kitchen garden, field bindweeds for part broad leaved weed common in the corn field.The weed killer herbicide of the benzyl cyanogen type of Brominal or ioxynil or their derivative, usually, these weed killer herbicides abbreviate " HFH " as.In such weed killer herbicide, what especially will mention is: " Brominal " or claim 3, the sylvite or the sodium salt of 5-two bromo-4-hydroxyl benzyl cyanogen and Brominal; " ioxynil " or claim 3,5-two iodo-4-hydroxyl benzyl cyanogen, and the sylvite of ioxynil or sodium salt.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
The objective of the invention is: under above-mentioned background, provide a kind of new Herbicidal combinations, made advantages such as it has efficiently, low toxicity, low-residual, low cost, and grass family and broad leaved weed are all had fine preventive effect.Thereby enlarge to kill the grass spectrum, improving herbicidal effect, reducing residual activity, reducing poisoning, slowing down aspects such as the drug-fast generation of weeds and the succession of community and obtain better effect crop.
Particularly, the invention provides a kind of Herbicidal combinations, it is characterized in that: active component is made up of compound (a) and compound (b), and compound (a) is a mesotrione, and compound (b) is selected from the compound that structure is formula (I); Wherein, R is H, Na or K, and X is Br or I; Compound (a) is 1:0.08～7 than the weight ratio of compound (b).
R in the above-claimed cpd (b) is preferably Na.
Above-claimed cpd (a) is preferably 1:0.1～5 than the weight ratio of compound (b).
Above-mentioned Herbicidal combinations comprises the active component of 8～92 weight %, and surplus is the conventional auxiliary agent of agricultural chemicals.
Above-mentioned 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.
Above-mentioned " carrier " represents a kind of organic or inorganic, natural or synthetic material.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.
Above-mentioned 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.
The formulation that composition of the present invention can be processed has suspending agent, aqua, wetting powder, granule etc.
Suspending agent is to prepare with following method, promptly be as the criterion not form sedimental stable fluid, they generally contain the active component of 10～85 weight portions, 0.5 the surfactant of～45 weight portions, the additive that 0～10 weight portion is suitable such as dyestuff, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent and bleeding agent and adhesive etc., carrier can be water or organic liquid, active component indissoluble or water fast can be dissolved in some solid organic matter or mineral salt in the liquid so that help sediments to form or as the antifreezing agent of water.
Aqua is to prepare with following method, the active component that will contain 5～90 weight portions, the surfactant of 1～35 weight portion, the additive that 0～10 weight portion is suitable such as dyestuff, colouring agent, foam reducing composition, corrosion inhibitor, stabilizing agent and bleeding agent and adhesive etc., carrier is a water, can make this formulation by stirring.
Wetting powder is generally with such method preparation, promptly so that its active component that contains 10～92 weight portions be as the criterion, except that solid carrier, they generally contain the wetting agent of 0～7 weight portion, the dispersant of 3～10 weight portions, in case of necessity, one or more other the additive that contains 0～10 weight portion 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 30～90 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.
Above-mentioned Herbicidal combinations is used to prevent and kill off corn crop Tanaka's 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, the application dosage of these active components is usually at 550～1200 gram/hectares, preferred 600～1050 gram/hectares.
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.These characteristics are needed in the weeds control practice process.With regard to described characteristic, these new compositions are superior to existing weed killer herbicide significantly.
Herbicidal combinations of the present invention also has following advantage:
1, to useful plant growth safety.When composition of the present invention is used, not only to when a stubble corn growth safety, and also also all very safe to wheat, soybean, the rape of back stubble.Residence time weak point in crop and soil, easily by soil degrading, no accumulation toxicity.
2, reduce spraying times.The composition lasting period that the present invention proposes is long, can reach about 2～3 months, can effectively control most of grass family and broad leaved weed behind the maize seedling by 1～2 dispenser, has reduced spraying times.
3, herbicidal composition cost of the present invention is low, easy to use, and it applies huge economic benefit and social benefit.Compare with the after-seedling herbicide for maize nicosulfuron, mu from 14～18 yuan, is reduced to 7～10 yuan/mu with cost, has saved cost greatly.
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. wetting powders
In compound (b), R is Na, when X is Br, can be with the mixture of active principles (mesotriones of the Brominal sodium salt of 4 weight portions+36 weight portions) of 40 weight portions, the glycerine of 3 weight portion Fluhyzon formaldehyde condensation products sodium sulfonates, 4 weight portion neopelexes, 0.4 weight portion, 52.6 weight portion kaolin 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 this formulation.
Embodiment 2. suspending agents
In compound (b), R is H, when X is Br, the activity of 30 weight portions can be mixture (mesotriones of the Brominal of 11 weight portions+19 weight portions), the calcium lignosulfonate of 11 weight portions, the carboxymethyl cellulose of 4 weight portions, the water of the propane diols of 2 weight portions and 53 weight portions makes this mixture by master operations such as mixing, stirring, sand millings.
Embodiment 3. suspending agents
In compound (b), R is H, when X is I, above suspending agent also can make with the following methods: the activity of 25 weight portions is mixture (mesotriones of the ioxynil of 9 weight portions+16 weight portions), 1.5 the weight portion Sodium Polyacrylate, 3.0 weight portion propane diols, 14.0 weight portion lignosulfonates, 5.0 weight portion octyl phenol polyglycol ether (11-14 moles of ethylene oxide), 51.5 weight parts waters.
Embodiment 4. aquas
In compound (b), R is H, when X is Br, raw material is the mixture of active principles (mesotriones of the Brominal of 35.5 weight portions+7 weight portions) of 42.5 weight portions, the N-Methyl pyrrolidone of 5 weight portions, the mixture that 3 weight portion sulfonated castor oils, the Tween-60 of 11 weight portions and Si Ben-60 mix according to the 1:1 ratio, the water of 39.5 weight portions.Behind two kinds of abundant mixings of active component, add Tween-60 and the mixture that Si Ben-60 mixes according to the 1:1 ratio, continue to stir, and constantly add water simultaneously, form emulsion, add N-Methyl pyrrolidone again, stir evenly, add sulfonated castor oil at last, stir about 1 hour, get final product this formulation.
Embodiment 5. granules
In compound (b), R is K, when X is Br; can be with the mixture of active principles (mesotriones of the Brominal sylvite of 5 weight portions+17 weight portions) of 21 weight portions; 3.5 the calcium stearate of the atoleine of the polyvinyl alcohol of weight portion, 7 weight portions, 4 weight portions, the clay of 64.5 weight portions obtains 100 parts of mixture of powders with the above-mentioned substance mixing; and add an amount of water; mix with small-sized kneader, carry out granulation again, dry with the whole grain of pelletizing machine back; sieve, can obtain said preparation.
B, the test of pesticide effectiveness
1), composition of the present invention is prevented and kill off corn field of summer and is mixed with herbal medicine and imitates test.Profile test is as follows:
1. test site is carried out in Jiangsu Hui Feng agricultural science and technology company experimental field, and preceding stubble is a wheat;
2. corn is in artificial program request on May 25th, 2006, corn variety: Yedan No.13.
3. meteorology and soil information: 14.8 ℃ of the minimum air temperatures, 4 of rain days in 10 days after the dispenser, rainfall 40.9mm; The soil texture is a viscosity, middle fertility, pH value 7.1.
4. spraying time June 23, corn was 3 leaf phases during dispenser, and annual weed mostly was for 2～4 phases greatly.
5 treatment regions are established in test, and a check plot, each sub-district are 2.6m * 3.8m.Use composition of the present invention the preventive effects of the different weeds in field is seen Table 1.
The preventive effect of table 1. spraying after 35 days
More than handle all very safe to corn growth.From above data as can be seen, grassy weed and broad leaved weed all have excellent preventive effect to composition of the present invention between corn field to preventing and kill off.
Claims (9)
1. Herbicidal combinations, it is characterized in that: active component is made up of compound (a) and compound (b), and compound (a) is a mesotrione, and compound (b) is selected from the compound that structure is formula (I); Wherein, R is H, 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 compound (b) is Br.
3. Herbicidal combinations according to claim 1 is characterized in that: the X in the compound (b) is I.
4. Herbicidal combinations according to claim 1 is characterized in that: the R in the compound (b) is Na.
5. according to the described arbitrary Herbicidal combinations of claim 1～4, it is characterized in that: comprise the active component of 8～92 weight %, 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 one or more the mixture wherein such as phosphate 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 that described composition can prepare is suspending agent, aqua, 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 crop Tanaka's weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710097818XA CN101288399B (en) | 2007-04-18 | 2007-04-18 | Herbicidal composition and use thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710097818XA CN101288399B (en) | 2007-04-18 | 2007-04-18 | Herbicidal composition and use thereof |
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| Publication Number | Publication Date |
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| CN101288399A CN101288399A (en) | 2008-10-22 |
| CN101288399B true CN101288399B (en) | 2010-12-08 |
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| CN200710097818XA Active CN101288399B (en) | 2007-04-18 | 2007-04-18 | Herbicidal composition and use thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2555462B (en) | 2016-10-31 | 2021-07-07 | Rotam Agrochem Int Co Ltd | Herbicidal composition comprising mesotrione |
| CN111955467A (en) * | 2020-07-20 | 2020-11-20 | 京博农化科技有限公司 | Corn field herbicide composition containing topramezone, composition preparation and application thereof |
| CN111955465A (en) * | 2020-07-20 | 2020-11-20 | 京博农化科技有限公司 | Weeding composition containing topramezone, mesotrione and bromoxynil octanoate and application thereof |
| CN114223659B (en) * | 2021-12-01 | 2024-03-05 | 内蒙古农业大学 | Oat field weeding composition and preparation and application methods thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1363217A (en) * | 2001-01-10 | 2002-08-14 | 关丽杰 | Herbicide for corn field |
| CN1596649A (en) * | 2004-08-25 | 2005-03-23 | 马韵升 | Herbicide composition containing methyl sulcotrione |
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- 2007-04-18 CN CN200710097818XA patent/CN101288399B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1363217A (en) * | 2001-01-10 | 2002-08-14 | 关丽杰 | Herbicide for corn field |
| CN1596649A (en) * | 2004-08-25 | 2005-03-23 | 马韵升 | Herbicide composition containing methyl sulcotrione |
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| CN101288399A (en) | 2008-10-22 |
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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. |
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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. |
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