CN101292663A - Herbicidal combination containing methyl sulcotrione - Google Patents
Herbicidal combination containing methyl sulcotrione Download PDFInfo
- Publication number
- CN101292663A CN101292663A CNA2007100980940A CN200710098094A CN101292663A CN 101292663 A CN101292663 A CN 101292663A CN A2007100980940 A CNA2007100980940 A CN A2007100980940A CN 200710098094 A CN200710098094 A CN 200710098094A CN 101292663 A CN101292663 A CN 101292663A
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- weedicide
- nicosulfuron
- mesotrione
- weeds
- weed
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Abstract
The invention relates to a weedicide composite for preventing and removing farmland weeds, in particular to a weedicde used for preventing and removing grassy weeds and broadleaf weeds in corn fields in one time. The weedicide composite of the invention is a binary weedicide mixture of active components of mesotrione and nicosulfuron, wherein, the weight ratio between the mesotrione and the nicosulfuron is 1: 50-0.50. The preventing effect of the composite is superior to the activity of weedicide by using exclusively, and unexpected synergism is obtained by combination; moreover, the weedicide composite has the positive influence in widening weed preventing and treating scope, reducing weedicide applying time, and decreasing weedicide applying cost, which is safe for the growth of corn in culture and after crops.
Description
Technical field
The present invention relates to a kind of the have Herbicidal combinations that improves performance, specifically a kind of Herbicidal combinations that is used for effectively preventing and kill off grassy weed between corn field, broad leaved weed.
Background technology
Mesotrione is a kind of novel three ketones weed killer herbicide, mainly prevents and kill off grassy weed and part broad leaved weed between corn field, and main feature is: instant effect, the soil longevity of residure is short, so to succession crop safety.The mechanism of action of mesotrione is act on carotenoid synthetic.Because its removing activity is higher than the sulphur humulone more than 10 times, therefore have more the potentiality to be exploited and the market competitiveness, mesotrione is environmentally friendly, goes through extensively to promote in the U.S. and EU countries in 2002.Nicosulfuron is a kind of sulfonylurea herbicide, is mainly used in to prevent and kill off grassy weed and broad leaved weed between corn field.Nicosulfuron is the inner sucting conduction type weed killer herbicide, can be absorbed and conduct rapidly by stem leaves of plants and root, by suppressing the activity of acetolactate synthestase (ALS) in the plant corpus, stop branched-chain amino acid (leucine, isoleucine) synthetic and then stop that DNA's during the cell division is synthetic, cell can not normal growth, and sensitive plant is stopped growing.The weeds symptom of being injured is lobus cardiacus flavescence, chlorosis, albefaction, other leaves flavescence successively from top to bottom then.For good preventive effect was arranged before 4 leaf phases of annual weed, 5 leaf phases of perennial weed.The resistance of sulfonylurea herbicide studies show that early than discovery in 1987, uses sulfonylurea herbicide 3-5 continuously separately, and 7-14 is individual month at interval, and responsive biotype is eliminated, and the pesticide resistance weeds will occupy advantage.
The variation of acetolactate synthestase (ALS) and sulfonylurea herbicide is produced the weeds of resistance, at present effective method is that the weed killer herbicide that sulfonylurea herbicide is different with its mechanism of action is mixed, so not only can reach the purpose of preventing and kill off, and can enlarge and kill that grass is composed, saved time, saving of labor, reduction dosage, alleviate pressure environment, also overcoming and delay the speed of its resistant weed generation simultaneously effectively, is the good method of resistance management.
Summary of the invention
Purpose of the present invention: at the superiority of mesotrione and each comfortable practical application of nicosulfuron and the deficiency in the use, the weed killer herbicide of two kinds of different mechanisms of action is made up, a kind of herbicides compounds with synergistic effect is provided, have efficient, low toxicity, a low-residual in the hope of further invention is a kind of, and grass family and broad leaved weed are all had the one-time weeding composition of fine preventive effect.It can improve herbicidal effect, reduce residual activity, enlarge and kill the grass spectrum, reduce poisoning to crop, slow down aspects such as the drug-fast generation of weeds and the succession of community and have positive role.
Technical scheme of the present invention is: a kind of Herbicidal combinations of effectively preventing and kill off grassy weed between corn field, broad leaved weed, contain mesotrione and nicosulfuron, and agricultural goes up the conventional auxiliary agent of acceptable agricultural chemicals.
In above-mentioned Herbicidal combinations, the weight ratio of mesotrione and nicosulfuron is 1: 50～0.50, preferred 1: 30～0.8.
Usually, Herbicidal combinations of the present invention comprises the active component of 4～85 weight portions, and the conventional auxiliary agent of the agricultural chemicals of 96～15 weight portions.
The conventional auxiliary agent of the present composition can be carrier, surfactant, adhesive and dispersant etc.
A kind of organic or inorganic, natural or synthetic material represented in term herein " carrier ".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.
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.
Above-mentioned composition also can contain various other components, as protecting colloid, adhesive, thickener, thixotropic agent, bleeding agent, stabilizing agent, chelating agent, dyestuff, colouring agent and polymer.
In brief, composition of the present invention can mix with conventional solid that uses in the prescription of prior art and liquid additive.
Composition of the present invention can be suspending agent, aqua, wetting powder, water dispersible granules, 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 4-85 weight portion, 0.5-45 the surfactant of weight portion, the additive that the 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 to help sedimental formation or as the antifreezing agent of water.
Aqua is to prepare with following method, the active component that will contain the 5-90 weight portion, the surfactant of 1-35 weight portion, the additive that the 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 the 10-85 weight portion 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 portion, in case of necessity, one or more other the additive that contains the 0-10 weight portion again.As dyestuff, colouring agent, bleeding agent, adhesive or anti-caking agent etc.
Water dispersible granules can prepare by following method, and the active component that is about to contain the 35-90 weight portion is as the criterion, and is equipped with certain suitable carriers, auxiliary agent.Normally prepared, made this formulation by the agglomeration of wettable powder type composition in suitable granular system.
Granule can prepare with following method, will contain the active component of 5-40 weight portion, the stabilizing agent of 0.1-45 weight portion, and the carrier of 12-90 weight portion 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.
Composition of the present invention, the Herbicidal combinations that promptly comprises active component mesotrione, nicosulfuron can be applied on the surface of pending plant by the method for spraying, promptly be applied to by 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 250-1600 gram/hectare, preferred 270-1400 gram/hectare.
When composition of the present invention is used, obtained unforeseeable synergistic effect.The specific activity of Herbicidal combinations of the present invention is used the activity expection summation of single weed killer herbicide, and the independent activity of single weed killer herbicide mesotrione and nicosulfuron is 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 and widened possible dispenser interval.These characteristics are needed in the weeds control practice process.
Herbicidal combinations of the present invention also has following advantage:
1, easy to use.Composition of the present invention can be used for (closed soil treatment) before the seedling, also can be used for seedling after the cauline leaf spraying handle.The use optimum period, is long, also shows certain activity of weeding for the elder weed of weeds 6-8 leaf phase.
2, to working as stubble corn and succession crop safety.Composition of the present invention is through verification experimental verification, not only to when the safety of stubble corn fine, and behind the medicine 3 months, also all very safe to wheat, soybean, rape, the Chinese sorghum of back stubble.Residence time weak point in crop and soil, no accumulation toxicity.
3, enlarged grass spectrum extremely.The monocotyledon weed preventive effect of nicosulfuron after to maize seedling is good, but is not very desirable to the preventive effect of some broad-leaved.The ketone weed killer herbicide then is that the preventive effect to broad leaved weed is better than monocotyledon weed.Both make up to use with and have remedied defective separately, have given full play to advantage.
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
1), wetting powder
Mixture of active principles (mesotriones of the nicosulfuron of 2 weight portions+48 weight portions) with 50 weight portions, 3 weight portion methylcellulose, 0.2 the glycerine of weight portion, 46.8 the white carbon black of weight portion 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.
2), suspending agent
Mixture of active principles (mesotriones of the nicosulfuron of 9 weight portions+19 weight portions) with 28 weight portions, the neopelex of 13 weight portions, the carboxymethyl cellulose of 6 weight portions, the water of the propane diols of 3 weight portions and 50 weight portions makes this mixture by master operations such as mixing, stirring, sand millings.
3), water dispersible granules
Mixture of active principles (mesotriones of the nicosulfuron of 71 weight portions+4 weight portions) with 75 weight portions, 4 weight portion methylcellulose, 5 weight portion saponin, 2 weight account polyethylene alcohol, 14 weight portion kaolin, above-mentioned substance is evenly mixed, grinds, mixes suitable quantity of water and granulation, promptly get said preparation after the drying.
4), granule
With the mixture of active principles (mesotriones of the nicosulfuron of 11 weight portions+37 weight portions) of 48 weight portions, the agricultural newborn 500# of 4 weight portions, the agricultural newborn 1600# of 5 weight portions, 8 weight portions draw back powder, the calcium stearate of 2 weight portions, the diatomite of 33 weight portions.Above-mentioned substance is evenly mixed, stirs, mix an amount of water and mediate, the mixture of gained through granulation, drying get final product said preparation.
B, the test of pesticide effectiveness
1), utilize the preparation of example of formulations 2,3 and 4 to measure its co-toxicity coefficient to corn field common weed lady's-grass, kitchen garden
Test method: the seed of quantitative lady's-grass, kitchen garden is sowed at respectively highly in the Disposable paper cup of 9cm, the every basin of kitchen garden is broadcast 10～15, lady's-grass is broadcast 15～20, earthing 1cm cultivates in the greenhouse after flattening trickle, treat 3～4 leaf phases of lady's-grass, during 2 leaf periods of kitchen garden, the processing of on crawler type crop sprayer, spraying.Processing is placed in the greenhouse and cultivates according to a conventional method, and each processing of routine observation is to the preventive effect of weeds, and weeds acrial part fresh weight is respectively handled in weighing after 30 days, calculates its toxicity regression formula and co-toxicity coefficient.Co-toxicity coefficient is greater than 100, and the expression two compositions has synergistic effect; Co-toxicity coefficient is less than 100, and the expression two compositions has antagonism.Measurement result sees Table 1, table 2.
Table 1. composition of the present invention is prevented and kill off the indoor determination of activity of lady's-grass
Table 2. composition of the present invention is prevented and kill off the indoor determination of activity of kitchen garden
2). utilize the preparation of example of formulations 2 and embodiment 3 to prevent and kill off corn field and be mixed with herbal medicine and imitate test
During dispenser, corn is in the 4-5 leaf phase, 7 leaf periods of acalypha copperleaf, 4 leaf phases of eleusine indica, 4 leaf phases of lady's-grass.And after dispenser 40 days " Invest, Then Investigate " control efficiency.
Claims (4)
1. Herbicidal combinations, active component is mesotrione and nicosulfuron, the weight ratio of mesotrione and nicosulfuron is: 1: 50～0.50.
2. according to the Herbicidal combinations of claim 1, wherein, the weight ratio of mesotrione and nicosulfuron is 1: 30～0.8.
3,, wherein comprise the active component of 4～85 weight portions and the conventional auxiliary agent of agricultural chemicals of 96～15 weight portions according to the Herbicidal combinations of claim 1 or 2.
4. claim 1 or 2 Herbicidal combinations are prevented and kill off the purposes of weeds in the corn field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100980940A CN101292663A (en) | 2007-04-28 | 2007-04-28 | Herbicidal combination containing methyl sulcotrione |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100980940A CN101292663A (en) | 2007-04-28 | 2007-04-28 | Herbicidal combination containing methyl sulcotrione |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101292663A true CN101292663A (en) | 2008-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100980940A Pending CN101292663A (en) | 2007-04-28 | 2007-04-28 | Herbicidal combination containing methyl sulcotrione |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265884A (en) * | 2010-06-03 | 2011-12-07 | 南京华洲药业有限公司 | Mixed herbicide containing bentazone, nicosulfuron and mesotrione, and use thereof |
| WO2013067706A1 (en) * | 2011-11-11 | 2013-05-16 | Rotam Agrochem International Co., Ltd | Herbicidal composition and method of using the same |
| CN103120174A (en) * | 2013-02-06 | 2013-05-29 | 吉林省八达农药有限公司 | Weed killer composition |
| EP2797418A2 (en) | 2011-12-27 | 2014-11-05 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition comprising nicosulfuron or its salt and s-metolachlor or its salt |
| CN104126573A (en) * | 2014-07-21 | 2014-11-05 | 江苏长青农化股份有限公司 | Preparation method of 25% nicosulfuron, mesotrione oil suspending agent |
| CN106305751A (en) * | 2016-08-22 | 2017-01-11 | 江苏辉丰农化股份有限公司 | Pesticide composition |
-
2007
- 2007-04-28 CN CNA2007100980940A patent/CN101292663A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265884A (en) * | 2010-06-03 | 2011-12-07 | 南京华洲药业有限公司 | Mixed herbicide containing bentazone, nicosulfuron and mesotrione, and use thereof |
| CN102265884B (en) * | 2010-06-03 | 2013-09-18 | 南京华洲药业有限公司 | Mixed herbicide containing bentazone, nicosulfuron and mesotrione, and use thereof |
| WO2013067706A1 (en) * | 2011-11-11 | 2013-05-16 | Rotam Agrochem International Co., Ltd | Herbicidal composition and method of using the same |
| EP2797418A2 (en) | 2011-12-27 | 2014-11-05 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition comprising nicosulfuron or its salt and s-metolachlor or its salt |
| EP2797418B1 (en) * | 2011-12-27 | 2017-05-10 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition comprising nicosulfuron or its salt and s-metolachlor or its salt |
| US9648881B2 (en) | 2011-12-27 | 2017-05-16 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition comprising nicosulfuron or its salt and S-metolachlor or its salt |
| US10092002B2 (en) | 2011-12-27 | 2018-10-09 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition comprising nicosulfuron or its salt and S -metolachlor or its salt |
| CN103120174A (en) * | 2013-02-06 | 2013-05-29 | 吉林省八达农药有限公司 | Weed killer composition |
| CN104126573A (en) * | 2014-07-21 | 2014-11-05 | 江苏长青农化股份有限公司 | Preparation method of 25% nicosulfuron, mesotrione oil suspending agent |
| CN104126573B (en) * | 2014-07-21 | 2016-03-09 | 江苏长青农化股份有限公司 | The preparation method of 25% nicosulfuron, mesotrione oil-suspending agent |
| CN106305751A (en) * | 2016-08-22 | 2017-01-11 | 江苏辉丰农化股份有限公司 | Pesticide composition |
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Open date: 20081029 |