CN1182535A - Herbicide composition - Google Patents
Herbicide composition Download PDFInfo
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- CN1182535A CN1182535A CN 97107211 CN97107211A CN1182535A CN 1182535 A CN1182535 A CN 1182535A CN 97107211 CN97107211 CN 97107211 CN 97107211 A CN97107211 A CN 97107211A CN 1182535 A CN1182535 A CN 1182535A
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- methyl
- herbicide
- killer herbicide
- tribenuron
- weed killer
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Abstract
The invented herbicide composition is composed of 55-98% of oxazole diclofop-methyl and 2-10% of tribenuron-methyl or/and chlorosulfuron and/or methsul furon methyl and assisted with 2-10% of plant penetrant and 3-30% of herbicide emulgent. The inveted herbicide features broad spectrum of herbicidal action, good herbicidal result, long effect-keeping period, safety to crops, capable of controlling the grass harm for wheat farmland in whole bearing period by once application of said herbicide.
Description
The present invention relates to a kind of Herbicidal combinations, especially the Herbicidal combinations of control of weed in wheat field.
Though existing wheatland is various in style with weed killer herbicide, be and kill the narrow unicity weed killer herbicide of grass spectrum, promptly one type weed killer herbicide only has preventive effect to the weeds of a certain kind.Yet actual wheatland growth of weeds kind is many, relates to several sections, and different types of weeds mixed growth constitutes the wheatland crop smothering, makes that using single weed killer herbicide can not reach simultaneously extremely except that the most of weeds of wheatland.A kind of weed killer herbicide of the long-term use of wheatland though suppressed certain class weed growth, makes other have the weeds population of resistance to be able to growth and decline to this medicament; Kill with another kind weed killer herbicide more conversely and remove such weeds, but the weeds that were inhibited are originally stretched the formation vicious circle again.And annual alternatively administered, the pesticide resistance of weeds strengthens, and must be directed at the increase of dosage, has not only increased drug cost, and many weed killer herbicides all have destroying infection to soil and succession crop, easily causes cumulative effect.Secondly, the change of cropping system, the update of weed killer herbicide kind also is directed at changing of ruderal species mass-sending, and all these cause the wheatland crop smothering to increase the weight of.Though the grand weed killer herbicide of some weed killer herbicide such as green sulphur can remove multiple weeds extremely, single, double cotyledon weeds are all produced effect, it is long that this medicament exists in the soil residence time, and easily accumulation, influence succession crop, especially, be easy to generate the defective of poisoning afterwards the stubble paddy rice is dangerous.Along with the increase weeds of service life strengthen the weed killer herbicide pesticide resistance, must strengthen dosage, this is more unfavorable to back stubble rice safety growth.So people expect two kinds or above mixture of herbicides are used with to reduce consumption, increase and kill the grass spectrum, as the Chinese patent 95110931 disclosed Herbicidal combinations of preventing and kill off cornfield gramineae weed and broad leaved weed, form by the chlorsulfuron of 0.6-0.9%, the chlortoluron of 20-22%, the sodium chloride builder of 20-25%, the composite mixing of attapulgite hybrid of 50-60%.But because of this weed killer herbicide remains grand with chlortoluron, green sulphur is Main Ingredients and Appearance, and consumption is many, and the medication optimum period requires high, uses for many years and still can produce cumulative function, and the succession crop paddy rice is easily produced recessive poisoning.Secondly the herbicidal effect of this weed killer herbicide is influenced by the wheatland soil moisture content largely, ground moistening good conditions for soil moisture herbicidal effect is all right, antecedent soil moisture soil moisture content difference herbicidal effect obviously descends, yet southern area of Jiangsu Province autumn sowing medication season is generally based on dry weather, soil moisture content is relatively poor, therefore actual herbicidal effect is undesirable, less stable between year.
Though it is to solve to kill to remove multiple weeds that mixture of herbicides is used with, reduce a kind of effective ways of dosage, yet because weed killer herbicide physico chemical property difference separately, temperature, humidity are reached the environmental suitability difference, therefore screening composite is not a nothing the matter, collocation does not with great difficulty have effective constituent decomposition or lucky anti-effect, and composite the using with also that has can increase cost, the not storage endurance or the like that has, therefore it is low still to lack the few cost of a kind of comparatively ideal dosage at present, uses the Herbicidal combinations that performance can be removed the multiple weeds of wheatland well extremely with.
The objective of the invention is to overcome existing cornfield herbicidal kills careless single, safety is not high, and medication is required high deficiency, a kind of broad weed-killing spectrum that has is provided, highly effective and safe, the lasting period is long, a drug can remove wheatland overwhelming majority weeds extremely, and cost is low, and storage endurance is to soil and the little Herbicidal combinations of succession crop influence.
According to screening, weed killer herbicide of the present invention comprises the tribenuron-methyl (tribenuron) of 55-98% De oxazole diclofop-methyl (fenoxaprop), 2-10% and/or green sulphur swells (chlorsul furon) and/or metsulfuron-methyl (metsulfuron-methl) mixes composite, thereby obtain the Herbicidal combinations of Synergistic broad-spectrum, make a drug, wheatland multiple weeds in vegetative period can be prevented and kill off, and herbicidal effect and drug safety can be increased.The oxazole diclofop-methyl is low excessively, kills careless DeGrain, and preferable dosage is 75-90%.Grand through advance copy invention component tribenuron-methyl, green sulphur, metsulfuron-methyl is best with the tribenuron-methyl effect, the safest especially.For improving drug effect, also can add a certain amount of plant penetrant in the present composition, as the SD of aqua or the SDP of pulvis (Nantong flying apsaras auxiliary chemicals factory produces) consumption with 2-4% for well, consumption increases cost more, the effect of plant penetrant is to impel soup to form " membranaceous " structure of molecular layer on the plant corpus surface, to increase wettability, spread and the permeability of weed killer herbicide soup, improve absorption and the running of plant, thereby improve drug effect weed killer herbicide on the plant corpus surface.For prolonging enduring store property, can also add the weed killer herbicide emulsifier of 3-30% in the Herbicidal combinations of the present invention, the adding of emulsifier makes the fully emulsified homogeneous of weed killer herbicide component, fully mixed minimizing of each component is precipitated, thereby extended the shelf life.
Suo of the present invention is Shuoed oxazole diclofop-methyl (fenoxaprop), chemical name (±)-2-(4-(6-chloro-1,3-benzoxazole 2-base oxygen) phenoxy group) propionic acid; Or (±)-2 (4-(6-Lv benzoxazole-2-base oxygen) phenoxy group) propionic acid, the registration code name is galloping horse 6.9% emulsifiable concentrate in China, molecular formula: C
16H
12ClNO
5, molecular weight 333.7; C
18H
16ClNO
5, molecular weight 361.8 belongs to 2-(4-aryloxy group phenoxy group) propionic acid class weed killer herbicide.Tribenuron-methyl (tribenuron), chemical name 2-(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2 base (methyl) carbamyl amino-sulfonyl) benzoic acid, molecular formula: C
14H
15N
5O
6S, molecular weight 381.4; 2-(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2-base (methyl) carbamyl amino-sulfonyl) benzoic acid (methyl esters), molecular formula: C
16H
17N
5O
6S, molecular weight 395.4.Green sulphur swells (chiorsulfuron), chemical name 1-(2-chlorphenyl sulphonyl)-3-(4-methoxyl group-6-methyl isophthalic acid, 3,5 triazines-2-yl) urea, molecular formula: C
12H
12ClN
5O
4S, molecular weight 357.8.Metsulfuron-methyl (metsulfuron-methyl), 2-(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2-base carbamyl amino-sulfonyl) benzoic acid, molecular formula: C
13H
13N
5O
6S, molecular weight 367.3; 2-(4-methoxyl group-6-methyl isophthalic acid, 3,5-triazine-2-base carbamyl amino-sulfonyl) methyl benzoate, molecular formula: C
14H
15N
5O
6S, molecular weight 381.4 they three kinds can replace mutually or mix use, but wherein the impact of performance is excellent with tribenuron-methyl especially.
Embodiment:
Below being several non-limiting embodiment, is not to concrete qualification of the present invention.
Embodiment proportion compatibility (weight KG)
The green sulphur of galloping horse swells tribenuron-methyl metsulfuron-methyl SD emulsifier 1 90 102 78 7 10 53 77.5 3 1.5 8 104 61 22 10 25
Illustrate: embodiment is in 100KG, and galloping horse effective ingredient is 6.9%, and green sulphur is grand, tribenuron-methyl, metsulfuron-methyl effective ingredient are 25%.
The preparation of weed killer herbicide of the present invention: in proportion that tribenuron-methyl, green sulphur is grand, metsulfuron-methyl pulvis and bleeding agent, stir, and then with galloping horse emulsion, emulsifier stirs, and promptly gets compound herbicide composition.
Chu Cao Ji oxazole diclofop-methyl (fenoxaprop) and tribenuron-methyl (tribenuron) and/or green sulphur grand (chiorsulfuron) and/or composite mixing of metsulfuron-methyl (metsulfuron-methyl), can not only fully reach complementary synergistic effect, and broad weed-killing spectrum, lasting period is long, multiple grassy weed of wheatland and broad leaved weed had desirable preventive effect, a drug can effectively be controlled the wheatland crop smothering in the time of infertility, survival dose reduces than single using again, and obviously is better than other complex weedicide and single weed killer herbicide.So both solved the high shortcoming of the galloping horse mu of single usefulness cost, can avoid waiting long-term single again with in soil, accumulating because of green sulphur is grand, cause soil degradation, influence succession crop, thereby significantly improved safety to crop and soil, reduced weed killer herbicide residual quantity in soil relatively, also can prolong green sulphur and swell the service life of waiting.Weed killer herbicide medication optimum period broad of the present invention, medication condition such as moisture in the soil are not single high with requirements such as green sulphur swell, and the performance of cutting weeds extremely obviously is better than other compounded combination and single drug.Auxilliary be furnished with plant penetrant, weed killer herbicide emulsifier, and effect is more obvious, and can reduce the weed killer herbicide consumption, reduces cost, and prolongs drug effect, reduces residual quantity, safer to working as stubble and second stubble crop.Weed killer herbicide of the present invention especially is fit to area, Yangtze river basin cornfield herbicidal.
Single agent, composite dose, and add bleeding agent preventive effect contrast table (preventive effect %) medicament amur foxtail
The galloping horse 50ml 95.75 70.3 2.29 0 63.98 galloping horse+tribenuron-methyl 99.38 79.35 97.93 100 97.87 galloping horse+tribenuron-methyls+SD 100 87.1 100 100 99.30 of grand 4 gram 92.29 64.51 100 100 93.266.9% of the total preventive effect 25% green sulphur of grass clearvers chickweed
Various medicament drug effect contrasts (preventive effect %)
Behind the medicine behind 60 days medicines 120 days
The total preventive effect of medicament grass family broadleaved herb Japan amur foxtail
The total preventive effect of grass clearvers rice stubble dish broadleaved herb
A 98.36 95.36 97.82 97.23 81.99 100 85.74 100 96.34
B 95.29 4.64 78.89 91.02 75.99 0 3.53 0 78.09
C 90.59 92.58 90.95 88.08 67.94 100 89.28 100 88.23
D 74.43 89.81 77.21 82.38 91.95 100 82.1 66.7 83.52
E 87.32 89.81 87.76 92.22 93.99?94.84 100 100 92.86
Illustrate: A is 7.5% medicament 45ml of the present invention, and B is 6.9% galloping horse soluble oil 50ml, and C is the grand 4g of 25% green sulphur, and D is the grand 2g of the green sulphur of 20% Acetochlor 100g+25%, and E is 25% chlortoluron 300g+25% chlorsulfuron 2g.
Claims (4)
1, a kind of Herbicidal combinations of control of weed in wheat field, it is characterized in that containing 55-98% De oxazole diclofop-methyl (fenoxaprop), 2-10% tribenuron-methyl (tribenuron) and/or green sulphur swell (chlorsulfuron) and/or metsulfuron-methyl (metsulfuron-methl).
2,, it is characterized in that also having in the said composition plant penetrant of 2-10% according to the described Herbicidal combinations of claim 1.
3,, it is characterized in that also having in the said composition weed killer herbicide emulsifier of 3-30% according to claim 1 or 2 described Herbicidal combinations.
4,, it is characterized in that said Zu of compound Zhong oxazole diclofop-methyl dosage is 75-90% according to the described Herbicidal combinations of claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97107211 CN1182535A (en) | 1997-11-21 | 1997-11-21 | Herbicide composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97107211 CN1182535A (en) | 1997-11-21 | 1997-11-21 | Herbicide composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1182535A true CN1182535A (en) | 1998-05-27 |
Family
ID=5169386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97107211 Pending CN1182535A (en) | 1997-11-21 | 1997-11-21 | Herbicide composition |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315383C (en) * | 2001-12-26 | 2007-05-16 | 安徽华星化工股份有限公司 | Herbicide composition for wheat field |
| CN100446669C (en) * | 2005-02-06 | 2008-12-31 | 江苏天容集团股份有限公司 | Herbicide for rape field stem and leaf |
| CN101715778A (en) * | 2009-12-08 | 2010-06-02 | 安徽丰乐农化有限责任公司 | Fenoxaprop.Flucarbazone composite herbicide |
| CN105165876A (en) * | 2013-07-03 | 2015-12-23 | 江苏龙灯化学有限公司 | Synergistic composition for weeding |
| CN105875626A (en) * | 2016-04-13 | 2016-08-24 | 河北省农林科学院植物保护研究所 | Composite herbicide containing tribenuron-methyl and lactofen and application of composite herbicide |
-
1997
- 1997-11-21 CN CN 97107211 patent/CN1182535A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315383C (en) * | 2001-12-26 | 2007-05-16 | 安徽华星化工股份有限公司 | Herbicide composition for wheat field |
| CN100446669C (en) * | 2005-02-06 | 2008-12-31 | 江苏天容集团股份有限公司 | Herbicide for rape field stem and leaf |
| CN101715778A (en) * | 2009-12-08 | 2010-06-02 | 安徽丰乐农化有限责任公司 | Fenoxaprop.Flucarbazone composite herbicide |
| CN105165876A (en) * | 2013-07-03 | 2015-12-23 | 江苏龙灯化学有限公司 | Synergistic composition for weeding |
| CN105165871A (en) * | 2013-07-03 | 2015-12-23 | 江苏龙灯化学有限公司 | Synergistic composition for weeding |
| CN105165876B (en) * | 2013-07-03 | 2018-03-27 | 江苏龙灯化学有限公司 | Synergistic herbicide compositions |
| CN105875626A (en) * | 2016-04-13 | 2016-08-24 | 河北省农林科学院植物保护研究所 | Composite herbicide containing tribenuron-methyl and lactofen and application of composite herbicide |
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